diff --git a/.github/actions/spell-check/expect.txt b/.github/actions/spell-check/expect.txt index 510e9ccc11..6e3f041fba 100644 --- a/.github/actions/spell-check/expect.txt +++ b/.github/actions/spell-check/expect.txt @@ -69,6 +69,7 @@ appwiz APSTUDIO AQS ARandom +Arash ARCHITEW ARemapped ARPINSTALLLOCATION @@ -469,6 +470,7 @@ EXPCMDFLAGS EXPCMDSTATE explr exppowertoys +exprtk exptas exsb exstyle @@ -1150,6 +1152,7 @@ PARTIALCONFIRMATIONDIALOGTITLE PATCOPY PATHMUSTEXIST PATINVERT +partow PATPAINT pbc pbi diff --git a/.pipelines/ESRPSigning_core.json b/.pipelines/ESRPSigning_core.json index 615b5633bf..b0b2a42655 100644 --- a/.pipelines/ESRPSigning_core.json +++ b/.pipelines/ESRPSigning_core.json @@ -3,226 +3,227 @@ "UseMinimatch": false, "SignBatches": [ { - "MatchedPath": [ - "*.resources.dll", - - "WinUI3Apps\\Assets\\Settings\\Scripts\\*.ps1", + "MatchedPath": [ + "*.resources.dll", - "PowerToys.ActionRunner.exe", - "PowerToys.Update.exe", - "PowerToys.BackgroundActivatorDLL.dll", - "Notifications.dll", - "os-detection.dll", - "PowerToys.exe", - "PowerToys.FilePreviewCommon.dll", - "PowerToys.Interop.dll", - "Tools\\PowerToys.BugReportTool.exe", - "StylesReportTool\\PowerToys.StylesReportTool.exe", - "Telemetry.dll", - "PowerToys.ManagedTelemetry.dll", - "PowerToys.ManagedCommon.dll", - "PowerToys.Common.UI.dll", - "PowerToys.Settings.UI.Lib.dll", - "PowerToys.GPOWrapper.dll", - "PowerToys.GPOWrapperProjection.dll", - "PowerToys.AllExperiments.dll", + "WinUI3Apps\\Assets\\Settings\\Scripts\\*.ps1", - "PowerToys.AlwaysOnTop.exe", - "PowerToys.AlwaysOnTopModuleInterface.dll", + "PowerToys.ActionRunner.exe", + "PowerToys.Update.exe", + "PowerToys.BackgroundActivatorDLL.dll", + "Notifications.dll", + "os-detection.dll", + "PowerToys.exe", + "PowerToys.FilePreviewCommon.dll", + "PowerToys.Interop.dll", + "Tools\\PowerToys.BugReportTool.exe", + "StylesReportTool\\PowerToys.StylesReportTool.exe", + "Telemetry.dll", + "CalculatorEngineCommon.dll", + "PowerToys.ManagedTelemetry.dll", + "PowerToys.ManagedCommon.dll", + "PowerToys.Common.UI.dll", + "PowerToys.Settings.UI.Lib.dll", + "PowerToys.GPOWrapper.dll", + "PowerToys.GPOWrapperProjection.dll", + "PowerToys.AllExperiments.dll", - "PowerToys.CmdNotFoundModuleInterface.dll", - "PowerToys.CmdNotFound.dll", + "PowerToys.AlwaysOnTop.exe", + "PowerToys.AlwaysOnTopModuleInterface.dll", - "PowerToys.ColorPicker.dll", - "PowerToys.ColorPickerUI.dll", - "PowerToys.ColorPickerUI.exe", + "PowerToys.CmdNotFoundModuleInterface.dll", + "PowerToys.CmdNotFound.dll", - "PowerToys.CropAndLockModuleInterface.dll", - "PowerToys.CropAndLock.exe", + "PowerToys.ColorPicker.dll", + "PowerToys.ColorPickerUI.dll", + "PowerToys.ColorPickerUI.exe", - "PowerToys.PowerOCRModuleInterface.dll", - "PowerToys.PowerOCR.dll", - "PowerToys.PowerOCR.exe", + "PowerToys.CropAndLockModuleInterface.dll", + "PowerToys.CropAndLock.exe", - "PowerToys.AdvancedPasteModuleInterface.dll", - "WinUI3Apps\\PowerToys.AdvancedPaste.exe", - "WinUI3Apps\\PowerToys.AdvancedPaste.dll", + "PowerToys.PowerOCRModuleInterface.dll", + "PowerToys.PowerOCR.dll", + "PowerToys.PowerOCR.exe", - "PowerToys.AwakeModuleInterface.dll", - "PowerToys.Awake.exe", - "PowerToys.Awake.dll", + "PowerToys.AdvancedPasteModuleInterface.dll", + "WinUI3Apps\\PowerToys.AdvancedPaste.exe", + "WinUI3Apps\\PowerToys.AdvancedPaste.dll", - "fancyzones.dll", - "PowerToys.FancyZonesEditor.exe", - "PowerToys.FancyZonesEditor.dll", - "PowerToys.FancyZonesEditorCommon.dll", - "PowerToys.FancyZonesModuleInterface.dll", - "PowerToys.FancyZones.exe", + "PowerToys.AwakeModuleInterface.dll", + "PowerToys.Awake.exe", + "PowerToys.Awake.dll", - "PowerToys.GcodePreviewHandler.dll", - "PowerToys.GcodePreviewHandler.exe", - "PowerToys.GcodePreviewHandlerCpp.dll", - "PowerToys.GcodeThumbnailProvider.dll", - "PowerToys.GcodeThumbnailProvider.exe", - "PowerToys.GcodeThumbnailProviderCpp.dll", - "PowerToys.ManagedTelemetry.dll", - "PowerToys.MarkdownPreviewHandler.dll", - "PowerToys.MarkdownPreviewHandler.exe", - "PowerToys.MarkdownPreviewHandlerCpp.dll", - "PowerToys.MonacoPreviewHandler.dll", - "PowerToys.MonacoPreviewHandler.exe", - "PowerToys.MonacoPreviewHandlerCpp.dll", - "PowerToys.PdfPreviewHandler.dll", - "PowerToys.PdfPreviewHandler.exe", - "PowerToys.PdfPreviewHandlerCpp.dll", - "PowerToys.PdfThumbnailProvider.dll", - "PowerToys.PdfThumbnailProvider.exe", - "PowerToys.PdfThumbnailProviderCpp.dll", - "PowerToys.powerpreview.dll", - "PowerToys.PreviewHandlerCommon.dll", - "PowerToys.QoiPreviewHandler.dll", - "PowerToys.QoiPreviewHandler.exe", - "PowerToys.QoiPreviewHandlerCpp.dll", - "PowerToys.QoiThumbnailProvider.dll", - "PowerToys.QoiThumbnailProvider.exe", - "PowerToys.QoiThumbnailProviderCpp.dll", - "PowerToys.StlThumbnailProvider.dll", - "PowerToys.StlThumbnailProvider.exe", - "PowerToys.StlThumbnailProviderCpp.dll", - "PowerToys.SvgPreviewHandler.dll", - "PowerToys.SvgPreviewHandler.exe", - "PowerToys.SvgPreviewHandlerCpp.dll", - "PowerToys.SvgThumbnailProvider.dll", - "PowerToys.SvgThumbnailProvider.exe", - "PowerToys.SvgThumbnailProviderCpp.dll", + "fancyzones.dll", + "PowerToys.FancyZonesEditor.exe", + "PowerToys.FancyZonesEditor.dll", + "PowerToys.FancyZonesEditorCommon.dll", + "PowerToys.FancyZonesModuleInterface.dll", + "PowerToys.FancyZones.exe", - "WinUI3Apps\\PowerToys.HostsModuleInterface.dll", - "WinUI3Apps\\PowerToys.HostsUILib.dll", - "WinUI3Apps\\PowerToys.Hosts.dll", - "WinUI3Apps\\PowerToys.Hosts.exe", + "PowerToys.GcodePreviewHandler.dll", + "PowerToys.GcodePreviewHandler.exe", + "PowerToys.GcodePreviewHandlerCpp.dll", + "PowerToys.GcodeThumbnailProvider.dll", + "PowerToys.GcodeThumbnailProvider.exe", + "PowerToys.GcodeThumbnailProviderCpp.dll", + "PowerToys.ManagedTelemetry.dll", + "PowerToys.MarkdownPreviewHandler.dll", + "PowerToys.MarkdownPreviewHandler.exe", + "PowerToys.MarkdownPreviewHandlerCpp.dll", + "PowerToys.MonacoPreviewHandler.dll", + "PowerToys.MonacoPreviewHandler.exe", + "PowerToys.MonacoPreviewHandlerCpp.dll", + "PowerToys.PdfPreviewHandler.dll", + "PowerToys.PdfPreviewHandler.exe", + "PowerToys.PdfPreviewHandlerCpp.dll", + "PowerToys.PdfThumbnailProvider.dll", + "PowerToys.PdfThumbnailProvider.exe", + "PowerToys.PdfThumbnailProviderCpp.dll", + "PowerToys.powerpreview.dll", + "PowerToys.PreviewHandlerCommon.dll", + "PowerToys.QoiPreviewHandler.dll", + "PowerToys.QoiPreviewHandler.exe", + "PowerToys.QoiPreviewHandlerCpp.dll", + "PowerToys.QoiThumbnailProvider.dll", + "PowerToys.QoiThumbnailProvider.exe", + "PowerToys.QoiThumbnailProviderCpp.dll", + "PowerToys.StlThumbnailProvider.dll", + "PowerToys.StlThumbnailProvider.exe", + "PowerToys.StlThumbnailProviderCpp.dll", + "PowerToys.SvgPreviewHandler.dll", + "PowerToys.SvgPreviewHandler.exe", + "PowerToys.SvgPreviewHandlerCpp.dll", + "PowerToys.SvgThumbnailProvider.dll", + "PowerToys.SvgThumbnailProvider.exe", + "PowerToys.SvgThumbnailProviderCpp.dll", - "WinUI3Apps\\PowerToys.FileLocksmithLib.Interop.dll", - "WinUI3Apps\\PowerToys.FileLocksmithExt.dll", - "WinUI3Apps\\PowerToys.FileLocksmithUI.exe", - "WinUI3Apps\\PowerToys.FileLocksmithUI.dll", - "WinUI3Apps\\PowerToys.FileLocksmithContextMenu.dll", - "FileLocksmithContextMenuPackage.msix", + "WinUI3Apps\\PowerToys.HostsModuleInterface.dll", + "WinUI3Apps\\PowerToys.HostsUILib.dll", + "WinUI3Apps\\PowerToys.Hosts.dll", + "WinUI3Apps\\PowerToys.Hosts.exe", - "WinUI3Apps\\Peek.Common.dll", - "WinUI3Apps\\Peek.FilePreviewer.dll", - "WinUI3Apps\\Powertoys.Peek.UI.dll", - "WinUI3Apps\\Powertoys.Peek.UI.exe", - "WinUI3Apps\\Powertoys.Peek.dll", + "WinUI3Apps\\PowerToys.FileLocksmithLib.Interop.dll", + "WinUI3Apps\\PowerToys.FileLocksmithExt.dll", + "WinUI3Apps\\PowerToys.FileLocksmithUI.exe", + "WinUI3Apps\\PowerToys.FileLocksmithUI.dll", + "WinUI3Apps\\PowerToys.FileLocksmithContextMenu.dll", + "FileLocksmithContextMenuPackage.msix", - "WinUI3Apps\\PowerToys.EnvironmentVariablesModuleInterface.dll", - "WinUI3Apps\\PowerToys.EnvironmentVariablesUILib.dll", - "WinUI3Apps\\PowerToys.EnvironmentVariables.dll", - "WinUI3Apps\\PowerToys.EnvironmentVariables.exe", + "WinUI3Apps\\Peek.Common.dll", + "WinUI3Apps\\Peek.FilePreviewer.dll", + "WinUI3Apps\\Powertoys.Peek.UI.dll", + "WinUI3Apps\\Powertoys.Peek.UI.exe", + "WinUI3Apps\\Powertoys.Peek.dll", - "PowerToys.ImageResizer.exe", - "PowerToys.ImageResizer.dll", - "PowerToys.ImageResizerExt.dll", - "PowerToys.ImageResizerContextMenu.dll", - "ImageResizerContextMenuPackage.msix", + "WinUI3Apps\\PowerToys.EnvironmentVariablesModuleInterface.dll", + "WinUI3Apps\\PowerToys.EnvironmentVariablesUILib.dll", + "WinUI3Apps\\PowerToys.EnvironmentVariables.dll", + "WinUI3Apps\\PowerToys.EnvironmentVariables.exe", - "PowerToys.KeyboardManager.dll", - "KeyboardManagerEditor\\PowerToys.KeyboardManagerEditor.exe", - "KeyboardManagerEngine\\PowerToys.KeyboardManagerEngine.exe", - "PowerToys.KeyboardManagerEditorLibraryWrapper.dll", + "PowerToys.ImageResizer.exe", + "PowerToys.ImageResizer.dll", + "PowerToys.ImageResizerExt.dll", + "PowerToys.ImageResizerContextMenu.dll", + "ImageResizerContextMenuPackage.msix", - "PowerToys.Launcher.dll", - "PowerToys.PowerLauncher.dll", - "PowerToys.PowerLauncher.exe", - "PowerToys.PowerLauncher.Telemetry.dll", - "Wox.dll", - "Wox.Infrastructure.dll", - "Wox.Plugin.dll", - "RunPlugins\\Calculator\\Microsoft.PowerToys.Run.Plugin.Calculator.dll", - "RunPlugins\\Folder\\Microsoft.Plugin.Folder.dll", - "RunPlugins\\Indexer\\Microsoft.Plugin.Indexer.dll", - "RunPlugins\\OneNote\\Microsoft.PowerToys.Run.Plugin.OneNote.dll", - "RunPlugins\\History\\Microsoft.PowerToys.Run.Plugin.History.dll", - "RunPlugins\\PowerToys\\Microsoft.PowerToys.Run.Plugin.PowerToys.dll", - "RunPlugins\\Program\\Microsoft.Plugin.Program.dll", - "RunPlugins\\Registry\\Microsoft.PowerToys.Run.Plugin.Registry.dll", - "RunPlugins\\WindowsSettings\\Microsoft.PowerToys.Run.Plugin.WindowsSettings.dll", - "RunPlugins\\Shell\\Microsoft.Plugin.Shell.dll", - "RunPlugins\\Uri\\Microsoft.Plugin.Uri.dll", - "RunPlugins\\WindowWalker\\Microsoft.Plugin.WindowWalker.dll", - "RunPlugins\\UnitConverter\\Community.PowerToys.Run.Plugin.UnitConverter.dll", - "RunPlugins\\VSCodeWorkspaces\\Community.PowerToys.Run.Plugin.VSCodeWorkspaces.dll", - "RunPlugins\\Service\\Microsoft.PowerToys.Run.Plugin.Service.dll", - "RunPlugins\\System\\Microsoft.PowerToys.Run.Plugin.System.dll", - "RunPlugins\\TimeDate\\Microsoft.PowerToys.Run.Plugin.TimeDate.dll", - "RunPlugins\\ValueGenerator\\Community.PowerToys.Run.Plugin.ValueGenerator.dll", - "RunPlugins\\WebSearch\\Community.PowerToys.Run.Plugin.WebSearch.dll", - "RunPlugins\\WindowsTerminal\\Microsoft.PowerToys.Run.Plugin.WindowsTerminal.dll", - - "WinUI3Apps\\PowerToys.MeasureToolModuleInterface.dll", - "WinUI3Apps\\PowerToys.MeasureToolCore.dll", - "WinUI3Apps\\PowerToys.MeasureToolUI.dll", - "WinUI3Apps\\PowerToys.MeasureToolUI.exe", + "PowerToys.KeyboardManager.dll", + "KeyboardManagerEditor\\PowerToys.KeyboardManagerEditor.exe", + "KeyboardManagerEngine\\PowerToys.KeyboardManagerEngine.exe", + "PowerToys.KeyboardManagerEditorLibraryWrapper.dll", - "PowerToys.FindMyMouse.dll", - "PowerToys.MouseHighlighter.dll", - "PowerToys.MouseJump.dll", - "PowerToys.MouseJump.Common.dll", - "PowerToys.MousePointerCrosshairs.dll", - "PowerToys.MouseJumpUI.dll", - "PowerToys.MouseJumpUI.exe", + "PowerToys.Launcher.dll", + "PowerToys.PowerLauncher.dll", + "PowerToys.PowerLauncher.exe", + "PowerToys.PowerLauncher.Telemetry.dll", + "Wox.dll", + "Wox.Infrastructure.dll", + "Wox.Plugin.dll", + "RunPlugins\\Calculator\\Microsoft.PowerToys.Run.Plugin.Calculator.dll", + "RunPlugins\\Folder\\Microsoft.Plugin.Folder.dll", + "RunPlugins\\Indexer\\Microsoft.Plugin.Indexer.dll", + "RunPlugins\\OneNote\\Microsoft.PowerToys.Run.Plugin.OneNote.dll", + "RunPlugins\\History\\Microsoft.PowerToys.Run.Plugin.History.dll", + "RunPlugins\\PowerToys\\Microsoft.PowerToys.Run.Plugin.PowerToys.dll", + "RunPlugins\\Program\\Microsoft.Plugin.Program.dll", + "RunPlugins\\Registry\\Microsoft.PowerToys.Run.Plugin.Registry.dll", + "RunPlugins\\WindowsSettings\\Microsoft.PowerToys.Run.Plugin.WindowsSettings.dll", + "RunPlugins\\Shell\\Microsoft.Plugin.Shell.dll", + "RunPlugins\\Uri\\Microsoft.Plugin.Uri.dll", + "RunPlugins\\WindowWalker\\Microsoft.Plugin.WindowWalker.dll", + "RunPlugins\\UnitConverter\\Community.PowerToys.Run.Plugin.UnitConverter.dll", + "RunPlugins\\VSCodeWorkspaces\\Community.PowerToys.Run.Plugin.VSCodeWorkspaces.dll", + "RunPlugins\\Service\\Microsoft.PowerToys.Run.Plugin.Service.dll", + "RunPlugins\\System\\Microsoft.PowerToys.Run.Plugin.System.dll", + "RunPlugins\\TimeDate\\Microsoft.PowerToys.Run.Plugin.TimeDate.dll", + "RunPlugins\\ValueGenerator\\Community.PowerToys.Run.Plugin.ValueGenerator.dll", + "RunPlugins\\WebSearch\\Community.PowerToys.Run.Plugin.WebSearch.dll", + "RunPlugins\\WindowsTerminal\\Microsoft.PowerToys.Run.Plugin.WindowsTerminal.dll", - "PowerToys.MouseWithoutBorders.dll", - "PowerToys.MouseWithoutBorders.exe", - "PowerToys.MouseWithoutBordersModuleInterface.dll", - "PowerToys.MouseWithoutBordersService.dll", - "PowerToys.MouseWithoutBordersService.exe", - "PowerToys.MouseWithoutBordersHelper.dll", - "PowerToys.MouseWithoutBordersHelper.exe", + "WinUI3Apps\\PowerToys.MeasureToolModuleInterface.dll", + "WinUI3Apps\\PowerToys.MeasureToolCore.dll", + "WinUI3Apps\\PowerToys.MeasureToolUI.dll", + "WinUI3Apps\\PowerToys.MeasureToolUI.exe", - "WinUI3Apps\\PowerToys.NewPlus.ShellExtension.dll", - "WinUI3Apps\\NewPlusPackage.msix", - "WinUI3Apps\\PowerToys.NewPlus.ShellExtension.win10.dll", + "PowerToys.FindMyMouse.dll", + "PowerToys.MouseHighlighter.dll", + "PowerToys.MouseJump.dll", + "PowerToys.MouseJump.Common.dll", + "PowerToys.MousePointerCrosshairs.dll", + "PowerToys.MouseJumpUI.dll", + "PowerToys.MouseJumpUI.exe", - "PowerAccent.Core.dll", - "PowerToys.PowerAccent.dll", - "PowerToys.PowerAccent.exe", - "PowerToys.PowerAccentModuleInterface.dll", - "PowerToys.PowerAccentKeyboardService.dll", + "PowerToys.MouseWithoutBorders.dll", + "PowerToys.MouseWithoutBorders.exe", + "PowerToys.MouseWithoutBordersModuleInterface.dll", + "PowerToys.MouseWithoutBordersService.dll", + "PowerToys.MouseWithoutBordersService.exe", + "PowerToys.MouseWithoutBordersHelper.dll", + "PowerToys.MouseWithoutBordersHelper.exe", - "WinUI3Apps\\PowerToys.PowerRenameExt.dll", - "WinUI3Apps\\PowerToys.PowerRename.exe", - "WinUI3Apps\\PowerToys.PowerRenameContextMenu.dll", - "WinUI3Apps\\PowerRenameContextMenuPackage.msix", + "WinUI3Apps\\PowerToys.NewPlus.ShellExtension.dll", + "WinUI3Apps\\NewPlusPackage.msix", + "WinUI3Apps\\PowerToys.NewPlus.ShellExtension.win10.dll", - "PowerToys.WorkspacesSnapshotTool.exe", - "PowerToys.WorkspacesLauncher.exe", - "PowerToys.WorkspacesWindowArranger.exe", - "PowerToys.WorkspacesEditor.exe", - "PowerToys.WorkspacesEditor.dll", - "PowerToys.WorkspacesLauncherUI.exe", - "PowerToys.WorkspacesLauncherUI.dll", - "PowerToys.WorkspacesModuleInterface.dll", - "PowerToys.WorkspacesCsharpLibrary.dll", + "PowerAccent.Core.dll", + "PowerToys.PowerAccent.dll", + "PowerToys.PowerAccent.exe", + "PowerToys.PowerAccentModuleInterface.dll", + "PowerToys.PowerAccentKeyboardService.dll", - "WinUI3Apps\\PowerToys.RegistryPreviewExt.dll", - "WinUI3Apps\\PowerToys.RegistryPreviewUILib.dll", - "WinUI3Apps\\PowerToys.RegistryPreview.dll", - "WinUI3Apps\\PowerToys.RegistryPreview.exe", + "WinUI3Apps\\PowerToys.PowerRenameExt.dll", + "WinUI3Apps\\PowerToys.PowerRename.exe", + "WinUI3Apps\\PowerToys.PowerRenameContextMenu.dll", + "WinUI3Apps\\PowerRenameContextMenuPackage.msix", - "PowerToys.ShortcutGuide.exe", - "PowerToys.ShortcutGuideModuleInterface.dll", + "PowerToys.WorkspacesSnapshotTool.exe", + "PowerToys.WorkspacesLauncher.exe", + "PowerToys.WorkspacesWindowArranger.exe", + "PowerToys.WorkspacesEditor.exe", + "PowerToys.WorkspacesEditor.dll", + "PowerToys.WorkspacesLauncherUI.exe", + "PowerToys.WorkspacesLauncherUI.dll", + "PowerToys.WorkspacesModuleInterface.dll", + "PowerToys.WorkspacesCsharpLibrary.dll", - "PowerToys.ZoomIt.exe", - "PowerToys.ZoomItModuleInterface.dll", - "PowerToys.ZoomItSettingsInterop.dll", + "WinUI3Apps\\PowerToys.RegistryPreviewExt.dll", + "WinUI3Apps\\PowerToys.RegistryPreviewUILib.dll", + "WinUI3Apps\\PowerToys.RegistryPreview.dll", + "WinUI3Apps\\PowerToys.RegistryPreview.exe", - "WinUI3Apps\\PowerToys.Settings.dll", - "WinUI3Apps\\PowerToys.Settings.exe", + "PowerToys.ShortcutGuide.exe", + "PowerToys.ShortcutGuideModuleInterface.dll", - "PowerToys.CmdPalModuleInterface.dll", - "CmdPalKeyboardService.dll", - "*Microsoft.CmdPal.UI_*.msix" - ], + "PowerToys.ZoomIt.exe", + "PowerToys.ZoomItModuleInterface.dll", + "PowerToys.ZoomItSettingsInterop.dll", + + "WinUI3Apps\\PowerToys.Settings.dll", + "WinUI3Apps\\PowerToys.Settings.exe", + + "PowerToys.CmdPalModuleInterface.dll", + "CmdPalKeyboardService.dll", + "*Microsoft.CmdPal.UI_*.msix" + ], "SigningInfo": { "Operations": [ { diff --git a/NOTICE.md b/NOTICE.md index fb2450b66a..2b94d67a4b 100644 --- a/NOTICE.md +++ b/NOTICE.md @@ -79,6 +79,43 @@ For more information, please refer to ### Calculator +#### exprtk + +We use the exprtk library (exprtk.hpp) to evaluate mathematical expressions. + +**Source**: [https://github.com/ArashPartow/exprtk](https://github.com/ArashPartow/exprtk) + +``` +MIT License + +Copyright (c) 1999-2024 Arash Partow + +https://www.partow.net/programming/exprtk/index.html + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +``` + +## Utility: PowerToys Run Built-in Extensions + +### Calculator + #### Mages We use the Mages NuGet package for calculating the result of expression. diff --git a/PowerToys.sln b/PowerToys.sln index fdf0be72f8..f58aa7c077 100644 --- a/PowerToys.sln +++ b/PowerToys.sln @@ -717,6 +717,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CmdPalKeyboardService", "sr EndProject Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PowerRename.FuzzingTest", "src\modules\powerrename\PowerRename.FuzzingTest\PowerRename.FuzzingTest.vcxproj", "{2694E2FB-DCD5-4BFF-A418-B6C3C7CE3B8E}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "CalculatorEngineCommon", "src\common\CalculatorEngineCommon\CalculatorEngineCommon.vcxproj", "{2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|ARM64 = Debug|ARM64 @@ -2619,6 +2621,14 @@ Global {2694E2FB-DCD5-4BFF-A418-B6C3C7CE3B8E}.Release|ARM64.ActiveCfg = Release|ARM64 {2694E2FB-DCD5-4BFF-A418-B6C3C7CE3B8E}.Release|x64.ActiveCfg = Release|x64 {2694E2FB-DCD5-4BFF-A418-B6C3C7CE3B8E}.Release|x64.Build.0 = Release|x64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Debug|ARM64.ActiveCfg = Debug|ARM64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Debug|ARM64.Build.0 = Debug|ARM64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Debug|x64.ActiveCfg = Debug|x64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Debug|x64.Build.0 = Debug|x64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Release|ARM64.ActiveCfg = Release|ARM64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Release|ARM64.Build.0 = Release|ARM64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Release|x64.ActiveCfg = Release|x64 + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6}.Release|x64.Build.0 = Release|x64 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE @@ -2893,6 +2903,7 @@ Global {0217E86E-3476-9946-DE8E-9D200CEBD47A} = {D1D6BC88-09AE-4FB4-AD24-5DED46A791DD} {5F63C743-F6CE-4DBA-A200-2B3F8A14E8C2} = {3846508C-77EB-4034-A702-F8BB263C4F79} {2694E2FB-DCD5-4BFF-A418-B6C3C7CE3B8E} = {89E20BCE-EB9C-46C8-8B50-E01A82E6FDC3} + {2CF78CF7-8FEB-4BE1-9591-55FA25B48FC6} = {1AFB6476-670D-4E80-A464-657E01DFF482} EndGlobalSection GlobalSection(ExtensibilityGlobals) = postSolution SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0} diff --git a/src/common/CalculatorEngineCommon/Calculator.cpp b/src/common/CalculatorEngineCommon/Calculator.cpp new file mode 100644 index 0000000000..0d96945560 --- /dev/null +++ b/src/common/CalculatorEngineCommon/Calculator.cpp @@ -0,0 +1,24 @@ +#include "pch.h" +#include "Calculator.h" +#include "Calculator.g.cpp" +#include "ExprtkEvaluator.h" + +namespace winrt::CalculatorEngineCommon::implementation +{ + Calculator::Calculator(winrt::Windows::Foundation::Collections::IPropertySet const& constants) + { + for (auto const& pair : constants) + { + auto key = pair.Key(); + auto value = winrt::unbox_value(pair.Value()); + m_constants.emplace(winrt::to_string(key), value); + } + } + + hstring Calculator::EvaluateExpression(hstring const& expression) + { + auto result = ExprtkCalculator::internal::EvaluateExpression(winrt::to_string(expression), m_constants); + + return hstring(result); + } +} diff --git a/src/common/CalculatorEngineCommon/Calculator.h b/src/common/CalculatorEngineCommon/Calculator.h new file mode 100644 index 0000000000..abf2a4ec0d --- /dev/null +++ b/src/common/CalculatorEngineCommon/Calculator.h @@ -0,0 +1,25 @@ +#pragma once + +#include "Calculator.g.h" + +namespace winrt::CalculatorEngineCommon::implementation +{ + struct Calculator : CalculatorT + { + Calculator() = default; + + Calculator(winrt::Windows::Foundation::Collections::IPropertySet const& constants); + + winrt::hstring EvaluateExpression(winrt::hstring const& expression); + + private: + std::unordered_map m_constants; + }; +} + +namespace winrt::CalculatorEngineCommon::factory_implementation +{ + struct Calculator : CalculatorT + { + }; +} diff --git a/src/common/CalculatorEngineCommon/Calculator.idl b/src/common/CalculatorEngineCommon/Calculator.idl new file mode 100644 index 0000000000..241a517a7d --- /dev/null +++ b/src/common/CalculatorEngineCommon/Calculator.idl @@ -0,0 +1,10 @@ +namespace CalculatorEngineCommon +{ + [default_interface] + runtimeclass Calculator + { + Calculator(); + Calculator(Windows.Foundation.Collections.IPropertySet constants); + String EvaluateExpression(String expression); + } +} diff --git a/src/common/CalculatorEngineCommon/CalculatorEngineCommon.def b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.def new file mode 100644 index 0000000000..24e7c1235c --- /dev/null +++ b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.def @@ -0,0 +1,3 @@ +EXPORTS +DllCanUnloadNow = WINRT_CanUnloadNow PRIVATE +DllGetActivationFactory = WINRT_GetActivationFactory PRIVATE diff --git a/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj new file mode 100644 index 0000000000..ddc4a970bc --- /dev/null +++ b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj @@ -0,0 +1,181 @@ + + + + + true + true + {2cf78cf7-8feb-4be1-9591-55fa25b48fc6} + CalculatorEngineCommon + CalculatorEngineCommon + false + + + + true + false + + + + + true + true + en-US + 17.0 + 10.0 + + + true + true + true + Windows Store + false + + + + + <_VC_Target_Library_Platform>Desktop + <_NoWinAPIFamilyApp>true + + + + + DynamicLibrary + v143 + Unicode + false + + + true + true + + + false + true + false + + + + + + + + + + + + + + CalculatorEngineCommon + ..\..\..\$(Platform)\$(Configuration)\ + + + + $(IntDir)pch.pch + Level4 + %(AdditionalOptions) /bigobj + _WINRT_DLL;WINRT_LEAN_AND_MEAN;%(PreprocessorDefinitions) + ../../..;%(AdditionalIncludeDirectories) + $(WindowsSDK_WindowsMetadata);$(AdditionalUsingDirectories) + + + Console + false + CalculatorEngineCommon.def + Shell32.lib;user32.lib;%(AdditionalDependencies) + + + + + _DEBUG;%(PreprocessorDefinitions) + + + + + NDEBUG;%(PreprocessorDefinitions) + + + true + true + + + + + + + + Calculator.idl + + + + + NotUsing + + + Create + + + Calculator.idl + + + + + + + + + + + + + + + + + + + + + This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}. + + + + + + + + + + MultiThreadedDebug + stdcpp17 + + + + %(IgnoreSpecificDefaultLibraries);libucrtd.lib + %(AdditionalOptions) /defaultlib:ucrtd.lib + + + + + + MultiThreaded + + + + %(IgnoreSpecificDefaultLibraries);libucrt.lib + %(AdditionalOptions) /defaultlib:ucrt.lib + + + + \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj.filters b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj.filters new file mode 100644 index 0000000000..6b84b33112 --- /dev/null +++ b/src/common/CalculatorEngineCommon/CalculatorEngineCommon.vcxproj.filters @@ -0,0 +1,29 @@ + + + + + accd3aa8-1ba0-4223-9bbe-0c431709210b + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tga;tiff;tif;png;wav;mfcribbon-ms + + + {926ab91d-31b4-48c3-b9a4-e681349f27f0} + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/ExprtkEvaluator.cpp b/src/common/CalculatorEngineCommon/ExprtkEvaluator.cpp new file mode 100644 index 0000000000..dbc2120b24 --- /dev/null +++ b/src/common/CalculatorEngineCommon/ExprtkEvaluator.cpp @@ -0,0 +1,50 @@ +#include "ExprtkEvaluator.h" +#include "exprtk.hpp" +#include +#include +#include + +namespace ExprtkCalculator::internal +{ + + std::wstring ToWStringFullPrecision(double value) + { + std::wostringstream oss; + oss << std::fixed << std::setprecision(15) << value; + return oss.str(); + } + + std::wstring EvaluateExpression( + const std::string& expressionText, + const std::unordered_map& constants) + { + exprtk::symbol_table symbol_table; + + for (auto const& [name, value] : constants) + { + symbol_table.add_constant(name, value); + } + + exprtk::expression expression; + expression.register_symbol_table(symbol_table); + + exprtk::parser parser; + + // Enable all base functions and arithmetic operators + parser.settings().enable_all_base_functions(); // Enable all base functions like sin, cos, log, etc. + parser.settings().enable_all_arithmetic_ops(); // Enable all arithmetic operators like +, -, *, /, etc. + + // Disable all control structures and assignment operators to ensure only expressions are evaluated + parser.settings().disable_all_control_structures(); // Disable control structures like if, for, while, etc. + parser.settings().disable_all_assignment_ops(); // Disable assignment operators like =, +=, -=, etc. + + // Disabled for now, but can be enabled later for enhanced functionality + parser.settings().disable_all_logic_ops(); // Disable logical operators like &&, ||, !, etc. + parser.settings().disable_all_inequality_ops(); // Disable inequality operators like <, >, <=, >=, !=, etc. + + if (!parser.compile(expressionText, expression)) + return L"NaN"; + + return ToWStringFullPrecision(expression.value()); + } +} \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/ExprtkEvaluator.h b/src/common/CalculatorEngineCommon/ExprtkEvaluator.h new file mode 100644 index 0000000000..bd09774b96 --- /dev/null +++ b/src/common/CalculatorEngineCommon/ExprtkEvaluator.h @@ -0,0 +1,10 @@ +#pragma once +#include +#include + +namespace ExprtkCalculator::internal +{ + std::wstring EvaluateExpression( + const std::string& expression, + const std::unordered_map& constants); +} \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/PropertySheet.props b/src/common/CalculatorEngineCommon/PropertySheet.props new file mode 100644 index 0000000000..e34141b019 --- /dev/null +++ b/src/common/CalculatorEngineCommon/PropertySheet.props @@ -0,0 +1,16 @@ + + + + + + + + \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/exprtk.hpp b/src/common/CalculatorEngineCommon/exprtk.hpp new file mode 100644 index 0000000000..6ad76542f4 --- /dev/null +++ b/src/common/CalculatorEngineCommon/exprtk.hpp @@ -0,0 +1,46251 @@ +/* + ****************************************************************** + * C++ Mathematical Expression Toolkit Library * + * * + * Author: Arash Partow (1999-2024) * + * URL: https://www.partow.net/programming/exprtk/index.html * + * * + * Copyright notice: * + * Free use of the C++ Mathematical Expression Toolkit Library is * + * permitted under the guidelines and in accordance with the most * + * current version of the MIT License. * + * https://www.opensource.org/licenses/MIT * + * SPDX-License-Identifier: MIT * + * * + * Example expressions: * + * (00) (y + x / y) * (x - y / x) * + * (01) (x^2 / sin(2 * pi / y)) - x / 2 * + * (02) sqrt(1 - (x^2)) * + * (03) 1 - sin(2 * x) + cos(pi / y) * + * (04) a * exp(2 * t) + c * + * (05) if(((x + 2) == 3) and ((y + 5) <= 9), 1 + w, 2 / z) * + * (06) (avg(x,y) <= x + y ? x - y : x * y) + 2 * pi / x * + * (07) z := x + sin(2 * pi / y) * + * (08) u := 2 * (pi * z) / (w := x + cos(y / pi)) * + * (09) clamp(-1, sin(2 * pi * x) + cos(y / 2 * pi), +1) * + * (10) inrange(-2, m, +2) == if(({-2 <= m} and [m <= +2]), 1, 0) * + * (11) (2sin(x)cos(2y)7 + 1) == (2 * sin(x) * cos(2*y) * 7 + 1) * + * (12) (x ilike 's*ri?g') and [y < (3 z^7 + w)] * + * * + ****************************************************************** +*/ + +#pragma system_header + +#ifndef INCLUDE_EXPRTK_HPP +#define INCLUDE_EXPRTK_HPP + + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +namespace exprtk +{ + #ifdef exprtk_enable_debugging + #define exprtk_debug(params) printf params + #else + #define exprtk_debug(params) (void)0 + #endif + + #define exprtk_error_location \ + "exprtk.hpp:" + details::to_str(__LINE__) \ + + #if __cplusplus >= 201103L + #define exprtk_override override + #define exprtk_final final + #define exprtk_delete = delete + #else + #define exprtk_override + #define exprtk_final + #define exprtk_delete + #endif + + #if __cplusplus >= 201603L + #define exprtk_fallthrough [[fallthrough]]; + #elif (__cplusplus >= 201103L) && (defined(__GNUC__) && !defined(__clang__)) + #define exprtk_fallthrough [[gnu::fallthrough]]; + #else + #ifndef _MSC_VER + #define exprtk_fallthrough __attribute__ ((fallthrough)); + #else + #define exprtk_fallthrough + #endif + #endif + + namespace details + { + typedef char char_t; + typedef char_t* char_ptr; + typedef char_t const* char_cptr; + typedef unsigned char uchar_t; + typedef uchar_t* uchar_ptr; + typedef uchar_t const* uchar_cptr; + typedef unsigned long long int _uint64_t; + typedef long long int _int64_t; + + inline bool is_whitespace(const char_t c) + { + return (' ' == c) || ('\n' == c) || + ('\r' == c) || ('\t' == c) || + ('\b' == c) || ('\v' == c) || + ('\f' == c) ; + } + + inline bool is_operator_char(const char_t c) + { + return ('+' == c) || ('-' == c) || + ('*' == c) || ('/' == c) || + ('^' == c) || ('<' == c) || + ('>' == c) || ('=' == c) || + (',' == c) || ('!' == c) || + ('(' == c) || (')' == c) || + ('[' == c) || (']' == c) || + ('{' == c) || ('}' == c) || + ('%' == c) || (':' == c) || + ('?' == c) || ('&' == c) || + ('|' == c) || (';' == c) ; + } + + inline bool is_letter(const char_t c) + { + return (('a' <= c) && (c <= 'z')) || + (('A' <= c) && (c <= 'Z')) ; + } + + inline bool is_digit(const char_t c) + { + return ('0' <= c) && (c <= '9'); + } + + inline bool is_letter_or_digit(const char_t c) + { + return is_letter(c) || is_digit(c); + } + + inline bool is_left_bracket(const char_t c) + { + return ('(' == c) || ('[' == c) || ('{' == c); + } + + inline bool is_right_bracket(const char_t c) + { + return (')' == c) || (']' == c) || ('}' == c); + } + + inline bool is_bracket(const char_t c) + { + return is_left_bracket(c) || is_right_bracket(c); + } + + inline bool is_sign(const char_t c) + { + return ('+' == c) || ('-' == c); + } + + inline bool is_invalid(const char_t c) + { + return !is_whitespace (c) && + !is_operator_char(c) && + !is_letter (c) && + !is_digit (c) && + ('.' != c) && + ('_' != c) && + ('$' != c) && + ('~' != c) && + ('\'' != c); + } + + inline bool is_valid_string_char(const char_t c) + { + return std::isprint(static_cast(c)) || + is_whitespace(c); + } + + #ifndef exprtk_disable_caseinsensitivity + inline void case_normalise(std::string& s) + { + for (std::size_t i = 0; i < s.size(); ++i) + { + s[i] = static_cast(std::tolower(s[i])); + } + } + + inline bool imatch(const char_t c1, const char_t c2) + { + return std::tolower(c1) == std::tolower(c2); + } + + inline bool imatch(const std::string& s1, const std::string& s2) + { + if (s1.size() == s2.size()) + { + for (std::size_t i = 0; i < s1.size(); ++i) + { + if (std::tolower(s1[i]) != std::tolower(s2[i])) + { + return false; + } + } + + return true; + } + + return false; + } + + struct ilesscompare + { + inline bool operator() (const std::string& s1, const std::string& s2) const + { + const std::size_t length = std::min(s1.size(),s2.size()); + + for (std::size_t i = 0; i < length; ++i) + { + const char_t c1 = static_cast(std::tolower(s1[i])); + const char_t c2 = static_cast(std::tolower(s2[i])); + + if (c1 < c2) + return true; + else if (c2 < c1) + return false; + } + + return s1.size() < s2.size(); + } + }; + + #else + inline void case_normalise(std::string&) + {} + + inline bool imatch(const char_t c1, const char_t c2) + { + return c1 == c2; + } + + inline bool imatch(const std::string& s1, const std::string& s2) + { + return s1 == s2; + } + + struct ilesscompare + { + inline bool operator() (const std::string& s1, const std::string& s2) const + { + return s1 < s2; + } + }; + #endif + + inline bool is_valid_sf_symbol(const std::string& symbol) + { + // Special function: $f12 or $F34 + return (4 == symbol.size()) && + ('$' == symbol[0]) && + imatch('f',symbol[1]) && + is_digit(symbol[2]) && + is_digit(symbol[3]); + } + + inline const char_t& front(const std::string& s) + { + return s[0]; + } + + inline const char_t& back(const std::string& s) + { + return s[s.size() - 1]; + } + + template + inline std::string to_str_impl(SignedType i) + { + if (0 == i) + return std::string("0"); + + std::string result; + + const int sign = (i < 0) ? -1 : 1; + + for ( ; i; i /= 10) + { + result += '0' + static_cast(sign * (i % 10)); + } + + if (sign < 0) + { + result += '-'; + } + + std::reverse(result.begin(), result.end()); + + return result; + } + + inline std::string to_str(int i) + { + return to_str_impl(i); + } + + inline std::string to_str(std::size_t i) + { + return to_str_impl(static_cast(i)); + } + + inline bool is_hex_digit(const uchar_t digit) + { + return (('0' <= digit) && (digit <= '9')) || + (('A' <= digit) && (digit <= 'F')) || + (('a' <= digit) && (digit <= 'f')) ; + } + + inline uchar_t hex_to_bin(uchar_t h) + { + if (('0' <= h) && (h <= '9')) + return (h - '0'); + else + return static_cast(std::toupper(h) - 'A' + 10); + } + + template + inline bool parse_hex(Iterator& itr, Iterator end, + char_t& result) + { + if ( + (end == (itr )) || + (end == (itr + 1)) || + (end == (itr + 2)) || + (end == (itr + 3)) || + ('0' != *(itr )) || + ('X' != std::toupper(*(itr + 1))) || + (!is_hex_digit(*(itr + 2))) || + (!is_hex_digit(*(itr + 3))) + ) + { + return false; + } + + result = hex_to_bin(static_cast(*(itr + 2))) << 4 | + hex_to_bin(static_cast(*(itr + 3))) ; + + return true; + } + + inline bool cleanup_escapes(std::string& s) + { + typedef std::string::iterator str_itr_t; + + str_itr_t itr1 = s.begin(); + str_itr_t itr2 = s.begin(); + str_itr_t end = s.end (); + + std::size_t removal_count = 0; + + while (end != itr1) + { + if ('\\' == (*itr1)) + { + if (end == ++itr1) + { + return false; + } + else if (parse_hex(itr1, end, *itr2)) + { + itr1 += 4; + itr2 += 1; + removal_count += 4; + } + else if ('a' == (*itr1)) { (*itr2++) = '\a'; ++itr1; ++removal_count; } + else if ('b' == (*itr1)) { (*itr2++) = '\b'; ++itr1; ++removal_count; } + else if ('f' == (*itr1)) { (*itr2++) = '\f'; ++itr1; ++removal_count; } + else if ('n' == (*itr1)) { (*itr2++) = '\n'; ++itr1; ++removal_count; } + else if ('r' == (*itr1)) { (*itr2++) = '\r'; ++itr1; ++removal_count; } + else if ('t' == (*itr1)) { (*itr2++) = '\t'; ++itr1; ++removal_count; } + else if ('v' == (*itr1)) { (*itr2++) = '\v'; ++itr1; ++removal_count; } + else if ('0' == (*itr1)) { (*itr2++) = '\0'; ++itr1; ++removal_count; } + else + { + (*itr2++) = (*itr1++); + ++removal_count; + } + + continue; + } + else + (*itr2++) = (*itr1++); + } + + if ((removal_count > s.size()) || (0 == removal_count)) + return false; + + s.resize(s.size() - removal_count); + + return true; + } + + class build_string + { + public: + + explicit build_string(const std::size_t& initial_size = 64) + { + data_.reserve(initial_size); + } + + inline build_string& operator << (const std::string& s) + { + data_ += s; + return (*this); + } + + inline build_string& operator << (char_cptr s) + { + data_ += std::string(s); + return (*this); + } + + inline operator std::string () const + { + return data_; + } + + inline std::string as_string() const + { + return data_; + } + + private: + + std::string data_; + }; + + static const std::string reserved_words[] = + { + "assert", "break", "case", "continue", "const", "default", + "false", "for", "if", "else", "ilike", "in", "like", "and", + "nand", "nor", "not", "null", "or", "repeat", "return", + "shl", "shr", "swap", "switch", "true", "until", "var", + "while", "xnor", "xor", "&", "|" + }; + + static const std::size_t reserved_words_size = sizeof(reserved_words) / sizeof(std::string); + + static const std::string reserved_symbols[] = + { + "abs", "acos", "acosh", "and", "asin", "asinh", "assert", + "atan", "atanh", "atan2", "avg", "break", "case", "ceil", + "clamp", "continue", "const", "cos", "cosh", "cot", "csc", + "default", "deg2grad", "deg2rad", "equal", "erf", "erfc", + "exp", "expm1", "false", "floor", "for", "frac", "grad2deg", + "hypot", "iclamp", "if", "else", "ilike", "in", "inrange", + "like", "log", "log10", "log2", "logn", "log1p", "mand", + "max", "min", "mod", "mor", "mul", "ncdf", "nand", "nor", + "not", "not_equal", "null", "or", "pow", "rad2deg", + "repeat", "return", "root", "round", "roundn", "sec", "sgn", + "shl", "shr", "sin", "sinc", "sinh", "sqrt", "sum", "swap", + "switch", "tan", "tanh", "true", "trunc", "until", "var", + "while", "xnor", "xor", "&", "|" + }; + + static const std::size_t reserved_symbols_size = sizeof(reserved_symbols) / sizeof(std::string); + + static const std::string base_function_list[] = + { + "abs", "acos", "acosh", "asin", "asinh", "atan", "atanh", + "atan2", "avg", "ceil", "clamp", "cos", "cosh", "cot", + "csc", "equal", "erf", "erfc", "exp", "expm1", "floor", + "frac", "hypot", "iclamp", "like", "log", "log10", "log2", + "logn", "log1p", "mand", "max", "min", "mod", "mor", "mul", + "ncdf", "pow", "root", "round", "roundn", "sec", "sgn", + "sin", "sinc", "sinh", "sqrt", "sum", "swap", "tan", "tanh", + "trunc", "not_equal", "inrange", "deg2grad", "deg2rad", + "rad2deg", "grad2deg" + }; + + static const std::size_t base_function_list_size = sizeof(base_function_list) / sizeof(std::string); + + static const std::string logic_ops_list[] = + { + "and", "nand", "nor", "not", "or", "xnor", "xor", "&", "|" + }; + + static const std::size_t logic_ops_list_size = sizeof(logic_ops_list) / sizeof(std::string); + + static const std::string cntrl_struct_list[] = + { + "if", "switch", "for", "while", "repeat", "return" + }; + + static const std::size_t cntrl_struct_list_size = sizeof(cntrl_struct_list) / sizeof(std::string); + + static const std::string arithmetic_ops_list[] = + { + "+", "-", "*", "/", "%", "^" + }; + + static const std::size_t arithmetic_ops_list_size = sizeof(arithmetic_ops_list) / sizeof(std::string); + + static const std::string assignment_ops_list[] = + { + ":=", "+=", "-=", + "*=", "/=", "%=" + }; + + static const std::size_t assignment_ops_list_size = sizeof(assignment_ops_list) / sizeof(std::string); + + static const std::string inequality_ops_list[] = + { + "<", "<=", "==", + "=", "!=", "<>", + ">=", ">" + }; + + static const std::size_t inequality_ops_list_size = sizeof(inequality_ops_list) / sizeof(std::string); + + inline bool is_reserved_word(const std::string& symbol) + { + for (std::size_t i = 0; i < reserved_words_size; ++i) + { + if (imatch(symbol, reserved_words[i])) + { + return true; + } + } + + return false; + } + + inline bool is_reserved_symbol(const std::string& symbol) + { + for (std::size_t i = 0; i < reserved_symbols_size; ++i) + { + if (imatch(symbol, reserved_symbols[i])) + { + return true; + } + } + + return false; + } + + inline bool is_base_function(const std::string& function_name) + { + for (std::size_t i = 0; i < base_function_list_size; ++i) + { + if (imatch(function_name, base_function_list[i])) + { + return true; + } + } + + return false; + } + + inline bool is_control_struct(const std::string& cntrl_strct) + { + for (std::size_t i = 0; i < cntrl_struct_list_size; ++i) + { + if (imatch(cntrl_strct, cntrl_struct_list[i])) + { + return true; + } + } + + return false; + } + + inline bool is_logic_opr(const std::string& lgc_opr) + { + for (std::size_t i = 0; i < logic_ops_list_size; ++i) + { + if (imatch(lgc_opr, logic_ops_list[i])) + { + return true; + } + } + + return false; + } + + struct cs_match + { + static inline bool cmp(const char_t c0, const char_t c1) + { + return (c0 == c1); + } + }; + + struct cis_match + { + static inline bool cmp(const char_t c0, const char_t c1) + { + return (std::tolower(c0) == std::tolower(c1)); + } + }; + + template + inline bool match_impl(const Iterator pattern_begin, + const Iterator pattern_end , + const Iterator data_begin , + const Iterator data_end , + const typename std::iterator_traits::value_type& zero_or_more, + const typename std::iterator_traits::value_type& exactly_one ) + { + typedef typename std::iterator_traits::value_type type; + + const Iterator null_itr(0); + + Iterator p_itr = pattern_begin; + Iterator d_itr = data_begin; + Iterator np_itr = null_itr; + Iterator nd_itr = null_itr; + + for ( ; ; ) + { + if (p_itr != pattern_end) + { + const type c = *(p_itr); + + if ((data_end != d_itr) && (Compare::cmp(c,*(d_itr)) || (exactly_one == c))) + { + ++d_itr; + ++p_itr; + continue; + } + else if (zero_or_more == c) + { + while ((pattern_end != p_itr) && (zero_or_more == *(p_itr))) + { + ++p_itr; + } + + const type d = *(p_itr); + + while ((data_end != d_itr) && !(Compare::cmp(d,*(d_itr)) || (exactly_one == d))) + { + ++d_itr; + } + + // set backtrack iterators + np_itr = p_itr - 1; + nd_itr = d_itr + 1; + + continue; + } + } + else if (data_end == d_itr) + break; + + if ((data_end == d_itr) || (null_itr == nd_itr)) + return false; + + p_itr = np_itr; + d_itr = nd_itr; + } + + return true; + } + + inline bool wc_match(const std::string& wild_card, + const std::string& str) + { + return match_impl + ( + wild_card.data(), + wild_card.data() + wild_card.size(), + str.data(), + str.data() + str.size(), + '*', '?' + ); + } + + inline bool wc_imatch(const std::string& wild_card, + const std::string& str) + { + return match_impl + ( + wild_card.data(), + wild_card.data() + wild_card.size(), + str.data(), + str.data() + str.size(), + '*', '?' + ); + } + + inline bool sequence_match(const std::string& pattern, + const std::string& str, + std::size_t& diff_index, + char_t& diff_value) + { + if (str.empty()) + { + return ("Z" == pattern); + } + else if ('*' == pattern[0]) + return false; + + typedef std::string::const_iterator itr_t; + + itr_t p_itr = pattern.begin(); + itr_t s_itr = str .begin(); + + const itr_t p_end = pattern.end(); + const itr_t s_end = str .end(); + + while ((s_end != s_itr) && (p_end != p_itr)) + { + if ('*' == (*p_itr)) + { + const char_t target = static_cast(std::toupper(*(p_itr - 1))); + + if ('*' == target) + { + diff_index = static_cast(std::distance(str.begin(),s_itr)); + diff_value = static_cast(std::toupper(*p_itr)); + + return false; + } + else + ++p_itr; + + while (s_itr != s_end) + { + if (target != std::toupper(*s_itr)) + break; + else + ++s_itr; + } + + continue; + } + else if ( + ('?' != *p_itr) && + std::toupper(*p_itr) != std::toupper(*s_itr) + ) + { + diff_index = static_cast(std::distance(str.begin(),s_itr)); + diff_value = static_cast(std::toupper(*p_itr)); + + return false; + } + + ++p_itr; + ++s_itr; + } + + return ( + (s_end == s_itr) && + ( + (p_end == p_itr) || + ('*' == *p_itr) + ) + ); + } + + template + struct set_zero_value_impl + { + static inline void process(T* base_ptr, const std::size_t size) + { + const T zero = T(0); + for (std::size_t i = 0; i < size; ++i) + { + base_ptr[i] = zero; + } + } + }; + + #define pod_set_zero_value(T) \ + template <> \ + struct set_zero_value_impl \ + { \ + static inline void process(T* base_ptr, const std::size_t size) \ + { std::memset(base_ptr, 0x00, size * sizeof(T)); } \ + }; \ + + pod_set_zero_value(float ) + pod_set_zero_value(double ) + pod_set_zero_value(long double) + + #ifdef pod_set_zero_value + #undef pod_set_zero_value + #endif + + template + inline void set_zero_value(T* data, const std::size_t size) + { + set_zero_value_impl::process(data,size); + } + + template + inline void set_zero_value(std::vector& v) + { + set_zero_value(v.data(),v.size()); + } + + static const double pow10[] = + { + 1.0, + 1.0E+001, 1.0E+002, 1.0E+003, 1.0E+004, + 1.0E+005, 1.0E+006, 1.0E+007, 1.0E+008, + 1.0E+009, 1.0E+010, 1.0E+011, 1.0E+012, + 1.0E+013, 1.0E+014, 1.0E+015, 1.0E+016 + }; + + static const std::size_t pow10_size = sizeof(pow10) / sizeof(double); + + namespace numeric + { + namespace constant + { + static const double e = 2.71828182845904523536028747135266249775724709369996; + static const double pi = 3.14159265358979323846264338327950288419716939937510; + static const double pi_2 = 1.57079632679489661923132169163975144209858469968755; + static const double pi_4 = 0.78539816339744830961566084581987572104929234984378; + static const double pi_180 = 0.01745329251994329576923690768488612713442871888542; + static const double _1_pi = 0.31830988618379067153776752674502872406891929148091; + static const double _2_pi = 0.63661977236758134307553505349005744813783858296183; + static const double _180_pi = 57.29577951308232087679815481410517033240547246656443; + static const double log2 = 0.69314718055994530941723212145817656807550013436026; + static const double sqrt2 = 1.41421356237309504880168872420969807856967187537695; + } + + namespace details + { + struct unknown_type_tag { unknown_type_tag() {} }; + struct real_type_tag { real_type_tag () {} }; + struct int_type_tag { int_type_tag () {} }; + + template + struct number_type + { + typedef unknown_type_tag type; + number_type() {} + }; + + #define exprtk_register_real_type_tag(T) \ + template <> struct number_type \ + { typedef real_type_tag type; number_type() {} }; \ + + #define exprtk_register_int_type_tag(T) \ + template <> struct number_type \ + { typedef int_type_tag type; number_type() {} }; \ + + exprtk_register_real_type_tag(float ) + exprtk_register_real_type_tag(double ) + exprtk_register_real_type_tag(long double) + + exprtk_register_int_type_tag(short ) + exprtk_register_int_type_tag(int ) + exprtk_register_int_type_tag(_int64_t ) + exprtk_register_int_type_tag(unsigned short) + exprtk_register_int_type_tag(unsigned int ) + exprtk_register_int_type_tag(_uint64_t ) + + #undef exprtk_register_real_type_tag + #undef exprtk_register_int_type_tag + + template + struct epsilon_type {}; + + #define exprtk_define_epsilon_type(Type, Epsilon) \ + template <> struct epsilon_type \ + { \ + static inline Type value() \ + { \ + const Type epsilon = static_cast(Epsilon); \ + return epsilon; \ + } \ + }; \ + + exprtk_define_epsilon_type(float , 0.00000100000f) + exprtk_define_epsilon_type(double , 0.000000000100) + exprtk_define_epsilon_type(long double, 0.000000000001) + + #undef exprtk_define_epsilon_type + + template + inline bool is_nan_impl(const T v, real_type_tag) + { + return std::not_equal_to()(v,v); + } + + template + inline int to_int32_impl(const T v, real_type_tag) + { + return static_cast(v); + } + + template + inline _int64_t to_int64_impl(const T v, real_type_tag) + { + return static_cast<_int64_t>(v); + } + + template + inline _uint64_t to_uint64_impl(const T v, real_type_tag) + { + return static_cast<_uint64_t>(v); + } + + template + inline bool is_true_impl(const T v) + { + return std::not_equal_to()(T(0),v); + } + + template + inline bool is_false_impl(const T v) + { + return std::equal_to()(T(0),v); + } + + template + inline T abs_impl(const T v, real_type_tag) + { + return ((v < T(0)) ? -v : v); + } + + template + inline T min_impl(const T v0, const T v1, real_type_tag) + { + return std::min(v0,v1); + } + + template + inline T max_impl(const T v0, const T v1, real_type_tag) + { + return std::max(v0,v1); + } + + template + inline T equal_impl(const T v0, const T v1, real_type_tag) + { + const T epsilon = epsilon_type::value(); + return (abs_impl(v0 - v1,real_type_tag()) <= (std::max(T(1),std::max(abs_impl(v0,real_type_tag()),abs_impl(v1,real_type_tag()))) * epsilon)) ? T(1) : T(0); + } + + inline float equal_impl(const float v0, const float v1, real_type_tag) + { + const float epsilon = epsilon_type::value(); + return (abs_impl(v0 - v1,real_type_tag()) <= (std::max(1.0f,std::max(abs_impl(v0,real_type_tag()),abs_impl(v1,real_type_tag()))) * epsilon)) ? 1.0f : 0.0f; + } + + template + inline T equal_impl(const T v0, const T v1, int_type_tag) + { + return (v0 == v1) ? 1 : 0; + } + + template + inline T nequal_impl(const T v0, const T v1, real_type_tag) + { + typedef real_type_tag rtg; + const T epsilon = epsilon_type::value(); + return (abs_impl(v0 - v1,rtg()) > (std::max(T(1),std::max(abs_impl(v0,rtg()),abs_impl(v1,rtg()))) * epsilon)) ? T(1) : T(0); + } + + inline float nequal_impl(const float v0, const float v1, real_type_tag) + { + typedef real_type_tag rtg; + const float epsilon = epsilon_type::value(); + return (abs_impl(v0 - v1,rtg()) > (std::max(1.0f,std::max(abs_impl(v0,rtg()),abs_impl(v1,rtg()))) * epsilon)) ? 1.0f : 0.0f; + } + + template + inline T nequal_impl(const T v0, const T v1, int_type_tag) + { + return (v0 != v1) ? 1 : 0; + } + + template + inline T modulus_impl(const T v0, const T v1, real_type_tag) + { + return std::fmod(v0,v1); + } + + template + inline T modulus_impl(const T v0, const T v1, int_type_tag) + { + return v0 % v1; + } + + template + inline T pow_impl(const T v0, const T v1, real_type_tag) + { + return std::pow(v0,v1); + } + + template + inline T pow_impl(const T v0, const T v1, int_type_tag) + { + return std::pow(static_cast(v0),static_cast(v1)); + } + + template + inline T logn_impl(const T v0, const T v1, real_type_tag) + { + return std::log(v0) / std::log(v1); + } + + template + inline T logn_impl(const T v0, const T v1, int_type_tag) + { + return static_cast(logn_impl(static_cast(v0),static_cast(v1),real_type_tag())); + } + + template + inline T root_impl(const T v0, const T v1, real_type_tag) + { + if (v0 < T(0)) + { + return (v1 == trunc_impl(v1, real_type_tag())) && + (modulus_impl(v1, T(2), real_type_tag()) != T(0)) ? + -std::pow(abs_impl(v0, real_type_tag()), T(1) / v1) : + std::numeric_limits::quiet_NaN(); + } + + return std::pow(v0, T(1) / v1); + } + + template + inline T root_impl(const T v0, const T v1, int_type_tag) + { + return root_impl(static_cast(v0),static_cast(v1),real_type_tag()); + } + + template + inline T round_impl(const T v, real_type_tag) + { + return ((v < T(0)) ? std::ceil(v - T(0.5)) : std::floor(v + T(0.5))); + } + + template + inline T roundn_impl(const T v0, const T v1, real_type_tag) + { + const int index = std::max(0, std::min(pow10_size - 1, static_cast(std::floor(v1)))); + const T p10 = T(pow10[index]); + + if (v0 < T(0)) + return T(std::ceil ((v0 * p10) - T(0.5)) / p10); + else + return T(std::floor((v0 * p10) + T(0.5)) / p10); + } + + template + inline T roundn_impl(const T v0, const T, int_type_tag) + { + return v0; + } + + template + inline T hypot_impl(const T v0, const T v1, real_type_tag) + { + return std::sqrt((v0 * v0) + (v1 * v1)); + } + + template + inline T hypot_impl(const T v0, const T v1, int_type_tag) + { + return static_cast(std::sqrt(static_cast((v0 * v0) + (v1 * v1)))); + } + + template + inline T atan2_impl(const T v0, const T v1, real_type_tag) + { + return std::atan2(v0,v1); + } + + template + inline T atan2_impl(const T, const T, int_type_tag) + { + return 0; + } + + template + inline T shr_impl(const T v0, const T v1, real_type_tag) + { + return v0 * (T(1) / std::pow(T(2),static_cast(static_cast(v1)))); + } + + template + inline T shr_impl(const T v0, const T v1, int_type_tag) + { + return v0 >> v1; + } + + template + inline T shl_impl(const T v0, const T v1, real_type_tag) + { + return v0 * std::pow(T(2),static_cast(static_cast(v1))); + } + + template + inline T shl_impl(const T v0, const T v1, int_type_tag) + { + return v0 << v1; + } + + template + inline T sgn_impl(const T v, real_type_tag) + { + if (v > T(0)) return T(+1); + else if (v < T(0)) return T(-1); + else return T( 0); + } + + template + inline T sgn_impl(const T v, int_type_tag) + { + if (v > T(0)) return T(+1); + else if (v < T(0)) return T(-1); + else return T( 0); + } + + template + inline T and_impl(const T v0, const T v1, real_type_tag) + { + return (is_true_impl(v0) && is_true_impl(v1)) ? T(1) : T(0); + } + + template + inline T and_impl(const T v0, const T v1, int_type_tag) + { + return v0 && v1; + } + + template + inline T nand_impl(const T v0, const T v1, real_type_tag) + { + return (is_false_impl(v0) || is_false_impl(v1)) ? T(1) : T(0); + } + + template + inline T nand_impl(const T v0, const T v1, int_type_tag) + { + return !(v0 && v1); + } + + template + inline T or_impl(const T v0, const T v1, real_type_tag) + { + return (is_true_impl(v0) || is_true_impl(v1)) ? T(1) : T(0); + } + + template + inline T or_impl(const T v0, const T v1, int_type_tag) + { + return (v0 || v1); + } + + template + inline T nor_impl(const T v0, const T v1, real_type_tag) + { + return (is_false_impl(v0) && is_false_impl(v1)) ? T(1) : T(0); + } + + template + inline T nor_impl(const T v0, const T v1, int_type_tag) + { + return !(v0 || v1); + } + + template + inline T xor_impl(const T v0, const T v1, real_type_tag) + { + return (is_false_impl(v0) != is_false_impl(v1)) ? T(1) : T(0); + } + + template + inline T xor_impl(const T v0, const T v1, int_type_tag) + { + return v0 ^ v1; + } + + template + inline T xnor_impl(const T v0, const T v1, real_type_tag) + { + const bool v0_true = is_true_impl(v0); + const bool v1_true = is_true_impl(v1); + + if ((v0_true && v1_true) || (!v0_true && !v1_true)) + return T(1); + else + return T(0); + } + + template + inline T xnor_impl(const T v0, const T v1, int_type_tag) + { + const bool v0_true = is_true_impl(v0); + const bool v1_true = is_true_impl(v1); + + if ((v0_true && v1_true) || (!v0_true && !v1_true)) + return T(1); + else + return T(0); + } + + #if (defined(_MSC_VER) && (_MSC_VER >= 1900)) || !defined(_MSC_VER) + #define exprtk_define_erf(TT, impl) \ + inline TT erf_impl(const TT v) { return impl(v); } \ + + exprtk_define_erf(float , ::erff) + exprtk_define_erf(double , ::erf ) + exprtk_define_erf(long double, ::erfl) + #undef exprtk_define_erf + #endif + + template + inline T erf_impl(const T v, real_type_tag) + { + #if defined(_MSC_VER) && (_MSC_VER < 1900) + // Credits: Abramowitz & Stegun Equations 7.1.25-28 + static const T c[] = + { + T( 1.26551223), T(1.00002368), + T( 0.37409196), T(0.09678418), + T(-0.18628806), T(0.27886807), + T(-1.13520398), T(1.48851587), + T(-0.82215223), T(0.17087277) + }; + + const T t = T(1) / (T(1) + T(0.5) * abs_impl(v,real_type_tag())); + + const T result = T(1) - t * std::exp((-v * v) - + c[0] + t * (c[1] + t * + (c[2] + t * (c[3] + t * + (c[4] + t * (c[5] + t * + (c[6] + t * (c[7] + t * + (c[8] + t * (c[9])))))))))); + + return (v >= T(0)) ? result : -result; + #else + return erf_impl(v); + #endif + } + + template + inline T erf_impl(const T v, int_type_tag) + { + return erf_impl(static_cast(v),real_type_tag()); + } + + #if (defined(_MSC_VER) && (_MSC_VER >= 1900)) || !defined(_MSC_VER) + #define exprtk_define_erfc(TT, impl) \ + inline TT erfc_impl(const TT v) { return impl(v); } \ + + exprtk_define_erfc(float ,::erfcf) + exprtk_define_erfc(double ,::erfc ) + exprtk_define_erfc(long double,::erfcl) + #undef exprtk_define_erfc + #endif + + template + inline T erfc_impl(const T v, real_type_tag) + { + #if defined(_MSC_VER) && (_MSC_VER < 1900) + return T(1) - erf_impl(v,real_type_tag()); + #else + return erfc_impl(v); + #endif + } + + template + inline T erfc_impl(const T v, int_type_tag) + { + return erfc_impl(static_cast(v),real_type_tag()); + } + + template + inline T ncdf_impl(const T v, real_type_tag) + { + return T(0.5) * erfc_impl(-(v / T(numeric::constant::sqrt2)),real_type_tag()); + } + + template + inline T ncdf_impl(const T v, int_type_tag) + { + return ncdf_impl(static_cast(v),real_type_tag()); + } + + template + inline T sinc_impl(const T v, real_type_tag) + { + if (std::abs(v) >= std::numeric_limits::epsilon()) + return(std::sin(v) / v); + else + return T(1); + } + + template + inline T sinc_impl(const T v, int_type_tag) + { + return sinc_impl(static_cast(v),real_type_tag()); + } + + #if __cplusplus >= 201103L + template + inline T acosh_impl(const T v, real_type_tag) + { + return std::acosh(v); + } + + template + inline T asinh_impl(const T v, real_type_tag) + { + return std::asinh(v); + } + + template + inline T atanh_impl(const T v, real_type_tag) + { + return std::atanh(v); + } + + template + inline T trunc_impl(const T v, real_type_tag) + { + return std::trunc(v); + } + + template + inline T expm1_impl(const T v, real_type_tag) + { + return std::expm1(v); + } + + template + inline T expm1_impl(const T v, int_type_tag) + { + return std::expm1(v); + } + + template + inline T log1p_impl(const T v, real_type_tag) + { + return std::log1p(v); + } + + template + inline T log1p_impl(const T v, int_type_tag) + { + return std::log1p(v); + } + #else + template + inline T acosh_impl(const T v, real_type_tag) + { + return std::log(v + std::sqrt((v * v) - T(1))); + } + + template + inline T asinh_impl(const T v, real_type_tag) + { + return std::log(v + std::sqrt((v * v) + T(1))); + } + + template + inline T atanh_impl(const T v, real_type_tag) + { + return (std::log(T(1) + v) - std::log(T(1) - v)) / T(2); + } + + template + inline T trunc_impl(const T v, real_type_tag) + { + return T(static_cast(v)); + } + + template + inline T expm1_impl(const T v, real_type_tag) + { + if (abs_impl(v,real_type_tag()) < T(0.00001)) + return v + (T(0.5) * v * v); + else + return std::exp(v) - T(1); + } + + template + inline T expm1_impl(const T v, int_type_tag) + { + return T(std::exp(v)) - T(1); + } + + template + inline T log1p_impl(const T v, real_type_tag) + { + if (v > T(-1)) + { + if (abs_impl(v,real_type_tag()) > T(0.0001)) + { + return std::log(T(1) + v); + } + else + return (T(-0.5) * v + T(1)) * v; + } + + return std::numeric_limits::quiet_NaN(); + } + + template + inline T log1p_impl(const T v, int_type_tag) + { + if (v > T(-1)) + { + return std::log(T(1) + v); + } + + return std::numeric_limits::quiet_NaN(); + } + #endif + + template inline T acos_impl(const T v, real_type_tag) { return std::acos (v); } + template inline T asin_impl(const T v, real_type_tag) { return std::asin (v); } + template inline T atan_impl(const T v, real_type_tag) { return std::atan (v); } + template inline T ceil_impl(const T v, real_type_tag) { return std::ceil (v); } + template inline T cos_impl(const T v, real_type_tag) { return std::cos (v); } + template inline T cosh_impl(const T v, real_type_tag) { return std::cosh (v); } + template inline T exp_impl(const T v, real_type_tag) { return std::exp (v); } + template inline T floor_impl(const T v, real_type_tag) { return std::floor(v); } + template inline T log_impl(const T v, real_type_tag) { return std::log (v); } + template inline T log10_impl(const T v, real_type_tag) { return std::log10(v); } + template inline T log2_impl(const T v, real_type_tag) { return std::log(v)/T(numeric::constant::log2); } + template inline T neg_impl(const T v, real_type_tag) { return -v; } + template inline T pos_impl(const T v, real_type_tag) { return +v; } + template inline T sin_impl(const T v, real_type_tag) { return std::sin (v); } + template inline T sinh_impl(const T v, real_type_tag) { return std::sinh (v); } + template inline T sqrt_impl(const T v, real_type_tag) { return std::sqrt (v); } + template inline T tan_impl(const T v, real_type_tag) { return std::tan (v); } + template inline T tanh_impl(const T v, real_type_tag) { return std::tanh (v); } + template inline T cot_impl(const T v, real_type_tag) { return T(1) / std::tan(v); } + template inline T sec_impl(const T v, real_type_tag) { return T(1) / std::cos(v); } + template inline T csc_impl(const T v, real_type_tag) { return T(1) / std::sin(v); } + template inline T r2d_impl(const T v, real_type_tag) { return (v * T(numeric::constant::_180_pi)); } + template inline T d2r_impl(const T v, real_type_tag) { return (v * T(numeric::constant::pi_180)); } + template inline T d2g_impl(const T v, real_type_tag) { return (v * T(10.0/9.0)); } + template inline T g2d_impl(const T v, real_type_tag) { return (v * T(9.0/10.0)); } + template inline T notl_impl(const T v, real_type_tag) { return (std::not_equal_to()(T(0),v) ? T(0) : T(1)); } + template inline T frac_impl(const T v, real_type_tag) { return (v - trunc_impl(v,real_type_tag())); } + + template inline T const_pi_impl(real_type_tag) { return T(numeric::constant::pi); } + template inline T const_e_impl(real_type_tag) { return T(numeric::constant::e); } + template inline T const_qnan_impl(real_type_tag) { return std::numeric_limits::quiet_NaN(); } + + template inline T abs_impl(const T v, int_type_tag) { return ((v >= T(0)) ? v : -v); } + template inline T exp_impl(const T v, int_type_tag) { return std::exp (v); } + template inline T log_impl(const T v, int_type_tag) { return std::log (v); } + template inline T log10_impl(const T v, int_type_tag) { return std::log10(v); } + template inline T log2_impl(const T v, int_type_tag) { return std::log(v)/T(numeric::constant::log2); } + template inline T neg_impl(const T v, int_type_tag) { return -v; } + template inline T pos_impl(const T v, int_type_tag) { return +v; } + template inline T ceil_impl(const T v, int_type_tag) { return v; } + template inline T floor_impl(const T v, int_type_tag) { return v; } + template inline T round_impl(const T v, int_type_tag) { return v; } + template inline T notl_impl(const T v, int_type_tag) { return !v; } + template inline T sqrt_impl(const T v, int_type_tag) { return std::sqrt (v); } + template inline T frac_impl(const T , int_type_tag) { return T(0); } + template inline T trunc_impl(const T v, int_type_tag) { return v; } + template inline T acos_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T acosh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T asin_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T asinh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T atan_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T atanh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T cos_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T cosh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T sin_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T sinh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T tan_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T tanh_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T cot_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T sec_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + template inline T csc_impl(const T , int_type_tag) { return std::numeric_limits::quiet_NaN(); } + + template + inline bool is_integer_impl(const T& v, real_type_tag) + { + return std::equal_to()(T(0),std::fmod(v,T(1))); + } + + template + inline bool is_integer_impl(const T&, int_type_tag) + { + return true; + } + } + + template + struct numeric_info { enum { length = 0, size = 32, bound_length = 0, min_exp = 0, max_exp = 0 }; }; + + template <> struct numeric_info { enum { length = 10, size = 16, bound_length = 9 }; }; + template <> struct numeric_info { enum { min_exp = -38, max_exp = +38 }; }; + template <> struct numeric_info { enum { min_exp = -308, max_exp = +308 }; }; + template <> struct numeric_info { enum { min_exp = -308, max_exp = +308 }; }; + + template + inline int to_int32(const T v) + { + const typename details::number_type::type num_type; + return to_int32_impl(v, num_type); + } + + template + inline _int64_t to_int64(const T v) + { + const typename details::number_type::type num_type; + return to_int64_impl(v, num_type); + } + + template + inline _uint64_t to_uint64(const T v) + { + const typename details::number_type::type num_type; + return to_uint64_impl(v, num_type); + } + + template + inline bool is_nan(const T v) + { + const typename details::number_type::type num_type; + return is_nan_impl(v, num_type); + } + + template + inline T min(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return min_impl(v0, v1, num_type); + } + + template + inline T max(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return max_impl(v0, v1, num_type); + } + + template + inline T equal(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return equal_impl(v0, v1, num_type); + } + + template + inline T nequal(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return nequal_impl(v0, v1, num_type); + } + + template + inline T modulus(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return modulus_impl(v0, v1, num_type); + } + + template + inline T pow(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return pow_impl(v0, v1, num_type); + } + + template + inline T logn(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return logn_impl(v0, v1, num_type); + } + + template + inline T root(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return root_impl(v0, v1, num_type); + } + + template + inline T roundn(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return roundn_impl(v0, v1, num_type); + } + + template + inline T hypot(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return hypot_impl(v0, v1, num_type); + } + + template + inline T atan2(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return atan2_impl(v0, v1, num_type); + } + + template + inline T shr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return shr_impl(v0, v1, num_type); + } + + template + inline T shl(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return shl_impl(v0, v1, num_type); + } + + template + inline T and_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return and_impl(v0, v1, num_type); + } + + template + inline T nand_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return nand_impl(v0, v1, num_type); + } + + template + inline T or_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return or_impl(v0, v1, num_type); + } + + template + inline T nor_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return nor_impl(v0, v1, num_type); + } + + template + inline T xor_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return xor_impl(v0, v1, num_type); + } + + template + inline T xnor_opr(const T v0, const T v1) + { + const typename details::number_type::type num_type; + return xnor_impl(v0, v1, num_type); + } + + template + inline bool is_integer(const T v) + { + const typename details::number_type::type num_type; + return is_integer_impl(v, num_type); + } + + template + struct fast_exp + { + static inline T result(T v) + { + unsigned int k = N; + T l = T(1); + + while (k) + { + if (1 == (k % 2)) + { + l *= v; + --k; + } + + v *= v; + k /= 2; + } + + return l; + } + }; + + template struct fast_exp { static inline T result(const T v) { T v_5 = fast_exp::result(v); return v_5 * v_5; } }; + template struct fast_exp { static inline T result(const T v) { return fast_exp::result(v) * v; } }; + template struct fast_exp { static inline T result(const T v) { T v_4 = fast_exp::result(v); return v_4 * v_4; } }; + template struct fast_exp { static inline T result(const T v) { return fast_exp::result(v) * v; } }; + template struct fast_exp { static inline T result(const T v) { T v_3 = fast_exp::result(v); return v_3 * v_3; } }; + template struct fast_exp { static inline T result(const T v) { return fast_exp::result(v) * v; } }; + template struct fast_exp { static inline T result(const T v) { T v_2 = v * v; return v_2 * v_2; } }; + template struct fast_exp { static inline T result(const T v) { return v * v * v; } }; + template struct fast_exp { static inline T result(const T v) { return v * v; } }; + template struct fast_exp { static inline T result(const T v) { return v; } }; + template struct fast_exp { static inline T result(const T ) { return T(1); } }; + + #define exprtk_define_unary_function(FunctionName) \ + template \ + inline T FunctionName (const T v) \ + { \ + const typename details::number_type::type num_type; \ + return FunctionName##_impl(v,num_type); \ + } \ + + exprtk_define_unary_function(abs ) + exprtk_define_unary_function(acos ) + exprtk_define_unary_function(acosh) + exprtk_define_unary_function(asin ) + exprtk_define_unary_function(asinh) + exprtk_define_unary_function(atan ) + exprtk_define_unary_function(atanh) + exprtk_define_unary_function(ceil ) + exprtk_define_unary_function(cos ) + exprtk_define_unary_function(cosh ) + exprtk_define_unary_function(exp ) + exprtk_define_unary_function(expm1) + exprtk_define_unary_function(floor) + exprtk_define_unary_function(log ) + exprtk_define_unary_function(log10) + exprtk_define_unary_function(log2 ) + exprtk_define_unary_function(log1p) + exprtk_define_unary_function(neg ) + exprtk_define_unary_function(pos ) + exprtk_define_unary_function(round) + exprtk_define_unary_function(sin ) + exprtk_define_unary_function(sinc ) + exprtk_define_unary_function(sinh ) + exprtk_define_unary_function(sqrt ) + exprtk_define_unary_function(tan ) + exprtk_define_unary_function(tanh ) + exprtk_define_unary_function(cot ) + exprtk_define_unary_function(sec ) + exprtk_define_unary_function(csc ) + exprtk_define_unary_function(r2d ) + exprtk_define_unary_function(d2r ) + exprtk_define_unary_function(d2g ) + exprtk_define_unary_function(g2d ) + exprtk_define_unary_function(notl ) + exprtk_define_unary_function(sgn ) + exprtk_define_unary_function(erf ) + exprtk_define_unary_function(erfc ) + exprtk_define_unary_function(ncdf ) + exprtk_define_unary_function(frac ) + exprtk_define_unary_function(trunc) + #undef exprtk_define_unary_function + } + + template + inline T compute_pow10(T d, const int exponent) + { + static const double fract10[] = + { + 0.0, + 1.0E+001, 1.0E+002, 1.0E+003, 1.0E+004, 1.0E+005, 1.0E+006, 1.0E+007, 1.0E+008, 1.0E+009, 1.0E+010, + 1.0E+011, 1.0E+012, 1.0E+013, 1.0E+014, 1.0E+015, 1.0E+016, 1.0E+017, 1.0E+018, 1.0E+019, 1.0E+020, + 1.0E+021, 1.0E+022, 1.0E+023, 1.0E+024, 1.0E+025, 1.0E+026, 1.0E+027, 1.0E+028, 1.0E+029, 1.0E+030, + 1.0E+031, 1.0E+032, 1.0E+033, 1.0E+034, 1.0E+035, 1.0E+036, 1.0E+037, 1.0E+038, 1.0E+039, 1.0E+040, + 1.0E+041, 1.0E+042, 1.0E+043, 1.0E+044, 1.0E+045, 1.0E+046, 1.0E+047, 1.0E+048, 1.0E+049, 1.0E+050, + 1.0E+051, 1.0E+052, 1.0E+053, 1.0E+054, 1.0E+055, 1.0E+056, 1.0E+057, 1.0E+058, 1.0E+059, 1.0E+060, + 1.0E+061, 1.0E+062, 1.0E+063, 1.0E+064, 1.0E+065, 1.0E+066, 1.0E+067, 1.0E+068, 1.0E+069, 1.0E+070, + 1.0E+071, 1.0E+072, 1.0E+073, 1.0E+074, 1.0E+075, 1.0E+076, 1.0E+077, 1.0E+078, 1.0E+079, 1.0E+080, + 1.0E+081, 1.0E+082, 1.0E+083, 1.0E+084, 1.0E+085, 1.0E+086, 1.0E+087, 1.0E+088, 1.0E+089, 1.0E+090, + 1.0E+091, 1.0E+092, 1.0E+093, 1.0E+094, 1.0E+095, 1.0E+096, 1.0E+097, 1.0E+098, 1.0E+099, 1.0E+100, + 1.0E+101, 1.0E+102, 1.0E+103, 1.0E+104, 1.0E+105, 1.0E+106, 1.0E+107, 1.0E+108, 1.0E+109, 1.0E+110, + 1.0E+111, 1.0E+112, 1.0E+113, 1.0E+114, 1.0E+115, 1.0E+116, 1.0E+117, 1.0E+118, 1.0E+119, 1.0E+120, + 1.0E+121, 1.0E+122, 1.0E+123, 1.0E+124, 1.0E+125, 1.0E+126, 1.0E+127, 1.0E+128, 1.0E+129, 1.0E+130, + 1.0E+131, 1.0E+132, 1.0E+133, 1.0E+134, 1.0E+135, 1.0E+136, 1.0E+137, 1.0E+138, 1.0E+139, 1.0E+140, + 1.0E+141, 1.0E+142, 1.0E+143, 1.0E+144, 1.0E+145, 1.0E+146, 1.0E+147, 1.0E+148, 1.0E+149, 1.0E+150, + 1.0E+151, 1.0E+152, 1.0E+153, 1.0E+154, 1.0E+155, 1.0E+156, 1.0E+157, 1.0E+158, 1.0E+159, 1.0E+160, + 1.0E+161, 1.0E+162, 1.0E+163, 1.0E+164, 1.0E+165, 1.0E+166, 1.0E+167, 1.0E+168, 1.0E+169, 1.0E+170, + 1.0E+171, 1.0E+172, 1.0E+173, 1.0E+174, 1.0E+175, 1.0E+176, 1.0E+177, 1.0E+178, 1.0E+179, 1.0E+180, + 1.0E+181, 1.0E+182, 1.0E+183, 1.0E+184, 1.0E+185, 1.0E+186, 1.0E+187, 1.0E+188, 1.0E+189, 1.0E+190, + 1.0E+191, 1.0E+192, 1.0E+193, 1.0E+194, 1.0E+195, 1.0E+196, 1.0E+197, 1.0E+198, 1.0E+199, 1.0E+200, + 1.0E+201, 1.0E+202, 1.0E+203, 1.0E+204, 1.0E+205, 1.0E+206, 1.0E+207, 1.0E+208, 1.0E+209, 1.0E+210, + 1.0E+211, 1.0E+212, 1.0E+213, 1.0E+214, 1.0E+215, 1.0E+216, 1.0E+217, 1.0E+218, 1.0E+219, 1.0E+220, + 1.0E+221, 1.0E+222, 1.0E+223, 1.0E+224, 1.0E+225, 1.0E+226, 1.0E+227, 1.0E+228, 1.0E+229, 1.0E+230, + 1.0E+231, 1.0E+232, 1.0E+233, 1.0E+234, 1.0E+235, 1.0E+236, 1.0E+237, 1.0E+238, 1.0E+239, 1.0E+240, + 1.0E+241, 1.0E+242, 1.0E+243, 1.0E+244, 1.0E+245, 1.0E+246, 1.0E+247, 1.0E+248, 1.0E+249, 1.0E+250, + 1.0E+251, 1.0E+252, 1.0E+253, 1.0E+254, 1.0E+255, 1.0E+256, 1.0E+257, 1.0E+258, 1.0E+259, 1.0E+260, + 1.0E+261, 1.0E+262, 1.0E+263, 1.0E+264, 1.0E+265, 1.0E+266, 1.0E+267, 1.0E+268, 1.0E+269, 1.0E+270, + 1.0E+271, 1.0E+272, 1.0E+273, 1.0E+274, 1.0E+275, 1.0E+276, 1.0E+277, 1.0E+278, 1.0E+279, 1.0E+280, + 1.0E+281, 1.0E+282, 1.0E+283, 1.0E+284, 1.0E+285, 1.0E+286, 1.0E+287, 1.0E+288, 1.0E+289, 1.0E+290, + 1.0E+291, 1.0E+292, 1.0E+293, 1.0E+294, 1.0E+295, 1.0E+296, 1.0E+297, 1.0E+298, 1.0E+299, 1.0E+300, + 1.0E+301, 1.0E+302, 1.0E+303, 1.0E+304, 1.0E+305, 1.0E+306, 1.0E+307, 1.0E+308 + }; + + static const int fract10_size = static_cast(sizeof(fract10) / sizeof(double)); + + const int e = std::abs(exponent); + + if (exponent >= std::numeric_limits::min_exponent10) + { + if (e < fract10_size) + { + if (exponent > 0) + return T(d * fract10[e]); + else + return T(d / fract10[e]); + } + else + return T(d * std::pow(10.0, 10.0 * exponent)); + } + else + { + d /= T(fract10[ -std::numeric_limits::min_exponent10]); + return T(d / fract10[-exponent + std::numeric_limits::min_exponent10]); + } + } + + template + inline bool string_to_type_converter_impl_ref(Iterator& itr, const Iterator end, T& result) + { + if (itr == end) + return false; + + const bool negative = ('-' == (*itr)); + + if (negative || ('+' == (*itr))) + { + if (end == ++itr) + return false; + } + + static const uchar_t zero = static_cast('0'); + + while ((end != itr) && (zero == (*itr))) ++itr; + + bool return_result = true; + unsigned int digit = 0; + const std::size_t length = static_cast(std::distance(itr,end)); + + if (length <= 4) + { + switch (length) + { + #ifdef exprtk_use_lut + + #define exprtk_process_digit \ + if ((digit = details::digit_table[(int)*itr++]) < 10) \ + result = result * 10 + (digit); \ + else \ + { \ + return_result = false; \ + break; \ + } \ + exprtk_fallthrough \ + + #else + + #define exprtk_process_digit \ + if ((digit = (*itr++ - zero)) < 10) \ + result = result * T(10) + digit; \ + else \ + { \ + return_result = false; \ + break; \ + } \ + exprtk_fallthrough \ + + #endif + + case 4 : exprtk_process_digit + case 3 : exprtk_process_digit + case 2 : exprtk_process_digit + case 1 : if ((digit = (*itr - zero))>= 10) + { + digit = 0; + return_result = false; + } + + #undef exprtk_process_digit + } + } + else + return_result = false; + + if (length && return_result) + { + result = result * 10 + static_cast(digit); + ++itr; + } + + result = negative ? -result : result; + return return_result; + } + + template + static inline bool parse_nan(Iterator& itr, const Iterator end, T& t) + { + typedef typename std::iterator_traits::value_type type; + + static const std::size_t nan_length = 3; + + if (std::distance(itr,end) != static_cast(nan_length)) + return false; + + if (static_cast('n') == (*itr)) + { + if ( + (static_cast('a') != *(itr + 1)) || + (static_cast('n') != *(itr + 2)) + ) + { + return false; + } + } + else if ( + (static_cast('A') != *(itr + 1)) || + (static_cast('N') != *(itr + 2)) + ) + { + return false; + } + + t = std::numeric_limits::quiet_NaN(); + + return true; + } + + template + static inline bool parse_inf(Iterator& itr, const Iterator end, T& t, const bool negative) + { + static const char_t inf_uc[] = "INFINITY"; + static const char_t inf_lc[] = "infinity"; + static const std::size_t inf_length = 8; + + const std::size_t length = static_cast(std::distance(itr,end)); + + if ((3 != length) && (inf_length != length)) + return false; + + char_cptr inf_itr = ('i' == (*itr)) ? inf_lc : inf_uc; + + while (end != itr) + { + if (*inf_itr == static_cast(*itr)) + { + ++itr; + ++inf_itr; + continue; + } + else + return false; + } + + if (negative) + t = -std::numeric_limits::infinity(); + else + t = std::numeric_limits::infinity(); + + return true; + } + + template + inline bool valid_exponent(const int exponent, numeric::details::real_type_tag) + { + using namespace details::numeric; + return (numeric_info::min_exp <= exponent) && (exponent <= numeric_info::max_exp); + } + + template + inline bool string_to_real(Iterator& itr_external, const Iterator end, T& t, numeric::details::real_type_tag) + { + if (end == itr_external) return false; + + Iterator itr = itr_external; + + T d = T(0); + + const bool negative = ('-' == (*itr)); + + if (negative || '+' == (*itr)) + { + if (end == ++itr) + return false; + } + + bool instate = false; + + static const char_t zero = static_cast('0'); + + #define parse_digit_1(d) \ + if ((digit = (*itr - zero)) < 10) \ + { d = d * T(10) + digit; } \ + else \ + { break; } \ + if (end == ++itr) break; \ + + #define parse_digit_2(d) \ + if ((digit = (*itr - zero)) < 10) \ + { d = d * T(10) + digit; } \ + else \ + { break; } \ + ++itr; \ + + if ('.' != (*itr)) + { + const Iterator curr = itr; + + while ((end != itr) && (zero == (*itr))) ++itr; + + while (end != itr) + { + unsigned int digit; + parse_digit_1(d) + parse_digit_1(d) + parse_digit_2(d) + } + + if (curr != itr) instate = true; + } + + int exponent = 0; + + if (end != itr) + { + if ('.' == (*itr)) + { + const Iterator curr = ++itr; + T tmp_d = T(0); + + while (end != itr) + { + unsigned int digit; + parse_digit_1(tmp_d) + parse_digit_1(tmp_d) + parse_digit_2(tmp_d) + } + + if (curr != itr) + { + instate = true; + + const int frac_exponent = static_cast(-std::distance(curr, itr)); + + if (!valid_exponent(frac_exponent, numeric::details::real_type_tag())) + return false; + + d += compute_pow10(tmp_d, frac_exponent); + } + + #undef parse_digit_1 + #undef parse_digit_2 + } + + if (end != itr) + { + typename std::iterator_traits::value_type c = (*itr); + + if (('e' == c) || ('E' == c)) + { + int exp = 0; + + if (!details::string_to_type_converter_impl_ref(++itr, end, exp)) + { + if (end == itr) + return false; + else + c = (*itr); + } + + exponent += exp; + } + + if (end != itr) + { + if (('f' == c) || ('F' == c) || ('l' == c) || ('L' == c)) + ++itr; + else if ('#' == c) + { + if (end == ++itr) + return false; + else if (('I' <= (*itr)) && ((*itr) <= 'n')) + { + if (('i' == (*itr)) || ('I' == (*itr))) + { + return parse_inf(itr, end, t, negative); + } + else if (('n' == (*itr)) || ('N' == (*itr))) + { + return parse_nan(itr, end, t); + } + else + return false; + } + else + return false; + } + else if (('I' <= (*itr)) && ((*itr) <= 'n')) + { + if (('i' == (*itr)) || ('I' == (*itr))) + { + return parse_inf(itr, end, t, negative); + } + else if (('n' == (*itr)) || ('N' == (*itr))) + { + return parse_nan(itr, end, t); + } + else + return false; + } + else + return false; + } + } + } + + if ((end != itr) || (!instate)) + return false; + else if (!valid_exponent(exponent, numeric::details::real_type_tag())) + return false; + else if (exponent) + d = compute_pow10(d,exponent); + + t = static_cast((negative) ? -d : d); + return true; + } + + template + inline bool string_to_real(const std::string& s, T& t) + { + const typename numeric::details::number_type::type num_type; + + char_cptr begin = s.data(); + char_cptr end = s.data() + s.size(); + + return string_to_real(begin, end, t, num_type); + } + + template + struct functor_t + { + /* + Note: The following definitions for Type, may require tweaking + based on the compiler and target architecture. The benchmark + should provide enough information to make the right choice. + */ + //typedef T Type; + //typedef const T Type; + typedef const T& Type; + typedef T& RefType; + typedef T (*qfunc_t)(Type t0, Type t1, Type t2, Type t3); + typedef T (*tfunc_t)(Type t0, Type t1, Type t2); + typedef T (*bfunc_t)(Type t0, Type t1); + typedef T (*ufunc_t)(Type t0); + }; + + } // namespace details + + struct loop_runtime_check + { + enum loop_types + { + e_invalid = 0, + e_for_loop = 1, + e_while_loop = 2, + e_repeat_until_loop = 4, + e_all_loops = 7 + }; + + enum violation_type + { + e_unknown = 0, + e_iteration_count = 1, + e_timeout = 2 + }; + + loop_types loop_set; + + loop_runtime_check() + : loop_set(e_invalid) + , max_loop_iterations(0) + {} + + details::_uint64_t max_loop_iterations; + + struct violation_context + { + loop_types loop; + violation_type violation; + details::_uint64_t iteration_count; + }; + + virtual bool check() + { + return true; + } + + virtual void handle_runtime_violation(const violation_context&) + { + throw std::runtime_error("ExprTk Loop runtime violation."); + } + + virtual ~loop_runtime_check() + {} + }; + + typedef loop_runtime_check* loop_runtime_check_ptr; + + struct vector_access_runtime_check + { + struct violation_context + { + void* base_ptr; + void* end_ptr; + void* access_ptr; + std::size_t type_size; + }; + + virtual ~vector_access_runtime_check() + {} + + virtual bool handle_runtime_violation(violation_context& /*context*/) + { + throw std::runtime_error("ExprTk runtime vector access violation."); + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return false; + #endif + } + }; + + typedef vector_access_runtime_check* vector_access_runtime_check_ptr; + + struct assert_check + { + struct assert_context + { + std::string condition; + std::string message; + std::string id; + std::size_t offet; + }; + + virtual ~assert_check() + {} + + virtual void handle_assert(const assert_context& /*context*/) + {} + }; + + typedef assert_check* assert_check_ptr; + + struct compilation_check + { + struct compilation_context + { + std::string error_message; + }; + + virtual bool continue_compilation(compilation_context& /*context*/) = 0; + + virtual ~compilation_check() + {} + }; + + typedef compilation_check* compilation_check_ptr; + + namespace lexer + { + struct token + { + enum token_type + { + e_none = 0, e_error = 1, e_err_symbol = 2, + e_err_number = 3, e_err_string = 4, e_err_sfunc = 5, + e_eof = 6, e_number = 7, e_symbol = 8, + e_string = 9, e_assign = 10, e_addass = 11, + e_subass = 12, e_mulass = 13, e_divass = 14, + e_modass = 15, e_shr = 16, e_shl = 17, + e_lte = 18, e_ne = 19, e_gte = 20, + e_swap = 21, e_lt = '<', e_gt = '>', + e_eq = '=', e_rbracket = ')', e_lbracket = '(', + e_rsqrbracket = ']', e_lsqrbracket = '[', e_rcrlbracket = '}', + e_lcrlbracket = '{', e_comma = ',', e_add = '+', + e_sub = '-', e_div = '/', e_mul = '*', + e_mod = '%', e_pow = '^', e_colon = ':', + e_ternary = '?' + }; + + token() + : type(e_none) + , value("") + , position(std::numeric_limits::max()) + {} + + void clear() + { + type = e_none; + value = ""; + position = std::numeric_limits::max(); + } + + template + inline token& set_operator(const token_type tt, + const Iterator begin, const Iterator end, + const Iterator base_begin = Iterator(0)) + { + type = tt; + value.assign(begin,end); + if (base_begin) + position = static_cast(std::distance(base_begin,begin)); + return (*this); + } + + template + inline token& set_symbol(const Iterator begin, const Iterator end, const Iterator base_begin = Iterator(0)) + { + type = e_symbol; + value.assign(begin,end); + if (base_begin) + position = static_cast(std::distance(base_begin,begin)); + return (*this); + } + + template + inline token& set_numeric(const Iterator begin, const Iterator end, const Iterator base_begin = Iterator(0)) + { + type = e_number; + value.assign(begin,end); + if (base_begin) + position = static_cast(std::distance(base_begin,begin)); + return (*this); + } + + template + inline token& set_string(const Iterator begin, const Iterator end, const Iterator base_begin = Iterator(0)) + { + type = e_string; + value.assign(begin,end); + if (base_begin) + position = static_cast(std::distance(base_begin,begin)); + return (*this); + } + + inline token& set_string(const std::string& s, const std::size_t p) + { + type = e_string; + value = s; + position = p; + return (*this); + } + + template + inline token& set_error(const token_type et, + const Iterator begin, const Iterator end, + const Iterator base_begin = Iterator(0)) + { + if ( + (e_error == et) || + (e_err_symbol == et) || + (e_err_number == et) || + (e_err_string == et) || + (e_err_sfunc == et) + ) + { + type = et; + } + else + type = e_error; + + value.assign(begin,end); + + if (base_begin) + position = static_cast(std::distance(base_begin,begin)); + + return (*this); + } + + static inline std::string to_str(token_type t) + { + switch (t) + { + case e_none : return "NONE"; + case e_error : return "ERROR"; + case e_err_symbol : return "ERROR_SYMBOL"; + case e_err_number : return "ERROR_NUMBER"; + case e_err_string : return "ERROR_STRING"; + case e_eof : return "EOF"; + case e_number : return "NUMBER"; + case e_symbol : return "SYMBOL"; + case e_string : return "STRING"; + case e_assign : return ":="; + case e_addass : return "+="; + case e_subass : return "-="; + case e_mulass : return "*="; + case e_divass : return "/="; + case e_modass : return "%="; + case e_shr : return ">>"; + case e_shl : return "<<"; + case e_lte : return "<="; + case e_ne : return "!="; + case e_gte : return ">="; + case e_lt : return "<"; + case e_gt : return ">"; + case e_eq : return "="; + case e_rbracket : return ")"; + case e_lbracket : return "("; + case e_rsqrbracket : return "]"; + case e_lsqrbracket : return "["; + case e_rcrlbracket : return "}"; + case e_lcrlbracket : return "{"; + case e_comma : return ","; + case e_add : return "+"; + case e_sub : return "-"; + case e_div : return "/"; + case e_mul : return "*"; + case e_mod : return "%"; + case e_pow : return "^"; + case e_colon : return ":"; + case e_ternary : return "?"; + case e_swap : return "<=>"; + default : return "UNKNOWN"; + } + } + + static inline std::string seperator_to_str(const token_type t) + { + switch (t) + { + case e_comma : return ","; + case e_colon : return ":"; + case e_eof : return ";"; + default : return "UNKNOWN"; + } + + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return "UNKNOWN"; + #endif + } + + inline bool is_error() const + { + return (e_error == type) || + (e_err_symbol == type) || + (e_err_number == type) || + (e_err_string == type) || + (e_err_sfunc == type) ; + } + + token_type type; + std::string value; + std::size_t position; + }; + + class generator + { + public: + + typedef token token_t; + typedef std::vector token_list_t; + typedef token_list_t::iterator token_list_itr_t; + typedef details::char_t char_t; + + generator() + : base_itr_(0) + , s_itr_ (0) + , s_end_ (0) + { + clear(); + } + + inline void clear() + { + base_itr_ = 0; + s_itr_ = 0; + s_end_ = 0; + token_list_.clear(); + token_itr_ = token_list_.end(); + store_token_itr_ = token_list_.end(); + } + + inline bool process(const std::string& str) + { + base_itr_ = str.data(); + s_itr_ = str.data(); + s_end_ = str.data() + str.size(); + + eof_token_.set_operator(token_t::e_eof, s_end_, s_end_, base_itr_); + token_list_.clear(); + + while (!is_end(s_itr_)) + { + scan_token(); + + if (!token_list_.empty() && token_list_.back().is_error()) + return false; + } + + return true; + } + + inline bool empty() const + { + return token_list_.empty(); + } + + inline std::size_t size() const + { + return token_list_.size(); + } + + inline void begin() + { + token_itr_ = token_list_.begin(); + store_token_itr_ = token_list_.begin(); + } + + inline void store() + { + store_token_itr_ = token_itr_; + } + + inline void restore() + { + token_itr_ = store_token_itr_; + } + + inline token_t& next_token() + { + if (token_list_.end() != token_itr_) + { + return *token_itr_++; + } + else + return eof_token_; + } + + inline token_t& peek_next_token() + { + if (token_list_.end() != token_itr_) + { + return *token_itr_; + } + else + return eof_token_; + } + + inline token_t& operator[](const std::size_t& index) + { + if (index < token_list_.size()) + { + return token_list_[index]; + } + else + return eof_token_; + } + + inline token_t operator[](const std::size_t& index) const + { + if (index < token_list_.size()) + { + return token_list_[index]; + } + else + return eof_token_; + } + + inline bool finished() const + { + return (token_list_.end() == token_itr_); + } + + inline void insert_front(token_t::token_type tk_type) + { + if ( + !token_list_.empty() && + (token_list_.end() != token_itr_) + ) + { + token_t t = *token_itr_; + + t.type = tk_type; + token_itr_ = token_list_.insert(token_itr_,t); + } + } + + inline std::string substr(const std::size_t& begin, const std::size_t& end) const + { + const details::char_cptr begin_itr = ((base_itr_ + begin) < s_end_) ? (base_itr_ + begin) : s_end_; + const details::char_cptr end_itr = ((base_itr_ + end ) < s_end_) ? (base_itr_ + end ) : s_end_; + + return std::string(begin_itr,end_itr); + } + + inline std::string remaining() const + { + if (finished()) + return ""; + else if (token_list_.begin() != token_itr_) + return std::string(base_itr_ + (token_itr_ - 1)->position, s_end_); + else + return std::string(base_itr_ + token_itr_->position, s_end_); + } + + private: + + inline bool is_end(details::char_cptr itr) const + { + return (s_end_ == itr); + } + + #ifndef exprtk_disable_comments + inline bool is_comment_start(details::char_cptr itr) const + { + const char_t c0 = *(itr + 0); + const char_t c1 = *(itr + 1); + + if ('#' == c0) + return true; + else if (!is_end(itr + 1)) + { + if (('/' == c0) && ('/' == c1)) return true; + if (('/' == c0) && ('*' == c1)) return true; + } + return false; + } + #else + inline bool is_comment_start(details::char_cptr) const + { + return false; + } + #endif + + inline void skip_whitespace() + { + while (!is_end(s_itr_) && details::is_whitespace(*s_itr_)) + { + ++s_itr_; + } + } + + inline void skip_comments() + { + #ifndef exprtk_disable_comments + // The following comment styles are supported: + // 1. // .... \n + // 2. # .... \n + // 3. /* .... */ + struct test + { + static inline bool comment_start(const char_t c0, const char_t c1, int& mode, int& incr) + { + mode = 0; + if ('#' == c0) { mode = 1; incr = 1; } + else if ('/' == c0) + { + if ('/' == c1) { mode = 1; incr = 2; } + else if ('*' == c1) { mode = 2; incr = 2; } + } + return (0 != mode); + } + + static inline bool comment_end(const char_t c0, const char_t c1, int& mode) + { + if ( + ((1 == mode) && ('\n' == c0)) || + ((2 == mode) && ( '*' == c0) && ('/' == c1)) + ) + { + mode = 0; + return true; + } + else + return false; + } + }; + + int mode = 0; + int increment = 0; + + if (is_end(s_itr_)) + return; + else if (!test::comment_start(*s_itr_, *(s_itr_ + 1), mode, increment)) + return; + + details::char_cptr cmt_start = s_itr_; + + s_itr_ += increment; + + while (!is_end(s_itr_)) + { + if ((1 == mode) && test::comment_end(*s_itr_, 0, mode)) + { + ++s_itr_; + return; + } + + if ((2 == mode)) + { + if (!is_end((s_itr_ + 1)) && test::comment_end(*s_itr_, *(s_itr_ + 1), mode)) + { + s_itr_ += 2; + return; + } + } + + ++s_itr_; + } + + if (2 == mode) + { + token_t t; + t.set_error(token::e_error, cmt_start, cmt_start + mode, base_itr_); + token_list_.push_back(t); + } + #endif + } + + inline bool next_is_digit(const details::char_cptr itr) const + { + return ((itr + 1) != s_end_) && + details::is_digit(*(itr + 1)); + } + + inline void scan_token() + { + const char_t c = *s_itr_; + + if (details::is_whitespace(c)) + { + skip_whitespace(); + return; + } + else if (is_comment_start(s_itr_)) + { + skip_comments(); + return; + } + else if (details::is_operator_char(c)) + { + scan_operator(); + return; + } + else if (details::is_letter(c)) + { + scan_symbol(); + return; + } + else if (('.' == c) && !next_is_digit(s_itr_)) + { + scan_operator(); + return; + } + else if (details::is_digit(c) || ('.' == c)) + { + scan_number(); + return; + } + else if ('$' == c) + { + scan_special_function(); + return; + } + #ifndef exprtk_disable_string_capabilities + else if ('\'' == c) + { + scan_string(); + return; + } + #endif + else if ('~' == c) + { + token_t t; + t.set_symbol(s_itr_, s_itr_ + 1, base_itr_); + token_list_.push_back(t); + ++s_itr_; + return; + } + else + { + token_t t; + t.set_error(token::e_error, s_itr_, s_itr_ + 2, base_itr_); + token_list_.push_back(t); + ++s_itr_; + } + } + + inline void scan_operator() + { + token_t t; + + const char_t c0 = s_itr_[0]; + + if (!is_end(s_itr_ + 1)) + { + const char_t c1 = s_itr_[1]; + + if (!is_end(s_itr_ + 2)) + { + const char_t c2 = s_itr_[2]; + + if ((c0 == '<') && (c1 == '=') && (c2 == '>')) + { + t.set_operator(token_t::e_swap, s_itr_, s_itr_ + 3, base_itr_); + token_list_.push_back(t); + s_itr_ += 3; + return; + } + } + + token_t::token_type ttype = token_t::e_none; + + if ((c0 == '<') && (c1 == '=')) ttype = token_t::e_lte; + else if ((c0 == '>') && (c1 == '=')) ttype = token_t::e_gte; + else if ((c0 == '<') && (c1 == '>')) ttype = token_t::e_ne; + else if ((c0 == '!') && (c1 == '=')) ttype = token_t::e_ne; + else if ((c0 == '=') && (c1 == '=')) ttype = token_t::e_eq; + else if ((c0 == ':') && (c1 == '=')) ttype = token_t::e_assign; + else if ((c0 == '<') && (c1 == '<')) ttype = token_t::e_shl; + else if ((c0 == '>') && (c1 == '>')) ttype = token_t::e_shr; + else if ((c0 == '+') && (c1 == '=')) ttype = token_t::e_addass; + else if ((c0 == '-') && (c1 == '=')) ttype = token_t::e_subass; + else if ((c0 == '*') && (c1 == '=')) ttype = token_t::e_mulass; + else if ((c0 == '/') && (c1 == '=')) ttype = token_t::e_divass; + else if ((c0 == '%') && (c1 == '=')) ttype = token_t::e_modass; + + if (token_t::e_none != ttype) + { + t.set_operator(ttype, s_itr_, s_itr_ + 2, base_itr_); + token_list_.push_back(t); + s_itr_ += 2; + return; + } + } + + if ('<' == c0) + t.set_operator(token_t::e_lt , s_itr_, s_itr_ + 1, base_itr_); + else if ('>' == c0) + t.set_operator(token_t::e_gt , s_itr_, s_itr_ + 1, base_itr_); + else if (';' == c0) + t.set_operator(token_t::e_eof, s_itr_, s_itr_ + 1, base_itr_); + else if ('&' == c0) + t.set_symbol(s_itr_, s_itr_ + 1, base_itr_); + else if ('|' == c0) + t.set_symbol(s_itr_, s_itr_ + 1, base_itr_); + else + t.set_operator(token_t::token_type(c0), s_itr_, s_itr_ + 1, base_itr_); + + token_list_.push_back(t); + ++s_itr_; + } + + inline void scan_symbol() + { + details::char_cptr initial_itr = s_itr_; + + while (!is_end(s_itr_)) + { + if (!details::is_letter_or_digit(*s_itr_) && ('_' != (*s_itr_))) + { + if ('.' != (*s_itr_)) + break; + /* + Permit symbols that contain a 'dot' + Allowed : abc.xyz, a123.xyz, abc.123, abc_.xyz a123_.xyz abc._123 + Disallowed: .abc, abc., abc., abc. + */ + if ( + (s_itr_ != initial_itr) && + !is_end(s_itr_ + 1) && + !details::is_letter_or_digit(*(s_itr_ + 1)) && + ('_' != (*(s_itr_ + 1))) + ) + break; + } + + ++s_itr_; + } + + token_t t; + t.set_symbol(initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + } + + inline void scan_number() + { + /* + Attempt to match a valid numeric value in one of the following formats: + (01) 123456 + (02) 123456. + (03) 123.456 + (04) 123.456e3 + (05) 123.456E3 + (06) 123.456e+3 + (07) 123.456E+3 + (08) 123.456e-3 + (09) 123.456E-3 + (00) .1234 + (11) .1234e3 + (12) .1234E+3 + (13) .1234e+3 + (14) .1234E-3 + (15) .1234e-3 + */ + + details::char_cptr initial_itr = s_itr_; + bool dot_found = false; + bool e_found = false; + bool post_e_sign_found = false; + bool post_e_digit_found = false; + token_t t; + + while (!is_end(s_itr_)) + { + if ('.' == (*s_itr_)) + { + if (dot_found) + { + t.set_error(token::e_err_number, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + dot_found = true; + ++s_itr_; + + continue; + } + else if ('e' == std::tolower(*s_itr_)) + { + const char_t& c = *(s_itr_ + 1); + + if (is_end(s_itr_ + 1)) + { + t.set_error(token::e_err_number, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + else if ( + ('+' != c) && + ('-' != c) && + !details::is_digit(c) + ) + { + t.set_error(token::e_err_number, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + e_found = true; + ++s_itr_; + + continue; + } + else if (e_found && details::is_sign(*s_itr_) && !post_e_digit_found) + { + if (post_e_sign_found) + { + t.set_error(token::e_err_number, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + post_e_sign_found = true; + ++s_itr_; + + continue; + } + else if (e_found && details::is_digit(*s_itr_)) + { + post_e_digit_found = true; + ++s_itr_; + + continue; + } + else if (('.' != (*s_itr_)) && !details::is_digit(*s_itr_)) + break; + else + ++s_itr_; + } + + t.set_numeric(initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + inline void scan_special_function() + { + details::char_cptr initial_itr = s_itr_; + token_t t; + + // $fdd(x,x,x) = at least 11 chars + if (std::distance(s_itr_,s_end_) < 11) + { + t.set_error( + token::e_err_sfunc, + initial_itr, std::min(initial_itr + 11, s_end_), + base_itr_); + token_list_.push_back(t); + + return; + } + + if ( + !(('$' == *s_itr_) && + (details::imatch ('f',*(s_itr_ + 1))) && + (details::is_digit(*(s_itr_ + 2))) && + (details::is_digit(*(s_itr_ + 3)))) + ) + { + t.set_error( + token::e_err_sfunc, + initial_itr, std::min(initial_itr + 4, s_end_), + base_itr_); + token_list_.push_back(t); + + return; + } + + s_itr_ += 4; // $fdd = 4chars + + t.set_symbol(initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + #ifndef exprtk_disable_string_capabilities + inline void scan_string() + { + details::char_cptr initial_itr = s_itr_ + 1; + token_t t; + + if (std::distance(s_itr_,s_end_) < 2) + { + t.set_error(token::e_err_string, s_itr_, s_end_, base_itr_); + token_list_.push_back(t); + + return; + } + + ++s_itr_; + + bool escaped_found = false; + bool escaped = false; + + while (!is_end(s_itr_)) + { + if (!details::is_valid_string_char(*s_itr_)) + { + t.set_error(token::e_err_string, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + else if (!escaped && ('\\' == *s_itr_)) + { + escaped_found = true; + escaped = true; + ++s_itr_; + + continue; + } + else if (!escaped) + { + if ('\'' == *s_itr_) + break; + } + else if (escaped) + { + if ( + !is_end(s_itr_) && ('0' == *(s_itr_)) && + ((s_itr_ + 4) <= s_end_) + ) + { + const bool x_separator = ('X' == std::toupper(*(s_itr_ + 1))); + + const bool both_digits = details::is_hex_digit(*(s_itr_ + 2)) && + details::is_hex_digit(*(s_itr_ + 3)) ; + + if (!(x_separator && both_digits)) + { + t.set_error(token::e_err_string, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + else + s_itr_ += 3; + } + + escaped = false; + } + + ++s_itr_; + } + + if (is_end(s_itr_)) + { + t.set_error(token::e_err_string, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + if (!escaped_found) + t.set_string(initial_itr, s_itr_, base_itr_); + else + { + std::string parsed_string(initial_itr,s_itr_); + + if (!details::cleanup_escapes(parsed_string)) + { + t.set_error(token::e_err_string, initial_itr, s_itr_, base_itr_); + token_list_.push_back(t); + + return; + } + + t.set_string( + parsed_string, + static_cast(std::distance(base_itr_,initial_itr))); + } + + token_list_.push_back(t); + ++s_itr_; + + return; + } + #endif + + private: + + token_list_t token_list_; + token_list_itr_t token_itr_; + token_list_itr_t store_token_itr_; + token_t eof_token_; + details::char_cptr base_itr_; + details::char_cptr s_itr_; + details::char_cptr s_end_; + + friend class token_scanner; + friend class token_modifier; + friend class token_inserter; + friend class token_joiner; + }; // class generator + + class helper_interface + { + public: + + virtual void init() { } + virtual void reset() { } + virtual bool result() { return true; } + virtual std::size_t process(generator&) { return 0; } + virtual ~helper_interface() { } + }; + + class token_scanner : public helper_interface + { + public: + + virtual ~token_scanner() exprtk_override + {} + + explicit token_scanner(const std::size_t& stride) + : stride_(stride) + { + if (stride > 4) + { + throw std::invalid_argument("token_scanner() - Invalid stride value"); + } + } + + inline std::size_t process(generator& g) exprtk_override + { + if (g.token_list_.size() >= stride_) + { + for (std::size_t i = 0; i < (g.token_list_.size() - stride_ + 1); ++i) + { + token t; + + switch (stride_) + { + case 1 : + { + const token& t0 = g.token_list_[i]; + + if (!operator()(t0)) + { + return 0; + } + } + break; + + case 2 : + { + const token& t0 = g.token_list_[i ]; + const token& t1 = g.token_list_[i + 1]; + + if (!operator()(t0, t1)) + { + return 0; + } + } + break; + + case 3 : + { + const token& t0 = g.token_list_[i ]; + const token& t1 = g.token_list_[i + 1]; + const token& t2 = g.token_list_[i + 2]; + + if (!operator()(t0, t1, t2)) + { + return 0; + } + } + break; + + case 4 : + { + const token& t0 = g.token_list_[i ]; + const token& t1 = g.token_list_[i + 1]; + const token& t2 = g.token_list_[i + 2]; + const token& t3 = g.token_list_[i + 3]; + + if (!operator()(t0, t1, t2, t3)) + { + return 0; + } + } + break; + } + } + } + + return 0; + } + + virtual bool operator() (const token&) + { + return false; + } + + virtual bool operator() (const token&, const token&) + { + return false; + } + + virtual bool operator() (const token&, const token&, const token&) + { + return false; + } + + virtual bool operator() (const token&, const token&, const token&, const token&) + { + return false; + } + + private: + + const std::size_t stride_; + }; // class token_scanner + + class token_modifier : public helper_interface + { + public: + + inline std::size_t process(generator& g) exprtk_override + { + std::size_t changes = 0; + + for (std::size_t i = 0; i < g.token_list_.size(); ++i) + { + if (modify(g.token_list_[i])) changes++; + } + + return changes; + } + + virtual bool modify(token& t) = 0; + }; + + class token_inserter : public helper_interface + { + public: + + explicit token_inserter(const std::size_t& stride) + : stride_(stride) + { + if (stride > 5) + { + throw std::invalid_argument("token_inserter() - Invalid stride value"); + } + } + + inline std::size_t process(generator& g) exprtk_override + { + if (g.token_list_.empty()) + return 0; + else if (g.token_list_.size() < stride_) + return 0; + + std::size_t changes = 0; + + typedef std::pair insert_t; + std::vector insert_list; + insert_list.reserve(10000); + + for (std::size_t i = 0; i < (g.token_list_.size() - stride_ + 1); ++i) + { + int insert_index = -1; + token t; + + switch (stride_) + { + case 1 : insert_index = insert(g.token_list_[i],t); + break; + + case 2 : insert_index = insert(g.token_list_[i], g.token_list_[i + 1], t); + break; + + case 3 : insert_index = insert(g.token_list_[i], g.token_list_[i + 1], g.token_list_[i + 2], t); + break; + + case 4 : insert_index = insert(g.token_list_[i], g.token_list_[i + 1], g.token_list_[i + 2], g.token_list_[i + 3], t); + break; + + case 5 : insert_index = insert(g.token_list_[i], g.token_list_[i + 1], g.token_list_[i + 2], g.token_list_[i + 3], g.token_list_[i + 4], t); + break; + } + + if ((insert_index >= 0) && (insert_index <= (static_cast(stride_) + 1))) + { + insert_list.push_back(insert_t(i, t)); + changes++; + } + } + + if (!insert_list.empty()) + { + generator::token_list_t token_list; + + std::size_t insert_index = 0; + + for (std::size_t i = 0; i < g.token_list_.size(); ++i) + { + token_list.push_back(g.token_list_[i]); + + if ( + (insert_index < insert_list.size()) && + (insert_list[insert_index].first == i) + ) + { + token_list.push_back(insert_list[insert_index].second); + insert_index++; + } + } + + std::swap(g.token_list_,token_list); + } + + return changes; + } + + #define token_inserter_empty_body \ + { \ + return -1; \ + } \ + + inline virtual int insert(const token&, token&) + token_inserter_empty_body + + inline virtual int insert(const token&, const token&, token&) + token_inserter_empty_body + + inline virtual int insert(const token&, const token&, const token&, token&) + token_inserter_empty_body + + inline virtual int insert(const token&, const token&, const token&, const token&, token&) + token_inserter_empty_body + + inline virtual int insert(const token&, const token&, const token&, const token&, const token&, token&) + token_inserter_empty_body + + #undef token_inserter_empty_body + + private: + + const std::size_t stride_; + }; + + class token_joiner : public helper_interface + { + public: + + explicit token_joiner(const std::size_t& stride) + : stride_(stride) + {} + + inline std::size_t process(generator& g) exprtk_override + { + if (g.token_list_.empty()) + return 0; + + switch (stride_) + { + case 2 : return process_stride_2(g); + case 3 : return process_stride_3(g); + default : return 0; + } + } + + virtual bool join(const token&, const token&, token&) { return false; } + virtual bool join(const token&, const token&, const token&, token&) { return false; } + + private: + + inline std::size_t process_stride_2(generator& g) + { + if (g.token_list_.size() < 2) + return 0; + + std::size_t changes = 0; + + generator::token_list_t token_list; + token_list.reserve(10000); + + for (int i = 0; i < static_cast(g.token_list_.size() - 1); ++i) + { + token t; + + for ( ; ; ) + { + if (!join(g[i], g[i + 1], t)) + { + token_list.push_back(g[i]); + break; + } + + token_list.push_back(t); + + ++changes; + + i += 2; + + if (static_cast(i) >= (g.token_list_.size() - 1)) + break; + } + } + + token_list.push_back(g.token_list_.back()); + + assert(token_list.size() <= g.token_list_.size()); + + std::swap(token_list, g.token_list_); + + return changes; + } + + inline std::size_t process_stride_3(generator& g) + { + if (g.token_list_.size() < 3) + return 0; + + std::size_t changes = 0; + + generator::token_list_t token_list; + token_list.reserve(10000); + + for (int i = 0; i < static_cast(g.token_list_.size() - 2); ++i) + { + token t; + + for ( ; ; ) + { + if (!join(g[i], g[i + 1], g[i + 2], t)) + { + token_list.push_back(g[i]); + break; + } + + token_list.push_back(t); + + ++changes; + + i += 3; + + if (static_cast(i) >= (g.token_list_.size() - 2)) + break; + } + } + + token_list.push_back(*(g.token_list_.begin() + g.token_list_.size() - 2)); + token_list.push_back(*(g.token_list_.begin() + g.token_list_.size() - 1)); + + assert(token_list.size() <= g.token_list_.size()); + + std::swap(token_list, g.token_list_); + + return changes; + } + + const std::size_t stride_; + }; + + namespace helper + { + + inline void dump(const lexer::generator& generator) + { + for (std::size_t i = 0; i < generator.size(); ++i) + { + const lexer::token& t = generator[i]; + printf("Token[%02d] @ %03d %6s --> '%s'\n", + static_cast(i), + static_cast(t.position), + t.to_str(t.type).c_str(), + t.value.c_str()); + } + } + + class commutative_inserter : public lexer::token_inserter + { + public: + + using lexer::token_inserter::insert; + + commutative_inserter() + : lexer::token_inserter(2) + {} + + inline void ignore_symbol(const std::string& symbol) + { + ignore_set_.insert(symbol); + } + + inline int insert(const lexer::token& t0, const lexer::token& t1, lexer::token& new_token) exprtk_override + { + bool match = false; + new_token.type = lexer::token::e_mul; + new_token.value = "*"; + new_token.position = t1.position; + + if (t0.type == lexer::token::e_symbol) + { + if (ignore_set_.end() != ignore_set_.find(t0.value)) + { + return -1; + } + else if (!t0.value.empty() && ('$' == t0.value[0])) + { + return -1; + } + } + + if (t1.type == lexer::token::e_symbol) + { + if (ignore_set_.end() != ignore_set_.find(t1.value)) + { + return -1; + } + } + if ((t0.type == lexer::token::e_number ) && (t1.type == lexer::token::e_symbol )) match = true; + else if ((t0.type == lexer::token::e_number ) && (t1.type == lexer::token::e_lbracket )) match = true; + else if ((t0.type == lexer::token::e_number ) && (t1.type == lexer::token::e_lcrlbracket)) match = true; + else if ((t0.type == lexer::token::e_number ) && (t1.type == lexer::token::e_lsqrbracket)) match = true; + else if ((t0.type == lexer::token::e_symbol ) && (t1.type == lexer::token::e_number )) match = true; + else if ((t0.type == lexer::token::e_rbracket ) && (t1.type == lexer::token::e_number )) match = true; + else if ((t0.type == lexer::token::e_rcrlbracket) && (t1.type == lexer::token::e_number )) match = true; + else if ((t0.type == lexer::token::e_rsqrbracket) && (t1.type == lexer::token::e_number )) match = true; + else if ((t0.type == lexer::token::e_rbracket ) && (t1.type == lexer::token::e_symbol )) match = true; + else if ((t0.type == lexer::token::e_rcrlbracket) && (t1.type == lexer::token::e_symbol )) match = true; + else if ((t0.type == lexer::token::e_rsqrbracket) && (t1.type == lexer::token::e_symbol )) match = true; + else if ((t0.type == lexer::token::e_symbol ) && (t1.type == lexer::token::e_symbol )) match = true; + + return (match) ? 1 : -1; + } + + private: + + std::set ignore_set_; + }; + + class operator_joiner exprtk_final : public token_joiner + { + public: + + explicit operator_joiner(const std::size_t& stride) + : token_joiner(stride) + {} + + inline bool join(const lexer::token& t0, const lexer::token& t1, lexer::token& t) exprtk_override + { + // ': =' --> ':=' + if ((t0.type == lexer::token::e_colon) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_assign; + t.value = ":="; + t.position = t0.position; + + return true; + } + // '+ =' --> '+=' + else if ((t0.type == lexer::token::e_add) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_addass; + t.value = "+="; + t.position = t0.position; + + return true; + } + // '- =' --> '-=' + else if ((t0.type == lexer::token::e_sub) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_subass; + t.value = "-="; + t.position = t0.position; + + return true; + } + // '* =' --> '*=' + else if ((t0.type == lexer::token::e_mul) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_mulass; + t.value = "*="; + t.position = t0.position; + + return true; + } + // '/ =' --> '/=' + else if ((t0.type == lexer::token::e_div) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_divass; + t.value = "/="; + t.position = t0.position; + + return true; + } + // '% =' --> '%=' + else if ((t0.type == lexer::token::e_mod) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_modass; + t.value = "%="; + t.position = t0.position; + + return true; + } + // '> =' --> '>=' + else if ((t0.type == lexer::token::e_gt) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_gte; + t.value = ">="; + t.position = t0.position; + + return true; + } + // '< =' --> '<=' + else if ((t0.type == lexer::token::e_lt) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_lte; + t.value = "<="; + t.position = t0.position; + + return true; + } + // '= =' --> '==' + else if ((t0.type == lexer::token::e_eq) && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_eq; + t.value = "=="; + t.position = t0.position; + + return true; + } + // '! =' --> '!=' + else if ((static_cast(t0.type) == '!') && (t1.type == lexer::token::e_eq)) + { + t.type = lexer::token::e_ne; + t.value = "!="; + t.position = t0.position; + + return true; + } + // '< >' --> '<>' + else if ((t0.type == lexer::token::e_lt) && (t1.type == lexer::token::e_gt)) + { + t.type = lexer::token::e_ne; + t.value = "<>"; + t.position = t0.position; + + return true; + } + // '<= >' --> '<=>' + else if ((t0.type == lexer::token::e_lte) && (t1.type == lexer::token::e_gt)) + { + t.type = lexer::token::e_swap; + t.value = "<=>"; + t.position = t0.position; + + return true; + } + // '+ -' --> '-' + else if ((t0.type == lexer::token::e_add) && (t1.type == lexer::token::e_sub)) + { + t.type = lexer::token::e_sub; + t.value = "-"; + t.position = t0.position; + + return true; + } + // '- +' --> '-' + else if ((t0.type == lexer::token::e_sub) && (t1.type == lexer::token::e_add)) + { + t.type = lexer::token::e_sub; + t.value = "-"; + t.position = t0.position; + + return true; + } + // '- -' --> '+' + else if ((t0.type == lexer::token::e_sub) && (t1.type == lexer::token::e_sub)) + { + /* + Note: May need to reconsider this when wanting to implement + pre/postfix decrement operator + */ + t.type = lexer::token::e_add; + t.value = "+"; + t.position = t0.position; + + return true; + } + else + return false; + } + + inline bool join(const lexer::token& t0, + const lexer::token& t1, + const lexer::token& t2, + lexer::token& t) exprtk_override + { + // '[ * ]' --> '[*]' + if ( + (t0.type == lexer::token::e_lsqrbracket) && + (t1.type == lexer::token::e_mul ) && + (t2.type == lexer::token::e_rsqrbracket) + ) + { + t.type = lexer::token::e_symbol; + t.value = "[*]"; + t.position = t0.position; + + return true; + } + else + return false; + } + }; + + class bracket_checker exprtk_final : public lexer::token_scanner + { + public: + + using lexer::token_scanner::operator(); + + bracket_checker() + : token_scanner(1) + , state_(true) + {} + + bool result() exprtk_override + { + if (!stack_.empty()) + { + lexer::token t; + t.value = stack_.top().first; + t.position = stack_.top().second; + error_token_ = t; + state_ = false; + + return false; + } + else + return state_; + } + + lexer::token error_token() const + { + return error_token_; + } + + void reset() exprtk_override + { + // Why? because msvc doesn't support swap properly. + stack_ = std::stack >(); + state_ = true; + error_token_.clear(); + } + + bool operator() (const lexer::token& t) exprtk_override + { + if ( + !t.value.empty() && + (lexer::token::e_string != t.type) && + (lexer::token::e_symbol != t.type) && + exprtk::details::is_bracket(t.value[0]) + ) + { + details::char_t c = t.value[0]; + + if (t.type == lexer::token::e_lbracket ) stack_.push(std::make_pair(')',t.position)); + else if (t.type == lexer::token::e_lcrlbracket) stack_.push(std::make_pair('}',t.position)); + else if (t.type == lexer::token::e_lsqrbracket) stack_.push(std::make_pair(']',t.position)); + else if (exprtk::details::is_right_bracket(c)) + { + if (stack_.empty()) + { + state_ = false; + error_token_ = t; + + return false; + } + else if (c != stack_.top().first) + { + state_ = false; + error_token_ = t; + + return false; + } + else + stack_.pop(); + } + } + + return true; + } + + private: + + bool state_; + std::stack > stack_; + lexer::token error_token_; + }; + + template + class numeric_checker exprtk_final : public lexer::token_scanner + { + public: + + using lexer::token_scanner::operator(); + + numeric_checker() + : token_scanner (1) + , current_index_(0) + {} + + bool result() exprtk_override + { + return error_list_.empty(); + } + + void reset() exprtk_override + { + error_list_.clear(); + current_index_ = 0; + } + + bool operator() (const lexer::token& t) exprtk_override + { + if (token::e_number == t.type) + { + T v; + + if (!exprtk::details::string_to_real(t.value,v)) + { + error_list_.push_back(current_index_); + } + } + + ++current_index_; + + return true; + } + + std::size_t error_count() const + { + return error_list_.size(); + } + + std::size_t error_index(const std::size_t& i) const + { + if (i < error_list_.size()) + return error_list_[i]; + else + return std::numeric_limits::max(); + } + + void clear_errors() + { + error_list_.clear(); + } + + private: + + std::size_t current_index_; + std::vector error_list_; + }; + + class symbol_replacer exprtk_final : public lexer::token_modifier + { + private: + + typedef std::map,details::ilesscompare> replace_map_t; + + public: + + bool remove(const std::string& target_symbol) + { + const replace_map_t::iterator itr = replace_map_.find(target_symbol); + + if (replace_map_.end() == itr) + return false; + + replace_map_.erase(itr); + + return true; + } + + bool add_replace(const std::string& target_symbol, + const std::string& replace_symbol, + const lexer::token::token_type token_type = lexer::token::e_symbol) + { + const replace_map_t::iterator itr = replace_map_.find(target_symbol); + + if (replace_map_.end() != itr) + { + return false; + } + + replace_map_[target_symbol] = std::make_pair(replace_symbol,token_type); + + return true; + } + + void clear() + { + replace_map_.clear(); + } + + private: + + bool modify(lexer::token& t) exprtk_override + { + if (lexer::token::e_symbol == t.type) + { + if (replace_map_.empty()) + return false; + + const replace_map_t::iterator itr = replace_map_.find(t.value); + + if (replace_map_.end() != itr) + { + t.value = itr->second.first; + t.type = itr->second.second; + + return true; + } + } + + return false; + } + + replace_map_t replace_map_; + }; + + class sequence_validator exprtk_final : public lexer::token_scanner + { + private: + + typedef std::pair token_pair_t; + typedef std::set set_t; + + public: + + using lexer::token_scanner::operator(); + + sequence_validator() + : lexer::token_scanner(2) + { + add_invalid(lexer::token::e_number, lexer::token::e_number); + add_invalid(lexer::token::e_string, lexer::token::e_string); + add_invalid(lexer::token::e_number, lexer::token::e_string); + add_invalid(lexer::token::e_string, lexer::token::e_number); + + add_invalid_set1(lexer::token::e_assign ); + add_invalid_set1(lexer::token::e_shr ); + add_invalid_set1(lexer::token::e_shl ); + add_invalid_set1(lexer::token::e_lte ); + add_invalid_set1(lexer::token::e_ne ); + add_invalid_set1(lexer::token::e_gte ); + add_invalid_set1(lexer::token::e_lt ); + add_invalid_set1(lexer::token::e_gt ); + add_invalid_set1(lexer::token::e_eq ); + add_invalid_set1(lexer::token::e_comma ); + add_invalid_set1(lexer::token::e_add ); + add_invalid_set1(lexer::token::e_sub ); + add_invalid_set1(lexer::token::e_div ); + add_invalid_set1(lexer::token::e_mul ); + add_invalid_set1(lexer::token::e_mod ); + add_invalid_set1(lexer::token::e_pow ); + add_invalid_set1(lexer::token::e_colon ); + add_invalid_set1(lexer::token::e_ternary); + } + + bool result() exprtk_override + { + return error_list_.empty(); + } + + bool operator() (const lexer::token& t0, const lexer::token& t1) exprtk_override + { + const set_t::value_type p = std::make_pair(t0.type,t1.type); + + if (invalid_bracket_check(t0.type,t1.type)) + { + error_list_.push_back(std::make_pair(t0,t1)); + } + else if (invalid_comb_.find(p) != invalid_comb_.end()) + { + error_list_.push_back(std::make_pair(t0,t1)); + } + + return true; + } + + std::size_t error_count() const + { + return error_list_.size(); + } + + std::pair error(const std::size_t index) + { + if (index < error_list_.size()) + { + return error_list_[index]; + } + else + { + static const lexer::token error_token; + return std::make_pair(error_token,error_token); + } + } + + void clear_errors() + { + error_list_.clear(); + } + + private: + + void add_invalid(const lexer::token::token_type base, const lexer::token::token_type t) + { + invalid_comb_.insert(std::make_pair(base,t)); + } + + void add_invalid_set1(const lexer::token::token_type t) + { + add_invalid(t, lexer::token::e_assign); + add_invalid(t, lexer::token::e_shr ); + add_invalid(t, lexer::token::e_shl ); + add_invalid(t, lexer::token::e_lte ); + add_invalid(t, lexer::token::e_ne ); + add_invalid(t, lexer::token::e_gte ); + add_invalid(t, lexer::token::e_lt ); + add_invalid(t, lexer::token::e_gt ); + add_invalid(t, lexer::token::e_eq ); + add_invalid(t, lexer::token::e_comma ); + add_invalid(t, lexer::token::e_div ); + add_invalid(t, lexer::token::e_mul ); + add_invalid(t, lexer::token::e_mod ); + add_invalid(t, lexer::token::e_pow ); + add_invalid(t, lexer::token::e_colon ); + } + + bool invalid_bracket_check(const lexer::token::token_type base, const lexer::token::token_type t) + { + if (details::is_right_bracket(static_cast(base))) + { + switch (t) + { + case lexer::token::e_assign : return (']' != base); + case lexer::token::e_string : return (')' != base); + default : return false; + } + } + else if (details::is_left_bracket(static_cast(base))) + { + if (details::is_right_bracket(static_cast(t))) + return false; + else if (details::is_left_bracket(static_cast(t))) + return false; + else + { + switch (t) + { + case lexer::token::e_number : return false; + case lexer::token::e_symbol : return false; + case lexer::token::e_string : return false; + case lexer::token::e_add : return false; + case lexer::token::e_sub : return false; + case lexer::token::e_colon : return false; + case lexer::token::e_ternary : return false; + default : return true ; + } + } + } + else if (details::is_right_bracket(static_cast(t))) + { + switch (base) + { + case lexer::token::e_number : return false; + case lexer::token::e_symbol : return false; + case lexer::token::e_string : return false; + case lexer::token::e_eof : return false; + case lexer::token::e_colon : return false; + case lexer::token::e_ternary : return false; + default : return true ; + } + } + else if (details::is_left_bracket(static_cast(t))) + { + switch (base) + { + case lexer::token::e_rbracket : return true; + case lexer::token::e_rsqrbracket : return true; + case lexer::token::e_rcrlbracket : return true; + default : return false; + } + } + + return false; + } + + set_t invalid_comb_; + std::vector > error_list_; + }; + + class sequence_validator_3tokens exprtk_final : public lexer::token_scanner + { + private: + + typedef lexer::token::token_type token_t; + typedef std::pair > token_triplet_t; + typedef std::set set_t; + + public: + + using lexer::token_scanner::operator(); + + sequence_validator_3tokens() + : lexer::token_scanner(3) + { + add_invalid(lexer::token::e_number , lexer::token::e_number , lexer::token::e_number); + add_invalid(lexer::token::e_string , lexer::token::e_string , lexer::token::e_string); + add_invalid(lexer::token::e_comma , lexer::token::e_comma , lexer::token::e_comma ); + + add_invalid(lexer::token::e_add , lexer::token::e_add , lexer::token::e_add ); + add_invalid(lexer::token::e_sub , lexer::token::e_sub , lexer::token::e_sub ); + add_invalid(lexer::token::e_div , lexer::token::e_div , lexer::token::e_div ); + add_invalid(lexer::token::e_mul , lexer::token::e_mul , lexer::token::e_mul ); + add_invalid(lexer::token::e_mod , lexer::token::e_mod , lexer::token::e_mod ); + add_invalid(lexer::token::e_pow , lexer::token::e_pow , lexer::token::e_pow ); + + add_invalid(lexer::token::e_add , lexer::token::e_sub , lexer::token::e_add ); + add_invalid(lexer::token::e_sub , lexer::token::e_add , lexer::token::e_sub ); + add_invalid(lexer::token::e_div , lexer::token::e_mul , lexer::token::e_div ); + add_invalid(lexer::token::e_mul , lexer::token::e_div , lexer::token::e_mul ); + add_invalid(lexer::token::e_mod , lexer::token::e_pow , lexer::token::e_mod ); + add_invalid(lexer::token::e_pow , lexer::token::e_mod , lexer::token::e_pow ); + } + + bool result() exprtk_override + { + return error_list_.empty(); + } + + bool operator() (const lexer::token& t0, const lexer::token& t1, const lexer::token& t2) exprtk_override + { + const set_t::value_type p = std::make_pair(t0.type,std::make_pair(t1.type,t2.type)); + + if (invalid_comb_.find(p) != invalid_comb_.end()) + { + error_list_.push_back(std::make_pair(t0,t1)); + } + + return true; + } + + std::size_t error_count() const + { + return error_list_.size(); + } + + std::pair error(const std::size_t index) + { + if (index < error_list_.size()) + { + return error_list_[index]; + } + else + { + static const lexer::token error_token; + return std::make_pair(error_token,error_token); + } + } + + void clear_errors() + { + error_list_.clear(); + } + + private: + + void add_invalid(const token_t t0, const token_t t1, const token_t t2) + { + invalid_comb_.insert(std::make_pair(t0,std::make_pair(t1,t2))); + } + + set_t invalid_comb_; + std::vector > error_list_; + }; + + struct helper_assembly + { + inline bool register_scanner(lexer::token_scanner* scanner) + { + if (token_scanner_list.end() != std::find(token_scanner_list.begin(), + token_scanner_list.end (), + scanner)) + { + return false; + } + + token_scanner_list.push_back(scanner); + + return true; + } + + inline bool register_modifier(lexer::token_modifier* modifier) + { + if (token_modifier_list.end() != std::find(token_modifier_list.begin(), + token_modifier_list.end (), + modifier)) + { + return false; + } + + token_modifier_list.push_back(modifier); + + return true; + } + + inline bool register_joiner(lexer::token_joiner* joiner) + { + if (token_joiner_list.end() != std::find(token_joiner_list.begin(), + token_joiner_list.end (), + joiner)) + { + return false; + } + + token_joiner_list.push_back(joiner); + + return true; + } + + inline bool register_inserter(lexer::token_inserter* inserter) + { + if (token_inserter_list.end() != std::find(token_inserter_list.begin(), + token_inserter_list.end (), + inserter)) + { + return false; + } + + token_inserter_list.push_back(inserter); + + return true; + } + + inline bool run_modifiers(lexer::generator& g) + { + error_token_modifier = reinterpret_cast(0); + + for (std::size_t i = 0; i < token_modifier_list.size(); ++i) + { + lexer::token_modifier& modifier = (*token_modifier_list[i]); + + modifier.reset(); + modifier.process(g); + + if (!modifier.result()) + { + error_token_modifier = token_modifier_list[i]; + + return false; + } + } + + return true; + } + + inline bool run_joiners(lexer::generator& g) + { + error_token_joiner = reinterpret_cast(0); + + for (std::size_t i = 0; i < token_joiner_list.size(); ++i) + { + lexer::token_joiner& joiner = (*token_joiner_list[i]); + + joiner.reset(); + joiner.process(g); + + if (!joiner.result()) + { + error_token_joiner = token_joiner_list[i]; + + return false; + } + } + + return true; + } + + inline bool run_inserters(lexer::generator& g) + { + error_token_inserter = reinterpret_cast(0); + + for (std::size_t i = 0; i < token_inserter_list.size(); ++i) + { + lexer::token_inserter& inserter = (*token_inserter_list[i]); + + inserter.reset(); + inserter.process(g); + + if (!inserter.result()) + { + error_token_inserter = token_inserter_list[i]; + + return false; + } + } + + return true; + } + + inline bool run_scanners(lexer::generator& g) + { + error_token_scanner = reinterpret_cast(0); + + for (std::size_t i = 0; i < token_scanner_list.size(); ++i) + { + lexer::token_scanner& scanner = (*token_scanner_list[i]); + + scanner.reset(); + scanner.process(g); + + if (!scanner.result()) + { + error_token_scanner = token_scanner_list[i]; + + return false; + } + } + + return true; + } + + std::vector token_scanner_list; + std::vector token_modifier_list; + std::vector token_joiner_list; + std::vector token_inserter_list; + + lexer::token_scanner* error_token_scanner; + lexer::token_modifier* error_token_modifier; + lexer::token_joiner* error_token_joiner; + lexer::token_inserter* error_token_inserter; + }; + } + + class parser_helper + { + public: + + typedef token token_t; + typedef generator generator_t; + + inline bool init(const std::string& str) + { + if (!lexer_.process(str)) + { + return false; + } + + lexer_.begin(); + + next_token(); + + return true; + } + + inline generator_t& lexer() + { + return lexer_; + } + + inline const generator_t& lexer() const + { + return lexer_; + } + + inline void store_token() + { + lexer_.store(); + store_current_token_ = current_token_; + } + + inline void restore_token() + { + lexer_.restore(); + current_token_ = store_current_token_; + } + + inline void next_token() + { + current_token_ = lexer_.next_token(); + } + + inline const token_t& current_token() const + { + return current_token_; + } + + inline const token_t& peek_next_token() + { + return lexer_.peek_next_token(); + } + + enum token_advance_mode + { + e_hold = 0, + e_advance = 1 + }; + + inline void advance_token(const token_advance_mode mode) + { + if (e_advance == mode) + { + next_token(); + } + } + + inline bool token_is(const token_t::token_type& ttype, const token_advance_mode mode = e_advance) + { + if (current_token().type != ttype) + { + return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is(const token_t::token_type& ttype, + const std::string& value, + const token_advance_mode mode = e_advance) + { + if ( + (current_token().type != ttype) || + !exprtk::details::imatch(value,current_token().value) + ) + { + return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is(const std::string& value, + const token_advance_mode mode = e_advance) + { + if (!exprtk::details::imatch(value,current_token().value)) + { + return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_arithmetic_opr(const token_advance_mode mode = e_advance) + { + switch (current_token().type) + { + case token_t::e_add : + case token_t::e_sub : + case token_t::e_div : + case token_t::e_mul : + case token_t::e_mod : + case token_t::e_pow : break; + default : return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_ineq_opr(const token_advance_mode mode = e_advance) + { + switch (current_token().type) + { + case token_t::e_eq : + case token_t::e_lte : + case token_t::e_ne : + case token_t::e_gte : + case token_t::e_lt : + case token_t::e_gt : break; + default : return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_left_bracket(const token_advance_mode mode = e_advance) + { + switch (current_token().type) + { + case token_t::e_lbracket : + case token_t::e_lcrlbracket : + case token_t::e_lsqrbracket : break; + default : return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_right_bracket(const token_advance_mode mode = e_advance) + { + switch (current_token().type) + { + case token_t::e_rbracket : + case token_t::e_rcrlbracket : + case token_t::e_rsqrbracket : break; + default : return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_bracket(const token_advance_mode mode = e_advance) + { + switch (current_token().type) + { + case token_t::e_rbracket : + case token_t::e_rcrlbracket : + case token_t::e_rsqrbracket : + case token_t::e_lbracket : + case token_t::e_lcrlbracket : + case token_t::e_lsqrbracket : break; + default : return false; + } + + advance_token(mode); + + return true; + } + + inline bool token_is_loop(const token_advance_mode mode = e_advance) + { + return token_is("for" , mode) || + token_is("while" , mode) || + token_is("repeat", mode) ; + } + + inline bool peek_token_is(const token_t::token_type& ttype) + { + return (lexer_.peek_next_token().type == ttype); + } + + inline bool peek_token_is(const std::string& s) + { + return (exprtk::details::imatch(lexer_.peek_next_token().value,s)); + } + + private: + + generator_t lexer_; + token_t current_token_; + token_t store_current_token_; + }; + } + + template + class vector_view + { + public: + + typedef T* data_ptr_t; + + vector_view(data_ptr_t data, const std::size_t& size) + : base_size_(size) + , size_(size) + , data_(data) + , data_ref_(0) + { + assert(size_ > 0); + } + + vector_view(const vector_view& vv) + : base_size_(vv.base_size_) + , size_(vv.size_) + , data_(vv.data_) + , data_ref_(0) + { + assert(size_ > 0); + } + + inline void rebase(data_ptr_t data) + { + data_ = data; + + if (!data_ref_.empty()) + { + for (std::size_t i = 0; i < data_ref_.size(); ++i) + { + (*data_ref_[i]) = data; + } + } + } + + inline data_ptr_t data() const + { + return data_; + } + + inline std::size_t base_size() const + { + return base_size_; + } + + inline std::size_t size() const + { + return size_; + } + + inline const T& operator[](const std::size_t index) const + { + assert(index < size_); + return data_[index]; + } + + inline T& operator[](const std::size_t index) + { + assert(index < size_); + return data_[index]; + } + + void set_ref(data_ptr_t* data_ref) + { + data_ref_.push_back(data_ref); + exprtk_debug(("vector_view::set_ref() - data_ref: %p data_ref_.size(): %d\n", + reinterpret_cast(data_ref), + static_cast(data_ref_.size()))); + } + + void remove_ref(data_ptr_t* data_ref) + { + data_ref_.erase( + std::remove(data_ref_.begin(), data_ref_.end(), data_ref), + data_ref_.end()); + exprtk_debug(("vector_view::remove_ref() - data_ref: %p data_ref_.size(): %d\n", + reinterpret_cast(data_ref), + static_cast(data_ref_.size()))); + } + + bool set_size(const std::size_t new_size) + { + if ((new_size > 0) && (new_size <= base_size_)) + { + size_ = new_size; + exprtk_debug(("vector_view::set_size() - data_: %p size: %lu\n", + reinterpret_cast(data_), + size_)); + return true; + } + + exprtk_debug(("vector_view::set_size() - error invalid new_size: %lu base_size: %lu\n", + new_size, + base_size_)); + return false; + } + + private: + + const std::size_t base_size_; + std::size_t size_; + data_ptr_t data_; + std::vector data_ref_; + }; + + template + inline vector_view make_vector_view(T* data, + const std::size_t size, const std::size_t offset = 0) + { + return vector_view(data + offset, size); + } + + template + inline vector_view make_vector_view(std::vector& v, + const std::size_t size, const std::size_t offset = 0) + { + return vector_view(v.data() + offset, size); + } + + template class results_context; + + template + struct type_store + { + enum store_type + { + e_unknown, + e_scalar , + e_vector , + e_string + }; + + type_store() + : data(0) + , size(0) + , type(e_unknown) + {} + + union + { + void* data; + T* vec_data; + }; + + std::size_t size; + store_type type; + + class parameter_list + { + public: + + explicit parameter_list(std::vector& pl) + : parameter_list_(pl) + {} + + inline bool empty() const + { + return parameter_list_.empty(); + } + + inline std::size_t size() const + { + return parameter_list_.size(); + } + + inline type_store& operator[](const std::size_t& index) + { + return parameter_list_[index]; + } + + inline const type_store& operator[](const std::size_t& index) const + { + return parameter_list_[index]; + } + + inline type_store& front() + { + return parameter_list_[0]; + } + + inline const type_store& front() const + { + return parameter_list_[0]; + } + + inline type_store& back() + { + return parameter_list_.back(); + } + + inline const type_store& back() const + { + return parameter_list_.back(); + } + + private: + + std::vector& parameter_list_; + + friend class results_context; + }; + + template + struct type_view + { + typedef type_store type_store_t; + typedef ViewType value_t; + + explicit type_view(type_store_t& ts) + : ts_(ts) + , data_(reinterpret_cast(ts_.data)) + {} + + explicit type_view(const type_store_t& ts) + : ts_(const_cast(ts)) + , data_(reinterpret_cast(ts_.data)) + {} + + inline std::size_t size() const + { + return ts_.size; + } + + inline value_t& operator[](const std::size_t& i) + { + return data_[i]; + } + + inline const value_t& operator[](const std::size_t& i) const + { + return data_[i]; + } + + inline const value_t* begin() const { return data_; } + inline value_t* begin() { return data_; } + + inline const value_t* end() const + { + return static_cast(data_ + ts_.size); + } + + inline value_t* end() + { + return static_cast(data_ + ts_.size); + } + + type_store_t& ts_; + value_t* data_; + }; + + typedef type_view vector_view; + typedef type_view string_view; + + struct scalar_view + { + typedef type_store type_store_t; + typedef T value_t; + + explicit scalar_view(type_store_t& ts) + : v_(*reinterpret_cast(ts.data)) + {} + + explicit scalar_view(const type_store_t& ts) + : v_(*reinterpret_cast(const_cast(ts).data)) + {} + + inline value_t& operator() () + { + return v_; + } + + inline const value_t& operator() () const + { + return v_; + } + + inline operator value_t() const + { + return v_; + } + + inline operator value_t() + { + return v_; + } + + template + inline bool to_int(IntType& i) const + { + if (!exprtk::details::numeric::is_integer(v_)) + return false; + + i = static_cast(v_); + + return true; + } + + template + inline bool to_uint(UIntType& u) const + { + if (v_ < T(0)) + return false; + else if (!exprtk::details::numeric::is_integer(v_)) + return false; + + u = static_cast(v_); + + return true; + } + + T& v_; + }; + }; + + template + inline std::string to_str(const StringView& view) + { + return std::string(view.begin(),view.size()); + } + + #ifndef exprtk_disable_return_statement + namespace details + { + template class return_node; + template class return_envelope_node; + } + #endif + + template + class results_context + { + public: + + typedef type_store type_store_t; + typedef typename type_store_t::scalar_view scalar_t; + typedef typename type_store_t::vector_view vector_t; + typedef typename type_store_t::string_view string_t; + + results_context() + : results_available_(false) + {} + + inline std::size_t count() const + { + if (results_available_) + return parameter_list_.size(); + else + return 0; + } + + inline type_store_t& operator[](const std::size_t& index) + { + return parameter_list_[index]; + } + + inline const type_store_t& operator[](const std::size_t& index) const + { + return parameter_list_[index]; + } + + inline bool get_scalar(const std::size_t& index, T& out) const + { + if ( + (index < parameter_list_.size()) && + (parameter_list_[index].type == type_store_t::e_scalar) + ) + { + const scalar_t scalar(parameter_list_[index]); + out = scalar(); + return true; + } + + return false; + } + + template + inline bool get_vector(const std::size_t& index, OutputIterator out_itr) const + { + if ( + (index < parameter_list_.size()) && + (parameter_list_[index].type == type_store_t::e_vector) + ) + { + const vector_t vector(parameter_list_[index]); + for (std::size_t i = 0; i < vector.size(); ++i) + { + *(out_itr++) = vector[i]; + } + + return true; + } + + return false; + } + + inline bool get_vector(const std::size_t& index, std::vector& out) const + { + return get_vector(index,std::back_inserter(out)); + } + + inline bool get_string(const std::size_t& index, std::string& out) const + { + if ( + (index < parameter_list_.size()) && + (parameter_list_[index].type == type_store_t::e_string) + ) + { + const string_t str(parameter_list_[index]); + out.assign(str.begin(),str.size()); + return true; + } + + return false; + } + + private: + + inline void clear() + { + results_available_ = false; + } + + typedef std::vector ts_list_t; + typedef typename type_store_t::parameter_list parameter_list_t; + + inline void assign(const parameter_list_t& pl) + { + parameter_list_ = pl.parameter_list_; + results_available_ = true; + } + + bool results_available_; + ts_list_t parameter_list_; + + #ifndef exprtk_disable_return_statement + friend class details::return_node; + friend class details::return_envelope_node; + #endif + }; + + namespace details + { + enum operator_type + { + e_default , e_null , e_add , e_sub , + e_mul , e_div , e_mod , e_pow , + e_atan2 , e_min , e_max , e_avg , + e_sum , e_prod , e_lt , e_lte , + e_eq , e_equal , e_ne , e_nequal , + e_gte , e_gt , e_and , e_nand , + e_or , e_nor , e_xor , e_xnor , + e_mand , e_mor , e_scand , e_scor , + e_shr , e_shl , e_abs , e_acos , + e_acosh , e_asin , e_asinh , e_atan , + e_atanh , e_ceil , e_cos , e_cosh , + e_exp , e_expm1 , e_floor , e_log , + e_log10 , e_log2 , e_log1p , e_logn , + e_neg , e_pos , e_round , e_roundn , + e_root , e_sqrt , e_sin , e_sinc , + e_sinh , e_sec , e_csc , e_tan , + e_tanh , e_cot , e_clamp , e_iclamp , + e_inrange , e_sgn , e_r2d , e_d2r , + e_d2g , e_g2d , e_hypot , e_notl , + e_erf , e_erfc , e_ncdf , e_frac , + e_trunc , e_assign , e_addass , e_subass , + e_mulass , e_divass , e_modass , e_in , + e_like , e_ilike , e_multi , e_smulti , + e_swap , + + // Do not add new functions/operators after this point. + e_sf00 = 1000, e_sf01 = 1001, e_sf02 = 1002, e_sf03 = 1003, + e_sf04 = 1004, e_sf05 = 1005, e_sf06 = 1006, e_sf07 = 1007, + e_sf08 = 1008, e_sf09 = 1009, e_sf10 = 1010, e_sf11 = 1011, + e_sf12 = 1012, e_sf13 = 1013, e_sf14 = 1014, e_sf15 = 1015, + e_sf16 = 1016, e_sf17 = 1017, e_sf18 = 1018, e_sf19 = 1019, + e_sf20 = 1020, e_sf21 = 1021, e_sf22 = 1022, e_sf23 = 1023, + e_sf24 = 1024, e_sf25 = 1025, e_sf26 = 1026, e_sf27 = 1027, + e_sf28 = 1028, e_sf29 = 1029, e_sf30 = 1030, e_sf31 = 1031, + e_sf32 = 1032, e_sf33 = 1033, e_sf34 = 1034, e_sf35 = 1035, + e_sf36 = 1036, e_sf37 = 1037, e_sf38 = 1038, e_sf39 = 1039, + e_sf40 = 1040, e_sf41 = 1041, e_sf42 = 1042, e_sf43 = 1043, + e_sf44 = 1044, e_sf45 = 1045, e_sf46 = 1046, e_sf47 = 1047, + e_sf48 = 1048, e_sf49 = 1049, e_sf50 = 1050, e_sf51 = 1051, + e_sf52 = 1052, e_sf53 = 1053, e_sf54 = 1054, e_sf55 = 1055, + e_sf56 = 1056, e_sf57 = 1057, e_sf58 = 1058, e_sf59 = 1059, + e_sf60 = 1060, e_sf61 = 1061, e_sf62 = 1062, e_sf63 = 1063, + e_sf64 = 1064, e_sf65 = 1065, e_sf66 = 1066, e_sf67 = 1067, + e_sf68 = 1068, e_sf69 = 1069, e_sf70 = 1070, e_sf71 = 1071, + e_sf72 = 1072, e_sf73 = 1073, e_sf74 = 1074, e_sf75 = 1075, + e_sf76 = 1076, e_sf77 = 1077, e_sf78 = 1078, e_sf79 = 1079, + e_sf80 = 1080, e_sf81 = 1081, e_sf82 = 1082, e_sf83 = 1083, + e_sf84 = 1084, e_sf85 = 1085, e_sf86 = 1086, e_sf87 = 1087, + e_sf88 = 1088, e_sf89 = 1089, e_sf90 = 1090, e_sf91 = 1091, + e_sf92 = 1092, e_sf93 = 1093, e_sf94 = 1094, e_sf95 = 1095, + e_sf96 = 1096, e_sf97 = 1097, e_sf98 = 1098, e_sf99 = 1099, + e_sffinal = 1100, + e_sf4ext00 = 2000, e_sf4ext01 = 2001, e_sf4ext02 = 2002, e_sf4ext03 = 2003, + e_sf4ext04 = 2004, e_sf4ext05 = 2005, e_sf4ext06 = 2006, e_sf4ext07 = 2007, + e_sf4ext08 = 2008, e_sf4ext09 = 2009, e_sf4ext10 = 2010, e_sf4ext11 = 2011, + e_sf4ext12 = 2012, e_sf4ext13 = 2013, e_sf4ext14 = 2014, e_sf4ext15 = 2015, + e_sf4ext16 = 2016, e_sf4ext17 = 2017, e_sf4ext18 = 2018, e_sf4ext19 = 2019, + e_sf4ext20 = 2020, e_sf4ext21 = 2021, e_sf4ext22 = 2022, e_sf4ext23 = 2023, + e_sf4ext24 = 2024, e_sf4ext25 = 2025, e_sf4ext26 = 2026, e_sf4ext27 = 2027, + e_sf4ext28 = 2028, e_sf4ext29 = 2029, e_sf4ext30 = 2030, e_sf4ext31 = 2031, + e_sf4ext32 = 2032, e_sf4ext33 = 2033, e_sf4ext34 = 2034, e_sf4ext35 = 2035, + e_sf4ext36 = 2036, e_sf4ext37 = 2037, e_sf4ext38 = 2038, e_sf4ext39 = 2039, + e_sf4ext40 = 2040, e_sf4ext41 = 2041, e_sf4ext42 = 2042, e_sf4ext43 = 2043, + e_sf4ext44 = 2044, e_sf4ext45 = 2045, e_sf4ext46 = 2046, e_sf4ext47 = 2047, + e_sf4ext48 = 2048, e_sf4ext49 = 2049, e_sf4ext50 = 2050, e_sf4ext51 = 2051, + e_sf4ext52 = 2052, e_sf4ext53 = 2053, e_sf4ext54 = 2054, e_sf4ext55 = 2055, + e_sf4ext56 = 2056, e_sf4ext57 = 2057, e_sf4ext58 = 2058, e_sf4ext59 = 2059, + e_sf4ext60 = 2060, e_sf4ext61 = 2061 + }; + + inline std::string to_str(const operator_type opr) + { + switch (opr) + { + case e_add : return "+" ; + case e_sub : return "-" ; + case e_mul : return "*" ; + case e_div : return "/" ; + case e_mod : return "%" ; + case e_pow : return "^" ; + case e_assign : return ":=" ; + case e_addass : return "+=" ; + case e_subass : return "-=" ; + case e_mulass : return "*=" ; + case e_divass : return "/=" ; + case e_modass : return "%=" ; + case e_lt : return "<" ; + case e_lte : return "<=" ; + case e_eq : return "==" ; + case e_equal : return "=" ; + case e_ne : return "!=" ; + case e_nequal : return "<>" ; + case e_gte : return ">=" ; + case e_gt : return ">" ; + case e_and : return "and" ; + case e_or : return "or" ; + case e_xor : return "xor" ; + case e_nand : return "nand"; + case e_nor : return "nor" ; + case e_xnor : return "xnor"; + default : return "N/A" ; + } + } + + struct base_operation_t + { + base_operation_t(const operator_type t, const unsigned int& np) + : type(t) + , num_params(np) + {} + + operator_type type; + unsigned int num_params; + }; + + namespace loop_unroll + { + const unsigned int global_loop_batch_size = + #ifndef exprtk_disable_superscalar_unroll + 16; + #else + 4; + #endif + + struct details + { + explicit details(const std::size_t& vsize, + const unsigned int loop_batch_size = global_loop_batch_size) + : batch_size(loop_batch_size ) + , remainder (vsize % batch_size) + , upper_bound(static_cast(vsize - (remainder ? loop_batch_size : 0))) + {} + + unsigned int batch_size; + int remainder; + int upper_bound; + }; + } + + #ifdef exprtk_enable_debugging + inline void dump_ptr(const std::string& s, const void* ptr, const std::size_t size = 0) + { + if (size) + exprtk_debug(("%s - addr: %p size: %d\n", + s.c_str(), + ptr, + static_cast(size))); + else + exprtk_debug(("%s - addr: %p\n", s.c_str(), ptr)); + } + + template + inline void dump_vector(const std::string& vec_name, const T* data, const std::size_t size) + { + printf("----- %s (%p) -----\n", + vec_name.c_str(), + static_cast(data)); + printf("[ "); + for (std::size_t i = 0; i < size; ++i) + { + printf("%8.3f\t", data[i]); + } + printf(" ]\n"); + printf("---------------------\n"); + } + #else + inline void dump_ptr(const std::string&, const void*) {} + inline void dump_ptr(const std::string&, const void*, const std::size_t) {} + template + inline void dump_vector(const std::string&, const T*, const std::size_t) {} + #endif + + template + class vec_data_store + { + public: + + typedef vec_data_store type; + typedef T* data_t; + + private: + + struct control_block + { + control_block() + : ref_count(1) + , size (0) + , data (0) + , destruct (true) + {} + + explicit control_block(const std::size_t& dsize) + : ref_count(1 ) + , size (dsize) + , data (0 ) + , destruct (true ) + { create_data(); } + + control_block(const std::size_t& dsize, data_t dptr, bool dstrct = false) + : ref_count(1 ) + , size (dsize ) + , data (dptr ) + , destruct (dstrct) + {} + + ~control_block() + { + if (data && destruct && (0 == ref_count)) + { + dump_ptr("~vec_data_store::control_block() data",data); + delete[] data; + data = reinterpret_cast(0); + } + } + + static inline control_block* create(const std::size_t& dsize, data_t data_ptr = data_t(0), bool dstrct = false) + { + if (dsize) + { + if (0 == data_ptr) + return (new control_block(dsize)); + else + return (new control_block(dsize, data_ptr, dstrct)); + } + else + return (new control_block); + } + + static inline void destroy(control_block*& cntrl_blck) + { + if (cntrl_blck) + { + if ( + (0 != cntrl_blck->ref_count) && + (0 == --cntrl_blck->ref_count) + ) + { + delete cntrl_blck; + } + + cntrl_blck = 0; + } + } + + std::size_t ref_count; + std::size_t size; + data_t data; + bool destruct; + + private: + + control_block(const control_block&) exprtk_delete; + control_block& operator=(const control_block&) exprtk_delete; + + inline void create_data() + { + destruct = true; + data = new T[size]; + std::fill_n(data, size, T(0)); + dump_ptr("control_block::create_data() - data", data, size); + } + }; + + public: + + vec_data_store() + : control_block_(control_block::create(0)) + {} + + explicit vec_data_store(const std::size_t& size) + : control_block_(control_block::create(size,reinterpret_cast(0),true)) + {} + + vec_data_store(const std::size_t& size, data_t data, bool dstrct = false) + : control_block_(control_block::create(size, data, dstrct)) + {} + + vec_data_store(const type& vds) + { + control_block_ = vds.control_block_; + control_block_->ref_count++; + } + + ~vec_data_store() + { + control_block::destroy(control_block_); + } + + type& operator=(const type& vds) + { + if (this != &vds) + { + const std::size_t final_size = min_size(control_block_, vds.control_block_); + + vds.control_block_->size = final_size; + control_block_->size = final_size; + + if (control_block_->destruct || (0 == control_block_->data)) + { + control_block::destroy(control_block_); + + control_block_ = vds.control_block_; + control_block_->ref_count++; + } + } + + return (*this); + } + + inline data_t data() + { + return control_block_->data; + } + + inline data_t data() const + { + return control_block_->data; + } + + inline std::size_t size() const + { + return control_block_->size; + } + + inline data_t& ref() + { + return control_block_->data; + } + + inline void dump() const + { + #ifdef exprtk_enable_debugging + exprtk_debug(("size: %d\taddress:%p\tdestruct:%c\n", + size(), + data(), + (control_block_->destruct ? 'T' : 'F'))); + + for (std::size_t i = 0; i < size(); ++i) + { + if (5 == i) + exprtk_debug(("\n")); + + exprtk_debug(("%15.10f ", data()[i])); + } + exprtk_debug(("\n")); + #endif + } + + static inline void match_sizes(type& vds0, type& vds1) + { + const std::size_t size = min_size(vds0.control_block_,vds1.control_block_); + vds0.control_block_->size = size; + vds1.control_block_->size = size; + } + + private: + + static inline std::size_t min_size(const control_block* cb0, const control_block* cb1) + { + const std::size_t size0 = cb0->size; + const std::size_t size1 = cb1->size; + + if (size0 && size1) + return std::min(size0,size1); + else + return (size0) ? size0 : size1; + } + + control_block* control_block_; + }; + + namespace numeric + { + namespace details + { + template + inline T process_impl(const operator_type operation, const T arg) + { + switch (operation) + { + case e_abs : return numeric::abs (arg); + case e_acos : return numeric::acos (arg); + case e_acosh : return numeric::acosh(arg); + case e_asin : return numeric::asin (arg); + case e_asinh : return numeric::asinh(arg); + case e_atan : return numeric::atan (arg); + case e_atanh : return numeric::atanh(arg); + case e_ceil : return numeric::ceil (arg); + case e_cos : return numeric::cos (arg); + case e_cosh : return numeric::cosh (arg); + case e_exp : return numeric::exp (arg); + case e_expm1 : return numeric::expm1(arg); + case e_floor : return numeric::floor(arg); + case e_log : return numeric::log (arg); + case e_log10 : return numeric::log10(arg); + case e_log2 : return numeric::log2 (arg); + case e_log1p : return numeric::log1p(arg); + case e_neg : return numeric::neg (arg); + case e_pos : return numeric::pos (arg); + case e_round : return numeric::round(arg); + case e_sin : return numeric::sin (arg); + case e_sinc : return numeric::sinc (arg); + case e_sinh : return numeric::sinh (arg); + case e_sqrt : return numeric::sqrt (arg); + case e_tan : return numeric::tan (arg); + case e_tanh : return numeric::tanh (arg); + case e_cot : return numeric::cot (arg); + case e_sec : return numeric::sec (arg); + case e_csc : return numeric::csc (arg); + case e_r2d : return numeric::r2d (arg); + case e_d2r : return numeric::d2r (arg); + case e_d2g : return numeric::d2g (arg); + case e_g2d : return numeric::g2d (arg); + case e_notl : return numeric::notl (arg); + case e_sgn : return numeric::sgn (arg); + case e_erf : return numeric::erf (arg); + case e_erfc : return numeric::erfc (arg); + case e_ncdf : return numeric::ncdf (arg); + case e_frac : return numeric::frac (arg); + case e_trunc : return numeric::trunc(arg); + + default : exprtk_debug(("numeric::details::process_impl - Invalid unary operation.\n")); + return std::numeric_limits::quiet_NaN(); + } + } + + template + inline T process_impl(const operator_type operation, const T arg0, const T arg1) + { + switch (operation) + { + case e_add : return (arg0 + arg1); + case e_sub : return (arg0 - arg1); + case e_mul : return (arg0 * arg1); + case e_div : return (arg0 / arg1); + case e_mod : return modulus(arg0,arg1); + case e_pow : return pow(arg0,arg1); + case e_atan2 : return atan2(arg0,arg1); + case e_min : return std::min(arg0,arg1); + case e_max : return std::max(arg0,arg1); + case e_logn : return logn(arg0,arg1); + case e_lt : return (arg0 < arg1) ? T(1) : T(0); + case e_lte : return (arg0 <= arg1) ? T(1) : T(0); + case e_eq : return std::equal_to()(arg0,arg1) ? T(1) : T(0); + case e_ne : return std::not_equal_to()(arg0,arg1) ? T(1) : T(0); + case e_gte : return (arg0 >= arg1) ? T(1) : T(0); + case e_gt : return (arg0 > arg1) ? T(1) : T(0); + case e_and : return and_opr (arg0,arg1); + case e_nand : return nand_opr(arg0,arg1); + case e_or : return or_opr (arg0,arg1); + case e_nor : return nor_opr (arg0,arg1); + case e_xor : return xor_opr (arg0,arg1); + case e_xnor : return xnor_opr(arg0,arg1); + case e_root : return root (arg0,arg1); + case e_roundn : return roundn (arg0,arg1); + case e_equal : return equal (arg0,arg1); + case e_nequal : return nequal (arg0,arg1); + case e_hypot : return hypot (arg0,arg1); + case e_shr : return shr (arg0,arg1); + case e_shl : return shl (arg0,arg1); + + default : exprtk_debug(("numeric::details::process_impl - Invalid binary operation.\n")); + return std::numeric_limits::quiet_NaN(); + } + } + + template + inline T process_impl(const operator_type operation, const T arg0, const T arg1, int_type_tag) + { + switch (operation) + { + case e_add : return (arg0 + arg1); + case e_sub : return (arg0 - arg1); + case e_mul : return (arg0 * arg1); + case e_div : return (arg0 / arg1); + case e_mod : return arg0 % arg1; + case e_pow : return pow(arg0,arg1); + case e_min : return std::min(arg0,arg1); + case e_max : return std::max(arg0,arg1); + case e_logn : return logn(arg0,arg1); + case e_lt : return (arg0 < arg1) ? T(1) : T(0); + case e_lte : return (arg0 <= arg1) ? T(1) : T(0); + case e_eq : return (arg0 == arg1) ? T(1) : T(0); + case e_ne : return (arg0 != arg1) ? T(1) : T(0); + case e_gte : return (arg0 >= arg1) ? T(1) : T(0); + case e_gt : return (arg0 > arg1) ? T(1) : T(0); + case e_and : return ((arg0 != T(0)) && (arg1 != T(0))) ? T(1) : T(0); + case e_nand : return ((arg0 != T(0)) && (arg1 != T(0))) ? T(0) : T(1); + case e_or : return ((arg0 != T(0)) || (arg1 != T(0))) ? T(1) : T(0); + case e_nor : return ((arg0 != T(0)) || (arg1 != T(0))) ? T(0) : T(1); + case e_xor : return arg0 ^ arg1; + case e_xnor : return !(arg0 ^ arg1); + case e_root : return root(arg0,arg1); + case e_equal : return arg0 == arg1; + case e_nequal : return arg0 != arg1; + case e_hypot : return hypot(arg0,arg1); + case e_shr : return arg0 >> arg1; + case e_shl : return arg0 << arg1; + + default : exprtk_debug(("numeric::details::process_impl - Invalid binary operation.\n")); + return std::numeric_limits::quiet_NaN(); + } + } + } + + template + inline T process(const operator_type operation, const T arg) + { + return exprtk::details::numeric::details::process_impl(operation,arg); + } + + template + inline T process(const operator_type operation, const T arg0, const T arg1) + { + return exprtk::details::numeric::details::process_impl(operation, arg0, arg1); + } + } + + template + struct node_collector_interface + { + typedef Node* node_ptr_t; + typedef Node** node_pp_t; + typedef std::vector noderef_list_t; + + virtual ~node_collector_interface() + {} + + virtual void collect_nodes(noderef_list_t&) + {} + }; + + template + struct node_depth_base; + + template + class expression_node : public node_collector_interface > + , public node_depth_base > + { + public: + + enum node_type + { + e_none , e_null , e_constant , e_unary , + e_binary , e_binary_ext , e_trinary , e_quaternary , + e_vararg , e_conditional , e_while , e_repeat , + e_for , e_switch , e_mswitch , e_return , + e_retenv , e_variable , e_stringvar , e_stringconst , + e_stringvarrng , e_cstringvarrng , e_strgenrange , e_strconcat , + e_stringvarsize , e_strswap , e_stringsize , e_stringvararg , + e_function , e_vafunction , e_genfunction , e_strfunction , + e_strcondition , e_strccondition , e_add , e_sub , + e_mul , e_div , e_mod , e_pow , + e_lt , e_lte , e_gt , e_gte , + e_eq , e_ne , e_and , e_nand , + e_or , e_nor , e_xor , e_xnor , + e_in , e_like , e_ilike , e_inranges , + e_ipow , e_ipowinv , e_abs , e_acos , + e_acosh , e_asin , e_asinh , e_atan , + e_atanh , e_ceil , e_cos , e_cosh , + e_exp , e_expm1 , e_floor , e_log , + e_log10 , e_log2 , e_log1p , e_neg , + e_pos , e_round , e_sin , e_sinc , + e_sinh , e_sqrt , e_tan , e_tanh , + e_cot , e_sec , e_csc , e_r2d , + e_d2r , e_d2g , e_g2d , e_notl , + e_sgn , e_erf , e_erfc , e_ncdf , + e_frac , e_trunc , e_uvouv , e_vov , + e_cov , e_voc , e_vob , e_bov , + e_cob , e_boc , e_vovov , e_vovoc , + e_vocov , e_covov , e_covoc , e_vovovov , + e_vovovoc , e_vovocov , e_vocovov , e_covovov , + e_covocov , e_vocovoc , e_covovoc , e_vococov , + e_sf3ext , e_sf4ext , e_nulleq , e_strass , + e_vector , e_vecsize , e_vecelem , e_veccelem , + e_vecelemrtc , e_veccelemrtc , e_rbvecelem , e_rbvecelemrtc , + e_rbveccelem , e_rbveccelemrtc , e_vecinit , e_vecvalass , + e_vecvecass , e_vecopvalass , e_vecopvecass , e_vecfunc , + e_vecvecswap , e_vecvecineq , e_vecvalineq , e_valvecineq , + e_vecvecarith , e_vecvalarith , e_valvecarith , e_vecunaryop , + e_vecondition , e_break , e_continue , e_swap , + e_assert + }; + + typedef T value_type; + typedef expression_node* expression_ptr; + typedef node_collector_interface > nci_t; + typedef typename nci_t::noderef_list_t noderef_list_t; + typedef node_depth_base > ndb_t; + + virtual ~expression_node() + {} + + inline virtual T value() const + { + return std::numeric_limits::quiet_NaN(); + } + + inline virtual expression_node* branch(const std::size_t& index = 0) const + { + return reinterpret_cast(index * 0); + } + + inline virtual node_type type() const + { + return e_none; + } + + inline virtual bool valid() const + { + return true; + } + }; // class expression_node + + template + inline bool is_generally_string_node(const expression_node* node); + + inline bool is_true(const double v) + { + return std::not_equal_to()(0.0,v); + } + + inline bool is_true(const long double v) + { + return std::not_equal_to()(0.0L,v); + } + + inline bool is_true(const float v) + { + return std::not_equal_to()(0.0f,v); + } + + template + inline bool is_true(const expression_node* node) + { + return std::not_equal_to()(T(0),node->value()); + } + + template + inline bool is_true(const std::pair*,bool>& node) + { + return std::not_equal_to()(T(0),node.first->value()); + } + + template + inline bool is_false(const expression_node* node) + { + return std::equal_to()(T(0),node->value()); + } + + template + inline bool is_false(const std::pair*,bool>& node) + { + return std::equal_to()(T(0),node.first->value()); + } + + template + inline bool is_literal_node(const expression_node* node) + { + return node && (details::expression_node::e_constant == node->type()); + } + + template + inline bool is_unary_node(const expression_node* node) + { + return node && (details::expression_node::e_unary == node->type()); + } + + template + inline bool is_neg_unary_node(const expression_node* node) + { + return node && (details::expression_node::e_neg == node->type()); + } + + template + inline bool is_binary_node(const expression_node* node) + { + return node && (details::expression_node::e_binary == node->type()); + } + + template + inline bool is_variable_node(const expression_node* node) + { + return node && (details::expression_node::e_variable == node->type()); + } + + template + inline bool is_ivariable_node(const expression_node* node) + { + return node && + ( + details::expression_node::e_variable == node->type() || + details::expression_node::e_vecelem == node->type() || + details::expression_node::e_veccelem == node->type() || + details::expression_node::e_vecelemrtc == node->type() || + details::expression_node::e_veccelemrtc == node->type() || + details::expression_node::e_rbvecelem == node->type() || + details::expression_node::e_rbveccelem == node->type() || + details::expression_node::e_rbvecelemrtc == node->type() || + details::expression_node::e_rbveccelemrtc == node->type() + ); + } + + template + inline bool is_vector_elem_node(const expression_node* node) + { + return node && (details::expression_node::e_vecelem == node->type()); + } + + template + inline bool is_vector_celem_node(const expression_node* node) + { + return node && (details::expression_node::e_veccelem == node->type()); + } + + template + inline bool is_vector_elem_rtc_node(const expression_node* node) + { + return node && (details::expression_node::e_vecelemrtc == node->type()); + } + + template + inline bool is_vector_celem_rtc_node(const expression_node* node) + { + return node && (details::expression_node::e_veccelemrtc == node->type()); + } + + template + inline bool is_rebasevector_elem_node(const expression_node* node) + { + return node && (details::expression_node::e_rbvecelem == node->type()); + } + + template + inline bool is_rebasevector_elem_rtc_node(const expression_node* node) + { + return node && (details::expression_node::e_rbvecelemrtc == node->type()); + } + + template + inline bool is_rebasevector_celem_rtc_node(const expression_node* node) + { + return node && (details::expression_node::e_rbveccelemrtc == node->type()); + } + + template + inline bool is_rebasevector_celem_node(const expression_node* node) + { + return node && (details::expression_node::e_rbveccelem == node->type()); + } + + template + inline bool is_vector_node(const expression_node* node) + { + return node && (details::expression_node::e_vector == node->type()); + } + + template + inline bool is_ivector_node(const expression_node* node) + { + if (node) + { + switch (node->type()) + { + case details::expression_node::e_vector : + case details::expression_node::e_vecvalass : + case details::expression_node::e_vecvecass : + case details::expression_node::e_vecopvalass : + case details::expression_node::e_vecopvecass : + case details::expression_node::e_vecvecswap : + case details::expression_node::e_vecvecarith : + case details::expression_node::e_vecvalarith : + case details::expression_node::e_valvecarith : + case details::expression_node::e_vecunaryop : + case details::expression_node::e_vecondition : return true; + default : return false; + } + } + else + return false; + } + + template + inline bool is_constant_node(const expression_node* node) + { + return node && + ( + details::expression_node::e_constant == node->type() || + details::expression_node::e_stringconst == node->type() + ); + } + + template + inline bool is_null_node(const expression_node* node) + { + return node && (details::expression_node::e_null == node->type()); + } + + template + inline bool is_break_node(const expression_node* node) + { + return node && (details::expression_node::e_break == node->type()); + } + + template + inline bool is_continue_node(const expression_node* node) + { + return node && (details::expression_node::e_continue == node->type()); + } + + template + inline bool is_swap_node(const expression_node* node) + { + return node && (details::expression_node::e_swap == node->type()); + } + + template + inline bool is_function(const expression_node* node) + { + return node && (details::expression_node::e_function == node->type()); + } + + template + inline bool is_vararg_node(const expression_node* node) + { + return node && (details::expression_node::e_vararg == node->type()); + } + + template + inline bool is_return_node(const expression_node* node) + { + return node && (details::expression_node::e_return == node->type()); + } + + template class unary_node; + + template + inline bool is_negate_node(const expression_node* node) + { + if (node && is_unary_node(node)) + { + return (details::e_neg == static_cast*>(node)->operation()); + } + else + return false; + } + + template + inline bool is_assert_node(const expression_node* node) + { + return node && (details::expression_node::e_assert == node->type()); + } + + template + inline bool branch_deletable(const expression_node* node) + { + return (0 != node) && + !is_variable_node(node) && + !is_string_node (node) ; + } + + template + inline bool all_nodes_valid(expression_node* const (&b)[N]) + { + for (std::size_t i = 0; i < N; ++i) + { + if (0 == b[i]) return false; + } + + return true; + } + + template class Sequence> + inline bool all_nodes_valid(const Sequence*,Allocator>& b) + { + for (std::size_t i = 0; i < b.size(); ++i) + { + if (0 == b[i]) return false; + } + + return true; + } + + template + inline bool all_nodes_variables(expression_node* const (&b)[N]) + { + for (std::size_t i = 0; i < N; ++i) + { + if (0 == b[i]) + return false; + else if (!is_variable_node(b[i])) + return false; + } + + return true; + } + + template class Sequence> + inline bool all_nodes_variables(const Sequence*,Allocator>& b) + { + for (std::size_t i = 0; i < b.size(); ++i) + { + if (0 == b[i]) + return false; + else if (!is_variable_node(b[i])) + return false; + } + + return true; + } + + template + class node_collection_destructor + { + public: + + typedef node_collector_interface nci_t; + + typedef typename nci_t::node_ptr_t node_ptr_t; + typedef typename nci_t::node_pp_t node_pp_t; + typedef typename nci_t::noderef_list_t noderef_list_t; + + static void delete_nodes(node_ptr_t& root) + { + std::vector node_delete_list; + node_delete_list.reserve(1000); + + collect_nodes(root, node_delete_list); + + for (std::size_t i = 0; i < node_delete_list.size(); ++i) + { + node_ptr_t& node = *node_delete_list[i]; + exprtk_debug(("ncd::delete_nodes() - deleting: %p\n", reinterpret_cast(node))); + delete node; + node = reinterpret_cast(0); + } + } + + private: + + static void collect_nodes(node_ptr_t& root, noderef_list_t& node_delete_list) + { + std::deque node_list; + node_list.push_back(root); + node_delete_list.push_back(&root); + + noderef_list_t child_node_delete_list; + child_node_delete_list.reserve(1000); + + while (!node_list.empty()) + { + node_list.front()->collect_nodes(child_node_delete_list); + + if (!child_node_delete_list.empty()) + { + for (std::size_t i = 0; i < child_node_delete_list.size(); ++i) + { + node_pp_t& node = child_node_delete_list[i]; + + if (0 == (*node)) + { + exprtk_debug(("ncd::collect_nodes() - null node encountered.\n")); + } + + node_list.push_back(*node); + } + + node_delete_list.insert( + node_delete_list.end(), + child_node_delete_list.begin(), child_node_delete_list.end()); + + child_node_delete_list.clear(); + } + + node_list.pop_front(); + } + + std::reverse(node_delete_list.begin(), node_delete_list.end()); + } + }; + + template + inline void free_all_nodes(NodeAllocator& node_allocator, expression_node* (&b)[N]) + { + for (std::size_t i = 0; i < N; ++i) + { + free_node(node_allocator,b[i]); + } + } + + template class Sequence> + inline void free_all_nodes(NodeAllocator& node_allocator, Sequence*,Allocator>& b) + { + for (std::size_t i = 0; i < b.size(); ++i) + { + free_node(node_allocator,b[i]); + } + + b.clear(); + } + + template + inline void free_node(NodeAllocator&, expression_node*& node) + { + if ((0 == node) || is_variable_node(node) || is_string_node(node)) + { + return; + } + + node_collection_destructor > + ::delete_nodes(node); + } + + template + inline void destroy_node(expression_node*& node) + { + if (0 != node) + { + node_collection_destructor > + ::delete_nodes(node); + } + } + + template + struct node_depth_base + { + typedef Node* node_ptr_t; + typedef std::pair nb_pair_t; + + node_depth_base() + : depth_set(false) + , depth(0) + {} + + virtual ~node_depth_base() + {} + + virtual std::size_t node_depth() const { return 1; } + + std::size_t compute_node_depth(const Node* const& node) const + { + if (!depth_set) + { + depth = 1 + (node ? node->node_depth() : 0); + depth_set = true; + } + + return depth; + } + + std::size_t compute_node_depth(const nb_pair_t& branch) const + { + if (!depth_set) + { + depth = 1 + (branch.first ? branch.first->node_depth() : 0); + depth_set = true; + } + + return depth; + } + + template + std::size_t compute_node_depth(const nb_pair_t (&branch)[N]) const + { + if (!depth_set) + { + depth = 0; + + for (std::size_t i = 0; i < N; ++i) + { + if (branch[i].first) + { + depth = std::max(depth,branch[i].first->node_depth()); + } + } + + depth += 1; + depth_set = true; + } + + return depth; + } + + template + std::size_t max_node_depth(const BranchType& n0, const BranchType& n1) const + { + return std::max(compute_node_depth(n0), compute_node_depth(n1)); + } + + template + std::size_t max_node_depth(const BranchType& n0, const BranchType& n1, const BranchType& n2) const + { + return std::max(compute_node_depth(n0), + std::max(compute_node_depth(n1), compute_node_depth(n2))); + } + + template + std::size_t max_node_depth(const BranchType& n0, const BranchType& n1, + const BranchType& n2, const BranchType& n3) const + { + return std::max( + std::max(compute_node_depth(n0), compute_node_depth(n1)), + std::max(compute_node_depth(n2), compute_node_depth(n3))); + } + + template + std::size_t compute_node_depth(const BranchType& n0, const BranchType& n1) const + { + if (!depth_set) + { + depth = 1 + max_node_depth(n0, n1); + depth_set = true; + } + + return depth; + } + + template + std::size_t compute_node_depth(const BranchType& n0, const BranchType& n1, + const BranchType& n2) const + { + if (!depth_set) + { + depth = 1 + max_node_depth(n0, n1, n2); + depth_set = true; + } + + return depth; + } + + template + std::size_t compute_node_depth(const BranchType& n0, const BranchType& n1, + const BranchType& n2, const BranchType& n3) const + { + if (!depth_set) + { + depth = 1 + max_node_depth(n0, n1, n2, n3); + depth_set = true; + } + + return depth; + } + + template class Sequence> + std::size_t compute_node_depth(const Sequence& branch_list) const + { + if (!depth_set) + { + for (std::size_t i = 0; i < branch_list.size(); ++i) + { + if (branch_list[i]) + { + depth = std::max(depth, compute_node_depth(branch_list[i])); + } + } + + depth_set = true; + } + + return depth; + } + + template class Sequence> + std::size_t compute_node_depth(const Sequence& branch_list) const + { + if (!depth_set) + { + for (std::size_t i = 0; i < branch_list.size(); ++i) + { + if (branch_list[i].first) + { + depth = std::max(depth, compute_node_depth(branch_list[i].first)); + } + } + + depth_set = true; + } + + return depth; + } + + mutable bool depth_set; + mutable std::size_t depth; + + template + void collect(node_ptr_t const& node, + const bool deletable, + NodeSequence& delete_node_list) const + { + if ((0 != node) && deletable) + { + delete_node_list.push_back(const_cast(&node)); + } + } + + template + void collect(const nb_pair_t& branch, + NodeSequence& delete_node_list) const + { + collect(branch.first, branch.second, delete_node_list); + } + + template + void collect(Node*& node, + NodeSequence& delete_node_list) const + { + collect(node, branch_deletable(node), delete_node_list); + } + + template + void collect(const nb_pair_t(&branch)[N], + NodeSequence& delete_node_list) const + { + for (std::size_t i = 0; i < N; ++i) + { + collect(branch[i].first, branch[i].second, delete_node_list); + } + } + + template class Sequence, + typename NodeSequence> + void collect(const Sequence& branch, + NodeSequence& delete_node_list) const + { + for (std::size_t i = 0; i < branch.size(); ++i) + { + collect(branch[i].first, branch[i].second, delete_node_list); + } + } + + template class Sequence, + typename NodeSequence> + void collect(const Sequence& branch_list, + NodeSequence& delete_node_list) const + { + for (std::size_t i = 0; i < branch_list.size(); ++i) + { + collect(branch_list[i], branch_deletable(branch_list[i]), delete_node_list); + } + } + + template class Sequence, + typename NodeSequence> + void collect(const Sequence& branch_list, + const Sequence& branch_deletable_list, + NodeSequence& delete_node_list) const + { + for (std::size_t i = 0; i < branch_list.size(); ++i) + { + collect(branch_list[i], branch_deletable_list[i], delete_node_list); + } + } + }; + + template + class vector_holder + { + private: + + typedef Type value_type; + typedef value_type* value_ptr; + typedef const value_ptr const_value_ptr; + typedef vector_holder vector_holder_t; + + class vector_holder_base + { + public: + + virtual ~vector_holder_base() + {} + + inline value_ptr operator[](const std::size_t& index) const + { + return value_at(index); + } + + inline std::size_t size() const + { + return vector_size(); + } + + inline std::size_t base_size() const + { + return vector_base_size(); + } + + inline value_ptr data() const + { + return value_at(0); + } + + virtual inline bool rebaseable() const + { + return false; + } + + virtual void set_ref(value_ptr*) + {} + + virtual void remove_ref(value_ptr*) + {} + + virtual vector_view* rebaseable_instance() + { + return reinterpret_cast*>(0); + } + + protected: + + virtual value_ptr value_at(const std::size_t&) const = 0; + virtual std::size_t vector_size() const = 0; + virtual std::size_t vector_base_size() const = 0; + }; + + class array_vector_impl exprtk_final : public vector_holder_base + { + public: + + array_vector_impl(const Type* vec, const std::size_t& vec_size) + : vec_(vec) + , size_(vec_size) + {} + + protected: + + value_ptr value_at(const std::size_t& index) const exprtk_override + { + assert(index < size_); + return const_cast(vec_ + index); + } + + std::size_t vector_size() const exprtk_override + { + return size_; + } + + std::size_t vector_base_size() const exprtk_override + { + return vector_size(); + } + + private: + + array_vector_impl(const array_vector_impl&) exprtk_delete; + array_vector_impl& operator=(const array_vector_impl&) exprtk_delete; + + const Type* vec_; + const std::size_t size_; + }; + + template class Sequence> + class sequence_vector_impl exprtk_final : public vector_holder_base + { + public: + + typedef Sequence sequence_t; + + explicit sequence_vector_impl(sequence_t& seq) + : sequence_(seq) + {} + + protected: + + value_ptr value_at(const std::size_t& index) const exprtk_override + { + assert(index < sequence_.size()); + return (&sequence_[index]); + } + + std::size_t vector_size() const exprtk_override + { + return sequence_.size(); + } + + std::size_t vector_base_size() const exprtk_override + { + return vector_size(); + } + + private: + + sequence_vector_impl(const sequence_vector_impl&) exprtk_delete; + sequence_vector_impl& operator=(const sequence_vector_impl&) exprtk_delete; + + sequence_t& sequence_; + }; + + class vector_view_impl exprtk_final : public vector_holder_base + { + public: + + typedef exprtk::vector_view vector_view_t; + + explicit vector_view_impl(vector_view_t& vec_view) + : vec_view_(vec_view) + { + assert(vec_view_.size() > 0); + } + + void set_ref(value_ptr* ref) exprtk_override + { + vec_view_.set_ref(ref); + } + + void remove_ref(value_ptr* ref) exprtk_override + { + vec_view_.remove_ref(ref); + } + + bool rebaseable() const exprtk_override + { + return true; + } + + vector_view* rebaseable_instance() exprtk_override + { + return &vec_view_; + } + + protected: + + value_ptr value_at(const std::size_t& index) const exprtk_override + { + assert(index < vec_view_.size()); + return (&vec_view_[index]); + } + + std::size_t vector_size() const exprtk_override + { + return vec_view_.size(); + } + + std::size_t vector_base_size() const exprtk_override + { + return vec_view_.base_size(); + } + + private: + + vector_view_impl(const vector_view_impl&) exprtk_delete; + vector_view_impl& operator=(const vector_view_impl&) exprtk_delete; + + vector_view_t& vec_view_; + }; + + class resizable_vector_impl exprtk_final : public vector_holder_base + { + public: + + resizable_vector_impl(vector_holder& vec_view_holder, + const Type* vec, + const std::size_t& vec_size) + : vec_(vec) + , size_(vec_size) + , vec_view_holder_(*vec_view_holder.rebaseable_instance()) + { + assert(vec_view_holder.rebaseable_instance()); + assert(size_ <= vector_base_size()); + } + + virtual ~resizable_vector_impl() exprtk_override + {} + + protected: + + value_ptr value_at(const std::size_t& index) const exprtk_override + { + assert(index < vector_size()); + return const_cast(vec_ + index); + } + + std::size_t vector_size() const exprtk_override + { + return vec_view_holder_.size(); + } + + std::size_t vector_base_size() const exprtk_override + { + return vec_view_holder_.base_size(); + } + + bool rebaseable() const exprtk_override + { + return true; + } + + virtual vector_view* rebaseable_instance() exprtk_override + { + return &vec_view_holder_; + } + + private: + + resizable_vector_impl(const resizable_vector_impl&) exprtk_delete; + resizable_vector_impl& operator=(const resizable_vector_impl&) exprtk_delete; + + const Type* vec_; + const std::size_t size_; + vector_view& vec_view_holder_; + }; + + public: + + typedef typename details::vec_data_store vds_t; + + vector_holder(Type* vec, const std::size_t& vec_size) + : vector_holder_base_(new(buffer)array_vector_impl(vec,vec_size)) + {} + + explicit vector_holder(const vds_t& vds) + : vector_holder_base_(new(buffer)array_vector_impl(vds.data(),vds.size())) + {} + + template + explicit vector_holder(std::vector& vec) + : vector_holder_base_(new(buffer)sequence_vector_impl(vec)) + {} + + explicit vector_holder(exprtk::vector_view& vec) + : vector_holder_base_(new(buffer)vector_view_impl(vec)) + {} + + explicit vector_holder(vector_holder_t& vec_holder, const vds_t& vds) + : vector_holder_base_(new(buffer)resizable_vector_impl(vec_holder, vds.data(), vds.size())) + {} + + inline value_ptr operator[](const std::size_t& index) const + { + return (*vector_holder_base_)[index]; + } + + inline std::size_t size() const + { + return vector_holder_base_->size(); + } + + inline std::size_t base_size() const + { + return vector_holder_base_->base_size(); + } + + inline value_ptr data() const + { + return vector_holder_base_->data(); + } + + void set_ref(value_ptr* ref) + { + if (rebaseable()) + { + vector_holder_base_->set_ref(ref); + } + } + + void remove_ref(value_ptr* ref) + { + if (rebaseable()) + { + vector_holder_base_->remove_ref(ref); + } + } + + bool rebaseable() const + { + return vector_holder_base_->rebaseable(); + } + + vector_view* rebaseable_instance() + { + return vector_holder_base_->rebaseable_instance(); + } + + private: + + vector_holder(const vector_holder&) exprtk_delete; + vector_holder& operator=(const vector_holder&) exprtk_delete; + + mutable vector_holder_base* vector_holder_base_; + uchar_t buffer[64]; + }; + + template + class null_node exprtk_final : public expression_node + { + public: + + inline T value() const exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_null; + } + }; + + template + inline void construct_branch_pair(std::pair*,bool> (&branch)[N], + expression_node* b, + const std::size_t& index) + { + if (b && (index < N)) + { + branch[index] = std::make_pair(b,branch_deletable(b)); + } + } + + template + inline void construct_branch_pair(std::pair*,bool>& branch, expression_node* b) + { + if (b) + { + branch = std::make_pair(b,branch_deletable(b)); + } + } + + template + inline void init_branches(std::pair*,bool> (&branch)[N], + expression_node* b0, + expression_node* b1 = reinterpret_cast*>(0), + expression_node* b2 = reinterpret_cast*>(0), + expression_node* b3 = reinterpret_cast*>(0), + expression_node* b4 = reinterpret_cast*>(0), + expression_node* b5 = reinterpret_cast*>(0), + expression_node* b6 = reinterpret_cast*>(0), + expression_node* b7 = reinterpret_cast*>(0), + expression_node* b8 = reinterpret_cast*>(0), + expression_node* b9 = reinterpret_cast*>(0)) + { + construct_branch_pair(branch, b0, 0); + construct_branch_pair(branch, b1, 1); + construct_branch_pair(branch, b2, 2); + construct_branch_pair(branch, b3, 3); + construct_branch_pair(branch, b4, 4); + construct_branch_pair(branch, b5, 5); + construct_branch_pair(branch, b6, 6); + construct_branch_pair(branch, b7, 7); + construct_branch_pair(branch, b8, 8); + construct_branch_pair(branch, b9, 9); + } + + template + class null_eq_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + explicit null_eq_node(expression_ptr branch, const bool equality = true) + : equality_(equality) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + const T v = branch_.first->value(); + const bool result = details::numeric::is_nan(v); + + if (result) + return equality_ ? T(1) : T(0); + else + return equality_ ? T(0) : T(1); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_nulleq; + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + inline bool valid() const exprtk_override + { + return branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + bool equality_; + branch_t branch_; + }; + + template + class literal_node exprtk_final : public expression_node + { + public: + + explicit literal_node(const T& v) + : value_(v) + {} + + inline T value() const exprtk_override + { + return value_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_constant; + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return reinterpret_cast*>(0); + } + + private: + + literal_node(const literal_node&) exprtk_delete; + literal_node& operator=(const literal_node&) exprtk_delete; + + const T value_; + }; + + template + struct range_pack; + + template + struct range_data_type; + + template + class range_interface + { + public: + + typedef range_pack range_t; + + virtual ~range_interface() + {} + + virtual range_t& range_ref() = 0; + + virtual const range_t& range_ref() const = 0; + }; + + #ifndef exprtk_disable_string_capabilities + template + class string_base_node + { + public: + + typedef range_data_type range_data_type_t; + + virtual ~string_base_node() + {} + + virtual std::string str () const = 0; + + virtual char_cptr base() const = 0; + + virtual std::size_t size() const = 0; + }; + + template + class string_literal_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef range_pack range_t; + + explicit string_literal_node(const std::string& v) + : value_(v) + { + rp_.n0_c = std::make_pair(true, 0); + rp_.n1_c = std::make_pair(true, v.size()); + rp_.cache.first = rp_.n0_c.second; + rp_.cache.second = rp_.n1_c.second; + } + + inline T value() const exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringconst; + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return reinterpret_cast*>(0); + } + + std::string str() const exprtk_override + { + return value_; + } + + char_cptr base() const exprtk_override + { + return value_.data(); + } + + std::size_t size() const exprtk_override + { + return value_.size(); + } + + range_t& range_ref() exprtk_override + { + return rp_; + } + + const range_t& range_ref() const exprtk_override + { + return rp_; + } + + private: + + string_literal_node(const string_literal_node&) exprtk_delete; + string_literal_node& operator=(const string_literal_node&) exprtk_delete; + + const std::string value_; + range_t rp_; + }; + #endif + + template + class unary_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + unary_node(const operator_type& opr, expression_ptr branch) + : operation_(opr) + { + construct_branch_pair(branch_,branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return numeric::process + (operation_,branch_.first->value()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_unary; + } + + inline operator_type operation() + { + return operation_; + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline void release() + { + branch_.second = false; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_final + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + operator_type operation_; + branch_t branch_; + }; + + template + class binary_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + binary_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : operation_(opr) + { + init_branches<2>(branch_, branch0, branch1); + assert(valid()); + } + + inline T value() const exprtk_override + { + return numeric::process + ( + operation_, + branch_[0].first->value(), + branch_[1].first->value() + ); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_binary; + } + + inline operator_type operation() + { + return operation_; + } + + inline expression_node* branch(const std::size_t& index = 0) const exprtk_override + { + assert(index < 2); + return branch_[index].first; + } + + inline bool valid() const exprtk_override + { + return + branch_[0].first && branch_[0].first->valid() && + branch_[1].first && branch_[1].first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_final + { + return expression_node::ndb_t::template compute_node_depth<2>(branch_); + } + + private: + + operator_type operation_; + branch_t branch_[2]; + }; + + template + class binary_ext_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + binary_ext_node(expression_ptr branch0, expression_ptr branch1) + { + init_branches<2>(branch_, branch0, branch1); + assert(valid()); + } + + inline T value() const exprtk_override + { + const T arg0 = branch_[0].first->value(); + const T arg1 = branch_[1].first->value(); + return Operation::process(arg0,arg1); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_binary_ext; + } + + inline operator_type operation() + { + return Operation::operation(); + } + + inline expression_node* branch(const std::size_t& index = 0) const exprtk_override + { + assert(index < 2); + return branch_[index].first; + } + + inline bool valid() const exprtk_override + { + return + branch_[0].first && branch_[0].first->valid() && + branch_[1].first && branch_[1].first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::template compute_node_depth<2>(branch_); + } + + protected: + + branch_t branch_[2]; + }; + + template + class trinary_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + trinary_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1, + expression_ptr branch2) + : operation_(opr) + { + init_branches<3>(branch_, branch0, branch1, branch2); + assert(valid()); + } + + inline T value() const exprtk_override + { + const T arg0 = branch_[0].first->value(); + const T arg1 = branch_[1].first->value(); + const T arg2 = branch_[2].first->value(); + + switch (operation_) + { + case e_inrange : return (arg1 < arg0) ? T(0) : ((arg1 > arg2) ? T(0) : T(1)); + + case e_clamp : return (arg1 < arg0) ? arg0 : (arg1 > arg2 ? arg2 : arg1); + + case e_iclamp : if ((arg1 <= arg0) || (arg1 >= arg2)) + return arg1; + else + return ((T(2) * arg1 <= (arg2 + arg0)) ? arg0 : arg2); + + default : exprtk_debug(("trinary_node::value() - Error: Invalid operation\n")); + return std::numeric_limits::quiet_NaN(); + } + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_trinary; + } + + inline bool valid() const exprtk_override + { + return + branch_[0].first && branch_[0].first->valid() && + branch_[1].first && branch_[1].first->valid() && + branch_[2].first && branch_[2].first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override exprtk_final + { + return expression_node::ndb_t::template compute_node_depth<3>(branch_); + } + + protected: + + operator_type operation_; + branch_t branch_[3]; + }; + + template + class quaternary_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + quaternary_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1, + expression_ptr branch2, + expression_ptr branch3) + : operation_(opr) + { + init_branches<4>(branch_, branch0, branch1, branch2, branch3); + } + + inline T value() const exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_quaternary; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override exprtk_final + { + return expression_node::ndb_t::template compute_node_depth<4>(branch_); + } + + inline bool valid() const exprtk_override + { + return + branch_[0].first && branch_[0].first->valid() && + branch_[1].first && branch_[1].first->valid() && + branch_[2].first && branch_[2].first->valid() && + branch_[3].first && branch_[3].first->valid() ; + } + + protected: + + operator_type operation_; + branch_t branch_[4]; + }; + + template + class conditional_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + conditional_node(expression_ptr condition, + expression_ptr consequent, + expression_ptr alternative) + { + construct_branch_pair(condition_ , condition ); + construct_branch_pair(consequent_ , consequent ); + construct_branch_pair(alternative_, alternative); + assert(valid()); + } + + inline T value() const exprtk_override + { + if (is_true(condition_)) + return consequent_.first->value(); + else + return alternative_.first->value(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_conditional; + } + + inline bool valid() const exprtk_override + { + return + condition_ .first && condition_ .first->valid() && + consequent_ .first && consequent_ .first->valid() && + alternative_.first && alternative_.first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(consequent_ , node_delete_list); + expression_node::ndb_t::collect(alternative_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (condition_, consequent_, alternative_); + } + + private: + + branch_t condition_; + branch_t consequent_; + branch_t alternative_; + }; + + template + class cons_conditional_node exprtk_final : public expression_node + { + public: + + // Consequent only conditional statement node + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + cons_conditional_node(expression_ptr condition, + expression_ptr consequent) + { + construct_branch_pair(condition_ , condition ); + construct_branch_pair(consequent_, consequent); + assert(valid()); + } + + inline T value() const exprtk_override + { + if (is_true(condition_)) + return consequent_.first->value(); + else + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_conditional; + } + + inline bool valid() const exprtk_override + { + return + condition_ .first && condition_ .first->valid() && + consequent_.first && consequent_.first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(consequent_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t:: + compute_node_depth(condition_, consequent_); + } + + private: + + branch_t condition_; + branch_t consequent_; + }; + + #ifndef exprtk_disable_break_continue + template + class break_exception + { + public: + + explicit break_exception(const T& v) + : value(v) + {} + + T value; + }; + + class continue_exception {}; + + template + class break_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + explicit break_node(expression_ptr ret = expression_ptr(0)) + { + construct_branch_pair(return_, ret); + } + + inline T value() const exprtk_override + { + const T result = return_.first ? + return_.first->value() : + std::numeric_limits::quiet_NaN(); + + throw break_exception(result); + + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return std::numeric_limits::quiet_NaN(); + #endif + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_break; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(return_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(return_); + } + + private: + + branch_t return_; + }; + + template + class continue_node exprtk_final : public expression_node + { + public: + + inline T value() const exprtk_override + { + throw continue_exception(); + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return std::numeric_limits::quiet_NaN(); + #endif + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_break; + } + }; + #endif + + struct loop_runtime_checker + { + loop_runtime_checker(loop_runtime_check_ptr loop_runtime_check, + loop_runtime_check::loop_types lp_typ = loop_runtime_check::e_invalid) + : iteration_count_(0) + , loop_runtime_check_(loop_runtime_check) + , max_loop_iterations_(loop_runtime_check_->max_loop_iterations) + , loop_type_(lp_typ) + { + assert(loop_runtime_check_); + } + + inline void reset(const _uint64_t initial_value = 0) const + { + iteration_count_ = initial_value; + } + + inline bool check() const + { + assert(loop_runtime_check_); + + if ( + (++iteration_count_ <= max_loop_iterations_) && + loop_runtime_check_->check() + ) + { + return true; + } + + loop_runtime_check::violation_context ctxt; + ctxt.loop = loop_type_; + ctxt.violation = loop_runtime_check::e_iteration_count; + + loop_runtime_check_->handle_runtime_violation(ctxt); + + return false; + } + + bool valid() const + { + return 0 != loop_runtime_check_; + } + + mutable _uint64_t iteration_count_; + mutable loop_runtime_check_ptr loop_runtime_check_; + const details::_uint64_t& max_loop_iterations_; + loop_runtime_check::loop_types loop_type_; + }; + + template + class while_loop_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + while_loop_node(expression_ptr condition, + expression_ptr loop_body) + { + construct_branch_pair(condition_, condition); + construct_branch_pair(loop_body_, loop_body); + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + while (is_true(condition_)) + { + result = loop_body_.first->value(); + } + + return result; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_while; + } + + inline bool valid() const exprtk_override + { + return + condition_.first && condition_.first->valid() && + loop_body_.first && loop_body_.first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(loop_body_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(condition_, loop_body_); + } + + protected: + + branch_t condition_; + branch_t loop_body_; + }; + + template + class while_loop_rtc_node exprtk_final + : public while_loop_node + , public loop_runtime_checker + { + public: + + typedef while_loop_node parent_t; + typedef expression_node* expression_ptr; + + while_loop_rtc_node(expression_ptr condition, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(condition, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_while_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + + T result = T(0); + + loop_runtime_checker::reset(); + + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + result = parent_t::loop_body_.first->value(); + } + + return result; + } + + using parent_t::valid; + + bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + + template + class repeat_until_loop_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + repeat_until_loop_node(expression_ptr condition, + expression_ptr loop_body) + { + construct_branch_pair(condition_, condition); + construct_branch_pair(loop_body_, loop_body); + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + do + { + result = loop_body_.first->value(); + } + while (is_false(condition_.first)); + + return result; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_repeat; + } + + inline bool valid() const exprtk_override + { + return + condition_.first && condition_.first->valid() && + loop_body_.first && loop_body_.first->valid() ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(loop_body_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(condition_, loop_body_); + } + + protected: + + branch_t condition_; + branch_t loop_body_; + }; + + template + class repeat_until_loop_rtc_node exprtk_final + : public repeat_until_loop_node + , public loop_runtime_checker + { + public: + + typedef repeat_until_loop_node parent_t; + typedef expression_node* expression_ptr; + + repeat_until_loop_rtc_node(expression_ptr condition, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(condition, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_repeat_until_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + loop_runtime_checker::reset(1); + + do + { + result = parent_t::loop_body_.first->value(); + } + while (is_false(parent_t::condition_.first) && loop_runtime_checker::check()); + + return result; + } + + using parent_t::valid; + + inline bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + + template + class for_loop_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + for_loop_node(expression_ptr initialiser, + expression_ptr condition, + expression_ptr incrementor, + expression_ptr loop_body) + { + construct_branch_pair(initialiser_, initialiser); + construct_branch_pair(condition_ , condition ); + construct_branch_pair(incrementor_, incrementor); + construct_branch_pair(loop_body_ , loop_body ); + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + if (initialiser_.first) + initialiser_.first->value(); + + if (incrementor_.first) + { + while (is_true(condition_)) + { + result = loop_body_.first->value(); + incrementor_.first->value(); + } + } + else + { + while (is_true(condition_)) + { + result = loop_body_.first->value(); + } + } + + return result; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_for; + } + + inline bool valid() const exprtk_override + { + return condition_.first && loop_body_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_ , node_delete_list); + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(incrementor_ , node_delete_list); + expression_node::ndb_t::collect(loop_body_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (initialiser_, condition_, incrementor_, loop_body_); + } + + protected: + + branch_t initialiser_; + branch_t condition_ ; + branch_t incrementor_; + branch_t loop_body_ ; + }; + + template + class for_loop_rtc_node exprtk_final + : public for_loop_node + , public loop_runtime_checker + { + public: + + typedef for_loop_node parent_t; + typedef expression_node* expression_ptr; + + for_loop_rtc_node(expression_ptr initialiser, + expression_ptr condition, + expression_ptr incrementor, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(initialiser, condition, incrementor, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_for_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + loop_runtime_checker::reset(); + + if (parent_t::initialiser_.first) + parent_t::initialiser_.first->value(); + + if (parent_t::incrementor_.first) + { + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + result = parent_t::loop_body_.first->value(); + parent_t::incrementor_.first->value(); + } + } + else + { + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + result = parent_t::loop_body_.first->value(); + } + } + + return result; + } + + using parent_t::valid; + + inline bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + + #ifndef exprtk_disable_break_continue + template + class while_loop_bc_node : public while_loop_node + { + public: + + typedef while_loop_node parent_t; + typedef expression_node* expression_ptr; + + while_loop_bc_node(expression_ptr condition, + expression_ptr loop_body) + : parent_t(condition, loop_body) + { + assert(parent_t::valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + while (is_true(parent_t::condition_)) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + + return result; + } + }; + + template + class while_loop_bc_rtc_node exprtk_final + : public while_loop_bc_node + , public loop_runtime_checker + { + public: + + typedef while_loop_bc_node parent_t; + typedef expression_node* expression_ptr; + + while_loop_bc_rtc_node(expression_ptr condition, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(condition, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_while_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + loop_runtime_checker::reset(); + + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + + return result; + } + + using parent_t::valid; + + inline bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + + template + class repeat_until_loop_bc_node : public repeat_until_loop_node + { + public: + + typedef repeat_until_loop_node parent_t; + typedef expression_node* expression_ptr; + + repeat_until_loop_bc_node(expression_ptr condition, + expression_ptr loop_body) + : parent_t(condition, loop_body) + { + assert(parent_t::valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + do + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + while (is_false(parent_t::condition_.first)); + + return result; + } + }; + + template + class repeat_until_loop_bc_rtc_node exprtk_final + : public repeat_until_loop_bc_node + , public loop_runtime_checker + { + public: + + typedef repeat_until_loop_bc_node parent_t; + typedef expression_node* expression_ptr; + + repeat_until_loop_bc_rtc_node(expression_ptr condition, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(condition, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_repeat_until_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + loop_runtime_checker::reset(); + + do + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + while (is_false(parent_t::condition_.first) && loop_runtime_checker::check()); + + return result; + } + + using parent_t::valid; + + inline bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + + template + class for_loop_bc_node : public for_loop_node + { + public: + + typedef for_loop_node parent_t; + typedef expression_node* expression_ptr; + + for_loop_bc_node(expression_ptr initialiser, + expression_ptr condition, + expression_ptr incrementor, + expression_ptr loop_body) + : parent_t(initialiser, condition, incrementor, loop_body) + { + assert(parent_t::valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + if (parent_t::initialiser_.first) + parent_t::initialiser_.first->value(); + + if (parent_t::incrementor_.first) + { + while (is_true(parent_t::condition_)) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + + parent_t::incrementor_.first->value(); + } + } + else + { + while (is_true(parent_t::condition_)) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + } + + return result; + } + }; + + template + class for_loop_bc_rtc_node exprtk_final + : public for_loop_bc_node + , public loop_runtime_checker + { + public: + + typedef for_loop_bc_node parent_t; + typedef expression_node* expression_ptr; + + for_loop_bc_rtc_node(expression_ptr initialiser, + expression_ptr condition, + expression_ptr incrementor, + expression_ptr loop_body, + loop_runtime_check_ptr loop_rt_chk) + : parent_t(initialiser, condition, incrementor, loop_body) + , loop_runtime_checker(loop_rt_chk, loop_runtime_check::e_for_loop) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T result = T(0); + + loop_runtime_checker::reset(); + + if (parent_t::initialiser_.first) + parent_t::initialiser_.first->value(); + + if (parent_t::incrementor_.first) + { + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + + parent_t::incrementor_.first->value(); + } + } + else + { + while (is_true(parent_t::condition_) && loop_runtime_checker::check()) + { + try + { + result = parent_t::loop_body_.first->value(); + } + catch(const break_exception& e) + { + return e.value; + } + catch(const continue_exception&) + {} + } + } + + return result; + } + + using parent_t::valid; + + inline bool valid() const exprtk_override exprtk_final + { + return parent_t::valid() && + loop_runtime_checker::valid(); + } + }; + #endif + + template + class switch_node : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + template class Sequence> + explicit switch_node(const Sequence& arg_list) + { + if (1 != (arg_list.size() & 1)) + return; + + arg_list_.resize(arg_list.size()); + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (arg_list[i] && arg_list[i]->valid()) + { + construct_branch_pair(arg_list_[i], arg_list[i]); + } + else + { + arg_list_.clear(); + return; + } + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + const std::size_t upper_bound = (arg_list_.size() - 1); + + for (std::size_t i = 0; i < upper_bound; i += 2) + { + expression_ptr condition = arg_list_[i ].first; + expression_ptr consequent = arg_list_[i + 1].first; + + if (is_true(condition)) + { + return consequent->value(); + } + } + + return arg_list_[upper_bound].first->value(); + } + + inline typename expression_node::node_type type() const exprtk_override exprtk_final + { + return expression_node::e_switch; + } + + inline bool valid() const exprtk_override + { + return !arg_list_.empty(); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(arg_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override exprtk_final + { + return expression_node::ndb_t::compute_node_depth(arg_list_); + } + + protected: + + std::vector arg_list_; + }; + + template + class switch_n_node exprtk_final : public switch_node + { + public: + + typedef expression_node* expression_ptr; + + template class Sequence> + explicit switch_n_node(const Sequence& arg_list) + : switch_node(arg_list) + {} + + inline T value() const exprtk_override + { + return Switch_N::process(switch_node::arg_list_); + } + }; + + template + class multi_switch_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + template class Sequence> + explicit multi_switch_node(const Sequence& arg_list) + { + if (0 != (arg_list.size() & 1)) + return; + + arg_list_.resize(arg_list.size()); + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (arg_list[i] && arg_list[i]->valid()) + { + construct_branch_pair(arg_list_[i], arg_list[i]); + } + else + { + arg_list_.clear(); + return; + } + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + const std::size_t upper_bound = (arg_list_.size() - 1); + + T result = T(0); + + for (std::size_t i = 0; i < upper_bound; i += 2) + { + expression_ptr condition = arg_list_[i ].first; + expression_ptr consequent = arg_list_[i + 1].first; + + if (is_true(condition)) + { + result = consequent->value(); + } + } + + return result; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_mswitch; + } + + inline bool valid() const exprtk_override + { + return !arg_list_.empty() && (0 == (arg_list_.size() % 2)); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(arg_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override exprtk_final + { + return expression_node::ndb_t::compute_node_depth(arg_list_); + } + + private: + + std::vector arg_list_; + }; + + template + class ivariable + { + public: + + virtual ~ivariable() + {} + + virtual T& ref() = 0; + virtual const T& ref() const = 0; + }; + + template + class variable_node exprtk_final + : public expression_node + , public ivariable + { + public: + + static T null_value; + + explicit variable_node() + : value_(&null_value) + {} + + explicit variable_node(T& v) + : value_(&v) + {} + + inline bool operator <(const variable_node& v) const + { + return this < (&v); + } + + inline T value() const exprtk_override + { + return (*value_); + } + + inline T& ref() exprtk_override + { + return (*value_); + } + + inline const T& ref() const exprtk_override + { + return (*value_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_variable; + } + + private: + + T* value_; + }; + + template + T variable_node::null_value = T(std::numeric_limits::quiet_NaN()); + + template + struct range_pack + { + typedef expression_node* expression_node_ptr; + typedef std::pair cached_range_t; + + range_pack() + : n0_e (std::make_pair(false,expression_node_ptr(0))) + , n1_e (std::make_pair(false,expression_node_ptr(0))) + , n0_c (std::make_pair(false,0)) + , n1_c (std::make_pair(false,0)) + , cache(std::make_pair(0,0)) + {} + + void clear() + { + n0_e = std::make_pair(false,expression_node_ptr(0)); + n1_e = std::make_pair(false,expression_node_ptr(0)); + n0_c = std::make_pair(false,0); + n1_c = std::make_pair(false,0); + cache = std::make_pair(0,0); + } + + void free() + { + if (n0_e.first && n0_e.second) + { + n0_e.first = false; + + if ( + !is_variable_node(n0_e.second) && + !is_string_node (n0_e.second) + ) + { + destroy_node(n0_e.second); + } + } + + if (n1_e.first && n1_e.second) + { + n1_e.first = false; + + if ( + !is_variable_node(n1_e.second) && + !is_string_node (n1_e.second) + ) + { + destroy_node(n1_e.second); + } + } + } + + bool const_range() const + { + return ( n0_c.first && n1_c.first) && + (!n0_e.first && !n1_e.first); + } + + bool var_range() const + { + return ( n0_e.first && n1_e.first) && + (!n0_c.first && !n1_c.first); + } + + bool operator() (std::size_t& r0, std::size_t& r1, + const std::size_t& size = std::numeric_limits::max()) const + { + if (n0_c.first) + r0 = n0_c.second; + else if (n0_e.first) + { + r0 = static_cast(details::numeric::to_int64(n0_e.second->value())); + } + else + return false; + + if (n1_c.first) + r1 = n1_c.second; + else if (n1_e.first) + { + r1 = static_cast(details::numeric::to_int64(n1_e.second->value())); + } + else + return false; + + if ( + (std::numeric_limits::max() != size) && + (std::numeric_limits::max() == r1 ) + ) + { + r1 = size; + } + + cache.first = r0; + cache.second = r1; + + #ifndef exprtk_enable_range_runtime_checks + return (r0 <= r1); + #else + return range_runtime_check(r0, r1, size); + #endif + } + + inline std::size_t const_size() const + { + return (n1_c.second - n0_c.second); + } + + inline std::size_t cache_size() const + { + return (cache.second - cache.first); + } + + std::pair n0_e; + std::pair n1_e; + std::pair n0_c; + std::pair n1_c; + mutable cached_range_t cache; + + #ifdef exprtk_enable_range_runtime_checks + bool range_runtime_check(const std::size_t r0, + const std::size_t r1, + const std::size_t size) const + { + if (r0 > size) + { + throw std::runtime_error("range error: (r0 < 0) || (r0 > size)"); + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return false; + #endif + } + + if (r1 > size) + { + throw std::runtime_error("range error: (r1 < 0) || (r1 > size)"); + #if !defined(_MSC_VER) && !defined(__NVCOMPILER) + return false; + #endif + } + + return (r0 <= r1); + } + #endif + }; + + template + class string_base_node; + + template + struct range_data_type + { + typedef range_pack range_t; + typedef string_base_node* strbase_ptr_t; + + range_data_type() + : range(0) + , data (0) + , size (0) + , type_size(0) + , str_node (0) + {} + + range_t* range; + void* data; + std::size_t size; + std::size_t type_size; + strbase_ptr_t str_node; + }; + + template class vector_node; + + template + class vector_interface + { + public: + + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + virtual ~vector_interface() + {} + + virtual std::size_t size () const = 0; + + virtual std::size_t base_size() const = 0; + + virtual vector_node_ptr vec () const = 0; + + virtual vector_node_ptr vec () = 0; + + virtual vds_t& vds () = 0; + + virtual const vds_t& vds () const = 0; + + virtual bool side_effect () const { return false; } + }; + + template + class vector_node exprtk_final + : public expression_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + explicit vector_node(vector_holder_t* vh) + : vector_holder_(vh) + , vds_((*vector_holder_).size(),(*vector_holder_)[0]) + { + vector_holder_->set_ref(&vds_.ref()); + } + + vector_node(const vds_t& vds, vector_holder_t* vh) + : vector_holder_(vh) + , vds_(vds) + {} + + ~vector_node() exprtk_override + { + assert(valid()); + vector_holder_->remove_ref(&vds_.ref()); + } + + inline T value() const exprtk_override + { + return vds().data()[0]; + } + + vector_node_ptr vec() const exprtk_override + { + return const_cast(this); + } + + vector_node_ptr vec() exprtk_override + { + return this; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vector; + } + + inline bool valid() const exprtk_override + { + return vector_holder_; + } + + std::size_t size() const exprtk_override + { + return vec_holder().size(); + } + + std::size_t base_size() const exprtk_override + { + return vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + inline vector_holder_t& vec_holder() const + { + return (*vector_holder_); + } + + private: + + vector_holder_t* vector_holder_; + vds_t vds_; + }; + + template + class vector_size_node exprtk_final + : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + + explicit vector_size_node(vector_holder_t* vh) + : vector_holder_(vh) + {} + + ~vector_size_node() exprtk_override + { + assert(valid()); + } + + inline T value() const exprtk_override + { + assert(vector_holder_); + return static_cast(vector_holder_->size()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecsize; + } + + inline bool valid() const exprtk_override + { + return vector_holder_ && vector_holder_->size(); + } + + inline vector_holder_t* vec_holder() + { + return vector_holder_; + } + + private: + + vector_holder_t* vector_holder_; + }; + + template + class vector_elem_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + vector_elem_node(expression_ptr vec_node, + expression_ptr index, + vector_holder_ptr vec_holder) + : vector_holder_(vec_holder) + , vector_base_((*vec_holder)[0]) + { + construct_branch_pair(vector_node_, vec_node); + construct_branch_pair(index_ , index ); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecelem; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + index_.first && + vector_node_.first && + index_.first->valid() && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + expression_node::ndb_t::collect(index_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (vector_node_, index_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + return (vector_base_ + details::numeric::to_uint64(index_.first->value())); + } + + vector_holder_ptr vector_holder_; + T* vector_base_; + branch_t vector_node_; + branch_t index_; + }; + + template + class vector_celem_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + vector_celem_node(expression_ptr vec_node, + const std::size_t index, + vector_holder_ptr vec_holder) + : index_(index) + , vector_holder_(vec_holder) + , vector_base_((*vec_holder)[0]) + { + construct_branch_pair(vector_node_, vec_node); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_veccelem; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + vector_node_.first && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(vector_node_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + return (vector_base_ + index_); + } + + const std::size_t index_; + vector_holder_ptr vector_holder_; + T* vector_base_; + branch_t vector_node_; + }; + + template + class vector_elem_rtc_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + vector_elem_rtc_node(expression_ptr vec_node, + expression_ptr index, + vector_holder_ptr vec_holder, + vector_access_runtime_check_ptr vec_rt_chk) + : vector_holder_(vec_holder) + , vector_base_((*vec_holder)[0]) + , vec_rt_chk_(vec_rt_chk) + , max_vector_index_(vector_holder_->size() - 1) + { + construct_branch_pair(vector_node_, vec_node); + construct_branch_pair(index_ , index ); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecelemrtc; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + index_.first && + vector_node_.first && + index_.first->valid() && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + expression_node::ndb_t::collect(index_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (vector_node_, index_); + } + + private: + + inline T* access_vector() const + { + const _uint64_t index = details::numeric::to_uint64(index_.first->value()); + vector_node_.first->value(); + + if (index <= max_vector_index_) + { + return (vector_holder_->data() + index); + } + + assert(vec_rt_chk_); + + vector_access_runtime_check::violation_context context; + context.base_ptr = reinterpret_cast(vector_base_); + context.end_ptr = reinterpret_cast(vector_base_ + vector_holder_->size()); + context.access_ptr = reinterpret_cast(vector_base_ + index); + context.type_size = sizeof(T); + + return vec_rt_chk_->handle_runtime_violation(context) ? + reinterpret_cast(context.access_ptr) : + vector_base_ ; + } + + vector_holder_ptr vector_holder_; + T* vector_base_; + branch_t vector_node_; + branch_t index_; + vector_access_runtime_check_ptr vec_rt_chk_; + const std::size_t max_vector_index_; + }; + + template + class vector_celem_rtc_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + vector_celem_rtc_node(expression_ptr vec_node, + const std::size_t index, + vector_holder_ptr vec_holder, + vector_access_runtime_check_ptr vec_rt_chk) + : index_(index) + , max_vector_index_(vec_holder->size() - 1) + , vector_holder_(vec_holder) + , vector_base_((*vec_holder)[0]) + , vec_rt_chk_(vec_rt_chk) + { + construct_branch_pair(vector_node_, vec_node); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_veccelemrtc; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + vector_node_.first && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(vector_node_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + + if (index_ <= max_vector_index_) + { + return (vector_holder_->data() + index_); + } + + assert(vec_rt_chk_); + + vector_access_runtime_check::violation_context context; + context.base_ptr = reinterpret_cast(vector_base_); + context.end_ptr = reinterpret_cast(vector_base_ + vector_holder_->size()); + context.access_ptr = reinterpret_cast(vector_base_ + index_); + context.type_size = sizeof(T); + + return vec_rt_chk_->handle_runtime_violation(context) ? + reinterpret_cast(context.access_ptr) : + vector_base_ ; + } + + const std::size_t index_; + const std::size_t max_vector_index_; + vector_holder_ptr vector_holder_; + T* vector_base_; + branch_t vector_node_; + vector_access_runtime_check_ptr vec_rt_chk_; + }; + + template + class rebasevector_elem_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef std::pair branch_t; + + rebasevector_elem_node(expression_ptr vec_node, + expression_ptr index, + vector_holder_ptr vec_holder) + : vector_holder_(vec_holder) + { + construct_branch_pair(vector_node_, vec_node); + construct_branch_pair(index_ , index ); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_rbvecelem; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + index_.first && + vector_node_.first && + index_.first->valid() && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + expression_node::ndb_t::collect(index_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (vector_node_, index_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + return (vector_holder_->data() + details::numeric::to_uint64(index_.first->value())); + } + + vector_holder_ptr vector_holder_; + branch_t vector_node_; + branch_t index_; + }; + + template + class rebasevector_celem_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + rebasevector_celem_node(expression_ptr vec_node, + const std::size_t index, + vector_holder_ptr vec_holder) + : index_(index) + , vector_holder_(vec_holder) + { + construct_branch_pair(vector_node_, vec_node); + assert(valid()); + } + + inline T value() const exprtk_override + { + vector_node_.first->value(); + return ref(); + } + + inline T& ref() exprtk_override + { + return *(vector_holder_->data() + index_); + } + + inline const T& ref() const exprtk_override + { + return *(vector_holder_->data() + index_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_rbveccelem; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + vector_node_.first && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(vector_node_); + } + + private: + + const std::size_t index_; + vector_holder_ptr vector_holder_; + branch_t vector_node_; + }; + + template + class rebasevector_elem_rtc_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + rebasevector_elem_rtc_node(expression_ptr vec_node, + expression_ptr index, + vector_holder_ptr vec_holder, + vector_access_runtime_check_ptr vec_rt_chk) + : vector_holder_(vec_holder) + , vec_rt_chk_(vec_rt_chk) + { + construct_branch_pair(vector_node_, vec_node); + construct_branch_pair(index_ , index ); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_rbvecelemrtc; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + index_.first && + vector_node_.first && + index_.first->valid() && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + expression_node::ndb_t::collect(index_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (vector_node_, index_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + const _uint64_t index = details::numeric::to_uint64(index_.first->value()); + + if (index <= (vector_holder_->size() - 1)) + { + return (vector_holder_->data() + index); + } + + assert(vec_rt_chk_); + + vector_access_runtime_check::violation_context context; + context.base_ptr = reinterpret_cast(vector_holder_->data()); + context.end_ptr = reinterpret_cast(vector_holder_->data() + vector_holder_->size()); + context.access_ptr = reinterpret_cast(vector_holder_->data() + index); + context.type_size = sizeof(T); + + return vec_rt_chk_->handle_runtime_violation(context) ? + reinterpret_cast(context.access_ptr) : + vector_holder_->data() ; + } + + vector_holder_ptr vector_holder_; + branch_t vector_node_; + branch_t index_; + vector_access_runtime_check_ptr vec_rt_chk_; + }; + + template + class rebasevector_celem_rtc_node exprtk_final + : public expression_node + , public ivariable + { + public: + + typedef expression_node* expression_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef std::pair branch_t; + + rebasevector_celem_rtc_node(expression_ptr vec_node, + const std::size_t index, + vector_holder_ptr vec_holder, + vector_access_runtime_check_ptr vec_rt_chk) + : index_(index) + , vector_holder_(vec_holder) + , vector_base_((*vec_holder)[0]) + , vec_rt_chk_(vec_rt_chk) + { + construct_branch_pair(vector_node_, vec_node); + assert(valid()); + } + + inline T value() const exprtk_override + { + return *access_vector(); + } + + inline T& ref() exprtk_override + { + return *access_vector(); + } + + inline const T& ref() const exprtk_override + { + return *access_vector(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_rbveccelemrtc; + } + + inline bool valid() const exprtk_override + { + return + vector_holder_ && + vector_node_.first && + vector_node_.first->valid(); + } + + inline vector_holder_t& vec_holder() + { + return (*vector_holder_); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(vector_node_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(vector_node_); + } + + private: + + inline T* access_vector() const + { + vector_node_.first->value(); + + if (index_ <= vector_holder_->size() - 1) + { + return (vector_holder_->data() + index_); + } + + assert(vec_rt_chk_); + + vector_access_runtime_check::violation_context context; + context.base_ptr = reinterpret_cast(vector_base_); + context.end_ptr = reinterpret_cast(vector_base_ + vector_holder_->size()); + context.access_ptr = reinterpret_cast(vector_base_ + index_); + context.type_size = sizeof(T); + + return vec_rt_chk_->handle_runtime_violation(context) ? + reinterpret_cast(context.access_ptr) : + vector_base_ ; + } + + const std::size_t index_; + vector_holder_ptr vector_holder_; + T* vector_base_; + branch_t vector_node_; + vector_access_runtime_check_ptr vec_rt_chk_; + }; + + template + class vector_initialisation_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_initialisation_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list, + const bool single_value_initialse) + : vector_base_(vector_base) + , initialiser_list_(initialiser_list) + , size_(size) + , single_value_initialse_(single_value_initialse) + , zero_value_initialse_(false) + , const_nonzero_literal_value_initialse_(false) + , single_initialiser_value_(T(0)) + { + if (single_value_initialse_) + { + if (initialiser_list_.empty()) + zero_value_initialse_ = true; + else if ( + (initialiser_list_.size() == 1) && + details::is_constant_node(initialiser_list_[0]) && + (T(0) == initialiser_list_[0]->value()) + ) + { + zero_value_initialse_ = true; + } + else + { + assert(initialiser_list_.size() == 1); + + if (details::is_constant_node(initialiser_list_[0])) + { + const_nonzero_literal_value_initialse_ = true; + single_initialiser_value_ = initialiser_list_[0]->value(); + assert(T(0) != single_initialiser_value_); + } + } + } + } + + inline T value() const exprtk_override + { + if (single_value_initialse_) + { + if (zero_value_initialse_) + { + details::set_zero_value(vector_base_, size_); + } + else if (const_nonzero_literal_value_initialse_) + { + for (std::size_t i = 0; i < size_; ++i) + { + *(vector_base_ + i) = single_initialiser_value_; + } + } + else + { + for (std::size_t i = 0; i < size_; ++i) + { + *(vector_base_ + i) = initialiser_list_[0]->value(); + } + } + } + else + { + const std::size_t initialiser_list_size = initialiser_list_.size(); + + for (std::size_t i = 0; i < initialiser_list_size; ++i) + { + *(vector_base_ + i) = initialiser_list_[i]->value(); + } + + if (initialiser_list_size < size_) + { + details::set_zero_value( + vector_base_ + initialiser_list_size, + (size_ - initialiser_list_size)); + } + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_initialisation_node(const vector_initialisation_node&) exprtk_delete; + vector_initialisation_node& operator=(const vector_initialisation_node&) exprtk_delete; + + mutable T* vector_base_; + std::vector initialiser_list_; + const std::size_t size_; + const bool single_value_initialse_; + bool zero_value_initialse_; + bool const_nonzero_literal_value_initialse_; + T single_initialiser_value_; + }; + + template + class vector_init_zero_value_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_zero_value_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + {} + + inline T value() const exprtk_override + { + details::set_zero_value(vector_base_, size_); + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_zero_value_node(const vector_init_zero_value_node&) exprtk_delete; + vector_init_zero_value_node& operator=(const vector_init_zero_value_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + }; + + template + class vector_init_single_constvalue_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_single_constvalue_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + single_initialiser_value_ = initialiser_list_[0]->value(); + assert(valid()); + } + + inline T value() const exprtk_override + { + for (std::size_t i = 0; i < size_; ++i) + { + *(vector_base_ + i) = single_initialiser_value_; + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 1) && + (details::is_constant_node(initialiser_list_[0])) && + (single_initialiser_value_ != T(0)); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_single_constvalue_node(const vector_init_single_constvalue_node&) exprtk_delete; + vector_init_single_constvalue_node& operator=(const vector_init_single_constvalue_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + T single_initialiser_value_; + }; + + template + class vector_init_single_value_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_single_value_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + expression_node& node = *initialiser_list_[0]; + + for (std::size_t i = 0; i < size_; ++i) + { + *(vector_base_ + i) = node.value(); + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 1) && + !details::is_constant_node(initialiser_list_[0]); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_single_value_node(const vector_init_single_value_node&) exprtk_delete; + vector_init_single_value_node& operator=(const vector_init_single_value_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + }; + + template + class vector_init_iota_constconst_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_iota_constconst_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + base_value_ = initialiser_list_[0]->value(); + increment_value_ = initialiser_list_[1]->value(); + + assert(valid()); + } + + inline T value() const exprtk_override + { + T value = base_value_; + + for (std::size_t i = 0; i < size_; ++i, value += increment_value_) + { + *(vector_base_ + i) = value; + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 2) && + (details::is_constant_node(initialiser_list_[0])) && + (details::is_constant_node(initialiser_list_[1])) ; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_iota_constconst_node(const vector_init_iota_constconst_node&) exprtk_delete; + vector_init_iota_constconst_node& operator=(const vector_init_iota_constconst_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + T base_value_; + T increment_value_; + }; + + template + class vector_init_iota_constnconst_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_iota_constnconst_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + assert(valid()); + base_value_ = initialiser_list_[0]->value(); + } + + inline T value() const exprtk_override + { + T value = base_value_; + expression_node& increment = *initialiser_list_[1]; + + for (std::size_t i = 0; i < size_; ++i, value += increment.value()) + { + *(vector_base_ + i) = value; + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 2) && + ( details::is_constant_node(initialiser_list_[0])) && + (!details::is_constant_node(initialiser_list_[1])); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_iota_constnconst_node(const vector_init_iota_constnconst_node&) exprtk_delete; + vector_init_iota_constnconst_node& operator=(const vector_init_iota_constnconst_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + T base_value_; + }; + + template + class vector_init_iota_nconstconst_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_iota_nconstconst_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T value = initialiser_list_[0]->value(); + const T increment = initialiser_list_[1]->value(); + + for (std::size_t i = 0; i < size_; ++i, value += increment) + { + *(vector_base_ + i) = value; + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 2) && + (!details::is_constant_node(initialiser_list_[0])) && + (details::is_constant_node(initialiser_list_[1])); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_iota_nconstconst_node(const vector_init_iota_nconstconst_node&) exprtk_delete; + vector_init_iota_nconstconst_node& operator=(const vector_init_iota_nconstconst_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + }; + + template + class vector_init_iota_nconstnconst_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vector_init_iota_nconstnconst_node(T* vector_base, + const std::size_t& size, + const std::vector& initialiser_list) + : vector_base_(vector_base) + , size_(size) + , initialiser_list_(initialiser_list) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + T value = initialiser_list_[0]->value(); + expression_node& increment = *initialiser_list_[1]; + + for (std::size_t i = 0; i < size_; ++i, value += increment.value()) + { + *(vector_base_ + i) = value; + } + + return *(vector_base_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecinit; + } + + inline bool valid() const exprtk_override + { + return vector_base_ && + (initialiser_list_.size() == 2) && + (!details::is_constant_node(initialiser_list_[0])) && + (!details::is_constant_node(initialiser_list_[1])); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(initialiser_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(initialiser_list_); + } + + private: + + vector_init_iota_nconstnconst_node(const vector_init_iota_nconstnconst_node&) exprtk_delete; + vector_init_iota_nconstnconst_node& operator=(const vector_init_iota_nconstnconst_node&) exprtk_delete; + + mutable T* vector_base_; + const std::size_t size_; + std::vector initialiser_list_; + }; + + template + class swap_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef variable_node* variable_node_ptr; + + swap_node(variable_node_ptr var0, variable_node_ptr var1) + : var0_(var0) + , var1_(var1) + {} + + inline T value() const exprtk_override + { + std::swap(var0_->ref(),var1_->ref()); + return var1_->ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_swap; + } + + private: + + variable_node_ptr var0_; + variable_node_ptr var1_; + }; + + template + class swap_generic_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + typedef ivariable* ivariable_ptr; + + swap_generic_node(expression_ptr var0, expression_ptr var1) + : binary_node(details::e_swap, var0, var1) + , var0_(dynamic_cast(var0)) + , var1_(dynamic_cast(var1)) + {} + + inline T value() const exprtk_override + { + std::swap(var0_->ref(),var1_->ref()); + return var1_->ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_swap; + } + + private: + + ivariable_ptr var0_; + ivariable_ptr var1_; + }; + + template + class swap_vecvec_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node * vector_node_ptr; + typedef vec_data_store vds_t; + + using binary_node::branch; + + swap_vecvec_node(expression_ptr branch0, + expression_ptr branch1) + : binary_node(details::e_swap, branch0, branch1) + , vec0_node_ptr_(0) + , vec1_node_ptr_(0) + , initialised_ (false) + { + if (is_ivector_node(branch(0))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(0)))) + { + vec0_node_ptr_ = vi->vec(); + vds() = vi->vds(); + } + } + + if (is_ivector_node(branch(1))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(1)))) + { + vec1_node_ptr_ = vi->vec(); + } + } + + if (vec0_node_ptr_ && vec1_node_ptr_) + { + initialised_ = size() <= base_size(); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + binary_node::branch(0)->value(); + binary_node::branch(1)->value(); + + T* vec0 = vec0_node_ptr_->vds().data(); + T* vec1 = vec1_node_ptr_->vds().data(); + + assert(size() <= base_size()); + const std::size_t n = size(); + + for (std::size_t i = 0; i < n; ++i) + { + std::swap(vec0[i],vec1[i]); + } + + return vec1_node_ptr_->value(); + } + + vector_node_ptr vec() const exprtk_override + { + return vec0_node_ptr_; + } + + vector_node_ptr vec() exprtk_override + { + return vec0_node_ptr_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvecswap; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + std::size_t size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().size(), + vec1_node_ptr_->vec_holder().size()); + } + + std::size_t base_size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().base_size(), + vec1_node_ptr_->vec_holder().base_size()); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node* vec0_node_ptr_; + vector_node* vec1_node_ptr_; + bool initialised_; + vds_t vds_; + }; + + #ifndef exprtk_disable_string_capabilities + template + class stringvar_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + + static std::string null_value; + + explicit stringvar_node() + : value_(&null_value) + {} + + explicit stringvar_node(std::string& v) + : value_(&v) + { + rp_.n0_c = std::make_pair(true,0); + rp_.n1_c = std::make_pair(true,v.size()); + rp_.cache.first = rp_.n0_c.second; + rp_.cache.second = rp_.n1_c.second; + } + + inline bool operator <(const stringvar_node& v) const + { + return this < (&v); + } + + inline T value() const exprtk_override + { + rp_.n1_c.second = (*value_).size(); + rp_.cache.second = rp_.n1_c.second; + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return ref(); + } + + char_cptr base() const exprtk_override + { + return &(*value_)[0]; + } + + std::size_t size() const exprtk_override + { + return ref().size(); + } + + std::string& ref() + { + return (*value_); + } + + const std::string& ref() const + { + return (*value_); + } + + range_t& range_ref() exprtk_override + { + return rp_; + } + + const range_t& range_ref() const exprtk_override + { + return rp_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringvar; + } + + void rebase(std::string& s) + { + value_ = &s; + rp_.n0_c = std::make_pair(true,0); + rp_.n1_c = std::make_pair(true,value_->size() - 1); + rp_.cache.first = rp_.n0_c.second; + rp_.cache.second = rp_.n1_c.second; + } + + private: + + std::string* value_; + mutable range_t rp_; + }; + + template + std::string stringvar_node::null_value = std::string(""); + + template + class string_range_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + + static std::string null_value; + + explicit string_range_node(std::string& v, const range_t& rp) + : value_(&v) + , rp_(rp) + {} + + virtual ~string_range_node() + { + rp_.free(); + } + + inline bool operator <(const string_range_node& v) const + { + return this < (&v); + } + + inline T value() const exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline std::string str() const exprtk_override + { + return (*value_); + } + + char_cptr base() const exprtk_override + { + return &(*value_)[0]; + } + + std::size_t size() const exprtk_override + { + return ref().size(); + } + + inline range_t range() const + { + return rp_; + } + + inline virtual std::string& ref() + { + return (*value_); + } + + inline virtual const std::string& ref() const + { + return (*value_); + } + + inline range_t& range_ref() exprtk_override + { + return rp_; + } + + inline const range_t& range_ref() const exprtk_override + { + return rp_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringvarrng; + } + + private: + + std::string* value_; + range_t rp_; + }; + + template + std::string string_range_node::null_value = std::string(""); + + template + class const_string_range_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + + explicit const_string_range_node(const std::string& v, const range_t& rp) + : value_(v) + , rp_(rp) + {} + + ~const_string_range_node() exprtk_override + { + rp_.free(); + } + + inline T value() const exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return value_; + } + + char_cptr base() const exprtk_override + { + return value_.data(); + } + + std::size_t size() const exprtk_override + { + return value_.size(); + } + + range_t range() const + { + return rp_; + } + + range_t& range_ref() exprtk_override + { + return rp_; + } + + const range_t& range_ref() const exprtk_override + { + return rp_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_cstringvarrng; + } + + private: + + const_string_range_node(const const_string_range_node&) exprtk_delete; + const_string_range_node& operator=(const const_string_range_node&) exprtk_delete; + + const std::string value_; + range_t rp_; + }; + + template + class generic_string_range_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef expression_node * expression_ptr; + typedef stringvar_node * strvar_node_ptr; + typedef string_base_node* str_base_ptr; + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef std::pair branch_t; + + generic_string_range_node(expression_ptr str_branch, const range_t& brange) + : initialised_(false) + , str_base_ptr_ (0) + , str_range_ptr_(0) + , base_range_(brange) + { + range_.n0_c = std::make_pair(true,0); + range_.n1_c = std::make_pair(true,0); + range_.cache.first = range_.n0_c.second; + range_.cache.second = range_.n1_c.second; + + construct_branch_pair(branch_, str_branch); + + if (is_generally_string_node(branch_.first)) + { + str_base_ptr_ = dynamic_cast(branch_.first); + + if (0 == str_base_ptr_) + return; + + str_range_ptr_ = dynamic_cast(branch_.first); + + if (0 == str_range_ptr_) + return; + } + + initialised_ = (str_base_ptr_ && str_range_ptr_); + assert(valid()); + } + + ~generic_string_range_node() exprtk_override + { + base_range_.free(); + } + + inline T value() const exprtk_override + { + branch_.first->value(); + + std::size_t str_r0 = 0; + std::size_t str_r1 = 0; + + std::size_t r0 = 0; + std::size_t r1 = 0; + + const range_t& range = str_range_ptr_->range_ref(); + + const std::size_t base_str_size = str_base_ptr_->size(); + + if ( + range (str_r0, str_r1, base_str_size ) && + base_range_(r0 , r1 , base_str_size - str_r0) + ) + { + const std::size_t size = r1 - r0; + + range_.n1_c.second = size; + range_.cache.second = range_.n1_c.second; + + value_.assign(str_base_ptr_->base() + str_r0 + r0, size); + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return value_; + } + + char_cptr base() const exprtk_override + { + return &value_[0]; + } + + std::size_t size() const exprtk_override + { + return value_.size(); + } + + range_t& range_ref() exprtk_override + { + return range_; + } + + const range_t& range_ref() const exprtk_override + { + return range_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strgenrange; + } + + inline bool valid() const exprtk_override + { + return initialised_ && branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + bool initialised_; + branch_t branch_; + str_base_ptr str_base_ptr_; + irange_ptr str_range_ptr_; + mutable range_t base_range_; + mutable range_t range_; + mutable std::string value_; + }; + + template + class string_concat_node exprtk_final + : public binary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef range_t* range_ptr; + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + + using binary_node::branch; + + string_concat_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , initialised_(false) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_range_ptr_(0) + , str1_range_ptr_(0) + { + range_.n0_c = std::make_pair(true,0); + range_.n1_c = std::make_pair(true,0); + + range_.cache.first = range_.n0_c.second; + range_.cache.second = range_.n1_c.second; + + if (is_generally_string_node(branch(0))) + { + str0_base_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_base_ptr_) + return; + + str0_range_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_range_ptr_) + return; + } + + if (is_generally_string_node(branch(1))) + { + str1_base_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_base_ptr_) + return; + + str1_range_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_range_ptr_) + return; + } + + initialised_ = str0_base_ptr_ && + str1_base_ptr_ && + str0_range_ptr_ && + str1_range_ptr_ ; + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + std::size_t str0_r0 = 0; + std::size_t str0_r1 = 0; + + std::size_t str1_r0 = 0; + std::size_t str1_r1 = 0; + + const range_t& range0 = str0_range_ptr_->range_ref(); + const range_t& range1 = str1_range_ptr_->range_ref(); + + if ( + range0(str0_r0, str0_r1, str0_base_ptr_->size()) && + range1(str1_r0, str1_r1, str1_base_ptr_->size()) + ) + { + const std::size_t size0 = (str0_r1 - str0_r0); + const std::size_t size1 = (str1_r1 - str1_r0); + + value_.assign(str0_base_ptr_->base() + str0_r0, size0); + value_.append(str1_base_ptr_->base() + str1_r0, size1); + + range_.n1_c.second = value_.size(); + range_.cache.second = range_.n1_c.second; + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return value_; + } + + char_cptr base() const exprtk_override + { + return &value_[0]; + } + + std::size_t size() const exprtk_override + { + return value_.size(); + } + + range_t& range_ref() exprtk_override + { + return range_; + } + + const range_t& range_ref() const exprtk_override + { + return range_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strconcat; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + private: + + bool initialised_; + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + irange_ptr str0_range_ptr_; + irange_ptr str1_range_ptr_; + mutable range_t range_; + mutable std::string value_; + }; + + template + class swap_string_node exprtk_final + : public binary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef stringvar_node * strvar_node_ptr; + typedef string_base_node* str_base_ptr; + + using binary_node::branch; + + swap_string_node(expression_ptr branch0, expression_ptr branch1) + : binary_node(details::e_swap, branch0, branch1) + , initialised_(false) + , str0_node_ptr_(0) + , str1_node_ptr_(0) + { + if (is_string_node(branch(0))) + { + str0_node_ptr_ = static_cast(branch(0)); + } + + if (is_string_node(branch(1))) + { + str1_node_ptr_ = static_cast(branch(1)); + } + + initialised_ = (str0_node_ptr_ && str1_node_ptr_); + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + std::swap(str0_node_ptr_->ref(), str1_node_ptr_->ref()); + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return str0_node_ptr_->str(); + } + + char_cptr base() const exprtk_override + { + return str0_node_ptr_->base(); + } + + std::size_t size() const exprtk_override + { + return str0_node_ptr_->size(); + } + + range_t& range_ref() exprtk_override + { + return str0_node_ptr_->range_ref(); + } + + const range_t& range_ref() const exprtk_override + { + return str0_node_ptr_->range_ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strswap; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + private: + + bool initialised_; + strvar_node_ptr str0_node_ptr_; + strvar_node_ptr str1_node_ptr_; + }; + + template + class swap_genstrings_node exprtk_final : public binary_node + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + + using binary_node::branch; + + swap_genstrings_node(expression_ptr branch0, + expression_ptr branch1) + : binary_node(details::e_default, branch0, branch1) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_range_ptr_(0) + , str1_range_ptr_(0) + , initialised_(false) + { + if (is_generally_string_node(branch(0))) + { + str0_base_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(0)); + + if (0 == range) + return; + + str0_range_ptr_ = &(range->range_ref()); + } + + if (is_generally_string_node(branch(1))) + { + str1_base_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(1)); + + if (0 == range) + return; + + str1_range_ptr_ = &(range->range_ref()); + } + + initialised_ = str0_base_ptr_ && + str1_base_ptr_ && + str0_range_ptr_ && + str1_range_ptr_ ; + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + std::size_t str0_r0 = 0; + std::size_t str0_r1 = 0; + + std::size_t str1_r0 = 0; + std::size_t str1_r1 = 0; + + const range_t& range0 = (*str0_range_ptr_); + const range_t& range1 = (*str1_range_ptr_); + + if ( + range0(str0_r0, str0_r1, str0_base_ptr_->size()) && + range1(str1_r0, str1_r1, str1_base_ptr_->size()) + ) + { + const std::size_t size0 = range0.cache_size(); + const std::size_t size1 = range1.cache_size(); + const std::size_t max_size = std::min(size0,size1); + + char_ptr s0 = const_cast(str0_base_ptr_->base() + str0_r0); + char_ptr s1 = const_cast(str1_base_ptr_->base() + str1_r0); + + loop_unroll::details lud(max_size); + char_cptr upper_bound = s0 + lud.upper_bound; + + while (s0 < upper_bound) + { + #define exprtk_loop(N) \ + std::swap(s0[N], s1[N]); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + s0 += lud.batch_size; + s1 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N) \ + case N : { std::swap(s0[i], s1[i]); ++i; } \ + exprtk_fallthrough \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15) case_stmt(14) + case_stmt(13) case_stmt(12) + case_stmt(11) case_stmt(10) + case_stmt( 9) case_stmt( 8) + case_stmt( 7) case_stmt( 6) + case_stmt( 5) case_stmt( 4) + #endif + case_stmt( 3) case_stmt( 2) + case_stmt( 1) + default: break; + } + + #undef exprtk_loop + #undef case_stmt + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strswap; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + private: + + swap_genstrings_node(const swap_genstrings_node&) exprtk_delete; + swap_genstrings_node& operator=(const swap_genstrings_node&) exprtk_delete; + + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + range_ptr str0_range_ptr_; + range_ptr str1_range_ptr_; + bool initialised_; + }; + + template + class stringvar_size_node exprtk_final : public expression_node + { + public: + + static const std::string null_value; + + explicit stringvar_size_node() + : value_(&null_value) + {} + + explicit stringvar_size_node(std::string& v) + : value_(&v) + {} + + inline T value() const exprtk_override + { + return T((*value_).size()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringvarsize; + } + + private: + + const std::string* value_; + }; + + template + const std::string stringvar_size_node::null_value = std::string(""); + + template + class string_size_node exprtk_final : public expression_node + { + public: + + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + typedef std::pair branch_t; + + explicit string_size_node(expression_ptr branch) + : str_base_ptr_(0) + { + construct_branch_pair(branch_, branch); + + if (is_generally_string_node(branch_.first)) + { + str_base_ptr_ = dynamic_cast(branch_.first); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch_.first->value(); + return T(str_base_ptr_->size()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringsize; + } + + inline bool valid() const exprtk_override + { + return str_base_ptr_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + branch_t branch_; + str_base_ptr str_base_ptr_; + }; + + struct asn_assignment + { + static inline void execute(std::string& s, char_cptr data, const std::size_t size) + { s.assign(data,size); } + }; + + struct asn_addassignment + { + static inline void execute(std::string& s, char_cptr data, const std::size_t size) + { s.append(data,size); } + }; + + template + class assignment_string_node exprtk_final + : public binary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef stringvar_node * strvar_node_ptr; + typedef string_base_node* str_base_ptr; + + using binary_node::branch; + + assignment_string_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , initialised_(false) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_node_ptr_ (0) + , str1_range_ptr_(0) + { + if (is_string_node(branch(0))) + { + str0_node_ptr_ = static_cast(branch(0)); + str0_base_ptr_ = dynamic_cast(branch(0)); + } + + if (is_generally_string_node(branch(1))) + { + str1_base_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(1)); + + if (0 == range) + return; + + str1_range_ptr_ = &(range->range_ref()); + } + + initialised_ = str0_base_ptr_ && + str1_base_ptr_ && + str0_node_ptr_ && + str1_range_ptr_ ; + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(1)->value(); + + std::size_t r0 = 0; + std::size_t r1 = 0; + + const range_t& range = (*str1_range_ptr_); + + if (range(r0, r1, str1_base_ptr_->size())) + { + AssignmentProcess::execute( + str0_node_ptr_->ref(), + str1_base_ptr_->base() + r0, (r1 - r0)); + + branch(0)->value(); + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return str0_node_ptr_->str(); + } + + char_cptr base() const exprtk_override + { + return str0_node_ptr_->base(); + } + + std::size_t size() const exprtk_override + { + return str0_node_ptr_->size(); + } + + range_t& range_ref() exprtk_override + { + return str0_node_ptr_->range_ref(); + } + + const range_t& range_ref() const exprtk_override + { + return str0_node_ptr_->range_ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strass; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + private: + + bool initialised_; + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + strvar_node_ptr str0_node_ptr_; + range_ptr str1_range_ptr_; + }; + + template + class assignment_string_range_node exprtk_final + : public binary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef stringvar_node * strvar_node_ptr; + typedef string_range_node* str_rng_node_ptr; + typedef string_base_node * str_base_ptr; + + using binary_node::branch; + + assignment_string_range_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , initialised_(false) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_rng_node_ptr_(0) + , str0_range_ptr_ (0) + , str1_range_ptr_ (0) + { + if (is_string_range_node(branch(0))) + { + str0_rng_node_ptr_ = static_cast(branch(0)); + str0_base_ptr_ = dynamic_cast(branch(0)); + irange_ptr range = dynamic_cast(branch(0)); + + if (0 == range) + return; + + str0_range_ptr_ = &(range->range_ref()); + } + + if (is_generally_string_node(branch(1))) + { + str1_base_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(1)); + + if (0 == range) + return; + + str1_range_ptr_ = &(range->range_ref()); + } + + initialised_ = str0_base_ptr_ && + str1_base_ptr_ && + str0_rng_node_ptr_ && + str0_range_ptr_ && + str1_range_ptr_ ; + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + std::size_t s0_r0 = 0; + std::size_t s0_r1 = 0; + + std::size_t s1_r0 = 0; + std::size_t s1_r1 = 0; + + const range_t& range0 = (*str0_range_ptr_); + const range_t& range1 = (*str1_range_ptr_); + + if ( + range0(s0_r0, s0_r1, str0_base_ptr_->size()) && + range1(s1_r0, s1_r1, str1_base_ptr_->size()) + ) + { + const std::size_t size = std::min((s0_r1 - s0_r0), (s1_r1 - s1_r0)); + + std::copy( + str1_base_ptr_->base() + s1_r0, + str1_base_ptr_->base() + s1_r0 + size, + const_cast(base() + s0_r0)); + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return str0_base_ptr_->str(); + } + + char_cptr base() const exprtk_override + { + return str0_base_ptr_->base(); + } + + std::size_t size() const exprtk_override + { + return str0_base_ptr_->size(); + } + + range_t& range_ref() exprtk_override + { + return str0_rng_node_ptr_->range_ref(); + } + + const range_t& range_ref() const exprtk_override + { + return str0_rng_node_ptr_->range_ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strass; + } + + inline bool valid() const exprtk_override + { + return initialised_ && binary_node::valid(); + } + + private: + + bool initialised_; + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + str_rng_node_ptr str0_rng_node_ptr_; + range_ptr str0_range_ptr_; + range_ptr str1_range_ptr_; + }; + + template + class conditional_string_node exprtk_final + : public trinary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + + conditional_string_node(expression_ptr condition, + expression_ptr consequent, + expression_ptr alternative) + : trinary_node(details::e_default, consequent, alternative, condition) + , initialised_(false) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_range_ptr_(0) + , str1_range_ptr_(0) + , condition_ (condition ) + , consequent_ (consequent ) + , alternative_(alternative) + { + range_.n0_c = std::make_pair(true,0); + range_.n1_c = std::make_pair(true,0); + + range_.cache.first = range_.n0_c.second; + range_.cache.second = range_.n1_c.second; + + if (is_generally_string_node(trinary_node::branch_[0].first)) + { + str0_base_ptr_ = dynamic_cast(trinary_node::branch_[0].first); + + if (0 == str0_base_ptr_) + return; + + str0_range_ptr_ = dynamic_cast(trinary_node::branch_[0].first); + + if (0 == str0_range_ptr_) + return; + } + + if (is_generally_string_node(trinary_node::branch_[1].first)) + { + str1_base_ptr_ = dynamic_cast(trinary_node::branch_[1].first); + + if (0 == str1_base_ptr_) + return; + + str1_range_ptr_ = dynamic_cast(trinary_node::branch_[1].first); + + if (0 == str1_range_ptr_) + return; + } + + initialised_ = str0_base_ptr_ && + str1_base_ptr_ && + str0_range_ptr_ && + str1_range_ptr_ ; + + assert(valid()); + } + + inline T value() const exprtk_override + { + std::size_t r0 = 0; + std::size_t r1 = 0; + + if (is_true(condition_)) + { + consequent_->value(); + + const range_t& range = str0_range_ptr_->range_ref(); + + if (range(r0, r1, str0_base_ptr_->size())) + { + const std::size_t size = (r1 - r0); + + value_.assign(str0_base_ptr_->base() + r0, size); + + range_.n1_c.second = value_.size(); + range_.cache.second = range_.n1_c.second; + + return T(1); + } + } + else + { + alternative_->value(); + + const range_t& range = str1_range_ptr_->range_ref(); + + if (range(r0, r1, str1_base_ptr_->size())) + { + const std::size_t size = (r1 - r0); + + value_.assign(str1_base_ptr_->base() + r0, size); + + range_.n1_c.second = value_.size(); + range_.cache.second = range_.n1_c.second; + + return T(0); + } + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return value_; + } + + char_cptr base() const exprtk_override + { + return &value_[0]; + } + + std::size_t size() const exprtk_override + { + return value_.size(); + } + + range_t& range_ref() exprtk_override + { + return range_; + } + + const range_t& range_ref() const exprtk_override + { + return range_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strcondition; + } + + inline bool valid() const exprtk_override + { + return + initialised_ && + condition_ && condition_ ->valid() && + consequent_ && consequent_ ->valid() && + alternative_&& alternative_->valid() ; + } + + private: + + bool initialised_; + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + irange_ptr str0_range_ptr_; + irange_ptr str1_range_ptr_; + mutable range_t range_; + mutable std::string value_; + + expression_ptr condition_; + expression_ptr consequent_; + expression_ptr alternative_; + }; + + template + class cons_conditional_str_node exprtk_final + : public binary_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + + using binary_node::branch; + + cons_conditional_str_node(expression_ptr condition, + expression_ptr consequent) + : binary_node(details::e_default, consequent, condition) + , initialised_(false) + , str0_base_ptr_ (0) + , str0_range_ptr_(0) + , condition_ (condition ) + , consequent_(consequent) + { + range_.n0_c = std::make_pair(true,0); + range_.n1_c = std::make_pair(true,0); + + range_.cache.first = range_.n0_c.second; + range_.cache.second = range_.n1_c.second; + + if (is_generally_string_node(branch(0))) + { + str0_base_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_base_ptr_) + return; + + str0_range_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_range_ptr_) + return; + } + + initialised_ = str0_base_ptr_ && str0_range_ptr_ ; + assert(valid()); + } + + inline T value() const exprtk_override + { + if (is_true(condition_)) + { + consequent_->value(); + + const range_t& range = str0_range_ptr_->range_ref(); + + std::size_t r0 = 0; + std::size_t r1 = 0; + + if (range(r0, r1, str0_base_ptr_->size())) + { + const std::size_t size = (r1 - r0); + + value_.assign(str0_base_ptr_->base() + r0, size); + + range_.n1_c.second = value_.size(); + range_.cache.second = range_.n1_c.second; + + return T(1); + } + } + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const + { + return value_; + } + + char_cptr base() const + { + return &value_[0]; + } + + std::size_t size() const + { + return value_.size(); + } + + range_t& range_ref() + { + return range_; + } + + const range_t& range_ref() const + { + return range_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strccondition; + } + + inline bool valid() const exprtk_override + { + return + initialised_ && + condition_ && condition_ ->valid() && + consequent_ && consequent_ ->valid() ; + } + + private: + + bool initialised_; + str_base_ptr str0_base_ptr_; + irange_ptr str0_range_ptr_; + mutable range_t range_; + mutable std::string value_; + + expression_ptr condition_; + expression_ptr consequent_; + }; + + template + class str_vararg_node exprtk_final + : public expression_node + , public string_base_node + , public range_interface + { + public: + + typedef typename range_interface::range_t range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + typedef std::pair branch_t; + + template class Sequence> + explicit str_vararg_node(const Sequence& arg_list) + : initialised_(false) + , str_base_ptr_ (0) + , str_range_ptr_(0) + { + construct_branch_pair(final_node_, const_cast(arg_list.back())); + + if (0 == final_node_.first) + return; + else if (!is_generally_string_node(final_node_.first)) + return; + + str_base_ptr_ = dynamic_cast(final_node_.first); + + if (0 == str_base_ptr_) + return; + + str_range_ptr_ = dynamic_cast(final_node_.first); + + if (0 == str_range_ptr_) + return; + + if (arg_list.size() > 1) + { + const std::size_t arg_list_size = arg_list.size() - 1; + + arg_list_.resize(arg_list_size); + + for (std::size_t i = 0; i < arg_list_size; ++i) + { + if (arg_list[i] && arg_list[i]->valid()) + { + construct_branch_pair(arg_list_[i], arg_list[i]); + } + else + { + arg_list_.clear(); + return; + } + } + + initialised_ = true; + } + + initialised_ &= str_base_ptr_ && str_range_ptr_; + assert(valid()); + } + + inline T value() const exprtk_override + { + if (!arg_list_.empty()) + { + VarArgFunction::process(arg_list_); + } + + final_node_.first->value(); + + return std::numeric_limits::quiet_NaN(); + } + + std::string str() const exprtk_override + { + return str_base_ptr_->str(); + } + + char_cptr base() const exprtk_override + { + return str_base_ptr_->base(); + } + + std::size_t size() const exprtk_override + { + return str_base_ptr_->size(); + } + + range_t& range_ref() exprtk_override + { + return str_range_ptr_->range_ref(); + } + + const range_t& range_ref() const exprtk_override + { + return str_range_ptr_->range_ref(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_stringvararg; + } + + inline bool valid() const exprtk_override + { + return + initialised_ && + final_node_.first && final_node_.first->valid(); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(final_node_ , node_delete_list); + expression_node::ndb_t::collect(arg_list_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return std::max( + expression_node::ndb_t::compute_node_depth(final_node_), + expression_node::ndb_t::compute_node_depth(arg_list_ )); + } + + private: + + bool initialised_; + branch_t final_node_; + str_base_ptr str_base_ptr_; + irange_ptr str_range_ptr_; + std::vector arg_list_; + }; + #endif + + template + class assert_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef string_base_node* str_base_ptr; + typedef assert_check::assert_context assert_context_t; + + assert_node(expression_ptr assert_condition_node, + expression_ptr assert_message_node, + assert_check_ptr assert_check, + assert_context_t context) + : assert_message_str_base_(0) + , assert_check_(assert_check) + , context_(context) + { + construct_branch_pair(assert_condition_node_, assert_condition_node); + construct_branch_pair(assert_message_node_ , assert_message_node ); + + #ifndef exprtk_disable_string_capabilities + if ( + assert_message_node_.first && + details::is_generally_string_node(assert_message_node_.first) + ) + { + assert_message_str_base_ = dynamic_cast(assert_message_node_.first); + } + #endif + + assert(valid()); + } + + inline T value() const exprtk_override + { + if (details::is_true(assert_condition_node_.first->value())) + { + return T(1); + } + + #ifndef exprtk_disable_string_capabilities + if (assert_message_node_.first) + { + assert_message_node_.first->value(); + assert(assert_message_str_base_); + context_.message = assert_message_str_base_->str(); + } + #endif + + assert_check_->handle_assert(context_); + return T(0); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_assert; + } + + inline bool valid() const exprtk_override + { + return ( + assert_check_ && + assert_condition_node_.first && + assert_condition_node_.first->valid() + ) && + ( + (0 == assert_message_node_.first) || + ( + assert_message_node_.first && + assert_message_str_base_ && + assert_message_node_.first->valid() && + details::is_generally_string_node(assert_message_node_.first) + ) + ); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(assert_condition_node_, node_delete_list); + expression_node::ndb_t::collect(assert_message_node_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (assert_condition_node_, assert_message_node_); + } + + private: + + branch_t assert_condition_node_; + branch_t assert_message_node_; + str_base_ptr assert_message_str_base_; + assert_check_ptr assert_check_; + mutable assert_context_t context_; + }; + + template + inline T axn(const T a, const T x) + { + // a*x^n + return a * exprtk::details::numeric::fast_exp::result(x); + } + + template + inline T axnb(const T a, const T x, const T b) + { + // a*x^n+b + return a * exprtk::details::numeric::fast_exp::result(x) + b; + } + + template + struct sf_base + { + typedef typename details::functor_t::Type Type; + typedef typename details::functor_t functor_t; + typedef typename functor_t::qfunc_t quaternary_functor_t; + typedef typename functor_t::tfunc_t trinary_functor_t; + typedef typename functor_t::bfunc_t binary_functor_t; + typedef typename functor_t::ufunc_t unary_functor_t; + }; + + #define define_sfop3(NN, OP0, OP1) \ + template \ + struct sf##NN##_op : public sf_base \ + { \ + typedef typename sf_base::Type const Type; \ + static inline T process(Type x, Type y, Type z) \ + { \ + return (OP0); \ + } \ + static inline std::string id() \ + { \ + return (OP1); \ + } \ + }; \ + + define_sfop3(00,(x + y) / z ,"(t+t)/t") + define_sfop3(01,(x + y) * z ,"(t+t)*t") + define_sfop3(02,(x + y) - z ,"(t+t)-t") + define_sfop3(03,(x + y) + z ,"(t+t)+t") + define_sfop3(04,(x - y) + z ,"(t-t)+t") + define_sfop3(05,(x - y) / z ,"(t-t)/t") + define_sfop3(06,(x - y) * z ,"(t-t)*t") + define_sfop3(07,(x * y) + z ,"(t*t)+t") + define_sfop3(08,(x * y) - z ,"(t*t)-t") + define_sfop3(09,(x * y) / z ,"(t*t)/t") + define_sfop3(10,(x * y) * z ,"(t*t)*t") + define_sfop3(11,(x / y) + z ,"(t/t)+t") + define_sfop3(12,(x / y) - z ,"(t/t)-t") + define_sfop3(13,(x / y) / z ,"(t/t)/t") + define_sfop3(14,(x / y) * z ,"(t/t)*t") + define_sfop3(15,x / (y + z) ,"t/(t+t)") + define_sfop3(16,x / (y - z) ,"t/(t-t)") + define_sfop3(17,x / (y * z) ,"t/(t*t)") + define_sfop3(18,x / (y / z) ,"t/(t/t)") + define_sfop3(19,x * (y + z) ,"t*(t+t)") + define_sfop3(20,x * (y - z) ,"t*(t-t)") + define_sfop3(21,x * (y * z) ,"t*(t*t)") + define_sfop3(22,x * (y / z) ,"t*(t/t)") + define_sfop3(23,x - (y + z) ,"t-(t+t)") + define_sfop3(24,x - (y - z) ,"t-(t-t)") + define_sfop3(25,x - (y / z) ,"t-(t/t)") + define_sfop3(26,x - (y * z) ,"t-(t*t)") + define_sfop3(27,x + (y * z) ,"t+(t*t)") + define_sfop3(28,x + (y / z) ,"t+(t/t)") + define_sfop3(29,x + (y + z) ,"t+(t+t)") + define_sfop3(30,x + (y - z) ,"t+(t-t)") + define_sfop3(31,(axnb(x,y,z))," ") + define_sfop3(32,(axnb(x,y,z))," ") + define_sfop3(33,(axnb(x,y,z))," ") + define_sfop3(34,(axnb(x,y,z))," ") + define_sfop3(35,(axnb(x,y,z))," ") + define_sfop3(36,(axnb(x,y,z))," ") + define_sfop3(37,(axnb(x,y,z))," ") + define_sfop3(38,(axnb(x,y,z))," ") + define_sfop3(39,x * numeric::log(y) + z,"") + define_sfop3(40,x * numeric::log(y) - z,"") + define_sfop3(41,x * numeric::log10(y) + z,"") + define_sfop3(42,x * numeric::log10(y) - z,"") + define_sfop3(43,x * numeric::sin(y) + z ,"") + define_sfop3(44,x * numeric::sin(y) - z ,"") + define_sfop3(45,x * numeric::cos(y) + z ,"") + define_sfop3(46,x * numeric::cos(y) - z ,"") + define_sfop3(47,details::is_true(x) ? y : z,"") + + #define define_sfop4(NN, OP0, OP1) \ + template \ + struct sf##NN##_op : public sf_base \ + { \ + typedef typename sf_base::Type const Type; \ + static inline T process(Type x, Type y, Type z, Type w) \ + { \ + return (OP0); \ + } \ + static inline std::string id() \ + { \ + return (OP1); \ + } \ + }; \ + + define_sfop4(48,(x + ((y + z) / w)),"t+((t+t)/t)") + define_sfop4(49,(x + ((y + z) * w)),"t+((t+t)*t)") + define_sfop4(50,(x + ((y - z) / w)),"t+((t-t)/t)") + define_sfop4(51,(x + ((y - z) * w)),"t+((t-t)*t)") + define_sfop4(52,(x + ((y * z) / w)),"t+((t*t)/t)") + define_sfop4(53,(x + ((y * z) * w)),"t+((t*t)*t)") + define_sfop4(54,(x + ((y / z) + w)),"t+((t/t)+t)") + define_sfop4(55,(x + ((y / z) / w)),"t+((t/t)/t)") + define_sfop4(56,(x + ((y / z) * w)),"t+((t/t)*t)") + define_sfop4(57,(x - ((y + z) / w)),"t-((t+t)/t)") + define_sfop4(58,(x - ((y + z) * w)),"t-((t+t)*t)") + define_sfop4(59,(x - ((y - z) / w)),"t-((t-t)/t)") + define_sfop4(60,(x - ((y - z) * w)),"t-((t-t)*t)") + define_sfop4(61,(x - ((y * z) / w)),"t-((t*t)/t)") + define_sfop4(62,(x - ((y * z) * w)),"t-((t*t)*t)") + define_sfop4(63,(x - ((y / z) / w)),"t-((t/t)/t)") + define_sfop4(64,(x - ((y / z) * w)),"t-((t/t)*t)") + define_sfop4(65,(((x + y) * z) - w),"((t+t)*t)-t") + define_sfop4(66,(((x - y) * z) - w),"((t-t)*t)-t") + define_sfop4(67,(((x * y) * z) - w),"((t*t)*t)-t") + define_sfop4(68,(((x / y) * z) - w),"((t/t)*t)-t") + define_sfop4(69,(((x + y) / z) - w),"((t+t)/t)-t") + define_sfop4(70,(((x - y) / z) - w),"((t-t)/t)-t") + define_sfop4(71,(((x * y) / z) - w),"((t*t)/t)-t") + define_sfop4(72,(((x / y) / z) - w),"((t/t)/t)-t") + define_sfop4(73,((x * y) + (z * w)),"(t*t)+(t*t)") + define_sfop4(74,((x * y) - (z * w)),"(t*t)-(t*t)") + define_sfop4(75,((x * y) + (z / w)),"(t*t)+(t/t)") + define_sfop4(76,((x * y) - (z / w)),"(t*t)-(t/t)") + define_sfop4(77,((x / y) + (z / w)),"(t/t)+(t/t)") + define_sfop4(78,((x / y) - (z / w)),"(t/t)-(t/t)") + define_sfop4(79,((x / y) - (z * w)),"(t/t)-(t*t)") + define_sfop4(80,(x / (y + (z * w))),"t/(t+(t*t))") + define_sfop4(81,(x / (y - (z * w))),"t/(t-(t*t))") + define_sfop4(82,(x * (y + (z * w))),"t*(t+(t*t))") + define_sfop4(83,(x * (y - (z * w))),"t*(t-(t*t))") + + define_sfop4(84,(axn(x,y) + axn(z,w)),"") + define_sfop4(85,(axn(x,y) + axn(z,w)),"") + define_sfop4(86,(axn(x,y) + axn(z,w)),"") + define_sfop4(87,(axn(x,y) + axn(z,w)),"") + define_sfop4(88,(axn(x,y) + axn(z,w)),"") + define_sfop4(89,(axn(x,y) + axn(z,w)),"") + define_sfop4(90,(axn(x,y) + axn(z,w)),"") + define_sfop4(91,(axn(x,y) + axn(z,w)),"") + define_sfop4(92,((details::is_true(x) && details::is_true(y)) ? z : w),"") + define_sfop4(93,((details::is_true(x) || details::is_true(y)) ? z : w),"") + define_sfop4(94,((x < y) ? z : w),"") + define_sfop4(95,((x <= y) ? z : w),"") + define_sfop4(96,((x > y) ? z : w),"") + define_sfop4(97,((x >= y) ? z : w),"") + define_sfop4(98,(details::is_true(numeric::equal(x,y)) ? z : w),"") + define_sfop4(99,(x * numeric::sin(y) + z * numeric::cos(w)),"") + + define_sfop4(ext00,((x + y) - (z * w)),"(t+t)-(t*t)") + define_sfop4(ext01,((x + y) - (z / w)),"(t+t)-(t/t)") + define_sfop4(ext02,((x + y) + (z * w)),"(t+t)+(t*t)") + define_sfop4(ext03,((x + y) + (z / w)),"(t+t)+(t/t)") + define_sfop4(ext04,((x - y) + (z * w)),"(t-t)+(t*t)") + define_sfop4(ext05,((x - y) + (z / w)),"(t-t)+(t/t)") + define_sfop4(ext06,((x - y) - (z * w)),"(t-t)-(t*t)") + define_sfop4(ext07,((x - y) - (z / w)),"(t-t)-(t/t)") + define_sfop4(ext08,((x + y) - (z - w)),"(t+t)-(t-t)") + define_sfop4(ext09,((x + y) + (z - w)),"(t+t)+(t-t)") + define_sfop4(ext10,((x + y) + (z + w)),"(t+t)+(t+t)") + define_sfop4(ext11,((x + y) * (z - w)),"(t+t)*(t-t)") + define_sfop4(ext12,((x + y) / (z - w)),"(t+t)/(t-t)") + define_sfop4(ext13,((x - y) - (z + w)),"(t-t)-(t+t)") + define_sfop4(ext14,((x - y) + (z + w)),"(t-t)+(t+t)") + define_sfop4(ext15,((x - y) * (z + w)),"(t-t)*(t+t)") + define_sfop4(ext16,((x - y) / (z + w)),"(t-t)/(t+t)") + define_sfop4(ext17,((x * y) - (z + w)),"(t*t)-(t+t)") + define_sfop4(ext18,((x / y) - (z + w)),"(t/t)-(t+t)") + define_sfop4(ext19,((x * y) + (z + w)),"(t*t)+(t+t)") + define_sfop4(ext20,((x / y) + (z + w)),"(t/t)+(t+t)") + define_sfop4(ext21,((x * y) + (z - w)),"(t*t)+(t-t)") + define_sfop4(ext22,((x / y) + (z - w)),"(t/t)+(t-t)") + define_sfop4(ext23,((x * y) - (z - w)),"(t*t)-(t-t)") + define_sfop4(ext24,((x / y) - (z - w)),"(t/t)-(t-t)") + define_sfop4(ext25,((x + y) * (z * w)),"(t+t)*(t*t)") + define_sfop4(ext26,((x + y) * (z / w)),"(t+t)*(t/t)") + define_sfop4(ext27,((x + y) / (z * w)),"(t+t)/(t*t)") + define_sfop4(ext28,((x + y) / (z / w)),"(t+t)/(t/t)") + define_sfop4(ext29,((x - y) / (z * w)),"(t-t)/(t*t)") + define_sfop4(ext30,((x - y) / (z / w)),"(t-t)/(t/t)") + define_sfop4(ext31,((x - y) * (z * w)),"(t-t)*(t*t)") + define_sfop4(ext32,((x - y) * (z / w)),"(t-t)*(t/t)") + define_sfop4(ext33,((x * y) * (z + w)),"(t*t)*(t+t)") + define_sfop4(ext34,((x / y) * (z + w)),"(t/t)*(t+t)") + define_sfop4(ext35,((x * y) / (z + w)),"(t*t)/(t+t)") + define_sfop4(ext36,((x / y) / (z + w)),"(t/t)/(t+t)") + define_sfop4(ext37,((x * y) / (z - w)),"(t*t)/(t-t)") + define_sfop4(ext38,((x / y) / (z - w)),"(t/t)/(t-t)") + define_sfop4(ext39,((x * y) * (z - w)),"(t*t)*(t-t)") + define_sfop4(ext40,((x * y) / (z * w)),"(t*t)/(t*t)") + define_sfop4(ext41,((x / y) * (z / w)),"(t/t)*(t/t)") + define_sfop4(ext42,((x / y) * (z - w)),"(t/t)*(t-t)") + define_sfop4(ext43,((x * y) * (z * w)),"(t*t)*(t*t)") + define_sfop4(ext44,(x + (y * (z / w))),"t+(t*(t/t))") + define_sfop4(ext45,(x - (y * (z / w))),"t-(t*(t/t))") + define_sfop4(ext46,(x + (y / (z * w))),"t+(t/(t*t))") + define_sfop4(ext47,(x - (y / (z * w))),"t-(t/(t*t))") + define_sfop4(ext48,(((x - y) - z) * w),"((t-t)-t)*t") + define_sfop4(ext49,(((x - y) - z) / w),"((t-t)-t)/t") + define_sfop4(ext50,(((x - y) + z) * w),"((t-t)+t)*t") + define_sfop4(ext51,(((x - y) + z) / w),"((t-t)+t)/t") + define_sfop4(ext52,((x + (y - z)) * w),"(t+(t-t))*t") + define_sfop4(ext53,((x + (y - z)) / w),"(t+(t-t))/t") + define_sfop4(ext54,((x + y) / (z + w)),"(t+t)/(t+t)") + define_sfop4(ext55,((x - y) / (z - w)),"(t-t)/(t-t)") + define_sfop4(ext56,((x + y) * (z + w)),"(t+t)*(t+t)") + define_sfop4(ext57,((x - y) * (z - w)),"(t-t)*(t-t)") + define_sfop4(ext58,((x - y) + (z - w)),"(t-t)+(t-t)") + define_sfop4(ext59,((x - y) - (z - w)),"(t-t)-(t-t)") + define_sfop4(ext60,((x / y) + (z * w)),"(t/t)+(t*t)") + define_sfop4(ext61,(((x * y) * z) / w),"((t*t)*t)/t") + + #undef define_sfop3 + #undef define_sfop4 + + template + class sf3_node exprtk_final : public trinary_node + { + public: + + typedef expression_node* expression_ptr; + + sf3_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1, + expression_ptr branch2) + : trinary_node(opr, branch0, branch1, branch2) + {} + + inline T value() const exprtk_override + { + const T x = trinary_node::branch_[0].first->value(); + const T y = trinary_node::branch_[1].first->value(); + const T z = trinary_node::branch_[2].first->value(); + + return SpecialFunction::process(x, y, z); + } + }; + + template + class sf4_node exprtk_final : public quaternary_node + { + public: + + typedef expression_node* expression_ptr; + + sf4_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1, + expression_ptr branch2, + expression_ptr branch3) + : quaternary_node(opr, branch0, branch1, branch2, branch3) + {} + + inline T value() const exprtk_override + { + const T x = quaternary_node::branch_[0].first->value(); + const T y = quaternary_node::branch_[1].first->value(); + const T z = quaternary_node::branch_[2].first->value(); + const T w = quaternary_node::branch_[3].first->value(); + + return SpecialFunction::process(x, y, z, w); + } + }; + + template + class sf3_var_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + sf3_var_node(const T& v0, const T& v1, const T& v2) + : v0_(v0) + , v1_(v1) + , v2_(v2) + {} + + inline T value() const exprtk_override + { + return SpecialFunction::process(v0_, v1_, v2_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_trinary; + } + + private: + + sf3_var_node(const sf3_var_node&) exprtk_delete; + sf3_var_node& operator=(const sf3_var_node&) exprtk_delete; + + const T& v0_; + const T& v1_; + const T& v2_; + }; + + template + class sf4_var_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + sf4_var_node(const T& v0, const T& v1, const T& v2, const T& v3) + : v0_(v0) + , v1_(v1) + , v2_(v2) + , v3_(v3) + {} + + inline T value() const exprtk_override + { + return SpecialFunction::process(v0_, v1_, v2_, v3_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_trinary; + } + + private: + + sf4_var_node(const sf4_var_node&) exprtk_delete; + sf4_var_node& operator=(const sf4_var_node&) exprtk_delete; + + const T& v0_; + const T& v1_; + const T& v2_; + const T& v3_; + }; + + template + class vararg_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + template class Sequence> + explicit vararg_node(const Sequence& arg_list) + : initialised_(false) + { + arg_list_.resize(arg_list.size()); + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (arg_list[i] && arg_list[i]->valid()) + { + construct_branch_pair(arg_list_[i],arg_list[i]); + } + else + { + arg_list_.clear(); + return; + } + } + + initialised_ = (arg_list_.size() == arg_list.size()); + assert(valid()); + } + + inline T value() const exprtk_override + { + return VarArgFunction::process(arg_list_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vararg; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(arg_list_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(arg_list_); + } + + std::size_t size() const + { + return arg_list_.size(); + } + + expression_ptr operator[](const std::size_t& index) const + { + return arg_list_[index].first; + } + + private: + + std::vector arg_list_; + bool initialised_; + }; + + template + class vararg_varnode exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + template class Sequence> + explicit vararg_varnode(const Sequence& arg_list) + : initialised_(false) + { + arg_list_.resize(arg_list.size()); + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (arg_list[i] && arg_list[i]->valid() && is_variable_node(arg_list[i])) + { + variable_node* var_node_ptr = static_cast*>(arg_list[i]); + arg_list_[i] = (&var_node_ptr->ref()); + } + else + { + arg_list_.clear(); + return; + } + } + + initialised_ = (arg_list.size() == arg_list_.size()); + assert(valid()); + } + + inline T value() const exprtk_override + { + return VarArgFunction::process(arg_list_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vararg; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + private: + + std::vector arg_list_; + bool initialised_; + }; + + template + class vectorize_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + explicit vectorize_node(const expression_ptr v) + : ivec_ptr_(0) + { + construct_branch_pair(v_, v); + + if (is_ivector_node(v_.first)) + { + ivec_ptr_ = dynamic_cast*>(v_.first); + } + } + + inline T value() const exprtk_override + { + v_.first->value(); + return VecFunction::process(ivec_ptr_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecfunc; + } + + inline bool valid() const exprtk_override + { + return ivec_ptr_ && v_.first && v_.first->valid(); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(v_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(v_); + } + + private: + + vector_interface* ivec_ptr_; + branch_t v_; + }; + + template + class assignment_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , var_node_ptr_(0) + { + if (is_variable_node(branch(0))) + { + var_node_ptr_ = static_cast*>(branch(0)); + } + } + + inline T value() const exprtk_override + { + T& result = var_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return var_node_ptr_ && binary_node::valid(); + } + + private: + + variable_node* var_node_ptr_; + }; + + template + class assignment_vec_elem_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_vec_elem_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_elem_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& result = vec_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return vec_node_ptr_ && binary_node::valid(); + } + + private: + + vector_elem_node* vec_node_ptr_; + }; + + template + class assignment_vec_elem_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_vec_elem_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_elem_rtc_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& result = vec_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return vec_node_ptr_ && binary_node::valid(); + } + + private: + + vector_elem_rtc_node* vec_node_ptr_; + }; + + template + class assignment_rebasevec_elem_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using expression_node::branch; + + assignment_rebasevec_elem_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_elem_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& result = rbvec_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_elem_node* rbvec_node_ptr_; + }; + + template + class assignment_rebasevec_elem_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using expression_node::branch; + + assignment_rebasevec_elem_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_elem_rtc_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& result = rbvec_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_elem_rtc_node* rbvec_node_ptr_; + }; + + template + class assignment_rebasevec_celem_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_rebasevec_celem_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_celem_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& result = rbvec_node_ptr_->ref(); + result = branch(1)->value(); + + return result; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_celem_node* rbvec_node_ptr_; + }; + + template + class assignment_vec_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + using binary_node::branch; + + assignment_vec_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + vds() = vec_node_ptr_->vds(); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + const T v = branch(1)->value(); + + T* vec = vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec + lud.upper_bound; + + while (vec < upper_bound) + { + #define exprtk_loop(N) \ + vec[N] = v; \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec += lud.batch_size; + } + + switch (lud.remainder) + { + #define case_stmt(N) \ + case N : *vec++ = v; \ + exprtk_fallthrough \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15) case_stmt(14) + case_stmt(13) case_stmt(12) + case_stmt(11) case_stmt(10) + case_stmt( 9) case_stmt( 8) + case_stmt( 7) case_stmt( 6) + case_stmt( 5) case_stmt( 4) + #endif + case_stmt( 3) case_stmt( 2) + case 1 : *vec++ = v; + } + + #undef exprtk_loop + #undef case_stmt + + return vec_node_ptr_->value(); + } + + vector_node_ptr vec() const exprtk_override + { + return vec_node_ptr_; + } + + vector_node_ptr vec() exprtk_override + { + return vec_node_ptr_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvalass; + } + + inline bool valid() const exprtk_override + { + return + vec_node_ptr_ && + (vds().size() <= vec_node_ptr_->vec_holder().base_size()) && + binary_node::valid(); + } + + std::size_t size() const exprtk_override + { + return vec_node_ptr_->vec_holder().size(); + } + + std::size_t base_size() const exprtk_override + { + return vec_node_ptr_->vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node* vec_node_ptr_; + vds_t vds_; + }; + + template + class assignment_vecvec_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + using binary_node::branch; + + assignment_vecvec_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec0_node_ptr_(0) + , vec1_node_ptr_(0) + , initialised_(false) + , src_is_ivec_(false) + { + if (is_vector_node(branch(0))) + { + vec0_node_ptr_ = static_cast*>(branch(0)); + vds() = vec0_node_ptr_->vds(); + } + + if (is_vector_node(branch(1))) + { + vec1_node_ptr_ = static_cast*>(branch(1)); + vds_t::match_sizes(vds(),vec1_node_ptr_->vds()); + } + else if (is_ivector_node(branch(1))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(1)))) + { + vec1_node_ptr_ = vi->vec(); + + if (!vi->side_effect()) + { + vi->vds() = vds(); + src_is_ivec_ = true; + } + else + vds_t::match_sizes(vds(),vi->vds()); + } + } + + initialised_ = + vec0_node_ptr_ && + vec1_node_ptr_ && + (size() <= base_size()) && + (vds_.size() <= base_size()) && + binary_node::valid(); + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(1)->value(); + + if (src_is_ivec_) + return vec0_node_ptr_->value(); + + T* vec0 = vec0_node_ptr_->vds().data(); + T* vec1 = vec1_node_ptr_->vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec0 + lud.upper_bound; + + while (vec0 < upper_bound) + { + #define exprtk_loop(N) \ + vec0[N] = vec1[N]; \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + } + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : *vec0++ = *vec1++; \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return vec0_node_ptr_->value(); + } + + vector_node_ptr vec() exprtk_override + { + return vec0_node_ptr_; + } + + vector_node_ptr vec() const exprtk_override + { + return vec0_node_ptr_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvecass; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + std::size_t size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().size(), + vec1_node_ptr_->vec_holder().size()); + } + + std::size_t base_size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().base_size(), + vec1_node_ptr_->vec_holder().base_size()); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node* vec0_node_ptr_; + vector_node* vec1_node_ptr_; + bool initialised_; + bool src_is_ivec_; + vds_t vds_; + }; + + template + class assignment_op_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , var_node_ptr_(0) + { + if (is_variable_node(branch(0))) + { + var_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = var_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return var_node_ptr_ && binary_node::valid(); + } + + private: + + variable_node* var_node_ptr_; + }; + + template + class assignment_vec_elem_op_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_vec_elem_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_elem_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = vec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return vec_node_ptr_ && binary_node::valid(); + } + + private: + + vector_elem_node* vec_node_ptr_; + }; + + template + class assignment_vec_elem_op_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_vec_elem_op_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_elem_rtc_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = vec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return vec_node_ptr_ && binary_node::valid(); + } + + private: + + vector_elem_rtc_node* vec_node_ptr_; + }; + + template + class assignment_vec_celem_op_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_vec_celem_op_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_celem_rtc_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = vec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return vec_node_ptr_ && binary_node::valid(); + } + + private: + + vector_celem_rtc_node* vec_node_ptr_; + }; + + template + class assignment_rebasevec_elem_op_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_rebasevec_elem_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_elem_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = rbvec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_elem_node* rbvec_node_ptr_; + }; + + template + class assignment_rebasevec_celem_op_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_rebasevec_celem_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_celem_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = rbvec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_celem_node* rbvec_node_ptr_; + }; + + template + class assignment_rebasevec_elem_op_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_rebasevec_elem_op_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_elem_rtc_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = rbvec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_elem_rtc_node* rbvec_node_ptr_; + }; + + template + class assignment_rebasevec_celem_op_rtc_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + assignment_rebasevec_celem_op_rtc_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , rbvec_node_ptr_(0) + { + if (is_rebasevector_celem_rtc_node(branch(0))) + { + rbvec_node_ptr_ = static_cast*>(branch(0)); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + T& v = rbvec_node_ptr_->ref(); + v = Operation::process(v,branch(1)->value()); + + return v; + } + + inline bool valid() const exprtk_override + { + return rbvec_node_ptr_ && binary_node::valid(); + } + + private: + + rebasevector_celem_rtc_node* rbvec_node_ptr_; + }; + + template + class assignment_vec_op_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + using binary_node::branch; + + assignment_vec_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec_node_ptr_(0) + { + if (is_vector_node(branch(0))) + { + vec_node_ptr_ = static_cast*>(branch(0)); + vds() = vec_node_ptr_->vds(); + } + + assert(valid()); + } + + inline T value() const exprtk_override + { + const T v = branch(1)->value(); + + T* vec = vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec + lud.upper_bound; + + while (vec < upper_bound) + { + #define exprtk_loop(N) \ + Operation::assign(vec[N],v); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec += lud.batch_size; + } + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : Operation::assign(*vec++,v); \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return vec_node_ptr_->value(); + } + + vector_node_ptr vec() const exprtk_override + { + return vec_node_ptr_; + } + + vector_node_ptr vec() exprtk_override + { + return vec_node_ptr_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecopvalass; + } + + inline bool valid() const exprtk_override + { + return + vec_node_ptr_ && + (size() <= base_size()) && + binary_node::valid() ; + } + + std::size_t size() const exprtk_override + { + return vec_node_ptr_->vec_holder().size(); + } + + std::size_t base_size() const exprtk_override + { + return vec_node_ptr_->vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + bool side_effect() const exprtk_override + { + return true; + } + + private: + + vector_node* vec_node_ptr_; + vds_t vds_; + }; + + template + class assignment_vecvec_op_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vec_data_store vds_t; + + using binary_node::branch; + + assignment_vecvec_op_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec0_node_ptr_(0) + , vec1_node_ptr_(0) + , initialised_(false) + { + if (is_vector_node(branch(0))) + { + vec0_node_ptr_ = static_cast*>(branch(0)); + vds() = vec0_node_ptr_->vds(); + } + + if (is_vector_node(branch(1))) + { + vec1_node_ptr_ = static_cast*>(branch(1)); + vec1_node_ptr_->vds() = vds(); + } + else if (is_ivector_node(branch(1))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(1)))) + { + vec1_node_ptr_ = vi->vec(); + vec1_node_ptr_->vds() = vi->vds(); + } + else + vds_t::match_sizes(vds(),vec1_node_ptr_->vds()); + } + + initialised_ = + vec0_node_ptr_ && + vec1_node_ptr_ && + (size() <= base_size()) && + binary_node::valid(); + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + T* vec0 = vec0_node_ptr_->vds().data(); + const T* vec1 = vec1_node_ptr_->vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec0 + lud.upper_bound; + + while (vec0 < upper_bound) + { + #define exprtk_loop(N) \ + vec0[N] = Operation::process(vec0[N], vec1[N]); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : { vec0[i] = Operation::process(vec0[i], vec1[i]); ++i; } \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return vec0_node_ptr_->value(); + } + + vector_node_ptr vec() const exprtk_override + { + return vec0_node_ptr_; + } + + vector_node_ptr vec() exprtk_override + { + return vec0_node_ptr_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecopvecass; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + std::size_t size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().size(), + vec1_node_ptr_->vec_holder().size()); + } + + std::size_t base_size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().base_size(), + vec1_node_ptr_->vec_holder().base_size()); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + bool side_effect() const exprtk_override + { + return true; + } + + private: + + vector_node* vec0_node_ptr_; + vector_node* vec1_node_ptr_; + bool initialised_; + vds_t vds_; + }; + + template + struct memory_context_t + { + typedef vector_node* vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + + memory_context_t() + : temp_(0) + , temp_vec_node_(0) + {} + + void clear() + { + delete temp_vec_node_; + delete temp_; + } + + vector_holder_ptr temp_; + vector_node_ptr temp_vec_node_; + }; + + template + inline memory_context_t make_memory_context(vector_holder& vec_holder, + vec_data_store& vds) + { + memory_context_t result_ctxt; + + result_ctxt.temp_ = (vec_holder.rebaseable()) ? + new vector_holder(vec_holder,vds) : + new vector_holder(vds) ; + + result_ctxt.temp_vec_node_ = new vector_node(vds,result_ctxt.temp_); + + return result_ctxt; + } + + template + inline memory_context_t make_memory_context(vector_holder& vec_holder0, + vector_holder& vec_holder1, + vec_data_store& vds) + { + memory_context_t result_ctxt; + + if (!vec_holder0.rebaseable() && !vec_holder1.rebaseable()) + result_ctxt.temp_ = new vector_holder(vds); + else if (vec_holder0.rebaseable() && !vec_holder1.rebaseable()) + result_ctxt.temp_ = new vector_holder(vec_holder0,vds); + else if (!vec_holder0.rebaseable() && vec_holder1.rebaseable()) + result_ctxt.temp_ = new vector_holder(vec_holder1,vds); + else + { + result_ctxt.temp_ = (vec_holder0.base_size() >= vec_holder1.base_size()) ? + new vector_holder(vec_holder0, vds) : + new vector_holder(vec_holder1, vds) ; + } + + result_ctxt.temp_vec_node_ = new vector_node(vds,result_ctxt.temp_); + + return result_ctxt; + } + + template + class vec_binop_vecvec_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef memory_context_t memory_context; + + using binary_node::branch; + + vec_binop_vecvec_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec0_node_ptr_(0) + , vec1_node_ptr_(0) + , initialised_(false) + { + bool v0_is_ivec = false; + bool v1_is_ivec = false; + + if (is_vector_node(branch(0))) + { + vec0_node_ptr_ = static_cast(branch(0)); + } + else if (is_ivector_node(branch(0))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(0)))) + { + vec0_node_ptr_ = vi->vec(); + v0_is_ivec = true; + } + } + + if (is_vector_node(branch(1))) + { + vec1_node_ptr_ = static_cast(branch(1)); + } + else if (is_ivector_node(branch(1))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(1)))) + { + vec1_node_ptr_ = vi->vec(); + v1_is_ivec = true; + } + } + + if (vec0_node_ptr_ && vec1_node_ptr_) + { + vector_holder& vec0 = vec0_node_ptr_->vec_holder(); + vector_holder& vec1 = vec1_node_ptr_->vec_holder(); + + if (v0_is_ivec && (vec0.base_size() <= vec1.base_size())) + { + vds_ = vds_t(vec0_node_ptr_->vds()); + } + else if (v1_is_ivec && (vec1.base_size() <= vec0.base_size())) + { + vds_ = vds_t(vec1_node_ptr_->vds()); + } + else + { + vds_ = vds_t(std::min(vec0.base_size(),vec1.base_size())); + } + + memory_context_ = make_memory_context(vec0, vec1, vds()); + + initialised_ = + (size() <= base_size()) && + binary_node::valid(); + } + + assert(valid()); + } + + ~vec_binop_vecvec_node() + { + memory_context_.clear(); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + const T* vec0 = vec0_node_ptr_->vds().data(); + const T* vec1 = vec1_node_ptr_->vds().data(); + T* vec2 = vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec2 + lud.upper_bound; + + while (vec2 < upper_bound) + { + #define exprtk_loop(N) \ + vec2[N] = Operation::process(vec0[N], vec1[N]); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + vec2 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N) \ + case N : { vec2[i] = Operation::process(vec0[i], vec1[i]); ++i; } \ + exprtk_fallthrough \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15) case_stmt(14) + case_stmt(13) case_stmt(12) + case_stmt(11) case_stmt(10) + case_stmt( 9) case_stmt( 8) + case_stmt( 7) case_stmt( 6) + case_stmt( 5) case_stmt( 4) + #endif + case_stmt( 3) case_stmt( 2) + case_stmt( 1) + default: break; + } + + #undef exprtk_loop + #undef case_stmt + + return (vds().data())[0]; + } + + vector_node_ptr vec() const exprtk_override + { + return memory_context_.temp_vec_node_; + } + + vector_node_ptr vec() exprtk_override + { + return memory_context_.temp_vec_node_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvecarith; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + std::size_t size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().size(), + vec1_node_ptr_->vec_holder().size()); + } + + std::size_t base_size() const exprtk_override + { + return std::min( + vec0_node_ptr_->vec_holder().base_size(), + vec1_node_ptr_->vec_holder().base_size()); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node_ptr vec0_node_ptr_; + vector_node_ptr vec1_node_ptr_; + bool initialised_; + vds_t vds_; + memory_context memory_context_; + }; + + template + class vec_binop_vecval_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef memory_context_t memory_context; + + using binary_node::branch; + + vec_binop_vecval_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec0_node_ptr_(0) + { + bool v0_is_ivec = false; + + if (is_vector_node(branch(0))) + { + vec0_node_ptr_ = static_cast(branch(0)); + } + else if (is_ivector_node(branch(0))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(0)))) + { + vec0_node_ptr_ = vi->vec(); + v0_is_ivec = true; + } + } + + if (vec0_node_ptr_) + { + if (v0_is_ivec) + vds() = vec0_node_ptr_->vds(); + else + vds() = vds_t(vec0_node_ptr_->base_size()); + + memory_context_ = make_memory_context(vec0_node_ptr_->vec_holder(), vds()); + } + + assert(valid()); + } + + ~vec_binop_vecval_node() + { + memory_context_.clear(); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + const T v = branch(1)->value(); + + const T* vec0 = vec0_node_ptr_->vds().data(); + T* vec1 = vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec0 + lud.upper_bound; + + while (vec0 < upper_bound) + { + #define exprtk_loop(N) \ + vec1[N] = Operation::process(vec0[N], v); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : { vec1[i] = Operation::process(vec0[i], v); ++i; } \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return (vds().data())[0]; + } + + vector_node_ptr vec() const exprtk_override + { + return memory_context_.temp_vec_node_; + } + + vector_node_ptr vec() exprtk_override + { + return memory_context_.temp_vec_node_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvalarith; + } + + inline bool valid() const exprtk_override + { + return + vec0_node_ptr_ && + (size() <= base_size()) && + binary_node::valid(); + } + + std::size_t size() const exprtk_override + { + return vec0_node_ptr_->size(); + } + + std::size_t base_size() const exprtk_override + { + return vec0_node_ptr_->vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node_ptr vec0_node_ptr_; + vds_t vds_; + memory_context memory_context_; + }; + + template + class vec_binop_valvec_node exprtk_final + : public binary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef memory_context_t memory_context; + + using binary_node::branch; + + vec_binop_valvec_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , vec1_node_ptr_(0) + { + bool v1_is_ivec = false; + + if (is_vector_node(branch(1))) + { + vec1_node_ptr_ = static_cast(branch(1)); + } + else if (is_ivector_node(branch(1))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(1)))) + { + vec1_node_ptr_ = vi->vec(); + v1_is_ivec = true; + } + } + + if (vec1_node_ptr_) + { + if (v1_is_ivec) + vds() = vec1_node_ptr_->vds(); + else + vds() = vds_t(vec1_node_ptr_->base_size()); + + memory_context_ = make_memory_context(vec1_node_ptr_->vec_holder(), vds()); + } + + assert(valid()); + } + + ~vec_binop_valvec_node() + { + memory_context_.clear(); + } + + inline T value() const exprtk_override + { + const T v = branch(0)->value(); + branch(1)->value(); + + T* vec0 = vds().data(); + const T* vec1 = vec1_node_ptr_->vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec0 + lud.upper_bound; + + while (vec0 < upper_bound) + { + #define exprtk_loop(N) \ + vec0[N] = Operation::process(v, vec1[N]); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : { vec0[i] = Operation::process(v, vec1[i]); ++i; } \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return (vds().data())[0]; + } + + vector_node_ptr vec() const exprtk_override + { + return memory_context_.temp_vec_node_; + } + + vector_node_ptr vec() exprtk_override + { + return memory_context_.temp_vec_node_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecvalarith; + } + + inline bool valid() const exprtk_override + { + return + vec1_node_ptr_ && + (size() <= base_size()) && + (vds_.size() <= base_size()) && + binary_node::valid(); + } + + std::size_t size() const exprtk_override + { + return vec1_node_ptr_->vec_holder().size(); + } + + std::size_t base_size() const exprtk_override + { + return vec1_node_ptr_->vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node_ptr vec1_node_ptr_; + vds_t vds_; + memory_context memory_context_; + }; + + template + class unary_vector_node exprtk_final + : public unary_node + , public vector_interface + { + public: + + typedef expression_node* expression_ptr; + typedef vector_node* vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef memory_context_t memory_context; + + using expression_node::branch; + + unary_vector_node(const operator_type& opr, expression_ptr branch0) + : unary_node(opr, branch0) + , vec0_node_ptr_(0) + { + bool vec0_is_ivec = false; + + if (is_vector_node(branch(0))) + { + vec0_node_ptr_ = static_cast(branch(0)); + } + else if (is_ivector_node(branch(0))) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 != (vi = dynamic_cast*>(branch(0)))) + { + vec0_node_ptr_ = vi->vec(); + vec0_is_ivec = true; + } + } + + if (vec0_node_ptr_) + { + if (vec0_is_ivec) + vds_ = vec0_node_ptr_->vds(); + else + vds_ = vds_t(vec0_node_ptr_->base_size()); + + memory_context_ = make_memory_context(vec0_node_ptr_->vec_holder(), vds()); + } + + assert(valid()); + } + + ~unary_vector_node() + { + memory_context_.clear(); + } + + inline T value() const exprtk_override + { + branch()->value(); + + const T* vec0 = vec0_node_ptr_->vds().data(); + T* vec1 = vds().data(); + + loop_unroll::details lud(size()); + const T* upper_bound = vec0 + lud.upper_bound; + + while (vec0 < upper_bound) + { + #define exprtk_loop(N) \ + vec1[N] = Operation::process(vec0[N]); \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec0 += lud.batch_size; + vec1 += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N) \ + case N : { vec1[i] = Operation::process(vec0[i]); ++i; } \ + exprtk_fallthrough \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15) case_stmt(14) + case_stmt(13) case_stmt(12) + case_stmt(11) case_stmt(10) + case_stmt( 9) case_stmt( 8) + case_stmt( 7) case_stmt( 6) + case_stmt( 5) case_stmt( 4) + #endif + case_stmt( 3) case_stmt( 2) + case_stmt( 1) + default: break; + } + + #undef exprtk_loop + #undef case_stmt + + return (vds().data())[0]; + } + + vector_node_ptr vec() const exprtk_override + { + return memory_context_.temp_vec_node_; + } + + vector_node_ptr vec() exprtk_override + { + return memory_context_.temp_vec_node_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecunaryop; + } + + inline bool valid() const exprtk_override + { + return vec0_node_ptr_ && unary_node::valid(); + } + + std::size_t size() const exprtk_override + { + return vec0_node_ptr_->vec_holder().size(); + } + + std::size_t base_size() const exprtk_override + { + return vec0_node_ptr_->vec_holder().base_size(); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + private: + + vector_node_ptr vec0_node_ptr_; + vds_t vds_; + memory_context memory_context_; + }; + + template + class conditional_vector_node exprtk_final + : public expression_node + , public vector_interface + { + public: + + typedef expression_node * expression_ptr; + typedef vector_interface* vec_interface_ptr; + typedef vector_node * vector_node_ptr; + typedef vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + typedef vec_data_store vds_t; + typedef memory_context_t memory_context; + typedef std::pair branch_t; + + conditional_vector_node(expression_ptr condition, + expression_ptr consequent, + expression_ptr alternative) + : consequent_node_ptr_ (0) + , alternative_node_ptr_(0) + , temp_vec_node_ (0) + , temp_ (0) + , result_vec_size_ (0) + , initialised_ (false) + { + construct_branch_pair(condition_ , condition ); + construct_branch_pair(consequent_ , consequent ); + construct_branch_pair(alternative_, alternative); + + if (details::is_ivector_node(consequent_.first)) + { + vec_interface_ptr ivec_ptr = dynamic_cast(consequent_.first); + + if (0 != ivec_ptr) + { + consequent_node_ptr_ = ivec_ptr->vec(); + } + } + + if (details::is_ivector_node(alternative_.first)) + { + vec_interface_ptr ivec_ptr = dynamic_cast(alternative_.first); + + if (0 != ivec_ptr) + { + alternative_node_ptr_ = ivec_ptr->vec(); + } + } + + if (consequent_node_ptr_ && alternative_node_ptr_) + { + const std::size_t vec_size = + std::max(consequent_node_ptr_ ->vec_holder().base_size(), + alternative_node_ptr_->vec_holder().base_size()); + + vds_ = vds_t(vec_size); + memory_context_ = make_memory_context( + consequent_node_ptr_ ->vec_holder(), + alternative_node_ptr_->vec_holder(), + vds()); + + initialised_ = (vec_size > 0); + } + + assert(initialised_); + } + + ~conditional_vector_node() + { + memory_context_.clear(); + } + + inline T value() const exprtk_override + { + T result = T(0); + T* source_vector = 0; + T* result_vector = vds().data(); + + if (is_true(condition_)) + { + result = consequent_.first->value(); + source_vector = consequent_node_ptr_->vds().data(); + result_vec_size_ = consequent_node_ptr_->size(); + } + else + { + result = alternative_.first->value(); + source_vector = alternative_node_ptr_->vds().data(); + result_vec_size_ = alternative_node_ptr_->size(); + } + + for (std::size_t i = 0; i < result_vec_size_; ++i) + { + result_vector[i] = source_vector[i]; + } + + return result; + } + + vector_node_ptr vec() const exprtk_override + { + return memory_context_.temp_vec_node_; + } + + vector_node_ptr vec() exprtk_override + { + return memory_context_.temp_vec_node_; + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vecondition; + } + + inline bool valid() const exprtk_override + { + return + initialised_ && + condition_ .first && condition_ .first->valid() && + consequent_ .first && consequent_ .first->valid() && + alternative_.first && alternative_.first->valid() && + size() <= base_size(); + } + + std::size_t size() const exprtk_override + { + return result_vec_size_; + } + + std::size_t base_size() const exprtk_override + { + return std::min( + consequent_node_ptr_ ->vec_holder().base_size(), + alternative_node_ptr_->vec_holder().base_size()); + } + + vds_t& vds() exprtk_override + { + return vds_; + } + + const vds_t& vds() const exprtk_override + { + return vds_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(condition_ , node_delete_list); + expression_node::ndb_t::collect(consequent_ , node_delete_list); + expression_node::ndb_t::collect(alternative_ , node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth + (condition_, consequent_, alternative_); + } + + private: + + branch_t condition_; + branch_t consequent_; + branch_t alternative_; + vector_node_ptr consequent_node_ptr_; + vector_node_ptr alternative_node_ptr_; + vector_node_ptr temp_vec_node_; + vector_holder_ptr temp_; + vds_t vds_; + mutable std::size_t result_vec_size_; + bool initialised_; + memory_context memory_context_; + }; + + template + class scand_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + scand_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + { + assert(binary_node::valid()); + } + + inline T value() const exprtk_override + { + return ( + std::not_equal_to() + (T(0),branch(0)->value()) && + std::not_equal_to() + (T(0),branch(1)->value()) + ) ? T(1) : T(0); + } + }; + + template + class scor_node exprtk_final : public binary_node + { + public: + + typedef expression_node* expression_ptr; + using binary_node::branch; + + scor_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + { + assert(binary_node::valid()); + } + + inline T value() const exprtk_override + { + return ( + std::not_equal_to() + (T(0),branch(0)->value()) || + std::not_equal_to() + (T(0),branch(1)->value()) + ) ? T(1) : T(0); + } + }; + + template + class function_N_node exprtk_final : public expression_node + { + public: + + // Function of N parameters. + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef IFunction ifunction; + + explicit function_N_node(ifunction* func) + : function_((N == func->param_count) ? func : reinterpret_cast(0)) + , parameter_count_(func->param_count) + , initialised_(false) + {} + + template + bool init_branches(expression_ptr (&b)[NumBranches]) + { + // Needed for incompetent and broken msvc compiler versions + #ifdef _MSC_VER + #pragma warning(push) + #pragma warning(disable: 4127) + #endif + + if (N != NumBranches) + { + return false; + } + + for (std::size_t i = 0; i < NumBranches; ++i) + { + if (b[i] && b[i]->valid()) + branch_[i] = std::make_pair(b[i],branch_deletable(b[i])); + else + return false; + } + + initialised_ = function_; + assert(valid()); + return initialised_; + + #ifdef _MSC_VER + #pragma warning(pop) + #endif + } + + inline bool operator <(const function_N_node& fn) const + { + return this < (&fn); + } + + inline T value() const exprtk_override + { + // Needed for incompetent and broken msvc compiler versions + #ifdef _MSC_VER + #pragma warning(push) + #pragma warning(disable: 4127) + #endif + + T v[N]; + evaluate_branches::execute(v,branch_); + return invoke::execute(*function_,v); + + #ifdef _MSC_VER + #pragma warning(pop) + #endif + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_function; + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::template compute_node_depth(branch_); + } + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[BranchCount], const branch_t (&b)[BranchCount]) + { + for (std::size_t i = 0; i < BranchCount; ++i) + { + v[i] = b[i].first->value(); + } + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[6], const branch_t (&b)[6]) + { + v[0] = b[0].first->value(); + v[1] = b[1].first->value(); + v[2] = b[2].first->value(); + v[3] = b[3].first->value(); + v[4] = b[4].first->value(); + v[5] = b[5].first->value(); + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[5], const branch_t (&b)[5]) + { + v[0] = b[0].first->value(); + v[1] = b[1].first->value(); + v[2] = b[2].first->value(); + v[3] = b[3].first->value(); + v[4] = b[4].first->value(); + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[4], const branch_t (&b)[4]) + { + v[0] = b[0].first->value(); + v[1] = b[1].first->value(); + v[2] = b[2].first->value(); + v[3] = b[3].first->value(); + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[3], const branch_t (&b)[3]) + { + v[0] = b[0].first->value(); + v[1] = b[1].first->value(); + v[2] = b[2].first->value(); + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[2], const branch_t (&b)[2]) + { + v[0] = b[0].first->value(); + v[1] = b[1].first->value(); + } + }; + + template + struct evaluate_branches + { + static inline void execute(T_ (&v)[1], const branch_t (&b)[1]) + { + v[0] = b[0].first->value(); + } + }; + + template + struct invoke { static inline T execute(ifunction&, branch_t (&)[ParamCount]) { return std::numeric_limits::quiet_NaN(); } }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[20]) + { return f(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],v[16],v[17],v[18],v[19]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[19]) + { return f(v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],v[16],v[17],v[18]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[18]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16], v[17]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[17]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13], v[14], v[15], v[16]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[16]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13], v[14], v[15]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[15]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13], v[14]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[14]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[13]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[12]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[11]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[10]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8], v[9]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[9]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7], v[8]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[8]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6], v[7]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[7]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5], v[6]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[6]) + { return f(v[0], v[1], v[2], v[3], v[4], v[5]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[5]) + { return f(v[0], v[1], v[2], v[3], v[4]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[4]) + { return f(v[0], v[1], v[2], v[3]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[3]) + { return f(v[0], v[1], v[2]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[2]) + { return f(v[0], v[1]); } + }; + + template + struct invoke + { + static inline T_ execute(ifunction& f, T_ (&v)[1]) + { return f(v[0]); } + }; + + private: + + ifunction* function_; + std::size_t parameter_count_; + branch_t branch_[N]; + bool initialised_; + }; + + template + class function_N_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef IFunction ifunction; + + explicit function_N_node(ifunction* func) + : function_((0 == func->param_count) ? func : reinterpret_cast(0)) + { + assert(valid()); + } + + inline bool operator <(const function_N_node& fn) const + { + return this < (&fn); + } + + inline T value() const exprtk_override + { + return (*function_)(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_function; + } + + inline bool valid() const exprtk_override + { + return function_; + } + + private: + + ifunction* function_; + }; + + template + class vararg_function_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + + vararg_function_node(VarArgFunction* func, + const std::vector& arg_list) + : function_(func) + , arg_list_(arg_list) + { + value_list_.resize(arg_list.size(),std::numeric_limits::quiet_NaN()); + assert(valid()); + } + + inline bool operator <(const vararg_function_node& fn) const + { + return this < (&fn); + } + + inline T value() const exprtk_override + { + populate_value_list(); + return (*function_)(value_list_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_vafunction; + } + + inline bool valid() const exprtk_override + { + return function_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + for (std::size_t i = 0; i < arg_list_.size(); ++i) + { + if (arg_list_[i] && !details::is_variable_node(arg_list_[i])) + { + node_delete_list.push_back(&arg_list_[i]); + } + } + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(arg_list_); + } + + private: + + inline void populate_value_list() const + { + for (std::size_t i = 0; i < arg_list_.size(); ++i) + { + value_list_[i] = arg_list_[i]->value(); + } + } + + VarArgFunction* function_; + std::vector arg_list_; + mutable std::vector value_list_; + }; + + template + class generic_function_node : public expression_node + { + public: + + typedef type_store type_store_t; + typedef expression_node* expression_ptr; + typedef variable_node variable_node_t; + typedef vector_node vector_node_t; + typedef variable_node_t* variable_node_ptr_t; + typedef vector_node_t* vector_node_ptr_t; + typedef range_interface range_interface_t; + typedef range_data_type range_data_type_t; + typedef typename range_interface::range_t range_t; + + typedef std::pair branch_t; + typedef vector_holder* vh_t; + typedef vector_view* vecview_t; + + typedef std::vector tmp_vs_t; + typedef std::vector typestore_list_t; + typedef std::vector range_list_t; + + explicit generic_function_node(const std::vector& arg_list, + GenericFunction* func = reinterpret_cast(0)) + : function_(func) + , arg_list_(arg_list) + {} + + virtual ~generic_function_node() + { + for (std::size_t i = 0; i < vv_list_.size(); ++i) + { + vecview_t& vv = vv_list_[i]; + if (vv && typestore_list_[i].vec_data) + { + vv->remove_ref(&typestore_list_[i].vec_data); + typestore_list_[i].vec_data = 0; + } + } + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override exprtk_final + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + virtual bool init_branches() + { + expr_as_vec1_store_.resize(arg_list_.size(), T(0) ); + typestore_list_ .resize(arg_list_.size(), type_store_t() ); + range_list_ .resize(arg_list_.size(), range_data_type_t()); + branch_ .resize(arg_list_.size(), branch_t(reinterpret_cast(0),false)); + vv_list_ .resize(arg_list_.size(), vecview_t(0)); + + for (std::size_t i = 0; i < arg_list_.size(); ++i) + { + type_store_t& ts = typestore_list_[i]; + + if (0 == arg_list_[i]) + return false; + else if (is_ivector_node(arg_list_[i])) + { + vector_interface* vi = reinterpret_cast*>(0); + + if (0 == (vi = dynamic_cast*>(arg_list_[i]))) + return false; + + ts.size = vi->size(); + ts.data = vi->vds().data(); + ts.type = type_store_t::e_vector; + + if ( + vi->vec()->vec_holder().rebaseable() && + vi->vec()->vec_holder().rebaseable_instance() + ) + { + vv_list_[i] = vi->vec()->vec_holder().rebaseable_instance(); + vv_list_[i]->set_ref(&ts.vec_data); + } + } + #ifndef exprtk_disable_string_capabilities + else if (is_generally_string_node(arg_list_[i])) + { + string_base_node* sbn = reinterpret_cast*>(0); + + if (0 == (sbn = dynamic_cast*>(arg_list_[i]))) + return false; + + ts.size = sbn->size(); + ts.data = reinterpret_cast(const_cast(sbn->base())); + ts.type = type_store_t::e_string; + + range_list_[i].data = ts.data; + range_list_[i].size = ts.size; + range_list_[i].type_size = sizeof(char); + range_list_[i].str_node = sbn; + + range_interface_t* ri = reinterpret_cast(0); + + if (0 == (ri = dynamic_cast(arg_list_[i]))) + return false; + + const range_t& rp = ri->range_ref(); + + if ( + rp.const_range() && + is_const_string_range_node(arg_list_[i]) + ) + { + ts.size = rp.const_size(); + ts.data = static_cast(ts.data) + rp.n0_c.second; + range_list_[i].range = reinterpret_cast(0); + } + else + { + range_list_[i].range = &(ri->range_ref()); + range_param_list_.push_back(i); + } + } + #endif + else if (is_variable_node(arg_list_[i])) + { + variable_node_ptr_t var = variable_node_ptr_t(0); + + if (0 == (var = dynamic_cast(arg_list_[i]))) + return false; + + ts.size = 1; + ts.data = &var->ref(); + ts.type = type_store_t::e_scalar; + } + else + { + ts.size = 1; + ts.data = reinterpret_cast(&expr_as_vec1_store_[i]); + ts.type = type_store_t::e_scalar; + } + + branch_[i] = std::make_pair(arg_list_[i],branch_deletable(arg_list_[i])); + } + + return true; + } + + inline bool operator <(const generic_function_node& fn) const + { + return this < (&fn); + } + + inline T value() const exprtk_override + { + if (populate_value_list()) + { + typedef typename GenericFunction::parameter_list_t parameter_list_t; + + return (*function_)(parameter_list_t(typestore_list_)); + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_genfunction; + } + + inline bool valid() const exprtk_override + { + return function_; + } + + protected: + + inline virtual bool populate_value_list() const + { + for (std::size_t i = 0; i < branch_.size(); ++i) + { + expr_as_vec1_store_[i] = branch_[i].first->value(); + } + + if (!range_param_list_.empty()) + { + assert(range_param_list_.size() <= branch_.size()); + + for (std::size_t i = 0; i < range_param_list_.size(); ++i) + { + const std::size_t index = range_param_list_[i]; + range_data_type_t& rdt = range_list_[index]; + + const range_t& rp = (*rdt.range); + std::size_t r0 = 0; + std::size_t r1 = 0; + + const std::size_t data_size = + #ifndef exprtk_disable_string_capabilities + rdt.str_node ? rdt.str_node->size() : rdt.size; + #else + rdt.size; + #endif + + if (!rp(r0, r1, data_size)) + { + return false; + } + + type_store_t& ts = typestore_list_[index]; + + ts.size = rp.cache_size(); + #ifndef exprtk_disable_string_capabilities + if (ts.type == type_store_t::e_string) + ts.data = const_cast(rdt.str_node->base()) + rp.cache.first; + else + #endif + ts.data = static_cast(rdt.data) + (rp.cache.first * rdt.type_size); + } + } + + return true; + } + + GenericFunction* function_; + mutable typestore_list_t typestore_list_; + + private: + + std::vector arg_list_; + std::vector branch_; + std::vector vv_list_; + mutable tmp_vs_t expr_as_vec1_store_; + mutable range_list_t range_list_; + std::vector range_param_list_; + }; + + #ifndef exprtk_disable_string_capabilities + template + class string_function_node : public generic_function_node + , public string_base_node + , public range_interface + { + public: + + typedef generic_function_node gen_function_t; + typedef typename range_interface::range_t range_t; + + string_function_node(StringFunction* func, + const std::vector& arg_list) + : gen_function_t(arg_list,func) + { + range_.n0_c = std::make_pair(true,0); + range_.n1_c = std::make_pair(true,0); + range_.cache.first = range_.n0_c.second; + range_.cache.second = range_.n1_c.second; + assert(valid()); + } + + inline bool operator <(const string_function_node& fn) const + { + return this < (&fn); + } + + inline T value() const exprtk_override + { + if (gen_function_t::populate_value_list()) + { + typedef typename StringFunction::parameter_list_t parameter_list_t; + + const T result = + (*gen_function_t::function_) + ( + ret_string_, + parameter_list_t(gen_function_t::typestore_list_) + ); + + range_.n1_c.second = ret_string_.size(); + range_.cache.second = range_.n1_c.second; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strfunction; + } + + inline bool valid() const exprtk_override + { + return gen_function_t::function_; + } + + std::string str() const exprtk_override + { + return ret_string_; + } + + char_cptr base() const exprtk_override + { + return &ret_string_[0]; + } + + std::size_t size() const exprtk_override + { + return ret_string_.size(); + } + + range_t& range_ref() exprtk_override + { + return range_; + } + + const range_t& range_ref() const exprtk_override + { + return range_; + } + + protected: + + mutable range_t range_; + mutable std::string ret_string_; + }; + #endif + + template + class multimode_genfunction_node : public generic_function_node + { + public: + + typedef generic_function_node gen_function_t; + typedef typename gen_function_t::range_t range_t; + + multimode_genfunction_node(GenericFunction* func, + const std::size_t& param_seq_index, + const std::vector& arg_list) + : gen_function_t(arg_list,func) + , param_seq_index_(param_seq_index) + {} + + inline T value() const exprtk_override + { + assert(gen_function_t::valid()); + + if (gen_function_t::populate_value_list()) + { + typedef typename GenericFunction::parameter_list_t parameter_list_t; + + return + (*gen_function_t::function_) + ( + param_seq_index_, + parameter_list_t(gen_function_t::typestore_list_) + ); + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override exprtk_final + { + return expression_node::e_genfunction; + } + + private: + + std::size_t param_seq_index_; + }; + + #ifndef exprtk_disable_string_capabilities + template + class multimode_strfunction_node exprtk_final : public string_function_node + { + public: + + typedef string_function_node str_function_t; + typedef typename str_function_t::range_t range_t; + + multimode_strfunction_node(StringFunction* func, + const std::size_t& param_seq_index, + const std::vector& arg_list) + : str_function_t(func,arg_list) + , param_seq_index_(param_seq_index) + {} + + inline T value() const exprtk_override + { + if (str_function_t::populate_value_list()) + { + typedef typename StringFunction::parameter_list_t parameter_list_t; + + const T result = + (*str_function_t::function_) + ( + param_seq_index_, + str_function_t::ret_string_, + parameter_list_t(str_function_t::typestore_list_) + ); + + str_function_t::range_.n1_c.second = str_function_t::ret_string_.size(); + str_function_t::range_.cache.second = str_function_t::range_.n1_c.second; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_strfunction; + } + + private: + + const std::size_t param_seq_index_; + }; + #endif + + class return_exception {}; + + template + class null_igenfunc + { + public: + + virtual ~null_igenfunc() + {} + + typedef type_store generic_type; + typedef typename generic_type::parameter_list parameter_list_t; + + inline virtual T operator() (parameter_list_t) + { + return std::numeric_limits::quiet_NaN(); + } + }; + + #ifndef exprtk_disable_return_statement + template + class return_node exprtk_final : public generic_function_node > + { + public: + + typedef results_context results_context_t; + typedef null_igenfunc igeneric_function_t; + typedef igeneric_function_t* igeneric_function_ptr; + typedef generic_function_node gen_function_t; + + return_node(const std::vector& arg_list, + results_context_t& rc) + : gen_function_t (arg_list) + , results_context_(&rc) + { + assert(valid()); + } + + inline T value() const exprtk_override + { + if (gen_function_t::populate_value_list()) + { + typedef typename type_store::parameter_list parameter_list_t; + + results_context_-> + assign(parameter_list_t(gen_function_t::typestore_list_)); + + throw return_exception(); + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_return; + } + + inline bool valid() const exprtk_override + { + return results_context_; + } + + private: + + results_context_t* results_context_; + }; + + template + class return_envelope_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef results_context results_context_t; + typedef std::pair branch_t; + + return_envelope_node(expression_ptr body, results_context_t& rc) + : results_context_(&rc ) + , return_invoked_ (false) + { + construct_branch_pair(body_, body); + assert(valid()); + } + + inline T value() const exprtk_override + { + try + { + return_invoked_ = false; + results_context_->clear(); + + return body_.first->value(); + } + catch(const return_exception&) + { + return_invoked_ = true; + + return std::numeric_limits::quiet_NaN(); + } + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_retenv; + } + + inline bool valid() const exprtk_override + { + return results_context_ && body_.first; + } + + inline bool* retinvk_ptr() + { + return &return_invoked_; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(body_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(body_); + } + + private: + + results_context_t* results_context_; + mutable bool return_invoked_; + branch_t body_; + }; + #endif + + #define exprtk_define_unary_op(OpName) \ + template \ + struct OpName##_op \ + { \ + typedef typename functor_t::Type Type; \ + typedef typename expression_node::node_type node_t; \ + \ + static inline T process(Type v) \ + { \ + return numeric:: OpName (v); \ + } \ + \ + static inline node_t type() \ + { \ + return expression_node::e_##OpName; \ + } \ + \ + static inline details::operator_type operation() \ + { \ + return details::e_##OpName; \ + } \ + }; \ + + exprtk_define_unary_op(abs ) + exprtk_define_unary_op(acos ) + exprtk_define_unary_op(acosh) + exprtk_define_unary_op(asin ) + exprtk_define_unary_op(asinh) + exprtk_define_unary_op(atan ) + exprtk_define_unary_op(atanh) + exprtk_define_unary_op(ceil ) + exprtk_define_unary_op(cos ) + exprtk_define_unary_op(cosh ) + exprtk_define_unary_op(cot ) + exprtk_define_unary_op(csc ) + exprtk_define_unary_op(d2g ) + exprtk_define_unary_op(d2r ) + exprtk_define_unary_op(erf ) + exprtk_define_unary_op(erfc ) + exprtk_define_unary_op(exp ) + exprtk_define_unary_op(expm1) + exprtk_define_unary_op(floor) + exprtk_define_unary_op(frac ) + exprtk_define_unary_op(g2d ) + exprtk_define_unary_op(log ) + exprtk_define_unary_op(log10) + exprtk_define_unary_op(log2 ) + exprtk_define_unary_op(log1p) + exprtk_define_unary_op(ncdf ) + exprtk_define_unary_op(neg ) + exprtk_define_unary_op(notl ) + exprtk_define_unary_op(pos ) + exprtk_define_unary_op(r2d ) + exprtk_define_unary_op(round) + exprtk_define_unary_op(sec ) + exprtk_define_unary_op(sgn ) + exprtk_define_unary_op(sin ) + exprtk_define_unary_op(sinc ) + exprtk_define_unary_op(sinh ) + exprtk_define_unary_op(sqrt ) + exprtk_define_unary_op(tan ) + exprtk_define_unary_op(tanh ) + exprtk_define_unary_op(trunc) + #undef exprtk_define_unary_op + + template + struct opr_base + { + typedef typename details::functor_t::Type Type; + typedef typename details::functor_t::RefType RefType; + typedef typename details::functor_t functor_t; + typedef typename functor_t::qfunc_t quaternary_functor_t; + typedef typename functor_t::tfunc_t trinary_functor_t; + typedef typename functor_t::bfunc_t binary_functor_t; + typedef typename functor_t::ufunc_t unary_functor_t; + }; + + template + struct add_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return t1 + t2; } + static inline T process(Type t1, Type t2, Type t3) { return t1 + t2 + t3; } + static inline void assign(RefType t1, Type t2) { t1 += t2; } + static inline typename expression_node::node_type type() { return expression_node::e_add; } + static inline details::operator_type operation() { return details::e_add; } + }; + + template + struct mul_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return t1 * t2; } + static inline T process(Type t1, Type t2, Type t3) { return t1 * t2 * t3; } + static inline void assign(RefType t1, Type t2) { t1 *= t2; } + static inline typename expression_node::node_type type() { return expression_node::e_mul; } + static inline details::operator_type operation() { return details::e_mul; } + }; + + template + struct sub_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return t1 - t2; } + static inline T process(Type t1, Type t2, Type t3) { return t1 - t2 - t3; } + static inline void assign(RefType t1, Type t2) { t1 -= t2; } + static inline typename expression_node::node_type type() { return expression_node::e_sub; } + static inline details::operator_type operation() { return details::e_sub; } + }; + + template + struct div_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return t1 / t2; } + static inline T process(Type t1, Type t2, Type t3) { return t1 / t2 / t3; } + static inline void assign(RefType t1, Type t2) { t1 /= t2; } + static inline typename expression_node::node_type type() { return expression_node::e_div; } + static inline details::operator_type operation() { return details::e_div; } + }; + + template + struct mod_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return numeric::modulus(t1,t2); } + static inline void assign(RefType t1, Type t2) { t1 = numeric::modulus(t1,t2); } + static inline typename expression_node::node_type type() { return expression_node::e_mod; } + static inline details::operator_type operation() { return details::e_mod; } + }; + + template + struct pow_op : public opr_base + { + typedef typename opr_base::Type Type; + typedef typename opr_base::RefType RefType; + + static inline T process(Type t1, Type t2) { return numeric::pow(t1,t2); } + static inline void assign(RefType t1, Type t2) { t1 = numeric::pow(t1,t2); } + static inline typename expression_node::node_type type() { return expression_node::e_pow; } + static inline details::operator_type operation() { return details::e_pow; } + }; + + template + struct lt_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return ((t1 < t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 < t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_lt; } + static inline details::operator_type operation() { return details::e_lt; } + }; + + template + struct lte_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return ((t1 <= t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 <= t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_lte; } + static inline details::operator_type operation() { return details::e_lte; } + }; + + template + struct gt_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return ((t1 > t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 > t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_gt; } + static inline details::operator_type operation() { return details::e_gt; } + }; + + template + struct gte_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return ((t1 >= t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 >= t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_gte; } + static inline details::operator_type operation() { return details::e_gte; } + }; + + template + struct eq_op : public opr_base + { + typedef typename opr_base::Type Type; + static inline T process(Type t1, Type t2) { return (std::equal_to()(t1,t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 == t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_eq; } + static inline details::operator_type operation() { return details::e_eq; } + }; + + template + struct equal_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return numeric::equal(t1,t2); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 == t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_eq; } + static inline details::operator_type operation() { return details::e_equal; } + }; + + template + struct ne_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return (std::not_equal_to()(t1,t2) ? T(1) : T(0)); } + static inline T process(const std::string& t1, const std::string& t2) { return ((t1 != t2) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_ne; } + static inline details::operator_type operation() { return details::e_ne; } + }; + + template + struct and_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return (details::is_true(t1) && details::is_true(t2)) ? T(1) : T(0); } + static inline typename expression_node::node_type type() { return expression_node::e_and; } + static inline details::operator_type operation() { return details::e_and; } + }; + + template + struct nand_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return (details::is_true(t1) && details::is_true(t2)) ? T(0) : T(1); } + static inline typename expression_node::node_type type() { return expression_node::e_nand; } + static inline details::operator_type operation() { return details::e_nand; } + }; + + template + struct or_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return (details::is_true(t1) || details::is_true(t2)) ? T(1) : T(0); } + static inline typename expression_node::node_type type() { return expression_node::e_or; } + static inline details::operator_type operation() { return details::e_or; } + }; + + template + struct nor_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return (details::is_true(t1) || details::is_true(t2)) ? T(0) : T(1); } + static inline typename expression_node::node_type type() { return expression_node::e_nor; } + static inline details::operator_type operation() { return details::e_nor; } + }; + + template + struct xor_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return numeric::xor_opr(t1,t2); } + static inline typename expression_node::node_type type() { return expression_node::e_nor; } + static inline details::operator_type operation() { return details::e_xor; } + }; + + template + struct xnor_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(Type t1, Type t2) { return numeric::xnor_opr(t1,t2); } + static inline typename expression_node::node_type type() { return expression_node::e_nor; } + static inline details::operator_type operation() { return details::e_xnor; } + }; + + template + struct in_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(const T&, const T&) { return std::numeric_limits::quiet_NaN(); } + static inline T process(const std::string& t1, const std::string& t2) { return ((std::string::npos != t2.find(t1)) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_in; } + static inline details::operator_type operation() { return details::e_in; } + }; + + template + struct like_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(const T&, const T&) { return std::numeric_limits::quiet_NaN(); } + static inline T process(const std::string& t1, const std::string& t2) { return (details::wc_match(t2,t1) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_like; } + static inline details::operator_type operation() { return details::e_like; } + }; + + template + struct ilike_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(const T&, const T&) { return std::numeric_limits::quiet_NaN(); } + static inline T process(const std::string& t1, const std::string& t2) { return (details::wc_imatch(t2,t1) ? T(1) : T(0)); } + static inline typename expression_node::node_type type() { return expression_node::e_ilike; } + static inline details::operator_type operation() { return details::e_ilike; } + }; + + template + struct inrange_op : public opr_base + { + typedef typename opr_base::Type Type; + + static inline T process(const T& t0, const T& t1, const T& t2) { return ((t0 <= t1) && (t1 <= t2)) ? T(1) : T(0); } + static inline T process(const std::string& t0, const std::string& t1, const std::string& t2) + { + return ((t0 <= t1) && (t1 <= t2)) ? T(1) : T(0); + } + static inline typename expression_node::node_type type() { return expression_node::e_inranges; } + static inline details::operator_type operation() { return details::e_inrange; } + }; + + template + inline T value(details::expression_node* n) + { + return n->value(); + } + + template + inline T value(std::pair*,bool> n) + { + return n.first->value(); + } + + template + inline T value(const T* t) + { + return (*t); + } + + template + inline T value(const T& t) + { + return t; + } + + template + struct vararg_add_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return T(0); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + T result = T(0); + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + result += value(arg_list[i]); + } + + return result; + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return value(arg_list[0]) + value(arg_list[1]); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return value(arg_list[0]) + value(arg_list[1]) + + value(arg_list[2]) ; + } + + template + static inline T process_4(const Sequence& arg_list) + { + return value(arg_list[0]) + value(arg_list[1]) + + value(arg_list[2]) + value(arg_list[3]) ; + } + + template + static inline T process_5(const Sequence& arg_list) + { + return value(arg_list[0]) + value(arg_list[1]) + + value(arg_list[2]) + value(arg_list[3]) + + value(arg_list[4]) ; + } + }; + + template + struct vararg_mul_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return T(0); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + T result = T(value(arg_list[0])); + + for (std::size_t i = 1; i < arg_list.size(); ++i) + { + result *= value(arg_list[i]); + } + + return result; + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return value(arg_list[0]) * value(arg_list[1]); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return value(arg_list[0]) * value(arg_list[1]) * + value(arg_list[2]) ; + } + + template + static inline T process_4(const Sequence& arg_list) + { + return value(arg_list[0]) * value(arg_list[1]) * + value(arg_list[2]) * value(arg_list[3]) ; + } + + template + static inline T process_5(const Sequence& arg_list) + { + return value(arg_list[0]) * value(arg_list[1]) * + value(arg_list[2]) * value(arg_list[3]) * + value(arg_list[4]) ; + } + }; + + template + struct vararg_avg_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return T(0); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : return vararg_add_op::process(arg_list) / T(arg_list.size()); + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return (value(arg_list[0]) + value(arg_list[1])) / T(2); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return (value(arg_list[0]) + value(arg_list[1]) + value(arg_list[2])) / T(3); + } + + template + static inline T process_4(const Sequence& arg_list) + { + return (value(arg_list[0]) + value(arg_list[1]) + + value(arg_list[2]) + value(arg_list[3])) / T(4); + } + + template + static inline T process_5(const Sequence& arg_list) + { + return (value(arg_list[0]) + value(arg_list[1]) + + value(arg_list[2]) + value(arg_list[3]) + + value(arg_list[4])) / T(5); + } + }; + + template + struct vararg_min_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return T(0); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + T result = T(value(arg_list[0])); + + for (std::size_t i = 1; i < arg_list.size(); ++i) + { + const T v = value(arg_list[i]); + + if (v < result) + result = v; + } + + return result; + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return std::min(value(arg_list[0]),value(arg_list[1])); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return std::min(std::min(value(arg_list[0]),value(arg_list[1])),value(arg_list[2])); + } + + template + static inline T process_4(const Sequence& arg_list) + { + return std::min( + std::min(value(arg_list[0]), value(arg_list[1])), + std::min(value(arg_list[2]), value(arg_list[3]))); + } + + template + static inline T process_5(const Sequence& arg_list) + { + return std::min( + std::min(std::min(value(arg_list[0]), value(arg_list[1])), + std::min(value(arg_list[2]), value(arg_list[3]))), + value(arg_list[4])); + } + }; + + template + struct vararg_max_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return T(0); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + T result = T(value(arg_list[0])); + + for (std::size_t i = 1; i < arg_list.size(); ++i) + { + const T v = value(arg_list[i]); + + if (v > result) + result = v; + } + + return result; + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return std::max(value(arg_list[0]),value(arg_list[1])); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return std::max(std::max(value(arg_list[0]),value(arg_list[1])),value(arg_list[2])); + } + + template + static inline T process_4(const Sequence& arg_list) + { + return std::max( + std::max(value(arg_list[0]), value(arg_list[1])), + std::max(value(arg_list[2]), value(arg_list[3]))); + } + + template + static inline T process_5(const Sequence& arg_list) + { + return std::max( + std::max(std::max(value(arg_list[0]), value(arg_list[1])), + std::max(value(arg_list[2]), value(arg_list[3]))), + value(arg_list[4])); + } + }; + + template + struct vararg_mand_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (std::equal_to()(T(0), value(arg_list[i]))) + return T(0); + } + + return T(1); + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return std::not_equal_to() + (T(0), value(arg_list[0])) ? T(1) : T(0); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) && + std::not_equal_to()(T(0), value(arg_list[1])) + ) ? T(1) : T(0); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) && + std::not_equal_to()(T(0), value(arg_list[1])) && + std::not_equal_to()(T(0), value(arg_list[2])) + ) ? T(1) : T(0); + } + + template + static inline T process_4(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) && + std::not_equal_to()(T(0), value(arg_list[1])) && + std::not_equal_to()(T(0), value(arg_list[2])) && + std::not_equal_to()(T(0), value(arg_list[3])) + ) ? T(1) : T(0); + } + + template + static inline T process_5(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) && + std::not_equal_to()(T(0), value(arg_list[1])) && + std::not_equal_to()(T(0), value(arg_list[2])) && + std::not_equal_to()(T(0), value(arg_list[3])) && + std::not_equal_to()(T(0), value(arg_list[4])) + ) ? T(1) : T(0); + } + }; + + template + struct vararg_mor_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + default : + { + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (std::not_equal_to()(T(0), value(arg_list[i]))) + return T(1); + } + + return T(0); + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return std::not_equal_to() + (T(0), value(arg_list[0])) ? T(1) : T(0); + } + + template + static inline T process_2(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) || + std::not_equal_to()(T(0), value(arg_list[1])) + ) ? T(1) : T(0); + } + + template + static inline T process_3(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) || + std::not_equal_to()(T(0), value(arg_list[1])) || + std::not_equal_to()(T(0), value(arg_list[2])) + ) ? T(1) : T(0); + } + + template + static inline T process_4(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) || + std::not_equal_to()(T(0), value(arg_list[1])) || + std::not_equal_to()(T(0), value(arg_list[2])) || + std::not_equal_to()(T(0), value(arg_list[3])) + ) ? T(1) : T(0); + } + + template + static inline T process_5(const Sequence& arg_list) + { + return ( + std::not_equal_to()(T(0), value(arg_list[0])) || + std::not_equal_to()(T(0), value(arg_list[1])) || + std::not_equal_to()(T(0), value(arg_list[2])) || + std::not_equal_to()(T(0), value(arg_list[3])) || + std::not_equal_to()(T(0), value(arg_list[4])) + ) ? T(1) : T(0); + } + }; + + template + struct vararg_multi_op exprtk_final : public opr_base + { + typedef typename opr_base::Type Type; + + template class Sequence> + static inline T process(const Sequence& arg_list) + { + switch (arg_list.size()) + { + case 0 : return std::numeric_limits::quiet_NaN(); + case 1 : return process_1(arg_list); + case 2 : return process_2(arg_list); + case 3 : return process_3(arg_list); + case 4 : return process_4(arg_list); + case 5 : return process_5(arg_list); + case 6 : return process_6(arg_list); + case 7 : return process_7(arg_list); + case 8 : return process_8(arg_list); + default : + { + for (std::size_t i = 0; i < (arg_list.size() - 1); ++i) + { + value(arg_list[i]); + } + return value(arg_list.back()); + } + } + } + + template + static inline T process_1(const Sequence& arg_list) + { + return value(arg_list[0]); + } + + template + static inline T process_2(const Sequence& arg_list) + { + value(arg_list[0]); + return value(arg_list[1]); + } + + template + static inline T process_3(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + return value(arg_list[2]); + } + + template + static inline T process_4(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + value(arg_list[2]); + return value(arg_list[3]); + } + + template + static inline T process_5(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + value(arg_list[2]); + value(arg_list[3]); + return value(arg_list[4]); + } + + template + static inline T process_6(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + value(arg_list[2]); + value(arg_list[3]); + value(arg_list[4]); + return value(arg_list[5]); + } + + template + static inline T process_7(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + value(arg_list[2]); + value(arg_list[3]); + value(arg_list[4]); + value(arg_list[5]); + return value(arg_list[6]); + } + + template + static inline T process_8(const Sequence& arg_list) + { + value(arg_list[0]); + value(arg_list[1]); + value(arg_list[2]); + value(arg_list[3]); + value(arg_list[4]); + value(arg_list[5]); + value(arg_list[6]); + return value(arg_list[7]); + } + }; + + template + struct vec_add_op + { + typedef vector_interface* ivector_ptr; + + static inline T process(const ivector_ptr v) + { + const T* vec = v->vec()->vds().data(); + const std::size_t vec_size = v->size(); + + loop_unroll::details lud(vec_size); + + if (vec_size <= static_cast(lud.batch_size)) + { + T result = T(0); + int i = 0; + + switch (vec_size) + { + #define case_stmt(N,fall_through) \ + case N : result += vec[i++]; \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(16, exprtk_fallthrough) case_stmt(15, exprtk_fallthrough) + case_stmt(14, exprtk_fallthrough) case_stmt(13, exprtk_fallthrough) + case_stmt(12, exprtk_fallthrough) case_stmt(11, exprtk_fallthrough) + case_stmt(10, exprtk_fallthrough) case_stmt( 9, exprtk_fallthrough) + case_stmt( 8, exprtk_fallthrough) case_stmt( 7, exprtk_fallthrough) + case_stmt( 6, exprtk_fallthrough) case_stmt( 5, exprtk_fallthrough) + + #endif + case_stmt( 4, exprtk_fallthrough) case_stmt( 3, exprtk_fallthrough) + case_stmt( 2, exprtk_fallthrough) case_stmt( 1, (void)0;) + } + + #undef case_stmt + + return result; + } + + T r[] = { + T(0), T(0), T(0), T(0), T(0), T(0), T(0), T(0), + T(0), T(0), T(0), T(0), T(0), T(0), T(0), T(0) + }; + + const T* upper_bound = vec + lud.upper_bound; + + while (vec < upper_bound) + { + #define exprtk_loop(N) \ + r[N] += vec[N]; \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : r[0] += vec[i++]; \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return (r[ 0] + r[ 1] + r[ 2] + r[ 3]) + #ifndef exprtk_disable_superscalar_unroll + + (r[ 4] + r[ 5] + r[ 6] + r[ 7]) + + (r[ 8] + r[ 9] + r[10] + r[11]) + + (r[12] + r[13] + r[14] + r[15]) + #endif + ; + } + }; + + template + struct vec_mul_op + { + typedef vector_interface* ivector_ptr; + + static inline T process(const ivector_ptr v) + { + const T* vec = v->vec()->vds().data(); + const std::size_t vec_size = v->vec()->size(); + + loop_unroll::details lud(vec_size); + + if (vec_size <= static_cast(lud.batch_size)) + { + T result = T(1); + int i = 0; + + switch (vec_size) + { + #define case_stmt(N,fall_through) \ + case N : result *= vec[i++]; \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(16, exprtk_fallthrough) case_stmt(15, exprtk_fallthrough) + case_stmt(14, exprtk_fallthrough) case_stmt(13, exprtk_fallthrough) + case_stmt(12, exprtk_fallthrough) case_stmt(11, exprtk_fallthrough) + case_stmt(10, exprtk_fallthrough) case_stmt( 9, exprtk_fallthrough) + case_stmt( 8, exprtk_fallthrough) case_stmt( 7, exprtk_fallthrough) + case_stmt( 6, exprtk_fallthrough) case_stmt( 5, exprtk_fallthrough) + #endif + case_stmt( 4, exprtk_fallthrough) case_stmt( 3, exprtk_fallthrough) + case_stmt( 2, exprtk_fallthrough) case_stmt( 1, (void)0;) + } + + #undef case_stmt + + return result; + } + + T r[] = { + T(1), T(1), T(1), T(1), T(1), T(1), T(1), T(1), + T(1), T(1), T(1), T(1), T(1), T(1), T(1), T(1) + }; + + const T* upper_bound = vec + lud.upper_bound; + + while (vec < upper_bound) + { + #define exprtk_loop(N) \ + r[N] *= vec[N]; \ + + exprtk_loop( 0) exprtk_loop( 1) + exprtk_loop( 2) exprtk_loop( 3) + #ifndef exprtk_disable_superscalar_unroll + exprtk_loop( 4) exprtk_loop( 5) + exprtk_loop( 6) exprtk_loop( 7) + exprtk_loop( 8) exprtk_loop( 9) + exprtk_loop(10) exprtk_loop(11) + exprtk_loop(12) exprtk_loop(13) + exprtk_loop(14) exprtk_loop(15) + #endif + + vec += lud.batch_size; + } + + int i = 0; + + switch (lud.remainder) + { + #define case_stmt(N,fall_through) \ + case N : r[0] *= vec[i++]; \ + fall_through \ + + #ifndef exprtk_disable_superscalar_unroll + case_stmt(15, exprtk_fallthrough) case_stmt(14, exprtk_fallthrough) + case_stmt(13, exprtk_fallthrough) case_stmt(12, exprtk_fallthrough) + case_stmt(11, exprtk_fallthrough) case_stmt(10, exprtk_fallthrough) + case_stmt( 9, exprtk_fallthrough) case_stmt( 8, exprtk_fallthrough) + case_stmt( 7, exprtk_fallthrough) case_stmt( 6, exprtk_fallthrough) + case_stmt( 5, exprtk_fallthrough) case_stmt( 4, exprtk_fallthrough) + #endif + case_stmt( 3, exprtk_fallthrough) case_stmt( 2, exprtk_fallthrough) + case_stmt( 1, (void)0;) + } + + #undef exprtk_loop + #undef case_stmt + + return (r[ 0] * r[ 1] * r[ 2] * r[ 3]) + #ifndef exprtk_disable_superscalar_unroll + * (r[ 4] * r[ 5] * r[ 6] * r[ 7]) + * (r[ 8] * r[ 9] * r[10] * r[11]) + * (r[12] * r[13] * r[14] * r[15]) + #endif + ; + } + }; + + template + struct vec_avg_op + { + typedef vector_interface* ivector_ptr; + + static inline T process(const ivector_ptr v) + { + const T vec_size = T(v->vec()->size()); + return vec_add_op::process(v) / vec_size; + } + }; + + template + struct vec_min_op + { + typedef vector_interface* ivector_ptr; + + static inline T process(const ivector_ptr v) + { + const T* vec = v->vec()->vds().data(); + const std::size_t vec_size = v->vec()->size(); + + T result = vec[0]; + + for (std::size_t i = 1; i < vec_size; ++i) + { + const T v_i = vec[i]; + + if (v_i < result) + result = v_i; + } + + return result; + } + }; + + template + struct vec_max_op + { + typedef vector_interface* ivector_ptr; + + static inline T process(const ivector_ptr v) + { + const T* vec = v->vec()->vds().data(); + const std::size_t vec_size = v->vec()->size(); + + T result = vec[0]; + + for (std::size_t i = 1; i < vec_size; ++i) + { + const T v_i = vec[i]; + + if (v_i > result) + result = v_i; + } + + return result; + } + }; + + template + class vov_base_node : public expression_node + { + public: + + virtual ~vov_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T& v0() const = 0; + + virtual const T& v1() const = 0; + }; + + template + class cov_base_node : public expression_node + { + public: + + virtual ~cov_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T c() const = 0; + + virtual const T& v() const = 0; + }; + + template + class voc_base_node : public expression_node + { + public: + + virtual ~voc_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T c() const = 0; + + virtual const T& v() const = 0; + }; + + template + class vob_base_node : public expression_node + { + public: + + virtual ~vob_base_node() + {} + + virtual const T& v() const = 0; + }; + + template + class bov_base_node : public expression_node + { + public: + + virtual ~bov_base_node() + {} + + virtual const T& v() const = 0; + }; + + template + class cob_base_node : public expression_node + { + public: + + virtual ~cob_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T c() const = 0; + + virtual void set_c(const T) = 0; + + virtual expression_node* move_branch(const std::size_t& index) = 0; + }; + + template + class boc_base_node : public expression_node + { + public: + + virtual ~boc_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T c() const = 0; + + virtual void set_c(const T) = 0; + + virtual expression_node* move_branch(const std::size_t& index) = 0; + }; + + template + class uv_base_node : public expression_node + { + public: + + virtual ~uv_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + + virtual const T& v() const = 0; + }; + + template + class sos_base_node : public expression_node + { + public: + + virtual ~sos_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + }; + + template + class sosos_base_node : public expression_node + { + public: + + virtual ~sosos_base_node() + {} + + inline virtual operator_type operation() const + { + return details::e_default; + } + }; + + template + class T0oT1oT2_base_node : public expression_node + { + public: + + virtual ~T0oT1oT2_base_node() + {} + + virtual std::string type_id() const = 0; + }; + + template + class T0oT1oT2oT3_base_node : public expression_node + { + public: + + virtual ~T0oT1oT2oT3_base_node() + {} + + virtual std::string type_id() const = 0; + }; + + template + class unary_variable_node exprtk_final : public uv_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + + explicit unary_variable_node(const T& var) + : v_(var) + {} + + inline T value() const exprtk_override + { + return Operation::process(v_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T& v() const exprtk_override + { + return v_; + } + + private: + + unary_variable_node(const unary_variable_node&) exprtk_delete; + unary_variable_node& operator=(const unary_variable_node&) exprtk_delete; + + const T& v_; + }; + + template + class uvouv_node exprtk_final : public expression_node + { + public: + + // UOpr1(v0) Op UOpr2(v1) + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + typedef typename functor_t::ufunc_t ufunc_t; + typedef expression_node* expression_ptr; + + explicit uvouv_node(const T& var0,const T& var1, + ufunc_t uf0, ufunc_t uf1, bfunc_t bf) + : v0_(var0) + , v1_(var1) + , u0_(uf0 ) + , u1_(uf1 ) + , f_ (bf ) + {} + + inline T value() const exprtk_override + { + return f_(u0_(v0_),u1_(v1_)); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_uvouv; + } + + inline const T& v0() + { + return v0_; + } + + inline const T& v1() + { + return v1_; + } + + inline ufunc_t u0() + { + return u0_; + } + + inline ufunc_t u1() + { + return u1_; + } + + inline ufunc_t f() + { + return f_; + } + + private: + + uvouv_node(const uvouv_node&) exprtk_delete; + uvouv_node& operator=(const uvouv_node&) exprtk_delete; + + const T& v0_; + const T& v1_; + const ufunc_t u0_; + const ufunc_t u1_; + const bfunc_t f_; + }; + + template + class unary_branch_node exprtk_final : public expression_node + { + public: + + typedef Operation operation_t; + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + + explicit unary_branch_node(expression_ptr branch) + { + construct_branch_pair(branch_, branch); + } + + inline T value() const exprtk_override + { + return Operation::process(branch_.first->value()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline operator_type operation() + { + return Operation::operation(); + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + inline void release() + { + branch_.second = false; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + unary_branch_node(const unary_branch_node&) exprtk_delete; + unary_branch_node& operator=(const unary_branch_node&) exprtk_delete; + + branch_t branch_; + }; + + template struct is_const { enum {result = 0}; }; + template struct is_const { enum {result = 1}; }; + template struct is_const_ref { enum {result = 0}; }; + template struct is_const_ref { enum {result = 1}; }; + template struct is_ref { enum {result = 0}; }; + template struct is_ref { enum {result = 1}; }; + template struct is_ref { enum {result = 0}; }; + + template + struct param_to_str { static std::string result() { static const std::string r("v"); return r; } }; + + template <> + struct param_to_str<0> { static std::string result() { static const std::string r("c"); return r; } }; + + #define exprtk_crtype(Type) \ + param_to_str::result>::result() \ + + template + struct T0oT1oT2process + { + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + + struct mode0 + { + static inline T process(const T& t0, const T& t1, const T& t2, const bfunc_t bf0, const bfunc_t bf1) + { + // (T0 o0 T1) o1 T2 + return bf1(bf0(t0,t1),t2); + } + + template + static inline std::string id() + { + static const std::string result = "(" + exprtk_crtype(T0) + "o" + + exprtk_crtype(T1) + ")o(" + + exprtk_crtype(T2) + ")" ; + return result; + } + }; + + struct mode1 + { + static inline T process(const T& t0, const T& t1, const T& t2, const bfunc_t bf0, const bfunc_t bf1) + { + // T0 o0 (T1 o1 T2) + return bf0(t0,bf1(t1,t2)); + } + + template + static inline std::string id() + { + static const std::string result = "(" + exprtk_crtype(T0) + ")o(" + + exprtk_crtype(T1) + "o" + + exprtk_crtype(T2) + ")" ; + return result; + } + }; + }; + + template + struct T0oT1oT20T3process + { + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + + struct mode0 + { + static inline T process(const T& t0, const T& t1, + const T& t2, const T& t3, + const bfunc_t bf0, const bfunc_t bf1, const bfunc_t bf2) + { + // (T0 o0 T1) o1 (T2 o2 T3) + return bf1(bf0(t0,t1),bf2(t2,t3)); + } + + template + static inline std::string id() + { + static const std::string result = "(" + exprtk_crtype(T0) + "o" + + exprtk_crtype(T1) + ")o" + + "(" + exprtk_crtype(T2) + "o" + + exprtk_crtype(T3) + ")" ; + return result; + } + }; + + struct mode1 + { + static inline T process(const T& t0, const T& t1, + const T& t2, const T& t3, + const bfunc_t bf0, const bfunc_t bf1, const bfunc_t bf2) + { + // (T0 o0 (T1 o1 (T2 o2 T3)) + return bf0(t0,bf1(t1,bf2(t2,t3))); + } + template + static inline std::string id() + { + static const std::string result = "(" + exprtk_crtype(T0) + ")o((" + + exprtk_crtype(T1) + ")o(" + + exprtk_crtype(T2) + "o" + + exprtk_crtype(T3) + "))" ; + return result; + } + }; + + struct mode2 + { + static inline T process(const T& t0, const T& t1, + const T& t2, const T& t3, + const bfunc_t bf0, const bfunc_t bf1, const bfunc_t bf2) + { + // (T0 o0 ((T1 o1 T2) o2 T3) + return bf0(t0,bf2(bf1(t1,t2),t3)); + } + + template + static inline std::string id() + { + static const std::string result = "(" + exprtk_crtype(T0) + ")o((" + + exprtk_crtype(T1) + "o" + + exprtk_crtype(T2) + ")o(" + + exprtk_crtype(T3) + "))" ; + return result; + } + }; + + struct mode3 + { + static inline T process(const T& t0, const T& t1, + const T& t2, const T& t3, + const bfunc_t bf0, const bfunc_t bf1, const bfunc_t bf2) + { + // (((T0 o0 T1) o1 T2) o2 T3) + return bf2(bf1(bf0(t0,t1),t2),t3); + } + + template + static inline std::string id() + { + static const std::string result = "((" + exprtk_crtype(T0) + "o" + + exprtk_crtype(T1) + ")o(" + + exprtk_crtype(T2) + "))o(" + + exprtk_crtype(T3) + ")"; + return result; + } + }; + + struct mode4 + { + static inline T process(const T& t0, const T& t1, + const T& t2, const T& t3, + const bfunc_t bf0, const bfunc_t bf1, const bfunc_t bf2) + { + // ((T0 o0 (T1 o1 T2)) o2 T3 + return bf2(bf0(t0,bf1(t1,t2)),t3); + } + + template + static inline std::string id() + { + static const std::string result = "((" + exprtk_crtype(T0) + ")o(" + + exprtk_crtype(T1) + "o" + + exprtk_crtype(T2) + "))o(" + + exprtk_crtype(T3) + ")" ; + return result; + } + }; + }; + + #undef exprtk_crtype + + template + struct nodetype_T0oT1 { static const typename expression_node::node_type result; }; + template + const typename expression_node::node_type nodetype_T0oT1::result = expression_node::e_none; + + #define synthesis_node_type_define(T0_, T1_, v_) \ + template \ + struct nodetype_T0oT1 { static const typename expression_node::node_type result; }; \ + template \ + const typename expression_node::node_type nodetype_T0oT1::result = expression_node:: v_; \ + + synthesis_node_type_define(const T0&, const T1&, e_vov) + synthesis_node_type_define(const T0&, const T1 , e_voc) + synthesis_node_type_define(const T0 , const T1&, e_cov) + synthesis_node_type_define( T0&, T1&, e_none) + synthesis_node_type_define(const T0 , const T1 , e_none) + synthesis_node_type_define( T0&, const T1 , e_none) + synthesis_node_type_define(const T0 , T1&, e_none) + synthesis_node_type_define(const T0&, T1&, e_none) + synthesis_node_type_define( T0&, const T1&, e_none) + #undef synthesis_node_type_define + + template + struct nodetype_T0oT1oT2 { static const typename expression_node::node_type result; }; + template + const typename expression_node::node_type nodetype_T0oT1oT2::result = expression_node::e_none; + + #define synthesis_node_type_define(T0_, T1_, T2_, v_) \ + template \ + struct nodetype_T0oT1oT2 { static const typename expression_node::node_type result; }; \ + template \ + const typename expression_node::node_type nodetype_T0oT1oT2::result = expression_node:: v_; \ + + synthesis_node_type_define(const T0&, const T1&, const T2&, e_vovov) + synthesis_node_type_define(const T0&, const T1&, const T2 , e_vovoc) + synthesis_node_type_define(const T0&, const T1 , const T2&, e_vocov) + synthesis_node_type_define(const T0 , const T1&, const T2&, e_covov) + synthesis_node_type_define(const T0 , const T1&, const T2 , e_covoc) + synthesis_node_type_define(const T0 , const T1 , const T2 , e_none ) + synthesis_node_type_define(const T0 , const T1 , const T2&, e_none ) + synthesis_node_type_define(const T0&, const T1 , const T2 , e_none ) + synthesis_node_type_define( T0&, T1&, T2&, e_none ) + #undef synthesis_node_type_define + + template + struct nodetype_T0oT1oT2oT3 { static const typename expression_node::node_type result; }; + template + const typename expression_node::node_type nodetype_T0oT1oT2oT3::result = expression_node::e_none; + + #define synthesis_node_type_define(T0_, T1_, T2_, T3_, v_) \ + template \ + struct nodetype_T0oT1oT2oT3 { static const typename expression_node::node_type result; }; \ + template \ + const typename expression_node::node_type nodetype_T0oT1oT2oT3::result = expression_node:: v_; \ + + synthesis_node_type_define(const T0&, const T1&, const T2&, const T3&, e_vovovov) + synthesis_node_type_define(const T0&, const T1&, const T2&, const T3 , e_vovovoc) + synthesis_node_type_define(const T0&, const T1&, const T2 , const T3&, e_vovocov) + synthesis_node_type_define(const T0&, const T1 , const T2&, const T3&, e_vocovov) + synthesis_node_type_define(const T0 , const T1&, const T2&, const T3&, e_covovov) + synthesis_node_type_define(const T0 , const T1&, const T2 , const T3&, e_covocov) + synthesis_node_type_define(const T0&, const T1 , const T2&, const T3 , e_vocovoc) + synthesis_node_type_define(const T0 , const T1&, const T2&, const T3 , e_covovoc) + synthesis_node_type_define(const T0&, const T1 , const T2 , const T3&, e_vococov) + synthesis_node_type_define(const T0 , const T1 , const T2 , const T3 , e_none ) + synthesis_node_type_define(const T0 , const T1 , const T2 , const T3&, e_none ) + synthesis_node_type_define(const T0 , const T1 , const T2&, const T3 , e_none ) + synthesis_node_type_define(const T0 , const T1&, const T2 , const T3 , e_none ) + synthesis_node_type_define(const T0&, const T1 , const T2 , const T3 , e_none ) + synthesis_node_type_define(const T0 , const T1 , const T2&, const T3&, e_none ) + synthesis_node_type_define(const T0&, const T1&, const T2 , const T3 , e_none ) + #undef synthesis_node_type_define + + template + class T0oT1 exprtk_final : public expression_node + { + public: + + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + typedef T value_type; + typedef T0oT1 node_type; + + T0oT1(T0 p0, T1 p1, const bfunc_t p2) + : t0_(p0) + , t1_(p1) + , f_ (p2) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1::result; + return result; + } + + inline operator_type operation() const exprtk_override + { + return e_default; + } + + inline T value() const exprtk_override + { + return f_(t0_,t1_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline bfunc_t f() const + { + return f_; + } + + template + static inline expression_node* allocate(Allocator& allocator, + T0 p0, T1 p1, + bfunc_t p2) + { + return allocator + .template allocate_type + (p0, p1, p2); + } + + private: + + T0oT1(const T0oT1&) exprtk_delete; + T0oT1& operator=(const T0oT1&) { return (*this); } + + T0 t0_; + T1 t1_; + const bfunc_t f_; + }; + + template + class T0oT1oT2 exprtk_final : public T0oT1oT2_base_node + { + public: + + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + typedef T value_type; + typedef T0oT1oT2 node_type; + typedef ProcessMode process_mode_t; + + T0oT1oT2(T0 p0, T1 p1, T2 p2, const bfunc_t p3, const bfunc_t p4) + : t0_(p0) + , t1_(p1) + , t2_(p2) + , f0_(p3) + , f1_(p4) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1oT2::result; + return result; + } + + inline operator_type operation() + { + return e_default; + } + + inline T value() const exprtk_override + { + return ProcessMode::process(t0_, t1_, t2_, f0_, f1_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline T2 t2() const + { + return t2_; + } + + bfunc_t f0() const + { + return f0_; + } + + bfunc_t f1() const + { + return f1_; + } + + std::string type_id() const exprtk_override + { + return id(); + } + + static inline std::string id() + { + return process_mode_t::template id(); + } + + template + static inline expression_node* allocate(Allocator& allocator, T0 p0, T1 p1, T2 p2, bfunc_t p3, bfunc_t p4) + { + return allocator + .template allocate_type + (p0, p1, p2, p3, p4); + } + + private: + + T0oT1oT2(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + const bfunc_t f0_; + const bfunc_t f1_; + }; + + template + class T0oT1oT2oT3 exprtk_final : public T0oT1oT2oT3_base_node + { + public: + + typedef typename details::functor_t functor_t; + typedef typename functor_t::bfunc_t bfunc_t; + typedef T value_type; + typedef T0_ T0; + typedef T1_ T1; + typedef T2_ T2; + typedef T3_ T3; + typedef T0oT1oT2oT3 node_type; + typedef ProcessMode process_mode_t; + + T0oT1oT2oT3(T0 p0, T1 p1, T2 p2, T3 p3, bfunc_t p4, bfunc_t p5, bfunc_t p6) + : t0_(p0) + , t1_(p1) + , t2_(p2) + , t3_(p3) + , f0_(p4) + , f1_(p5) + , f2_(p6) + {} + + inline T value() const exprtk_override + { + return ProcessMode::process(t0_, t1_, t2_, t3_, f0_, f1_, f2_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline T2 t2() const + { + return t2_; + } + + inline T3 t3() const + { + return t3_; + } + + inline bfunc_t f0() const + { + return f0_; + } + + inline bfunc_t f1() const + { + return f1_; + } + + inline bfunc_t f2() const + { + return f2_; + } + + inline std::string type_id() const exprtk_override + { + return id(); + } + + static inline std::string id() + { + return process_mode_t::template id(); + } + + template + static inline expression_node* allocate(Allocator& allocator, + T0 p0, T1 p1, T2 p2, T3 p3, + bfunc_t p4, bfunc_t p5, bfunc_t p6) + { + return allocator + .template allocate_type + (p0, p1, p2, p3, p4, p5, p6); + } + + private: + + T0oT1oT2oT3(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + T3 t3_; + const bfunc_t f0_; + const bfunc_t f1_; + const bfunc_t f2_; + }; + + template + class T0oT1oT2_sf3 exprtk_final : public T0oT1oT2_base_node + { + public: + + typedef typename details::functor_t functor_t; + typedef typename functor_t::tfunc_t tfunc_t; + typedef T value_type; + typedef T0oT1oT2_sf3 node_type; + + T0oT1oT2_sf3(T0 p0, T1 p1, T2 p2, const tfunc_t p3) + : t0_(p0) + , t1_(p1) + , t2_(p2) + , f_ (p3) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1oT2::result; + return result; + } + + inline operator_type operation() const exprtk_override + { + return e_default; + } + + inline T value() const exprtk_override + { + return f_(t0_, t1_, t2_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline T2 t2() const + { + return t2_; + } + + tfunc_t f() const + { + return f_; + } + + std::string type_id() const + { + return id(); + } + + static inline std::string id() + { + return "sf3"; + } + + template + static inline expression_node* allocate(Allocator& allocator, T0 p0, T1 p1, T2 p2, tfunc_t p3) + { + return allocator + .template allocate_type + (p0, p1, p2, p3); + } + + private: + + T0oT1oT2_sf3(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + const tfunc_t f_; + }; + + template + class sf3ext_type_node : public T0oT1oT2_base_node + { + public: + + virtual ~sf3ext_type_node() + {} + + virtual T0 t0() const = 0; + + virtual T1 t1() const = 0; + + virtual T2 t2() const = 0; + }; + + template + class T0oT1oT2_sf3ext exprtk_final : public sf3ext_type_node + { + public: + + typedef T value_type; + typedef T0oT1oT2_sf3ext node_type; + + T0oT1oT2_sf3ext(T0 p0, T1 p1, T2 p2) + : t0_(p0) + , t1_(p1) + , t2_(p2) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1oT2::result; + return result; + } + + inline operator_type operation() + { + return e_default; + } + + inline T value() const exprtk_override + { + return SF3Operation::process(t0_, t1_, t2_); + } + + T0 t0() const exprtk_override + { + return t0_; + } + + T1 t1() const exprtk_override + { + return t1_; + } + + T2 t2() const exprtk_override + { + return t2_; + } + + std::string type_id() const exprtk_override + { + return id(); + } + + static inline std::string id() + { + return SF3Operation::id(); + } + + template + static inline expression_node* allocate(Allocator& allocator, T0 p0, T1 p1, T2 p2) + { + return allocator + .template allocate_type + (p0, p1, p2); + } + + private: + + T0oT1oT2_sf3ext(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + }; + + template + inline bool is_sf3ext_node(const expression_node* n) + { + switch (n->type()) + { + case expression_node::e_vovov : return true; + case expression_node::e_vovoc : return true; + case expression_node::e_vocov : return true; + case expression_node::e_covov : return true; + case expression_node::e_covoc : return true; + default : return false; + } + } + + template + class T0oT1oT2oT3_sf4 exprtk_final : public T0oT1oT2_base_node + { + public: + + typedef typename details::functor_t functor_t; + typedef typename functor_t::qfunc_t qfunc_t; + typedef T value_type; + typedef T0oT1oT2oT3_sf4 node_type; + + T0oT1oT2oT3_sf4(T0 p0, T1 p1, T2 p2, T3 p3, const qfunc_t p4) + : t0_(p0) + , t1_(p1) + , t2_(p2) + , t3_(p3) + , f_ (p4) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1oT2oT3::result; + return result; + } + + inline operator_type operation() const exprtk_override + { + return e_default; + } + + inline T value() const exprtk_override + { + return f_(t0_, t1_, t2_, t3_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline T2 t2() const + { + return t2_; + } + + inline T3 t3() const + { + return t3_; + } + + qfunc_t f() const + { + return f_; + } + + std::string type_id() const + { + return id(); + } + + static inline std::string id() + { + return "sf4"; + } + + template + static inline expression_node* allocate(Allocator& allocator, T0 p0, T1 p1, T2 p2, T3 p3, qfunc_t p4) + { + return allocator + .template allocate_type + (p0, p1, p2, p3, p4); + } + + private: + + T0oT1oT2oT3_sf4(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + T3 t3_; + const qfunc_t f_; + }; + + template + class T0oT1oT2oT3_sf4ext exprtk_final : public T0oT1oT2oT3_base_node + { + public: + + typedef T value_type; + typedef T0oT1oT2oT3_sf4ext node_type; + + T0oT1oT2oT3_sf4ext(T0 p0, T1 p1, T2 p2, T3 p3) + : t0_(p0) + , t1_(p1) + , t2_(p2) + , t3_(p3) + {} + + inline typename expression_node::node_type type() const exprtk_override + { + static const typename expression_node::node_type result = nodetype_T0oT1oT2oT3::result; + return result; + } + + inline T value() const exprtk_override + { + return SF4Operation::process(t0_, t1_, t2_, t3_); + } + + inline T0 t0() const + { + return t0_; + } + + inline T1 t1() const + { + return t1_; + } + + inline T2 t2() const + { + return t2_; + } + + inline T3 t3() const + { + return t3_; + } + + std::string type_id() const exprtk_override + { + return id(); + } + + static inline std::string id() + { + return SF4Operation::id(); + } + + template + static inline expression_node* allocate(Allocator& allocator, T0 p0, T1 p1, T2 p2, T3 p3) + { + return allocator + .template allocate_type + (p0, p1, p2, p3); + } + + private: + + T0oT1oT2oT3_sf4ext(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + + T0 t0_; + T1 t1_; + T2 t2_; + T3 t3_; + }; + + template + inline bool is_sf4ext_node(const expression_node* n) + { + switch (n->type()) + { + case expression_node::e_vovovov : return true; + case expression_node::e_vovovoc : return true; + case expression_node::e_vovocov : return true; + case expression_node::e_vocovov : return true; + case expression_node::e_covovov : return true; + case expression_node::e_covocov : return true; + case expression_node::e_vocovoc : return true; + case expression_node::e_covovoc : return true; + case expression_node::e_vococov : return true; + default : return false; + } + } + + template + struct T0oT1_define + { + typedef details::T0oT1 type0; + }; + + template + struct T0oT1oT2_define + { + typedef details::T0oT1oT2::mode0> type0; + typedef details::T0oT1oT2::mode1> type1; + typedef details::T0oT1oT2_sf3 sf3_type; + typedef details::sf3ext_type_node sf3_type_node; + }; + + template + struct T0oT1oT2oT3_define + { + typedef details::T0oT1oT2oT3::mode0> type0; + typedef details::T0oT1oT2oT3::mode1> type1; + typedef details::T0oT1oT2oT3::mode2> type2; + typedef details::T0oT1oT2oT3::mode3> type3; + typedef details::T0oT1oT2oT3::mode4> type4; + typedef details::T0oT1oT2oT3_sf4 sf4_type; + }; + + template + class vov_node exprtk_final : public vov_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + + // variable op variable node + explicit vov_node(const T& var0, const T& var1) + : v0_(var0) + , v1_(var1) + {} + + inline T value() const exprtk_override + { + return Operation::process(v0_,v1_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T& v0() const exprtk_override + { + return v0_; + } + + inline const T& v1() const exprtk_override + { + return v1_; + } + + protected: + + const T& v0_; + const T& v1_; + + private: + + vov_node(const vov_node&) exprtk_delete; + vov_node& operator=(const vov_node&) exprtk_delete; + }; + + template + class cov_node exprtk_final : public cov_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + + // constant op variable node + explicit cov_node(const T& const_var, const T& var) + : c_(const_var) + , v_(var) + {} + + inline T value() const exprtk_override + { + return Operation::process(c_,v_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T c() const exprtk_override + { + return c_; + } + + inline const T& v() const exprtk_override + { + return v_; + } + + protected: + + const T c_; + const T& v_; + + private: + + cov_node(const cov_node&) exprtk_delete; + cov_node& operator=(const cov_node&) exprtk_delete; + }; + + template + class voc_node exprtk_final : public voc_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + + // variable op constant node + explicit voc_node(const T& var, const T& const_var) + : v_(var) + , c_(const_var) + {} + + inline T value() const exprtk_override + { + return Operation::process(v_,c_); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T c() const exprtk_override + { + return c_; + } + + inline const T& v() const exprtk_override + { + return v_; + } + + protected: + + const T& v_; + const T c_; + + private: + + voc_node(const voc_node&) exprtk_delete; + voc_node& operator=(const voc_node&) exprtk_delete; + }; + + template + class vob_node exprtk_final : public vob_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef Operation operation_t; + + // variable op binary node + explicit vob_node(const T& var, const expression_ptr branch) + : v_(var) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return Operation::process(v_,branch_.first->value()); + } + + inline const T& v() const exprtk_override + { + return v_; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + vob_node(const vob_node&) exprtk_delete; + vob_node& operator=(const vob_node&) exprtk_delete; + + const T& v_; + branch_t branch_; + }; + + template + class bov_node exprtk_final : public bov_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef Operation operation_t; + + // binary node op variable node + explicit bov_node(const expression_ptr branch, const T& var) + : v_(var) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return Operation::process(branch_.first->value(),v_); + } + + inline const T& v() const exprtk_override + { + return v_; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + bov_node(const bov_node&) exprtk_delete; + bov_node& operator=(const bov_node&) exprtk_delete; + + const T& v_; + branch_t branch_; + }; + + template + class cob_node exprtk_final : public cob_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef Operation operation_t; + + // constant op variable node + explicit cob_node(const T const_var, const expression_ptr branch) + : c_(const_var) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return Operation::process(c_,branch_.first->value()); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T c() const exprtk_override + { + return c_; + } + + inline void set_c(const T new_c) exprtk_override + { + (*const_cast(&c_)) = new_c; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + inline expression_node* move_branch(const std::size_t&) exprtk_override + { + branch_.second = false; + return branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + cob_node(const cob_node&) exprtk_delete; + cob_node& operator=(const cob_node&) exprtk_delete; + + const T c_; + branch_t branch_; + }; + + template + class boc_node exprtk_final : public boc_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef Operation operation_t; + + // binary node op constant node + explicit boc_node(const expression_ptr branch, const T const_var) + : c_(const_var) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return Operation::process(branch_.first->value(),c_); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline const T c() const exprtk_override + { + return c_; + } + + inline void set_c(const T new_c) exprtk_override + { + (*const_cast(&c_)) = new_c; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + inline expression_node* branch(const std::size_t&) const exprtk_override + { + return branch_.first; + } + + inline expression_node* move_branch(const std::size_t&) exprtk_override + { + branch_.second = false; + return branch_.first; + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + boc_node(const boc_node&) exprtk_delete; + boc_node& operator=(const boc_node&) exprtk_delete; + + const T c_; + branch_t branch_; + }; + + #ifndef exprtk_disable_string_capabilities + template + class sos_node exprtk_final : public sos_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + + // string op string node + explicit sos_node(SType0 p0, SType1 p1) + : s0_(p0) + , s1_(p1) + {} + + inline T value() const exprtk_override + { + return Operation::process(s0_,s1_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline std::string& s0() + { + return s0_; + } + + inline std::string& s1() + { + return s1_; + } + + protected: + + SType0 s0_; + SType1 s1_; + + private: + + sos_node(const sos_node&) exprtk_delete; + sos_node& operator=(const sos_node&) exprtk_delete; + }; + + template + class str_xrox_node exprtk_final : public sos_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + typedef str_xrox_node node_type; + + // string-range op string node + explicit str_xrox_node(SType0 p0, SType1 p1, RangePack rp0) + : s0_ (p0 ) + , s1_ (p1 ) + , rp0_(rp0) + {} + + ~str_xrox_node() exprtk_override + { + rp0_.free(); + } + + inline T value() const exprtk_override + { + std::size_t r0 = 0; + std::size_t r1 = 0; + + if (rp0_(r0, r1, s0_.size())) + return Operation::process(s0_.substr(r0, (r1 - r0) + 1), s1_); + else + return T(0); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline std::string& s0() + { + return s0_; + } + + inline std::string& s1() + { + return s1_; + } + + protected: + + SType0 s0_; + SType1 s1_; + RangePack rp0_; + + private: + + str_xrox_node(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + }; + + template + class str_xoxr_node exprtk_final : public sos_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + typedef str_xoxr_node node_type; + + // string op string range node + explicit str_xoxr_node(SType0 p0, SType1 p1, RangePack rp1) + : s0_ (p0 ) + , s1_ (p1 ) + , rp1_(rp1) + {} + + ~str_xoxr_node() + { + rp1_.free(); + } + + inline T value() const exprtk_override + { + std::size_t r0 = 0; + std::size_t r1 = 0; + + if (rp1_(r0, r1, s1_.size())) + { + return Operation::process + ( + s0_, + s1_.substr(r0, (r1 - r0) + 1) + ); + } + else + return T(0); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline std::string& s0() + { + return s0_; + } + + inline std::string& s1() + { + return s1_; + } + + protected: + + SType0 s0_; + SType1 s1_; + RangePack rp1_; + + private: + + str_xoxr_node(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + }; + + template + class str_xroxr_node exprtk_final : public sos_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + typedef str_xroxr_node node_type; + + // string-range op string-range node + explicit str_xroxr_node(SType0 p0, SType1 p1, RangePack rp0, RangePack rp1) + : s0_ (p0 ) + , s1_ (p1 ) + , rp0_(rp0) + , rp1_(rp1) + {} + + ~str_xroxr_node() exprtk_override + { + rp0_.free(); + rp1_.free(); + } + + inline T value() const exprtk_override + { + std::size_t r0_0 = 0; + std::size_t r0_1 = 0; + std::size_t r1_0 = 0; + std::size_t r1_1 = 0; + + if ( + rp0_(r0_0, r1_0, s0_.size()) && + rp1_(r0_1, r1_1, s1_.size()) + ) + { + return Operation::process + ( + s0_.substr(r0_0, (r1_0 - r0_0) + 1), + s1_.substr(r0_1, (r1_1 - r0_1) + 1) + ); + } + else + return T(0); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline std::string& s0() + { + return s0_; + } + + inline std::string& s1() + { + return s1_; + } + + protected: + + SType0 s0_; + SType1 s1_; + RangePack rp0_; + RangePack rp1_; + + private: + + str_xroxr_node(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + }; + + template + class str_sogens_node exprtk_final : public binary_node + { + public: + + typedef expression_node * expression_ptr; + typedef string_base_node* str_base_ptr; + typedef range_pack range_t; + typedef range_t* range_ptr; + typedef range_interface irange_t; + typedef irange_t* irange_ptr; + + using binary_node::branch; + + str_sogens_node(const operator_type& opr, + expression_ptr branch0, + expression_ptr branch1) + : binary_node(opr, branch0, branch1) + , str0_base_ptr_ (0) + , str1_base_ptr_ (0) + , str0_range_ptr_(0) + , str1_range_ptr_(0) + , initialised_ (false) + { + if (is_generally_string_node(branch(0))) + { + str0_base_ptr_ = dynamic_cast(branch(0)); + + if (0 == str0_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(0)); + + if (0 == range) + return; + + str0_range_ptr_ = &(range->range_ref()); + } + + if (is_generally_string_node(branch(1))) + { + str1_base_ptr_ = dynamic_cast(branch(1)); + + if (0 == str1_base_ptr_) + return; + + irange_ptr range = dynamic_cast(branch(1)); + + if (0 == range) + return; + + str1_range_ptr_ = &(range->range_ref()); + } + + initialised_ = + str0_base_ptr_ && + str1_base_ptr_ && + str0_range_ptr_ && + str1_range_ptr_; + + assert(valid()); + } + + inline T value() const exprtk_override + { + branch(0)->value(); + branch(1)->value(); + + std::size_t str0_r0 = 0; + std::size_t str0_r1 = 0; + + std::size_t str1_r0 = 0; + std::size_t str1_r1 = 0; + + const range_t& range0 = (*str0_range_ptr_); + const range_t& range1 = (*str1_range_ptr_); + + if ( + range0(str0_r0, str0_r1, str0_base_ptr_->size()) && + range1(str1_r0, str1_r1, str1_base_ptr_->size()) + ) + { + return Operation::process + ( + str0_base_ptr_->str().substr(str0_r0,(str0_r1 - str0_r0)), + str1_base_ptr_->str().substr(str1_r0,(str1_r1 - str1_r0)) + ); + } + + return std::numeric_limits::quiet_NaN(); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline bool valid() const exprtk_override + { + return initialised_; + } + + private: + + str_sogens_node(const str_sogens_node&) exprtk_delete; + str_sogens_node& operator=(const str_sogens_node&) exprtk_delete; + + str_base_ptr str0_base_ptr_; + str_base_ptr str1_base_ptr_; + range_ptr str0_range_ptr_; + range_ptr str1_range_ptr_; + bool initialised_; + }; + + template + class sosos_node exprtk_final : public sosos_base_node + { + public: + + typedef expression_node* expression_ptr; + typedef Operation operation_t; + typedef sosos_node node_type; + + // string op string op string node + explicit sosos_node(SType0 p0, SType1 p1, SType2 p2) + : s0_(p0) + , s1_(p1) + , s2_(p2) + {} + + inline T value() const exprtk_override + { + return Operation::process(s0_, s1_, s2_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return Operation::type(); + } + + inline operator_type operation() const exprtk_override + { + return Operation::operation(); + } + + inline std::string& s0() + { + return s0_; + } + + inline std::string& s1() + { + return s1_; + } + + inline std::string& s2() + { + return s2_; + } + + protected: + + SType0 s0_; + SType1 s1_; + SType2 s2_; + + private: + + sosos_node(const node_type&) exprtk_delete; + node_type& operator=(const node_type&) exprtk_delete; + }; + #endif + + template + class ipow_node exprtk_final: public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef PowOp operation_t; + + explicit ipow_node(const T& v) + : v_(v) + {} + + inline T value() const exprtk_override + { + return PowOp::result(v_); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_ipow; + } + + private: + + ipow_node(const ipow_node&) exprtk_delete; + ipow_node& operator=(const ipow_node&) exprtk_delete; + + const T& v_; + }; + + template + class bipow_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef PowOp operation_t; + + explicit bipow_node(expression_ptr branch) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return PowOp::result(branch_.first->value()); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_ipow; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + bipow_node(const bipow_node&) exprtk_delete; + bipow_node& operator=(const bipow_node&) exprtk_delete; + + branch_t branch_; + }; + + template + class ipowinv_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef PowOp operation_t; + + explicit ipowinv_node(const T& v) + : v_(v) + {} + + inline T value() const exprtk_override + { + return (T(1) / PowOp::result(v_)); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_ipowinv; + } + + private: + + ipowinv_node(const ipowinv_node&) exprtk_delete; + ipowinv_node& operator=(const ipowinv_node&) exprtk_delete; + + const T& v_; + }; + + template + class bipowinv_node exprtk_final : public expression_node + { + public: + + typedef expression_node* expression_ptr; + typedef std::pair branch_t; + typedef PowOp operation_t; + + explicit bipowinv_node(expression_ptr branch) + { + construct_branch_pair(branch_, branch); + assert(valid()); + } + + inline T value() const exprtk_override + { + return (T(1) / PowOp::result(branch_.first->value())); + } + + inline typename expression_node::node_type type() const exprtk_override + { + return expression_node::e_ipowinv; + } + + inline bool valid() const exprtk_override + { + return branch_.first && branch_.first->valid(); + } + + void collect_nodes(typename expression_node::noderef_list_t& node_delete_list) exprtk_override + { + expression_node::ndb_t::collect(branch_, node_delete_list); + } + + std::size_t node_depth() const exprtk_override + { + return expression_node::ndb_t::compute_node_depth(branch_); + } + + private: + + bipowinv_node(const bipowinv_node&) exprtk_delete; + bipowinv_node& operator=(const bipowinv_node&) exprtk_delete; + + branch_t branch_; + }; + + template + inline bool is_vov_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_cov_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_voc_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_cob_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_boc_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_t0ot1ot2_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_t0ot1ot2ot3_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_uv_node(const expression_node* node) + { + return (0 != dynamic_cast*>(node)); + } + + template + inline bool is_string_node(const expression_node* node) + { + return node && (expression_node::e_stringvar == node->type()); + } + + template + inline bool is_string_range_node(const expression_node* node) + { + return node && (expression_node::e_stringvarrng == node->type()); + } + + template + inline bool is_const_string_node(const expression_node* node) + { + return node && (expression_node::e_stringconst == node->type()); + } + + template + inline bool is_const_string_range_node(const expression_node* node) + { + return node && (expression_node::e_cstringvarrng == node->type()); + } + + template + inline bool is_string_assignment_node(const expression_node* node) + { + return node && (expression_node::e_strass == node->type()); + } + + template + inline bool is_string_concat_node(const expression_node* node) + { + return node && (expression_node::e_strconcat == node->type()); + } + + template + inline bool is_string_function_node(const expression_node* node) + { + return node && (expression_node::e_strfunction == node->type()); + } + + template + inline bool is_string_condition_node(const expression_node* node) + { + return node && (expression_node::e_strcondition == node->type()); + } + + template + inline bool is_string_ccondition_node(const expression_node* node) + { + return node && (expression_node::e_strccondition == node->type()); + } + + template + inline bool is_string_vararg_node(const expression_node* node) + { + return node && (expression_node::e_stringvararg == node->type()); + } + + template + inline bool is_genricstring_range_node(const expression_node* node) + { + return node && (expression_node::e_strgenrange == node->type()); + } + + template + inline bool is_generally_string_node(const expression_node* node) + { + if (node) + { + switch (node->type()) + { + case expression_node::e_stringvar : + case expression_node::e_stringconst : + case expression_node::e_stringvarrng : + case expression_node::e_cstringvarrng : + case expression_node::e_strgenrange : + case expression_node::e_strass : + case expression_node::e_strconcat : + case expression_node::e_strfunction : + case expression_node::e_strcondition : + case expression_node::e_strccondition : + case expression_node::e_stringvararg : return true; + default : return false; + } + } + + return false; + } + + template + inline bool is_loop_node(const expression_node* node) + { + if (node) + { + switch (node->type()) + { + case expression_node::e_for : + case expression_node::e_repeat : + case expression_node::e_while : return true; + default : return false; + } + } + + return false; + } + + template + inline bool is_block_node(const expression_node* node) + { + if (node) + { + if (is_loop_node(node)) + { + return true; + } + + switch (node->type()) + { + case expression_node::e_conditional : + case expression_node::e_mswitch : + case expression_node::e_switch : + case expression_node::e_vararg : return true; + default : return false; + } + } + + return false; + } + + class node_allocator + { + public: + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[1]) + { + expression_node* result = + allocate(operation, branch[0]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[2]) + { + expression_node* result = + allocate(operation, branch[0], branch[1]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[3]) + { + expression_node* result = + allocate(operation, branch[0], branch[1], branch[2]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[4]) + { + expression_node* result = + allocate(operation, branch[0], branch[1], branch[2], branch[3]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[5]) + { + expression_node* result = + allocate(operation, branch[0],branch[1], branch[2], branch[3], branch[4]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(OpType& operation, ExprNode (&branch)[6]) + { + expression_node* result = + allocate(operation, branch[0], branch[1], branch[2], branch[3], branch[4], branch[5]); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate() const + { + return (new node_type()); + } + + template class Sequence> + inline expression_node* allocate(const Sequence& seq) const + { + expression_node* + result = (new node_type(seq)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(T1& t1) const + { + expression_node* + result = (new node_type(t1)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_c(const T1& t1) const + { + expression_node* + result = (new node_type(t1)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2) const + { + expression_node* + result = (new node_type(t1, t2)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_cr(const T1& t1, T2& t2) const + { + expression_node* + result = (new node_type(t1, t2)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_rc(T1& t1, const T2& t2) const + { + expression_node* + result = (new node_type(t1, t2)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_rr(T1& t1, T2& t2) const + { + expression_node* + result = (new node_type(t1, t2)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_tt(T1 t1, T2 t2) const + { + expression_node* + result = (new node_type(t1, t2)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_ttt(T1 t1, T2 t2, T3 t3) const + { + expression_node* + result = (new node_type(t1, t2, t3)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_tttt(T1 t1, T2 t2, T3 t3, T4 t4) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_rrr(T1& t1, T2& t2, T3& t3) const + { + expression_node* + result = (new node_type(t1, t2, t3)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_rrrr(T1& t1, T2& t2, T3& t3, T4& t4) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_rrrrr(T1& t1, T2& t2, T3& t3, T4& t4, T5& t5) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3) const + { + expression_node* + result = (new node_type(t1, t2, t3)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5, const T6& t6) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5, const T6& t6, + const T7& t7) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6, t7)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5, const T6& t6, + const T7& t7, const T8& t8) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6, t7, t8)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5, const T6& t6, + const T7& t7, const T8& t8, + const T9& t9) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6, t7, t8, t9)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate(const T1& t1, const T2& t2, + const T3& t3, const T4& t4, + const T5& t5, const T6& t6, + const T7& t7, const T8& t8, + const T9& t9, const T10& t10) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_type(T1 t1, T2 t2, T3 t3) const + { + expression_node* + result = (new node_type(t1, t2, t3)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_type(T1 t1, T2 t2, + T3 t3, T4 t4) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_type(T1 t1, T2 t2, + T3 t3, T4 t4, + T5 t5) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_type(T1 t1, T2 t2, + T3 t3, T4 t4, + T5 t5, T6 t6) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6)); + result->node_depth(); + return result; + } + + template + inline expression_node* allocate_type(T1 t1, T2 t2, + T3 t3, T4 t4, + T5 t5, T6 t6, + T7 t7) const + { + expression_node* + result = (new node_type(t1, t2, t3, t4, t5, t6, t7)); + result->node_depth(); + return result; + } + + template + void inline free(expression_node*& e) const + { + exprtk_debug(("node_allocator::free() - deleting expression_node " + "type: %03d addr: %p\n", + static_cast(e->type()), + reinterpret_cast(e))); + delete e; + e = 0; + } + }; + + inline void load_operations_map(std::multimap& m) + { + #define register_op(Symbol, Type, Args) \ + m.insert(std::make_pair(std::string(Symbol),details::base_operation_t(Type,Args))); \ + + register_op("abs" , e_abs , 1) + register_op("acos" , e_acos , 1) + register_op("acosh" , e_acosh , 1) + register_op("asin" , e_asin , 1) + register_op("asinh" , e_asinh , 1) + register_op("atan" , e_atan , 1) + register_op("atanh" , e_atanh , 1) + register_op("ceil" , e_ceil , 1) + register_op("cos" , e_cos , 1) + register_op("cosh" , e_cosh , 1) + register_op("exp" , e_exp , 1) + register_op("expm1" , e_expm1 , 1) + register_op("floor" , e_floor , 1) + register_op("log" , e_log , 1) + register_op("log10" , e_log10 , 1) + register_op("log2" , e_log2 , 1) + register_op("log1p" , e_log1p , 1) + register_op("round" , e_round , 1) + register_op("sin" , e_sin , 1) + register_op("sinc" , e_sinc , 1) + register_op("sinh" , e_sinh , 1) + register_op("sec" , e_sec , 1) + register_op("csc" , e_csc , 1) + register_op("sqrt" , e_sqrt , 1) + register_op("tan" , e_tan , 1) + register_op("tanh" , e_tanh , 1) + register_op("cot" , e_cot , 1) + register_op("rad2deg" , e_r2d , 1) + register_op("deg2rad" , e_d2r , 1) + register_op("deg2grad" , e_d2g , 1) + register_op("grad2deg" , e_g2d , 1) + register_op("sgn" , e_sgn , 1) + register_op("not" , e_notl , 1) + register_op("erf" , e_erf , 1) + register_op("erfc" , e_erfc , 1) + register_op("ncdf" , e_ncdf , 1) + register_op("frac" , e_frac , 1) + register_op("trunc" , e_trunc , 1) + register_op("atan2" , e_atan2 , 2) + register_op("mod" , e_mod , 2) + register_op("logn" , e_logn , 2) + register_op("pow" , e_pow , 2) + register_op("root" , e_root , 2) + register_op("roundn" , e_roundn , 2) + register_op("equal" , e_equal , 2) + register_op("not_equal" , e_nequal , 2) + register_op("hypot" , e_hypot , 2) + register_op("shr" , e_shr , 2) + register_op("shl" , e_shl , 2) + register_op("clamp" , e_clamp , 3) + register_op("iclamp" , e_iclamp , 3) + register_op("inrange" , e_inrange , 3) + #undef register_op + } + + } // namespace details + + class function_traits + { + public: + + function_traits() + : allow_zero_parameters_(false) + , has_side_effects_(true) + , min_num_args_(0) + , max_num_args_(std::numeric_limits::max()) + {} + + inline bool& allow_zero_parameters() + { + return allow_zero_parameters_; + } + + inline bool& has_side_effects() + { + return has_side_effects_; + } + + std::size_t& min_num_args() + { + return min_num_args_; + } + + std::size_t& max_num_args() + { + return max_num_args_; + } + + private: + + bool allow_zero_parameters_; + bool has_side_effects_; + std::size_t min_num_args_; + std::size_t max_num_args_; + }; + + template + void enable_zero_parameters(FunctionType& func) + { + func.allow_zero_parameters() = true; + + if (0 != func.min_num_args()) + { + func.min_num_args() = 0; + } + } + + template + void disable_zero_parameters(FunctionType& func) + { + func.allow_zero_parameters() = false; + } + + template + void enable_has_side_effects(FunctionType& func) + { + func.has_side_effects() = true; + } + + template + void disable_has_side_effects(FunctionType& func) + { + func.has_side_effects() = false; + } + + template + void set_min_num_args(FunctionType& func, const std::size_t& num_args) + { + func.min_num_args() = num_args; + + if ((0 != func.min_num_args()) && func.allow_zero_parameters()) + func.allow_zero_parameters() = false; + } + + template + void set_max_num_args(FunctionType& func, const std::size_t& num_args) + { + func.max_num_args() = num_args; + } + + template + class ifunction : public function_traits + { + public: + + explicit ifunction(const std::size_t& pc) + : param_count(pc) + {} + + virtual ~ifunction() + {} + + #define empty_method_body(N) \ + { \ + exprtk_debug(("ifunction::operator() - Operator(" #N ") has not been overridden\n")); \ + return std::numeric_limits::quiet_NaN(); \ + } \ + + inline virtual T operator() () + empty_method_body(0) + + inline virtual T operator() (const T&) + empty_method_body(1) + + inline virtual T operator() (const T&,const T&) + empty_method_body(2) + + inline virtual T operator() (const T&, const T&, const T&) + empty_method_body(3) + + inline virtual T operator() (const T&, const T&, const T&, const T&) + empty_method_body(4) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&) + empty_method_body(5) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(6) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(7) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(8) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(9) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(10) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&) + empty_method_body(11) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&) + empty_method_body(12) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&) + empty_method_body(13) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&) + empty_method_body(14) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&) + empty_method_body(15) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(16) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(17) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(18) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(19) + + inline virtual T operator() (const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, + const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&, const T&) + empty_method_body(20) + + #undef empty_method_body + + std::size_t param_count; + }; + + template + class ivararg_function : public function_traits + { + public: + + virtual ~ivararg_function() + {} + + inline virtual T operator() (const std::vector&) + { + exprtk_debug(("ivararg_function::operator() - Operator has not been overridden\n")); + return std::numeric_limits::quiet_NaN(); + } + }; + + template + class igeneric_function : public function_traits + { + public: + + enum return_type + { + e_rtrn_scalar = 0, + e_rtrn_string = 1, + e_rtrn_overload = 2 + }; + + typedef T type; + typedef type_store generic_type; + typedef typename generic_type::parameter_list parameter_list_t; + + explicit igeneric_function(const std::string& param_seq = "", const return_type rtr_type = e_rtrn_scalar) + : parameter_sequence(param_seq) + , rtrn_type(rtr_type) + {} + + virtual ~igeneric_function() + {} + + #define igeneric_function_empty_body(N) \ + { \ + exprtk_debug(("igeneric_function::operator() - Operator(" #N ") has not been overridden\n")); \ + return std::numeric_limits::quiet_NaN(); \ + } \ + + // f(i_0,i_1,....,i_N) --> Scalar + inline virtual T operator() (parameter_list_t) + igeneric_function_empty_body(1) + + // f(i_0,i_1,....,i_N) --> String + inline virtual T operator() (std::string&, parameter_list_t) + igeneric_function_empty_body(2) + + // f(psi,i_0,i_1,....,i_N) --> Scalar + inline virtual T operator() (const std::size_t&, parameter_list_t) + igeneric_function_empty_body(3) + + // f(psi,i_0,i_1,....,i_N) --> String + inline virtual T operator() (const std::size_t&, std::string&, parameter_list_t) + igeneric_function_empty_body(4) + + #undef igeneric_function_empty_body + + std::string parameter_sequence; + return_type rtrn_type; + }; + + #ifndef exprtk_disable_string_capabilities + template + class stringvar_base + { + public: + + typedef typename details::stringvar_node stringvar_node_t; + + stringvar_base(const std::string& name, stringvar_node_t* svn) + : name_(name) + , string_varnode_(svn) + {} + + bool valid() const + { + return !name_.empty() && (0 != string_varnode_); + } + + std::string name() const + { + assert(string_varnode_); + return name_; + } + + void rebase(std::string& s) + { + assert(string_varnode_); + string_varnode_->rebase(s); + } + + private: + + std::string name_; + stringvar_node_t* string_varnode_; + }; + #endif + + template class parser; + template class expression_helper; + + template + class symbol_table + { + public: + + enum symtab_mutability_type + { + e_unknown = 0, + e_mutable = 1, + e_immutable = 2 + }; + + typedef T (*ff00_functor)(); + typedef T (*ff01_functor)(T); + typedef T (*ff02_functor)(T, T); + typedef T (*ff03_functor)(T, T, T); + typedef T (*ff04_functor)(T, T, T, T); + typedef T (*ff05_functor)(T, T, T, T, T); + typedef T (*ff06_functor)(T, T, T, T, T, T); + typedef T (*ff07_functor)(T, T, T, T, T, T, T); + typedef T (*ff08_functor)(T, T, T, T, T, T, T, T); + typedef T (*ff09_functor)(T, T, T, T, T, T, T, T, T); + typedef T (*ff10_functor)(T, T, T, T, T, T, T, T, T, T); + typedef T (*ff11_functor)(T, T, T, T, T, T, T, T, T, T, T); + typedef T (*ff12_functor)(T, T, T, T, T, T, T, T, T, T, T, T); + typedef T (*ff13_functor)(T, T, T, T, T, T, T, T, T, T, T, T, T); + typedef T (*ff14_functor)(T, T, T, T, T, T, T, T, T, T, T, T, T, T); + typedef T (*ff15_functor)(T, T, T, T, T, T, T, T, T, T, T, T, T, T, T); + + protected: + + struct freefunc00 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc00(ff00_functor ff) : exprtk::ifunction(0), f(ff) {} + inline T operator() () exprtk_override + { return f(); } + ff00_functor f; + }; + + struct freefunc01 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc01(ff01_functor ff) : exprtk::ifunction(1), f(ff) {} + inline T operator() (const T& v0) exprtk_override + { return f(v0); } + ff01_functor f; + }; + + struct freefunc02 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc02(ff02_functor ff) : exprtk::ifunction(2), f(ff) {} + inline T operator() (const T& v0, const T& v1) exprtk_override + { return f(v0, v1); } + ff02_functor f; + }; + + struct freefunc03 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc03(ff03_functor ff) : exprtk::ifunction(3), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2) exprtk_override + { return f(v0, v1, v2); } + ff03_functor f; + }; + + struct freefunc04 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc04(ff04_functor ff) : exprtk::ifunction(4), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3) exprtk_override + { return f(v0, v1, v2, v3); } + ff04_functor f; + }; + + struct freefunc05 : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc05(ff05_functor ff) : exprtk::ifunction(5), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4) exprtk_override + { return f(v0, v1, v2, v3, v4); } + ff05_functor f; + }; + + struct freefunc06 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc06(ff06_functor ff) : exprtk::ifunction(6), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, const T& v5) exprtk_override + { return f(v0, v1, v2, v3, v4, v5); } + ff06_functor f; + }; + + struct freefunc07 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc07(ff07_functor ff) : exprtk::ifunction(7), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, + const T& v5, const T& v6) exprtk_override + { return f(v0, v1, v2, v3, v4, v5, v6); } + ff07_functor f; + }; + + struct freefunc08 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc08(ff08_functor ff) : exprtk::ifunction(8), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, + const T& v5, const T& v6, const T& v7) exprtk_override + { return f(v0, v1, v2, v3, v4, v5, v6, v7); } + ff08_functor f; + }; + + struct freefunc09 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc09(ff09_functor ff) : exprtk::ifunction(9), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, + const T& v5, const T& v6, const T& v7, const T& v8) exprtk_override + { return f(v0, v1, v2, v3, v4, v5, v6, v7, v8); } + ff09_functor f; + }; + + struct freefunc10 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc10(ff10_functor ff) : exprtk::ifunction(10), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, + const T& v5, const T& v6, const T& v7, const T& v8, const T& v9) exprtk_override + { return f(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9); } + ff10_functor f; + }; + + struct freefunc11 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc11(ff11_functor ff) : exprtk::ifunction(11), f(ff) {} + inline T operator() (const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, + const T& v5, const T& v6, const T& v7, const T& v8, const T& v9, const T& v10) exprtk_override + { return f(v0, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10); } + ff11_functor f; + }; + + struct freefunc12 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc12(ff12_functor ff) : exprtk::ifunction(12), f(ff) {} + inline T operator() (const T& v00, const T& v01, const T& v02, const T& v03, const T& v04, + const T& v05, const T& v06, const T& v07, const T& v08, const T& v09, + const T& v10, const T& v11) exprtk_override + { return f(v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11); } + ff12_functor f; + }; + + struct freefunc13 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc13(ff13_functor ff) : exprtk::ifunction(13), f(ff) {} + inline T operator() (const T& v00, const T& v01, const T& v02, const T& v03, const T& v04, + const T& v05, const T& v06, const T& v07, const T& v08, const T& v09, + const T& v10, const T& v11, const T& v12) exprtk_override + { return f(v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11, v12); } + ff13_functor f; + }; + + struct freefunc14 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc14(ff14_functor ff) : exprtk::ifunction(14), f(ff) {} + inline T operator() (const T& v00, const T& v01, const T& v02, const T& v03, const T& v04, + const T& v05, const T& v06, const T& v07, const T& v08, const T& v09, + const T& v10, const T& v11, const T& v12, const T& v13) exprtk_override + { return f(v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11, v12, v13); } + ff14_functor f; + }; + + struct freefunc15 exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + explicit freefunc15(ff15_functor ff) : exprtk::ifunction(15), f(ff) {} + inline T operator() (const T& v00, const T& v01, const T& v02, const T& v03, const T& v04, + const T& v05, const T& v06, const T& v07, const T& v08, const T& v09, + const T& v10, const T& v11, const T& v12, const T& v13, const T& v14) exprtk_override + { return f(v00, v01, v02, v03, v04, v05, v06, v07, v08, v09, v10, v11, v12, v13, v14); } + ff15_functor f; + }; + + template + struct type_store + { + typedef details::expression_node* expression_ptr; + typedef typename details::variable_node variable_node_t; + typedef ifunction ifunction_t; + typedef ivararg_function ivararg_function_t; + typedef igeneric_function igeneric_function_t; + typedef details::vector_holder vector_t; + #ifndef exprtk_disable_string_capabilities + typedef typename details::stringvar_node stringvar_node_t; + #endif + + typedef Type type_t; + typedef type_t* type_ptr; + typedef std::pair type_pair_t; + typedef std::map type_map_t; + typedef typename type_map_t::iterator tm_itr_t; + typedef typename type_map_t::const_iterator tm_const_itr_t; + + enum { lut_size = 256 }; + + type_map_t map; + std::size_t size; + + type_store() + : size(0) + {} + + struct deleter + { + #define exprtk_define_process(Type) \ + static inline void process(std::pair& n) \ + { \ + delete n.second; \ + } \ + + exprtk_define_process(variable_node_t ) + exprtk_define_process(vector_t ) + #ifndef exprtk_disable_string_capabilities + exprtk_define_process(stringvar_node_t) + #endif + + #undef exprtk_define_process + + template + static inline void process(std::pair&) + {} + }; + + inline bool symbol_exists(const std::string& symbol_name) const + { + if (symbol_name.empty()) + return false; + else if (map.end() != map.find(symbol_name)) + return true; + else + return false; + } + + template + inline std::string entity_name(const PtrType& ptr) const + { + if (map.empty()) + return std::string(); + + tm_const_itr_t itr = map.begin(); + + while (map.end() != itr) + { + if (itr->second.second == ptr) + { + return itr->first; + } + else + ++itr; + } + + return std::string(); + } + + inline bool is_constant(const std::string& symbol_name) const + { + if (symbol_name.empty()) + return false; + else + { + const tm_const_itr_t itr = map.find(symbol_name); + + if (map.end() == itr) + return false; + else + return (*itr).second.first; + } + } + + template + inline bool add_impl(const std::string& symbol_name, RType t, const bool is_const) + { + if (symbol_name.size() > 1) + { + for (std::size_t i = 0; i < details::reserved_symbols_size; ++i) + { + if (details::imatch(symbol_name, details::reserved_symbols[i])) + { + return false; + } + } + } + + const tm_itr_t itr = map.find(symbol_name); + + if (map.end() == itr) + { + map[symbol_name] = Tie::make(t,is_const); + ++size; + } + + return true; + } + + struct tie_array + { + static inline std::pair make(std::pair v, const bool is_const = false) + { + return std::make_pair(is_const, new vector_t(v.first, v.second)); + } + }; + + struct tie_stdvec + { + template + static inline std::pair make(std::vector& v, const bool is_const = false) + { + return std::make_pair(is_const, new vector_t(v)); + } + }; + + struct tie_vecview + { + static inline std::pair make(exprtk::vector_view& v, const bool is_const = false) + { + return std::make_pair(is_const, new vector_t(v)); + } + }; + + struct tie_stddeq + { + template + static inline std::pair make(std::deque& v, const bool is_const = false) + { + return std::make_pair(is_const, new vector_t(v)); + } + }; + + template + inline bool add(const std::string& symbol_name, T (&v)[v_size], const bool is_const = false) + { + return add_impl > + (symbol_name, std::make_pair(v,v_size), is_const); + } + + inline bool add(const std::string& symbol_name, T* v, const std::size_t v_size, const bool is_const = false) + { + return add_impl > + (symbol_name, std::make_pair(v,v_size), is_const); + } + + template + inline bool add(const std::string& symbol_name, std::vector& v, const bool is_const = false) + { + return add_impl&> + (symbol_name, v, is_const); + } + + inline bool add(const std::string& symbol_name, exprtk::vector_view& v, const bool is_const = false) + { + return add_impl&> + (symbol_name, v, is_const); + } + + template + inline bool add(const std::string& symbol_name, std::deque& v, const bool is_const = false) + { + return add_impl&> + (symbol_name, v, is_const); + } + + inline bool add(const std::string& symbol_name, RawType& t_, const bool is_const = false) + { + struct tie + { + static inline std::pair make(T& t, const bool is_constant = false) + { + return std::make_pair(is_constant, new variable_node_t(t)); + } + + #ifndef exprtk_disable_string_capabilities + static inline std::pair make(std::string& t, const bool is_constant = false) + { + return std::make_pair(is_constant, new stringvar_node_t(t)); + } + #endif + + static inline std::pair make(function_t& t, const bool is_constant = false) + { + return std::make_pair(is_constant,&t); + } + + static inline std::pair make(vararg_function_t& t, const bool is_constant = false) + { + return std::make_pair(is_constant,&t); + } + + static inline std::pair make(generic_function_t& t, const bool is_constant = false) + { + return std::make_pair(is_constant,&t); + } + }; + + const tm_itr_t itr = map.find(symbol_name); + + if (map.end() == itr) + { + map[symbol_name] = tie::make(t_,is_const); + ++size; + } + + return true; + } + + inline type_ptr get(const std::string& symbol_name) const + { + const tm_const_itr_t itr = map.find(symbol_name); + + if (map.end() == itr) + return reinterpret_cast(0); + else + return itr->second.second; + } + + template + struct ptr_match + { + static inline bool test(const PtrType, const void*) + { + return false; + } + }; + + template + struct ptr_match + { + static inline bool test(const variable_node_t* p, const void* ptr) + { + exprtk_debug(("ptr_match::test() - %p <--> %p\n", reinterpret_cast(&(p->ref())), ptr)); + return (&(p->ref()) == ptr); + } + }; + + inline type_ptr get_from_varptr(const void* ptr) const + { + tm_const_itr_t itr = map.begin(); + + while (map.end() != itr) + { + type_ptr ret_ptr = itr->second.second; + + if (ptr_match::test(ret_ptr,ptr)) + { + return ret_ptr; + } + + ++itr; + } + + return type_ptr(0); + } + + inline bool remove(const std::string& symbol_name, const bool delete_node = true) + { + const tm_itr_t itr = map.find(symbol_name); + + if (map.end() != itr) + { + if (delete_node) + { + deleter::process((*itr).second); + } + + map.erase(itr); + --size; + + return true; + } + else + return false; + } + + inline RawType& type_ref(const std::string& symbol_name) + { + struct init_type + { + static inline double set(double) { return (0.0); } + static inline double set(long double) { return (0.0); } + static inline float set(float) { return (0.0f); } + static inline std::string set(std::string) { return std::string(""); } + }; + + static RawType null_type = init_type::set(RawType()); + + const tm_const_itr_t itr = map.find(symbol_name); + + if (map.end() == itr) + return null_type; + else + return itr->second.second->ref(); + } + + inline void clear(const bool delete_node = true) + { + if (!map.empty()) + { + if (delete_node) + { + tm_itr_t itr = map.begin(); + tm_itr_t end = map.end (); + + while (end != itr) + { + deleter::process((*itr).second); + ++itr; + } + } + + map.clear(); + } + + size = 0; + } + + template class Sequence> + inline std::size_t get_list(Sequence,Allocator>& list) const + { + std::size_t count = 0; + + if (!map.empty()) + { + tm_const_itr_t itr = map.begin(); + tm_const_itr_t end = map.end (); + + while (end != itr) + { + list.push_back(std::make_pair((*itr).first,itr->second.second->ref())); + ++itr; + ++count; + } + } + + return count; + } + + template class Sequence> + inline std::size_t get_list(Sequence& vlist) const + { + std::size_t count = 0; + + if (!map.empty()) + { + tm_const_itr_t itr = map.begin(); + tm_const_itr_t end = map.end (); + + while (end != itr) + { + vlist.push_back((*itr).first); + ++itr; + ++count; + } + } + + return count; + } + }; + + typedef details::expression_node* expression_ptr; + typedef typename details::variable_node variable_t; + typedef typename details::vector_holder vector_holder_t; + typedef variable_t* variable_ptr; + #ifndef exprtk_disable_string_capabilities + typedef typename details::stringvar_node stringvar_t; + typedef stringvar_t* stringvar_ptr; + #endif + typedef ifunction function_t; + typedef ivararg_function vararg_function_t; + typedef igeneric_function generic_function_t; + typedef function_t* function_ptr; + typedef vararg_function_t* vararg_function_ptr; + typedef generic_function_t* generic_function_ptr; + + static const std::size_t lut_size = 256; + + // Symbol Table Holder + struct control_block + { + struct st_data + { + type_store variable_store; + type_store function_store; + type_store vararg_function_store; + type_store generic_function_store; + type_store string_function_store; + type_store overload_function_store; + type_store vector_store; + #ifndef exprtk_disable_string_capabilities + type_store stringvar_store; + #endif + + st_data() + { + for (std::size_t i = 0; i < details::reserved_words_size; ++i) + { + reserved_symbol_table_.insert(details::reserved_words[i]); + } + + for (std::size_t i = 0; i < details::reserved_symbols_size; ++i) + { + reserved_symbol_table_.insert(details::reserved_symbols[i]); + } + } + + ~st_data() + { + for (std::size_t i = 0; i < free_function_list_.size(); ++i) + { + delete free_function_list_[i]; + } + } + + inline bool is_reserved_symbol(const std::string& symbol) const + { + return (reserved_symbol_table_.end() != reserved_symbol_table_.find(symbol)); + } + + static inline st_data* create() + { + return (new st_data); + } + + static inline void destroy(st_data*& sd) + { + delete sd; + sd = reinterpret_cast(0); + } + + std::list local_symbol_list_; + std::list local_stringvar_list_; + std::set reserved_symbol_table_; + std::vector*> free_function_list_; + }; + + control_block() + : ref_count(1) + , data_(st_data::create()) + , mutability_(e_mutable) + {} + + explicit control_block(st_data* data) + : ref_count(1) + , data_(data) + , mutability_(e_mutable) + {} + + ~control_block() + { + if (data_ && (0 == ref_count)) + { + st_data::destroy(data_); + } + } + + static inline control_block* create() + { + return (new control_block); + } + + template + static inline void destroy(control_block*& cntrl_blck, SymTab* sym_tab) + { + if (cntrl_blck) + { + if ( + (0 != cntrl_blck->ref_count) && + (0 == --cntrl_blck->ref_count) + ) + { + if (sym_tab) + sym_tab->clear(); + + delete cntrl_blck; + } + + cntrl_blck = 0; + } + } + + void set_mutability(const symtab_mutability_type mutability) + { + mutability_ = mutability; + } + + std::size_t ref_count; + st_data* data_; + symtab_mutability_type mutability_; + }; + + public: + + explicit symbol_table(const symtab_mutability_type mutability = e_mutable) + : control_block_(control_block::create()) + { + control_block_->set_mutability(mutability); + clear(); + } + + ~symbol_table() + { + exprtk::details::dump_ptr("~symbol_table", this); + control_block::destroy(control_block_, this); + } + + symbol_table(const symbol_table& st) + { + control_block_ = st.control_block_; + control_block_->ref_count++; + } + + inline symbol_table& operator=(const symbol_table& st) + { + if (this != &st) + { + control_block::destroy(control_block_,reinterpret_cast*>(0)); + + control_block_ = st.control_block_; + control_block_->ref_count++; + } + + return (*this); + } + + inline bool operator==(const symbol_table& st) const + { + return (this == &st) || (control_block_ == st.control_block_); + } + + inline symtab_mutability_type mutability() const + { + return valid() ? control_block_->mutability_ : e_unknown; + } + + inline void clear_variables(const bool delete_node = true) + { + local_data().variable_store.clear(delete_node); + } + + inline void clear_functions() + { + local_data().function_store.clear(); + } + + inline void clear_strings() + { + #ifndef exprtk_disable_string_capabilities + local_data().stringvar_store.clear(); + #endif + } + + inline void clear_vectors() + { + local_data().vector_store.clear(); + } + + inline void clear_local_constants() + { + local_data().local_symbol_list_.clear(); + } + + inline void clear() + { + if (!valid()) return; + clear_variables (); + clear_functions (); + clear_strings (); + clear_vectors (); + clear_local_constants(); + } + + inline std::size_t variable_count() const + { + if (valid()) + return local_data().variable_store.size; + else + return 0; + } + + #ifndef exprtk_disable_string_capabilities + inline std::size_t stringvar_count() const + { + if (valid()) + return local_data().stringvar_store.size; + else + return 0; + } + #endif + + inline std::size_t function_count() const + { + if (valid()) + return local_data().function_store.size; + else + return 0; + } + + inline std::size_t vector_count() const + { + if (valid()) + return local_data().vector_store.size; + else + return 0; + } + + inline variable_ptr get_variable(const std::string& variable_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(variable_name)) + return reinterpret_cast(0); + else + return local_data().variable_store.get(variable_name); + } + + inline variable_ptr get_variable(const T& var_ref) const + { + if (!valid()) + return reinterpret_cast(0); + else + return local_data().variable_store.get_from_varptr( + reinterpret_cast(&var_ref)); + } + + #ifndef exprtk_disable_string_capabilities + inline stringvar_ptr get_stringvar(const std::string& string_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(string_name)) + return reinterpret_cast(0); + else + return local_data().stringvar_store.get(string_name); + } + + inline stringvar_base get_stringvar_base(const std::string& string_name) const + { + static stringvar_base null_stringvar_base("",reinterpret_cast(0)); + if (!valid()) + return null_stringvar_base; + else if (!valid_symbol(string_name)) + return null_stringvar_base; + + stringvar_ptr stringvar = local_data().stringvar_store.get(string_name); + + if (0 == stringvar) + { + return null_stringvar_base; + } + + return stringvar_base(string_name,stringvar); + } + #endif + + inline function_ptr get_function(const std::string& function_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(function_name)) + return reinterpret_cast(0); + else + return local_data().function_store.get(function_name); + } + + inline vararg_function_ptr get_vararg_function(const std::string& vararg_function_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(vararg_function_name)) + return reinterpret_cast(0); + else + return local_data().vararg_function_store.get(vararg_function_name); + } + + inline generic_function_ptr get_generic_function(const std::string& function_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(function_name)) + return reinterpret_cast(0); + else + return local_data().generic_function_store.get(function_name); + } + + inline generic_function_ptr get_string_function(const std::string& function_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(function_name)) + return reinterpret_cast(0); + else + return local_data().string_function_store.get(function_name); + } + + inline generic_function_ptr get_overload_function(const std::string& function_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(function_name)) + return reinterpret_cast(0); + else + return local_data().overload_function_store.get(function_name); + } + + typedef vector_holder_t* vector_holder_ptr; + + inline vector_holder_ptr get_vector(const std::string& vector_name) const + { + if (!valid()) + return reinterpret_cast(0); + else if (!valid_symbol(vector_name)) + return reinterpret_cast(0); + else + return local_data().vector_store.get(vector_name); + } + + inline T& variable_ref(const std::string& symbol_name) + { + static T null_var = T(0); + if (!valid()) + return null_var; + else if (!valid_symbol(symbol_name)) + return null_var; + else + return local_data().variable_store.type_ref(symbol_name); + } + + #ifndef exprtk_disable_string_capabilities + inline std::string& stringvar_ref(const std::string& symbol_name) + { + static std::string null_stringvar; + if (!valid()) + return null_stringvar; + else if (!valid_symbol(symbol_name)) + return null_stringvar; + else + return local_data().stringvar_store.type_ref(symbol_name); + } + #endif + + inline bool is_constant_node(const std::string& symbol_name) const + { + if (!valid()) + return false; + else if (!valid_symbol(symbol_name)) + return false; + else + return local_data().variable_store.is_constant(symbol_name); + } + + #ifndef exprtk_disable_string_capabilities + inline bool is_constant_string(const std::string& symbol_name) const + { + if (!valid()) + return false; + else if (!valid_symbol(symbol_name)) + return false; + else if (!local_data().stringvar_store.symbol_exists(symbol_name)) + return false; + else + return local_data().stringvar_store.is_constant(symbol_name); + } + #endif + + inline bool create_variable(const std::string& variable_name, const T& value = T(0)) + { + if (!valid()) + return false; + else if (!valid_symbol(variable_name)) + return false; + else if (symbol_exists(variable_name)) + return false; + + local_data().local_symbol_list_.push_back(value); + T& t = local_data().local_symbol_list_.back(); + + return add_variable(variable_name,t); + } + + #ifndef exprtk_disable_string_capabilities + inline bool create_stringvar(const std::string& stringvar_name, const std::string& value = std::string("")) + { + if (!valid()) + return false; + else if (!valid_symbol(stringvar_name)) + return false; + else if (symbol_exists(stringvar_name)) + return false; + + local_data().local_stringvar_list_.push_back(value); + std::string& s = local_data().local_stringvar_list_.back(); + + return add_stringvar(stringvar_name,s); + } + #endif + + inline bool add_variable(const std::string& variable_name, T& t, const bool is_constant = false) + { + if (!valid()) + return false; + else if (!valid_symbol(variable_name)) + return false; + else if (symbol_exists(variable_name)) + return false; + else + return local_data().variable_store.add(variable_name, t, is_constant); + } + + inline bool add_constant(const std::string& constant_name, const T& value) + { + if (!valid()) + return false; + else if (!valid_symbol(constant_name)) + return false; + else if (symbol_exists(constant_name)) + return false; + + local_data().local_symbol_list_.push_back(value); + T& t = local_data().local_symbol_list_.back(); + + return add_variable(constant_name, t, true); + } + + #ifndef exprtk_disable_string_capabilities + inline bool add_stringvar(const std::string& stringvar_name, std::string& s, const bool is_constant = false) + { + if (!valid()) + return false; + else if (!valid_symbol(stringvar_name)) + return false; + else if (symbol_exists(stringvar_name)) + return false; + else + return local_data().stringvar_store.add(stringvar_name, s, is_constant); + } + #endif + + inline bool add_function(const std::string& function_name, function_t& function) + { + if (!valid()) + return false; + else if (!valid_symbol(function_name)) + return false; + else if (symbol_exists(function_name)) + return false; + else + return local_data().function_store.add(function_name,function); + } + + inline bool add_function(const std::string& vararg_function_name, vararg_function_t& vararg_function) + { + if (!valid()) + return false; + else if (!valid_symbol(vararg_function_name)) + return false; + else if (symbol_exists(vararg_function_name)) + return false; + else + return local_data().vararg_function_store.add(vararg_function_name,vararg_function); + } + + inline bool add_function(const std::string& function_name, generic_function_t& function) + { + if (!valid()) + return false; + else if (!valid_symbol(function_name)) + return false; + else if (symbol_exists(function_name)) + return false; + else + { + switch (function.rtrn_type) + { + case generic_function_t::e_rtrn_scalar : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|")) ? + local_data().generic_function_store.add(function_name,function) : false; + + case generic_function_t::e_rtrn_string : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|")) ? + local_data().string_function_store.add(function_name,function) : false; + + case generic_function_t::e_rtrn_overload : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|:")) ? + local_data().overload_function_store.add(function_name,function) : false; + } + } + + return false; + } + + #define exprtk_define_freefunction(NN) \ + inline bool add_function(const std::string& function_name, ff##NN##_functor function) \ + { \ + if (!valid()) \ + { return false; } \ + if (!valid_symbol(function_name)) \ + { return false; } \ + if (symbol_exists(function_name)) \ + { return false; } \ + \ + exprtk::ifunction* ifunc = new freefunc##NN(function); \ + \ + local_data().free_function_list_.push_back(ifunc); \ + \ + return add_function(function_name,(*local_data().free_function_list_.back())); \ + } \ + + exprtk_define_freefunction(00) exprtk_define_freefunction(01) + exprtk_define_freefunction(02) exprtk_define_freefunction(03) + exprtk_define_freefunction(04) exprtk_define_freefunction(05) + exprtk_define_freefunction(06) exprtk_define_freefunction(07) + exprtk_define_freefunction(08) exprtk_define_freefunction(09) + exprtk_define_freefunction(10) exprtk_define_freefunction(11) + exprtk_define_freefunction(12) exprtk_define_freefunction(13) + exprtk_define_freefunction(14) exprtk_define_freefunction(15) + + #undef exprtk_define_freefunction + + inline bool add_reserved_function(const std::string& function_name, function_t& function) + { + if (!valid()) + return false; + else if (!valid_symbol(function_name,false)) + return false; + else if (symbol_exists(function_name,false)) + return false; + else + return local_data().function_store.add(function_name,function); + } + + inline bool add_reserved_function(const std::string& vararg_function_name, vararg_function_t& vararg_function) + { + if (!valid()) + return false; + else if (!valid_symbol(vararg_function_name,false)) + return false; + else if (symbol_exists(vararg_function_name,false)) + return false; + else + return local_data().vararg_function_store.add(vararg_function_name,vararg_function); + } + + inline bool add_reserved_function(const std::string& function_name, generic_function_t& function) + { + if (!valid()) + return false; + else if (!valid_symbol(function_name,false)) + return false; + else if (symbol_exists(function_name,false)) + return false; + else + { + switch (function.rtrn_type) + { + case generic_function_t::e_rtrn_scalar : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|")) ? + local_data().generic_function_store.add(function_name,function) : false; + + case generic_function_t::e_rtrn_string : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|")) ? + local_data().string_function_store.add(function_name,function) : false; + + case generic_function_t::e_rtrn_overload : + return (std::string::npos == function.parameter_sequence.find_first_not_of("STVZ*?|:")) ? + local_data().overload_function_store.add(function_name,function) : false; + } + } + + return false; + } + + #define exprtk_define_reserved_function(NN) \ + inline bool add_reserved_function(const std::string& function_name, ff##NN##_functor function) \ + { \ + if (!valid()) \ + { return false; } \ + if (!valid_symbol(function_name,false)) \ + { return false; } \ + if (symbol_exists(function_name,false)) \ + { return false; } \ + \ + exprtk::ifunction* ifunc = new freefunc##NN(function); \ + \ + local_data().free_function_list_.push_back(ifunc); \ + \ + return add_reserved_function(function_name,(*local_data().free_function_list_.back())); \ + } \ + + exprtk_define_reserved_function(00) exprtk_define_reserved_function(01) + exprtk_define_reserved_function(02) exprtk_define_reserved_function(03) + exprtk_define_reserved_function(04) exprtk_define_reserved_function(05) + exprtk_define_reserved_function(06) exprtk_define_reserved_function(07) + exprtk_define_reserved_function(08) exprtk_define_reserved_function(09) + exprtk_define_reserved_function(10) exprtk_define_reserved_function(11) + exprtk_define_reserved_function(12) exprtk_define_reserved_function(13) + exprtk_define_reserved_function(14) exprtk_define_reserved_function(15) + + #undef exprtk_define_reserved_function + + template + inline bool add_vector(const std::string& vector_name, T (&v)[N]) + { + if (!valid()) + return false; + else if (!valid_symbol(vector_name)) + return false; + else if (symbol_exists(vector_name)) + return false; + else + return local_data().vector_store.add(vector_name,v); + } + + inline bool add_vector(const std::string& vector_name, T* v, const std::size_t& v_size) + { + if (!valid()) + return false; + else if (!valid_symbol(vector_name)) + return false; + else if (symbol_exists(vector_name)) + return false; + else if (0 == v_size) + return false; + else + return local_data().vector_store.add(vector_name, v, v_size); + } + + template + inline bool add_vector(const std::string& vector_name, std::vector& v) + { + if (!valid()) + return false; + else if (!valid_symbol(vector_name)) + return false; + else if (symbol_exists(vector_name)) + return false; + else if (0 == v.size()) + return false; + else + return local_data().vector_store.add(vector_name,v); + } + + inline bool add_vector(const std::string& vector_name, exprtk::vector_view& v) + { + if (!valid()) + return false; + else if (!valid_symbol(vector_name)) + return false; + else if (symbol_exists(vector_name)) + return false; + else if (0 == v.size()) + return false; + else + return local_data().vector_store.add(vector_name,v); + } + + inline bool remove_variable(const std::string& variable_name, const bool delete_node = true) + { + if (!valid()) + return false; + else + return local_data().variable_store.remove(variable_name, delete_node); + } + + #ifndef exprtk_disable_string_capabilities + inline bool remove_stringvar(const std::string& string_name) + { + if (!valid()) + return false; + else + return local_data().stringvar_store.remove(string_name); + } + #endif + + inline bool remove_function(const std::string& function_name) + { + if (!valid()) + return false; + else + return local_data().function_store.remove(function_name); + } + + inline bool remove_vararg_function(const std::string& vararg_function_name) + { + if (!valid()) + return false; + else + return local_data().vararg_function_store.remove(vararg_function_name); + } + + inline bool remove_vector(const std::string& vector_name) + { + if (!valid()) + return false; + else + return local_data().vector_store.remove(vector_name); + } + + inline bool add_constants() + { + return add_pi () && + add_epsilon () && + add_infinity() ; + } + + inline bool add_pi() + { + const typename details::numeric::details::number_type::type num_type; + static const T local_pi = details::numeric::details::const_pi_impl(num_type); + return add_constant("pi",local_pi); + } + + inline bool add_epsilon() + { + static const T local_epsilon = details::numeric::details::epsilon_type::value(); + return add_constant("epsilon",local_epsilon); + } + + inline bool add_infinity() + { + static const T local_infinity = std::numeric_limits::infinity(); + return add_constant("inf",local_infinity); + } + + template + inline bool add_package(Package& package) + { + return package.register_package(*this); + } + + template class Sequence> + inline std::size_t get_variable_list(Sequence,Allocator>& vlist) const + { + if (!valid()) + return 0; + else + return local_data().variable_store.get_list(vlist); + } + + template class Sequence> + inline std::size_t get_variable_list(Sequence& vlist) const + { + if (!valid()) + return 0; + else + return local_data().variable_store.get_list(vlist); + } + + #ifndef exprtk_disable_string_capabilities + template class Sequence> + inline std::size_t get_stringvar_list(Sequence,Allocator>& svlist) const + { + if (!valid()) + return 0; + else + return local_data().stringvar_store.get_list(svlist); + } + + template class Sequence> + inline std::size_t get_stringvar_list(Sequence& svlist) const + { + if (!valid()) + return 0; + else + return local_data().stringvar_store.get_list(svlist); + } + #endif + + template class Sequence> + inline std::size_t get_vector_list(Sequence& vec_list) const + { + if (!valid()) + return 0; + else + return local_data().vector_store.get_list(vec_list); + } + + template class Sequence> + inline std::size_t get_function_list(Sequence& function_list) const + { + if (!valid()) + return 0; + + std::vector function_names; + std::size_t count = 0; + + count += local_data().function_store .get_list(function_names); + count += local_data().vararg_function_store .get_list(function_names); + count += local_data().generic_function_store .get_list(function_names); + count += local_data().string_function_store .get_list(function_names); + count += local_data().overload_function_store.get_list(function_names); + + std::set function_set; + + for (std::size_t i = 0; i < function_names.size(); ++i) + { + function_set.insert(function_names[i]); + } + + std::copy(function_set.begin(), function_set.end(), + std::back_inserter(function_list)); + + return count; + } + + inline std::vector get_function_list() const + { + std::vector result; + get_function_list(result); + return result; + } + + inline bool symbol_exists(const std::string& symbol_name, const bool check_reserved_symb = true) const + { + /* + Function will return true if symbol_name exists as either a + reserved symbol, variable, stringvar, vector or function name + in any of the type stores. + */ + if (!valid()) + return false; + else if (local_data().variable_store.symbol_exists(symbol_name)) + return true; + #ifndef exprtk_disable_string_capabilities + else if (local_data().stringvar_store.symbol_exists(symbol_name)) + return true; + #endif + else if (local_data().vector_store.symbol_exists(symbol_name)) + return true; + else if (local_data().function_store.symbol_exists(symbol_name)) + return true; + else if (check_reserved_symb && local_data().is_reserved_symbol(symbol_name)) + return true; + else + return false; + } + + inline bool is_variable(const std::string& variable_name) const + { + if (!valid()) + return false; + else + return local_data().variable_store.symbol_exists(variable_name); + } + + #ifndef exprtk_disable_string_capabilities + inline bool is_stringvar(const std::string& stringvar_name) const + { + if (!valid()) + return false; + else + return local_data().stringvar_store.symbol_exists(stringvar_name); + } + + inline bool is_conststr_stringvar(const std::string& symbol_name) const + { + if (!valid()) + return false; + else if (!valid_symbol(symbol_name)) + return false; + else if (!local_data().stringvar_store.symbol_exists(symbol_name)) + return false; + + return ( + local_data().stringvar_store.symbol_exists(symbol_name) || + local_data().stringvar_store.is_constant (symbol_name) + ); + } + #endif + + inline bool is_function(const std::string& function_name) const + { + if (!valid()) + return false; + else + return local_data().function_store.symbol_exists(function_name); + } + + inline bool is_vararg_function(const std::string& vararg_function_name) const + { + if (!valid()) + return false; + else + return local_data().vararg_function_store.symbol_exists(vararg_function_name); + } + + inline bool is_vector(const std::string& vector_name) const + { + if (!valid()) + return false; + else + return local_data().vector_store.symbol_exists(vector_name); + } + + inline std::string get_variable_name(const expression_ptr& ptr) const + { + return local_data().variable_store.entity_name(ptr); + } + + inline std::string get_vector_name(const vector_holder_ptr& ptr) const + { + return local_data().vector_store.entity_name(ptr); + } + + #ifndef exprtk_disable_string_capabilities + inline std::string get_stringvar_name(const expression_ptr& ptr) const + { + return local_data().stringvar_store.entity_name(ptr); + } + + inline std::string get_conststr_stringvar_name(const expression_ptr& ptr) const + { + return local_data().stringvar_store.entity_name(ptr); + } + #endif + + inline bool valid() const + { + // Symbol table sanity check. + return control_block_ && control_block_->data_; + } + + inline void load_from(const symbol_table& st) + { + { + std::vector name_list; + + st.local_data().function_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + exprtk::ifunction& ifunc = *st.get_function(name_list[i]); + add_function(name_list[i],ifunc); + } + } + } + + { + std::vector name_list; + + st.local_data().vararg_function_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + exprtk::ivararg_function& ivafunc = *st.get_vararg_function(name_list[i]); + add_function(name_list[i],ivafunc); + } + } + } + + { + std::vector name_list; + + st.local_data().generic_function_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + exprtk::igeneric_function& ifunc = *st.get_generic_function(name_list[i]); + add_function(name_list[i],ifunc); + } + } + } + + { + std::vector name_list; + + st.local_data().string_function_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + exprtk::igeneric_function& ifunc = *st.get_string_function(name_list[i]); + add_function(name_list[i],ifunc); + } + } + } + + { + std::vector name_list; + + st.local_data().overload_function_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + exprtk::igeneric_function& ifunc = *st.get_overload_function(name_list[i]); + add_function(name_list[i],ifunc); + } + } + } + } + + inline void load_variables_from(const symbol_table& st) + { + std::vector name_list; + + st.local_data().variable_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + T& variable = st.get_variable(name_list[i])->ref(); + add_variable(name_list[i], variable); + } + } + } + + inline void load_vectors_from(const symbol_table& st) + { + std::vector name_list; + + st.local_data().vector_store.get_list(name_list); + + if (!name_list.empty()) + { + for (std::size_t i = 0; i < name_list.size(); ++i) + { + vector_holder_t& vecholder = *st.get_vector(name_list[i]); + add_vector(name_list[i], vecholder.data(), vecholder.size()); + } + } + } + + private: + + inline bool valid_symbol(const std::string& symbol, const bool check_reserved_symb = true) const + { + if (symbol.empty()) + return false; + else if (!details::is_letter(symbol[0])) + return false; + else if (symbol.size() > 1) + { + for (std::size_t i = 1; i < symbol.size(); ++i) + { + if ( + !details::is_letter_or_digit(symbol[i]) && + ('_' != symbol[i]) + ) + { + if ((i < (symbol.size() - 1)) && ('.' == symbol[i])) + continue; + else + return false; + } + } + } + + return (check_reserved_symb) ? (!local_data().is_reserved_symbol(symbol)) : true; + } + + inline bool valid_function(const std::string& symbol) const + { + if (symbol.empty()) + return false; + else if (!details::is_letter(symbol[0])) + return false; + else if (symbol.size() > 1) + { + for (std::size_t i = 1; i < symbol.size(); ++i) + { + if ( + !details::is_letter_or_digit(symbol[i]) && + ('_' != symbol[i]) + ) + { + if ((i < (symbol.size() - 1)) && ('.' == symbol[i])) + continue; + else + return false; + } + } + } + + return true; + } + + typedef typename control_block::st_data local_data_t; + + inline local_data_t& local_data() + { + return *(control_block_->data_); + } + + inline const local_data_t& local_data() const + { + return *(control_block_->data_); + } + + control_block* control_block_; + + friend class parser; + }; // class symbol_table + + template + class function_compositor; + + template + class expression + { + private: + + typedef details::expression_node* expression_ptr; + typedef details::vector_holder* vector_holder_ptr; + typedef std::vector > symtab_list_t; + + struct control_block + { + enum data_type + { + e_unknown , + e_expr , + e_vecholder, + e_data , + e_vecdata , + e_string + }; + + static std::string to_str(data_type dt) + { + switch (dt) + { + case e_unknown : return "e_unknown "; + case e_expr : return "e_expr" ; + case e_vecholder : return "e_vecholder"; + case e_data : return "e_data" ; + case e_vecdata : return "e_vecdata" ; + case e_string : return "e_string" ; + } + + return ""; + } + + struct data_pack + { + data_pack() + : pointer(0) + , type(e_unknown) + , size(0) + {} + + data_pack(void* ptr, const data_type dt, const std::size_t sz = 0) + : pointer(ptr) + , type(dt) + , size(sz) + {} + + void* pointer; + data_type type; + std::size_t size; + }; + + typedef std::vector local_data_list_t; + typedef results_context results_context_t; + typedef control_block* cntrl_blck_ptr_t; + + control_block() + : ref_count(0) + , expr (0) + , results (0) + , retinv_null(false) + , return_invoked(&retinv_null) + {} + + explicit control_block(expression_ptr e) + : ref_count(1) + , expr (e) + , results (0) + , retinv_null(false) + , return_invoked(&retinv_null) + {} + + ~control_block() + { + if (expr && details::branch_deletable(expr)) + { + destroy_node(expr); + } + + if (!local_data_list.empty()) + { + for (std::size_t i = 0; i < local_data_list.size(); ++i) + { + switch (local_data_list[i].type) + { + case e_expr : delete reinterpret_cast(local_data_list[i].pointer); + break; + + case e_vecholder : delete reinterpret_cast(local_data_list[i].pointer); + break; + + case e_data : delete reinterpret_cast(local_data_list[i].pointer); + break; + + case e_vecdata : delete [] reinterpret_cast(local_data_list[i].pointer); + break; + + case e_string : delete reinterpret_cast(local_data_list[i].pointer); + break; + + default : break; + } + } + } + + if (results) + { + delete results; + } + } + + static inline cntrl_blck_ptr_t create(expression_ptr e) + { + return new control_block(e); + } + + static inline void destroy(cntrl_blck_ptr_t& cntrl_blck) + { + if (cntrl_blck) + { + if ( + (0 != cntrl_blck->ref_count) && + (0 == --cntrl_blck->ref_count) + ) + { + delete cntrl_blck; + } + + cntrl_blck = 0; + } + } + + std::size_t ref_count; + expression_ptr expr; + local_data_list_t local_data_list; + results_context_t* results; + bool retinv_null; + bool* return_invoked; + + friend class function_compositor; + }; + + public: + + expression() + : control_block_(0) + { + set_expression(new details::null_node()); + } + + expression(const expression& e) + : control_block_ (e.control_block_ ) + , symbol_table_list_(e.symbol_table_list_) + { + control_block_->ref_count++; + } + + explicit expression(const symbol_table& symbol_table) + : control_block_(0) + { + set_expression(new details::null_node()); + symbol_table_list_.push_back(symbol_table); + } + + inline expression& operator=(const expression& e) + { + if (this != &e) + { + if (control_block_) + { + if ( + (0 != control_block_->ref_count) && + (0 == --control_block_->ref_count) + ) + { + delete control_block_; + } + + control_block_ = 0; + } + + control_block_ = e.control_block_; + control_block_->ref_count++; + symbol_table_list_ = e.symbol_table_list_; + } + + return *this; + } + + inline bool operator==(const expression& e) const + { + return (this == &e); + } + + inline bool operator!() const + { + return ( + (0 == control_block_ ) || + (0 == control_block_->expr) + ); + } + + inline expression& release() + { + exprtk::details::dump_ptr("expression::release", this); + control_block::destroy(control_block_); + + return (*this); + } + + ~expression() + { + control_block::destroy(control_block_); + } + + inline T value() const + { + assert(control_block_ ); + assert(control_block_->expr); + + return control_block_->expr->value(); + } + + inline T operator() () const + { + return value(); + } + + inline operator T() const + { + return value(); + } + + inline operator bool() const + { + return details::is_true(value()); + } + + inline bool register_symbol_table(symbol_table& st) + { + for (std::size_t i = 0; i < symbol_table_list_.size(); ++i) + { + if (st == symbol_table_list_[i]) + { + return false; + } + } + + symbol_table_list_.push_back(st); + return true; + } + + inline const symbol_table& get_symbol_table(const std::size_t& index = 0) const + { + return symbol_table_list_[index]; + } + + inline symbol_table& get_symbol_table(const std::size_t& index = 0) + { + return symbol_table_list_[index]; + } + + std::size_t num_symbol_tables() const + { + return symbol_table_list_.size(); + } + + typedef results_context results_context_t; + + inline const results_context_t& results() const + { + if (control_block_->results) + return (*control_block_->results); + else + { + static const results_context_t null_results; + return null_results; + } + } + + inline bool return_invoked() const + { + return (*control_block_->return_invoked); + } + + private: + + inline symtab_list_t get_symbol_table_list() const + { + return symbol_table_list_; + } + + inline void set_expression(const expression_ptr expr) + { + if (expr) + { + if (control_block_) + { + if (0 == --control_block_->ref_count) + { + delete control_block_; + } + } + + control_block_ = control_block::create(expr); + } + } + + inline void register_local_var(expression_ptr expr) + { + if (expr) + { + if (control_block_) + { + control_block_-> + local_data_list.push_back( + typename expression::control_block:: + data_pack(reinterpret_cast(expr), + control_block::e_expr)); + } + } + } + + inline void register_local_var(vector_holder_ptr vec_holder) + { + if (vec_holder) + { + if (control_block_) + { + control_block_-> + local_data_list.push_back( + typename expression::control_block:: + data_pack(reinterpret_cast(vec_holder), + control_block::e_vecholder)); + } + } + } + + inline void register_local_data(void* data, const std::size_t& size = 0, const std::size_t data_mode = 0) + { + if (data) + { + if (control_block_) + { + typename control_block::data_type dt = control_block::e_data; + + switch (data_mode) + { + case 0 : dt = control_block::e_data; break; + case 1 : dt = control_block::e_vecdata; break; + case 2 : dt = control_block::e_string; break; + } + + control_block_-> + local_data_list.push_back( + typename expression::control_block:: + data_pack(reinterpret_cast(data), dt, size)); + } + } + } + + inline const typename control_block::local_data_list_t& local_data_list() + { + if (control_block_) + { + return control_block_->local_data_list; + } + else + { + static typename control_block::local_data_list_t null_local_data_list; + return null_local_data_list; + } + } + + inline void register_return_results(results_context_t* rc) + { + if (control_block_ && rc) + { + control_block_->results = rc; + } + } + + inline void set_retinvk(bool* retinvk_ptr) + { + if (control_block_) + { + control_block_->return_invoked = retinvk_ptr; + } + } + + control_block* control_block_; + symtab_list_t symbol_table_list_; + + friend class parser; + friend class expression_helper; + friend class function_compositor; + template + friend bool is_valid(const expression& expr); + }; // class expression + + template + class expression_helper + { + public: + + enum node_types + { + e_literal, + e_variable, + e_string, + e_unary, + e_binary, + e_function, + e_vararg, + e_null, + e_assert, + e_sf3ext, + e_sf4ext + }; + + static inline bool is_literal(const expression& expr) + { + return expr.control_block_ && details::is_literal_node(expr.control_block_->expr); + } + + static inline bool is_variable(const expression& expr) + { + return expr.control_block_ && details::is_variable_node(expr.control_block_->expr); + } + + static inline bool is_string(const expression& expr) + { + return expr.control_block_ && details::is_generally_string_node(expr.control_block_->expr); + } + + static inline bool is_unary(const expression& expr) + { + return expr.control_block_ && details::is_unary_node(expr.control_block_->expr); + } + + static inline bool is_binary(const expression& expr) + { + return expr.control_block_ && details::is_binary_node(expr.control_block_->expr); + } + + static inline bool is_function(const expression& expr) + { + return expr.control_block_ && details::is_function(expr.control_block_->expr); + } + + static inline bool is_vararg(const expression& expr) + { + return expr.control_block_ && details::is_vararg_node(expr.control_block_->expr); + } + + static inline bool is_null(const expression& expr) + { + return expr.control_block_ && details::is_null_node(expr.control_block_->expr); + } + + static inline bool is_assert(const expression& expr) + { + return expr.control_block_ && details::is_assert_node(expr.control_block_->expr); + } + + static inline bool is_sf3ext(const expression& expr) + { + return expr.control_block_ && details::is_sf3ext_node(expr.control_block_->expr); + } + + static inline bool is_sf4ext(const expression& expr) + { + return expr.control_block_ && details::is_sf4ext_node(expr.control_block_->expr); + } + + static inline bool is_type(const expression& expr, const node_types node_type) + { + if (0 == expr.control_block_) + { + return false; + } + + switch (node_type) + { + case e_literal : return is_literal_node(expr); + case e_variable : return is_variable (expr); + case e_string : return is_string (expr); + case e_unary : return is_unary (expr); + case e_binary : return is_binary (expr); + case e_function : return is_function (expr); + case e_null : return is_null (expr); + case e_assert : return is_assert (expr); + case e_sf3ext : return is_sf3ext (expr); + case e_sf4ext : return is_sf4ext (expr); + }; + + return false; + } + + static inline bool match_type_sequence(const expression& expr, const std::vector& type_seq) + { + if ((0 == expr.control_block_) || !is_vararg(expr)) + { + return false; + } + + typedef details::vararg_node > mo_vararg_t; + + mo_vararg_t* vnode = dynamic_cast(expr.control_block_->expr); + + if ( + (0 == vnode) || + type_seq.empty() || + (vnode->size() < type_seq.size()) + ) + { + return false; + } + + for (std::size_t i = 0; i < type_seq.size(); ++i) + { + assert((*vnode)[i]); + + switch (type_seq[i]) + { + case e_literal : { if (details::is_literal_node ((*vnode)[i])) continue; } break; + case e_variable : { if (details::is_variable_node ((*vnode)[i])) continue; } break; + case e_string : { if (details::is_generally_string_node((*vnode)[i])) continue; } break; + case e_unary : { if (details::is_unary_node ((*vnode)[i])) continue; } break; + case e_binary : { if (details::is_binary_node ((*vnode)[i])) continue; } break; + case e_function : { if (details::is_function ((*vnode)[i])) continue; } break; + case e_null : { if (details::is_null_node ((*vnode)[i])) continue; } break; + case e_assert : { if (details::is_assert_node ((*vnode)[i])) continue; } break; + case e_sf3ext : { if (details::is_sf3ext_node ((*vnode)[i])) continue; } break; + case e_sf4ext : { if (details::is_sf4ext_node ((*vnode)[i])) continue; } break; + case e_vararg : break; + } + + return false; + } + + return true; + } + }; + + template + inline bool is_valid(const expression& expr) + { + return expr.control_block_ && !expression_helper::is_null(expr); + } + + namespace parser_error + { + enum error_mode + { + e_unknown = 0, + e_syntax = 1, + e_token = 2, + e_numeric = 4, + e_symtab = 5, + e_lexer = 6, + e_synthesis = 7, + e_helper = 8, + e_parser = 9 + }; + + struct type + { + type() + : mode(parser_error::e_unknown) + , line_no (0) + , column_no(0) + {} + + lexer::token token; + error_mode mode; + std::string diagnostic; + std::string src_location; + std::string error_line; + std::size_t line_no; + std::size_t column_no; + }; + + inline type make_error(const error_mode mode, + const std::string& diagnostic = "", + const std::string& src_location = "") + { + type t; + t.mode = mode; + t.token.type = lexer::token::e_error; + t.diagnostic = diagnostic; + t.src_location = src_location; + exprtk_debug(("%s\n", diagnostic .c_str())); + return t; + } + + inline type make_error(const error_mode mode, + const lexer::token& tk, + const std::string& diagnostic = "", + const std::string& src_location = "") + { + type t; + t.mode = mode; + t.token = tk; + t.diagnostic = diagnostic; + t.src_location = src_location; + exprtk_debug(("%s\n", diagnostic .c_str())); + return t; + } + + inline std::string to_str(error_mode mode) + { + switch (mode) + { + case e_unknown : return std::string("Unknown Error"); + case e_syntax : return std::string("Syntax Error" ); + case e_token : return std::string("Token Error" ); + case e_numeric : return std::string("Numeric Error"); + case e_symtab : return std::string("Symbol Error" ); + case e_lexer : return std::string("Lexer Error" ); + case e_helper : return std::string("Helper Error" ); + case e_parser : return std::string("Parser Error" ); + default : return std::string("Unknown Error"); + } + } + + inline bool update_error(type& error, const std::string& expression) + { + if ( + expression.empty() || + (error.token.position > expression.size()) || + (std::numeric_limits::max() == error.token.position) + ) + { + return false; + } + + std::size_t error_line_start = 0; + + for (std::size_t i = error.token.position; i > 0; --i) + { + const details::char_t c = expression[i]; + + if (('\n' == c) || ('\r' == c)) + { + error_line_start = i + 1; + break; + } + } + + std::size_t next_nl_position = std::min(expression.size(), + expression.find_first_of('\n',error.token.position + 1)); + + error.column_no = error.token.position - error_line_start; + error.error_line = expression.substr(error_line_start, + next_nl_position - error_line_start); + + error.line_no = 0; + + for (std::size_t i = 0; i < next_nl_position; ++i) + { + if ('\n' == expression[i]) + ++error.line_no; + } + + return true; + } + + inline void dump_error(const type& error) + { + printf("Position: %02d Type: [%s] Msg: %s\n", + static_cast(error.token.position), + exprtk::parser_error::to_str(error.mode).c_str(), + error.diagnostic.c_str()); + } + } + + namespace details + { + template + inline void disable_type_checking(Parser& p) + { + p.state_.type_check_enabled = false; + } + } + + template + class parser : public lexer::parser_helper + { + private: + + enum precedence_level + { + e_level00, e_level01, e_level02, e_level03, e_level04, + e_level05, e_level06, e_level07, e_level08, e_level09, + e_level10, e_level11, e_level12, e_level13, e_level14 + }; + + typedef const T& cref_t; + typedef const T const_t; + typedef ifunction F; + typedef ivararg_function VAF; + typedef igeneric_function GF; + typedef ifunction ifunction_t; + typedef ivararg_function ivararg_function_t; + typedef igeneric_function igeneric_function_t; + typedef details::expression_node expression_node_t; + typedef details::literal_node literal_node_t; + typedef details::unary_node unary_node_t; + typedef details::binary_node binary_node_t; + typedef details::trinary_node trinary_node_t; + typedef details::quaternary_node quaternary_node_t; + typedef details::conditional_node conditional_node_t; + typedef details::cons_conditional_node cons_conditional_node_t; + typedef details::while_loop_node while_loop_node_t; + typedef details::repeat_until_loop_node repeat_until_loop_node_t; + typedef details::for_loop_node for_loop_node_t; + typedef details::while_loop_rtc_node while_loop_rtc_node_t; + typedef details::repeat_until_loop_rtc_node repeat_until_loop_rtc_node_t; + typedef details::for_loop_rtc_node for_loop_rtc_node_t; + #ifndef exprtk_disable_break_continue + typedef details::while_loop_bc_node while_loop_bc_node_t; + typedef details::repeat_until_loop_bc_node repeat_until_loop_bc_node_t; + typedef details::for_loop_bc_node for_loop_bc_node_t; + typedef details::while_loop_bc_rtc_node while_loop_bc_rtc_node_t; + typedef details::repeat_until_loop_bc_rtc_node repeat_until_loop_bc_rtc_node_t; + typedef details::for_loop_bc_rtc_node for_loop_bc_rtc_node_t; + #endif + typedef details::switch_node switch_node_t; + typedef details::variable_node variable_node_t; + typedef details::vector_elem_node vector_elem_node_t; + typedef details::vector_celem_node vector_celem_node_t; + typedef details::vector_elem_rtc_node vector_elem_rtc_node_t; + typedef details::vector_celem_rtc_node vector_celem_rtc_node_t; + typedef details::rebasevector_elem_node rebasevector_elem_node_t; + typedef details::rebasevector_celem_node rebasevector_celem_node_t; + typedef details::rebasevector_elem_rtc_node rebasevector_elem_rtc_node_t; + typedef details::rebasevector_celem_rtc_node rebasevector_celem_rtc_node_t; + typedef details::vector_node vector_node_t; + typedef details::vector_size_node vector_size_node_t; + typedef details::range_pack range_t; + #ifndef exprtk_disable_string_capabilities + typedef details::stringvar_node stringvar_node_t; + typedef details::string_literal_node string_literal_node_t; + typedef details::string_range_node string_range_node_t; + typedef details::const_string_range_node const_string_range_node_t; + typedef details::generic_string_range_node generic_string_range_node_t; + typedef details::string_concat_node string_concat_node_t; + typedef details::assignment_string_node assignment_string_node_t; + typedef details::assignment_string_range_node assignment_string_range_node_t; + typedef details::conditional_string_node conditional_string_node_t; + typedef details::cons_conditional_str_node cons_conditional_str_node_t; + #endif + typedef details::assignment_node assignment_node_t; + typedef details::assignment_vec_elem_node assignment_vec_elem_node_t; + typedef details::assignment_vec_elem_rtc_node assignment_vec_elem_rtc_node_t; + typedef details::assignment_rebasevec_elem_node assignment_rebasevec_elem_node_t; + typedef details::assignment_rebasevec_elem_rtc_node assignment_rebasevec_elem_rtc_node_t; + typedef details::assignment_rebasevec_celem_node assignment_rebasevec_celem_node_t; + typedef details::assignment_vec_node assignment_vec_node_t; + typedef details::assignment_vecvec_node assignment_vecvec_node_t; + typedef details::conditional_vector_node conditional_vector_node_t; + typedef details::scand_node scand_node_t; + typedef details::scor_node scor_node_t; + typedef lexer::token token_t; + typedef expression_node_t* expression_node_ptr; + typedef expression expression_t; + typedef symbol_table symbol_table_t; + typedef typename expression::symtab_list_t symbol_table_list_t; + typedef details::vector_holder vector_holder_t; + typedef vector_holder_t* vector_holder_ptr; + + typedef typename details::functor_t functor_t; + typedef typename functor_t::qfunc_t quaternary_functor_t; + typedef typename functor_t::tfunc_t trinary_functor_t; + typedef typename functor_t::bfunc_t binary_functor_t; + typedef typename functor_t::ufunc_t unary_functor_t; + + typedef details::operator_type operator_t; + + typedef std::map unary_op_map_t; + typedef std::map binary_op_map_t; + typedef std::map trinary_op_map_t; + + typedef std::map > sf3_map_t; + typedef std::map > sf4_map_t; + + typedef std::map inv_binary_op_map_t; + typedef std::multimap base_ops_map_t; + typedef std::set disabled_func_set_t; + + typedef details::T0oT1_define vov_t; + typedef details::T0oT1_define cov_t; + typedef details::T0oT1_define voc_t; + + typedef details::T0oT1oT2_define vovov_t; + typedef details::T0oT1oT2_define vovoc_t; + typedef details::T0oT1oT2_define vocov_t; + typedef details::T0oT1oT2_define covov_t; + typedef details::T0oT1oT2_define covoc_t; + typedef details::T0oT1oT2_define cocov_t; + typedef details::T0oT1oT2_define vococ_t; + + typedef details::T0oT1oT2oT3_define vovovov_t; + typedef details::T0oT1oT2oT3_define vovovoc_t; + typedef details::T0oT1oT2oT3_define vovocov_t; + typedef details::T0oT1oT2oT3_define vocovov_t; + typedef details::T0oT1oT2oT3_define covovov_t; + + typedef details::T0oT1oT2oT3_define covocov_t; + typedef details::T0oT1oT2oT3_define vocovoc_t; + typedef details::T0oT1oT2oT3_define covovoc_t; + typedef details::T0oT1oT2oT3_define vococov_t; + + typedef results_context results_context_t; + + typedef parser_helper prsrhlpr_t; + + struct scope_element + { + enum element_type + { + e_none , + e_literal , + e_variable, + e_vector , + e_vecelem , + e_string + }; + + typedef details::vector_holder vector_holder_t; + typedef literal_node_t* literal_node_ptr; + typedef variable_node_t* variable_node_ptr; + typedef vector_holder_t* vector_holder_ptr; + typedef expression_node_t* expression_node_ptr; + #ifndef exprtk_disable_string_capabilities + typedef stringvar_node_t* stringvar_node_ptr; + #endif + + scope_element() + : name("???") + , size (std::numeric_limits::max()) + , index(std::numeric_limits::max()) + , depth(std::numeric_limits::max()) + , ref_count(0) + , ip_index (0) + , type (e_none) + , active (false) + , data (0) + , var_node (0) + , vec_node (0) + #ifndef exprtk_disable_string_capabilities + , str_node(0) + #endif + {} + + bool operator < (const scope_element& se) const + { + if (ip_index < se.ip_index) + return true; + else if (ip_index > se.ip_index) + return false; + else if (depth < se.depth) + return true; + else if (depth > se.depth) + return false; + else if (index < se.index) + return true; + else if (index > se.index) + return false; + else + return (name < se.name); + } + + void clear() + { + name = "???"; + size = std::numeric_limits::max(); + index = std::numeric_limits::max(); + depth = std::numeric_limits::max(); + type = e_none; + active = false; + ref_count = 0; + ip_index = 0; + data = 0; + var_node = 0; + vec_node = 0; + #ifndef exprtk_disable_string_capabilities + str_node = 0; + #endif + } + + std::string name; + std::size_t size; + std::size_t index; + std::size_t depth; + std::size_t ref_count; + std::size_t ip_index; + element_type type; + bool active; + void* data; + expression_node_ptr var_node; + vector_holder_ptr vec_node; + #ifndef exprtk_disable_string_capabilities + stringvar_node_ptr str_node; + #endif + }; + + class scope_element_manager + { + public: + + typedef expression_node_t* expression_node_ptr; + typedef variable_node_t* variable_node_ptr; + typedef parser parser_t; + + explicit scope_element_manager(parser& p) + : parser_(p) + , input_param_cnt_(0) + , total_local_symb_size_bytes_(0) + {} + + inline std::size_t size() const + { + return element_.size(); + } + + inline bool empty() const + { + return element_.empty(); + } + + inline scope_element& get_element(const std::size_t& index) + { + if (index < element_.size()) + return element_[index]; + else + return null_element_; + } + + inline scope_element& get_element(const std::string& var_name, + const std::size_t index = std::numeric_limits::max()) + { + const std::size_t current_depth = parser_.state_.scope_depth; + + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& se = element_[i]; + + if (se.depth > current_depth) + continue; + else if ( + details::imatch(se.name, var_name) && + (se.index == index) + ) + return se; + } + + return null_element_; + } + + inline scope_element& get_active_element(const std::string& var_name, + const std::size_t index = std::numeric_limits::max()) + { + const std::size_t current_depth = parser_.state_.scope_depth; + + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& se = element_[i]; + + if (se.depth > current_depth) + continue; + else if ( + details::imatch(se.name, var_name) && + (se.index == index) && + (se.active) + ) + return se; + } + + return null_element_; + } + + inline bool add_element(const scope_element& se) + { + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& cse = element_[i]; + + if ( + details::imatch(cse.name, se.name) && + (cse.depth <= se.depth) && + (cse.index == se.index) && + (cse.size == se.size ) && + (cse.type == se.type ) && + (cse.active) + ) + return false; + } + + switch (se.type) + { + case scope_element::e_variable : total_local_symb_size_bytes_ += sizeof(T); + break; + + case scope_element::e_literal : total_local_symb_size_bytes_ += sizeof(T); + break; + + case scope_element::e_vector : total_local_symb_size_bytes_ += sizeof(T) * se.size; + break; + + default : break; + } + + element_.push_back(se); + std::sort(element_.begin(),element_.end()); + + return true; + } + + inline void deactivate(const std::size_t& scope_depth) + { + exprtk_debug(("deactivate() - Scope depth: %d\n", + static_cast(parser_.state_.scope_depth))); + + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& se = element_[i]; + + if (se.active && (se.depth >= scope_depth)) + { + exprtk_debug(("deactivate() - element[%02d] '%s'\n", + static_cast(i), + se.name.c_str())); + + se.active = false; + } + } + } + + inline void free_element(scope_element& se) + { + exprtk_debug(("free_element() - se[%s]\n", se.name.c_str())); + + switch (se.type) + { + case scope_element::e_literal : delete reinterpret_cast(se.data); + delete se.var_node; + break; + + case scope_element::e_variable : delete reinterpret_cast(se.data); + delete se.var_node; + break; + + case scope_element::e_vector : delete[] reinterpret_cast(se.data); + delete se.vec_node; + break; + + case scope_element::e_vecelem : delete se.var_node; + break; + + #ifndef exprtk_disable_string_capabilities + case scope_element::e_string : delete reinterpret_cast(se.data); + delete se.str_node; + break; + #endif + + default : return; + } + + se.clear(); + } + + inline void cleanup() + { + for (std::size_t i = 0; i < element_.size(); ++i) + { + free_element(element_[i]); + } + + element_.clear(); + + input_param_cnt_ = 0; + total_local_symb_size_bytes_ = 0; + } + + inline std::size_t total_local_symb_size_bytes() const + { + return total_local_symb_size_bytes_; + } + + inline std::size_t next_ip_index() + { + return ++input_param_cnt_; + } + + inline expression_node_ptr get_variable(const T& v) + { + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& se = element_[i]; + + if ( + se.active && + se.var_node && + details::is_variable_node(se.var_node) + ) + { + variable_node_ptr vn = reinterpret_cast(se.var_node); + + if (&(vn->ref()) == (&v)) + { + return se.var_node; + } + } + } + + return expression_node_ptr(0); + } + + inline std::string get_vector_name(const T* data) + { + for (std::size_t i = 0; i < element_.size(); ++i) + { + scope_element& se = element_[i]; + + if ( + se.active && + se.vec_node && + (se.vec_node->data() == data) + ) + { + return se.name; + } + } + + return "neo-vector"; + } + + private: + + scope_element_manager(const scope_element_manager&) exprtk_delete; + scope_element_manager& operator=(const scope_element_manager&) exprtk_delete; + + parser_t& parser_; + std::vector element_; + scope_element null_element_; + std::size_t input_param_cnt_; + std::size_t total_local_symb_size_bytes_; + }; + + class scope_handler + { + public: + + typedef parser parser_t; + + explicit scope_handler(parser& p) + : parser_(p) + { + parser_.state_.scope_depth++; + #ifdef exprtk_enable_debugging + const std::string depth(2 * parser_.state_.scope_depth,'-'); + exprtk_debug(("%s> Scope Depth: %02d\n", + depth.c_str(), + static_cast(parser_.state_.scope_depth))); + #endif + } + + ~scope_handler() + { + parser_.sem_.deactivate(parser_.state_.scope_depth); + parser_.state_.scope_depth--; + #ifdef exprtk_enable_debugging + const std::string depth(2 * parser_.state_.scope_depth,'-'); + exprtk_debug(("<%s Scope Depth: %02d\n", + depth.c_str(), + static_cast(parser_.state_.scope_depth))); + #endif + } + + private: + + scope_handler(const scope_handler&) exprtk_delete; + scope_handler& operator=(const scope_handler&) exprtk_delete; + + parser_t& parser_; + }; + + template + struct halfopen_range_policy + { + static inline bool is_within(const T_& v, const T_& begin, const T_& end) + { + assert(begin <= end); + return (begin <= v) && (v < end); + } + + static inline bool is_less(const T_& v, const T_& begin) + { + return (v < begin); + } + + static inline bool is_greater(const T_& v, const T_& end) + { + return (end <= v); + } + + static inline bool end_inclusive() + { + return false; + } + }; + + template + struct closed_range_policy + { + static inline bool is_within(const T_& v, const T_& begin, const T_& end) + { + assert(begin <= end); + return (begin <= v) && (v <= end); + } + + static inline bool is_less(const T_& v, const T_& begin) + { + return (v < begin); + } + + static inline bool is_greater(const T_& v, const T_& end) + { + return (end < v); + } + + static inline bool end_inclusive() + { + return true; + } + }; + + template > + class interval_container_t + { + public: + + typedef IntervalPointType interval_point_t; + typedef std::pair interval_t; + typedef std::map interval_map_t; + typedef typename interval_map_t::const_iterator interval_map_citr_t; + + std::size_t size() const + { + return interval_map_.size(); + } + + void reset() + { + interval_map_.clear(); + } + + bool in_interval(const interval_point_t point, interval_t& interval) const + { + interval_map_citr_t itr = RangePolicy::end_inclusive() ? + interval_map_.lower_bound(point): + interval_map_.upper_bound(point); + + for (; itr != interval_map_.end(); ++itr) + { + const interval_point_t& begin = itr->second.first; + const interval_point_t& end = itr->second.second; + + if (RangePolicy::is_within(point, begin, end)) + { + interval = interval_t(begin,end); + return true; + } + else if (RangePolicy::is_greater(point, end)) + { + break; + } + } + + return false; + } + + bool in_interval(const interval_point_t point) const + { + interval_t interval; + return in_interval(point,interval); + } + + bool add_interval(const interval_point_t begin, const interval_point_t end) + { + if ((end <= begin) || in_interval(begin) || in_interval(end)) + { + return false; + } + + interval_map_[end] = std::make_pair(begin, end); + + return true; + } + + bool add_interval(const interval_t interval) + { + return add_interval(interval.first, interval.second); + } + + private: + + interval_map_t interval_map_; + }; + + class stack_limit_handler + { + public: + + typedef parser parser_t; + + explicit stack_limit_handler(parser& p) + : parser_(p) + , limit_exceeded_(false) + { + if (++parser_.state_.stack_depth > parser_.settings_.max_stack_depth_) + { + limit_exceeded_ = true; + parser_.set_error(make_error( + parser_error::e_parser, + "ERR000 - Current stack depth " + details::to_str(parser_.state_.stack_depth) + + " exceeds maximum allowed stack depth of " + details::to_str(parser_.settings_.max_stack_depth_), + exprtk_error_location)); + } + } + + ~stack_limit_handler() + { + assert(parser_.state_.stack_depth > 0); + parser_.state_.stack_depth--; + } + + bool operator!() + { + return limit_exceeded_; + } + + private: + + stack_limit_handler(const stack_limit_handler&) exprtk_delete; + stack_limit_handler& operator=(const stack_limit_handler&) exprtk_delete; + + parser_t& parser_; + bool limit_exceeded_; + }; + + struct symtab_store + { + symbol_table_list_t symtab_list_; + + typedef typename symbol_table_t::local_data_t local_data_t; + typedef typename symbol_table_t::variable_ptr variable_ptr; + typedef typename symbol_table_t::function_ptr function_ptr; + #ifndef exprtk_disable_string_capabilities + typedef typename symbol_table_t::stringvar_ptr stringvar_ptr; + #endif + typedef typename symbol_table_t::vector_holder_ptr vector_holder_ptr; + typedef typename symbol_table_t::vararg_function_ptr vararg_function_ptr; + typedef typename symbol_table_t::generic_function_ptr generic_function_ptr; + + struct variable_context + { + variable_context() + : symbol_table(0) + , variable(0) + {} + + const symbol_table_t* symbol_table; + variable_ptr variable; + }; + + struct vector_context + { + vector_context() + : symbol_table(0) + , vector_holder(0) + {} + + const symbol_table_t* symbol_table; + vector_holder_ptr vector_holder; + }; + + #ifndef exprtk_disable_string_capabilities + struct string_context + { + string_context() + : symbol_table(0) + , str_var(0) + {} + + const symbol_table_t* symbol_table; + stringvar_ptr str_var; + }; + #endif + + inline bool empty() const + { + return symtab_list_.empty(); + } + + inline void clear() + { + symtab_list_.clear(); + } + + inline bool valid() const + { + if (!empty()) + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (symtab_list_[i].valid()) + return true; + } + } + + return false; + } + + inline bool valid_symbol(const std::string& symbol) const + { + if (!symtab_list_.empty()) + return symtab_list_[0].valid_symbol(symbol); + else + return false; + } + + inline bool valid_function_name(const std::string& symbol) const + { + if (!symtab_list_.empty()) + return symtab_list_[0].valid_function(symbol); + else + return false; + } + + inline variable_context get_variable_context(const std::string& variable_name) const + { + variable_context result; + + if (valid_symbol(variable_name)) + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + result.variable = local_data(i) + .variable_store.get(variable_name); + if (result.variable) + { + result.symbol_table = &symtab_list_[i]; + break; + } + } + } + + return result; + } + + inline variable_ptr get_variable(const std::string& variable_name) const + { + if (!valid_symbol(variable_name)) + return reinterpret_cast(0); + + variable_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i) + .variable_store.get(variable_name); + + if (result) break; + } + + return result; + } + + inline variable_ptr get_variable(const T& var_ref) const + { + variable_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i).variable_store + .get_from_varptr(reinterpret_cast(&var_ref)); + + if (result) break; + } + + return result; + } + + #ifndef exprtk_disable_string_capabilities + inline string_context get_string_context(const std::string& string_name) const + { + string_context result; + + if (!valid_symbol(string_name)) + return result; + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + result.str_var = local_data(i).stringvar_store.get(string_name); + + if (result.str_var) + { + result.symbol_table = &symtab_list_[i]; + break; + } + } + + return result; + } + + inline stringvar_ptr get_stringvar(const std::string& string_name) const + { + if (!valid_symbol(string_name)) + return reinterpret_cast(0); + + stringvar_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i) + .stringvar_store.get(string_name); + + if (result) break; + } + + return result; + } + #endif + + inline function_ptr get_function(const std::string& function_name) const + { + if (!valid_function_name(function_name)) + return reinterpret_cast(0); + + function_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i) + .function_store.get(function_name); + + if (result) break; + } + + return result; + } + + inline vararg_function_ptr get_vararg_function(const std::string& vararg_function_name) const + { + if (!valid_function_name(vararg_function_name)) + return reinterpret_cast(0); + + vararg_function_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i) + .vararg_function_store.get(vararg_function_name); + + if (result) break; + } + + return result; + } + + inline generic_function_ptr get_generic_function(const std::string& function_name) const + { + if (!valid_function_name(function_name)) + return reinterpret_cast(0); + + generic_function_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = local_data(i) + .generic_function_store.get(function_name); + + if (result) break; + } + + return result; + } + + inline generic_function_ptr get_string_function(const std::string& function_name) const + { + if (!valid_function_name(function_name)) + return reinterpret_cast(0); + + generic_function_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = + local_data(i).string_function_store.get(function_name); + + if (result) break; + } + + return result; + } + + inline generic_function_ptr get_overload_function(const std::string& function_name) const + { + if (!valid_function_name(function_name)) + return reinterpret_cast(0); + + generic_function_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else + result = + local_data(i).overload_function_store.get(function_name); + + if (result) break; + } + + return result; + } + + inline vector_context get_vector_context(const std::string& vector_name) const + { + vector_context result; + if (!valid_symbol(vector_name)) + return result; + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + result.vector_holder = local_data(i).vector_store.get(vector_name); + + if (result.vector_holder) + { + result.symbol_table = &symtab_list_[i]; + break; + } + } + + return result; + } + + inline vector_holder_ptr get_vector(const std::string& vector_name) const + { + if (!valid_symbol(vector_name)) + return reinterpret_cast(0); + + vector_holder_ptr result = reinterpret_cast(0); + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + result = local_data(i).vector_store.get(vector_name); + + if (result) + { + break; + } + } + + return result; + } + + inline bool is_constant_node(const std::string& symbol_name) const + { + if (!valid_symbol(symbol_name)) + return false; + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + if (local_data(i).variable_store.is_constant(symbol_name)) + { + return true; + } + } + + return false; + } + + #ifndef exprtk_disable_string_capabilities + inline bool is_constant_string(const std::string& symbol_name) const + { + if (!valid_symbol(symbol_name)) + return false; + + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if (!local_data(i).stringvar_store.symbol_exists(symbol_name)) + continue; + else if (local_data(i).stringvar_store.is_constant(symbol_name)) + return true; + } + + return false; + } + #endif + + inline bool symbol_exists(const std::string& symbol) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + { + continue; + } + + if (symtab_list_[i].symbol_exists(symbol)) + { + return true; + } + } + + return false; + } + + inline bool is_variable(const std::string& variable_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + symtab_list_[i].local_data().variable_store + .symbol_exists(variable_name) + ) + return true; + } + + return false; + } + + #ifndef exprtk_disable_string_capabilities + inline bool is_stringvar(const std::string& stringvar_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + symtab_list_[i].local_data().stringvar_store + .symbol_exists(stringvar_name) + ) + return true; + } + + return false; + } + + inline bool is_conststr_stringvar(const std::string& symbol_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + symtab_list_[i].local_data().stringvar_store + .symbol_exists(symbol_name) + ) + { + return ( + local_data(i).stringvar_store.symbol_exists(symbol_name) || + local_data(i).stringvar_store.is_constant (symbol_name) + ); + + } + } + + return false; + } + #endif + + inline bool is_function(const std::string& function_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + local_data(i).vararg_function_store + .symbol_exists(function_name) + ) + return true; + } + + return false; + } + + inline bool is_vararg_function(const std::string& vararg_function_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + local_data(i).vararg_function_store + .symbol_exists(vararg_function_name) + ) + return true; + } + + return false; + } + + inline bool is_vector(const std::string& vector_name) const + { + for (std::size_t i = 0; i < symtab_list_.size(); ++i) + { + if (!symtab_list_[i].valid()) + continue; + else if ( + local_data(i).vector_store + .symbol_exists(vector_name) + ) + return true; + } + + return false; + } + + inline std::string get_variable_name(const expression_node_ptr& ptr) const + { + return local_data().variable_store.entity_name(ptr); + } + + inline std::string get_vector_name(const vector_holder_ptr& ptr) const + { + return local_data().vector_store.entity_name(ptr); + } + + #ifndef exprtk_disable_string_capabilities + inline std::string get_stringvar_name(const expression_node_ptr& ptr) const + { + return local_data().stringvar_store.entity_name(ptr); + } + + inline std::string get_conststr_stringvar_name(const expression_node_ptr& ptr) const + { + return local_data().stringvar_store.entity_name(ptr); + } + #endif + + inline local_data_t& local_data(const std::size_t& index = 0) + { + return symtab_list_[index].local_data(); + } + + inline const local_data_t& local_data(const std::size_t& index = 0) const + { + return symtab_list_[index].local_data(); + } + + inline symbol_table_t& get_symbol_table(const std::size_t& index = 0) + { + return symtab_list_[index]; + } + }; + + struct parser_state + { + parser_state() + : type_check_enabled(true) + { + reset(); + } + + void reset() + { + parsing_return_stmt = false; + parsing_break_stmt = false; + parsing_assert_stmt = false; + return_stmt_present = false; + side_effect_present = false; + scope_depth = 0; + stack_depth = 0; + parsing_loop_stmt_count = 0; + } + + #ifndef exprtk_enable_debugging + void activate_side_effect(const std::string&) + #else + void activate_side_effect(const std::string& source) + #endif + { + if (!side_effect_present) + { + side_effect_present = true; + + exprtk_debug(("activate_side_effect() - caller: %s\n", source.c_str())); + } + } + + bool parsing_return_stmt; + bool parsing_break_stmt; + bool parsing_assert_stmt; + bool return_stmt_present; + bool side_effect_present; + bool type_check_enabled; + std::size_t scope_depth; + std::size_t stack_depth; + std::size_t parsing_loop_stmt_count; + }; + + public: + + struct unknown_symbol_resolver + { + + enum usr_symbol_type + { + e_usr_unknown_type = 0, + e_usr_variable_type = 1, + e_usr_constant_type = 2 + }; + + enum usr_mode + { + e_usrmode_default = 0, + e_usrmode_extended = 1 + }; + + usr_mode mode; + + explicit unknown_symbol_resolver(const usr_mode m = e_usrmode_default) + : mode(m) + {} + + virtual ~unknown_symbol_resolver() + {} + + virtual bool process(const std::string& /*unknown_symbol*/, + usr_symbol_type& st, + T& default_value, + std::string& error_message) + { + if (e_usrmode_default != mode) + return false; + + st = e_usr_variable_type; + default_value = T(0); + error_message.clear(); + + return true; + } + + virtual bool process(const std::string& /* unknown_symbol */, + symbol_table_t& /* symbol_table */, + std::string& /* error_message */) + { + return false; + } + }; + + enum collect_type + { + e_ct_none = 0, + e_ct_variables = 1, + e_ct_functions = 2, + e_ct_assignments = 4 + }; + + enum symbol_type + { + e_st_unknown = 0, + e_st_variable = 1, + e_st_vector = 2, + e_st_vecelem = 3, + e_st_string = 4, + e_st_function = 5, + e_st_local_variable = 6, + e_st_local_vector = 7, + e_st_local_string = 8 + }; + + class dependent_entity_collector + { + public: + + typedef std::pair symbol_t; + typedef std::vector symbol_list_t; + + explicit dependent_entity_collector(const std::size_t options = e_ct_none) + : options_(options) + , collect_variables_ ((options_ & e_ct_variables ) == e_ct_variables ) + , collect_functions_ ((options_ & e_ct_functions ) == e_ct_functions ) + , collect_assignments_((options_ & e_ct_assignments) == e_ct_assignments) + , return_present_ (false) + , final_stmt_return_(false) + {} + + template class Sequence> + inline std::size_t symbols(Sequence& symbols_list) + { + if (!collect_variables_ && !collect_functions_) + return 0; + else if (symbol_name_list_.empty()) + return 0; + + for (std::size_t i = 0; i < symbol_name_list_.size(); ++i) + { + details::case_normalise(symbol_name_list_[i].first); + } + + std::sort(symbol_name_list_.begin(), symbol_name_list_.end()); + + std::unique_copy + ( + symbol_name_list_.begin(), + symbol_name_list_.end (), + std::back_inserter(symbols_list) + ); + + return symbols_list.size(); + } + + template class Sequence> + inline std::size_t assignment_symbols(Sequence& assignment_list) + { + if (!collect_assignments_) + return 0; + else if (assignment_name_list_.empty()) + return 0; + + for (std::size_t i = 0; i < assignment_name_list_.size(); ++i) + { + details::case_normalise(assignment_name_list_[i].first); + } + + std::sort(assignment_name_list_.begin(),assignment_name_list_.end()); + + std::unique_copy + ( + assignment_name_list_.begin(), + assignment_name_list_.end (), + std::back_inserter(assignment_list) + ); + + return assignment_list.size(); + } + + void clear() + { + symbol_name_list_ .clear(); + assignment_name_list_.clear(); + retparam_list_ .clear(); + return_present_ = false; + final_stmt_return_ = false; + } + + bool& collect_variables() + { + return collect_variables_; + } + + bool& collect_functions() + { + return collect_functions_; + } + + bool& collect_assignments() + { + return collect_assignments_; + } + + bool return_present() const + { + return return_present_; + } + + bool final_stmt_return() const + { + return final_stmt_return_; + } + + typedef std::vector retparam_list_t; + + retparam_list_t return_param_type_list() const + { + return retparam_list_; + } + + private: + + inline void add_symbol(const std::string& symbol, const symbol_type st) + { + switch (st) + { + case e_st_variable : + case e_st_vector : + case e_st_string : + case e_st_local_variable : + case e_st_local_vector : + case e_st_local_string : if (collect_variables_) + symbol_name_list_ + .push_back(std::make_pair(symbol, st)); + break; + + case e_st_function : if (collect_functions_) + symbol_name_list_ + .push_back(std::make_pair(symbol, st)); + break; + + default : return; + } + } + + inline void add_assignment(const std::string& symbol, const symbol_type st) + { + switch (st) + { + case e_st_variable : + case e_st_vector : + case e_st_string : if (collect_assignments_) + assignment_name_list_ + .push_back(std::make_pair(symbol, st)); + break; + + default : return; + } + } + + std::size_t options_; + bool collect_variables_; + bool collect_functions_; + bool collect_assignments_; + bool return_present_; + bool final_stmt_return_; + symbol_list_t symbol_name_list_; + symbol_list_t assignment_name_list_; + retparam_list_t retparam_list_; + + friend class parser; + }; + + class settings_store + { + private: + + typedef std::set disabled_entity_set_t; + typedef disabled_entity_set_t::iterator des_itr_t; + + public: + + enum settings_compilation_options + { + e_unknown = 0, + e_replacer = 1, + e_joiner = 2, + e_numeric_check = 4, + e_bracket_check = 8, + e_sequence_check = 16, + e_commutative_check = 32, + e_strength_reduction = 64, + e_disable_vardef = 128, + e_collect_vars = 256, + e_collect_funcs = 512, + e_collect_assings = 1024, + e_disable_usr_on_rsrvd = 2048, + e_disable_zero_return = 4096 + }; + + enum settings_base_funcs + { + e_bf_unknown = 0, + e_bf_abs , e_bf_acos , e_bf_acosh , e_bf_asin , + e_bf_asinh , e_bf_atan , e_bf_atan2 , e_bf_atanh , + e_bf_avg , e_bf_ceil , e_bf_clamp , e_bf_cos , + e_bf_cosh , e_bf_cot , e_bf_csc , e_bf_equal , + e_bf_erf , e_bf_erfc , e_bf_exp , e_bf_expm1 , + e_bf_floor , e_bf_frac , e_bf_hypot , e_bf_iclamp , + e_bf_like , e_bf_log , e_bf_log10 , e_bf_log1p , + e_bf_log2 , e_bf_logn , e_bf_mand , e_bf_max , + e_bf_min , e_bf_mod , e_bf_mor , e_bf_mul , + e_bf_ncdf , e_bf_pow , e_bf_root , e_bf_round , + e_bf_roundn , e_bf_sec , e_bf_sgn , e_bf_sin , + e_bf_sinc , e_bf_sinh , e_bf_sqrt , e_bf_sum , + e_bf_swap , e_bf_tan , e_bf_tanh , e_bf_trunc , + e_bf_not_equal , e_bf_inrange , e_bf_deg2grad , e_bf_deg2rad , + e_bf_rad2deg , e_bf_grad2deg + }; + + enum settings_control_structs + { + e_ctrl_unknown = 0, + e_ctrl_ifelse, + e_ctrl_switch, + e_ctrl_for_loop, + e_ctrl_while_loop, + e_ctrl_repeat_loop, + e_ctrl_return + }; + + enum settings_logic_opr + { + e_logic_unknown = 0, + e_logic_and, e_logic_nand , e_logic_nor , + e_logic_not, e_logic_or , e_logic_xnor, + e_logic_xor, e_logic_scand, e_logic_scor + }; + + enum settings_arithmetic_opr + { + e_arith_unknown = 0, + e_arith_add, e_arith_sub, e_arith_mul, + e_arith_div, e_arith_mod, e_arith_pow + }; + + enum settings_assignment_opr + { + e_assign_unknown = 0, + e_assign_assign, e_assign_addass, e_assign_subass, + e_assign_mulass, e_assign_divass, e_assign_modass + }; + + enum settings_inequality_opr + { + e_ineq_unknown = 0, + e_ineq_lt , e_ineq_lte, e_ineq_eq , + e_ineq_equal, e_ineq_ne , e_ineq_nequal, + e_ineq_gte , e_ineq_gt + }; + + static const std::size_t default_compile_all_opts = + e_replacer + + e_joiner + + e_numeric_check + + e_bracket_check + + e_sequence_check + + e_commutative_check + + e_strength_reduction; + + settings_store(const std::size_t compile_options = default_compile_all_opts) + : max_stack_depth_(400) + , max_node_depth_(10000) + , max_total_local_symbol_size_bytes_(2000000000) + , max_local_vector_size_(max_total_local_symbol_size_bytes_ / sizeof(T)) + { + load_compile_options(compile_options); + } + + settings_store& enable_all_base_functions() + { + disabled_func_set_.clear(); + return (*this); + } + + settings_store& enable_all_control_structures() + { + disabled_ctrl_set_.clear(); + return (*this); + } + + settings_store& enable_all_logic_ops() + { + disabled_logic_set_.clear(); + return (*this); + } + + settings_store& enable_all_arithmetic_ops() + { + disabled_arithmetic_set_.clear(); + return (*this); + } + + settings_store& enable_all_assignment_ops() + { + disabled_assignment_set_.clear(); + return (*this); + } + + settings_store& enable_all_inequality_ops() + { + disabled_inequality_set_.clear(); + return (*this); + } + + settings_store& enable_local_vardef() + { + disable_vardef_ = false; + return (*this); + } + + settings_store& enable_commutative_check() + { + enable_commutative_check_ = true; + return (*this); + } + + settings_store& enable_strength_reduction() + { + enable_strength_reduction_ = true; + return (*this); + } + + settings_store& disable_all_base_functions() + { + std::copy(details::base_function_list, + details::base_function_list + details::base_function_list_size, + std::insert_iterator + (disabled_func_set_, disabled_func_set_.begin())); + return (*this); + } + + settings_store& disable_all_control_structures() + { + std::copy(details::cntrl_struct_list, + details::cntrl_struct_list + details::cntrl_struct_list_size, + std::insert_iterator + (disabled_ctrl_set_, disabled_ctrl_set_.begin())); + return (*this); + } + + settings_store& disable_all_logic_ops() + { + std::copy(details::logic_ops_list, + details::logic_ops_list + details::logic_ops_list_size, + std::insert_iterator + (disabled_logic_set_, disabled_logic_set_.begin())); + return (*this); + } + + settings_store& disable_all_arithmetic_ops() + { + std::copy(details::arithmetic_ops_list, + details::arithmetic_ops_list + details::arithmetic_ops_list_size, + std::insert_iterator + (disabled_arithmetic_set_, disabled_arithmetic_set_.begin())); + return (*this); + } + + settings_store& disable_all_assignment_ops() + { + std::copy(details::assignment_ops_list, + details::assignment_ops_list + details::assignment_ops_list_size, + std::insert_iterator + (disabled_assignment_set_, disabled_assignment_set_.begin())); + return (*this); + } + + settings_store& disable_all_inequality_ops() + { + std::copy(details::inequality_ops_list, + details::inequality_ops_list + details::inequality_ops_list_size, + std::insert_iterator + (disabled_inequality_set_, disabled_inequality_set_.begin())); + return (*this); + } + + settings_store& disable_local_vardef() + { + disable_vardef_ = true; + return (*this); + } + + settings_store& disable_commutative_check() + { + enable_commutative_check_ = false; + return (*this); + } + + settings_store& disable_strength_reduction() + { + enable_strength_reduction_ = false; + return (*this); + } + + bool replacer_enabled () const { return enable_replacer_; } + bool commutative_check_enabled () const { return enable_commutative_check_; } + bool joiner_enabled () const { return enable_joiner_; } + bool numeric_check_enabled () const { return enable_numeric_check_; } + bool bracket_check_enabled () const { return enable_bracket_check_; } + bool sequence_check_enabled () const { return enable_sequence_check_; } + bool strength_reduction_enabled () const { return enable_strength_reduction_; } + bool collect_variables_enabled () const { return enable_collect_vars_; } + bool collect_functions_enabled () const { return enable_collect_funcs_; } + bool collect_assignments_enabled() const { return enable_collect_assings_; } + bool vardef_disabled () const { return disable_vardef_; } + bool rsrvd_sym_usr_disabled () const { return disable_rsrvd_sym_usr_; } + bool zero_return_disabled () const { return disable_zero_return_; } + + bool function_enabled(const std::string& function_name) const + { + if (disabled_func_set_.empty()) + return true; + else + return (disabled_func_set_.end() == disabled_func_set_.find(function_name)); + } + + bool control_struct_enabled(const std::string& control_struct) const + { + if (disabled_ctrl_set_.empty()) + return true; + else + return (disabled_ctrl_set_.end() == disabled_ctrl_set_.find(control_struct)); + } + + bool logic_enabled(const std::string& logic_operation) const + { + if (disabled_logic_set_.empty()) + return true; + else + return (disabled_logic_set_.end() == disabled_logic_set_.find(logic_operation)); + } + + bool arithmetic_enabled(const details::operator_type& arithmetic_operation) const + { + if (disabled_logic_set_.empty()) + return true; + else + return disabled_arithmetic_set_.end() == disabled_arithmetic_set_ + .find(arith_opr_to_string(arithmetic_operation)); + } + + bool assignment_enabled(const details::operator_type& assignment) const + { + if (disabled_assignment_set_.empty()) + return true; + else + return disabled_assignment_set_.end() == disabled_assignment_set_ + .find(assign_opr_to_string(assignment)); + } + + bool inequality_enabled(const details::operator_type& inequality) const + { + if (disabled_inequality_set_.empty()) + return true; + else + return disabled_inequality_set_.end() == disabled_inequality_set_ + .find(inequality_opr_to_string(inequality)); + } + + bool function_disabled(const std::string& function_name) const + { + if (disabled_func_set_.empty()) + return false; + else + return (disabled_func_set_.end() != disabled_func_set_.find(function_name)); + } + + bool control_struct_disabled(const std::string& control_struct) const + { + if (disabled_ctrl_set_.empty()) + return false; + else + return (disabled_ctrl_set_.end() != disabled_ctrl_set_.find(control_struct)); + } + + bool logic_disabled(const std::string& logic_operation) const + { + if (disabled_logic_set_.empty()) + return false; + else + return (disabled_logic_set_.end() != disabled_logic_set_.find(logic_operation)); + } + + bool assignment_disabled(const details::operator_type assignment_operation) const + { + if (disabled_assignment_set_.empty()) + return false; + else + return disabled_assignment_set_.end() != disabled_assignment_set_ + .find(assign_opr_to_string(assignment_operation)); + } + + bool logic_disabled(const details::operator_type logic_operation) const + { + if (disabled_logic_set_.empty()) + return false; + else + return disabled_logic_set_.end() != disabled_logic_set_ + .find(logic_opr_to_string(logic_operation)); + } + + bool arithmetic_disabled(const details::operator_type arithmetic_operation) const + { + if (disabled_arithmetic_set_.empty()) + return false; + else + return disabled_arithmetic_set_.end() != disabled_arithmetic_set_ + .find(arith_opr_to_string(arithmetic_operation)); + } + + bool inequality_disabled(const details::operator_type& inequality) const + { + if (disabled_inequality_set_.empty()) + return false; + else + return disabled_inequality_set_.end() != disabled_inequality_set_ + .find(inequality_opr_to_string(inequality)); + } + + settings_store& disable_base_function(const settings_base_funcs bf) + { + if ( + (e_bf_unknown != bf) && + (static_cast(bf) < (details::base_function_list_size + 1)) + ) + { + disabled_func_set_.insert(details::base_function_list[bf - 1]); + } + + return (*this); + } + + settings_store& disable_control_structure(const settings_control_structs ctrl_struct) + { + if ( + (e_ctrl_unknown != ctrl_struct) && + (static_cast(ctrl_struct) < (details::cntrl_struct_list_size + 1)) + ) + { + disabled_ctrl_set_.insert(details::cntrl_struct_list[ctrl_struct - 1]); + } + + return (*this); + } + + settings_store& disable_logic_operation(const settings_logic_opr logic) + { + if ( + (e_logic_unknown != logic) && + (static_cast(logic) < (details::logic_ops_list_size + 1)) + ) + { + disabled_logic_set_.insert(details::logic_ops_list[logic - 1]); + } + + return (*this); + } + + settings_store& disable_arithmetic_operation(const settings_arithmetic_opr arithmetic) + { + if ( + (e_arith_unknown != arithmetic) && + (static_cast(arithmetic) < (details::arithmetic_ops_list_size + 1)) + ) + { + disabled_arithmetic_set_.insert(details::arithmetic_ops_list[arithmetic - 1]); + } + + return (*this); + } + + settings_store& disable_assignment_operation(const settings_assignment_opr assignment) + { + if ( + (e_assign_unknown != assignment) && + (static_cast(assignment) < (details::assignment_ops_list_size + 1)) + ) + { + disabled_assignment_set_.insert(details::assignment_ops_list[assignment - 1]); + } + + return (*this); + } + + settings_store& disable_inequality_operation(const settings_inequality_opr inequality) + { + if ( + (e_ineq_unknown != inequality) && + (static_cast(inequality) < (details::inequality_ops_list_size + 1)) + ) + { + disabled_inequality_set_.insert(details::inequality_ops_list[inequality - 1]); + } + + return (*this); + } + + settings_store& enable_base_function(const settings_base_funcs bf) + { + if ( + (e_bf_unknown != bf) && + (static_cast(bf) < (details::base_function_list_size + 1)) + ) + { + const des_itr_t itr = disabled_func_set_.find(details::base_function_list[bf - 1]); + + if (disabled_func_set_.end() != itr) + { + disabled_func_set_.erase(itr); + } + } + + return (*this); + } + + settings_store& enable_control_structure(const settings_control_structs ctrl_struct) + { + if ( + (e_ctrl_unknown != ctrl_struct) && + (static_cast(ctrl_struct) < (details::cntrl_struct_list_size + 1)) + ) + { + const des_itr_t itr = disabled_ctrl_set_.find(details::cntrl_struct_list[ctrl_struct - 1]); + + if (disabled_ctrl_set_.end() != itr) + { + disabled_ctrl_set_.erase(itr); + } + } + + return (*this); + } + + settings_store& enable_logic_operation(const settings_logic_opr logic) + { + if ( + (e_logic_unknown != logic) && + (static_cast(logic) < (details::logic_ops_list_size + 1)) + ) + { + const des_itr_t itr = disabled_logic_set_.find(details::logic_ops_list[logic - 1]); + + if (disabled_logic_set_.end() != itr) + { + disabled_logic_set_.erase(itr); + } + } + + return (*this); + } + + settings_store& enable_arithmetic_operation(const settings_arithmetic_opr arithmetic) + { + if ( + (e_arith_unknown != arithmetic) && + (static_cast(arithmetic) < (details::arithmetic_ops_list_size + 1)) + ) + { + const des_itr_t itr = disabled_arithmetic_set_.find(details::arithmetic_ops_list[arithmetic - 1]); + + if (disabled_arithmetic_set_.end() != itr) + { + disabled_arithmetic_set_.erase(itr); + } + } + + return (*this); + } + + settings_store& enable_assignment_operation(const settings_assignment_opr assignment) + { + if ( + (e_assign_unknown != assignment) && + (static_cast(assignment) < (details::assignment_ops_list_size + 1)) + ) + { + const des_itr_t itr = disabled_assignment_set_.find(details::assignment_ops_list[assignment - 1]); + + if (disabled_assignment_set_.end() != itr) + { + disabled_assignment_set_.erase(itr); + } + } + + return (*this); + } + + settings_store& enable_inequality_operation(const settings_inequality_opr inequality) + { + if ( + (e_ineq_unknown != inequality) && + (static_cast(inequality) < (details::inequality_ops_list_size + 1)) + ) + { + const des_itr_t itr = disabled_inequality_set_.find(details::inequality_ops_list[inequality - 1]); + + if (disabled_inequality_set_.end() != itr) + { + disabled_inequality_set_.erase(itr); + } + } + + return (*this); + } + + void set_max_stack_depth(const std::size_t max_stack_depth) + { + max_stack_depth_ = max_stack_depth; + } + + void set_max_node_depth(const std::size_t max_node_depth) + { + max_node_depth_ = max_node_depth; + } + + void set_max_local_vector_size(const std::size_t max_local_vector_size) + { + max_local_vector_size_ = max_local_vector_size; + } + + void set_max_total_local_symbol_size_bytes(const std::size_t max_total_lcl_symb_size) + { + max_total_local_symbol_size_bytes_ = max_total_lcl_symb_size; + } + + std::size_t max_stack_depth() const + { + return max_stack_depth_; + } + + std::size_t max_node_depth() const + { + return max_node_depth_; + } + + std::size_t max_local_vector_size() const + { + return max_local_vector_size_; + } + + std::size_t max_total_local_symbol_size_bytes() const + { + return max_total_local_symbol_size_bytes_; + } + + private: + + void load_compile_options(const std::size_t compile_options) + { + enable_replacer_ = (compile_options & e_replacer ) == e_replacer; + enable_joiner_ = (compile_options & e_joiner ) == e_joiner; + enable_numeric_check_ = (compile_options & e_numeric_check ) == e_numeric_check; + enable_bracket_check_ = (compile_options & e_bracket_check ) == e_bracket_check; + enable_sequence_check_ = (compile_options & e_sequence_check ) == e_sequence_check; + enable_commutative_check_ = (compile_options & e_commutative_check ) == e_commutative_check; + enable_strength_reduction_ = (compile_options & e_strength_reduction ) == e_strength_reduction; + enable_collect_vars_ = (compile_options & e_collect_vars ) == e_collect_vars; + enable_collect_funcs_ = (compile_options & e_collect_funcs ) == e_collect_funcs; + enable_collect_assings_ = (compile_options & e_collect_assings ) == e_collect_assings; + disable_vardef_ = (compile_options & e_disable_vardef ) == e_disable_vardef; + disable_rsrvd_sym_usr_ = (compile_options & e_disable_usr_on_rsrvd) == e_disable_usr_on_rsrvd; + disable_zero_return_ = (compile_options & e_disable_zero_return ) == e_disable_zero_return; + } + + std::string assign_opr_to_string(details::operator_type opr) const + { + switch (opr) + { + case details::e_assign : return ":="; + case details::e_addass : return "+="; + case details::e_subass : return "-="; + case details::e_mulass : return "*="; + case details::e_divass : return "/="; + case details::e_modass : return "%="; + default : return "" ; + } + } + + std::string arith_opr_to_string(details::operator_type opr) const + { + switch (opr) + { + case details::e_add : return "+"; + case details::e_sub : return "-"; + case details::e_mul : return "*"; + case details::e_div : return "/"; + case details::e_mod : return "%"; + case details::e_pow : return "^"; + default : return "" ; + } + } + + std::string inequality_opr_to_string(details::operator_type opr) const + { + switch (opr) + { + case details::e_lt : return "<" ; + case details::e_lte : return "<="; + case details::e_eq : return "=="; + case details::e_equal : return "=" ; + case details::e_ne : return "!="; + case details::e_nequal: return "<>"; + case details::e_gte : return ">="; + case details::e_gt : return ">" ; + default : return "" ; + } + } + + std::string logic_opr_to_string(details::operator_type opr) const + { + switch (opr) + { + case details::e_and : return "and" ; + case details::e_or : return "or" ; + case details::e_xor : return "xor" ; + case details::e_nand : return "nand"; + case details::e_nor : return "nor" ; + case details::e_xnor : return "xnor"; + case details::e_notl : return "not" ; + default : return "" ; + } + } + + bool enable_replacer_; + bool enable_joiner_; + bool enable_numeric_check_; + bool enable_bracket_check_; + bool enable_sequence_check_; + bool enable_commutative_check_; + bool enable_strength_reduction_; + bool enable_collect_vars_; + bool enable_collect_funcs_; + bool enable_collect_assings_; + bool disable_vardef_; + bool disable_rsrvd_sym_usr_; + bool disable_zero_return_; + + disabled_entity_set_t disabled_func_set_ ; + disabled_entity_set_t disabled_ctrl_set_ ; + disabled_entity_set_t disabled_logic_set_; + disabled_entity_set_t disabled_arithmetic_set_; + disabled_entity_set_t disabled_assignment_set_; + disabled_entity_set_t disabled_inequality_set_; + + std::size_t max_stack_depth_; + std::size_t max_node_depth_; + std::size_t max_total_local_symbol_size_bytes_; + std::size_t max_local_vector_size_; + + friend class parser; + }; + + typedef settings_store settings_t; + + explicit parser(const settings_t& settings = settings_t()) + : settings_(settings) + , resolve_unknown_symbol_(false) + , results_context_(0) + , unknown_symbol_resolver_(reinterpret_cast(0)) + #ifdef _MSC_VER + #pragma warning(push) + #pragma warning (disable:4355) + #endif + , sem_(*this) + #ifdef _MSC_VER + #pragma warning(pop) + #endif + , operator_joiner_2_(2) + , operator_joiner_3_(3) + , loop_runtime_check_(0) + , vector_access_runtime_check_(0) + , compilation_check_ptr_(0) + , assert_check_(0) + { + init_precompilation(); + + load_operations_map (base_ops_map_ ); + load_unary_operations_map (unary_op_map_ ); + load_binary_operations_map (binary_op_map_ ); + load_inv_binary_operations_map(inv_binary_op_map_); + load_sf3_map (sf3_map_ ); + load_sf4_map (sf4_map_ ); + + expression_generator_.init_synthesize_map(); + expression_generator_.set_parser(*this); + expression_generator_.set_uom (unary_op_map_ ); + expression_generator_.set_bom (binary_op_map_ ); + expression_generator_.set_ibom(inv_binary_op_map_); + expression_generator_.set_sf3m(sf3_map_ ); + expression_generator_.set_sf4m(sf4_map_ ); + expression_generator_.set_strength_reduction_state(settings_.strength_reduction_enabled()); + } + + ~parser() + {} + + inline void init_precompilation() + { + dec_.collect_variables() = + settings_.collect_variables_enabled(); + + dec_.collect_functions() = + settings_.collect_functions_enabled(); + + dec_.collect_assignments() = + settings_.collect_assignments_enabled(); + + if (settings_.replacer_enabled()) + { + symbol_replacer_.clear(); + symbol_replacer_.add_replace("true" , "1", lexer::token::e_number); + symbol_replacer_.add_replace("false", "0", lexer::token::e_number); + helper_assembly_.token_modifier_list.clear(); + helper_assembly_.register_modifier(&symbol_replacer_); + } + + if (settings_.commutative_check_enabled()) + { + for (std::size_t i = 0; i < details::reserved_words_size; ++i) + { + commutative_inserter_.ignore_symbol(details::reserved_words[i]); + } + + helper_assembly_.token_inserter_list.clear(); + helper_assembly_.register_inserter(&commutative_inserter_); + } + + if (settings_.joiner_enabled()) + { + helper_assembly_.token_joiner_list.clear(); + helper_assembly_.register_joiner(&operator_joiner_2_); + helper_assembly_.register_joiner(&operator_joiner_3_); + } + + if ( + settings_.numeric_check_enabled () || + settings_.bracket_check_enabled () || + settings_.sequence_check_enabled() + ) + { + helper_assembly_.token_scanner_list.clear(); + + if (settings_.numeric_check_enabled()) + { + helper_assembly_.register_scanner(&numeric_checker_); + } + + if (settings_.bracket_check_enabled()) + { + helper_assembly_.register_scanner(&bracket_checker_); + } + + if (settings_.sequence_check_enabled()) + { + helper_assembly_.register_scanner(&sequence_validator_ ); + helper_assembly_.register_scanner(&sequence_validator_3tkns_); + } + } + } + + inline bool compile(const std::string& expression_string, expression& expr) + { + state_ .reset(); + error_list_ .clear(); + brkcnt_list_ .clear(); + synthesis_error_ .clear(); + immutable_memory_map_.reset(); + immutable_symtok_map_.clear(); + current_state_stack_ .clear(); + assert_ids_ .clear(); + sem_ .cleanup(); + + return_cleanup(); + + if (!valid_settings()) + { + return false; + } + + expression_generator_.set_allocator(node_allocator_); + + if (expression_string.empty()) + { + set_error(make_error( + parser_error::e_syntax, + "ERR001 - Empty expression!", + exprtk_error_location)); + + return false; + } + + if (!init(expression_string)) + { + process_lexer_errors(); + return false; + } + + if (lexer().empty()) + { + set_error(make_error( + parser_error::e_syntax, + "ERR002 - Empty expression!", + exprtk_error_location)); + + return false; + } + + if (halt_compilation_check()) + { + exprtk_debug(("halt_compilation_check() - compile checkpoint 0\n")); + sem_.cleanup(); + return false; + } + + if (!run_assemblies()) + { + sem_.cleanup(); + return false; + } + + if (halt_compilation_check()) + { + exprtk_debug(("halt_compilation_check() - compile checkpoint 1\n")); + sem_.cleanup(); + return false; + } + + symtab_store_.symtab_list_ = expr.get_symbol_table_list(); + dec_.clear(); + + lexer().begin(); + + next_token(); + + expression_node_ptr e = parse_corpus(); + + if ((0 != e) && (token_t::e_eof == current_token().type)) + { + bool* retinvk_ptr = 0; + + if (state_.return_stmt_present) + { + dec_.return_present_ = true; + + e = expression_generator_ + .return_envelope(e, results_context_, retinvk_ptr); + } + + expr.set_expression(e); + expr.set_retinvk(retinvk_ptr); + + register_local_vars(expr); + register_return_results(expr); + + return !(!expr); + } + else + { + if (error_list_.empty()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR003 - Invalid expression encountered", + exprtk_error_location)); + } + + if ((0 != e) && branch_deletable(e)) + { + destroy_node(e); + } + + dec_.clear (); + sem_.cleanup (); + return_cleanup(); + + return false; + } + } + + inline expression_t compile(const std::string& expression_string, symbol_table_t& symtab) + { + expression_t expression; + expression.register_symbol_table(symtab); + compile(expression_string,expression); + return expression; + } + + void process_lexer_errors() + { + for (std::size_t i = 0; i < lexer().size(); ++i) + { + if (lexer()[i].is_error()) + { + std::string diagnostic = "ERR004 - "; + + switch (lexer()[i].type) + { + case lexer::token::e_error : diagnostic += "General token error"; + break; + + case lexer::token::e_err_symbol : diagnostic += "Symbol error"; + break; + + case lexer::token::e_err_number : diagnostic += "Invalid numeric token"; + break; + + case lexer::token::e_err_string : diagnostic += "Invalid string token"; + break; + + case lexer::token::e_err_sfunc : diagnostic += "Invalid special function token"; + break; + + default : diagnostic += "Unknown compiler error"; + } + + set_error(make_error( + parser_error::e_lexer, + lexer()[i], + diagnostic + ": " + lexer()[i].value, + exprtk_error_location)); + } + } + } + + inline bool run_assemblies() + { + if (settings_.commutative_check_enabled()) + { + helper_assembly_.run_inserters(lexer()); + } + + if (settings_.joiner_enabled()) + { + helper_assembly_.run_joiners(lexer()); + } + + if (settings_.replacer_enabled()) + { + helper_assembly_.run_modifiers(lexer()); + } + + if ( + settings_.numeric_check_enabled () || + settings_.bracket_check_enabled () || + settings_.sequence_check_enabled() + ) + { + if (!helper_assembly_.run_scanners(lexer())) + { + if (helper_assembly_.error_token_scanner) + { + lexer::helper::bracket_checker* bracket_checker_ptr = 0; + lexer::helper::numeric_checker* numeric_checker_ptr = 0; + lexer::helper::sequence_validator* sequence_validator_ptr = 0; + lexer::helper::sequence_validator_3tokens* sequence_validator3_ptr = 0; + + if (0 != (bracket_checker_ptr = dynamic_cast(helper_assembly_.error_token_scanner))) + { + set_error(make_error( + parser_error::e_token, + bracket_checker_ptr->error_token(), + "ERR005 - Mismatched brackets: '" + bracket_checker_ptr->error_token().value + "'", + exprtk_error_location)); + } + else if (0 != (numeric_checker_ptr = dynamic_cast*>(helper_assembly_.error_token_scanner))) + { + for (std::size_t i = 0; i < numeric_checker_ptr->error_count(); ++i) + { + lexer::token error_token = lexer()[numeric_checker_ptr->error_index(i)]; + + set_error(make_error( + parser_error::e_token, + error_token, + "ERR006 - Invalid numeric token: '" + error_token.value + "'", + exprtk_error_location)); + } + + if (numeric_checker_ptr->error_count()) + { + numeric_checker_ptr->clear_errors(); + } + } + else if (0 != (sequence_validator_ptr = dynamic_cast(helper_assembly_.error_token_scanner))) + { + for (std::size_t i = 0; i < sequence_validator_ptr->error_count(); ++i) + { + std::pair error_token = sequence_validator_ptr->error(i); + + set_error(make_error( + parser_error::e_token, + error_token.first, + "ERR007 - Invalid token sequence: '" + + error_token.first.value + "' and '" + + error_token.second.value + "'", + exprtk_error_location)); + } + + if (sequence_validator_ptr->error_count()) + { + sequence_validator_ptr->clear_errors(); + } + } + else if (0 != (sequence_validator3_ptr = dynamic_cast(helper_assembly_.error_token_scanner))) + { + for (std::size_t i = 0; i < sequence_validator3_ptr->error_count(); ++i) + { + std::pair error_token = sequence_validator3_ptr->error(i); + + set_error(make_error( + parser_error::e_token, + error_token.first, + "ERR008 - Invalid token sequence: '" + + error_token.first.value + "' and '" + + error_token.second.value + "'", + exprtk_error_location)); + } + + if (sequence_validator3_ptr->error_count()) + { + sequence_validator3_ptr->clear_errors(); + } + } + } + + return false; + } + } + + return true; + } + + inline settings_store& settings() + { + return settings_; + } + + inline parser_error::type get_error(const std::size_t& index) const + { + if (index < error_list_.size()) + { + return error_list_[index]; + } + + throw std::invalid_argument("parser::get_error() - Invalid error index specified"); + } + + inline std::string error() const + { + if (!error_list_.empty()) + { + return error_list_[0].diagnostic; + } + else + return std::string("No Error"); + } + + inline std::size_t error_count() const + { + return error_list_.size(); + } + + inline dependent_entity_collector& dec() + { + return dec_; + } + + inline std::size_t total_local_symbol_size_bytes() const + { + return sem_.total_local_symb_size_bytes(); + } + + inline bool replace_symbol(const std::string& old_symbol, const std::string& new_symbol) + { + if (!settings_.replacer_enabled()) + return false; + else if (details::is_reserved_word(old_symbol)) + return false; + else + return symbol_replacer_.add_replace(old_symbol,new_symbol,lexer::token::e_symbol); + } + + inline bool remove_replace_symbol(const std::string& symbol) + { + if (!settings_.replacer_enabled()) + return false; + else if (details::is_reserved_word(symbol)) + return false; + else + return symbol_replacer_.remove(symbol); + } + + inline void enable_unknown_symbol_resolver(unknown_symbol_resolver* usr = reinterpret_cast(0)) + { + resolve_unknown_symbol_ = true; + + if (usr) + unknown_symbol_resolver_ = usr; + else + unknown_symbol_resolver_ = &default_usr_; + } + + inline void enable_unknown_symbol_resolver(unknown_symbol_resolver& usr) + { + enable_unknown_symbol_resolver(&usr); + } + + inline void disable_unknown_symbol_resolver() + { + resolve_unknown_symbol_ = false; + unknown_symbol_resolver_ = &default_usr_; + } + + inline void register_loop_runtime_check(loop_runtime_check& lrtchk) + { + loop_runtime_check_ = &lrtchk; + } + + inline void register_vector_access_runtime_check(vector_access_runtime_check& vartchk) + { + vector_access_runtime_check_ = &vartchk; + } + + inline void register_compilation_timeout_check(compilation_check& compchk) + { + compilation_check_ptr_ = &compchk; + } + + inline void register_assert_check(assert_check& assrt_chck) + { + assert_check_ = &assrt_chck; + } + + inline void clear_loop_runtime_check() + { + loop_runtime_check_ = loop_runtime_check_ptr(0); + } + + inline void clear_vector_access_runtime_check() + { + vector_access_runtime_check_ = vector_access_runtime_check_ptr(0); + } + + inline void clear_compilation_timeout_check() + { + compilation_check_ptr_ = compilation_check_ptr(0); + } + + inline void clear_assert_check() + { + assert_check_ = assert_check_ptr(0); + } + + private: + + inline bool valid_base_operation(const std::string& symbol) const + { + const std::size_t length = symbol.size(); + + if ( + (length < 3) || // Shortest base op symbol length + (length > 9) // Longest base op symbol length + ) + return false; + else + return settings_.function_enabled(symbol) && + (base_ops_map_.end() != base_ops_map_.find(symbol)); + } + + inline bool valid_vararg_operation(const std::string& symbol) const + { + static const std::string s_sum = "sum" ; + static const std::string s_mul = "mul" ; + static const std::string s_avg = "avg" ; + static const std::string s_min = "min" ; + static const std::string s_max = "max" ; + static const std::string s_mand = "mand"; + static const std::string s_mor = "mor" ; + static const std::string s_multi = "~" ; + static const std::string s_mswitch = "[*]" ; + + return + ( + details::imatch(symbol,s_sum ) || + details::imatch(symbol,s_mul ) || + details::imatch(symbol,s_avg ) || + details::imatch(symbol,s_min ) || + details::imatch(symbol,s_max ) || + details::imatch(symbol,s_mand ) || + details::imatch(symbol,s_mor ) || + details::imatch(symbol,s_multi ) || + details::imatch(symbol,s_mswitch) + ) && + settings_.function_enabled(symbol); + } + + bool is_invalid_logic_operation(const details::operator_type operation) const + { + return settings_.logic_disabled(operation); + } + + bool is_invalid_arithmetic_operation(const details::operator_type operation) const + { + return settings_.arithmetic_disabled(operation); + } + + bool is_invalid_assignment_operation(const details::operator_type operation) const + { + return settings_.assignment_disabled(operation); + } + + bool is_invalid_inequality_operation(const details::operator_type operation) const + { + return settings_.inequality_disabled(operation); + } + + #ifdef exprtk_enable_debugging + inline void next_token() + { + const std::string ct_str = current_token().value; + const std::size_t ct_pos = current_token().position; + parser_helper::next_token(); + const std::string depth(2 * state_.scope_depth,' '); + exprtk_debug(("%s" + "prev[%s | %04d] --> curr[%s | %04d] stack_level: %3d\n", + depth.c_str(), + ct_str.c_str(), + static_cast(ct_pos), + current_token().value.c_str(), + static_cast(current_token().position), + static_cast(state_.stack_depth))); + } + #endif + + inline expression_node_ptr parse_corpus() + { + std::vector arg_list; + std::vector side_effect_list; + + scoped_vec_delete svd((*this), arg_list); + + lexer::token begin_token; + lexer::token end_token; + + for ( ; ; ) + { + state_.side_effect_present = false; + + begin_token = current_token(); + + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + { + if (error_list_.empty()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR009 - Invalid expression encountered", + exprtk_error_location)); + } + + return error_node(); + } + else + { + arg_list.push_back(arg); + + side_effect_list.push_back(state_.side_effect_present); + + end_token = current_token(); + + const std::string sub_expr = construct_subexpr(begin_token, end_token); + + exprtk_debug(("parse_corpus(%02d) Subexpr: %s\n", + static_cast(arg_list.size() - 1), + sub_expr.c_str())); + + exprtk_debug(("parse_corpus(%02d) - Side effect present: %s\n", + static_cast(arg_list.size() - 1), + state_.side_effect_present ? "true" : "false")); + + exprtk_debug(("-------------------------------------------------\n")); + } + + if (token_is(token_t::e_eof,prsrhlpr_t::e_hold)) + { + if (lexer().finished()) + break; + else + next_token(); + } + else if ( + !settings_.commutative_check_enabled() && + ( + current_token().type == token_t::e_symbol || + current_token().type == token_t::e_number || + current_token().type == token_t::e_string || + token_is_bracket(prsrhlpr_t::e_hold) + ) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR010 - Invalid syntax '" + current_token().value + "' possible missing operator or context", + exprtk_error_location)); + + return error_node(); + } + } + + if ( + !arg_list.empty() && + is_return_node(arg_list.back()) + ) + { + dec_.final_stmt_return_ = true; + } + + const expression_node_ptr result = simplify(arg_list,side_effect_list); + + svd.delete_ptr = (0 == result); + + return result; + } + + std::string construct_subexpr(lexer::token& begin_token, + lexer::token& end_token, + const bool cleanup_whitespace = true) + { + std::string result = lexer().substr(begin_token.position,end_token.position); + if (cleanup_whitespace) + { + for (std::size_t i = 0; i < result.size(); ++i) + { + if (details::is_whitespace(result[i])) result[i] = ' '; + } + } + + return result; + } + + static const precedence_level default_precedence = e_level00; + + struct state_t + { + inline void set(const precedence_level& l, + const precedence_level& r, + const details::operator_type& o, + const token_t tkn = token_t()) + { + left = l; + right = r; + operation = o; + token = tkn; + } + + inline void reset() + { + left = e_level00; + right = e_level00; + operation = details::e_default; + } + + precedence_level left; + precedence_level right; + details::operator_type operation; + token_t token; + }; + + inline void push_current_state(const state_t current_state) + { + current_state_stack_.push_back(current_state); + } + + inline void pop_current_state() + { + if (!current_state_stack_.empty()) + { + current_state_stack_.pop_back(); + } + } + + inline state_t current_state() const + { + return (!current_state_stack_.empty()) ? + current_state_stack_.back() : + state_t(); + } + + inline bool halt_compilation_check() + { + compilation_check::compilation_context context; + + if (compilation_check_ptr_ && !compilation_check_ptr_->continue_compilation(context)) + { + const std::string error_message = + !context.error_message.empty() ? " Details: " + context.error_message : ""; + + set_error(make_error( + parser_error::e_parser, + token_t(), + "ERR011 - Internal compilation check failed." + error_message, + exprtk_error_location)); + + return true; + } + + return false; + } + + inline expression_node_ptr parse_expression(precedence_level precedence = e_level00) + { + if (halt_compilation_check()) + { + exprtk_debug(("halt_compilation_check() - parse_expression checkpoint 2\n")); + return error_node(); + } + + stack_limit_handler slh(*this); + + if (!slh) + { + return error_node(); + } + + expression_node_ptr expression = parse_branch(precedence); + + if (0 == expression) + { + return error_node(); + } + + if (token_is(token_t::e_eof,prsrhlpr_t::e_hold)) + { + return expression; + } + + bool break_loop = false; + + state_t current_state; + + for ( ; ; ) + { + current_state.reset(); + + switch (current_token().type) + { + case token_t::e_assign : current_state.set(e_level00, e_level00, details::e_assign, current_token()); break; + case token_t::e_addass : current_state.set(e_level00, e_level00, details::e_addass, current_token()); break; + case token_t::e_subass : current_state.set(e_level00, e_level00, details::e_subass, current_token()); break; + case token_t::e_mulass : current_state.set(e_level00, e_level00, details::e_mulass, current_token()); break; + case token_t::e_divass : current_state.set(e_level00, e_level00, details::e_divass, current_token()); break; + case token_t::e_modass : current_state.set(e_level00, e_level00, details::e_modass, current_token()); break; + case token_t::e_swap : current_state.set(e_level00, e_level00, details::e_swap , current_token()); break; + case token_t::e_lt : current_state.set(e_level05, e_level06, details::e_lt , current_token()); break; + case token_t::e_lte : current_state.set(e_level05, e_level06, details::e_lte , current_token()); break; + case token_t::e_eq : current_state.set(e_level05, e_level06, details::e_eq , current_token()); break; + case token_t::e_ne : current_state.set(e_level05, e_level06, details::e_ne , current_token()); break; + case token_t::e_gte : current_state.set(e_level05, e_level06, details::e_gte , current_token()); break; + case token_t::e_gt : current_state.set(e_level05, e_level06, details::e_gt , current_token()); break; + case token_t::e_add : current_state.set(e_level07, e_level08, details::e_add , current_token()); break; + case token_t::e_sub : current_state.set(e_level07, e_level08, details::e_sub , current_token()); break; + case token_t::e_div : current_state.set(e_level10, e_level11, details::e_div , current_token()); break; + case token_t::e_mul : current_state.set(e_level10, e_level11, details::e_mul , current_token()); break; + case token_t::e_mod : current_state.set(e_level10, e_level11, details::e_mod , current_token()); break; + case token_t::e_pow : current_state.set(e_level12, e_level12, details::e_pow , current_token()); break; + default : + if (token_t::e_symbol == current_token().type) + { + static const std::string s_and = "and" ; + static const std::string s_nand = "nand" ; + static const std::string s_or = "or" ; + static const std::string s_nor = "nor" ; + static const std::string s_xor = "xor" ; + static const std::string s_xnor = "xnor" ; + static const std::string s_in = "in" ; + static const std::string s_like = "like" ; + static const std::string s_ilike = "ilike"; + static const std::string s_and1 = "&" ; + static const std::string s_or1 = "|" ; + static const std::string s_not = "not" ; + + if (details::imatch(current_token().value,s_and)) + { + current_state.set(e_level03, e_level04, details::e_and, current_token()); + break; + } + else if (details::imatch(current_token().value,s_and1)) + { + #ifndef exprtk_disable_sc_andor + current_state.set(e_level03, e_level04, details::e_scand, current_token()); + #else + current_state.set(e_level03, e_level04, details::e_and, current_token()); + #endif + break; + } + else if (details::imatch(current_token().value,s_nand)) + { + current_state.set(e_level03, e_level04, details::e_nand, current_token()); + break; + } + else if (details::imatch(current_token().value,s_or)) + { + current_state.set(e_level01, e_level02, details::e_or, current_token()); + break; + } + else if (details::imatch(current_token().value,s_or1)) + { + #ifndef exprtk_disable_sc_andor + current_state.set(e_level01, e_level02, details::e_scor, current_token()); + #else + current_state.set(e_level01, e_level02, details::e_or, current_token()); + #endif + break; + } + else if (details::imatch(current_token().value,s_nor)) + { + current_state.set(e_level01, e_level02, details::e_nor, current_token()); + break; + } + else if (details::imatch(current_token().value,s_xor)) + { + current_state.set(e_level01, e_level02, details::e_xor, current_token()); + break; + } + else if (details::imatch(current_token().value,s_xnor)) + { + current_state.set(e_level01, e_level02, details::e_xnor, current_token()); + break; + } + else if (details::imatch(current_token().value,s_in)) + { + current_state.set(e_level04, e_level04, details::e_in, current_token()); + break; + } + else if (details::imatch(current_token().value,s_like)) + { + current_state.set(e_level04, e_level04, details::e_like, current_token()); + break; + } + else if (details::imatch(current_token().value,s_ilike)) + { + current_state.set(e_level04, e_level04, details::e_ilike, current_token()); + break; + } + else if (details::imatch(current_token().value,s_not)) + { + break; + } + } + + break_loop = true; + } + + if (break_loop) + { + parse_pending_string_rangesize(expression); + break; + } + else if (current_state.left < precedence) + break; + + const lexer::token prev_token = current_token(); + + next_token(); + + expression_node_ptr right_branch = error_node(); + expression_node_ptr new_expression = error_node(); + + if (is_invalid_logic_operation(current_state.operation)) + { + free_node(node_allocator_, expression); + + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR012 - Invalid or disabled logic operation '" + details::to_str(current_state.operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_arithmetic_operation(current_state.operation)) + { + free_node(node_allocator_, expression); + + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR013 - Invalid or disabled arithmetic operation '" + details::to_str(current_state.operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_inequality_operation(current_state.operation)) + { + free_node(node_allocator_, expression); + + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR014 - Invalid inequality operation '" + details::to_str(current_state.operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_assignment_operation(current_state.operation)) + { + free_node(node_allocator_, expression); + + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR015 - Invalid or disabled assignment operation '" + details::to_str(current_state.operation) + "'", + exprtk_error_location)); + + return error_node(); + } + + if (0 != (right_branch = parse_expression(current_state.right))) + { + if ( + details::is_return_node(expression ) || + details::is_return_node(right_branch) + ) + { + free_node(node_allocator_, expression ); + free_node(node_allocator_, right_branch); + + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR016 - Return statements cannot be part of sub-expressions", + exprtk_error_location)); + + return error_node(); + } + + push_current_state(current_state); + + new_expression = expression_generator_ + ( + current_state.operation, + expression, + right_branch + ); + + pop_current_state(); + } + + if (0 == new_expression) + { + if (error_list_.empty()) + { + set_error(make_error( + parser_error::e_syntax, + prev_token, + !synthesis_error_.empty() ? + synthesis_error_ : + "ERR017 - General parsing error at token: '" + prev_token.value + "'", + exprtk_error_location)); + } + + free_node(node_allocator_, expression ); + free_node(node_allocator_, right_branch); + + return error_node(); + } + else + { + if ( + token_is(token_t::e_ternary,prsrhlpr_t::e_hold) && + (e_level00 == precedence) + ) + { + expression = parse_ternary_conditional_statement(new_expression); + } + else + expression = new_expression; + + parse_pending_string_rangesize(expression); + } + } + + if ((0 != expression) && (expression->node_depth() > settings_.max_node_depth_)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR018 - Expression depth of " + details::to_str(static_cast(expression->node_depth())) + + " exceeds maximum allowed expression depth of " + details::to_str(static_cast(settings_.max_node_depth_)), + exprtk_error_location)); + + free_node(node_allocator_, expression); + + return error_node(); + } + else if ( + !settings_.commutative_check_enabled() && + !details::is_logic_opr(current_token().value) && + (current_state.operation == details::e_default) && + ( + current_token().type == token_t::e_symbol || + current_token().type == token_t::e_number || + current_token().type == token_t::e_string + ) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR019 - Invalid syntax '" + current_token().value + "' possible missing operator or context", + exprtk_error_location)); + + free_node(node_allocator_, expression); + + return error_node(); + } + + return expression; + } + + bool simplify_unary_negation_branch(expression_node_ptr& node) + { + { + typedef details::unary_branch_node > ubn_t; + ubn_t* n = dynamic_cast(node); + + if (n) + { + expression_node_ptr un_r = n->branch(0); + n->release(); + free_node(node_allocator_, node); + node = un_r; + + return true; + } + } + + { + typedef details::unary_variable_node > uvn_t; + + uvn_t* n = dynamic_cast(node); + + if (n) + { + const T& v = n->v(); + expression_node_ptr return_node = error_node(); + + if ( + (0 != (return_node = symtab_store_.get_variable(v))) || + (0 != (return_node = sem_ .get_variable(v))) + ) + { + free_node(node_allocator_, node); + node = return_node; + + return true; + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR020 - Failed to find variable node in symbol table", + exprtk_error_location)); + + free_node(node_allocator_, node); + + return false; + } + } + } + + return false; + } + + static inline expression_node_ptr error_node() + { + return reinterpret_cast(0); + } + + struct scoped_expression_delete + { + scoped_expression_delete(parser& pr, expression_node_ptr& expression) + : delete_ptr(true) + , parser_(pr) + , expression_(expression) + {} + + ~scoped_expression_delete() + { + if (delete_ptr) + { + free_node(parser_.node_allocator_, expression_); + } + } + + bool delete_ptr; + parser& parser_; + expression_node_ptr& expression_; + + private: + + scoped_expression_delete(const scoped_expression_delete&) exprtk_delete; + scoped_expression_delete& operator=(const scoped_expression_delete&) exprtk_delete; + }; + + template + struct scoped_delete + { + typedef Type* ptr_t; + + scoped_delete(parser& pr, ptr_t& p) + : delete_ptr(true) + , parser_(pr) + , p_(&p) + {} + + scoped_delete(parser& pr, ptr_t (&p)[N]) + : delete_ptr(true) + , parser_(pr) + , p_(&p[0]) + {} + + ~scoped_delete() + { + if (delete_ptr) + { + for (std::size_t i = 0; i < N; ++i) + { + free_node(parser_.node_allocator_, p_[i]); + } + } + } + + bool delete_ptr; + parser& parser_; + ptr_t* p_; + + private: + + scoped_delete(const scoped_delete&) exprtk_delete; + scoped_delete& operator=(const scoped_delete&) exprtk_delete; + }; + + template + struct scoped_deq_delete + { + typedef Type* ptr_t; + + scoped_deq_delete(parser& pr, std::deque& deq) + : delete_ptr(true) + , parser_(pr) + , deq_(deq) + {} + + ~scoped_deq_delete() + { + if (delete_ptr && !deq_.empty()) + { + for (std::size_t i = 0; i < deq_.size(); ++i) + { + exprtk_debug(("~scoped_deq_delete() - deleting node: %p\n", reinterpret_cast(deq_[i]))); + free_node(parser_.node_allocator_,deq_[i]); + } + + deq_.clear(); + } + } + + bool delete_ptr; + parser& parser_; + std::deque& deq_; + + private: + + scoped_deq_delete(const scoped_deq_delete&) exprtk_delete; + scoped_deq_delete& operator=(const scoped_deq_delete&) exprtk_delete; + }; + + template + struct scoped_vec_delete + { + typedef Type* ptr_t; + + scoped_vec_delete(parser& pr, std::vector& vec) + : delete_ptr(true) + , parser_(pr) + , vec_(vec) + {} + + ~scoped_vec_delete() + { + if (delete_ptr && !vec_.empty()) + { + for (std::size_t i = 0; i < vec_.size(); ++i) + { + exprtk_debug(("~scoped_vec_delete() - deleting node: %p\n", reinterpret_cast(vec_[i]))); + free_node(parser_.node_allocator_,vec_[i]); + } + + vec_.clear(); + } + } + + ptr_t operator[](const std::size_t index) + { + return vec_[index]; + } + + bool delete_ptr; + parser& parser_; + std::vector& vec_; + + private: + + scoped_vec_delete(const scoped_vec_delete&) exprtk_delete; + scoped_vec_delete& operator=(const scoped_vec_delete&) exprtk_delete; + }; + + struct scoped_bool_negator + { + explicit scoped_bool_negator(bool& bb) + : b(bb) + { b = !b; } + + ~scoped_bool_negator() + { b = !b; } + + bool& b; + }; + + struct scoped_bool_or_restorer + { + explicit scoped_bool_or_restorer(bool& bb) + : b(bb) + , original_value_(bb) + {} + + ~scoped_bool_or_restorer() + { + b = b || original_value_; + } + + bool& b; + bool original_value_; + }; + + struct scoped_inc_dec + { + explicit scoped_inc_dec(std::size_t& v) + : v_(v) + { ++v_; } + + ~scoped_inc_dec() + { + assert(v_ > 0); + --v_; + } + + std::size_t& v_; + }; + + inline expression_node_ptr parse_function_invocation(ifunction* function, const std::string& function_name) + { + expression_node_ptr func_node = reinterpret_cast(0); + + switch (function->param_count) + { + case 0 : func_node = parse_function_call_0 (function,function_name); break; + case 1 : func_node = parse_function_call< 1>(function,function_name); break; + case 2 : func_node = parse_function_call< 2>(function,function_name); break; + case 3 : func_node = parse_function_call< 3>(function,function_name); break; + case 4 : func_node = parse_function_call< 4>(function,function_name); break; + case 5 : func_node = parse_function_call< 5>(function,function_name); break; + case 6 : func_node = parse_function_call< 6>(function,function_name); break; + case 7 : func_node = parse_function_call< 7>(function,function_name); break; + case 8 : func_node = parse_function_call< 8>(function,function_name); break; + case 9 : func_node = parse_function_call< 9>(function,function_name); break; + case 10 : func_node = parse_function_call<10>(function,function_name); break; + case 11 : func_node = parse_function_call<11>(function,function_name); break; + case 12 : func_node = parse_function_call<12>(function,function_name); break; + case 13 : func_node = parse_function_call<13>(function,function_name); break; + case 14 : func_node = parse_function_call<14>(function,function_name); break; + case 15 : func_node = parse_function_call<15>(function,function_name); break; + case 16 : func_node = parse_function_call<16>(function,function_name); break; + case 17 : func_node = parse_function_call<17>(function,function_name); break; + case 18 : func_node = parse_function_call<18>(function,function_name); break; + case 19 : func_node = parse_function_call<19>(function,function_name); break; + case 20 : func_node = parse_function_call<20>(function,function_name); break; + default : { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR021 - Invalid number of parameters for function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + } + + if (func_node) + return func_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR022 - Failed to generate call to function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + } + + template + inline expression_node_ptr parse_function_call(ifunction* function, const std::string& function_name) + { + #ifdef _MSC_VER + #pragma warning(push) + #pragma warning(disable: 4127) + #endif + if (0 == NumberofParameters) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR023 - Expecting ifunction '" + function_name + "' to have non-zero parameter count", + exprtk_error_location)); + + return error_node(); + } + #ifdef _MSC_VER + #pragma warning(pop) + #endif + + expression_node_ptr branch[NumberofParameters]; + expression_node_ptr result = error_node(); + + std::fill_n(branch, NumberofParameters, reinterpret_cast(0)); + + scoped_delete sd((*this),branch); + + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR024 - Expecting argument list for function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + + for (int i = 0; i < static_cast(NumberofParameters); ++i) + { + branch[i] = parse_expression(); + + if (0 == branch[i]) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR025 - Failed to parse argument " + details::to_str(i) + " for function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (i < static_cast(NumberofParameters - 1)) + { + if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR026 - Invalid number of arguments for function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + + if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR027 - Invalid number of arguments for function: '" + function_name + "'", + exprtk_error_location)); + + return error_node(); + } + else + result = expression_generator_.function(function,branch); + + sd.delete_ptr = (0 == result); + + return result; + } + + inline expression_node_ptr parse_function_call_0(ifunction* function, const std::string& function_name) + { + expression_node_ptr result = expression_generator_.function(function); + + state_.side_effect_present = function->has_side_effects(); + + next_token(); + + if ( + token_is(token_t::e_lbracket) && + !token_is(token_t::e_rbracket) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR028 - Expecting '()' to proceed call to function: '" + function_name + "'", + exprtk_error_location)); + + free_node(node_allocator_, result); + + return error_node(); + } + else + return result; + } + + template + inline std::size_t parse_base_function_call(expression_node_ptr (¶m_list)[MaxNumberofParameters], const std::string& function_name = "") + { + std::fill_n(param_list, MaxNumberofParameters, reinterpret_cast(0)); + + scoped_delete sd((*this),param_list); + + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR029 - Expected a '(' at start of function call to '" + function_name + + "', instead got: '" + current_token().value + "'", + exprtk_error_location)); + + return 0; + } + + if (token_is(token_t::e_rbracket, e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR030 - Expected at least one input parameter for function call '" + function_name + "'", + exprtk_error_location)); + + return 0; + } + + std::size_t param_index = 0; + + for (; param_index < MaxNumberofParameters; ++param_index) + { + param_list[param_index] = parse_expression(); + + if (0 == param_list[param_index]) + return 0; + else if (token_is(token_t::e_rbracket)) + { + sd.delete_ptr = false; + break; + } + else if (token_is(token_t::e_comma)) + continue; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR031 - Expected a ',' between function input parameters, instead got: '" + current_token().value + "'", + exprtk_error_location)); + + return 0; + } + } + + if (sd.delete_ptr) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR032 - Invalid number of input parameters passed to function '" + function_name + "'", + exprtk_error_location)); + + return 0; + } + + return (param_index + 1); + } + + inline expression_node_ptr parse_base_operation() + { + typedef std::pair map_range_t; + + const std::string operation_name = current_token().value; + const token_t diagnostic_token = current_token(); + + map_range_t itr_range = base_ops_map_.equal_range(operation_name); + + if (0 == std::distance(itr_range.first,itr_range.second)) + { + set_error(make_error( + parser_error::e_syntax, + diagnostic_token, + "ERR033 - No entry found for base operation: " + operation_name, + exprtk_error_location)); + + return error_node(); + } + + static const std::size_t MaxNumberofParameters = 4; + expression_node_ptr param_list[MaxNumberofParameters] = {0}; + + const std::size_t parameter_count = parse_base_function_call(param_list, operation_name); + + if ((parameter_count > 0) && (parameter_count <= MaxNumberofParameters)) + { + for (base_ops_map_t::iterator itr = itr_range.first; itr != itr_range.second; ++itr) + { + const details::base_operation_t& operation = itr->second; + + if (operation.num_params == parameter_count) + { + switch (parameter_count) + { + #define base_opr_case(N) \ + case N : { \ + expression_node_ptr pl##N[N] = {0}; \ + std::copy(param_list, param_list + N, pl##N); \ + lodge_symbol(operation_name, e_st_function); \ + return expression_generator_(operation.type, pl##N); \ + } \ + + base_opr_case(1) + base_opr_case(2) + base_opr_case(3) + base_opr_case(4) + #undef base_opr_case + } + } + } + } + + for (std::size_t i = 0; i < MaxNumberofParameters; ++i) + { + free_node(node_allocator_, param_list[i]); + } + + set_error(make_error( + parser_error::e_syntax, + diagnostic_token, + "ERR034 - Invalid number of input parameters for call to function: '" + operation_name + "'", + exprtk_error_location)); + + return error_node(); + } + + inline expression_node_ptr parse_conditional_statement_01(expression_node_ptr condition) + { + // Parse: [if][(][condition][,][consequent][,][alternative][)] + + expression_node_ptr consequent = error_node(); + expression_node_ptr alternative = error_node(); + + bool result = true; + + if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR035 - Expected ',' between if-statement condition and consequent", + exprtk_error_location)); + + result = false; + } + else if (0 == (consequent = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR036 - Failed to parse consequent for if-statement", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR037 - Expected ',' between if-statement consequent and alternative", + exprtk_error_location)); + + result = false; + } + else if (0 == (alternative = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR038 - Failed to parse alternative for if-statement", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR039 - Expected ')' at the end of if-statement", + exprtk_error_location)); + + result = false; + } + + #ifndef exprtk_disable_string_capabilities + if (result) + { + const bool consq_is_str = is_generally_string_node(consequent ); + const bool alter_is_str = is_generally_string_node(alternative); + + if (consq_is_str || alter_is_str) + { + if (consq_is_str && alter_is_str) + { + expression_node_ptr result_node = + expression_generator_ + .conditional_string(condition, consequent, alternative); + + if (result_node && result_node->valid()) + { + return result_node; + } + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR040 - Failed to synthesize node: conditional_string", + exprtk_error_location)); + + free_node(node_allocator_, result_node); + return error_node(); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR041 - Return types of if-statement differ: string/non-string", + exprtk_error_location)); + + result = false; + } + } + #endif + + if (result) + { + const bool consq_is_vec = is_ivector_node(consequent ); + const bool alter_is_vec = is_ivector_node(alternative); + + if (consq_is_vec || alter_is_vec) + { + if (consq_is_vec && alter_is_vec) + { + return expression_generator_ + .conditional_vector(condition, consequent, alternative); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR042 - Return types of if-statement differ: vector/non-vector", + exprtk_error_location)); + + result = false; + } + } + + if (!result) + { + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent ); + free_node(node_allocator_, alternative); + + return error_node(); + } + else + return expression_generator_ + .conditional(condition, consequent, alternative); + } + + inline expression_node_ptr parse_conditional_statement_02(expression_node_ptr condition) + { + expression_node_ptr consequent = error_node(); + expression_node_ptr alternative = error_node(); + + bool result = true; + + if (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) + { + if (0 == (consequent = parse_multi_sequence("if-statement-01"))) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR043 - Failed to parse body of consequent for if-statement", + exprtk_error_location)); + + result = false; + } + else if + ( + !settings_.commutative_check_enabled() && + !token_is("else",prsrhlpr_t::e_hold) && + !token_is_loop(prsrhlpr_t::e_hold) && + !token_is_arithmetic_opr(prsrhlpr_t::e_hold) && + !token_is_right_bracket (prsrhlpr_t::e_hold) && + !token_is_ineq_opr (prsrhlpr_t::e_hold) && + !token_is(token_t::e_ternary,prsrhlpr_t::e_hold) && + !token_is(token_t::e_eof ,prsrhlpr_t::e_hold) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR044 - Expected ';' at the end of the consequent for if-statement (1)", + exprtk_error_location)); + + result = false; + } + } + else + { + if ( + settings_.commutative_check_enabled() && + token_is(token_t::e_mul,prsrhlpr_t::e_hold) + ) + { + next_token(); + } + + if (0 != (consequent = parse_expression())) + { + if (!token_is(token_t::e_eof, prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR045 - Expected ';' at the end of the consequent for if-statement (2)", + exprtk_error_location)); + + result = false; + } + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR046 - Failed to parse body of consequent for if-statement", + exprtk_error_location)); + + result = false; + } + } + + if (result) + { + if ( + details::imatch(current_token().value,"else") || + (token_is(token_t::e_eof, prsrhlpr_t::e_hold) && peek_token_is("else")) + ) + { + next_token(); + + if (details::imatch(current_token().value,"else")) + { + next_token(); + } + + if (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) + { + if (0 == (alternative = parse_multi_sequence("else-statement-01"))) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR047 - Failed to parse body of the 'else' for if-statement", + exprtk_error_location)); + + result = false; + } + } + else if (details::imatch(current_token().value,"if")) + { + if (0 == (alternative = parse_conditional_statement())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR048 - Failed to parse body of if-else statement", + exprtk_error_location)); + + result = false; + } + } + else if (0 != (alternative = parse_expression())) + { + if ( + !token_is(token_t::e_ternary , prsrhlpr_t::e_hold) && + !token_is(token_t::e_rcrlbracket, prsrhlpr_t::e_hold) && + !token_is(token_t::e_eof) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR049 - Expected ';' at the end of the 'else-if' for the if-statement", + exprtk_error_location)); + + result = false; + } + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR050 - Failed to parse body of the 'else' for if-statement", + exprtk_error_location)); + + result = false; + } + } + } + + #ifndef exprtk_disable_string_capabilities + if (result) + { + const bool consq_is_str = is_generally_string_node(consequent ); + const bool alter_is_str = is_generally_string_node(alternative); + + if (consq_is_str || alter_is_str) + { + if (consq_is_str && alter_is_str) + { + return expression_generator_ + .conditional_string(condition, consequent, alternative); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR051 - Return types of if-statement differ: string/non-string", + exprtk_error_location)); + + result = false; + } + } + #endif + + if (result) + { + const bool consq_is_vec = is_ivector_node(consequent ); + const bool alter_is_vec = is_ivector_node(alternative); + + if (consq_is_vec || alter_is_vec) + { + if (consq_is_vec && alter_is_vec) + { + return expression_generator_ + .conditional_vector(condition, consequent, alternative); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR052 - Return types of if-statement differ: vector/non-vector", + exprtk_error_location)); + + result = false; + } + } + + if (!result) + { + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent ); + free_node(node_allocator_, alternative); + + return error_node(); + } + else + return expression_generator_ + .conditional(condition, consequent, alternative); + } + + inline expression_node_ptr parse_conditional_statement() + { + expression_node_ptr condition = error_node(); + + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR053 - Expected '(' at start of if-statement, instead got: '" + current_token().value + "'", + exprtk_error_location)); + + return error_node(); + } + else if (0 == (condition = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR054 - Failed to parse condition for if-statement", + exprtk_error_location)); + + return error_node(); + } + else if (token_is(token_t::e_comma,prsrhlpr_t::e_hold)) + { + // if (x,y,z) + return parse_conditional_statement_01(condition); + } + else if (token_is(token_t::e_rbracket)) + { + /* + 00. if (x) y; + 01. if (x) y; else z; + 02. if (x) y; else {z0; ... zn;} + 03. if (x) y; else if (z) w; + 04. if (x) y; else if (z) w; else u; + 05. if (x) y; else if (z) w; else {u0; ... un;} + 06. if (x) y; else if (z) {w0; ... wn;} + 07. if (x) {y0; ... yn;} + 08. if (x) {y0; ... yn;} else z; + 09. if (x) {y0; ... yn;} else {z0; ... zn;}; + 10. if (x) {y0; ... yn;} else if (z) w; + 11. if (x) {y0; ... yn;} else if (z) w; else u; + 12. if (x) {y0; ... nex;} else if (z) w; else {u0 ... un;} + 13. if (x) {y0; ... yn;} else if (z) {w0; ... wn;} + */ + return parse_conditional_statement_02(condition); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR055 - Invalid if-statement", + exprtk_error_location)); + + free_node(node_allocator_, condition); + + return error_node(); + } + + inline expression_node_ptr parse_ternary_conditional_statement(expression_node_ptr condition) + { + // Parse: [condition][?][consequent][:][alternative] + expression_node_ptr consequent = error_node(); + expression_node_ptr alternative = error_node(); + + bool result = true; + + if (0 == condition) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR056 - Encountered invalid condition branch for ternary if-statement", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_ternary)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR057 - Expected '?' after condition of ternary if-statement", + exprtk_error_location)); + + result = false; + } + else if (0 == (consequent = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR058 - Failed to parse consequent for ternary if-statement", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_colon)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR059 - Expected ':' between ternary if-statement consequent and alternative", + exprtk_error_location)); + + result = false; + } + else if (0 == (alternative = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR060 - Failed to parse alternative for ternary if-statement", + exprtk_error_location)); + + result = false; + } + + #ifndef exprtk_disable_string_capabilities + if (result) + { + const bool consq_is_str = is_generally_string_node(consequent ); + const bool alter_is_str = is_generally_string_node(alternative); + + if (consq_is_str || alter_is_str) + { + if (consq_is_str && alter_is_str) + { + return expression_generator_ + .conditional_string(condition, consequent, alternative); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR061 - Return types of ternary differ: string/non-string", + exprtk_error_location)); + + result = false; + } + } + #endif + + if (result) + { + const bool consq_is_vec = is_ivector_node(consequent ); + const bool alter_is_vec = is_ivector_node(alternative); + + if (consq_is_vec || alter_is_vec) + { + if (consq_is_vec && alter_is_vec) + { + return expression_generator_ + .conditional_vector(condition, consequent, alternative); + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR062 - Return types of ternary differ: vector/non-vector", + exprtk_error_location)); + + result = false; + } + } + + if (!result) + { + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent ); + free_node(node_allocator_, alternative); + + return error_node(); + } + else + return expression_generator_ + .conditional(condition, consequent, alternative); + } + + inline expression_node_ptr parse_not_statement() + { + if (settings_.logic_disabled("not")) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR063 - Invalid or disabled logic operation 'not'", + exprtk_error_location)); + + return error_node(); + } + + return parse_base_operation(); + } + + void handle_brkcnt_scope_exit() + { + assert(!brkcnt_list_.empty()); + brkcnt_list_.pop_front(); + } + + inline expression_node_ptr parse_while_loop() + { + // Parse: [while][(][test expr][)][{][expression][}] + expression_node_ptr condition = error_node(); + expression_node_ptr branch = error_node(); + expression_node_ptr result_node = error_node(); + + bool result = true; + + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR064 - Expected '(' at start of while-loop condition statement", + exprtk_error_location)); + + return error_node(); + } + else if (0 == (condition = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR065 - Failed to parse condition for while-loop", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR066 - Expected ')' at end of while-loop condition statement", + exprtk_error_location)); + + result = false; + } + + brkcnt_list_.push_front(false); + + if (result) + { + scoped_inc_dec sid(state_.parsing_loop_stmt_count); + + if (0 == (branch = parse_multi_sequence("while-loop", true))) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR067 - Failed to parse body of while-loop")); + result = false; + } + else if (0 == (result_node = expression_generator_.while_loop(condition, + branch, + brkcnt_list_.front()))) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR068 - Failed to synthesize while-loop", + exprtk_error_location)); + + result = false; + } + } + + handle_brkcnt_scope_exit(); + + if (!result) + { + free_node(node_allocator_, branch ); + free_node(node_allocator_, condition ); + free_node(node_allocator_, result_node); + + return error_node(); + } + + if (result_node && result_node->valid()) + { + return result_node; + } + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR069 - Failed to synthesize 'valid' while-loop", + exprtk_error_location)); + + free_node(node_allocator_, result_node); + + return error_node(); + } + + inline expression_node_ptr parse_repeat_until_loop() + { + // Parse: [repeat][{][expression][}][until][(][test expr][)] + expression_node_ptr condition = error_node(); + expression_node_ptr branch = error_node(); + next_token(); + + std::vector arg_list; + std::vector side_effect_list; + + scoped_vec_delete svd((*this), arg_list); + + brkcnt_list_.push_front(false); + + if (details::imatch(current_token().value,"until")) + { + next_token(); + branch = node_allocator_.allocate >(); + } + else + { + const token_t::token_type separator = token_t::e_eof; + + scope_handler sh(*this); + + scoped_bool_or_restorer sbr(state_.side_effect_present); + + scoped_inc_dec sid(state_.parsing_loop_stmt_count); + + for ( ; ; ) + { + state_.side_effect_present = false; + + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + else + { + arg_list.push_back(arg); + side_effect_list.push_back(state_.side_effect_present); + } + + if (details::imatch(current_token().value,"until")) + { + next_token(); + break; + } + + const bool is_next_until = peek_token_is(token_t::e_symbol) && + peek_token_is("until"); + + if (!token_is(separator) && is_next_until) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR070 - Expected '" + token_t::to_str(separator) + "' in body of repeat until loop", + exprtk_error_location)); + + return error_node(); + } + + if (details::imatch(current_token().value,"until")) + { + next_token(); + break; + } + } + + branch = simplify(arg_list,side_effect_list); + + svd.delete_ptr = (0 == branch); + + if (svd.delete_ptr) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR071 - Failed to parse body of repeat until loop", + exprtk_error_location)); + + return error_node(); + } + } + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR072 - Expected '(' before condition statement of repeat until loop", + exprtk_error_location)); + + free_node(node_allocator_, branch); + return error_node(); + } + else if (0 == (condition = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR073 - Failed to parse condition for repeat until loop", + exprtk_error_location)); + + free_node(node_allocator_, branch); + return error_node(); + } + else if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR074 - Expected ')' after condition of repeat until loop", + exprtk_error_location)); + + free_node(node_allocator_, branch ); + free_node(node_allocator_, condition); + + return error_node(); + } + + expression_node_ptr result_node = + expression_generator_ + .repeat_until_loop( + condition, + branch, + brkcnt_list_.front()); + + if (0 == result_node) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR075 - Failed to synthesize repeat until loop", + exprtk_error_location)); + + free_node(node_allocator_, condition); + + return error_node(); + } + + handle_brkcnt_scope_exit(); + + if (result_node && result_node->valid()) + { + return result_node; + } + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR076 - Failed to synthesize 'valid' repeat until loop", + exprtk_error_location)); + + free_node(node_allocator_, result_node); + + return error_node(); + } + + inline expression_node_ptr parse_for_loop() + { + expression_node_ptr initialiser = error_node(); + expression_node_ptr condition = error_node(); + expression_node_ptr incrementor = error_node(); + expression_node_ptr loop_body = error_node(); + + scope_element* se = 0; + bool result = true; + + next_token(); + + scope_handler sh(*this); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR077 - Expected '(' at start of for-loop", + exprtk_error_location)); + + return error_node(); + } + + if (!token_is(token_t::e_eof)) + { + if ( + !token_is(token_t::e_symbol,prsrhlpr_t::e_hold) && + details::imatch(current_token().value,"var") + ) + { + next_token(); + + if (!token_is(token_t::e_symbol,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR078 - Expected a variable at the start of initialiser section of for-loop", + exprtk_error_location)); + + return error_node(); + } + else if (!peek_token_is(token_t::e_assign)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR079 - Expected variable assignment of initialiser section of for-loop", + exprtk_error_location)); + + return error_node(); + } + + const std::string loop_counter_symbol = current_token().value; + + se = &sem_.get_element(loop_counter_symbol); + + if ((se->name == loop_counter_symbol) && se->active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR080 - For-loop variable '" + loop_counter_symbol+ "' is being shadowed by a previous declaration", + exprtk_error_location)); + + return error_node(); + } + else if (!symtab_store_.is_variable(loop_counter_symbol)) + { + if ( + !se->active && + (se->name == loop_counter_symbol) && + (se->type == scope_element::e_variable) + ) + { + se->active = true; + se->ref_count++; + } + else + { + scope_element nse; + nse.name = loop_counter_symbol; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_variable; + nse.depth = state_.scope_depth; + nse.data = new T(T(0)); + nse.var_node = node_allocator_.allocate(*reinterpret_cast(nse.data)); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR081 - Failed to add new local variable '" + loop_counter_symbol + "' to SEM", + exprtk_error_location)); + + sem_.free_element(nse); + + result = false; + } + else + { + exprtk_debug(("parse_for_loop() - INFO - Added new local variable: %s\n", nse.name.c_str())); + + state_.activate_side_effect("parse_for_loop()"); + } + } + } + } + + if (0 == (initialiser = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR082 - Failed to parse initialiser of for-loop", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_eof)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR083 - Expected ';' after initialiser of for-loop", + exprtk_error_location)); + + result = false; + } + } + + if (!token_is(token_t::e_eof)) + { + if (0 == (condition = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR084 - Failed to parse condition of for-loop", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_eof)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR085 - Expected ';' after condition section of for-loop", + exprtk_error_location)); + + result = false; + } + } + + if (!token_is(token_t::e_rbracket)) + { + if (0 == (incrementor = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR086 - Failed to parse incrementor of for-loop", + exprtk_error_location)); + + result = false; + } + else if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR087 - Expected ')' after incrementor section of for-loop", + exprtk_error_location)); + + result = false; + } + } + + if (result) + { + brkcnt_list_.push_front(false); + + scoped_inc_dec sid(state_.parsing_loop_stmt_count); + + if (0 == (loop_body = parse_multi_sequence("for-loop", true))) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR088 - Failed to parse body of for-loop", + exprtk_error_location)); + + result = false; + } + } + + if (!result) + { + if (se) + { + se->ref_count--; + } + + free_node(node_allocator_, initialiser); + free_node(node_allocator_, condition ); + free_node(node_allocator_, incrementor); + free_node(node_allocator_, loop_body ); + return error_node(); + } + + expression_node_ptr result_node = + expression_generator_.for_loop(initialiser, + condition, + incrementor, + loop_body, + brkcnt_list_.front()); + handle_brkcnt_scope_exit(); + + if (result_node && result_node->valid()) + { + return result_node; + } + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR089 - Failed to synthesize 'valid' for-loop", + exprtk_error_location)); + + free_node(node_allocator_, result_node); + + return error_node(); + } + + inline expression_node_ptr parse_switch_statement() + { + std::vector arg_list; + + if (!details::imatch(current_token().value,"switch")) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR090 - Expected keyword 'switch'", + exprtk_error_location)); + + return error_node(); + } + + scoped_vec_delete svd((*this), arg_list); + + next_token(); + + if (!token_is(token_t::e_lcrlbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR091 - Expected '{' for call to switch statement", + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr default_statement = error_node(); + + scoped_expression_delete defstmt_delete((*this), default_statement); + + for ( ; ; ) + { + if (details::imatch("case",current_token().value)) + { + next_token(); + + expression_node_ptr condition = parse_expression(); + + if (0 == condition) + return error_node(); + else if (!token_is(token_t::e_colon)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR092 - Expected ':' for case of switch statement", + exprtk_error_location)); + + free_node(node_allocator_, condition); + + return error_node(); + } + + expression_node_ptr consequent = + (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) ? + parse_multi_sequence("switch-consequent") : + parse_expression(); + + if (0 == consequent) + { + free_node(node_allocator_, condition); + + return error_node(); + } + else if (!token_is(token_t::e_eof)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR093 - Expected ';' at end of case for switch statement", + exprtk_error_location)); + + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent); + + return error_node(); + } + + // Can we optimise away the case statement? + if (is_constant_node(condition) && is_false(condition)) + { + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent); + } + else + { + arg_list.push_back(condition ); + arg_list.push_back(consequent); + } + + } + else if (details::imatch("default",current_token().value)) + { + if (0 != default_statement) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR094 - Multiple default cases for switch statement", + exprtk_error_location)); + + return error_node(); + } + + next_token(); + + if (!token_is(token_t::e_colon)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR095 - Expected ':' for default of switch statement", + exprtk_error_location)); + + return error_node(); + } + + default_statement = + (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) ? + parse_multi_sequence("switch-default"): + parse_expression(); + + if (0 == default_statement) + return error_node(); + else if (!token_is(token_t::e_eof)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR096 - Expected ';' at end of default for switch statement", + exprtk_error_location)); + + return error_node(); + } + } + else if (token_is(token_t::e_rcrlbracket)) + break; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR097 - Expected '}' at end of switch statement", + exprtk_error_location)); + + return error_node(); + } + } + + const bool default_statement_present = (0 != default_statement); + + if (default_statement_present) + { + arg_list.push_back(default_statement); + } + else + { + arg_list.push_back(node_allocator_.allocate_c(std::numeric_limits::quiet_NaN())); + } + + expression_node_ptr result = expression_generator_.switch_statement(arg_list, (0 != default_statement)); + + svd.delete_ptr = (0 == result); + defstmt_delete.delete_ptr = (0 == result); + + return result; + } + + inline expression_node_ptr parse_multi_switch_statement() + { + std::vector arg_list; + + if (!details::imatch(current_token().value,"[*]")) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR098 - Expected token '[*]'", + exprtk_error_location)); + + return error_node(); + } + + scoped_vec_delete svd((*this), arg_list); + + next_token(); + + if (!token_is(token_t::e_lcrlbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR099 - Expected '{' for call to [*] statement", + exprtk_error_location)); + + return error_node(); + } + + for ( ; ; ) + { + if (!details::imatch("case",current_token().value)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR100 - Expected a 'case' statement for multi-switch", + exprtk_error_location)); + + return error_node(); + } + + next_token(); + + expression_node_ptr condition = parse_expression(); + + if (0 == condition) + return error_node(); + + if (!token_is(token_t::e_colon)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR101 - Expected ':' for case of [*] statement", + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr consequent = + (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) ? + parse_multi_sequence("multi-switch-consequent") : + parse_expression(); + + if (0 == consequent) + return error_node(); + + if (!token_is(token_t::e_eof)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR102 - Expected ';' at end of case for [*] statement", + exprtk_error_location)); + + return error_node(); + } + + // Can we optimise away the case statement? + if (is_constant_node(condition) && is_false(condition)) + { + free_node(node_allocator_, condition ); + free_node(node_allocator_, consequent); + } + else + { + arg_list.push_back(condition ); + arg_list.push_back(consequent); + } + + if (token_is(token_t::e_rcrlbracket,prsrhlpr_t::e_hold)) + { + break; + } + } + + if (!token_is(token_t::e_rcrlbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR103 - Expected '}' at end of [*] statement", + exprtk_error_location)); + + return error_node(); + } + + const expression_node_ptr result = expression_generator_.multi_switch_statement(arg_list); + + svd.delete_ptr = (0 == result); + + return result; + } + + inline expression_node_ptr parse_vararg_function() + { + std::vector arg_list; + + details::operator_type opt_type = details::e_default; + const std::string symbol = current_token().value; + + if (details::imatch(symbol,"~")) + { + next_token(); + return check_block_statement_closure(parse_multi_sequence()); + } + else if (details::imatch(symbol,"[*]")) + { + return check_block_statement_closure(parse_multi_switch_statement()); + } + else if (details::imatch(symbol, "avg" )) opt_type = details::e_avg ; + else if (details::imatch(symbol, "mand")) opt_type = details::e_mand; + else if (details::imatch(symbol, "max" )) opt_type = details::e_max ; + else if (details::imatch(symbol, "min" )) opt_type = details::e_min ; + else if (details::imatch(symbol, "mor" )) opt_type = details::e_mor ; + else if (details::imatch(symbol, "mul" )) opt_type = details::e_prod; + else if (details::imatch(symbol, "sum" )) opt_type = details::e_sum ; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR104 - Unsupported built-in vararg function: " + symbol, + exprtk_error_location)); + + return error_node(); + } + + scoped_vec_delete svd((*this), arg_list); + + lodge_symbol(symbol, e_st_function); + + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR105 - Expected '(' for call to vararg function: " + symbol, + exprtk_error_location)); + + return error_node(); + } + + if (token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR106 - vararg function: " + symbol + + " requires at least one input parameter", + exprtk_error_location)); + + return error_node(); + } + + for ( ; ; ) + { + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + else + arg_list.push_back(arg); + + if (token_is(token_t::e_rbracket)) + break; + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR107 - Expected ',' for call to vararg function: " + symbol, + exprtk_error_location)); + + return error_node(); + } + } + + const expression_node_ptr result = expression_generator_.vararg_function(opt_type,arg_list); + + svd.delete_ptr = (0 == result); + return result; + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr parse_string_range_statement(expression_node_ptr& expression) + { + if (!token_is(token_t::e_lsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR108 - Expected '[' as start of string range definition", + exprtk_error_location)); + + free_node(node_allocator_, expression); + + return error_node(); + } + else if (token_is(token_t::e_rsqrbracket)) + { + return node_allocator_.allocate >(expression); + } + + range_t rp; + + if (!parse_range(rp,true)) + { + free_node(node_allocator_, expression); + + return error_node(); + } + + expression_node_ptr result = expression_generator_(expression,rp); + + if (0 == result) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR109 - Failed to generate string range node", + exprtk_error_location)); + + free_node(node_allocator_, expression); + rp.free(); + } + + rp.clear(); + + if (result && result->valid()) + { + return result; + } + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR110 - Failed to synthesize node: string_range_node", + exprtk_error_location)); + + free_node(node_allocator_, result); + rp.free(); + return error_node(); + } + #else + inline expression_node_ptr parse_string_range_statement(expression_node_ptr&) + { + return error_node(); + } + #endif + + inline bool parse_pending_string_rangesize(expression_node_ptr& expression) + { + // Allow no more than 100 range calls, eg: s[][][]...[][] + const std::size_t max_rangesize_parses = 100; + + std::size_t i = 0; + + while + ( + (0 != expression) && + (i++ < max_rangesize_parses) && + error_list_.empty() && + is_generally_string_node(expression) && + token_is(token_t::e_lsqrbracket,prsrhlpr_t::e_hold) + ) + { + expression = parse_string_range_statement(expression); + } + + return (i > 1); + } + + inline void parse_pending_vector_index_operator(expression_node_ptr& expression) + { + if + ( + (0 != expression) && + error_list_.empty() && + is_ivector_node(expression) + ) + { + if ( + settings_.commutative_check_enabled() && + token_is(token_t::e_mul,prsrhlpr_t::e_hold) && + peek_token_is(token_t::e_lsqrbracket) + ) + { + token_is(token_t::e_mul); + token_is(token_t::e_lsqrbracket); + } + else if (token_is(token_t::e_lsqrbracket,prsrhlpr_t::e_hold)) + { + token_is(token_t::e_lsqrbracket); + } + else if ( + token_is(token_t::e_rbracket,prsrhlpr_t::e_hold) && + peek_token_is(token_t::e_lsqrbracket) + ) + { + token_is(token_t::e_rbracket ); + token_is(token_t::e_lsqrbracket); + } + else + return; + + details::vector_interface* vi = dynamic_cast*>(expression); + + if (vi) + { + details::vector_holder& vec = vi->vec()->vec_holder(); + const std::string vector_name = sem_.get_vector_name(vec.data()); + expression_node_ptr index = parse_vector_index(vector_name); + + if (index) + { + expression = synthesize_vector_element(vector_name, &vec, expression, index); + return; + } + } + + free_node(node_allocator_, expression); + expression = error_node(); + } + } + + template class Sequence> + inline expression_node_ptr simplify(Sequence& expression_list, + Sequence& side_effect_list, + const bool specialise_on_final_type = false) + { + if (expression_list.empty()) + return error_node(); + else if (1 == expression_list.size()) + return expression_list[0]; + + Sequence tmp_expression_list; + + exprtk_debug(("simplify() - expression_list.size: %d side_effect_list.size(): %d\n", + static_cast(expression_list .size()), + static_cast(side_effect_list.size()))); + + bool return_node_present = false; + + for (std::size_t i = 0; i < (expression_list.size() - 1); ++i) + { + if (is_variable_node(expression_list[i])) + continue; + else if ( + is_return_node (expression_list[i]) || + is_break_node (expression_list[i]) || + is_continue_node(expression_list[i]) + ) + { + tmp_expression_list.push_back(expression_list[i]); + + // Remove all subexpressions after first short-circuit + // node has been encountered. + + for (std::size_t j = i + 1; j < expression_list.size(); ++j) + { + free_node(node_allocator_, expression_list[j]); + } + + return_node_present = true; + + break; + } + else if ( + is_constant_node(expression_list[i]) || + is_null_node (expression_list[i]) || + !side_effect_list[i] + ) + { + free_node(node_allocator_, expression_list[i]); + continue; + } + else + tmp_expression_list.push_back(expression_list[i]); + } + + if (!return_node_present) + { + tmp_expression_list.push_back(expression_list.back()); + } + + expression_list.swap(tmp_expression_list); + + if (tmp_expression_list.size() > expression_list.size()) + { + exprtk_debug(("simplify() - Reduced subexpressions from %d to %d\n", + static_cast(tmp_expression_list.size()), + static_cast(expression_list .size()))); + } + + if ( + return_node_present || + side_effect_list.back() || + (expression_list.size() > 1) + ) + state_.activate_side_effect("simplify()"); + + if (1 == expression_list.size()) + return expression_list[0]; + else if (specialise_on_final_type && is_generally_string_node(expression_list.back())) + return expression_generator_.vararg_function(details::e_smulti,expression_list); + else + return expression_generator_.vararg_function(details::e_multi,expression_list); + } + + inline expression_node_ptr parse_multi_sequence(const std::string& source = "", + const bool enforce_crlbrackets = false) + { + token_t::token_type open_bracket = token_t::e_lcrlbracket; + token_t::token_type close_bracket = token_t::e_rcrlbracket; + token_t::token_type separator = token_t::e_eof; + + if (!token_is(open_bracket)) + { + if (!enforce_crlbrackets && token_is(token_t::e_lbracket)) + { + open_bracket = token_t::e_lbracket; + close_bracket = token_t::e_rbracket; + separator = token_t::e_comma; + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR111 - Expected '" + token_t::to_str(open_bracket) + "' for call to multi-sequence" + + ((!source.empty()) ? std::string(" section of " + source): ""), + exprtk_error_location)); + + return error_node(); + } + } + else if (token_is(close_bracket)) + { + return node_allocator_.allocate >(); + } + + std::vector arg_list; + std::vector side_effect_list; + + scoped_vec_delete svd((*this), arg_list); + + scope_handler sh(*this); + + scoped_bool_or_restorer sbr(state_.side_effect_present); + + for ( ; ; ) + { + state_.side_effect_present = false; + + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + else + { + arg_list.push_back(arg); + side_effect_list.push_back(state_.side_effect_present); + } + + if (token_is(close_bracket)) + break; + + const bool is_next_close = peek_token_is(close_bracket); + + if (!token_is(separator) && is_next_close) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR112 - Expected '" + lexer::token::seperator_to_str(separator) + "' for call to multi-sequence section of " + source, + exprtk_error_location)); + + return error_node(); + } + + if (token_is(close_bracket)) + break; + } + + expression_node_ptr result = simplify(arg_list, side_effect_list, source.empty()); + + svd.delete_ptr = (0 == result); + return result; + } + + inline bool parse_range(range_t& rp, const bool skip_lsqr = false) + { + // Examples of valid ranges: + // 1. [1:5] -> [1,5) + // 2. [ :5] -> [0,5) + // 3. [1: ] -> [1,end) + // 4. [x:y] -> [x,y) where x <= y + // 5. [x+1:y/2] -> [x+1,y/2) where x+1 <= y/2 + // 6. [ :y] -> [0,y) where 0 <= y + // 7. [x: ] -> [x,end) where x <= end + + rp.clear(); + + if (!skip_lsqr && !token_is(token_t::e_lsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR113 - Expected '[' for start of range", + exprtk_error_location)); + + return false; + } + + if (token_is(token_t::e_colon)) + { + rp.n0_c.first = true; + rp.n0_c.second = 0; + rp.cache.first = 0; + } + else + { + expression_node_ptr r0 = parse_expression(); + + if (0 == r0) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR114 - Failed parse begin section of range", + exprtk_error_location)); + + return false; + } + else if (is_constant_node(r0)) + { + const T r0_value = r0->value(); + + if (r0_value >= T(0)) + { + rp.n0_c.first = true; + rp.n0_c.second = static_cast(details::numeric::to_int64(r0_value)); + rp.cache.first = rp.n0_c.second; + } + + free_node(node_allocator_, r0); + + if (r0_value < T(0)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR115 - Range lower bound less than zero! Constraint: r0 >= 0", + exprtk_error_location)); + + return false; + } + } + else + { + rp.n0_e.first = true; + rp.n0_e.second = r0; + } + + if (!token_is(token_t::e_colon)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR116 - Expected ':' for break in range", + exprtk_error_location)); + + rp.free(); + + return false; + } + } + + if (token_is(token_t::e_rsqrbracket)) + { + rp.n1_c.first = true; + rp.n1_c.second = std::numeric_limits::max(); + } + else + { + expression_node_ptr r1 = parse_expression(); + + if (0 == r1) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR117 - Failed parse end section of range", + exprtk_error_location)); + + rp.free(); + + return false; + } + else if (is_constant_node(r1)) + { + const T r1_value = r1->value(); + + if (r1_value >= T(0)) + { + rp.n1_c.first = true; + rp.n1_c.second = static_cast(details::numeric::to_int64(r1_value)); + rp.cache.second = rp.n1_c.second; + } + + free_node(node_allocator_, r1); + + if (r1_value < T(0)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR118 - Range upper bound less than zero! Constraint: r1 >= 0", + exprtk_error_location)); + + rp.free(); + + return false; + } + } + else + { + rp.n1_e.first = true; + rp.n1_e.second = r1; + } + + if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR119 - Expected ']' for start of range", + exprtk_error_location)); + + rp.free(); + + return false; + } + } + + if (rp.const_range()) + { + std::size_t r0 = 0; + std::size_t r1 = 0; + + bool rp_result = false; + + try + { + rp_result = rp(r0, r1); + } + catch (std::runtime_error&) + {} + + if (!rp_result || (r0 > r1)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR120 - Invalid range, Constraint: r0 <= r1", + exprtk_error_location)); + + return false; + } + } + + return true; + } + + inline void lodge_symbol(const std::string& symbol, + const symbol_type st) + { + dec_.add_symbol(symbol,st); + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr parse_string() + { + const std::string symbol = current_token().value; + + typedef details::stringvar_node* strvar_node_t; + + expression_node_ptr result = error_node(); + strvar_node_t const_str_node = static_cast(0); + + scope_element& se = sem_.get_active_element(symbol); + + if (scope_element::e_string == se.type) + { + se.active = true; + result = se.str_node; + lodge_symbol(symbol, e_st_local_string); + } + else + { + typedef typename symtab_store::string_context str_ctxt_t; + str_ctxt_t str_ctx = symtab_store_.get_string_context(symbol); + + if ((0 == str_ctx.str_var) || !symtab_store_.is_conststr_stringvar(symbol)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR121 - Unknown string symbol", + exprtk_error_location)); + + return error_node(); + } + + assert(str_ctx.str_var != 0); + assert(str_ctx.symbol_table != 0); + + result = str_ctx.str_var; + + if (symtab_store_.is_constant_string(symbol)) + { + const_str_node = static_cast(result); + result = expression_generator_(const_str_node->str()); + } + else if (symbol_table_t::e_immutable == str_ctx.symbol_table->mutability()) + { + lodge_immutable_symbol( + current_token(), + make_memory_range(str_ctx.str_var->base(), str_ctx.str_var->size())); + } + + lodge_symbol(symbol, e_st_string); + } + + if (peek_token_is(token_t::e_lsqrbracket)) + { + next_token(); + + if (peek_token_is(token_t::e_rsqrbracket)) + { + next_token(); + next_token(); + + if (const_str_node) + { + free_node(node_allocator_, result); + + return expression_generator_(T(const_str_node->size())); + } + else + return node_allocator_.allocate > + (static_cast*>(result)->ref()); + } + + range_t rp; + + if (!parse_range(rp)) + { + free_node(node_allocator_, result); + + return error_node(); + } + else if (const_str_node) + { + free_node(node_allocator_, result); + result = expression_generator_(const_str_node->ref(),rp); + } + else + result = expression_generator_(static_cast*> + (result)->ref(), rp); + + if (result) + rp.clear(); + } + else + next_token(); + + return result; + } + #else + inline expression_node_ptr parse_string() + { + return error_node(); + } + #endif + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr parse_const_string() + { + const std::string const_str = current_token().value; + expression_node_ptr result = expression_generator_(const_str); + + if (peek_token_is(token_t::e_lsqrbracket)) + { + next_token(); + + if (peek_token_is(token_t::e_rsqrbracket)) + { + next_token(); + next_token(); + + free_node(node_allocator_, result); + + return expression_generator_(T(const_str.size())); + } + + range_t rp; + + if (!parse_range(rp)) + { + free_node(node_allocator_, result); + rp.free(); + + return error_node(); + } + + free_node(node_allocator_, result); + + if (rp.n1_c.first && (rp.n1_c.second == std::numeric_limits::max())) + { + rp.n1_c.second = const_str.size() - 1; + rp.cache.second = rp.n1_c.second; + } + + if ( + (rp.n0_c.first && (rp.n0_c.second >= const_str.size())) || + (rp.n1_c.first && (rp.n1_c.second >= const_str.size())) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR122 - Overflow in range for string: '" + const_str + "'[" + + (rp.n0_c.first ? details::to_str(static_cast(rp.n0_c.second)) : "?") + ":" + + (rp.n1_c.first ? details::to_str(static_cast(rp.n1_c.second)) : "?") + "]", + exprtk_error_location)); + + rp.free(); + + return error_node(); + } + + result = expression_generator_(const_str,rp); + + if (result) + rp.clear(); + } + else + next_token(); + + return result; + } + #else + inline expression_node_ptr parse_const_string() + { + return error_node(); + } + #endif + + inline expression_node_ptr parse_vector_index(const std::string& vector_name = "") + { + expression_node_ptr index_expr = error_node(); + + if (0 == (index_expr = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR123 - Failed to parse index for vector: '" + vector_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR124 - Expected ']' for index of vector: '" + vector_name + "'", + exprtk_error_location)); + + free_node(node_allocator_, index_expr); + + return error_node(); + } + + return index_expr; + } + + inline expression_node_ptr parse_vector() + { + const std::string vector_name = current_token().value; + + vector_holder_ptr vec = vector_holder_ptr(0); + + const scope_element& se = sem_.get_active_element(vector_name); + + if ( + !details::imatch(se.name, vector_name) || + (se.depth > state_.scope_depth) || + (scope_element::e_vector != se.type) + ) + { + typedef typename symtab_store::vector_context vec_ctxt_t; + vec_ctxt_t vec_ctx = symtab_store_.get_vector_context(vector_name); + + if (0 == vec_ctx.vector_holder) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR125 - Symbol '" + vector_name + " not a vector", + exprtk_error_location)); + + return error_node(); + } + + assert(0 != vec_ctx.vector_holder); + assert(0 != vec_ctx.symbol_table ); + + vec = vec_ctx.vector_holder; + + if (symbol_table_t::e_immutable == vec_ctx.symbol_table->mutability()) + { + lodge_immutable_symbol( + current_token(), + make_memory_range(vec->data(), vec->size())); + } + } + else + { + vec = se.vec_node; + } + + assert(0 != vec); + + next_token(); + + if (!token_is(token_t::e_lsqrbracket)) + { + return node_allocator_.allocate(vec); + } + else if (token_is(token_t::e_rsqrbracket)) + { + return (vec->rebaseable()) ? + node_allocator_.allocate(vec) : + expression_generator_(T(vec->size())); + } + + expression_node_ptr index_expr = parse_vector_index(vector_name); + + if (index_expr) + { + expression_node_ptr vec_node = node_allocator_.allocate(vec); + + return synthesize_vector_element(vector_name, vec, vec_node, index_expr); + } + + return error_node(); + } + + inline expression_node_ptr synthesize_vector_element(const std::string& vector_name, + vector_holder_ptr vec, + expression_node_ptr vec_node, + expression_node_ptr index_expr) + { + // Perform compile-time range check + if (details::is_constant_node(index_expr)) + { + const std::size_t index = static_cast(details::numeric::to_int32(index_expr->value())); + const std::size_t vec_size = vec->size(); + + if (index >= vec_size) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR126 - Index of " + details::to_str(index) + " out of range for " + "vector '" + vector_name + "' of size " + details::to_str(vec_size), + exprtk_error_location)); + + free_node(node_allocator_, vec_node ); + free_node(node_allocator_, index_expr); + + return error_node(); + } + } + + return expression_generator_.vector_element(vector_name, vec, vec_node, index_expr); + } + + inline expression_node_ptr parse_vararg_function_call(ivararg_function* vararg_function, const std::string& vararg_function_name) + { + std::vector arg_list; + + scoped_vec_delete svd((*this), arg_list); + + next_token(); + + if (token_is(token_t::e_lbracket)) + { + if (token_is(token_t::e_rbracket)) + { + if (!vararg_function->allow_zero_parameters()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR127 - Zero parameter call to vararg function: " + + vararg_function_name + " not allowed", + exprtk_error_location)); + + return error_node(); + } + } + else + { + for ( ; ; ) + { + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + else + arg_list.push_back(arg); + + if (token_is(token_t::e_rbracket)) + break; + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR128 - Expected ',' for call to vararg function: " + + vararg_function_name, + exprtk_error_location)); + + return error_node(); + } + } + } + } + else if (!vararg_function->allow_zero_parameters()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR129 - Zero parameter call to vararg function: " + + vararg_function_name + " not allowed", + exprtk_error_location)); + + return error_node(); + } + + if (arg_list.size() < vararg_function->min_num_args()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR130 - Invalid number of parameters to call to vararg function: " + + vararg_function_name + ", require at least " + + details::to_str(static_cast(vararg_function->min_num_args())) + " parameters", + exprtk_error_location)); + + return error_node(); + } + else if (arg_list.size() > vararg_function->max_num_args()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR131 - Invalid number of parameters to call to vararg function: " + + vararg_function_name + ", require no more than " + + details::to_str(static_cast(vararg_function->max_num_args())) + " parameters", + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr result = expression_generator_.vararg_function_call(vararg_function,arg_list); + + svd.delete_ptr = (0 == result); + + return result; + } + + class type_checker + { + public: + + enum return_type_t + { + e_overload = ' ', + e_numeric = 'T', + e_string = 'S' + }; + + struct function_prototype_t + { + return_type_t return_type; + std::string param_seq; + }; + + typedef parser parser_t; + typedef std::vector function_definition_list_t; + + type_checker(parser_t& p, + const std::string& func_name, + const std::string& func_prototypes, + const return_type_t default_return_type) + : invalid_state_(true) + , parser_(p) + , function_name_(func_name) + , default_return_type_(default_return_type) + { + parse_function_prototypes(func_prototypes); + } + + bool verify(const std::string& param_seq, std::size_t& pseq_index) + { + if (function_definition_list_.empty()) + return true; + + std::vector > error_list; + + for (std::size_t i = 0; i < function_definition_list_.size(); ++i) + { + details::char_t diff_value = 0; + std::size_t diff_index = 0; + + const bool result = details::sequence_match(function_definition_list_[i].param_seq, + param_seq, + diff_index, diff_value); + + if (result) + { + pseq_index = i; + return true; + } + else + error_list.push_back(std::make_pair(diff_index, diff_value)); + } + + if (1 == error_list.size()) + { + parser_.set_error(make_error( + parser_error::e_syntax, + parser_.current_token(), + "ERR132 - Failed parameter type check for function '" + function_name_ + "', " + "Expected '" + function_definition_list_[0].param_seq + + "' call set: '" + param_seq + "'", + exprtk_error_location)); + } + else + { + // find first with largest diff_index; + std::size_t max_diff_index = 0; + + for (std::size_t i = 1; i < error_list.size(); ++i) + { + if (error_list[i].first > error_list[max_diff_index].first) + { + max_diff_index = i; + } + } + + parser_.set_error(make_error( + parser_error::e_syntax, + parser_.current_token(), + "ERR133 - Failed parameter type check for function '" + function_name_ + "', " + "Best match: '" + function_definition_list_[max_diff_index].param_seq + + "' call set: '" + param_seq + "'", + exprtk_error_location)); + } + + return false; + } + + std::size_t paramseq_count() const + { + return function_definition_list_.size(); + } + + std::string paramseq(const std::size_t& index) const + { + return function_definition_list_[index].param_seq; + } + + return_type_t return_type(const std::size_t& index) const + { + return function_definition_list_[index].return_type; + } + + bool invalid() const + { + return !invalid_state_; + } + + bool allow_zero_parameters() const + { + + for (std::size_t i = 0; i < function_definition_list_.size(); ++i) + { + if (std::string::npos != function_definition_list_[i].param_seq.find("Z")) + { + return true; + } + } + + return false; + } + + private: + + std::vector split_param_seq(const std::string& param_seq, const details::char_t delimiter = '|') const + { + std::string::const_iterator current_begin = param_seq.begin(); + std::string::const_iterator iter = param_seq.begin(); + + std::vector result; + + while (iter != param_seq.end()) + { + if (*iter == delimiter) + { + result.push_back(std::string(current_begin, iter)); + current_begin = ++iter; + } + else + ++iter; + } + + if (current_begin != iter) + { + result.push_back(std::string(current_begin, iter)); + } + + return result; + } + + inline bool is_valid_token(std::string param_seq, + function_prototype_t& funcproto) const + { + // Determine return type + funcproto.return_type = default_return_type_; + + if (param_seq.size() > 2) + { + if (':' == param_seq[1]) + { + // Note: Only overloaded igeneric functions can have return + // type definitions. + if (type_checker::e_overload != default_return_type_) + return false; + + switch (param_seq[0]) + { + case 'T' : funcproto.return_type = type_checker::e_numeric; + break; + + case 'S' : funcproto.return_type = type_checker::e_string; + break; + + default : return false; + } + + param_seq.erase(0,2); + } + } + + if ( + (std::string::npos != param_seq.find("?*")) || + (std::string::npos != param_seq.find("**")) + ) + { + return false; + } + else if ( + (std::string::npos == param_seq.find_first_not_of("STV*?|")) || + ("Z" == param_seq) + ) + { + funcproto.param_seq = param_seq; + return true; + } + + return false; + } + + void parse_function_prototypes(const std::string& func_prototypes) + { + if (func_prototypes.empty()) + return; + + std::vector param_seq_list = split_param_seq(func_prototypes); + + typedef std::map param_seq_map_t; + param_seq_map_t param_seq_map; + + for (std::size_t i = 0; i < param_seq_list.size(); ++i) + { + function_prototype_t func_proto; + + if (!is_valid_token(param_seq_list[i], func_proto)) + { + invalid_state_ = false; + + parser_.set_error(make_error( + parser_error::e_syntax, + parser_.current_token(), + "ERR134 - Invalid parameter sequence of '" + param_seq_list[i] + + "' for function: " + function_name_, + exprtk_error_location)); + return; + } + + param_seq_map_t::const_iterator seq_itr = param_seq_map.find(param_seq_list[i]); + + if (param_seq_map.end() != seq_itr) + { + invalid_state_ = false; + + parser_.set_error(make_error( + parser_error::e_syntax, + parser_.current_token(), + "ERR135 - Function '" + function_name_ + "' has a parameter sequence conflict between " + + "pseq_idx[" + details::to_str(seq_itr->second) + "] and" + + "pseq_idx[" + details::to_str(i) + "] " + + "param seq: " + param_seq_list[i], + exprtk_error_location)); + return; + } + + function_definition_list_.push_back(func_proto); + } + } + + type_checker(const type_checker&) exprtk_delete; + type_checker& operator=(const type_checker&) exprtk_delete; + + bool invalid_state_; + parser_t& parser_; + std::string function_name_; + const return_type_t default_return_type_; + function_definition_list_t function_definition_list_; + }; + + inline expression_node_ptr parse_generic_function_call(igeneric_function* function, const std::string& function_name) + { + std::vector arg_list; + + scoped_vec_delete svd((*this), arg_list); + + next_token(); + + std::string param_type_list; + + type_checker tc( + (*this), + function_name, + function->parameter_sequence, + type_checker::e_string); + + if (tc.invalid()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR136 - Type checker instantiation failure for generic function: " + function_name, + exprtk_error_location)); + + return error_node(); + } + + if (token_is(token_t::e_lbracket)) + { + if (token_is(token_t::e_rbracket)) + { + if ( + !function->allow_zero_parameters() && + !tc .allow_zero_parameters() + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR137 - Zero parameter call to generic function: " + + function_name + " not allowed", + exprtk_error_location)); + + return error_node(); + } + } + else + { + for ( ; ; ) + { + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + + if (is_ivector_node(arg)) + param_type_list += 'V'; + else if (is_generally_string_node(arg)) + param_type_list += 'S'; + else // Everything else is assumed to be a scalar returning expression + param_type_list += 'T'; + + arg_list.push_back(arg); + + if (token_is(token_t::e_rbracket)) + break; + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR138 - Expected ',' for call to generic function: " + function_name, + exprtk_error_location)); + + return error_node(); + } + } + } + } + else if ( + !function->parameter_sequence.empty() && + function->allow_zero_parameters () && + !tc .allow_zero_parameters () + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR139 - Zero parameter call to generic function: " + + function_name + " not allowed", + exprtk_error_location)); + + return error_node(); + } + + std::size_t param_seq_index = 0; + + if ( + state_.type_check_enabled && + !tc.verify(param_type_list, param_seq_index) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR140 - Invalid input parameter sequence for call to generic function: " + function_name, + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr result = + (tc.paramseq_count() <= 1) ? + expression_generator_ + .generic_function_call(function, arg_list) : + expression_generator_ + .generic_function_call(function, arg_list, param_seq_index); + + svd.delete_ptr = (0 == result); + + return result; + } + + inline bool parse_igeneric_function_params(std::string& param_type_list, + std::vector& arg_list, + const std::string& function_name, + igeneric_function* function, + const type_checker& tc) + { + if (token_is(token_t::e_lbracket)) + { + if (token_is(token_t::e_rbracket)) + { + if ( + !function->allow_zero_parameters() && + !tc .allow_zero_parameters() + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR141 - Zero parameter call to generic function: " + + function_name + " not allowed", + exprtk_error_location)); + + return false; + } + } + else + { + for ( ; ; ) + { + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return false; + + if (is_ivector_node(arg)) + param_type_list += 'V'; + else if (is_generally_string_node(arg)) + param_type_list += 'S'; + else // Everything else is a scalar returning expression + param_type_list += 'T'; + + arg_list.push_back(arg); + + if (token_is(token_t::e_rbracket)) + break; + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR142 - Expected ',' for call to string function: " + function_name, + exprtk_error_location)); + + return false; + } + } + } + + return true; + } + else + return false; + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr parse_string_function_call(igeneric_function* function, const std::string& function_name) + { + // Move pass the function name + next_token(); + + std::string param_type_list; + + type_checker tc((*this), function_name, function->parameter_sequence, type_checker::e_string); + + if ( + (!function->parameter_sequence.empty()) && + (0 == tc.paramseq_count()) + ) + { + return error_node(); + } + + std::vector arg_list; + scoped_vec_delete svd((*this), arg_list); + + if (!parse_igeneric_function_params(param_type_list, arg_list, function_name, function, tc)) + { + return error_node(); + } + + std::size_t param_seq_index = 0; + + if (!tc.verify(param_type_list, param_seq_index)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR143 - Invalid input parameter sequence for call to string function: " + function_name, + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr result = + (tc.paramseq_count() <= 1) ? + expression_generator_ + .string_function_call(function, arg_list) : + expression_generator_ + .string_function_call(function, arg_list, param_seq_index); + + svd.delete_ptr = (0 == result); + + return result; + } + + inline expression_node_ptr parse_overload_function_call(igeneric_function* function, const std::string& function_name) + { + // Move pass the function name + next_token(); + + std::string param_type_list; + + type_checker tc((*this), function_name, function->parameter_sequence, type_checker::e_overload); + + if ( + (!function->parameter_sequence.empty()) && + (0 == tc.paramseq_count()) + ) + { + return error_node(); + } + + std::vector arg_list; + scoped_vec_delete svd((*this), arg_list); + + if (!parse_igeneric_function_params(param_type_list, arg_list, function_name, function, tc)) + { + return error_node(); + } + + std::size_t param_seq_index = 0; + + if (!tc.verify(param_type_list, param_seq_index)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR144 - Invalid input parameter sequence for call to overloaded function: " + function_name, + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr result = error_node(); + + if (type_checker::e_numeric == tc.return_type(param_seq_index)) + { + if (tc.paramseq_count() <= 1) + result = expression_generator_ + .generic_function_call(function, arg_list); + else + result = expression_generator_ + .generic_function_call(function, arg_list, param_seq_index); + } + else if (type_checker::e_string == tc.return_type(param_seq_index)) + { + if (tc.paramseq_count() <= 1) + result = expression_generator_ + .string_function_call(function, arg_list); + else + result = expression_generator_ + .string_function_call(function, arg_list, param_seq_index); + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR145 - Invalid return type for call to overloaded function: " + function_name, + exprtk_error_location)); + } + + svd.delete_ptr = (0 == result); + return result; + } + #endif + + template + struct parse_special_function_impl + { + static inline expression_node_ptr process(parser& p, const details::operator_type opt_type, const std::string& sf_name) + { + expression_node_ptr branch[NumberOfParameters]; + expression_node_ptr result = error_node(); + + std::fill_n(branch, NumberOfParameters, reinterpret_cast(0)); + + scoped_delete sd(p,branch); + + p.next_token(); + + if (!p.token_is(token_t::e_lbracket)) + { + p.set_error(make_error( + parser_error::e_syntax, + p.current_token(), + "ERR146 - Expected '(' for special function '" + sf_name + "'", + exprtk_error_location)); + + return error_node(); + } + + for (std::size_t i = 0; i < NumberOfParameters; ++i) + { + branch[i] = p.parse_expression(); + + if (0 == branch[i]) + { + return p.error_node(); + } + else if (i < (NumberOfParameters - 1)) + { + if (!p.token_is(token_t::e_comma)) + { + p.set_error(make_error( + parser_error::e_syntax, + p.current_token(), + "ERR147 - Expected ',' before next parameter of special function '" + sf_name + "'", + exprtk_error_location)); + + return p.error_node(); + } + } + } + + if (!p.token_is(token_t::e_rbracket)) + { + p.set_error(make_error( + parser_error::e_syntax, + p.current_token(), + "ERR148 - Invalid number of parameters for special function '" + sf_name + "'", + exprtk_error_location)); + + return p.error_node(); + } + else + result = p.expression_generator_.special_function(opt_type,branch); + + sd.delete_ptr = (0 == result); + + return result; + } + }; + + inline expression_node_ptr parse_special_function() + { + const std::string sf_name = current_token().value; + + // Expect: $fDD(expr0,expr1,expr2) or $fDD(expr0,expr1,expr2,expr3) + if ( + !details::is_digit(sf_name[2]) || + !details::is_digit(sf_name[3]) + ) + { + set_error(make_error( + parser_error::e_token, + current_token(), + "ERR149 - Invalid special function[1]: " + sf_name, + exprtk_error_location)); + + return error_node(); + } + + const int id = (sf_name[2] - '0') * 10 + + (sf_name[3] - '0'); + + if (id >= details::e_sffinal) + { + set_error(make_error( + parser_error::e_token, + current_token(), + "ERR150 - Invalid special function[2]: " + sf_name, + exprtk_error_location)); + + return error_node(); + } + + const int sf_3_to_4 = details::e_sf48; + const details::operator_type opt_type = details::operator_type(id + 1000); + const std::size_t NumberOfParameters = (id < (sf_3_to_4 - 1000)) ? 3U : 4U; + + switch (NumberOfParameters) + { + case 3 : return parse_special_function_impl::process((*this), opt_type, sf_name); + case 4 : return parse_special_function_impl::process((*this), opt_type, sf_name); + default : return error_node(); + } + } + + inline expression_node_ptr parse_null_statement() + { + next_token(); + return node_allocator_.allocate >(); + } + + #ifndef exprtk_disable_break_continue + inline expression_node_ptr parse_break_statement() + { + if (state_.parsing_break_stmt) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR151 - Invoking 'break' within a break call is not allowed", + exprtk_error_location)); + + return error_node(); + } + else if (0 == state_.parsing_loop_stmt_count) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR152 - Invalid use of 'break', allowed only in the scope of a loop", + exprtk_error_location)); + + return error_node(); + } + + scoped_bool_negator sbn(state_.parsing_break_stmt); + + if (!brkcnt_list_.empty()) + { + next_token(); + + brkcnt_list_.front() = true; + + expression_node_ptr return_expr = error_node(); + + if (token_is(token_t::e_lsqrbracket)) + { + if (0 == (return_expr = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR153 - Failed to parse return expression for 'break' statement", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR154 - Expected ']' at the completion of break's return expression", + exprtk_error_location)); + + free_node(node_allocator_, return_expr); + + return error_node(); + } + } + + state_.activate_side_effect("parse_break_statement()"); + + return node_allocator_.allocate >(return_expr); + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR155 - Invalid use of 'break', allowed only in the scope of a loop", + exprtk_error_location)); + } + + return error_node(); + } + + inline expression_node_ptr parse_continue_statement() + { + if (0 == state_.parsing_loop_stmt_count) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR156 - Invalid use of 'continue', allowed only in the scope of a loop", + exprtk_error_location)); + + return error_node(); + } + else + { + next_token(); + + brkcnt_list_.front() = true; + state_.activate_side_effect("parse_continue_statement()"); + + return node_allocator_.allocate >(); + } + } + #endif + + inline expression_node_ptr parse_define_vector_statement(const std::string& vec_name) + { + expression_node_ptr size_expression_node = error_node(); + + if (!token_is(token_t::e_lsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR157 - Expected '[' as part of vector size definition", + exprtk_error_location)); + + return error_node(); + } + else if (0 == (size_expression_node = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR158 - Failed to determine size of vector '" + vec_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (!is_constant_node(size_expression_node)) + { + const bool is_rebaseble_vector = + (size_expression_node->type() == details::expression_node::e_vecsize) && + static_cast*>(size_expression_node)->vec_holder()->rebaseable(); + + free_node(node_allocator_, size_expression_node); + + const std::string error_msg = (is_rebaseble_vector) ? + std::string("Rebasable/Resizable vector cannot be used to define the size of vector") : + std::string("Expected a constant literal number as size of vector"); + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR159 - " + error_msg + " '" + vec_name + "'", + exprtk_error_location)); + + return error_node(); + } + + const T vector_size = size_expression_node->value(); + + free_node(node_allocator_, size_expression_node); + + const std::size_t max_vector_size = settings_.max_local_vector_size(); + + if ( + (vector_size <= T(0)) || + std::not_equal_to() + (T(0),vector_size - details::numeric::trunc(vector_size)) || + (static_cast(vector_size) > max_vector_size) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR160 - Invalid vector size. Must be an integer in the " + "range [0," + details::to_str(static_cast(max_vector_size)) + "], size: " + + details::to_str(details::numeric::to_int32(vector_size)), + exprtk_error_location)); + + return error_node(); + } + + typename symbol_table_t::vector_holder_ptr vec_holder = typename symbol_table_t::vector_holder_ptr(0); + + const std::size_t vec_size = static_cast(details::numeric::to_int32(vector_size)); + const std::size_t predicted_total_lclsymb_size = sizeof(T) * vec_size + sem_.total_local_symb_size_bytes(); + + if (predicted_total_lclsymb_size > settings().max_total_local_symbol_size_bytes()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR161 - Adding vector '" + vec_name + "' of size " + details::to_str(vec_size) + " bytes " + "will exceed max total local symbol size of: " + details::to_str(settings().max_total_local_symbol_size_bytes()) + " bytes, " + "current total size: " + details::to_str(sem_.total_local_symb_size_bytes()) + " bytes", + exprtk_error_location)); + + return error_node(); + } + + scope_element& se = sem_.get_element(vec_name); + + if (se.name == vec_name) + { + if (se.active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR162 - Illegal redefinition of local vector: '" + vec_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if ( + (se.size == vec_size) && + (scope_element::e_vector == se.type) + ) + { + vec_holder = se.vec_node; + se.active = true; + se.depth = state_.scope_depth; + se.ref_count++; + } + } + + if (0 == vec_holder) + { + scope_element nse; + nse.name = vec_name; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_vector; + nse.depth = state_.scope_depth; + nse.size = vec_size; + nse.data = new T[vec_size]; + nse.vec_node = new typename scope_element::vector_holder_t(reinterpret_cast(nse.data),nse.size); + + details::set_zero_value(reinterpret_cast(nse.data),vec_size); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR163 - Failed to add new local vector '" + vec_name + "' to SEM", + exprtk_error_location)); + + sem_.free_element(nse); + + return error_node(); + } + + assert(sem_.total_local_symb_size_bytes() <= settings().max_total_local_symbol_size_bytes()); + + vec_holder = nse.vec_node; + + exprtk_debug(("parse_define_vector_statement() - INFO - Added new local vector: %s[%d]\n", + nse.name.c_str(), + static_cast(nse.size))); + } + + state_.activate_side_effect("parse_define_vector_statement()"); + + lodge_symbol(vec_name, e_st_local_vector); + + std::vector vec_initilizer_list; + + scoped_vec_delete svd((*this), vec_initilizer_list); + + bool single_value_initialiser = false; + bool range_value_initialiser = false; + bool vec_to_vec_initialiser = false; + bool null_initialisation = false; + + if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR164 - Expected ']' as part of vector size definition", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_eof, prsrhlpr_t::e_hold)) + { + if (!token_is(token_t::e_assign)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR165 - Expected ':=' as part of vector definition", + exprtk_error_location)); + + return error_node(); + } + else if (token_is(token_t::e_lsqrbracket)) + { + expression_node_ptr initialiser_component = parse_expression(); + + if (0 == initialiser_component) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR166 - Failed to parse first component of vector initialiser for vector: " + vec_name, + exprtk_error_location)); + + return error_node(); + } + + vec_initilizer_list.push_back(initialiser_component); + + if (token_is(token_t::e_colon)) + { + initialiser_component = parse_expression(); + + if (0 == initialiser_component) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR167 - Failed to parse second component of vector initialiser for vector: " + vec_name, + exprtk_error_location)); + + return error_node(); + } + + vec_initilizer_list.push_back(initialiser_component); + } + + if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR168 - Expected ']' to close single value vector initialiser", + exprtk_error_location)); + + return error_node(); + } + + switch (vec_initilizer_list.size()) + { + case 1 : single_value_initialiser = true; break; + case 2 : range_value_initialiser = true; break; + } + } + else if (!token_is(token_t::e_lcrlbracket)) + { + expression_node_ptr initialiser = error_node(); + + // Is this a vector to vector assignment and initialisation? + if (token_t::e_symbol == current_token().type) + { + // Is it a locally defined vector? + const scope_element& lcl_se = sem_.get_active_element(current_token().value); + + if (scope_element::e_vector == lcl_se.type) + { + if (0 != (initialiser = parse_expression())) + vec_initilizer_list.push_back(initialiser); + else + return error_node(); + } + // Are we dealing with a user defined vector? + else if (symtab_store_.is_vector(current_token().value)) + { + lodge_symbol(current_token().value, e_st_vector); + + if (0 != (initialiser = parse_expression())) + vec_initilizer_list.push_back(initialiser); + else + return error_node(); + } + // Are we dealing with a null initialisation vector definition? + else if (token_is(token_t::e_symbol,"null")) + null_initialisation = true; + } + + if (!null_initialisation) + { + if (0 == initialiser) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR169 - Expected '{' as part of vector initialiser list", + exprtk_error_location)); + + return error_node(); + } + else + vec_to_vec_initialiser = true; + } + } + else if (!token_is(token_t::e_rcrlbracket)) + { + for ( ; ; ) + { + expression_node_ptr initialiser = parse_expression(); + + if (0 == initialiser) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR170 - Expected '{' as part of vector initialiser list", + exprtk_error_location)); + + return error_node(); + } + else + vec_initilizer_list.push_back(initialiser); + + if (token_is(token_t::e_rcrlbracket)) + break; + + const bool is_next_close = peek_token_is(token_t::e_rcrlbracket); + + if (!token_is(token_t::e_comma) && is_next_close) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR171 - Expected ',' between vector initialisers", + exprtk_error_location)); + + return error_node(); + } + + if (token_is(token_t::e_rcrlbracket)) + break; + } + } + + if ( + !token_is(token_t::e_rbracket , prsrhlpr_t::e_hold) && + !token_is(token_t::e_rcrlbracket, prsrhlpr_t::e_hold) && + !token_is(token_t::e_rsqrbracket, prsrhlpr_t::e_hold) + ) + { + if (!token_is(token_t::e_eof,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR172 - Expected ';' at end of vector definition", + exprtk_error_location)); + + return error_node(); + } + } + + if ( + !single_value_initialiser && + !range_value_initialiser && + (T(vec_initilizer_list.size()) > vector_size) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR173 - Initialiser list larger than the number of elements in the vector: '" + vec_name + "'", + exprtk_error_location)); + + return error_node(); + } + } + + expression_node_ptr result = error_node(); + + if ( + (vec_initilizer_list.size() == 1) && + single_value_initialiser + ) + { + if (details::is_constant_node(vec_initilizer_list[0])) + { + // vector_init_zero_value_node var v[10] := [0] + if (T(0) == vec_initilizer_list[0]->value()) + { + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + else + { + // vector_init_single_constvalue_node var v[10] := [123] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + } + else + { + // vector_init_single_value_node var v[10] := [123 + (x / y)] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + } + else if ( + (vec_initilizer_list.size() == 2) && + range_value_initialiser + ) + { + bool base_const = details::is_constant_node(vec_initilizer_list[0]); + bool inc_const = details::is_constant_node(vec_initilizer_list[1]); + + if (base_const && inc_const) + { + // vector_init_single_value_node var v[10] := [1 : 3.5] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + else if (base_const && !inc_const) + { + // vector_init_single_value_node var v[10] := [1 : x + y] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + else if (!base_const && inc_const) + { + // vector_init_single_value_node var v[10] := [x + y : 3] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + else if (!base_const && !inc_const) + { + // vector_init_single_value_node var v[10] := [x + y : z / w] + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list); + } + } + else if (null_initialisation) + result = expression_generator_(T(0.0)); + else if (vec_to_vec_initialiser) + { + expression_node_ptr vec_node = node_allocator_.allocate(vec_holder); + + result = expression_generator_( + details::e_assign, + vec_node, + vec_initilizer_list[0]); + } + else + { + result = node_allocator_ + .allocate >( + (*vec_holder)[0], + vec_size, + vec_initilizer_list, + single_value_initialiser); + } + + svd.delete_ptr = false; + + if (result && result->valid()) + { + return result; + } + + details::free_node(node_allocator_, result); + + set_error(make_error( + parser_error::e_synthesis, + current_token(), + "ERR174 - Failed to generate initialisation node for vector: " + vec_name, + exprtk_error_location)); + + return error_node(); + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr parse_define_string_statement(const std::string& str_name, expression_node_ptr initialisation_expression) + { + stringvar_node_t* str_node = reinterpret_cast(0); + + scope_element& se = sem_.get_element(str_name); + + if (se.name == str_name) + { + if (se.active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR175 - Illegal redefinition of local variable: '" + str_name + "'", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + return error_node(); + } + else if (scope_element::e_string == se.type) + { + str_node = se.str_node; + se.active = true; + se.depth = state_.scope_depth; + se.ref_count++; + } + } + + if (0 == str_node) + { + scope_element nse; + nse.name = str_name; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_string; + nse.depth = state_.scope_depth; + nse.data = new std::string; + nse.str_node = new stringvar_node_t(*reinterpret_cast(nse.data)); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR176 - Failed to add new local string variable '" + str_name + "' to SEM", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + sem_.free_element(nse); + + return error_node(); + } + + assert(sem_.total_local_symb_size_bytes() <= settings().max_total_local_symbol_size_bytes()); + + str_node = nse.str_node; + + exprtk_debug(("parse_define_string_statement() - INFO - Added new local string variable: %s\n", nse.name.c_str())); + } + + lodge_symbol(str_name, e_st_local_string); + + state_.activate_side_effect("parse_define_string_statement()"); + + expression_node_ptr branch[2] = {0}; + + branch[0] = str_node; + branch[1] = initialisation_expression; + + return expression_generator_(details::e_assign,branch); + } + #else + inline expression_node_ptr parse_define_string_statement(const std::string&, expression_node_ptr) + { + return error_node(); + } + #endif + + inline bool local_variable_is_shadowed(const std::string& symbol) + { + const scope_element& se = sem_.get_element(symbol); + return (se.name == symbol) && se.active; + } + + inline expression_node_ptr parse_define_var_statement() + { + if (settings_.vardef_disabled()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR177 - Illegal variable definition", + exprtk_error_location)); + + return error_node(); + } + else if (!details::imatch(current_token().value,"var")) + { + return error_node(); + } + else + next_token(); + + const std::string var_name = current_token().value; + + expression_node_ptr initialisation_expression = error_node(); + + if (!token_is(token_t::e_symbol)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR178 - Expected a symbol for variable definition", + exprtk_error_location)); + + return error_node(); + } + else if (details::is_reserved_symbol(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR179 - Illegal redefinition of reserved keyword: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (symtab_store_.symbol_exists(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR180 - Illegal redefinition of variable '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (local_variable_is_shadowed(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR181 - Illegal redefinition of local variable: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (token_is(token_t::e_lsqrbracket,prsrhlpr_t::e_hold)) + { + return parse_define_vector_statement(var_name); + } + else if (token_is(token_t::e_lcrlbracket,prsrhlpr_t::e_hold)) + { + return parse_uninitialised_var_statement(var_name); + } + else if (token_is(token_t::e_assign)) + { + if (0 == (initialisation_expression = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR182 - Failed to parse initialisation expression for variable '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + } + + if ( + !token_is(token_t::e_rbracket , prsrhlpr_t::e_hold) && + !token_is(token_t::e_rcrlbracket, prsrhlpr_t::e_hold) && + !token_is(token_t::e_rsqrbracket, prsrhlpr_t::e_hold) + ) + { + if (!token_is(token_t::e_eof,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR183 - Expected ';' after variable '" + var_name + "' definition", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + return error_node(); + } + } + + if ( + (0 != initialisation_expression) && + details::is_generally_string_node(initialisation_expression) + ) + { + return parse_define_string_statement(var_name,initialisation_expression); + } + + expression_node_ptr var_node = reinterpret_cast(0); + + scope_element& se = sem_.get_element(var_name); + + if (se.name == var_name) + { + if (se.active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR184 - Illegal redefinition of local variable: '" + var_name + "'", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + return error_node(); + } + else if (scope_element::e_variable == se.type) + { + var_node = se.var_node; + se.active = true; + se.depth = state_.scope_depth; + se.ref_count++; + } + } + + if (0 == var_node) + { + const std::size_t predicted_total_lclsymb_size = sizeof(T) + sem_.total_local_symb_size_bytes(); + + if (predicted_total_lclsymb_size > settings().max_total_local_symbol_size_bytes()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR185 - Adding variable '" + var_name + "' " + "will exceed max total local symbol size of: " + details::to_str(settings().max_total_local_symbol_size_bytes()) + " bytes, " + "current total size: " + details::to_str(sem_.total_local_symb_size_bytes()) + " bytes", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + return error_node(); + } + + scope_element nse; + nse.name = var_name; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_variable; + nse.depth = state_.scope_depth; + nse.data = new T(T(0)); + nse.var_node = node_allocator_.allocate(*reinterpret_cast(nse.data)); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR186 - Failed to add new local variable '" + var_name + "' to SEM", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + sem_.free_element(nse); + + return error_node(); + } + + assert(sem_.total_local_symb_size_bytes() <= settings().max_total_local_symbol_size_bytes()); + + var_node = nse.var_node; + + exprtk_debug(("parse_define_var_statement() - INFO - Added new local variable: %s\n", nse.name.c_str())); + } + + state_.activate_side_effect("parse_define_var_statement()"); + + lodge_symbol(var_name, e_st_local_variable); + + expression_node_ptr branch[2] = {0}; + + branch[0] = var_node; + branch[1] = initialisation_expression ? initialisation_expression : expression_generator_(T(0)); + + return expression_generator_(details::e_assign,branch); + } + + inline expression_node_ptr parse_define_constvar_statement() + { + if (settings_.vardef_disabled()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR187 - Illegal const variable definition", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is("const")) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR188 - Expected 'const' keyword for const-variable definition", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is("var")) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR189 - Expected 'var' keyword for const-variable definition", + exprtk_error_location)); + + return error_node(); + } + + const std::string var_name = current_token().value; + + expression_node_ptr initialisation_expression = error_node(); + + if (!token_is(token_t::e_symbol)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR190 - Expected a symbol for const-variable definition", + exprtk_error_location)); + + return error_node(); + } + else if (details::is_reserved_symbol(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR191 - Illegal redefinition of reserved keyword: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (symtab_store_.symbol_exists(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR192 - Illegal redefinition of variable '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (local_variable_is_shadowed(var_name)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR193 - Illegal redefinition of local variable: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_assign)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR194 - Expected assignment operator after const-variable: '" + var_name + "' definition", + exprtk_error_location)); + + return error_node(); + } + else if (0 == (initialisation_expression = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR195 - Failed to parse initialisation expression for const-variable: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + + if (!details::is_literal_node(initialisation_expression)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR196 - initialisation expression for const-variable: '" + var_name + "' must be a constant/literal", + exprtk_error_location)); + + free_node(node_allocator_, initialisation_expression); + + return error_node(); + } + + assert(initialisation_expression); + + const T init_value = initialisation_expression->value(); + + free_node(node_allocator_, initialisation_expression); + + expression_node_ptr var_node = reinterpret_cast(0); + + scope_element& se = sem_.get_element(var_name); + + if (se.name == var_name) + { + if (se.active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR197 - Illegal redefinition of local variable: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (scope_element::e_literal == se.type) + { + var_node = se.var_node; + se.active = true; + se.depth = state_.scope_depth; + se.ref_count++; + } + } + + if (0 == var_node) + { + const std::size_t predicted_total_lclsymb_size = sizeof(T) + sem_.total_local_symb_size_bytes(); + + if (predicted_total_lclsymb_size > settings().max_total_local_symbol_size_bytes()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR198 - Adding variable '" + var_name + "' " + "will exceed max total local symbol size of: " + details::to_str(settings().max_total_local_symbol_size_bytes()) + " bytes, " + "current total size: " + details::to_str(sem_.total_local_symb_size_bytes()) + " bytes", + exprtk_error_location)); + + return error_node(); + } + + scope_element nse; + nse.name = var_name; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_literal; + nse.depth = state_.scope_depth; + nse.data = 0; + nse.var_node = node_allocator_.allocate(init_value); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR199 - Failed to add new local const-variable '" + var_name + "' to SEM", + exprtk_error_location)); + + sem_.free_element(nse); + + return error_node(); + } + + assert(sem_.total_local_symb_size_bytes() <= settings().max_total_local_symbol_size_bytes()); + + var_node = nse.var_node; + + exprtk_debug(("parse_define_constvar_statement() - INFO - Added new local const-variable: %s\n", nse.name.c_str())); + } + + state_.activate_side_effect("parse_define_constvar_statement()"); + + lodge_symbol(var_name, e_st_local_variable); + + return expression_generator_(var_node->value()); + } + + inline expression_node_ptr parse_uninitialised_var_statement(const std::string& var_name) + { + if ( + !token_is(token_t::e_lcrlbracket) || + !token_is(token_t::e_rcrlbracket) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR200 - Expected a '{}' for uninitialised var definition", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_eof,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR201 - Expected ';' after uninitialised variable definition", + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr var_node = reinterpret_cast(0); + + scope_element& se = sem_.get_element(var_name); + + if (se.name == var_name) + { + if (se.active) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR202 - Illegal redefinition of local variable: '" + var_name + "'", + exprtk_error_location)); + + return error_node(); + } + else if (scope_element::e_variable == se.type) + { + var_node = se.var_node; + se.active = true; + se.ref_count++; + } + } + + if (0 == var_node) + { + const std::size_t predicted_total_lclsymb_size = sizeof(T) + sem_.total_local_symb_size_bytes(); + + if (predicted_total_lclsymb_size > settings().max_total_local_symbol_size_bytes()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR203 - Adding variable '" + var_name + "' " + "will exceed max total local symbol size of: " + details::to_str(settings().max_total_local_symbol_size_bytes()) + " bytes, " + "current total size: " + details::to_str(sem_.total_local_symb_size_bytes()) + " bytes", + exprtk_error_location)); + + return error_node(); + } + + scope_element nse; + nse.name = var_name; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_variable; + nse.depth = state_.scope_depth; + nse.ip_index = sem_.next_ip_index(); + nse.data = new T(T(0)); + nse.var_node = node_allocator_.allocate(*reinterpret_cast(nse.data)); + + if (!sem_.add_element(nse)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR204 - Failed to add new local variable '" + var_name + "' to SEM", + exprtk_error_location)); + + sem_.free_element(nse); + + return error_node(); + } + + assert(sem_.total_local_symb_size_bytes() <= settings().max_total_local_symbol_size_bytes()); + + exprtk_debug(("parse_uninitialised_var_statement() - INFO - Added new local variable: %s\n", + nse.name.c_str())); + } + + lodge_symbol(var_name, e_st_local_variable); + + state_.activate_side_effect("parse_uninitialised_var_statement()"); + + return expression_generator_(T(0)); + } + + inline expression_node_ptr parse_swap_statement() + { + if (!details::imatch(current_token().value,"swap")) + { + return error_node(); + } + else + next_token(); + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR205 - Expected '(' at start of swap statement", + exprtk_error_location)); + + return error_node(); + } + + expression_node_ptr variable0 = error_node(); + expression_node_ptr variable1 = error_node(); + + bool variable0_generated = false; + bool variable1_generated = false; + + const std::string var0_name = current_token().value; + + if (!token_is(token_t::e_symbol,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR206 - Expected a symbol for variable or vector element definition", + exprtk_error_location)); + + return error_node(); + } + else if (peek_token_is(token_t::e_lsqrbracket)) + { + if (0 == (variable0 = parse_vector())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR207 - First parameter to swap is an invalid vector element: '" + var0_name + "'", + exprtk_error_location)); + + return error_node(); + } + + variable0_generated = true; + } + else + { + if (symtab_store_.is_variable(var0_name)) + { + variable0 = symtab_store_.get_variable(var0_name); + } + + const scope_element& se = sem_.get_element(var0_name); + + if ( + (se.active) && + (se.name == var0_name) && + (scope_element::e_variable == se.type) + ) + { + variable0 = se.var_node; + } + + lodge_symbol(var0_name, e_st_variable); + + if (0 == variable0) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR208 - First parameter to swap is an invalid variable: '" + var0_name + "'", + exprtk_error_location)); + + return error_node(); + } + else + next_token(); + } + + if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR209 - Expected ',' between parameters to swap", + exprtk_error_location)); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + return error_node(); + } + + const std::string var1_name = current_token().value; + + if (!token_is(token_t::e_symbol,prsrhlpr_t::e_hold)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR210 - Expected a symbol for variable or vector element definition", + exprtk_error_location)); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + return error_node(); + } + else if (peek_token_is(token_t::e_lsqrbracket)) + { + if (0 == (variable1 = parse_vector())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR211 - Second parameter to swap is an invalid vector element: '" + var1_name + "'", + exprtk_error_location)); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + return error_node(); + } + + variable1_generated = true; + } + else + { + if (symtab_store_.is_variable(var1_name)) + { + variable1 = symtab_store_.get_variable(var1_name); + } + + const scope_element& se = sem_.get_element(var1_name); + + if ( + (se.active) && + (se.name == var1_name) && + (scope_element::e_variable == se.type) + ) + { + variable1 = se.var_node; + } + + lodge_symbol(var1_name, e_st_variable); + + if (0 == variable1) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR212 - Second parameter to swap is an invalid variable: '" + var1_name + "'", + exprtk_error_location)); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + return error_node(); + } + else + next_token(); + } + + if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR213 - Expected ')' at end of swap statement", + exprtk_error_location)); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + if (variable1_generated) + { + free_node(node_allocator_, variable1); + } + + return error_node(); + } + + typedef details::variable_node* variable_node_ptr; + + variable_node_ptr v0 = variable_node_ptr(0); + variable_node_ptr v1 = variable_node_ptr(0); + + expression_node_ptr result = error_node(); + + if ( + (0 != (v0 = dynamic_cast(variable0))) && + (0 != (v1 = dynamic_cast(variable1))) + ) + { + result = node_allocator_.allocate >(v0, v1); + + if (variable0_generated) + { + free_node(node_allocator_, variable0); + } + + if (variable1_generated) + { + free_node(node_allocator_, variable1); + } + } + else + result = node_allocator_.allocate > + (variable0, variable1); + + state_.activate_side_effect("parse_swap_statement()"); + + return result; + } + + #ifndef exprtk_disable_return_statement + inline expression_node_ptr parse_return_statement() + { + if (state_.parsing_return_stmt) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR214 - Return call within a return call is not allowed", + exprtk_error_location)); + + return error_node(); + } + + scoped_bool_negator sbn(state_.parsing_return_stmt); + + std::vector arg_list; + + scoped_vec_delete svd((*this), arg_list); + + if (!details::imatch(current_token().value,"return")) + { + return error_node(); + } + else + next_token(); + + if (!token_is(token_t::e_lsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR215 - Expected '[' at start of return statement", + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rsqrbracket)) + { + for ( ; ; ) + { + expression_node_ptr arg = parse_expression(); + + if (0 == arg) + return error_node(); + + arg_list.push_back(arg); + + if (token_is(token_t::e_rsqrbracket)) + break; + else if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR216 - Expected ',' between values during call to return", + exprtk_error_location)); + + return error_node(); + } + } + } + else if (settings_.zero_return_disabled()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR217 - Zero parameter return statement not allowed", + exprtk_error_location)); + + return error_node(); + } + + const lexer::token prev_token = current_token(); + + if (token_is(token_t::e_rsqrbracket)) + { + if (!arg_list.empty()) + { + set_error(make_error( + parser_error::e_syntax, + prev_token, + "ERR218 - Invalid ']' found during return call", + exprtk_error_location)); + + return error_node(); + } + } + + std::string ret_param_type_list; + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + if (0 == arg_list[i]) + return error_node(); + else if (is_ivector_node(arg_list[i])) + ret_param_type_list += 'V'; + else if (is_generally_string_node(arg_list[i])) + ret_param_type_list += 'S'; + else + ret_param_type_list += 'T'; + } + + dec_.retparam_list_.push_back(ret_param_type_list); + + expression_node_ptr result = expression_generator_.return_call(arg_list); + + svd.delete_ptr = (0 == result); + + state_.return_stmt_present = true; + + state_.activate_side_effect("parse_return_statement()"); + + return result; + } + #else + inline expression_node_ptr parse_return_statement() + { + return error_node(); + } + #endif + + inline expression_node_ptr parse_assert_statement() + { + assert(details::imatch(current_token().value, "assert")); + + if (state_.parsing_assert_stmt) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR219 - Assert statement within an assert statement is not allowed", + exprtk_error_location)); + + return error_node(); + } + + scoped_bool_negator sbn(state_.parsing_assert_stmt); + + next_token(); + + std::vector assert_arg_list(3, error_node()); + scoped_vec_delete svd((*this), assert_arg_list); + + expression_node_ptr& assert_condition = assert_arg_list[0]; + expression_node_ptr& assert_message = assert_arg_list[1]; + expression_node_ptr& assert_id = assert_arg_list[2]; + + if (!token_is(token_t::e_lbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR220 - Expected '(' at start of assert statement", + exprtk_error_location)); + + return error_node(); + } + + const token_t start_token = current_token(); + + // Parse the assert condition + if (0 == (assert_condition = parse_expression())) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR221 - Failed to parse condition for assert statement", + exprtk_error_location)); + + return error_node(); + } + + const token_t end_token = current_token(); + + if (!token_is(token_t::e_rbracket)) + { + if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR222 - Expected ',' between condition and message for assert statement", + exprtk_error_location)); + + return error_node(); + } + // Parse the assert message + else if ( + (0 == (assert_message = parse_expression())) || + !details::is_generally_string_node(assert_message) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR223 - " + + (assert_message ? + std::string("Expected string for assert message") : + std::string("Failed to parse message for assert statement")), + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rbracket)) + { + if (!token_is(token_t::e_comma)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR224 - Expected ',' between message and ID for assert statement", + exprtk_error_location)); + + return error_node(); + } + // Parse assert ID + else if ( + (0 == (assert_id = parse_expression())) || + !details::is_const_string_node(assert_id) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR225 - " + + (assert_id ? + std::string("Expected literal string for assert ID") : + std::string("Failed to parse string for assert ID")), + exprtk_error_location)); + + return error_node(); + } + else if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR226 - Expected ')' at start of assert statement", + exprtk_error_location)); + + return error_node(); + } + } + } + + exprtk::assert_check::assert_context context; + context.condition = lexer().substr(start_token.position, end_token.position); + context.offet = start_token.position; + + if (0 == assert_check_) + { + exprtk_debug(("parse_assert_statement() - assert functionality is disabled. assert condition: %s\n", + context.condition.c_str())); + + return new details::null_node(); + } + + #ifndef exprtk_disable_string_capabilities + if (assert_message && details::is_const_string_node(assert_message)) + { + context.message = dynamic_cast*>(assert_message)->str(); + } + + if (assert_id && details::is_const_string_node(assert_id)) + { + context.id = dynamic_cast*>(assert_id)->str(); + + if (assert_ids_.end() != assert_ids_.find(context.id)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR227 - Duplicate assert ID: " + context.id, + exprtk_error_location)); + + return error_node(); + } + + assert_ids_.insert(context.id); + free_node(node_allocator_, assert_id); + } + #endif + + expression_node_ptr result_node = + expression_generator_.assert_call( + assert_condition, + assert_message, + context); + + exprtk_debug(("parse_assert_statement() - assert condition: [%s]\n", context.condition.c_str() )); + exprtk_debug(("parse_assert_statement() - assert message: [%s]\n", context.message .c_str() )); + exprtk_debug(("parse_assert_statement() - assert id: [%s]\n", context.id .c_str() )); + exprtk_debug(("parse_assert_statement() - assert offset: [%d]\n", static_cast(context.offet))); + + if (0 == result_node) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR228 - Failed to synthesize assert", + exprtk_error_location)); + + return error_node(); + } + + svd.delete_ptr = false; + return result_node; + } + + inline bool post_variable_process(const std::string& symbol) + { + if ( + peek_token_is(token_t::e_lbracket ) || + peek_token_is(token_t::e_lcrlbracket) || + peek_token_is(token_t::e_lsqrbracket) + ) + { + if (!settings_.commutative_check_enabled()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR229 - Invalid sequence of variable '" + symbol + "' and bracket", + exprtk_error_location)); + + return false; + } + + lexer().insert_front(token_t::e_mul); + } + + return true; + } + + inline bool post_bracket_process(const typename token_t::token_type& token, expression_node_ptr& branch) + { + bool implied_mul = false; + + if (details::is_generally_string_node(branch)) + return true; + + if (details::is_ivector_node(branch)) + return true; + + const lexer::parser_helper::token_advance_mode hold = prsrhlpr_t::e_hold; + + switch (token) + { + case token_t::e_lcrlbracket : implied_mul = token_is(token_t::e_lbracket , hold) || + token_is(token_t::e_lcrlbracket, hold) || + token_is(token_t::e_lsqrbracket, hold) ; + break; + + case token_t::e_lbracket : implied_mul = token_is(token_t::e_lbracket , hold) || + token_is(token_t::e_lcrlbracket, hold) || + token_is(token_t::e_lsqrbracket, hold) ; + break; + + case token_t::e_lsqrbracket : implied_mul = token_is(token_t::e_lbracket , hold) || + token_is(token_t::e_lcrlbracket, hold) || + token_is(token_t::e_lsqrbracket, hold) ; + break; + + default : return true; + } + + if (implied_mul) + { + if (!settings_.commutative_check_enabled()) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR230 - Invalid sequence of brackets", + exprtk_error_location)); + + return false; + } + else if (token_t::e_eof != current_token().type) + { + lexer().insert_front(current_token().type); + lexer().insert_front(token_t::e_mul); + next_token(); + } + } + + return true; + } + + typedef typename interval_container_t::interval_t interval_t; + typedef interval_container_t immutable_memory_map_t; + typedef std::map immutable_symtok_map_t; + + inline interval_t make_memory_range(const T& t) + { + const T* begin = reinterpret_cast(&t); + const T* end = begin + 1; + return interval_t(begin, end); + } + + inline interval_t make_memory_range(const T* begin, const std::size_t size) + { + return interval_t(begin, begin + size); + } + + inline interval_t make_memory_range(details::char_cptr begin, const std::size_t size) + { + return interval_t(begin, begin + size); + } + + void lodge_immutable_symbol(const lexer::token& token, const interval_t interval) + { + immutable_memory_map_.add_interval(interval); + immutable_symtok_map_[interval] = token; + } + + inline expression_node_ptr parse_symtab_symbol() + { + const std::string symbol = current_token().value; + + // Are we dealing with a variable or a special constant? + typedef typename symtab_store::variable_context var_ctxt_t; + var_ctxt_t var_ctx = symtab_store_.get_variable_context(symbol); + + if (var_ctx.variable) + { + assert(var_ctx.symbol_table); + + expression_node_ptr result_variable = var_ctx.variable; + + if (symtab_store_.is_constant_node(symbol)) + { + result_variable = expression_generator_(var_ctx.variable->value()); + } + else if (symbol_table_t::e_immutable == var_ctx.symbol_table->mutability()) + { + lodge_immutable_symbol(current_token(), make_memory_range(var_ctx.variable->ref())); + result_variable = var_ctx.variable; + } + + if (!post_variable_process(symbol)) + return error_node(); + + lodge_symbol(symbol, e_st_variable); + + next_token(); + + return result_variable; + } + + // Are we dealing with a locally defined variable, vector or string? + if (!sem_.empty()) + { + scope_element& se = sem_.get_active_element(symbol); + + if (se.active && details::imatch(se.name, symbol)) + { + if ( + (scope_element::e_variable == se.type) || + (scope_element::e_literal == se.type) + ) + { + se.active = true; + lodge_symbol(symbol, e_st_local_variable); + + if (!post_variable_process(symbol)) + return error_node(); + + next_token(); + + return (scope_element::e_variable == se.type) ? + se.var_node : + expression_generator_(se.var_node->value()); + } + else if (scope_element::e_vector == se.type) + { + return parse_vector(); + } + #ifndef exprtk_disable_string_capabilities + else if (scope_element::e_string == se.type) + { + return parse_string(); + } + #endif + } + } + + #ifndef exprtk_disable_string_capabilities + // Are we dealing with a string variable? + if (symtab_store_.is_stringvar(symbol)) + { + return parse_string(); + } + #endif + + { + // Are we dealing with a function? + ifunction* function = symtab_store_.get_function(symbol); + + if (function) + { + lodge_symbol(symbol, e_st_function); + + expression_node_ptr func_node = + parse_function_invocation(function,symbol); + + if (func_node) + return func_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR231 - Failed to generate node for function: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + + { + // Are we dealing with a vararg function? + ivararg_function* vararg_function = symtab_store_.get_vararg_function(symbol); + + if (vararg_function) + { + lodge_symbol(symbol, e_st_function); + + expression_node_ptr vararg_func_node = + parse_vararg_function_call(vararg_function, symbol); + + if (vararg_func_node) + return vararg_func_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR232 - Failed to generate node for vararg function: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + + { + // Are we dealing with a vararg generic function? + igeneric_function* generic_function = symtab_store_.get_generic_function(symbol); + + if (generic_function) + { + lodge_symbol(symbol, e_st_function); + + expression_node_ptr genericfunc_node = + parse_generic_function_call(generic_function, symbol); + + if (genericfunc_node) + return genericfunc_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR233 - Failed to generate node for generic function: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + + #ifndef exprtk_disable_string_capabilities + { + // Are we dealing with a vararg string returning function? + igeneric_function* string_function = symtab_store_.get_string_function(symbol); + + if (string_function) + { + lodge_symbol(symbol, e_st_function); + + expression_node_ptr stringfunc_node = + parse_string_function_call(string_function, symbol); + + if (stringfunc_node) + return stringfunc_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR234 - Failed to generate node for string function: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + + { + // Are we dealing with a vararg overloaded scalar/string returning function? + igeneric_function* overload_function = symtab_store_.get_overload_function(symbol); + + if (overload_function) + { + lodge_symbol(symbol, e_st_function); + + expression_node_ptr overloadfunc_node = + parse_overload_function_call(overload_function, symbol); + + if (overloadfunc_node) + return overloadfunc_node; + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR235 - Failed to generate node for overload function: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + } + #endif + + // Are we dealing with a vector? + if (symtab_store_.is_vector(symbol)) + { + lodge_symbol(symbol, e_st_vector); + return parse_vector(); + } + + if (details::is_reserved_symbol(symbol)) + { + if ( + settings_.function_enabled(symbol) || + !details::is_base_function(symbol) + ) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR236 - Invalid use of reserved symbol '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + + // Should we handle unknown symbols? + if (resolve_unknown_symbol_ && unknown_symbol_resolver_) + { + if (!(settings_.rsrvd_sym_usr_disabled() && details::is_reserved_symbol(symbol))) + { + symbol_table_t& symtab = symtab_store_.get_symbol_table(); + + std::string error_message; + + if (unknown_symbol_resolver::e_usrmode_default == unknown_symbol_resolver_->mode) + { + T default_value = T(0); + + typename unknown_symbol_resolver::usr_symbol_type usr_symbol_type = unknown_symbol_resolver::e_usr_unknown_type; + + if (unknown_symbol_resolver_->process(symbol, usr_symbol_type, default_value, error_message)) + { + bool create_result = false; + + switch (usr_symbol_type) + { + case unknown_symbol_resolver::e_usr_variable_type : + create_result = symtab.create_variable(symbol, default_value); + break; + + case unknown_symbol_resolver::e_usr_constant_type : + create_result = symtab.add_constant(symbol, default_value); + break; + + default : create_result = false; + } + + if (create_result) + { + expression_node_ptr var = symtab_store_.get_variable(symbol); + + if (var) + { + if (symtab_store_.is_constant_node(symbol)) + { + var = expression_generator_(var->value()); + } + + lodge_symbol(symbol, e_st_variable); + + if (!post_variable_process(symbol)) + return error_node(); + + next_token(); + + return var; + } + } + } + + set_error(make_error( + parser_error::e_symtab, + current_token(), + "ERR237 - Failed to create variable: '" + symbol + "'" + + (error_message.empty() ? "" : " - " + error_message), + exprtk_error_location)); + + } + else if (unknown_symbol_resolver::e_usrmode_extended == unknown_symbol_resolver_->mode) + { + if (unknown_symbol_resolver_->process(symbol, symtab, error_message)) + { + expression_node_ptr result = parse_symtab_symbol(); + + if (result) + { + return result; + } + } + + set_error(make_error( + parser_error::e_symtab, + current_token(), + "ERR238 - Failed to resolve symbol: '" + symbol + "'" + + (error_message.empty() ? "" : " - " + error_message), + exprtk_error_location)); + } + + return error_node(); + } + } + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR239 - Undefined symbol: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + + inline expression_node_ptr check_block_statement_closure(expression_node_ptr expression) + { + if ( + expression && + ( + (current_token().type == token_t::e_symbol) || + (current_token().type == token_t::e_number) + ) + ) + { + free_node(node_allocator_, expression); + + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR240 - Invalid syntax '" + current_token().value + "' possible missing operator or context", + exprtk_error_location)); + + return error_node(); + } + + return expression; + } + + inline expression_node_ptr parse_symbol() + { + static const std::string symbol_if = "if" ; + static const std::string symbol_while = "while" ; + static const std::string symbol_repeat = "repeat" ; + static const std::string symbol_for = "for" ; + static const std::string symbol_switch = "switch" ; + static const std::string symbol_null = "null" ; + static const std::string symbol_break = "break" ; + static const std::string symbol_continue = "continue"; + static const std::string symbol_var = "var" ; + static const std::string symbol_const = "const" ; + static const std::string symbol_swap = "swap" ; + static const std::string symbol_return = "return" ; + static const std::string symbol_not = "not" ; + static const std::string symbol_assert = "assert" ; + + const std::string symbol = current_token().value; + + if (valid_vararg_operation(symbol)) + { + return parse_vararg_function(); + } + else if (details::imatch(symbol, symbol_not)) + { + return parse_not_statement(); + } + else if (valid_base_operation(symbol)) + { + return parse_base_operation(); + } + else if ( + details::imatch(symbol, symbol_if) && + settings_.control_struct_enabled(symbol) + ) + { + return parse_conditional_statement(); + } + else if ( + details::imatch(symbol, symbol_while) && + settings_.control_struct_enabled(symbol) + ) + { + return check_block_statement_closure(parse_while_loop()); + } + else if ( + details::imatch(symbol, symbol_repeat) && + settings_.control_struct_enabled(symbol) + ) + { + return check_block_statement_closure(parse_repeat_until_loop()); + } + else if ( + details::imatch(symbol, symbol_for) && + settings_.control_struct_enabled(symbol) + ) + { + return check_block_statement_closure(parse_for_loop()); + } + else if ( + details::imatch(symbol, symbol_switch) && + settings_.control_struct_enabled(symbol) + ) + { + return check_block_statement_closure(parse_switch_statement()); + } + else if (details::is_valid_sf_symbol(symbol)) + { + return parse_special_function(); + } + else if (details::imatch(symbol, symbol_null)) + { + return parse_null_statement(); + } + #ifndef exprtk_disable_break_continue + else if (details::imatch(symbol, symbol_break)) + { + return parse_break_statement(); + } + else if (details::imatch(symbol, symbol_continue)) + { + return parse_continue_statement(); + } + #endif + else if (details::imatch(symbol, symbol_var)) + { + return parse_define_var_statement(); + } + else if (details::imatch(symbol, symbol_const)) + { + return parse_define_constvar_statement(); + } + else if (details::imatch(symbol, symbol_swap)) + { + return parse_swap_statement(); + } + #ifndef exprtk_disable_return_statement + else if ( + details::imatch(symbol, symbol_return) && + settings_.control_struct_enabled(symbol) + ) + { + return check_block_statement_closure(parse_return_statement()); + } + #endif + else if (details::imatch(symbol, symbol_assert)) + { + return parse_assert_statement(); + } + else if (symtab_store_.valid() || !sem_.empty()) + { + return parse_symtab_symbol(); + } + else + { + set_error(make_error( + parser_error::e_symtab, + current_token(), + "ERR241 - Unknown variable or function encountered. Symbol table(s) " + "is either invalid or does not contain symbol: '" + symbol + "'", + exprtk_error_location)); + + return error_node(); + } + } + + inline expression_node_ptr parse_branch(precedence_level precedence = e_level00) + { + stack_limit_handler slh(*this); + + if (!slh) + { + return error_node(); + } + + expression_node_ptr branch = error_node(); + + if (token_t::e_number == current_token().type) + { + T numeric_value = T(0); + + if (details::string_to_real(current_token().value, numeric_value)) + { + expression_node_ptr literal_exp = expression_generator_(numeric_value); + + if (0 == literal_exp) + { + set_error(make_error( + parser_error::e_numeric, + current_token(), + "ERR242 - Failed generate node for scalar: '" + current_token().value + "'", + exprtk_error_location)); + + return error_node(); + } + + next_token(); + branch = literal_exp; + } + else + { + set_error(make_error( + parser_error::e_numeric, + current_token(), + "ERR243 - Failed to convert '" + current_token().value + "' to a number", + exprtk_error_location)); + + return error_node(); + } + } + else if (token_t::e_symbol == current_token().type) + { + branch = parse_symbol(); + } + #ifndef exprtk_disable_string_capabilities + else if (token_t::e_string == current_token().type) + { + branch = parse_const_string(); + } + #endif + else if (token_t::e_lbracket == current_token().type) + { + next_token(); + + if (0 == (branch = parse_expression())) + { + return error_node(); + } + + token_is(token_t::e_eof); + + if (!token_is(token_t::e_rbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR244 - Expected ')' instead of: '" + current_token().value + "'", + exprtk_error_location)); + + details::free_node(node_allocator_, branch); + + return error_node(); + } + else if (!post_bracket_process(token_t::e_lbracket,branch)) + { + details::free_node(node_allocator_, branch); + + return error_node(); + } + + parse_pending_vector_index_operator(branch); + } + else if (token_t::e_lsqrbracket == current_token().type) + { + next_token(); + + if (0 == (branch = parse_expression())) + return error_node(); + else if (!token_is(token_t::e_rsqrbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR245 - Expected ']' instead of: '" + current_token().value + "'", + exprtk_error_location)); + + details::free_node(node_allocator_, branch); + + return error_node(); + } + else if (!post_bracket_process(token_t::e_lsqrbracket,branch)) + { + details::free_node(node_allocator_, branch); + + return error_node(); + } + } + else if (token_t::e_lcrlbracket == current_token().type) + { + next_token(); + + if (0 == (branch = parse_expression())) + return error_node(); + else if (!token_is(token_t::e_rcrlbracket)) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR246 - Expected '}' instead of: '" + current_token().value + "'", + exprtk_error_location)); + + details::free_node(node_allocator_, branch); + + return error_node(); + } + else if (!post_bracket_process(token_t::e_lcrlbracket,branch)) + { + details::free_node(node_allocator_, branch); + + return error_node(); + } + } + else if (token_t::e_sub == current_token().type) + { + next_token(); + branch = parse_expression(e_level11); + + if ( + branch && + !( + details::is_neg_unary_node (branch) && + simplify_unary_negation_branch(branch) + ) + ) + { + expression_node_ptr result = expression_generator_(details::e_neg,branch); + + if (0 == result) + { + details::free_node(node_allocator_, branch); + + return error_node(); + } + else + branch = result; + } + } + else if (token_t::e_add == current_token().type) + { + next_token(); + branch = parse_expression(e_level13); + } + else if (token_t::e_eof == current_token().type) + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR247 - Premature end of expression[1]", + exprtk_error_location)); + + return error_node(); + } + else + { + set_error(make_error( + parser_error::e_syntax, + current_token(), + "ERR248 - Premature end of expression[2]", + exprtk_error_location)); + + return error_node(); + } + + if ( + branch && + (e_level00 == precedence) && + token_is(token_t::e_ternary,prsrhlpr_t::e_hold) + ) + { + branch = parse_ternary_conditional_statement(branch); + } + + parse_pending_string_rangesize(branch); + + return branch; + } + + template + class expression_generator + { + public: + + typedef details::expression_node* expression_node_ptr; + typedef expression_node_ptr (*synthesize_functor_t)(expression_generator&, const details::operator_type& operation, expression_node_ptr (&branch)[2]); + typedef std::map synthesize_map_t; + typedef typename exprtk::parser parser_t; + typedef const Type& vtype; + typedef const Type ctype; + + inline void init_synthesize_map() + { + #ifndef exprtk_disable_enhanced_features + synthesize_map_["(v)o(v)"] = synthesize_vov_expression::process; + synthesize_map_["(c)o(v)"] = synthesize_cov_expression::process; + synthesize_map_["(v)o(c)"] = synthesize_voc_expression::process; + + #define register_synthezier(S) \ + synthesize_map_[S ::node_type::id()] = S ::process; \ + + register_synthezier(synthesize_vovov_expression0) + register_synthezier(synthesize_vovov_expression1) + register_synthezier(synthesize_vovoc_expression0) + register_synthezier(synthesize_vovoc_expression1) + register_synthezier(synthesize_vocov_expression0) + register_synthezier(synthesize_vocov_expression1) + register_synthezier(synthesize_covov_expression0) + register_synthezier(synthesize_covov_expression1) + register_synthezier(synthesize_covoc_expression0) + register_synthezier(synthesize_covoc_expression1) + register_synthezier(synthesize_cocov_expression1) + register_synthezier(synthesize_vococ_expression0) + + register_synthezier(synthesize_vovovov_expression0) + register_synthezier(synthesize_vovovoc_expression0) + register_synthezier(synthesize_vovocov_expression0) + register_synthezier(synthesize_vocovov_expression0) + register_synthezier(synthesize_covovov_expression0) + register_synthezier(synthesize_covocov_expression0) + register_synthezier(synthesize_vocovoc_expression0) + register_synthezier(synthesize_covovoc_expression0) + register_synthezier(synthesize_vococov_expression0) + + register_synthezier(synthesize_vovovov_expression1) + register_synthezier(synthesize_vovovoc_expression1) + register_synthezier(synthesize_vovocov_expression1) + register_synthezier(synthesize_vocovov_expression1) + register_synthezier(synthesize_covovov_expression1) + register_synthezier(synthesize_covocov_expression1) + register_synthezier(synthesize_vocovoc_expression1) + register_synthezier(synthesize_covovoc_expression1) + register_synthezier(synthesize_vococov_expression1) + + register_synthezier(synthesize_vovovov_expression2) + register_synthezier(synthesize_vovovoc_expression2) + register_synthezier(synthesize_vovocov_expression2) + register_synthezier(synthesize_vocovov_expression2) + register_synthezier(synthesize_covovov_expression2) + register_synthezier(synthesize_covocov_expression2) + register_synthezier(synthesize_vocovoc_expression2) + register_synthezier(synthesize_covovoc_expression2) + + register_synthezier(synthesize_vovovov_expression3) + register_synthezier(synthesize_vovovoc_expression3) + register_synthezier(synthesize_vovocov_expression3) + register_synthezier(synthesize_vocovov_expression3) + register_synthezier(synthesize_covovov_expression3) + register_synthezier(synthesize_covocov_expression3) + register_synthezier(synthesize_vocovoc_expression3) + register_synthezier(synthesize_covovoc_expression3) + register_synthezier(synthesize_vococov_expression3) + + register_synthezier(synthesize_vovovov_expression4) + register_synthezier(synthesize_vovovoc_expression4) + register_synthezier(synthesize_vovocov_expression4) + register_synthezier(synthesize_vocovov_expression4) + register_synthezier(synthesize_covovov_expression4) + register_synthezier(synthesize_covocov_expression4) + register_synthezier(synthesize_vocovoc_expression4) + register_synthezier(synthesize_covovoc_expression4) + + #undef register_synthezier + #endif + } + + inline void set_parser(parser_t& p) + { + parser_ = &p; + } + + inline void set_uom(unary_op_map_t& unary_op_map) + { + unary_op_map_ = &unary_op_map; + } + + inline void set_bom(binary_op_map_t& binary_op_map) + { + binary_op_map_ = &binary_op_map; + } + + inline void set_ibom(inv_binary_op_map_t& inv_binary_op_map) + { + inv_binary_op_map_ = &inv_binary_op_map; + } + + inline void set_sf3m(sf3_map_t& sf3_map) + { + sf3_map_ = &sf3_map; + } + + inline void set_sf4m(sf4_map_t& sf4_map) + { + sf4_map_ = &sf4_map; + } + + inline void set_allocator(details::node_allocator& na) + { + node_allocator_ = &na; + } + + inline void set_strength_reduction_state(const bool enabled) + { + strength_reduction_enabled_ = enabled; + } + + inline bool strength_reduction_enabled() const + { + return strength_reduction_enabled_; + } + + inline bool valid_operator(const details::operator_type& operation, binary_functor_t& bop) + { + typename binary_op_map_t::iterator bop_itr = binary_op_map_->find(operation); + + if (binary_op_map_->end() == bop_itr) + return false; + + bop = bop_itr->second; + + return true; + } + + inline bool valid_operator(const details::operator_type& operation, unary_functor_t& uop) + { + typename unary_op_map_t::iterator uop_itr = unary_op_map_->find(operation); + + if ((*unary_op_map_).end() == uop_itr) + return false; + + uop = uop_itr->second; + + return true; + } + + inline details::operator_type get_operator(const binary_functor_t& bop) const + { + return (*inv_binary_op_map_).find(bop)->second; + } + + inline expression_node_ptr operator() (const Type& v) const + { + return node_allocator_->allocate(v); + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr operator() (const std::string& s) const + { + return node_allocator_->allocate(s); + } + + inline expression_node_ptr operator() (std::string& s, range_t& rp) const + { + return node_allocator_->allocate_rr(s,rp); + } + + inline expression_node_ptr operator() (const std::string& s, range_t& rp) const + { + return node_allocator_->allocate_tt(s,rp); + } + + inline expression_node_ptr operator() (expression_node_ptr branch, range_t& rp) const + { + if (is_generally_string_node(branch)) + return node_allocator_->allocate_tt(branch,rp); + else + return error_node(); + } + #endif + + inline bool unary_optimisable(const details::operator_type& operation) const + { + return (details::e_abs == operation) || (details::e_acos == operation) || + (details::e_acosh == operation) || (details::e_asin == operation) || + (details::e_asinh == operation) || (details::e_atan == operation) || + (details::e_atanh == operation) || (details::e_ceil == operation) || + (details::e_cos == operation) || (details::e_cosh == operation) || + (details::e_exp == operation) || (details::e_expm1 == operation) || + (details::e_floor == operation) || (details::e_log == operation) || + (details::e_log10 == operation) || (details::e_log2 == operation) || + (details::e_log1p == operation) || (details::e_neg == operation) || + (details::e_pos == operation) || (details::e_round == operation) || + (details::e_sin == operation) || (details::e_sinc == operation) || + (details::e_sinh == operation) || (details::e_sqrt == operation) || + (details::e_tan == operation) || (details::e_tanh == operation) || + (details::e_cot == operation) || (details::e_sec == operation) || + (details::e_csc == operation) || (details::e_r2d == operation) || + (details::e_d2r == operation) || (details::e_d2g == operation) || + (details::e_g2d == operation) || (details::e_notl == operation) || + (details::e_sgn == operation) || (details::e_erf == operation) || + (details::e_erfc == operation) || (details::e_ncdf == operation) || + (details::e_frac == operation) || (details::e_trunc == operation) ; + } + + inline bool sf3_optimisable(const std::string& sf3id, trinary_functor_t& tfunc) const + { + typename sf3_map_t::const_iterator itr = sf3_map_->find(sf3id); + + if (sf3_map_->end() == itr) + return false; + else + tfunc = itr->second.first; + + return true; + } + + inline bool sf4_optimisable(const std::string& sf4id, quaternary_functor_t& qfunc) const + { + typename sf4_map_t::const_iterator itr = sf4_map_->find(sf4id); + + if (sf4_map_->end() == itr) + return false; + else + qfunc = itr->second.first; + + return true; + } + + inline bool sf3_optimisable(const std::string& sf3id, details::operator_type& operation) const + { + typename sf3_map_t::const_iterator itr = sf3_map_->find(sf3id); + + if (sf3_map_->end() == itr) + return false; + else + operation = itr->second.second; + + return true; + } + + inline bool sf4_optimisable(const std::string& sf4id, details::operator_type& operation) const + { + typename sf4_map_t::const_iterator itr = sf4_map_->find(sf4id); + + if (sf4_map_->end() == itr) + return false; + else + operation = itr->second.second; + + return true; + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr (&branch)[1]) + { + if (0 == branch[0]) + { + return error_node(); + } + else if (details::is_null_node(branch[0])) + { + return branch[0]; + } + else if (details::is_break_node(branch[0])) + { + return error_node(); + } + else if (details::is_continue_node(branch[0])) + { + return error_node(); + } + else if (details::is_constant_node(branch[0])) + { + return synthesize_expression(operation,branch); + } + else if (unary_optimisable(operation) && details::is_variable_node(branch[0])) + { + return synthesize_uv_expression(operation,branch); + } + else if (unary_optimisable(operation) && details::is_ivector_node(branch[0])) + { + return synthesize_uvec_expression(operation,branch); + } + else + return synthesize_unary_expression(operation,branch); + } + + inline bool is_assignment_operation(const details::operator_type& operation) const + { + return ( + (details::e_addass == operation) || + (details::e_subass == operation) || + (details::e_mulass == operation) || + (details::e_divass == operation) || + (details::e_modass == operation) + ) && + parser_->settings_.assignment_enabled(operation); + } + + #ifndef exprtk_disable_string_capabilities + inline bool valid_string_operation(const details::operator_type& operation) const + { + return (details::e_add == operation) || + (details::e_lt == operation) || + (details::e_lte == operation) || + (details::e_gt == operation) || + (details::e_gte == operation) || + (details::e_eq == operation) || + (details::e_ne == operation) || + (details::e_in == operation) || + (details::e_like == operation) || + (details::e_ilike == operation) || + (details::e_assign == operation) || + (details::e_addass == operation) || + (details::e_swap == operation) ; + } + #else + inline bool valid_string_operation(const details::operator_type&) const + { + return false; + } + #endif + + inline std::string to_str(const details::operator_type& operation) const + { + switch (operation) + { + case details::e_add : return "+" ; + case details::e_sub : return "-" ; + case details::e_mul : return "*" ; + case details::e_div : return "/" ; + case details::e_mod : return "%" ; + case details::e_pow : return "^" ; + case details::e_lt : return "<" ; + case details::e_lte : return "<=" ; + case details::e_gt : return ">" ; + case details::e_gte : return ">=" ; + case details::e_eq : return "==" ; + case details::e_ne : return "!=" ; + case details::e_and : return "and" ; + case details::e_nand : return "nand" ; + case details::e_or : return "or" ; + case details::e_nor : return "nor" ; + case details::e_xor : return "xor" ; + case details::e_xnor : return "xnor" ; + default : return "UNKNOWN"; + } + } + + inline bool operation_optimisable(const details::operator_type& operation) const + { + return (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) || + (details::e_mod == operation) || + (details::e_pow == operation) || + (details::e_lt == operation) || + (details::e_lte == operation) || + (details::e_gt == operation) || + (details::e_gte == operation) || + (details::e_eq == operation) || + (details::e_ne == operation) || + (details::e_and == operation) || + (details::e_nand == operation) || + (details::e_or == operation) || + (details::e_nor == operation) || + (details::e_xor == operation) || + (details::e_xnor == operation) ; + } + + inline std::string branch_to_id(expression_node_ptr branch) const + { + static const std::string null_str ("(null)" ); + static const std::string const_str ("(c)" ); + static const std::string var_str ("(v)" ); + static const std::string vov_str ("(vov)" ); + static const std::string cov_str ("(cov)" ); + static const std::string voc_str ("(voc)" ); + static const std::string str_str ("(s)" ); + static const std::string strrng_str ("(rngs)" ); + static const std::string cs_str ("(cs)" ); + static const std::string cstrrng_str("(crngs)"); + + if (details::is_null_node(branch)) + return null_str; + else if (details::is_constant_node(branch)) + return const_str; + else if (details::is_variable_node(branch)) + return var_str; + else if (details::is_vov_node(branch)) + return vov_str; + else if (details::is_cov_node(branch)) + return cov_str; + else if (details::is_voc_node(branch)) + return voc_str; + else if (details::is_string_node(branch)) + return str_str; + else if (details::is_const_string_node(branch)) + return cs_str; + else if (details::is_string_range_node(branch)) + return strrng_str; + else if (details::is_const_string_range_node(branch)) + return cstrrng_str; + else if (details::is_t0ot1ot2_node(branch)) + return "(" + dynamic_cast*>(branch)->type_id() + ")"; + else if (details::is_t0ot1ot2ot3_node(branch)) + return "(" + dynamic_cast*>(branch)->type_id() + ")"; + else + return "ERROR"; + } + + inline std::string branch_to_id(expression_node_ptr (&branch)[2]) const + { + return branch_to_id(branch[0]) + std::string("o") + branch_to_id(branch[1]); + } + + inline bool cov_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_constant_node(branch[0]) && + details::is_variable_node(branch[1]) ; + } + + inline bool voc_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_variable_node(branch[0]) && + details::is_constant_node(branch[1]) ; + } + + inline bool vov_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_variable_node(branch[0]) && + details::is_variable_node(branch[1]) ; + } + + inline bool cob_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_constant_node(branch[0]) && + !details::is_constant_node(branch[1]) ; + } + + inline bool boc_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return !details::is_constant_node(branch[0]) && + details::is_constant_node(branch[1]) ; + } + + inline bool cocob_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + return (details::is_constant_node(branch[0]) && details::is_cob_node(branch[1])) || + (details::is_constant_node(branch[1]) && details::is_cob_node(branch[0])) ; + } + else + return false; + } + + inline bool coboc_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + return (details::is_constant_node(branch[0]) && details::is_boc_node(branch[1])) || + (details::is_constant_node(branch[1]) && details::is_boc_node(branch[0])) ; + } + else + return false; + } + + inline bool uvouv_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_uv_node(branch[0]) && + details::is_uv_node(branch[1]) ; + } + + inline bool vob_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return details::is_variable_node(branch[0]) && + !details::is_variable_node(branch[1]) ; + } + + inline bool bov_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return !details::is_variable_node(branch[0]) && + details::is_variable_node(branch[1]) ; + } + + inline bool binext_optimisable(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!operation_optimisable(operation)) + return false; + else + return !details::is_constant_node(branch[0]) || + !details::is_constant_node(branch[1]) ; + } + + inline bool is_invalid_assignment_op(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (is_assignment_operation(operation)) + { + const bool b1_is_genstring = details::is_generally_string_node(branch[1]); + + if (details::is_string_node(branch[0])) + return !b1_is_genstring; + else if (details::is_literal_node(branch[0])) + return true; + else + return ( + !details::is_variable_node (branch[0]) && + !details::is_vector_elem_node (branch[0]) && + !details::is_vector_celem_node (branch[0]) && + !details::is_vector_elem_rtc_node (branch[0]) && + !details::is_vector_celem_rtc_node (branch[0]) && + !details::is_rebasevector_elem_node (branch[0]) && + !details::is_rebasevector_celem_node (branch[0]) && + !details::is_rebasevector_elem_rtc_node (branch[0]) && + !details::is_rebasevector_celem_rtc_node(branch[0]) && + !details::is_vector_node (branch[0]) + ) + || b1_is_genstring; + } + else + return false; + } + + inline bool is_constpow_operation(const details::operator_type& operation, expression_node_ptr(&branch)[2]) const + { + if ( + !details::is_constant_node(branch[1]) || + details::is_constant_node(branch[0]) || + details::is_variable_node(branch[0]) || + details::is_vector_node (branch[0]) || + details::is_generally_string_node(branch[0]) + ) + return false; + + const Type c = static_cast*>(branch[1])->value(); + + return cardinal_pow_optimisable(operation, c); + } + + inline bool is_invalid_break_continue_op(expression_node_ptr (&branch)[2]) const + { + return ( + details::is_break_node (branch[0]) || + details::is_break_node (branch[1]) || + details::is_continue_node(branch[0]) || + details::is_continue_node(branch[1]) + ); + } + + inline bool is_invalid_string_op(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + const bool b0_string = is_generally_string_node(branch[0]); + const bool b1_string = is_generally_string_node(branch[1]); + + bool result = false; + + if (b0_string != b1_string) + result = true; + else if (!valid_string_operation(operation) && b0_string && b1_string) + result = true; + + if (result) + { + parser_->set_synthesis_error("Invalid string operation"); + } + + return result; + } + + inline bool is_invalid_string_op(const details::operator_type& operation, expression_node_ptr (&branch)[3]) const + { + const bool b0_string = is_generally_string_node(branch[0]); + const bool b1_string = is_generally_string_node(branch[1]); + const bool b2_string = is_generally_string_node(branch[2]); + + bool result = false; + + if ((b0_string != b1_string) || (b1_string != b2_string)) + result = true; + else if ((details::e_inrange != operation) && b0_string && b1_string && b2_string) + result = true; + + if (result) + { + parser_->set_synthesis_error("Invalid string operation"); + } + + return result; + } + + inline bool is_string_operation(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + const bool b0_string = is_generally_string_node(branch[0]); + const bool b1_string = is_generally_string_node(branch[1]); + + return (b0_string && b1_string && valid_string_operation(operation)); + } + + inline bool is_string_operation(const details::operator_type& operation, expression_node_ptr (&branch)[3]) const + { + const bool b0_string = is_generally_string_node(branch[0]); + const bool b1_string = is_generally_string_node(branch[1]); + const bool b2_string = is_generally_string_node(branch[2]); + + return (b0_string && b1_string && b2_string && (details::e_inrange == operation)); + } + + #ifndef exprtk_disable_sc_andor + inline bool is_shortcircuit_expression(const details::operator_type& operation) const + { + return ( + (details::e_scand == operation) || + (details::e_scor == operation) + ); + } + #else + inline bool is_shortcircuit_expression(const details::operator_type&) const + { + return false; + } + #endif + + inline bool is_null_present(expression_node_ptr (&branch)[2]) const + { + return ( + details::is_null_node(branch[0]) || + details::is_null_node(branch[1]) + ); + } + + inline bool is_vector_eqineq_logic_operation(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!is_ivector_node(branch[0]) && !is_ivector_node(branch[1])) + return false; + else + return ( + (details::e_lt == operation) || + (details::e_lte == operation) || + (details::e_gt == operation) || + (details::e_gte == operation) || + (details::e_eq == operation) || + (details::e_ne == operation) || + (details::e_equal == operation) || + (details::e_and == operation) || + (details::e_nand == operation) || + (details::e_or == operation) || + (details::e_nor == operation) || + (details::e_xor == operation) || + (details::e_xnor == operation) + ); + } + + inline bool is_vector_arithmetic_operation(const details::operator_type& operation, expression_node_ptr (&branch)[2]) const + { + if (!is_ivector_node(branch[0]) && !is_ivector_node(branch[1])) + return false; + else + return ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) || + (details::e_pow == operation) + ); + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr (&branch)[2]) + { + if ((0 == branch[0]) || (0 == branch[1])) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR249 - Invalid branches received for operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_string_op(operation,branch)) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR250 - Invalid branch pair for string operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_assignment_op(operation,branch)) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR251 - Invalid branch pair for assignment operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_break_continue_op(branch)) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR252 - Invalid branch pair for break/continue operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (details::e_assign == operation) + { + return synthesize_assignment_expression(operation, branch); + } + else if (details::e_swap == operation) + { + return synthesize_swap_expression(branch); + } + else if (is_assignment_operation(operation)) + { + return synthesize_assignment_operation_expression(operation, branch); + } + else if (is_vector_eqineq_logic_operation(operation, branch)) + { + return synthesize_veceqineqlogic_operation_expression(operation, branch); + } + else if (is_vector_arithmetic_operation(operation, branch)) + { + return synthesize_vecarithmetic_operation_expression(operation, branch); + } + else if (is_shortcircuit_expression(operation)) + { + return synthesize_shortcircuit_expression(operation, branch); + } + else if (is_string_operation(operation, branch)) + { + return synthesize_string_expression(operation, branch); + } + else if (is_null_present(branch)) + { + return synthesize_null_expression(operation, branch); + } + #ifndef exprtk_disable_cardinal_pow_optimisation + else if (is_constpow_operation(operation, branch)) + { + return cardinal_pow_optimisation(branch); + } + #endif + + expression_node_ptr result = error_node(); + + #ifndef exprtk_disable_enhanced_features + if (synthesize_expression(operation, branch, result)) + { + return result; + } + else + #endif + + { + /* + Possible reductions: + 1. c o cob -> cob + 2. cob o c -> cob + 3. c o boc -> boc + 4. boc o c -> boc + */ + result = error_node(); + + if (cocob_optimisable(operation, branch)) + { + result = synthesize_cocob_expression::process((*this), operation, branch); + } + else if (coboc_optimisable(operation, branch) && (0 == result)) + { + result = synthesize_coboc_expression::process((*this), operation, branch); + } + + if (result) + return result; + } + + if (uvouv_optimisable(operation, branch)) + { + return synthesize_uvouv_expression(operation, branch); + } + else if (vob_optimisable(operation, branch)) + { + return synthesize_vob_expression::process((*this), operation, branch); + } + else if (bov_optimisable(operation, branch)) + { + return synthesize_bov_expression::process((*this), operation, branch); + } + else if (cob_optimisable(operation, branch)) + { + return synthesize_cob_expression::process((*this), operation, branch); + } + else if (boc_optimisable(operation, branch)) + { + return synthesize_boc_expression::process((*this), operation, branch); + } + #ifndef exprtk_disable_enhanced_features + else if (cov_optimisable(operation, branch)) + { + return synthesize_cov_expression::process((*this), operation, branch); + } + #endif + else if (binext_optimisable(operation, branch)) + { + return synthesize_binary_ext_expression::process((*this), operation, branch); + } + else + return synthesize_expression(operation, branch); + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr (&branch)[3]) + { + if ( + (0 == branch[0]) || + (0 == branch[1]) || + (0 == branch[2]) + ) + { + details::free_all_nodes(*node_allocator_,branch); + + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR253 - Invalid branches operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_invalid_string_op(operation, branch)) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR254 - Invalid branches for string operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + else if (is_string_operation(operation, branch)) + { + return synthesize_string_expression(operation, branch); + } + else + return synthesize_expression(operation, branch); + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr (&branch)[4]) + { + return synthesize_expression(operation,branch); + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr b0) + { + expression_node_ptr branch[1] = { b0 }; + return (*this)(operation,branch); + } + + inline expression_node_ptr operator() (const details::operator_type& operation, expression_node_ptr& b0, expression_node_ptr& b1) + { + expression_node_ptr result = error_node(); + + if ((0 != b0) && (0 != b1)) + { + expression_node_ptr branch[2] = { b0, b1 }; + result = expression_generator::operator()(operation, branch); + b0 = branch[0]; + b1 = branch[1]; + } + + return result; + } + + inline expression_node_ptr conditional(expression_node_ptr condition, + expression_node_ptr consequent, + expression_node_ptr alternative) const + { + if ((0 == condition) || (0 == consequent)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent ); + details::free_node(*node_allocator_, alternative); + + const std::string invalid_branches = + ((0 == condition ) ? std::string("condition ") : "") + + ((0 == consequent) ? std::string("consequent") : "") ; + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + parser_->current_state().token, + "ERR255 - Invalid " + invalid_branches + " for conditional statement", + exprtk_error_location)); + + return error_node(); + } + // Can the condition be immediately evaluated? if so optimise. + else if (details::is_constant_node(condition)) + { + // True branch + if (details::is_true(condition)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, alternative); + + return consequent; + } + // False branch + else + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent); + + if (alternative) + return alternative; + else + return node_allocator_->allocate >(); + } + } + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown!"; + + if ((0 != consequent) && (0 != alternative)) + { + result = node_allocator_->allocate(condition, consequent, alternative); + node_name = "conditional_node_t"; + } + else + { + result = node_allocator_->allocate(condition, consequent); + node_name = "cons_conditional_node_t"; + } + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + token_t(), + "ERR256 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr conditional_string(expression_node_ptr condition, + expression_node_ptr consequent, + expression_node_ptr alternative) const + { + if ((0 == condition) || (0 == consequent)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent ); + details::free_node(*node_allocator_, alternative); + + const std::string invalid_branches = + ((0 == condition ) ? std::string("condition ") : "") + + ((0 == consequent) ? std::string("consequent") : "") ; + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + parser_->current_state().token, + "ERR257 - Invalid " + invalid_branches + " for string conditional statement", + exprtk_error_location)); + + return error_node(); + } + // Can the condition be immediately evaluated? if so optimise. + else if (details::is_constant_node(condition)) + { + // True branch + if (details::is_true(condition)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, alternative); + + return consequent; + } + // False branch + else + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent); + + if (alternative) + return alternative; + else + return node_allocator_-> + allocate_c >(""); + } + } + else if ((0 != consequent) && (0 != alternative)) + { + expression_node_ptr result = + node_allocator_->allocate(condition, consequent, alternative); + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + token_t(), + "ERR258 - Failed to synthesize node: conditional_string_node_t", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + } + + return error_node(); + } + #else + inline expression_node_ptr conditional_string(expression_node_ptr, + expression_node_ptr, + expression_node_ptr) const + { + return error_node(); + } + #endif + + inline expression_node_ptr conditional_vector(expression_node_ptr condition, + expression_node_ptr consequent, + expression_node_ptr alternative) const + { + if ((0 == condition) || (0 == consequent)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent ); + details::free_node(*node_allocator_, alternative); + + const std::string invalid_branches = + ((0 == condition ) ? std::string("condition ") : "") + + ((0 == consequent) ? std::string("consequent") : "") ; + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + parser_->current_state().token, + "ERR259 - Invalid " + invalid_branches + " for vector conditional statement", + exprtk_error_location)); + + return error_node(); + } + // Can the condition be immediately evaluated? if so optimise. + else if (details::is_constant_node(condition)) + { + // True branch + if (details::is_true(condition)) + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, alternative); + + return consequent; + } + // False branch + else + { + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, consequent); + + if (alternative) + return alternative; + else + return node_allocator_->allocate >(); + + } + } + else if ((0 != consequent) && (0 != alternative)) + { + return node_allocator_-> + allocate(condition, consequent, alternative); + } + else + return error_node(); + } + + inline loop_runtime_check_ptr get_loop_runtime_check(const loop_runtime_check::loop_types loop_type) const + { + if ( + parser_->loop_runtime_check_ && + (loop_type == (parser_->loop_runtime_check_->loop_set & loop_type)) + ) + { + return parser_->loop_runtime_check_; + } + + return loop_runtime_check_ptr(0); + } + + inline vector_access_runtime_check_ptr get_vector_access_runtime_check() const + { + return parser_->vector_access_runtime_check_; + } + + inline expression_node_ptr while_loop(expression_node_ptr& condition, + expression_node_ptr& branch, + const bool break_continue_present = false) const + { + if ( + !break_continue_present && + !parser_->state_.return_stmt_present && + details::is_constant_node(condition) + ) + { + expression_node_ptr result = error_node(); + if (details::is_true(condition)) + { + // Infinite loops are not allowed. + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + parser_->current_state().token, + "ERR260 - Infinite loop condition without 'break' or 'return' not allowed in while-loops", + exprtk_error_location)); + + result = error_node(); + } + else + result = node_allocator_->allocate >(); + + details::free_node(*node_allocator_, condition); + details::free_node(*node_allocator_, branch ); + + return result; + } + else if (details::is_null_node(condition)) + { + details::free_node(*node_allocator_,condition); + + return branch; + } + + loop_runtime_check_ptr rtc = get_loop_runtime_check(loop_runtime_check::e_while_loop); + + if (!break_continue_present) + { + if (rtc) + return node_allocator_->allocate + (condition, branch, rtc); + else + return node_allocator_->allocate + (condition, branch); + } + #ifndef exprtk_disable_break_continue + else + { + if (rtc) + return node_allocator_->allocate + (condition, branch, rtc); + else + return node_allocator_->allocate + (condition, branch); + } + #else + return error_node(); + #endif + } + + inline expression_node_ptr repeat_until_loop(expression_node_ptr& condition, + expression_node_ptr& branch, + const bool break_continue_present = false) const + { + if (!break_continue_present && details::is_constant_node(condition)) + { + if ( + details::is_true(condition) && + details::is_constant_node(branch) + ) + { + free_node(*node_allocator_,condition); + + return branch; + } + + details::free_node(*node_allocator_, condition); + details::free_node(*node_allocator_, branch ); + + return error_node(); + } + else if (details::is_null_node(condition)) + { + details::free_node(*node_allocator_,condition); + + return branch; + } + + loop_runtime_check_ptr rtc = get_loop_runtime_check(loop_runtime_check::e_repeat_until_loop); + + if (!break_continue_present) + { + if (rtc) + return node_allocator_->allocate + (condition, branch, rtc); + else + return node_allocator_->allocate + (condition, branch); + } + #ifndef exprtk_disable_break_continue + else + { + if (rtc) + return node_allocator_->allocate + (condition, branch, rtc); + else + return node_allocator_->allocate + (condition, branch); + } + #else + return error_node(); + #endif + } + + inline expression_node_ptr for_loop(expression_node_ptr& initialiser, + expression_node_ptr& condition, + expression_node_ptr& incrementor, + expression_node_ptr& loop_body, + bool break_continue_present = false) const + { + if ( + !break_continue_present && + !parser_->state_.return_stmt_present && + details::is_constant_node(condition) + ) + { + expression_node_ptr result = error_node(); + + if (details::is_true(condition)) + { + // Infinite loops are not allowed. + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + parser_->current_state().token, + "ERR261 - Infinite loop condition without 'break' or 'return' not allowed in for-loop", + exprtk_error_location)); + + result = error_node(); + } + else + result = node_allocator_->allocate >(); + + details::free_node(*node_allocator_, initialiser); + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, incrementor); + details::free_node(*node_allocator_, loop_body ); + + return result; + } + else if (details::is_null_node(condition) || (0 == condition)) + { + details::free_node(*node_allocator_, initialiser); + details::free_node(*node_allocator_, condition ); + details::free_node(*node_allocator_, incrementor); + + return loop_body; + } + + loop_runtime_check_ptr rtc = get_loop_runtime_check(loop_runtime_check::e_for_loop); + + if (!break_continue_present) + { + if (rtc) + return node_allocator_->allocate + ( + initialiser, + condition, + incrementor, + loop_body, + rtc + ); + else + return node_allocator_->allocate + ( + initialiser, + condition, + incrementor, + loop_body + ); + } + #ifndef exprtk_disable_break_continue + else + { + if (rtc) + return node_allocator_->allocate + ( + initialiser, + condition, + incrementor, + loop_body, + rtc + ); + else + return node_allocator_->allocate + ( + initialiser, + condition, + incrementor, + loop_body + ); + } + #else + return error_node(); + #endif + } + + template class Sequence> + inline expression_node_ptr const_optimise_switch(Sequence& arg_list) + { + expression_node_ptr result = error_node(); + + for (std::size_t i = 0; i < (arg_list.size() / 2); ++i) + { + expression_node_ptr condition = arg_list[(2 * i) ]; + expression_node_ptr consequent = arg_list[(2 * i) + 1]; + + if ((0 == result) && details::is_true(condition)) + { + result = consequent; + break; + } + } + + if (0 == result) + { + result = arg_list.back(); + } + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + expression_node_ptr current_expr = arg_list[i]; + + if (current_expr && (current_expr != result)) + { + free_node(*node_allocator_,current_expr); + } + } + + return result; + } + + template class Sequence> + inline expression_node_ptr const_optimise_mswitch(Sequence& arg_list) + { + expression_node_ptr result = error_node(); + + for (std::size_t i = 0; i < (arg_list.size() / 2); ++i) + { + expression_node_ptr condition = arg_list[(2 * i) ]; + expression_node_ptr consequent = arg_list[(2 * i) + 1]; + + if (details::is_true(condition)) + { + result = consequent; + } + } + + if (0 == result) + { + const T zero = T(0); + result = node_allocator_->allocate(zero); + } + + for (std::size_t i = 0; i < arg_list.size(); ++i) + { + expression_node_ptr& current_expr = arg_list[i]; + + if (current_expr && (current_expr != result)) + { + details::free_node(*node_allocator_,current_expr); + } + } + + return result; + } + + struct switch_nodes + { + typedef std::vector > arg_list_t; + + #define case_stmt(N) \ + if (is_true(arg[(2 * N)].first)) { return arg[(2 * N) + 1].first->value(); } \ + + struct switch_impl_1 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) + + assert(arg.size() == ((2 * 1) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_2 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + + assert(arg.size() == ((2 * 2) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_3 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + case_stmt(2) + + assert(arg.size() == ((2 * 3) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_4 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + case_stmt(2) case_stmt(3) + + assert(arg.size() == ((2 * 4) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_5 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + case_stmt(2) case_stmt(3) + case_stmt(4) + + assert(arg.size() == ((2 * 5) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_6 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + case_stmt(2) case_stmt(3) + case_stmt(4) case_stmt(5) + + assert(arg.size() == ((2 * 6) + 1)); + + return arg.back().first->value(); + } + }; + + struct switch_impl_7 + { + static inline T process(const arg_list_t& arg) + { + case_stmt(0) case_stmt(1) + case_stmt(2) case_stmt(3) + case_stmt(4) case_stmt(5) + case_stmt(6) + + assert(arg.size() == ((2 * 7) + 1)); + + return arg.back().first->value(); + } + }; + + #undef case_stmt + }; + + template class Sequence> + inline expression_node_ptr switch_statement(Sequence& arg_list, const bool default_statement_present) + { + if (arg_list.empty()) + return error_node(); + else if ( + !all_nodes_valid(arg_list) || + (!default_statement_present && (arg_list.size() < 2)) + ) + { + details::free_all_nodes(*node_allocator_,arg_list); + + return error_node(); + } + else if (is_constant_foldable(arg_list)) + return const_optimise_switch(arg_list); + + switch ((arg_list.size() - 1) / 2) + { + #define case_stmt(N) \ + case N : \ + return node_allocator_-> \ + allocate >(arg_list); \ + + case_stmt(1) + case_stmt(2) + case_stmt(3) + case_stmt(4) + case_stmt(5) + case_stmt(6) + case_stmt(7) + #undef case_stmt + + default : return node_allocator_->allocate >(arg_list); + } + } + + template class Sequence> + inline expression_node_ptr multi_switch_statement(Sequence& arg_list) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + + return error_node(); + } + else if (is_constant_foldable(arg_list)) + return const_optimise_mswitch(arg_list); + else + return node_allocator_->allocate >(arg_list); + } + + inline expression_node_ptr assert_call(expression_node_ptr& assert_condition, + expression_node_ptr& assert_message, + const assert_check::assert_context& context) + { + typedef details::assert_node alloc_type; + + expression_node_ptr result = node_allocator_->allocate_rrrr + (assert_condition, assert_message, parser_->assert_check_, context); + + if (result && result->valid()) + { + parser_->state_.activate_side_effect("assert_call()"); + return result; + } + + details::free_node(*node_allocator_, result ); + details::free_node(*node_allocator_, assert_condition); + details::free_node(*node_allocator_, assert_message ); + + return error_node(); + } + + #define unary_opr_switch_statements \ + case_stmt(details::e_abs , details::abs_op ) \ + case_stmt(details::e_acos , details::acos_op ) \ + case_stmt(details::e_acosh , details::acosh_op) \ + case_stmt(details::e_asin , details::asin_op ) \ + case_stmt(details::e_asinh , details::asinh_op) \ + case_stmt(details::e_atan , details::atan_op ) \ + case_stmt(details::e_atanh , details::atanh_op) \ + case_stmt(details::e_ceil , details::ceil_op ) \ + case_stmt(details::e_cos , details::cos_op ) \ + case_stmt(details::e_cosh , details::cosh_op ) \ + case_stmt(details::e_exp , details::exp_op ) \ + case_stmt(details::e_expm1 , details::expm1_op) \ + case_stmt(details::e_floor , details::floor_op) \ + case_stmt(details::e_log , details::log_op ) \ + case_stmt(details::e_log10 , details::log10_op) \ + case_stmt(details::e_log2 , details::log2_op ) \ + case_stmt(details::e_log1p , details::log1p_op) \ + case_stmt(details::e_neg , details::neg_op ) \ + case_stmt(details::e_pos , details::pos_op ) \ + case_stmt(details::e_round , details::round_op) \ + case_stmt(details::e_sin , details::sin_op ) \ + case_stmt(details::e_sinc , details::sinc_op ) \ + case_stmt(details::e_sinh , details::sinh_op ) \ + case_stmt(details::e_sqrt , details::sqrt_op ) \ + case_stmt(details::e_tan , details::tan_op ) \ + case_stmt(details::e_tanh , details::tanh_op ) \ + case_stmt(details::e_cot , details::cot_op ) \ + case_stmt(details::e_sec , details::sec_op ) \ + case_stmt(details::e_csc , details::csc_op ) \ + case_stmt(details::e_r2d , details::r2d_op ) \ + case_stmt(details::e_d2r , details::d2r_op ) \ + case_stmt(details::e_d2g , details::d2g_op ) \ + case_stmt(details::e_g2d , details::g2d_op ) \ + case_stmt(details::e_notl , details::notl_op ) \ + case_stmt(details::e_sgn , details::sgn_op ) \ + case_stmt(details::e_erf , details::erf_op ) \ + case_stmt(details::e_erfc , details::erfc_op ) \ + case_stmt(details::e_ncdf , details::ncdf_op ) \ + case_stmt(details::e_frac , details::frac_op ) \ + case_stmt(details::e_trunc , details::trunc_op) \ + + inline expression_node_ptr synthesize_uv_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[1]) + { + T& v = static_cast*>(branch[0])->ref(); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate > >(v); \ + + unary_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr synthesize_uvec_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[1]) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate > > \ + (operation, branch[0]); \ + + unary_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr synthesize_unary_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[1]) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate > >(branch[0]); \ + + unary_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr const_optimise_sf3(const details::operator_type& operation, + expression_node_ptr (&branch)[3]) + { + expression_node_ptr temp_node = error_node(); + + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : temp_node = node_allocator_-> \ + allocate > > \ + (operation, branch); \ + break; \ + + case_stmt(00) case_stmt(01) case_stmt(02) case_stmt(03) + case_stmt(04) case_stmt(05) case_stmt(06) case_stmt(07) + case_stmt(08) case_stmt(09) case_stmt(10) case_stmt(11) + case_stmt(12) case_stmt(13) case_stmt(14) case_stmt(15) + case_stmt(16) case_stmt(17) case_stmt(18) case_stmt(19) + case_stmt(20) case_stmt(21) case_stmt(22) case_stmt(23) + case_stmt(24) case_stmt(25) case_stmt(26) case_stmt(27) + case_stmt(28) case_stmt(29) case_stmt(30) case_stmt(31) + case_stmt(32) case_stmt(33) case_stmt(34) case_stmt(35) + case_stmt(36) case_stmt(37) case_stmt(38) case_stmt(39) + case_stmt(40) case_stmt(41) case_stmt(42) case_stmt(43) + case_stmt(44) case_stmt(45) case_stmt(46) case_stmt(47) + #undef case_stmt + default : return error_node(); + } + + assert(temp_node); + + const T v = temp_node->value(); + + details::free_node(*node_allocator_,temp_node); + + return node_allocator_->allocate(v); + } + + inline expression_node_ptr varnode_optimise_sf3(const details::operator_type& operation, expression_node_ptr (&branch)[3]) + { + typedef details::variable_node* variable_ptr; + + const Type& v0 = static_cast(branch[0])->ref(); + const Type& v1 = static_cast(branch[1])->ref(); + const Type& v2 = static_cast(branch[2])->ref(); + + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : return node_allocator_-> \ + allocate_rrr > > \ + (v0, v1, v2); \ + + case_stmt(00) case_stmt(01) case_stmt(02) case_stmt(03) + case_stmt(04) case_stmt(05) case_stmt(06) case_stmt(07) + case_stmt(08) case_stmt(09) case_stmt(10) case_stmt(11) + case_stmt(12) case_stmt(13) case_stmt(14) case_stmt(15) + case_stmt(16) case_stmt(17) case_stmt(18) case_stmt(19) + case_stmt(20) case_stmt(21) case_stmt(22) case_stmt(23) + case_stmt(24) case_stmt(25) case_stmt(26) case_stmt(27) + case_stmt(28) case_stmt(29) case_stmt(30) case_stmt(31) + case_stmt(32) case_stmt(33) case_stmt(34) case_stmt(35) + case_stmt(36) case_stmt(37) case_stmt(38) case_stmt(39) + case_stmt(40) case_stmt(41) case_stmt(42) case_stmt(43) + case_stmt(44) case_stmt(45) case_stmt(46) case_stmt(47) + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr special_function(const details::operator_type& operation, expression_node_ptr (&branch)[3]) + { + if (!all_nodes_valid(branch)) + return error_node(); + else if (is_constant_foldable(branch)) + return const_optimise_sf3(operation,branch); + else if (all_nodes_variables(branch)) + return varnode_optimise_sf3(operation,branch); + else + { + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : return node_allocator_-> \ + allocate > > \ + (operation, branch); \ + + case_stmt(00) case_stmt(01) case_stmt(02) case_stmt(03) + case_stmt(04) case_stmt(05) case_stmt(06) case_stmt(07) + case_stmt(08) case_stmt(09) case_stmt(10) case_stmt(11) + case_stmt(12) case_stmt(13) case_stmt(14) case_stmt(15) + case_stmt(16) case_stmt(17) case_stmt(18) case_stmt(19) + case_stmt(20) case_stmt(21) case_stmt(22) case_stmt(23) + case_stmt(24) case_stmt(25) case_stmt(26) case_stmt(27) + case_stmt(28) case_stmt(29) case_stmt(30) case_stmt(31) + case_stmt(32) case_stmt(33) case_stmt(34) case_stmt(35) + case_stmt(36) case_stmt(37) case_stmt(38) case_stmt(39) + case_stmt(40) case_stmt(41) case_stmt(42) case_stmt(43) + case_stmt(44) case_stmt(45) case_stmt(46) case_stmt(47) + #undef case_stmt + default : return error_node(); + } + } + } + + inline expression_node_ptr const_optimise_sf4(const details::operator_type& operation, expression_node_ptr (&branch)[4]) + { + expression_node_ptr temp_node = error_node(); + + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : temp_node = node_allocator_-> \ + allocate > > \ + (operation, branch); \ + break; \ + + case_stmt(48) case_stmt(49) case_stmt(50) case_stmt(51) + case_stmt(52) case_stmt(53) case_stmt(54) case_stmt(55) + case_stmt(56) case_stmt(57) case_stmt(58) case_stmt(59) + case_stmt(60) case_stmt(61) case_stmt(62) case_stmt(63) + case_stmt(64) case_stmt(65) case_stmt(66) case_stmt(67) + case_stmt(68) case_stmt(69) case_stmt(70) case_stmt(71) + case_stmt(72) case_stmt(73) case_stmt(74) case_stmt(75) + case_stmt(76) case_stmt(77) case_stmt(78) case_stmt(79) + case_stmt(80) case_stmt(81) case_stmt(82) case_stmt(83) + case_stmt(84) case_stmt(85) case_stmt(86) case_stmt(87) + case_stmt(88) case_stmt(89) case_stmt(90) case_stmt(91) + case_stmt(92) case_stmt(93) case_stmt(94) case_stmt(95) + case_stmt(96) case_stmt(97) case_stmt(98) case_stmt(99) + #undef case_stmt + default : return error_node(); + } + + assert(temp_node); + + const T v = temp_node->value(); + + details::free_node(*node_allocator_,temp_node); + + return node_allocator_->allocate(v); + } + + inline expression_node_ptr varnode_optimise_sf4(const details::operator_type& operation, expression_node_ptr (&branch)[4]) + { + typedef details::variable_node* variable_ptr; + + const Type& v0 = static_cast(branch[0])->ref(); + const Type& v1 = static_cast(branch[1])->ref(); + const Type& v2 = static_cast(branch[2])->ref(); + const Type& v3 = static_cast(branch[3])->ref(); + + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : return node_allocator_-> \ + allocate_rrrr > > \ + (v0, v1, v2, v3); \ + + case_stmt(48) case_stmt(49) case_stmt(50) case_stmt(51) + case_stmt(52) case_stmt(53) case_stmt(54) case_stmt(55) + case_stmt(56) case_stmt(57) case_stmt(58) case_stmt(59) + case_stmt(60) case_stmt(61) case_stmt(62) case_stmt(63) + case_stmt(64) case_stmt(65) case_stmt(66) case_stmt(67) + case_stmt(68) case_stmt(69) case_stmt(70) case_stmt(71) + case_stmt(72) case_stmt(73) case_stmt(74) case_stmt(75) + case_stmt(76) case_stmt(77) case_stmt(78) case_stmt(79) + case_stmt(80) case_stmt(81) case_stmt(82) case_stmt(83) + case_stmt(84) case_stmt(85) case_stmt(86) case_stmt(87) + case_stmt(88) case_stmt(89) case_stmt(90) case_stmt(91) + case_stmt(92) case_stmt(93) case_stmt(94) case_stmt(95) + case_stmt(96) case_stmt(97) case_stmt(98) case_stmt(99) + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr special_function(const details::operator_type& operation, expression_node_ptr (&branch)[4]) + { + if (!all_nodes_valid(branch)) + return error_node(); + else if (is_constant_foldable(branch)) + return const_optimise_sf4(operation,branch); + else if (all_nodes_variables(branch)) + return varnode_optimise_sf4(operation,branch); + switch (operation) + { + #define case_stmt(op) \ + case details::e_sf##op : return node_allocator_-> \ + allocate > > \ + (operation, branch); \ + + case_stmt(48) case_stmt(49) case_stmt(50) case_stmt(51) + case_stmt(52) case_stmt(53) case_stmt(54) case_stmt(55) + case_stmt(56) case_stmt(57) case_stmt(58) case_stmt(59) + case_stmt(60) case_stmt(61) case_stmt(62) case_stmt(63) + case_stmt(64) case_stmt(65) case_stmt(66) case_stmt(67) + case_stmt(68) case_stmt(69) case_stmt(70) case_stmt(71) + case_stmt(72) case_stmt(73) case_stmt(74) case_stmt(75) + case_stmt(76) case_stmt(77) case_stmt(78) case_stmt(79) + case_stmt(80) case_stmt(81) case_stmt(82) case_stmt(83) + case_stmt(84) case_stmt(85) case_stmt(86) case_stmt(87) + case_stmt(88) case_stmt(89) case_stmt(90) case_stmt(91) + case_stmt(92) case_stmt(93) case_stmt(94) case_stmt(95) + case_stmt(96) case_stmt(97) case_stmt(98) case_stmt(99) + #undef case_stmt + default : return error_node(); + } + } + + template class Sequence> + inline expression_node_ptr const_optimise_varargfunc(const details::operator_type& operation, Sequence& arg_list) + { + expression_node_ptr temp_node = error_node(); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : temp_node = node_allocator_-> \ + allocate > > \ + (arg_list); \ + break; \ + + case_stmt(details::e_sum , details::vararg_add_op ) + case_stmt(details::e_prod , details::vararg_mul_op ) + case_stmt(details::e_avg , details::vararg_avg_op ) + case_stmt(details::e_min , details::vararg_min_op ) + case_stmt(details::e_max , details::vararg_max_op ) + case_stmt(details::e_mand , details::vararg_mand_op ) + case_stmt(details::e_mor , details::vararg_mor_op ) + case_stmt(details::e_multi , details::vararg_multi_op) + #undef case_stmt + default : return error_node(); + } + + const T v = temp_node->value(); + + details::free_node(*node_allocator_,temp_node); + + return node_allocator_->allocate(v); + } + + inline bool special_one_parameter_vararg(const details::operator_type& operation) const + { + return ( + (details::e_sum == operation) || + (details::e_prod == operation) || + (details::e_avg == operation) || + (details::e_min == operation) || + (details::e_max == operation) + ); + } + + template class Sequence> + inline expression_node_ptr varnode_optimise_varargfunc(const details::operator_type& operation, + Sequence& arg_list) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate > >(arg_list); \ + + case_stmt(details::e_sum , details::vararg_add_op ) + case_stmt(details::e_prod , details::vararg_mul_op ) + case_stmt(details::e_avg , details::vararg_avg_op ) + case_stmt(details::e_min , details::vararg_min_op ) + case_stmt(details::e_max , details::vararg_max_op ) + case_stmt(details::e_mand , details::vararg_mand_op ) + case_stmt(details::e_mor , details::vararg_mor_op ) + case_stmt(details::e_multi , details::vararg_multi_op) + #undef case_stmt + default : return error_node(); + } + } + + template class Sequence> + inline expression_node_ptr vectorize_func(const details::operator_type& operation, + Sequence& arg_list) + { + if (1 == arg_list.size()) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate > >(arg_list[0]); \ + + case_stmt(details::e_sum , details::vec_add_op) + case_stmt(details::e_prod , details::vec_mul_op) + case_stmt(details::e_avg , details::vec_avg_op) + case_stmt(details::e_min , details::vec_min_op) + case_stmt(details::e_max , details::vec_max_op) + #undef case_stmt + default : return error_node(); + } + } + else + return error_node(); + } + + template class Sequence> + inline expression_node_ptr vararg_function(const details::operator_type& operation, + Sequence& arg_list) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + + return error_node(); + } + else if (is_constant_foldable(arg_list)) + return const_optimise_varargfunc(operation,arg_list); + else if ((1 == arg_list.size()) && details::is_ivector_node(arg_list[0])) + return vectorize_func(operation,arg_list); + else if ((1 == arg_list.size()) && special_one_parameter_vararg(operation)) + return arg_list[0]; + else if (all_nodes_variables(arg_list)) + return varnode_optimise_varargfunc(operation,arg_list); + + #ifndef exprtk_disable_string_capabilities + if (details::e_smulti == operation) + { + expression_node_ptr result = node_allocator_-> + allocate > >(arg_list); + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR262 - Failed to synthesize node: str_vararg_node", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + } + else + #endif + { + expression_node_ptr result = error_node(); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + allocate > >(arg_list); \ + break; \ + + case_stmt(details::e_sum , details::vararg_add_op ) + case_stmt(details::e_prod , details::vararg_mul_op ) + case_stmt(details::e_avg , details::vararg_avg_op ) + case_stmt(details::e_min , details::vararg_min_op ) + case_stmt(details::e_max , details::vararg_max_op ) + case_stmt(details::e_mand , details::vararg_mand_op ) + case_stmt(details::e_mor , details::vararg_mor_op ) + case_stmt(details::e_multi , details::vararg_multi_op) + #undef case_stmt + default : return error_node(); + } + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR263 - Failed to synthesize node: vararg_node", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + } + + return error_node(); + } + + template + inline expression_node_ptr function(ifunction_t* f, expression_node_ptr (&b)[N]) + { + typedef typename details::function_N_node function_N_node_t; + expression_node_ptr result = synthesize_expression(f,b); + + if (0 == result) + return error_node(); + else + { + // Can the function call be completely optimised? + if (details::is_constant_node(result)) + return result; + else if (!all_nodes_valid(b)) + { + details::free_node(*node_allocator_,result); + std::fill_n(b, N, reinterpret_cast(0)); + + return error_node(); + } + else if (N != f->param_count) + { + details::free_node(*node_allocator_,result); + std::fill_n(b, N, reinterpret_cast(0)); + + return error_node(); + } + + function_N_node_t* func_node_ptr = reinterpret_cast(result); + + if (!func_node_ptr->init_branches(b)) + { + details::free_node(*node_allocator_,result); + std::fill_n(b, N, reinterpret_cast(0)); + + return error_node(); + } + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR264 - Failed to synthesize node: function_N_node_t", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + } + + inline expression_node_ptr function(ifunction_t* f) + { + typedef typename details::function_N_node function_N_node_t; + return node_allocator_->allocate(f); + } + + inline expression_node_ptr vararg_function_call(ivararg_function_t* vaf, + std::vector& arg_list) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + + return error_node(); + } + + typedef details::vararg_function_node alloc_type; + + expression_node_ptr result = node_allocator_->allocate(vaf,arg_list); + + if ( + !arg_list.empty() && + !vaf->has_side_effects() && + is_constant_foldable(arg_list) + ) + { + const Type v = result->value(); + details::free_node(*node_allocator_,result); + result = node_allocator_->allocate(v); + } + + parser_->state_.activate_side_effect("vararg_function_call()"); + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR265 - Failed to synthesize node: vararg_function_node", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + inline expression_node_ptr generic_function_call(igeneric_function_t* gf, + std::vector& arg_list, + const std::size_t& param_seq_index = std::numeric_limits::max()) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + return error_node(); + } + + typedef details::generic_function_node alloc_type1; + typedef details::multimode_genfunction_node alloc_type2; + + const std::size_t no_psi = std::numeric_limits::max(); + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (no_psi == param_seq_index) + { + result = node_allocator_->allocate(arg_list,gf); + node_name = "generic_function_node"; + } + else + { + result = node_allocator_->allocate(gf, param_seq_index, arg_list); + node_name = "multimode_genfunction_node"; + } + + alloc_type1* genfunc_node_ptr = static_cast(result); + + assert(genfunc_node_ptr); + + if ( + !arg_list.empty() && + !gf->has_side_effects() && + parser_->state_.type_check_enabled && + is_constant_foldable(arg_list) + ) + { + genfunc_node_ptr->init_branches(); + + const Type v = result->value(); + + details::free_node(*node_allocator_,result); + + return node_allocator_->allocate(v); + } + else if (genfunc_node_ptr->init_branches()) + { + if (result && result->valid()) + { + parser_->state_.activate_side_effect("generic_function_call()"); + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR266 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + else + { + details::free_node(*node_allocator_, result); + details::free_all_nodes(*node_allocator_, arg_list); + + return error_node(); + } + } + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr string_function_call(igeneric_function_t* gf, + std::vector& arg_list, + const std::size_t& param_seq_index = std::numeric_limits::max()) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + return error_node(); + } + + typedef details::string_function_node alloc_type1; + typedef details::multimode_strfunction_node alloc_type2; + + const std::size_t no_psi = std::numeric_limits::max(); + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (no_psi == param_seq_index) + { + result = node_allocator_->allocate(gf,arg_list); + node_name = "string_function_node"; + } + else + { + result = node_allocator_->allocate(gf, param_seq_index, arg_list); + node_name = "multimode_strfunction_node"; + } + + alloc_type1* strfunc_node_ptr = static_cast(result); + + assert(strfunc_node_ptr); + + if ( + !arg_list.empty() && + !gf->has_side_effects() && + is_constant_foldable(arg_list) + ) + { + strfunc_node_ptr->init_branches(); + + const Type v = result->value(); + + details::free_node(*node_allocator_,result); + + return node_allocator_->allocate(v); + } + else if (strfunc_node_ptr->init_branches()) + { + if (result && result->valid()) + { + parser_->state_.activate_side_effect("string_function_call()"); + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR267 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + else + { + details::free_node (*node_allocator_,result ); + details::free_all_nodes(*node_allocator_,arg_list); + + return error_node(); + } + } + #endif + + #ifndef exprtk_disable_return_statement + inline expression_node_ptr return_call(std::vector& arg_list) + { + if (!all_nodes_valid(arg_list)) + { + details::free_all_nodes(*node_allocator_,arg_list); + return error_node(); + } + + typedef details::return_node alloc_type; + + expression_node_ptr result = node_allocator_-> + allocate_rr(arg_list,parser_->results_ctx()); + + alloc_type* return_node_ptr = static_cast(result); + + assert(return_node_ptr); + + if (return_node_ptr->init_branches()) + { + if (result && result->valid()) + { + parser_->state_.activate_side_effect("return_call()"); + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR268 - Failed to synthesize node: return_node", + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + else + { + details::free_node (*node_allocator_, result ); + details::free_all_nodes(*node_allocator_, arg_list); + + return error_node(); + } + } + + inline expression_node_ptr return_envelope(expression_node_ptr body, + results_context_t* rc, + bool*& return_invoked) + { + typedef details::return_envelope_node alloc_type; + + expression_node_ptr result = node_allocator_-> + allocate_cr(body,(*rc)); + + return_invoked = static_cast(result)->retinvk_ptr(); + + return result; + } + #else + inline expression_node_ptr return_call(std::vector&) + { + return error_node(); + } + + inline expression_node_ptr return_envelope(expression_node_ptr, + results_context_t*, + bool*&) + { + return error_node(); + } + #endif + + inline expression_node_ptr vector_element(const std::string& symbol, + vector_holder_ptr vector_base, + expression_node_ptr vec_node, + expression_node_ptr index) + { + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (details::is_constant_node(index)) + { + const std::size_t vec_index = static_cast(details::numeric::to_int64(index->value())); + + details::free_node(*node_allocator_,index); + + if (vec_index >= vector_base->size()) + { + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + token_t(), + "ERR269 - Index of " + details::to_str(vec_index) + " out of range for " + "vector '" + symbol + "' of size " + details::to_str(vector_base->size()), + exprtk_error_location)); + + details::free_node(*node_allocator_,vec_node); + + return error_node(); + } + + if (vector_base->rebaseable()) + { + vector_access_runtime_check_ptr rtc = get_vector_access_runtime_check(); + + result = (rtc) ? + node_allocator_->allocate(vec_node, vec_index, vector_base, rtc) : + node_allocator_->allocate(vec_node, vec_index, vector_base ) ; + + node_name = (rtc) ? + "rebasevector_elem_rtc_node_t" : + "rebasevector_elem_node_t" ; + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR270 - Failed to synthesize node: " + node_name + " for vector: " + symbol, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + else if (details::is_ivector_node(vec_node) && !details::is_vector_node(vec_node)) + { + vector_access_runtime_check_ptr rtc = get_vector_access_runtime_check(); + + result = (rtc) ? + node_allocator_->allocate(vec_node, vec_index, vector_base, rtc) : + node_allocator_->allocate(vec_node, vec_index, vector_base ) ; + + node_name = (rtc) ? + "vector_elem_rtc_node_t" : + "vector_elem_node_t" ; + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR271 - Failed to synthesize node: " + node_name + " for vector: " + symbol, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + const scope_element& se = parser_->sem_.get_element(symbol,vec_index); + + if (se.index == vec_index) + { + result = se.var_node; + details::free_node(*node_allocator_,vec_node); + } + else + { + scope_element nse; + nse.name = symbol; + nse.active = true; + nse.ref_count = 1; + nse.type = scope_element::e_vecelem; + nse.index = vec_index; + nse.depth = parser_->state_.scope_depth; + nse.data = 0; + nse.var_node = node_allocator_->allocate((*(*vector_base)[vec_index])); + + if (!parser_->sem_.add_element(nse)) + { + parser_->set_synthesis_error("Failed to add new local vector element to SEM [1]"); + + parser_->sem_.free_element(nse); + + result = error_node(); + } + + assert(parser_->sem_.total_local_symb_size_bytes() <= parser_->settings().max_total_local_symbol_size_bytes()); + + details::free_node(*node_allocator_,vec_node); + + exprtk_debug(("vector_element() - INFO - Added new local vector element: %s\n", nse.name.c_str())); + + parser_->state_.activate_side_effect("vector_element()"); + + result = nse.var_node; + node_name = "variable_node_t"; + } + } + else + { + vector_access_runtime_check_ptr rtc = get_vector_access_runtime_check(); + + if (vector_base->rebaseable()) + { + result = (rtc) ? + node_allocator_->allocate(vec_node, index, vector_base, rtc) : + node_allocator_->allocate(vec_node, index, vector_base ) ; + + node_name = (rtc) ? + "rebasevector_elem_rtc_node_t" : + "rebasevector_elem_node_t" ; + } + else + { + result = rtc ? + node_allocator_->allocate(vec_node, index, vector_base, rtc) : + node_allocator_->allocate(vec_node, index, vector_base ) ; + + node_name = (rtc) ? + "vector_elem_rtc_node_t" : + "vector_elem_node_t" ; + } + } + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR272 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + private: + + template + inline bool is_constant_foldable(NodePtr (&b)[N]) const + { + for (std::size_t i = 0; i < N; ++i) + { + if (0 == b[i]) + return false; + else if (!details::is_constant_node(b[i])) + return false; + } + + return true; + } + + template class Sequence> + inline bool is_constant_foldable(const Sequence& b) const + { + for (std::size_t i = 0; i < b.size(); ++i) + { + if (0 == b[i]) + return false; + else if (!details::is_constant_node(b[i])) + return false; + } + + return true; + } + + void lodge_assignment(symbol_type cst, expression_node_ptr node) + { + parser_->state_.activate_side_effect("lodge_assignment()"); + + if (!parser_->dec_.collect_assignments()) + return; + + std::string symbol_name; + + switch (cst) + { + case e_st_variable : symbol_name = parser_->symtab_store_ + .get_variable_name(node); + break; + + #ifndef exprtk_disable_string_capabilities + case e_st_string : symbol_name = parser_->symtab_store_ + .get_stringvar_name(node); + break; + #endif + + case e_st_vector : { + typedef details::vector_holder vector_holder_t; + + vector_holder_t& vh = static_cast(node)->vec_holder(); + + symbol_name = parser_->symtab_store_.get_vector_name(&vh); + } + break; + + case e_st_vecelem : { + typedef details::vector_holder vector_holder_t; + + vector_holder_t& vh = static_cast(node)->vec_holder(); + + symbol_name = parser_->symtab_store_.get_vector_name(&vh); + + cst = e_st_vector; + } + break; + + default : return; + } + + if (!symbol_name.empty()) + { + parser_->dec_.add_assignment(symbol_name,cst); + } + } + + const void* base_ptr(expression_node_ptr node) + { + if (node) + { + switch (node->type()) + { + case details::expression_node::e_variable: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_vecelem: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_veccelem: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_vecelemrtc: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_veccelemrtc: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_rbvecelem: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_rbvecelemrtc: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_rbveccelem: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_rbveccelemrtc: + return reinterpret_cast(&static_cast(node)->ref()); + + case details::expression_node::e_vector: + return reinterpret_cast(static_cast(node)->vec_holder().data()); + + #ifndef exprtk_disable_string_capabilities + case details::expression_node::e_stringvar: + return reinterpret_cast((static_cast(node)->base())); + + case details::expression_node::e_stringvarrng: + return reinterpret_cast((static_cast(node)->base())); + #endif + default : return reinterpret_cast(0); + } + } + + return reinterpret_cast(0); + } + + bool assign_immutable_symbol(expression_node_ptr node) + { + interval_t interval; + const void* baseptr_addr = base_ptr(node); + + exprtk_debug(("assign_immutable_symbol - base ptr addr: %p\n", baseptr_addr)); + + if (parser_->immutable_memory_map_.in_interval(baseptr_addr,interval)) + { + typename immutable_symtok_map_t::iterator itr = parser_->immutable_symtok_map_.find(interval); + + if (parser_->immutable_symtok_map_.end() != itr) + { + token_t& token = itr->second; + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + token, + "ERR273 - Symbol '" + token.value + "' cannot be assigned-to as it is immutable.", + exprtk_error_location)); + } + else + parser_->set_synthesis_error("Unable to assign symbol is immutable."); + + return true; + } + + return false; + } + + inline expression_node_ptr synthesize_assignment_expression(const details::operator_type& operation, expression_node_ptr (&branch)[2]) + { + if (assign_immutable_symbol(branch[0])) + { + return error_node(); + } + else if (details::is_variable_node(branch[0])) + { + lodge_assignment(e_st_variable,branch[0]); + return synthesize_expression(operation,branch); + } + else if (details::is_vector_elem_node(branch[0]) || details::is_vector_celem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + return synthesize_expression(operation, branch); + } + else if (details::is_vector_elem_rtc_node(branch[0]) || details::is_vector_celem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + return synthesize_expression(operation, branch); + } + else if (details::is_rebasevector_elem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + return synthesize_expression(operation, branch); + } + else if (details::is_rebasevector_elem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + return synthesize_expression(operation, branch); + } + else if (details::is_rebasevector_celem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + return synthesize_expression(operation, branch); + } + #ifndef exprtk_disable_string_capabilities + else if (details::is_string_node(branch[0])) + { + lodge_assignment(e_st_string,branch[0]); + return synthesize_expression(operation, branch); + } + else if (details::is_string_range_node(branch[0])) + { + lodge_assignment(e_st_string,branch[0]); + return synthesize_expression(operation, branch); + } + #endif + else if (details::is_vector_node(branch[0])) + { + lodge_assignment(e_st_vector,branch[0]); + + if (details::is_ivector_node(branch[1])) + return synthesize_expression(operation, branch); + else + return synthesize_expression(operation, branch); + } + else if (details::is_literal_node(branch[0])) + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR274 - Cannot assign value to const variable", + exprtk_error_location)); + + return error_node(); + } + else + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR275 - Invalid branches for assignment operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + } + + inline expression_node_ptr synthesize_assignment_operation_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + if (assign_immutable_symbol(branch[0])) + { + return error_node(); + } + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (details::is_variable_node(branch[0])) + { + lodge_assignment(e_st_variable,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_vector_elem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_vec_elem_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_vector_elem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_vec_elem_op_rtc_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_vector_celem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_vec_celem_op_rtc_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_rebasevector_elem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_rebasevec_elem_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_rebasevector_celem_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_rebasevec_celem_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_rebasevector_elem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_rebasevec_elem_op_rtc_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_rebasevector_celem_rtc_node(branch[0])) + { + lodge_assignment(e_st_vecelem,branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_rebasevec_celem_op_rtc_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else if (details::is_vector_node(branch[0])) + { + lodge_assignment(e_st_vector,branch[0]); + + if (details::is_ivector_node(branch[1])) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_rebasevec_celem_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + else + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "assignment_vec_op_node"; \ + break; \ + + case_stmt(details::e_addass , details::add_op) + case_stmt(details::e_subass , details::sub_op) + case_stmt(details::e_mulass , details::mul_op) + case_stmt(details::e_divass , details::div_op) + case_stmt(details::e_modass , details::mod_op) + #undef case_stmt + default : return error_node(); + } + } + } + #ifndef exprtk_disable_string_capabilities + else if ( + (details::e_addass == operation) && + details::is_string_node(branch[0]) + ) + { + typedef details::assignment_string_node addass_t; + + lodge_assignment(e_st_string,branch[0]); + + result = synthesize_expression(operation,branch); + node_name = "assignment_string_node"; + } + #endif + else + { + parser_->set_error(parser_error::make_error( + parser_error::e_syntax, + parser_->current_state().token, + "ERR276 - Invalid branches for assignment operator '" + details::to_str(operation) + "'", + exprtk_error_location)); + + return error_node(); + } + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR277 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + inline expression_node_ptr synthesize_veceqineqlogic_operation_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const bool is_b0_ivec = details::is_ivector_node(branch[0]); + const bool is_b1_ivec = details::is_ivector_node(branch[1]); + + #define batch_eqineq_logic_case \ + case_stmt(details::e_lt , details::lt_op ) \ + case_stmt(details::e_lte , details::lte_op ) \ + case_stmt(details::e_gt , details::gt_op ) \ + case_stmt(details::e_gte , details::gte_op ) \ + case_stmt(details::e_eq , details::eq_op ) \ + case_stmt(details::e_ne , details::ne_op ) \ + case_stmt(details::e_equal , details::equal_op) \ + case_stmt(details::e_and , details::and_op ) \ + case_stmt(details::e_nand , details::nand_op ) \ + case_stmt(details::e_or , details::or_op ) \ + case_stmt(details::e_nor , details::nor_op ) \ + case_stmt(details::e_xor , details::xor_op ) \ + case_stmt(details::e_xnor , details::xnor_op ) \ + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (is_b0_ivec && is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_vecvec_node"; \ + break; \ + + batch_eqineq_logic_case + #undef case_stmt + default : return error_node(); + } + } + else if (is_b0_ivec && !is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_vecval_node"; \ + break; \ + + batch_eqineq_logic_case + #undef case_stmt + default : return error_node(); + } + } + else if (!is_b0_ivec && is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_valvec_node"; \ + break; \ + + batch_eqineq_logic_case + #undef case_stmt + default : return error_node(); + } + } + else + return error_node(); + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR278 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + + #undef batch_eqineq_logic_case + } + + inline expression_node_ptr synthesize_vecarithmetic_operation_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const bool is_b0_ivec = details::is_ivector_node(branch[0]); + const bool is_b1_ivec = details::is_ivector_node(branch[1]); + + #define vector_ops \ + case_stmt(details::e_add , details::add_op) \ + case_stmt(details::e_sub , details::sub_op) \ + case_stmt(details::e_mul , details::mul_op) \ + case_stmt(details::e_div , details::div_op) \ + case_stmt(details::e_mod , details::mod_op) \ + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (is_b0_ivec && is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_vecvec_node"; \ + break; \ + + vector_ops + case_stmt(details::e_pow,details:: pow_op) + #undef case_stmt + default : return error_node(); + } + } + else if (is_b0_ivec && !is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_vecval_node(b0ivec,!b1ivec)"; \ + break; \ + + vector_ops + case_stmt(details::e_pow,details:: pow_op) + #undef case_stmt + default : return error_node(); + } + } + else if (!is_b0_ivec && is_b1_ivec) + { + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : result = node_allocator_-> \ + template allocate_rrr > > \ + (operation, branch[0], branch[1]); \ + node_name = "vec_binop_vecval_node(!b0ivec,b1ivec)"; \ + break; \ + + vector_ops + #undef case_stmt + default : return error_node(); + } + } + else + return error_node(); + + if (result && result->valid()) + { + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR279 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + + #undef vector_ops + } + + inline expression_node_ptr synthesize_swap_expression(expression_node_ptr (&branch)[2]) + { + const bool v0_is_ivar = details::is_ivariable_node(branch[0]); + const bool v1_is_ivar = details::is_ivariable_node(branch[1]); + + const bool v0_is_ivec = details::is_ivector_node (branch[0]); + const bool v1_is_ivec = details::is_ivector_node (branch[1]); + + #ifndef exprtk_disable_string_capabilities + const bool v0_is_str = details::is_generally_string_node(branch[0]); + const bool v1_is_str = details::is_generally_string_node(branch[1]); + #endif + + expression_node_ptr result = error_node(); + std::string node_name = "Unknown"; + + if (v0_is_ivar && v1_is_ivar) + { + typedef details::variable_node* variable_node_ptr; + + variable_node_ptr v0 = variable_node_ptr(0); + variable_node_ptr v1 = variable_node_ptr(0); + + if ( + (0 != (v0 = dynamic_cast(branch[0]))) && + (0 != (v1 = dynamic_cast(branch[1]))) + ) + { + result = node_allocator_->allocate >(v0,v1); + node_name = "swap_node"; + } + else + { + result = node_allocator_->allocate >(branch[0],branch[1]); + node_name = "swap_generic_node"; + } + } + else if (v0_is_ivec && v1_is_ivec) + { + result = node_allocator_->allocate >(branch[0],branch[1]); + node_name = "swap_vecvec_node"; + } + #ifndef exprtk_disable_string_capabilities + else if (v0_is_str && v1_is_str) + { + if (is_string_node(branch[0]) && is_string_node(branch[1])) + { + result = node_allocator_->allocate > + (branch[0], branch[1]); + node_name = "swap_string_node"; + } + else + { + result = node_allocator_->allocate > + (branch[0], branch[1]); + node_name = "swap_genstrings_node"; + } + } + #endif + else + { + parser_->set_synthesis_error("Only variables, strings, vectors or vector elements can be swapped"); + return error_node(); + } + + if (result && result->valid()) + { + parser_->state_.activate_side_effect("synthesize_swap_expression()"); + return result; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_synthesis, + token_t(), + "ERR280 - Failed to synthesize node: " + node_name, + exprtk_error_location)); + + details::free_node(*node_allocator_, result); + return error_node(); + } + + #ifndef exprtk_disable_sc_andor + inline expression_node_ptr synthesize_shortcircuit_expression(const details::operator_type& operation, expression_node_ptr (&branch)[2]) + { + expression_node_ptr result = error_node(); + + if (details::is_constant_node(branch[0])) + { + if ( + (details::e_scand == operation) && + std::equal_to()(T(0),branch[0]->value()) + ) + result = node_allocator_->allocate_c(T(0)); + else if ( + (details::e_scor == operation) && + std::not_equal_to()(T(0),branch[0]->value()) + ) + result = node_allocator_->allocate_c(T(1)); + } + + if (details::is_constant_node(branch[1]) && (0 == result)) + { + if ( + (details::e_scand == operation) && + std::equal_to()(T(0),branch[1]->value()) + ) + result = node_allocator_->allocate_c(T(0)); + else if ( + (details::e_scor == operation) && + std::not_equal_to()(T(0),branch[1]->value()) + ) + result = node_allocator_->allocate_c(T(1)); + } + + if (result) + { + details::free_node(*node_allocator_, branch[0]); + details::free_node(*node_allocator_, branch[1]); + + return result; + } + else if (details::e_scand == operation) + { + return synthesize_expression(operation, branch); + } + else if (details::e_scor == operation) + { + return synthesize_expression(operation, branch); + } + else + return error_node(); + } + #else + inline expression_node_ptr synthesize_shortcircuit_expression(const details::operator_type&, expression_node_ptr (&)[2]) + { + return error_node(); + } + #endif + + #define basic_opr_switch_statements \ + case_stmt(details::e_add , details::add_op) \ + case_stmt(details::e_sub , details::sub_op) \ + case_stmt(details::e_mul , details::mul_op) \ + case_stmt(details::e_div , details::div_op) \ + case_stmt(details::e_mod , details::mod_op) \ + case_stmt(details::e_pow , details::pow_op) \ + + #define extended_opr_switch_statements \ + case_stmt(details::e_lt , details::lt_op ) \ + case_stmt(details::e_lte , details::lte_op ) \ + case_stmt(details::e_gt , details::gt_op ) \ + case_stmt(details::e_gte , details::gte_op ) \ + case_stmt(details::e_eq , details::eq_op ) \ + case_stmt(details::e_ne , details::ne_op ) \ + case_stmt(details::e_and , details::and_op ) \ + case_stmt(details::e_nand , details::nand_op) \ + case_stmt(details::e_or , details::or_op ) \ + case_stmt(details::e_nor , details::nor_op ) \ + case_stmt(details::e_xor , details::xor_op ) \ + case_stmt(details::e_xnor , details::xnor_op) \ + + #ifndef exprtk_disable_cardinal_pow_optimisation + template class IPowNode> + inline expression_node_ptr cardinal_pow_optimisation_impl(const TType& v, const unsigned int& p) + { + switch (p) + { + #define case_stmt(cp) \ + case cp : return node_allocator_-> \ + allocate > >(v); \ + + case_stmt( 1) case_stmt( 2) case_stmt( 3) case_stmt( 4) + case_stmt( 5) case_stmt( 6) case_stmt( 7) case_stmt( 8) + case_stmt( 9) case_stmt(10) case_stmt(11) case_stmt(12) + case_stmt(13) case_stmt(14) case_stmt(15) case_stmt(16) + case_stmt(17) case_stmt(18) case_stmt(19) case_stmt(20) + case_stmt(21) case_stmt(22) case_stmt(23) case_stmt(24) + case_stmt(25) case_stmt(26) case_stmt(27) case_stmt(28) + case_stmt(29) case_stmt(30) case_stmt(31) case_stmt(32) + case_stmt(33) case_stmt(34) case_stmt(35) case_stmt(36) + case_stmt(37) case_stmt(38) case_stmt(39) case_stmt(40) + case_stmt(41) case_stmt(42) case_stmt(43) case_stmt(44) + case_stmt(45) case_stmt(46) case_stmt(47) case_stmt(48) + case_stmt(49) case_stmt(50) case_stmt(51) case_stmt(52) + case_stmt(53) case_stmt(54) case_stmt(55) case_stmt(56) + case_stmt(57) case_stmt(58) case_stmt(59) case_stmt(60) + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr cardinal_pow_optimisation(const T& v, const T& c) + { + const bool not_recipricol = (c >= T(0)); + const unsigned int p = static_cast(details::numeric::to_int32(details::numeric::abs(c))); + + if (0 == p) + return node_allocator_->allocate_c(T(1)); + else if (std::equal_to()(T(2),c)) + { + return node_allocator_-> + template allocate_rr > >(v,v); + } + else + { + if (not_recipricol) + return cardinal_pow_optimisation_impl(v,p); + else + return cardinal_pow_optimisation_impl(v,p); + } + } + + inline bool cardinal_pow_optimisable(const details::operator_type& operation, const T& c) const + { + return (details::e_pow == operation) && (details::numeric::abs(c) <= T(60)) && details::numeric::is_integer(c); + } + + inline expression_node_ptr cardinal_pow_optimisation(expression_node_ptr (&branch)[2]) + { + const Type c = static_cast*>(branch[1])->value(); + const bool not_recipricol = (c >= T(0)); + const unsigned int p = static_cast(details::numeric::to_int32(details::numeric::abs(c))); + + node_allocator_->free(branch[1]); + + if (0 == p) + { + details::free_all_nodes(*node_allocator_, branch); + + return node_allocator_->allocate_c(T(1)); + } + else if (not_recipricol) + return cardinal_pow_optimisation_impl(branch[0],p); + else + return cardinal_pow_optimisation_impl(branch[0],p); + } + #else + inline expression_node_ptr cardinal_pow_optimisation(T&, const T&) + { + return error_node(); + } + + inline bool cardinal_pow_optimisable(const details::operator_type&, const T&) + { + return false; + } + + inline expression_node_ptr cardinal_pow_optimisation(expression_node_ptr(&)[2]) + { + return error_node(); + } + #endif + + struct synthesize_binary_ext_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const bool left_neg = is_neg_unary_node(branch[0]); + const bool right_neg = is_neg_unary_node(branch[1]); + + if (left_neg && right_neg) + { + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + if ( + !expr_gen.parser_->simplify_unary_negation_branch(branch[0]) || + !expr_gen.parser_->simplify_unary_negation_branch(branch[1]) + ) + { + details::free_all_nodes(*expr_gen.node_allocator_,branch); + + return error_node(); + } + } + + switch (operation) + { + // -f(x + 1) + -g(y + 1) --> -(f(x + 1) + g(y + 1)) + case details::e_add : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0],branch[1])); + + // -f(x + 1) - -g(y + 1) --> g(y + 1) - f(x + 1) + case details::e_sub : return expr_gen.node_allocator_-> + template allocate > > + (branch[1],branch[0]); + + default : break; + } + } + else if (left_neg && !right_neg) + { + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + if (!expr_gen.parser_->simplify_unary_negation_branch(branch[0])) + { + details::free_all_nodes(*expr_gen.node_allocator_,branch); + + return error_node(); + } + + switch (operation) + { + // -f(x + 1) + g(y + 1) --> g(y + 1) - f(x + 1) + case details::e_add : return expr_gen.node_allocator_-> + template allocate > > + (branch[1], branch[0]); + + // -f(x + 1) - g(y + 1) --> -(f(x + 1) + g(y + 1)) + case details::e_sub : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1])); + + // -f(x + 1) * g(y + 1) --> -(f(x + 1) * g(y + 1)) + case details::e_mul : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1])); + + // -f(x + 1) / g(y + 1) --> -(f(x + 1) / g(y + 1)) + case details::e_div : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1])); + + default : return error_node(); + } + } + } + else if (!left_neg && right_neg) + { + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + if (!expr_gen.parser_->simplify_unary_negation_branch(branch[1])) + { + details::free_all_nodes(*expr_gen.node_allocator_,branch); + + return error_node(); + } + + switch (operation) + { + // f(x + 1) + -g(y + 1) --> f(x + 1) - g(y + 1) + case details::e_add : return expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1]); + + // f(x + 1) - - g(y + 1) --> f(x + 1) + g(y + 1) + case details::e_sub : return expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1]); + + // f(x + 1) * -g(y + 1) --> -(f(x + 1) * g(y + 1)) + case details::e_mul : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1])); + + // f(x + 1) / -g(y + 1) --> -(f(x + 1) / g(y + 1)) + case details::e_div : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate > > + (branch[0], branch[1])); + + default : return error_node(); + } + } + } + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate > > \ + (branch[0], branch[1]); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_vob_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type& v = static_cast*>(branch[0])->ref(); + + #ifndef exprtk_disable_enhanced_features + if (details::is_sf3ext_node(branch[1])) + { + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile_right + (expr_gen, v, operation, branch[1], result); + + if (synthesis_result) + { + details::free_node(*expr_gen.node_allocator_,branch[1]); + return result; + } + } + #endif + + if ( + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + if (details::is_uv_node(branch[1])) + { + typedef details::uv_base_node* uvbn_ptr_t; + + details::operator_type o = static_cast(branch[1])->operation(); + + if (details::e_neg == o) + { + const Type& v1 = static_cast(branch[1])->v(); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + + switch (operation) + { + case details::e_mul : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate_rr > >(v,v1)); + + case details::e_div : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate_rr > >(v,v1)); + + default : break; + } + } + } + } + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_rc > > \ + (v, branch[1]); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_bov_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type& v = static_cast*>(branch[1])->ref(); + + #ifndef exprtk_disable_enhanced_features + if (details::is_sf3ext_node(branch[0])) + { + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile_left + (expr_gen, v, operation, branch[0], result); + + if (synthesis_result) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + + return result; + } + } + #endif + + if ( + (details::e_add == operation) || + (details::e_sub == operation) || + (details::e_mul == operation) || + (details::e_div == operation) + ) + { + if (details::is_uv_node(branch[0])) + { + typedef details::uv_base_node* uvbn_ptr_t; + + details::operator_type o = static_cast(branch[0])->operation(); + + if (details::e_neg == o) + { + const Type& v0 = static_cast(branch[0])->v(); + + details::free_node(*expr_gen.node_allocator_,branch[0]); + + switch (operation) + { + case details::e_add : return expr_gen.node_allocator_-> + template allocate_rr > >(v,v0); + + case details::e_sub : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate_rr > >(v0,v)); + + case details::e_mul : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate_rr > >(v0,v)); + + case details::e_div : return expr_gen(details::e_neg, + expr_gen.node_allocator_-> + template allocate_rr > >(v0,v)); + default : break; + } + } + } + } + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_cr > > \ + (branch[0], v); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_cob_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type c = static_cast*>(branch[0])->value(); + + details::free_node(*expr_gen.node_allocator_,branch[0]); + + if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_,branch[1]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + return branch[1]; + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + return branch[1]; + + if (details::is_cob_node(branch[1])) + { + // Simplify expressions of the form: + // 1. (1 * (2 * (3 * (4 * (5 * (6 * (7 * (8 * (9 + x))))))))) --> 40320 * (9 + x) + // 2. (1 + (2 + (3 + (4 + (5 + (6 + (7 + (8 + (9 + x))))))))) --> 45 + x + if ( + (details::e_mul == operation) || + (details::e_add == operation) + ) + { + details::cob_base_node* cobnode = static_cast*>(branch[1]); + + if (operation == cobnode->operation()) + { + switch (operation) + { + case details::e_add : cobnode->set_c(c + cobnode->c()); break; + case details::e_mul : cobnode->set_c(c * cobnode->c()); break; + default : return error_node(); + } + + return cobnode; + } + } + + if (operation == details::e_mul) + { + details::cob_base_node* cobnode = static_cast*>(branch[1]); + details::operator_type cob_opr = cobnode->operation(); + + if ( + (details::e_div == cob_opr) || + (details::e_mul == cob_opr) + ) + { + switch (cob_opr) + { + case details::e_div : cobnode->set_c(c * cobnode->c()); break; + case details::e_mul : cobnode->set_c(cobnode->c() / c); break; + default : return error_node(); + } + + return cobnode; + } + } + else if (operation == details::e_div) + { + details::cob_base_node* cobnode = static_cast*>(branch[1]); + details::operator_type cob_opr = cobnode->operation(); + + if ( + (details::e_div == cob_opr) || + (details::e_mul == cob_opr) + ) + { + details::expression_node* new_cobnode = error_node(); + + switch (cob_opr) + { + case details::e_div : new_cobnode = expr_gen.node_allocator_-> + template allocate_tt > > + (c / cobnode->c(), cobnode->move_branch(0)); + break; + + case details::e_mul : new_cobnode = expr_gen.node_allocator_-> + template allocate_tt > > + (c / cobnode->c(), cobnode->move_branch(0)); + break; + + default : return error_node(); + } + + details::free_node(*expr_gen.node_allocator_,branch[1]); + + return new_cobnode; + } + } + } + #ifndef exprtk_disable_enhanced_features + else if (details::is_sf3ext_node(branch[1])) + { + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile_right + (expr_gen, c, operation, branch[1], result); + + if (synthesis_result) + { + details::free_node(*expr_gen.node_allocator_,branch[1]); + + return result; + } + } + #endif + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_tt > > \ + (c, branch[1]); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_boc_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type c = static_cast*>(branch[1])->value(); + + details::free_node(*(expr_gen.node_allocator_), branch[1]); + + if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + + return expr_gen(std::numeric_limits::quiet_NaN()); + } + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + return branch[0]; + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + return branch[0]; + + if (details::is_boc_node(branch[0])) + { + // Simplify expressions of the form: + // 1. (((((((((x + 9) * 8) * 7) * 6) * 5) * 4) * 3) * 2) * 1) --> (x + 9) * 40320 + // 2. (((((((((x + 9) + 8) + 7) + 6) + 5) + 4) + 3) + 2) + 1) --> x + 45 + if ( + (details::e_mul == operation) || + (details::e_add == operation) + ) + { + details::boc_base_node* bocnode = static_cast*>(branch[0]); + + if (operation == bocnode->operation()) + { + switch (operation) + { + case details::e_add : bocnode->set_c(c + bocnode->c()); break; + case details::e_mul : bocnode->set_c(c * bocnode->c()); break; + default : return error_node(); + } + + return bocnode; + } + } + else if (operation == details::e_div) + { + details::boc_base_node* bocnode = static_cast*>(branch[0]); + details::operator_type boc_opr = bocnode->operation(); + + if ( + (details::e_div == boc_opr) || + (details::e_mul == boc_opr) + ) + { + switch (boc_opr) + { + case details::e_div : bocnode->set_c(c * bocnode->c()); break; + case details::e_mul : bocnode->set_c(bocnode->c() / c); break; + default : return error_node(); + } + + return bocnode; + } + } + else if (operation == details::e_pow) + { + // (v ^ c0) ^ c1 --> v ^(c0 * c1) + details::boc_base_node* bocnode = static_cast*>(branch[0]); + details::operator_type boc_opr = bocnode->operation(); + + if (details::e_pow == boc_opr) + { + bocnode->set_c(bocnode->c() * c); + + return bocnode; + } + } + } + + #ifndef exprtk_disable_enhanced_features + if (details::is_sf3ext_node(branch[0])) + { + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile_left + (expr_gen, c, operation, branch[0], result); + + if (synthesis_result) + { + free_node(*expr_gen.node_allocator_, branch[0]); + + return result; + } + } + #endif + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_cr > > \ + (branch[0], c); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_cocob_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + expression_node_ptr result = error_node(); + + // (cob) o c --> cob + if (details::is_cob_node(branch[0])) + { + details::cob_base_node* cobnode = static_cast*>(branch[0]); + + const Type c = static_cast*>(branch[1])->value(); + + if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return expr_gen(T(std::numeric_limits::quiet_NaN())); + } + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return branch[0]; + } + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return branch[0]; + } + else if (std::equal_to()(T(1),c) && (details::e_div == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return branch[0]; + } + + const bool op_addsub = (details::e_add == cobnode->operation()) || + (details::e_sub == cobnode->operation()) ; + + if (op_addsub) + { + switch (operation) + { + case details::e_add : cobnode->set_c(cobnode->c() + c); break; + case details::e_sub : cobnode->set_c(cobnode->c() - c); break; + default : return error_node(); + } + + result = cobnode; + } + else if (details::e_mul == cobnode->operation()) + { + switch (operation) + { + case details::e_mul : cobnode->set_c(cobnode->c() * c); break; + case details::e_div : cobnode->set_c(cobnode->c() / c); break; + default : return error_node(); + } + + result = cobnode; + } + else if (details::e_div == cobnode->operation()) + { + if (details::e_mul == operation) + { + cobnode->set_c(cobnode->c() * c); + result = cobnode; + } + else if (details::e_div == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (cobnode->c() / c, cobnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_, branch[0]); + } + } + + if (result) + { + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + + // c o (cob) --> cob + else if (details::is_cob_node(branch[1])) + { + details::cob_base_node* cobnode = static_cast*>(branch[1]); + + const Type c = static_cast*>(branch[0])->value(); + + if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + details::free_node(*expr_gen.node_allocator_, branch[1]); + + return expr_gen(T(0)); + } + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + + return branch[1]; + } + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + { + details::free_node(*expr_gen.node_allocator_, branch[0]); + + return branch[1]; + } + + if (details::e_add == cobnode->operation()) + { + if (details::e_add == operation) + { + cobnode->set_c(c + cobnode->c()); + result = cobnode; + } + else if (details::e_sub == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c - cobnode->c(), cobnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_sub == cobnode->operation()) + { + if (details::e_add == operation) + { + cobnode->set_c(c + cobnode->c()); + result = cobnode; + } + else if (details::e_sub == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c - cobnode->c(), cobnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_mul == cobnode->operation()) + { + if (details::e_mul == operation) + { + cobnode->set_c(c * cobnode->c()); + result = cobnode; + } + else if (details::e_div == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c / cobnode->c(), cobnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_div == cobnode->operation()) + { + if (details::e_mul == operation) + { + cobnode->set_c(c * cobnode->c()); + result = cobnode; + } + else if (details::e_div == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c / cobnode->c(), cobnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + + if (result) + { + details::free_node(*expr_gen.node_allocator_,branch[0]); + } + } + + return result; + } + }; + + struct synthesize_coboc_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + expression_node_ptr result = error_node(); + + // (boc) o c --> boc + if (details::is_boc_node(branch[0])) + { + details::boc_base_node* bocnode = static_cast*>(branch[0]); + + const Type c = static_cast*>(branch[1])->value(); + + if (details::e_add == bocnode->operation()) + { + switch (operation) + { + case details::e_add : bocnode->set_c(bocnode->c() + c); break; + case details::e_sub : bocnode->set_c(bocnode->c() - c); break; + default : return error_node(); + } + + result = bocnode; + } + else if (details::e_mul == bocnode->operation()) + { + switch (operation) + { + case details::e_mul : bocnode->set_c(bocnode->c() * c); break; + case details::e_div : bocnode->set_c(bocnode->c() / c); break; + default : return error_node(); + } + + result = bocnode; + } + else if (details::e_sub == bocnode->operation()) + { + if (details::e_add == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (bocnode->move_branch(0), c - bocnode->c()); + + details::free_node(*expr_gen.node_allocator_,branch[0]); + } + else if (details::e_sub == operation) + { + bocnode->set_c(bocnode->c() + c); + result = bocnode; + } + } + else if (details::e_div == bocnode->operation()) + { + switch (operation) + { + case details::e_div : bocnode->set_c(bocnode->c() * c); break; + case details::e_mul : bocnode->set_c(bocnode->c() / c); break; + default : return error_node(); + } + + result = bocnode; + } + + if (result) + { + details::free_node(*expr_gen.node_allocator_, branch[1]); + } + } + + // c o (boc) --> boc + else if (details::is_boc_node(branch[1])) + { + details::boc_base_node* bocnode = static_cast*>(branch[1]); + + const Type c = static_cast*>(branch[0])->value(); + + if (details::e_add == bocnode->operation()) + { + if (details::e_add == operation) + { + bocnode->set_c(c + bocnode->c()); + result = bocnode; + } + else if (details::e_sub == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c - bocnode->c(), bocnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_sub == bocnode->operation()) + { + if (details::e_add == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (bocnode->move_branch(0), c - bocnode->c()); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + else if (details::e_sub == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c + bocnode->c(), bocnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_mul == bocnode->operation()) + { + if (details::e_mul == operation) + { + bocnode->set_c(c * bocnode->c()); + result = bocnode; + } + else if (details::e_div == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c / bocnode->c(), bocnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + else if (details::e_div == bocnode->operation()) + { + if (details::e_mul == operation) + { + bocnode->set_c(bocnode->c() / c); + result = bocnode; + } + else if (details::e_div == operation) + { + result = expr_gen.node_allocator_-> + template allocate_tt > > + (c * bocnode->c(), bocnode->move_branch(0)); + + details::free_node(*expr_gen.node_allocator_,branch[1]); + } + } + + if (result) + { + details::free_node(*expr_gen.node_allocator_,branch[0]); + } + } + + return result; + } + }; + + #ifndef exprtk_disable_enhanced_features + inline bool synthesize_expression(const details::operator_type& operation, + expression_node_ptr (&branch)[2], + expression_node_ptr& result) + { + result = error_node(); + + if (!operation_optimisable(operation)) + return false; + + const std::string node_id = branch_to_id(branch); + + const typename synthesize_map_t::iterator itr = synthesize_map_.find(node_id); + + if (synthesize_map_.end() != itr) + { + result = itr->second((*this), operation, branch); + + return true; + } + else + return false; + } + + struct synthesize_vov_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type& v1 = static_cast*>(branch[0])->ref(); + const Type& v2 = static_cast*>(branch[1])->ref(); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_rr > > \ + (v1, v2); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_cov_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type c = static_cast*> (branch[0])->value(); + const Type& v = static_cast*>(branch[1])->ref (); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + return expr_gen(T(0)); + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + return expr_gen(T(0)); + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + return static_cast*>(branch[1]); + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + return static_cast*>(branch[1]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_cr > > \ + (c, v); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_voc_expression + { + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + const Type& v = static_cast*>(branch[0])->ref (); + const Type c = static_cast*> (branch[1])->value(); + + details::free_node(*(expr_gen.node_allocator_), branch[1]); + + if (expr_gen.cardinal_pow_optimisable(operation,c)) + { + if (std::equal_to()(T(1),c)) + return branch[0]; + else + return expr_gen.cardinal_pow_optimisation(v,c); + } + else if (std::equal_to()(T(0),c) && (details::e_mul == operation)) + return expr_gen(T(0)); + else if (std::equal_to()(T(0),c) && (details::e_div == operation)) + return expr_gen(std::numeric_limits::quiet_NaN()); + else if (std::equal_to()(T(0),c) && (details::e_add == operation)) + return static_cast*>(branch[0]); + else if (std::equal_to()(T(1),c) && (details::e_mul == operation)) + return static_cast*>(branch[0]); + else if (std::equal_to()(T(1),c) && (details::e_div == operation)) + return static_cast*>(branch[0]); + + switch (operation) + { + #define case_stmt(op0, op1) \ + case op0 : return expr_gen.node_allocator_-> \ + template allocate_rc > > \ + (v, c); \ + + basic_opr_switch_statements + extended_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + }; + + struct synthesize_sf3ext_expression + { + template + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& sf3opr, + T0 t0, T1 t1, T2 t2) + { + switch (sf3opr) + { + #define case_stmt(op) \ + case details::e_sf##op : return details::T0oT1oT2_sf3ext >:: \ + allocate(*(expr_gen.node_allocator_), t0, t1, t2); \ + + case_stmt(00) case_stmt(01) case_stmt(02) case_stmt(03) + case_stmt(04) case_stmt(05) case_stmt(06) case_stmt(07) + case_stmt(08) case_stmt(09) case_stmt(10) case_stmt(11) + case_stmt(12) case_stmt(13) case_stmt(14) case_stmt(15) + case_stmt(16) case_stmt(17) case_stmt(18) case_stmt(19) + case_stmt(20) case_stmt(21) case_stmt(22) case_stmt(23) + case_stmt(24) case_stmt(25) case_stmt(26) case_stmt(27) + case_stmt(28) case_stmt(29) case_stmt(30) + #undef case_stmt + default : return error_node(); + } + } + + template + static inline bool compile(expression_generator& expr_gen, const std::string& id, + T0 t0, T1 t1, T2 t2, + expression_node_ptr& result) + { + details::operator_type sf3opr; + + if (!expr_gen.sf3_optimisable(id,sf3opr)) + return false; + else + result = synthesize_sf3ext_expression::template process + (expr_gen, sf3opr, t0, t1, t2); + + return true; + } + }; + + struct synthesize_sf4ext_expression + { + template + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& sf4opr, + T0 t0, T1 t1, T2 t2, T3 t3) + { + switch (sf4opr) + { + #define case_stmt0(op) \ + case details::e_sf##op : return details::T0oT1oT2oT3_sf4ext >:: \ + allocate(*(expr_gen.node_allocator_), t0, t1, t2, t3); \ + + #define case_stmt1(op) \ + case details::e_sf4ext##op : return details::T0oT1oT2oT3_sf4ext >:: \ + allocate(*(expr_gen.node_allocator_), t0, t1, t2, t3); \ + + case_stmt0(48) case_stmt0(49) case_stmt0(50) case_stmt0(51) + case_stmt0(52) case_stmt0(53) case_stmt0(54) case_stmt0(55) + case_stmt0(56) case_stmt0(57) case_stmt0(58) case_stmt0(59) + case_stmt0(60) case_stmt0(61) case_stmt0(62) case_stmt0(63) + case_stmt0(64) case_stmt0(65) case_stmt0(66) case_stmt0(67) + case_stmt0(68) case_stmt0(69) case_stmt0(70) case_stmt0(71) + case_stmt0(72) case_stmt0(73) case_stmt0(74) case_stmt0(75) + case_stmt0(76) case_stmt0(77) case_stmt0(78) case_stmt0(79) + case_stmt0(80) case_stmt0(81) case_stmt0(82) case_stmt0(83) + + case_stmt1(00) case_stmt1(01) case_stmt1(02) case_stmt1(03) + case_stmt1(04) case_stmt1(05) case_stmt1(06) case_stmt1(07) + case_stmt1(08) case_stmt1(09) case_stmt1(10) case_stmt1(11) + case_stmt1(12) case_stmt1(13) case_stmt1(14) case_stmt1(15) + case_stmt1(16) case_stmt1(17) case_stmt1(18) case_stmt1(19) + case_stmt1(20) case_stmt1(21) case_stmt1(22) case_stmt1(23) + case_stmt1(24) case_stmt1(25) case_stmt1(26) case_stmt1(27) + case_stmt1(28) case_stmt1(29) case_stmt1(30) case_stmt1(31) + case_stmt1(32) case_stmt1(33) case_stmt1(34) case_stmt1(35) + case_stmt1(36) case_stmt1(37) case_stmt1(38) case_stmt1(39) + case_stmt1(40) case_stmt1(41) case_stmt1(42) case_stmt1(43) + case_stmt1(44) case_stmt1(45) case_stmt1(46) case_stmt1(47) + case_stmt1(48) case_stmt1(49) case_stmt1(50) case_stmt1(51) + case_stmt1(52) case_stmt1(53) case_stmt1(54) case_stmt1(55) + case_stmt1(56) case_stmt1(57) case_stmt1(58) case_stmt1(59) + case_stmt1(60) case_stmt1(61) + + #undef case_stmt0 + #undef case_stmt1 + default : return error_node(); + } + } + + template + static inline bool compile(expression_generator& expr_gen, const std::string& id, + T0 t0, T1 t1, T2 t2, T3 t3, + expression_node_ptr& result) + { + details::operator_type sf4opr; + + if (!expr_gen.sf4_optimisable(id,sf4opr)) + return false; + else + result = synthesize_sf4ext_expression::template process + (expr_gen, sf4opr, t0, t1, t2, t3); + + return true; + } + + // T o (sf3ext) + template + static inline bool compile_right(expression_generator& expr_gen, + ExternalType t, + const details::operator_type& operation, + expression_node_ptr& sf3node, + expression_node_ptr& result) + { + if (!details::is_sf3ext_node(sf3node)) + return false; + + typedef details::T0oT1oT2_base_node* sf3ext_base_ptr; + + sf3ext_base_ptr n = static_cast(sf3node); + const std::string id = "t" + expr_gen.to_str(operation) + "(" + n->type_id() + ")"; + + switch (n->type()) + { + case details::expression_node::e_covoc : return compile_right_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_covov : return compile_right_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vocov : return compile_right_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vovoc : return compile_right_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vovov : return compile_right_impl + + (expr_gen, id, t, sf3node, result); + + default : return false; + } + } + + // (sf3ext) o T + template + static inline bool compile_left(expression_generator& expr_gen, + ExternalType t, + const details::operator_type& operation, + expression_node_ptr& sf3node, + expression_node_ptr& result) + { + if (!details::is_sf3ext_node(sf3node)) + return false; + + typedef details::T0oT1oT2_base_node* sf3ext_base_ptr; + + sf3ext_base_ptr n = static_cast(sf3node); + + const std::string id = "(" + n->type_id() + ")" + expr_gen.to_str(operation) + "t"; + + switch (n->type()) + { + case details::expression_node::e_covoc : return compile_left_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_covov : return compile_left_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vocov : return compile_left_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vovoc : return compile_left_impl + + (expr_gen, id, t, sf3node, result); + + case details::expression_node::e_vovov : return compile_left_impl + + (expr_gen, id, t, sf3node, result); + + default : return false; + } + } + + template + static inline bool compile_right_impl(expression_generator& expr_gen, + const std::string& id, + ExternalType t, + expression_node_ptr& node, + expression_node_ptr& result) + { + SF3TypeNode* n = dynamic_cast(node); + + if (n) + { + T0 t0 = n->t0(); + T1 t1 = n->t1(); + T2 t2 = n->t2(); + + return synthesize_sf4ext_expression::template compile + (expr_gen, id, t, t0, t1, t2, result); + } + else + return false; + } + + template + static inline bool compile_left_impl(expression_generator& expr_gen, + const std::string& id, + ExternalType t, + expression_node_ptr& node, + expression_node_ptr& result) + { + SF3TypeNode* n = dynamic_cast(node); + + if (n) + { + T0 t0 = n->t0(); + T1 t1 = n->t1(); + T2 t2 = n->t2(); + + return synthesize_sf4ext_expression::template compile + (expr_gen, id, t0, t1, t2, t, result); + } + else + return false; + } + }; + + struct synthesize_vovov_expression0 + { + typedef typename vovov_t::type0 node_type; + typedef typename vovov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 v1) o1 (v2) + const details::vov_base_node* vov = static_cast*>(branch[0]); + const Type& v0 = vov->v0(); + const Type& v1 = vov->v1(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = vov->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / v1) / v2 --> (vovov) v0 / (v1 * v2) + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", v0, v1, v2, result); + + exprtk_debug(("(v0 / v1) / v2 --> (vovov) v0 / (v1 * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, v1, v2, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_vovov_expression1 + { + typedef typename vovov_t::type1 node_type; + typedef typename vovov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0) o0 (v1 o1 v2) + const details::vov_base_node* vov = static_cast*>(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vov->v0(); + const Type& v2 = vov->v1(); + const details::operator_type o0 = operation; + const details::operator_type o1 = vov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // v0 / (v1 / v2) --> (vovov) (v0 * v2) / v1 + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", v0, v2, v1, result); + + exprtk_debug(("v0 / (v1 / v2) --> (vovov) (v0 * v2) / v1\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, v1, v2, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_vovoc_expression0 + { + typedef typename vovoc_t::type0 node_type; + typedef typename vovoc_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 v1) o1 (c) + const details::vov_base_node* vov = static_cast*>(branch[0]); + const Type& v0 = vov->v0(); + const Type& v1 = vov->v1(); + const Type c = static_cast*>(branch[1])->value(); + const details::operator_type o0 = vov->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / v1) / c --> (vovoc) v0 / (v1 * c) + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", v0, v1, c, result); + + exprtk_debug(("(v0 / v1) / c --> (vovoc) v0 / (v1 * c)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, v1, c, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_vovoc_expression1 + { + typedef typename vovoc_t::type1 node_type; + typedef typename vovoc_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0) o0 (v1 o1 c) + const details::voc_base_node* voc = static_cast*>(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = voc->v(); + const Type c = voc->c(); + const details::operator_type o0 = operation; + const details::operator_type o1 = voc->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // v0 / (v1 / c) --> (vocov) (v0 * c) / v1 + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", v0, c, v1, result); + + exprtk_debug(("v0 / (v1 / c) --> (vocov) (v0 * c) / v1\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, v1, c, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_vocov_expression0 + { + typedef typename vocov_t::type0 node_type; + typedef typename vocov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 c) o1 (v1) + const details::voc_base_node* voc = static_cast*>(branch[0]); + const Type& v0 = voc->v(); + const Type c = voc->c(); + const Type& v1 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = voc->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / c) / v1 --> (vovoc) v0 / (v1 * c) + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", v0, v1, c, result); + + exprtk_debug(("(v0 / c) / v1 --> (vovoc) v0 / (v1 * c)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, c, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_vocov_expression1 + { + typedef typename vocov_t::type1 node_type; + typedef typename vocov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0) o0 (c o1 v1) + const details::cov_base_node* cov = static_cast*>(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c = cov->c(); + const Type& v1 = cov->v(); + const details::operator_type o0 = operation; + const details::operator_type o1 = cov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // v0 / (c / v1) --> (vovoc) (v0 * v1) / c + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", v0, v1, c, result); + + exprtk_debug(("v0 / (c / v1) --> (vovoc) (v0 * v1) / c\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v0, c, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_covov_expression0 + { + typedef typename covov_t::type0 node_type; + typedef typename covov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c o0 v0) o1 (v1) + const details::cov_base_node* cov = static_cast*>(branch[0]); + const Type c = cov->c(); + const Type& v0 = cov->v(); + const Type& v1 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = cov->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c / v0) / v1 --> (covov) c / (v0 * v1) + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", c, v0, v1, result); + + exprtk_debug(("(c / v0) / v1 --> (covov) c / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), c, v0, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_covov_expression1 + { + typedef typename covov_t::type1 node_type; + typedef typename covov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c) o0 (v0 o1 v1) + const details::vov_base_node* vov = static_cast*>(branch[1]); + const Type c = static_cast*>(branch[0])->value(); + const Type& v0 = vov->v0(); + const Type& v1 = vov->v1(); + const details::operator_type o0 = operation; + const details::operator_type o1 = vov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // c / (v0 / v1) --> (covov) (c * v1) / v0 + if ((details::e_div == o0) && (details::e_div == o1)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", c, v1, v0, result); + + exprtk_debug(("c / (v0 / v1) --> (covov) (c * v1) / v0\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), c, v0, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_covoc_expression0 + { + typedef typename covoc_t::type0 node_type; + typedef typename covoc_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c0 o0 v) o1 (c1) + const details::cov_base_node* cov = static_cast*>(branch[0]); + const Type c0 = cov->c(); + const Type& v = cov->v(); + const Type c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = cov->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c0 + v) + c1 --> (cov) (c0 + c1) + v + if ((details::e_add == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0 + v) + c1 --> (cov) (c0 + c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0 + v) - c1 --> (cov) (c0 - c1) + v + else if ((details::e_add == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0 + v) - c1 --> (cov) (c0 - c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0 - v) + c1 --> (cov) (c0 + c1) - v + else if ((details::e_sub == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0 - v) + c1 --> (cov) (c0 + c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0 - v) - c1 --> (cov) (c0 - c1) - v + else if ((details::e_sub == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0 - v) - c1 --> (cov) (c0 - c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0 * v) * c1 --> (cov) (c0 * c1) * v + else if ((details::e_mul == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0 * v) * c1 --> (cov) (c0 * c1) * v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + // (c0 * v) / c1 --> (cov) (c0 / c1) * v + else if ((details::e_mul == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0 * v) / c1 --> (cov) (c0 / c1) * v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + // (c0 / v) * c1 --> (cov) (c0 * c1) / v + else if ((details::e_div == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0 / v) * c1 --> (cov) (c0 * c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + // (c0 / v) / c1 --> (cov) (c0 / c1) / v + else if ((details::e_div == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0 / v) / c1 --> (cov) (c0 / c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), c0, v, c1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c0, v, c1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_covoc_expression1 + { + typedef typename covoc_t::type1 node_type; + typedef typename covoc_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c0) o0 (v o1 c1) + const details::voc_base_node* voc = static_cast*>(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type& v = voc->v(); + const Type c1 = voc->c(); + const details::operator_type o0 = operation; + const details::operator_type o1 = voc->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c0) + (v + c1) --> (cov) (c0 + c1) + v + if ((details::e_add == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0) + (v + c1) --> (cov) (c0 + c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0) + (v - c1) --> (cov) (c0 - c1) + v + else if ((details::e_add == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0) + (v - c1) --> (cov) (c0 - c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0) - (v + c1) --> (cov) (c0 - c1) - v + else if ((details::e_sub == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0) - (v + c1) --> (cov) (c0 - c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0) - (v - c1) --> (cov) (c0 + c1) - v + else if ((details::e_sub == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0) - (v - c1) --> (cov) (c0 + c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0) * (v * c1) --> (voc) v * (c0 * c1) + else if ((details::e_mul == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0) * (v * c1) --> (voc) v * (c0 * c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + // (c0) * (v / c1) --> (cov) (c0 / c1) * v + else if ((details::e_mul == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0) * (v / c1) --> (cov) (c0 / c1) * v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + // (c0) / (v * c1) --> (cov) (c0 / c1) / v + else if ((details::e_div == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0) / (v * c1) --> (cov) (c0 / c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + // (c0) / (v / c1) --> (cov) (c0 * c1) / v + else if ((details::e_div == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0) / (v / c1) --> (cov) (c0 * c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), c0, v, c1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c0, v, c1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_cocov_expression0 + { + typedef typename cocov_t::type0 node_type; + static inline expression_node_ptr process(expression_generator&, + const details::operator_type&, + expression_node_ptr (&)[2]) + { + // (c0 o0 c1) o1 (v) - Not possible. + return error_node(); + } + }; + + struct synthesize_cocov_expression1 + { + typedef typename cocov_t::type1 node_type; + typedef typename cocov_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c0) o0 (c1 o1 v) + const details::cov_base_node* cov = static_cast*>(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type c1 = cov->c(); + const Type& v = cov->v(); + const details::operator_type o0 = operation; + const details::operator_type o1 = cov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c0) + (c1 + v) --> (cov) (c0 + c1) + v + if ((details::e_add == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0) + (c1 + v) --> (cov) (c0 + c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0) + (c1 - v) --> (cov) (c0 + c1) - v + else if ((details::e_add == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0) + (c1 - v) --> (cov) (c0 + c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 + c1, v); + } + // (c0) - (c1 + v) --> (cov) (c0 - c1) - v + else if ((details::e_sub == o0) && (details::e_add == o1)) + { + exprtk_debug(("(c0) - (c1 + v) --> (cov) (c0 - c1) - v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0) - (c1 - v) --> (cov) (c0 - c1) + v + else if ((details::e_sub == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(c0) - (c1 - v) --> (cov) (c0 - c1) + v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 - c1, v); + } + // (c0) * (c1 * v) --> (cov) (c0 * c1) * v + else if ((details::e_mul == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0) * (c1 * v) --> (cov) (c0 * c1) * v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + // (c0) * (c1 / v) --> (cov) (c0 * c1) / v + else if ((details::e_mul == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0) * (c1 / v) --> (cov) (c0 * c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 * c1, v); + } + // (c0) / (c1 * v) --> (cov) (c0 / c1) / v + else if ((details::e_div == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(c0) / (c1 * v) --> (cov) (c0 / c1) / v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + // (c0) / (c1 / v) --> (cov) (c0 / c1) * v + else if ((details::e_div == o0) && (details::e_div == o1)) + { + exprtk_debug(("(c0) / (c1 / v) --> (cov) (c0 / c1) * v\n")); + + return expr_gen.node_allocator_-> + template allocate_cr > >(c0 / c1, v); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), c0, c1, v, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c0, c1, v, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)"; + } + }; + + struct synthesize_vococ_expression0 + { + typedef typename vococ_t::type0 node_type; + typedef typename vococ_t::sf3_type sf3_type; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v o0 c0) o1 (c1) + const details::voc_base_node* voc = static_cast*>(branch[0]); + const Type& v = voc->v(); + const Type& c0 = voc->c(); + const Type& c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = voc->operation(); + const details::operator_type o1 = operation; + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v + c0) + c1 --> (voc) v + (c0 + c1) + if ((details::e_add == o0) && (details::e_add == o1)) + { + exprtk_debug(("(v + c0) + c1 --> (voc) v + (c0 + c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 + c1); + } + // (v + c0) - c1 --> (voc) v + (c0 - c1) + else if ((details::e_add == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(v + c0) - c1 --> (voc) v + (c0 - c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 - c1); + } + // (v - c0) + c1 --> (voc) v - (c0 + c1) + else if ((details::e_sub == o0) && (details::e_add == o1)) + { + exprtk_debug(("(v - c0) + c1 --> (voc) v - (c0 + c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c1 - c0); + } + // (v - c0) - c1 --> (voc) v - (c0 + c1) + else if ((details::e_sub == o0) && (details::e_sub == o1)) + { + exprtk_debug(("(v - c0) - c1 --> (voc) v - (c0 + c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 + c1); + } + // (v * c0) * c1 --> (voc) v * (c0 * c1) + else if ((details::e_mul == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(v * c0) * c1 --> (voc) v * (c0 * c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 * c1); + } + // (v * c0) / c1 --> (voc) v * (c0 / c1) + else if ((details::e_mul == o0) && (details::e_div == o1)) + { + exprtk_debug(("(v * c0) / c1 --> (voc) v * (c0 / c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 / c1); + } + // (v / c0) * c1 --> (voc) v * (c1 / c0) + else if ((details::e_div == o0) && (details::e_mul == o1)) + { + exprtk_debug(("(v / c0) * c1 --> (voc) v * (c1 / c0)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c1 / c0); + } + // (v / c0) / c1 --> (voc) v / (c0 * c1) + else if ((details::e_div == o0) && (details::e_div == o1)) + { + exprtk_debug(("(v / c0) / c1 --> (voc) v / (c0 * c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 * c1); + } + // (v ^ c0) ^ c1 --> (voc) v ^ (c0 * c1) + else if ((details::e_pow == o0) && (details::e_pow == o1)) + { + exprtk_debug(("(v ^ c0) ^ c1 --> (voc) v ^ (c0 * c1)\n")); + + return expr_gen.node_allocator_-> + template allocate_rc > >(v, c0 * c1); + } + } + + const bool synthesis_result = + synthesize_sf3ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1), v, c0, c1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v, c0, c1, f0, f1); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t"; + } + }; + + struct synthesize_vococ_expression1 + { + typedef typename vococ_t::type0 node_type; + + static inline expression_node_ptr process(expression_generator&, + const details::operator_type&, + expression_node_ptr (&)[2]) + { + // (v) o0 (c0 o1 c1) - Not possible. + exprtk_debug(("(v) o0 (c0 o1 c1) - Not possible.\n")); + return error_node(); + } + }; + + struct synthesize_vovovov_expression0 + { + typedef typename vovovov_t::type0 node_type; + typedef typename vovovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 v1) o1 (v2 o2 v3) + const details::vov_base_node* vov0 = static_cast*>(branch[0]); + const details::vov_base_node* vov1 = static_cast*>(branch[1]); + const Type& v0 = vov0->v0(); + const Type& v1 = vov0->v1(); + const Type& v2 = vov1->v0(); + const Type& v3 = vov1->v1(); + const details::operator_type o0 = vov0->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = vov1->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / v1) * (v2 / v3) --> (vovovov) (v0 * v2) / (v1 * v3) + if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v2, v1, v3, result); + + exprtk_debug(("(v0 / v1) * (v2 / v3) --> (vovovov) (v0 * v2) / (v1 * v3)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / v1) / (v2 / v3) --> (vovovov) (v0 * v3) / (v1 * v2) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v3, v1, v2, result); + + exprtk_debug(("(v0 / v1) / (v2 / v3) --> (vovovov) (v0 * v3) / (v1 * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 + v1) / (v2 / v3) --> (vovovov) (v0 + v1) * (v3 / v2) + else if ((details::e_add == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t+t)*(t/t)", v0, v1, v3, v2, result); + + exprtk_debug(("(v0 + v1) / (v2 / v3) --> (vovovov) (v0 + v1) * (v3 / v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 - v1) / (v2 / v3) --> (vovovov) (v0 + v1) * (v3 / v2) + else if ((details::e_sub == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t-t)*(t/t)", v0, v1, v3, v2, result); + + exprtk_debug(("(v0 - v1) / (v2 / v3) --> (vovovov) (v0 - v1) * (v3 / v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * v1) / (v2 / v3) --> (vovovov) ((v0 * v1) * v3) / v2 + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "((t*t)*t)/t", v0, v1, v3, v2, result); + + exprtk_debug(("(v0 * v1) / (v2 / v3) --> (vovovov) ((v0 * v1) * v3) / v2\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, v3, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, v3, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vovovoc_expression0 + { + typedef typename vovovoc_t::type0 node_type; + typedef typename vovovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 v1) o1 (v2 o2 c) + const details::vov_base_node* vov = static_cast*>(branch[0]); + const details::voc_base_node* voc = static_cast*>(branch[1]); + const Type& v0 = vov->v0(); + const Type& v1 = vov->v1(); + const Type& v2 = voc->v (); + const Type c = voc->c (); + const details::operator_type o0 = vov->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = voc->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / v1) * (v2 / c) --> (vovovoc) (v0 * v2) / (v1 * c) + if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v2, v1, c, result); + + exprtk_debug(("(v0 / v1) * (v2 / c) --> (vovovoc) (v0 * v2) / (v1 * c)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / v1) / (v2 / c) --> (vocovov) (v0 * c) / (v1 * v2) + if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, c, v1, v2, result); + + exprtk_debug(("(v0 / v1) / (v2 / c) --> (vocovov) (v0 * c) / (v1 * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, c, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, c, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vovocov_expression0 + { + typedef typename vovocov_t::type0 node_type; + typedef typename vovocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 v1) o1 (c o2 v2) + const details::vov_base_node* vov = static_cast*>(branch[0]); + const details::cov_base_node* cov = static_cast*>(branch[1]); + const Type& v0 = vov->v0(); + const Type& v1 = vov->v1(); + const Type& v2 = cov->v (); + const Type c = cov->c (); + const details::operator_type o0 = vov->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = cov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / v1) * (c / v2) --> (vocovov) (v0 * c) / (v1 * v2) + if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, c, v1, v2, result); + + exprtk_debug(("(v0 / v1) * (c / v2) --> (vocovov) (v0 * c) / (v1 * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / v1) / (c / v2) --> (vovovoc) (v0 * v2) / (v1 * c) + if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v2, v1, c, result); + + exprtk_debug(("(v0 / v1) / (c / v2) --> (vovovoc) (v0 * v2) / (v1 * c)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, c, v2, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vocovov_expression0 + { + typedef typename vocovov_t::type0 node_type; + typedef typename vocovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 c) o1 (v1 o2 v2) + const details::voc_base_node* voc = static_cast*>(branch[0]); + const details::vov_base_node* vov = static_cast*>(branch[1]); + const Type c = voc->c (); + const Type& v0 = voc->v (); + const Type& v1 = vov->v0(); + const Type& v2 = vov->v1(); + const details::operator_type o0 = voc->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = vov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 / c) * (v1 / v2) --> (vovocov) (v0 * v1) / (c * v2) + if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v1, c, v2, result); + + exprtk_debug(("(v0 / c) * (v1 / v2) --> (vovocov) (v0 * v1) / (c * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c) / (v1 / v2) --> (vovocov) (v0 * v2) / (c * v1) + if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", v0, v2, c, v1, result); + + exprtk_debug(("(v0 / c) / (v1 / v2) --> (vovocov) (v0 * v2) / (c * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c, v1, v2, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covovov_expression0 + { + typedef typename covovov_t::type0 node_type; + typedef typename covovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c o0 v0) o1 (v1 o2 v2) + const details::cov_base_node* cov = static_cast*>(branch[0]); + const details::vov_base_node* vov = static_cast*>(branch[1]); + const Type c = cov->c (); + const Type& v0 = cov->v (); + const Type& v1 = vov->v0(); + const Type& v2 = vov->v1(); + const details::operator_type o0 = cov->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = vov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c / v0) * (v1 / v2) --> (covovov) (c * v1) / (v0 * v2) + if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", c, v1, v0, v2, result); + + exprtk_debug(("(c / v0) * (v1 / v2) --> (covovov) (c * v1) / (v0 * v2)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c / v0) / (v1 / v2) --> (covovov) (c * v2) / (v0 * v1) + if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)/(t*t)", c, v2, v0, v1, result); + + exprtk_debug(("(c / v0) / (v1 / v2) --> (covovov) (c * v2) / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c, v0, v1, v2, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covocov_expression0 + { + typedef typename covocov_t::type0 node_type; + typedef typename covocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c0 o0 v0) o1 (c1 o2 v1) + const details::cov_base_node* cov0 = static_cast*>(branch[0]); + const details::cov_base_node* cov1 = static_cast*>(branch[1]); + const Type c0 = cov0->c(); + const Type& v0 = cov0->v(); + const Type c1 = cov1->c(); + const Type& v1 = cov1->v(); + const details::operator_type o0 = cov0->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = cov1->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c0 + v0) + (c1 + v1) --> (covov) (c0 + c1) + v0 + v1 + if ((details::e_add == o0) && (details::e_add == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)+t", (c0 + c1), v0, v1, result); + + exprtk_debug(("(c0 + v0) + (c1 + v1) --> (covov) (c0 + c1) + v0 + v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 + v0) - (c1 + v1) --> (covov) (c0 - c1) + v0 - v1 + else if ((details::e_add == o0) && (details::e_sub == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", (c0 - c1), v0, v1, result); + + exprtk_debug(("(c0 + v0) - (c1 + v1) --> (covov) (c0 - c1) + v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 - v0) - (c1 - v1) --> (covov) (c0 - c1) - v0 + v1 + else if ((details::e_sub == o0) && (details::e_sub == o1) && (details::e_sub == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t-t)+t", (c0 - c1), v0, v1, result); + + exprtk_debug(("(c0 - v0) - (c1 - v1) --> (covov) (c0 - c1) - v0 + v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) * (c1 * v1) --> (covov) (c0 * c1) * v0 * v1 + else if ((details::e_mul == o0) && (details::e_mul == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", (c0 * c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) * (c1 * v1) --> (covov) (c0 * c1) * v0 * v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) / (c1 * v1) --> (covov) (c0 / c1) * (v0 / v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 / c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) / (c1 * v1) --> (covov) (c0 / c1) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) * (c1 / v1) --> (covov) (c0 * c1) / (v0 * v1) + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", (c0 * c1), v0, v1, result); + + exprtk_debug(("(c0 / v0) * (c1 / v1) --> (covov) (c0 * c1) / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) / (c1 / v1) --> (covov) ((c0 / c1) * v1) / v0 + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 / c1), v1, v0, result); + + exprtk_debug(("(c0 / v0) / (c1 / v1) --> (covov) ((c0 / c1) * v1) / v0\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) / (c1 / v1) --> (covov) (c0 / c1) * (v0 * v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t*(t*t)", (c0 / c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) / (c1 / v1) --> (covov) (c0 / c1) * (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) / (c1 * v1) --> (covov) (c0 / c1) / (v0 * v1) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", (c0 / c1), v0, v1, result); + + exprtk_debug(("(c0 / v0) / (c1 * v1) --> (covov) (c0 / c1) / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c * v0) +/- (c * v1) --> (covov) c * (v0 +/- v1) + else if ( + (std::equal_to()(c0,c1)) && + (details::e_mul == o0) && + (details::e_mul == o2) && + ( + (details::e_add == o1) || + (details::e_sub == o1) + ) + ) + { + std::string specfunc; + + switch (o1) + { + case details::e_add : specfunc = "t*(t+t)"; break; + case details::e_sub : specfunc = "t*(t-t)"; break; + default : return error_node(); + } + + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, specfunc, c0, v0, v1, result); + + exprtk_debug(("(c * v0) +/- (c * v1) --> (covov) c * (v0 +/- v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, c1, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vocovoc_expression0 + { + typedef typename vocovoc_t::type0 node_type; + typedef typename vocovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 c0) o1 (v1 o2 c1) + const details::voc_base_node* voc0 = static_cast*>(branch[0]); + const details::voc_base_node* voc1 = static_cast*>(branch[1]); + const Type c0 = voc0->c(); + const Type& v0 = voc0->v(); + const Type c1 = voc1->c(); + const Type& v1 = voc1->v(); + const details::operator_type o0 = voc0->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = voc1->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 + c0) + (v1 + c1) --> (covov) (c0 + c1) + v0 + v1 + if ((details::e_add == o0) && (details::e_add == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)+t", (c0 + c1), v0, v1, result); + + exprtk_debug(("(v0 + c0) + (v1 + c1) --> (covov) (c0 + c1) + v0 + v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 + c0) - (v1 + c1) --> (covov) (c0 - c1) + v0 - v1 + else if ((details::e_add == o0) && (details::e_sub == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", (c0 - c1), v0, v1, result); + + exprtk_debug(("(v0 + c0) - (v1 + c1) --> (covov) (c0 - c1) + v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 - c0) - (v1 - c1) --> (covov) (c1 - c0) + v0 - v1 + else if ((details::e_sub == o0) && (details::e_sub == o1) && (details::e_sub == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", (c1 - c0), v0, v1, result); + + exprtk_debug(("(v0 - c0) - (v1 - c1) --> (covov) (c1 - c0) + v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) * (v1 * c1) --> (covov) (c0 * c1) * v0 * v1 + else if ((details::e_mul == o0) && (details::e_mul == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) * (v1 * c1) --> (covov) (c0 * c1) * v0 * v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) / (v1 * c1) --> (covov) (c0 / c1) * (v0 / v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 / c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) / (v1 * c1) --> (covov) (c0 / c1) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) * (v1 / c1) --> (covov) (1 / (c0 * c1)) * v0 * v1 + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", Type(1) / (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 / c0) * (v1 / c1) --> (covov) (1 / (c0 * c1)) * v0 * v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) / (v1 / c1) --> (covov) ((c1 / c0) * v0) / v1 + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c1 / c0), v0, v1, result); + + exprtk_debug(("(v0 / c0) / (v1 / c1) --> (covov) ((c1 / c0) * v0) / v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) / (v1 / c1) --> (covov) (c0 * c1) * (v0 / v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t*(t/t)", (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) / (v1 / c1) --> (covov) (c0 * c1) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) / (v1 * c1) --> (covov) (1 / (c0 * c1)) * v0 / v1 + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t*(t/t)", Type(1) / (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 / c0) / (v1 * c1) --> (covov) (1 / (c0 * c1)) * v0 / v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) * (v1 + c1) --> (vocovoc) (v0 * (1 / c0)) * (v1 + c1) + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)*(t+t)", v0, T(1) / c0, v1, c1, result); + + exprtk_debug(("(v0 / c0) * (v1 + c1) --> (vocovoc) (v0 * (1 / c0)) * (v1 + c1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) * (v1 - c1) --> (vocovoc) (v0 * (1 / c0)) * (v1 - c1) + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_sub == o2)) + { + const bool synthesis_result = + synthesize_sf4ext_expression:: + template compile(expr_gen, "(t*t)*(t-t)", v0, T(1) / c0, v1, c1, result); + + exprtk_debug(("(v0 / c0) * (v1 - c1) --> (vocovoc) (v0 * (1 / c0)) * (v1 - c1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c) +/- (v1 * c) --> (covov) c * (v0 +/- v1) + else if ( + (std::equal_to()(c0,c1)) && + (details::e_mul == o0) && + (details::e_mul == o2) && + ( + (details::e_add == o1) || + (details::e_sub == o1) + ) + ) + { + std::string specfunc; + + switch (o1) + { + case details::e_add : specfunc = "t*(t+t)"; break; + case details::e_sub : specfunc = "t*(t-t)"; break; + default : return error_node(); + } + + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, specfunc, c0, v0, v1, result); + + exprtk_debug(("(v0 * c) +/- (v1 * c) --> (covov) c * (v0 +/- v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c) +/- (v1 / c) --> (vovoc) (v0 +/- v1) / c + else if ( + (std::equal_to()(c0,c1)) && + (details::e_div == o0) && + (details::e_div == o2) && + ( + (details::e_add == o1) || + (details::e_sub == o1) + ) + ) + { + std::string specfunc; + + switch (o1) + { + case details::e_add : specfunc = "(t+t)/t"; break; + case details::e_sub : specfunc = "(t-t)/t"; break; + default : return error_node(); + } + + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, specfunc, v0, v1, c0, result); + + exprtk_debug(("(v0 / c) +/- (v1 / c) --> (vovoc) (v0 +/- v1) / c\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, v1, c1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covovoc_expression0 + { + typedef typename covovoc_t::type0 node_type; + typedef typename covovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (c0 o0 v0) o1 (v1 o2 c1) + const details::cov_base_node* cov = static_cast*>(branch[0]); + const details::voc_base_node* voc = static_cast*>(branch[1]); + const Type c0 = cov->c(); + const Type& v0 = cov->v(); + const Type c1 = voc->c(); + const Type& v1 = voc->v(); + const details::operator_type o0 = cov->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = voc->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (c0 + v0) + (v1 + c1) --> (covov) (c0 + c1) + v0 + v1 + if ((details::e_add == o0) && (details::e_add == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)+t", (c0 + c1), v0, v1, result); + + exprtk_debug(("(c0 + v0) + (v1 + c1) --> (covov) (c0 + c1) + v0 + v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 + v0) - (v1 + c1) --> (covov) (c0 - c1) + v0 - v1 + else if ((details::e_add == o0) && (details::e_sub == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", (c0 - c1), v0, v1, result); + + exprtk_debug(("(c0 + v0) - (v1 + c1) --> (covov) (c0 - c1) + v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 - v0) - (v1 - c1) --> (covov) (c0 + c1) - v0 - v1 + else if ((details::e_sub == o0) && (details::e_sub == o1) && (details::e_sub == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t-(t+t)", (c0 + c1), v0, v1, result); + + exprtk_debug(("(c0 - v0) - (v1 - c1) --> (covov) (c0 + c1) - v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) * (v1 * c1) --> (covov) (c0 * c1) * v0 * v1 + else if ((details::e_mul == o0) && (details::e_mul == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", (c0 * c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) * (v1 * c1) --> (covov) (c0 * c1) * v0 * v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) / (v1 * c1) --> (covov) (c0 / c1) * (v0 / v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 / c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) / (v1 * c1) --> (covov) (c0 / c1) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) * (v1 / c1) --> (covov) (c0 / c1) * (v1 / v0) + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t*(t/t)", (c0 / c1), v1, v0, result); + + exprtk_debug(("(c0 / v0) * (v1 / c1) --> (covov) (c0 / c1) * (v1 / v0)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) / (v1 / c1) --> (covov) (c0 * c1) / (v0 * v1) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", (c0 * c1), v0, v1, result); + + exprtk_debug(("(c0 / v0) / (v1 / c1) --> (covov) (c0 * c1) / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 * v0) / (v1 / c1) --> (covov) (c0 * c1) * (v0 / v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 * c1), v0, v1, result); + + exprtk_debug(("(c0 * v0) / (v1 / c1) --> (covov) (c0 * c1) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c0 / v0) / (v1 * c1) --> (covov) (c0 / c1) / (v0 * v1) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "t/(t*t)", (c0 / c1), v0, v1, result); + + exprtk_debug(("(c0 / v0) / (v1 * c1) --> (covov) (c0 / c1) / (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (c * v0) +/- (v1 * c) --> (covov) c * (v0 +/- v1) + else if ( + (std::equal_to()(c0,c1)) && + (details::e_mul == o0) && + (details::e_mul == o2) && + ( + (details::e_add == o1) || + (details::e_sub == o1) + ) + ) + { + std::string specfunc; + + switch (o1) + { + case details::e_add : specfunc = "t*(t+t)"; break; + case details::e_sub : specfunc = "t*(t-t)"; break; + default : return error_node(); + } + + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, specfunc, c0, v0, v1, result); + + exprtk_debug(("(c * v0) +/- (v1 * c) --> (covov) c * (v0 +/- v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, v1, c1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vococov_expression0 + { + typedef typename vococov_t::type0 node_type; + typedef typename vococov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 c0) o1 (c1 o2 v1) + const details::voc_base_node* voc = static_cast*>(branch[0]); + const details::cov_base_node* cov = static_cast*>(branch[1]); + const Type c0 = voc->c(); + const Type& v0 = voc->v(); + const Type c1 = cov->c(); + const Type& v1 = cov->v(); + const details::operator_type o0 = voc->operation(); + const details::operator_type o1 = operation; + const details::operator_type o2 = cov->operation(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + if (expr_gen.parser_->settings_.strength_reduction_enabled()) + { + // (v0 + c0) + (c1 + v1) --> (covov) (c0 + c1) + v0 + v1 + if ((details::e_add == o0) && (details::e_add == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)+t", (c0 + c1), v0, v1, result); + + exprtk_debug(("(v0 + c0) + (c1 + v1) --> (covov) (c0 + c1) + v0 + v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 + c0) - (c1 + v1) --> (covov) (c0 - c1) + v0 - v1 + else if ((details::e_add == o0) && (details::e_sub == o1) && (details::e_add == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", (c0 - c1), v0, v1, result); + + exprtk_debug(("(v0 + c0) - (c1 + v1) --> (covov) (c0 - c1) + v0 - v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 - c0) - (c1 - v1) --> (vovoc) v0 + v1 - (c1 + c0) + else if ((details::e_sub == o0) && (details::e_sub == o1) && (details::e_sub == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t+t)-t", v0, v1, (c1 + c0), result); + + exprtk_debug(("(v0 - c0) - (c1 - v1) --> (vovoc) v0 + v1 - (c1 + c0)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) * (c1 * v1) --> (covov) (c0 * c1) * v0 * v1 + else if ((details::e_mul == o0) && (details::e_mul == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) * (c1 * v1) --> (covov) (c0 * c1) * v0 * v1\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) / (c1 * v1) --> (covov) (c0 / c1) * (v0 * v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c0 / c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) / (c1 * v1) --> (covov) (c0 / c1) * (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) * (c1 / v1) --> (covov) (c1 / c0) * (v0 / v1) + else if ((details::e_div == o0) && (details::e_mul == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", (c1 / c0), v0, v1, result); + + exprtk_debug(("(v0 / c0) * (c1 / v1) --> (covov) (c1 / c0) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c0) / (c1 / v1) --> (covov) (c0 / c1) * (v0 * v1) + else if ((details::e_mul == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", (c0 / c1), v0, v1, result); + + exprtk_debug(("(v0 * c0) / (c1 / v1) --> (covov) (c0 / c1) * (v0 * v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) / (c1 * v1) --> (covov) (1 / (c0 * c1)) * (v0 / v1) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_mul == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)/t", Type(1) / (c0 * c1), v0, v1, result); + + exprtk_debug(("(v0 / c0) / (c1 * v1) --> (covov) (1 / (c0 * c1)) * (v0 / v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 / c0) / (c1 / v1) --> (vovoc) (v0 * v1) * (1 / (c0 * c1)) + else if ((details::e_div == o0) && (details::e_div == o1) && (details::e_div == o2)) + { + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, "(t*t)*t", v0, v1, Type(1) / (c0 * c1), result); + + exprtk_debug(("(v0 / c0) / (c1 / v1) --> (vovoc) (v0 * v1) * (1 / (c0 * c1))\n")); + + return (synthesis_result) ? result : error_node(); + } + // (v0 * c) +/- (c * v1) --> (covov) c * (v0 +/- v1) + else if ( + (std::equal_to()(c0,c1)) && + (details::e_mul == o0) && + (details::e_mul == o2) && + ( + (details::e_add == o1) || (details::e_sub == o1) + ) + ) + { + std::string specfunc; + + switch (o1) + { + case details::e_add : specfunc = "t*(t+t)"; break; + case details::e_sub : specfunc = "t*(t-t)"; break; + default : return error_node(); + } + + const bool synthesis_result = + synthesize_sf3ext_expression:: + template compile(expr_gen, specfunc, c0, v0, v1, result); + + exprtk_debug(("(v0 * c) +/- (c * v1) --> (covov) c * (v0 +/- v1)\n")); + + return (synthesis_result) ? result : error_node(); + } + } + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, c1, v1, result); + + if (synthesis_result) + return result; + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = reinterpret_cast(0); + binary_functor_t f2 = reinterpret_cast(0); + + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + else if (!expr_gen.valid_operator(o1,f1)) + return error_node(); + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + else + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vovovov_expression1 + { + typedef typename vovovov_t::type1 node_type; + typedef typename vovovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (v1 o1 (v2 o2 v3)) + typedef typename synthesize_vovov_expression1::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vovov->t0(); + const Type& v2 = vovov->t1(); + const Type& v3 = vovov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovov->f0(); + binary_functor_t f2 = vovov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen,id(expr_gen, o0, o1, o2), v0, v1, v2, v3, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (v1 o1 (v2 o2 v3))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, v3, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vovovoc_expression1 + { + typedef typename vovovoc_t::type1 node_type; + typedef typename vovovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (v1 o1 (v2 o2 c)) + typedef typename synthesize_vovoc_expression1::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vovoc->t0(); + const Type& v2 = vovoc->t1(); + const Type c = vovoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovoc->f0(); + binary_functor_t f2 = vovoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, c, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (v1 o1 (v2 o2 c))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, c, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vovocov_expression1 + { + typedef typename vovocov_t::type1 node_type; + typedef typename vovocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (v1 o1 (c o2 v2)) + typedef typename synthesize_vocov_expression1::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vocov->t0(); + const Type c = vocov->t1(); + const Type& v2 = vocov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vocov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vocov->f0(); + binary_functor_t f2 = vocov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, c, v2, result); + + if (synthesis_result) + return result; + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (v1 o1 (c o2 v2))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vocovov_expression1 + { + typedef typename vocovov_t::type1 node_type; + typedef typename vocovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (c o1 (v1 o2 v2)) + typedef typename synthesize_covov_expression1::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c = covov->t0(); + const Type& v1 = covov->t1(); + const Type& v2 = covov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(covov->f0()); + const details::operator_type o2 = expr_gen.get_operator(covov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = covov->f0(); + binary_functor_t f2 = covov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (c o1 (v1 o2 v2))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_covovov_expression1 + { + typedef typename covovov_t::type1 node_type; + typedef typename covovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c o0 (v0 o1 (v1 o2 v2)) + typedef typename synthesize_vovov_expression1::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[1]); + const Type c = static_cast*>(branch[0])->value(); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovov->f0(); + binary_functor_t f2 = vovov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c, v0, v1, v2, result); + + if (synthesis_result) + return result; + if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c o0 (v0 o1 (v1 o2 v2))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_covocov_expression1 + { + typedef typename covocov_t::type1 node_type; + typedef typename covocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c0 o0 (v0 o1 (c1 o2 v1)) + typedef typename synthesize_vocov_expression1::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type& v0 = vocov->t0(); + const Type c1 = vocov->t1(); + const Type& v1 = vocov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vocov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vocov->f0(); + binary_functor_t f2 = vocov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c0 o0 (v0 o1 (c1 o2 v1))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vocovoc_expression1 + { + typedef typename vocovoc_t::type1 node_type; + typedef typename vocovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (c0 o1 (v1 o2 c2)) + typedef typename synthesize_covoc_expression1::node_type lcl_covoc_t; + + const lcl_covoc_t* covoc = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c0 = covoc->t0(); + const Type& v1 = covoc->t1(); + const Type c1 = covoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(covoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(covoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = covoc->f0(); + binary_functor_t f2 = covoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (c0 o1 (v1 o2 c2))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_covovoc_expression1 + { + typedef typename covovoc_t::type1 node_type; + typedef typename covovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c0 o0 (v0 o1 (v1 o2 c1)) + typedef typename synthesize_vovoc_expression1::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type& v0 = vovoc->t0(); + const Type& v1 = vovoc->t1(); + const Type c1 = vovoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovoc->f0(); + binary_functor_t f2 = vovoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c0 o0 (v0 o1 (v1 o2 c1))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vococov_expression1 + { + typedef typename vococov_t::type1 node_type; + typedef typename vococov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 (c0 o1 (c1 o2 v1)) + typedef typename synthesize_cocov_expression1::node_type lcl_cocov_t; + + const lcl_cocov_t* cocov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c0 = cocov->t0(); + const Type c1 = cocov->t1(); + const Type& v1 = cocov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(cocov->f0()); + const details::operator_type o2 = expr_gen.get_operator(cocov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = cocov->f0(); + binary_functor_t f2 = cocov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 (c0 o1 (c1 o2 v1))\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "(t" << expr_gen.to_str(o2) + << "t))"; + } + }; + + struct synthesize_vovovov_expression2 + { + typedef typename vovovov_t::type2 node_type; + typedef typename vovovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 ((v1 o1 v2) o2 v3) + typedef typename synthesize_vovov_expression0::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vovov->t0(); + const Type& v2 = vovov->t1(); + const Type& v3 = vovov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovov->f0(); + binary_functor_t f2 = vovov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, v3, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 ((v1 o1 v2) o2 v3)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, v3, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vovovoc_expression2 + { + typedef typename vovovoc_t::type2 node_type; + typedef typename vovovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 ((v1 o1 v2) o2 c) + typedef typename synthesize_vovoc_expression0::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vovoc->t0(); + const Type& v2 = vovoc->t1(); + const Type c = vovoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovoc->f0(); + binary_functor_t f2 = vovoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, c, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 ((v1 o1 v2) o2 c)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, c, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vovocov_expression2 + { + typedef typename vovocov_t::type2 node_type; + typedef typename vovocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 ((v1 o1 c) o2 v2) + typedef typename synthesize_vocov_expression0::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type& v1 = vocov->t0(); + const Type c = vocov->t1(); + const Type& v2 = vocov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vocov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vocov->f0(); + binary_functor_t f2 = vocov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, c, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 ((v1 o1 c) o2 v2)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vocovov_expression2 + { + typedef typename vocovov_t::type2 node_type; + typedef typename vocovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 ((c o1 v1) o2 v2) + typedef typename synthesize_covov_expression0::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c = covov->t0(); + const Type& v1 = covov->t1(); + const Type& v2 = covov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(covov->f0()); + const details::operator_type o2 = expr_gen.get_operator(covov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = covov->f0(); + binary_functor_t f2 = covov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 ((c o1 v1) o2 v2)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covovov_expression2 + { + typedef typename covovov_t::type2 node_type; + typedef typename covovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c o0 ((v1 o1 v2) o2 v3) + typedef typename synthesize_vovov_expression0::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[1]); + const Type c = static_cast*>(branch[0])->value(); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovov->f0(); + binary_functor_t f2 = vovov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c, v0, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c o0 ((v1 o1 v2) o2 v3)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covocov_expression2 + { + typedef typename covocov_t::type2 node_type; + typedef typename covocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c0 o0 ((v0 o1 c1) o2 v1) + typedef typename synthesize_vocov_expression0::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type& v0 = vocov->t0(); + const Type c1 = vocov->t1(); + const Type& v1 = vocov->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o2 = expr_gen.get_operator(vocov->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vocov->f0(); + binary_functor_t f2 = vocov->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c0 o0 ((v0 o1 c1) o2 v1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vocovoc_expression2 + { + typedef typename vocovoc_t::type2 node_type; + typedef typename vocovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // v0 o0 ((c0 o1 v1) o2 c1) + typedef typename synthesize_covoc_expression0::node_type lcl_covoc_t; + + const lcl_covoc_t* covoc = static_cast(branch[1]); + const Type& v0 = static_cast*>(branch[0])->ref(); + const Type c0 = covoc->t0(); + const Type& v1 = covoc->t1(); + const Type c1 = covoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(covoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(covoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = covoc->f0(); + binary_functor_t f2 = covoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("v0 o0 ((c0 o1 v1) o2 c1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_covovoc_expression2 + { + typedef typename covovoc_t::type2 node_type; + typedef typename covovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // c0 o0 ((v0 o1 v1) o2 c1) + typedef typename synthesize_vovoc_expression0::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[1]); + const Type c0 = static_cast*>(branch[0])->value(); + const Type& v0 = vovoc->t0(); + const Type& v1 = vovoc->t1(); + const Type c1 = vovoc->t2(); + const details::operator_type o0 = operation; + const details::operator_type o1 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o2 = expr_gen.get_operator(vovoc->f1()); + + binary_functor_t f0 = reinterpret_cast(0); + binary_functor_t f1 = vovoc->f0(); + binary_functor_t f2 = vovoc->f1(); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o0,f0)) + return error_node(); + + exprtk_debug(("c0 o0 ((v0 o1 v1) o2 c1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "t" << expr_gen.to_str(o0) + << "((t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t)"; + } + }; + + struct synthesize_vococov_expression2 + { + typedef typename vococov_t::type2 node_type; + static inline expression_node_ptr process(expression_generator&, + const details::operator_type&, + expression_node_ptr (&)[2]) + { + // v0 o0 ((c0 o1 c1) o2 v1) - Not possible + exprtk_debug(("v0 o0 ((c0 o1 c1) o2 v1) - Not possible\n")); + return error_node(); + } + + static inline std::string id(expression_generator&, + const details::operator_type, + const details::operator_type, + const details::operator_type) + { + return "INVALID"; + } + }; + + struct synthesize_vovovov_expression3 + { + typedef typename vovovov_t::type3 node_type; + typedef typename vovovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 v1) o1 v2) o2 v3 + typedef typename synthesize_vovov_expression0::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[0]); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const Type& v3 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovov->f0(); + binary_functor_t f1 = vovov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, v3, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 v1) o1 v2) o2 v3\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, v3, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vovovoc_expression3 + { + typedef typename vovovoc_t::type3 node_type; + typedef typename vovovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 v1) o1 v2) o2 c + typedef typename synthesize_vovov_expression0::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[0]); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const Type c = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovov->f0(); + binary_functor_t f1 = vovov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, c, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 v1) o1 v2) o2 c\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, c, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vovocov_expression3 + { + typedef typename vovocov_t::type3 node_type; + typedef typename vovocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 v1) o1 c) o2 v2 + typedef typename synthesize_vovoc_expression0::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[0]); + const Type& v0 = vovoc->t0(); + const Type& v1 = vovoc->t1(); + const Type c = vovoc->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovoc->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovoc->f0(); + binary_functor_t f1 = vovoc->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, c, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 v1) o1 c) o2 v2\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vocovov_expression3 + { + typedef typename vocovov_t::type3 node_type; + typedef typename vocovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 c) o1 v1) o2 v2 + typedef typename synthesize_vocov_expression0::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[0]); + const Type& v0 = vocov->t0(); + const Type c = vocov->t1(); + const Type& v1 = vocov->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vocov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vocov->f0(); + binary_functor_t f1 = vocov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 c) o1 v1) o2 v2\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covovov_expression3 + { + typedef typename covovov_t::type3 node_type; + typedef typename covovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c o0 v0) o1 v1) o2 v2 + typedef typename synthesize_covov_expression0::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[0]); + const Type c = covov->t0(); + const Type& v0 = covov->t1(); + const Type& v1 = covov->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(covov->f0()); + const details::operator_type o1 = expr_gen.get_operator(covov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covov->f0(); + binary_functor_t f1 = covov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c, v0, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c o0 v0) o1 v1) o2 v2\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covocov_expression3 + { + typedef typename covocov_t::type3 node_type; + typedef typename covocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c0 o0 v0) o1 c1) o2 v1 + typedef typename synthesize_covoc_expression0::node_type lcl_covoc_t; + + const lcl_covoc_t* covoc = static_cast(branch[0]); + const Type c0 = covoc->t0(); + const Type& v0 = covoc->t1(); + const Type c1 = covoc->t2(); + const Type& v1 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(covoc->f0()); + const details::operator_type o1 = expr_gen.get_operator(covoc->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covoc->f0(); + binary_functor_t f1 = covoc->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c0 o0 v0) o1 c1) o2 v1\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vocovoc_expression3 + { + typedef typename vocovoc_t::type3 node_type; + typedef typename vocovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 c0) o1 v1) o2 c1 + typedef typename synthesize_vocov_expression0::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[0]); + const Type& v0 = vocov->t0(); + const Type c0 = vocov->t1(); + const Type& v1 = vocov->t2(); + const Type c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vocov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vocov->f0(); + binary_functor_t f1 = vocov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 c0) o1 v1) o2 c1\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covovoc_expression3 + { + typedef typename covovoc_t::type3 node_type; + typedef typename covovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c0 o0 v0) o1 v1) o2 c1 + typedef typename synthesize_covov_expression0::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[0]); + const Type c0 = covov->t0(); + const Type& v0 = covov->t1(); + const Type& v1 = covov->t2(); + const Type c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(covov->f0()); + const details::operator_type o1 = expr_gen.get_operator(covov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covov->f0(); + binary_functor_t f1 = covov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c0 o0 v0) o1 v1) o2 c1\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vococov_expression3 + { + typedef typename vococov_t::type3 node_type; + typedef typename vococov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 c0) o1 c1) o2 v1 + typedef typename synthesize_vococ_expression0::node_type lcl_vococ_t; + + const lcl_vococ_t* vococ = static_cast(branch[0]); + const Type& v0 = vococ->t0(); + const Type c0 = vococ->t1(); + const Type c1 = vococ->t2(); + const Type& v1 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vococ->f0()); + const details::operator_type o1 = expr_gen.get_operator(vococ->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vococ->f0(); + binary_functor_t f1 = vococ->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 c0) o1 c1) o2 v1\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "((t" << expr_gen.to_str(o0) + << "t)" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vovovov_expression4 + { + typedef typename vovovov_t::type4 node_type; + typedef typename vovovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // (v0 o0 (v1 o1 v2)) o2 v3 + typedef typename synthesize_vovov_expression1::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[0]); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const Type& v3 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovov->f0(); + binary_functor_t f1 = vovov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, v3, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("(v0 o0 (v1 o1 v2)) o2 v3\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, v3, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vovovoc_expression4 + { + typedef typename vovovoc_t::type4 node_type; + typedef typename vovovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 (v1 o1 v2)) o2 c) + typedef typename synthesize_vovov_expression1::node_type lcl_vovov_t; + + const lcl_vovov_t* vovov = static_cast(branch[0]); + const Type& v0 = vovov->t0(); + const Type& v1 = vovov->t1(); + const Type& v2 = vovov->t2(); + const Type c = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(vovov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovov->f0(); + binary_functor_t f1 = vovov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, v2, c, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 (v1 o1 v2)) o2 c)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, v2, c, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vovocov_expression4 + { + typedef typename vovocov_t::type4 node_type; + typedef typename vovocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 (v1 o1 c)) o2 v1) + typedef typename synthesize_vovoc_expression1::node_type lcl_vovoc_t; + + const lcl_vovoc_t* vovoc = static_cast(branch[0]); + const Type& v0 = vovoc->t0(); + const Type& v1 = vovoc->t1(); + const Type c = vovoc->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vovoc->f0()); + const details::operator_type o1 = expr_gen.get_operator(vovoc->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vovoc->f0(); + binary_functor_t f1 = vovoc->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, v1, c, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 (v1 o1 c)) o2 v1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, v1, c, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vocovov_expression4 + { + typedef typename vocovov_t::type4 node_type; + typedef typename vocovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 (c o1 v1)) o2 v2) + typedef typename synthesize_vocov_expression1::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[0]); + const Type& v0 = vocov->t0(); + const Type c = vocov->t1(); + const Type& v1 = vocov->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vocov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vocov->f0(); + binary_functor_t f1 = vocov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 (c o1 v1)) o2 v2)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covovov_expression4 + { + typedef typename covovov_t::type4 node_type; + typedef typename covovov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c o0 (v0 o1 v1)) o2 v2) + typedef typename synthesize_covov_expression1::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[0]); + const Type c = covov->t0(); + const Type& v0 = covov->t1(); + const Type& v1 = covov->t2(); + const Type& v2 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(covov->f0()); + const details::operator_type o1 = expr_gen.get_operator(covov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covov->f0(); + binary_functor_t f1 = covov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c, v0, v1, v2, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c o0 (v0 o1 v1)) o2 v2)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c, v0, v1, v2, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covocov_expression4 + { + typedef typename covocov_t::type4 node_type; + typedef typename covocov_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c0 o0 (v0 o1 c1)) o2 v1) + typedef typename synthesize_covoc_expression1::node_type lcl_covoc_t; + + const lcl_covoc_t* covoc = static_cast(branch[0]); + const Type c0 = covoc->t0(); + const Type& v0 = covoc->t1(); + const Type c1 = covoc->t2(); + const Type& v1 = static_cast*>(branch[1])->ref(); + const details::operator_type o0 = expr_gen.get_operator(covoc->f0()); + const details::operator_type o1 = expr_gen.get_operator(covoc->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covoc->f0(); + binary_functor_t f1 = covoc->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, c1, v1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c0 o0 (v0 o1 c1)) o2 v1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, c1, v1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vocovoc_expression4 + { + typedef typename vocovoc_t::type4 node_type; + typedef typename vocovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((v0 o0 (c0 o1 v1)) o2 c1) + typedef typename synthesize_vocov_expression1::node_type lcl_vocov_t; + + const lcl_vocov_t* vocov = static_cast(branch[0]); + const Type& v0 = vocov->t0(); + const Type c0 = vocov->t1(); + const Type& v1 = vocov->t2(); + const Type c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(vocov->f0()); + const details::operator_type o1 = expr_gen.get_operator(vocov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = vocov->f0(); + binary_functor_t f1 = vocov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), v0, c0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((v0 o0 (c0 o1 v1)) o2 c1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), v0, c0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_covovoc_expression4 + { + typedef typename covovoc_t::type4 node_type; + typedef typename covovoc_t::sf4_type sf4_type; + typedef typename node_type::T0 T0; + typedef typename node_type::T1 T1; + typedef typename node_type::T2 T2; + typedef typename node_type::T3 T3; + + static inline expression_node_ptr process(expression_generator& expr_gen, + const details::operator_type& operation, + expression_node_ptr (&branch)[2]) + { + // ((c0 o0 (v0 o1 v1)) o2 c1) + typedef typename synthesize_covov_expression1::node_type lcl_covov_t; + + const lcl_covov_t* covov = static_cast(branch[0]); + const Type c0 = covov->t0(); + const Type& v0 = covov->t1(); + const Type& v1 = covov->t2(); + const Type c1 = static_cast*>(branch[1])->value(); + const details::operator_type o0 = expr_gen.get_operator(covov->f0()); + const details::operator_type o1 = expr_gen.get_operator(covov->f1()); + const details::operator_type o2 = operation; + + binary_functor_t f0 = covov->f0(); + binary_functor_t f1 = covov->f1(); + binary_functor_t f2 = reinterpret_cast(0); + + details::free_node(*(expr_gen.node_allocator_),branch[0]); + details::free_node(*(expr_gen.node_allocator_),branch[1]); + + expression_node_ptr result = error_node(); + + const bool synthesis_result = + synthesize_sf4ext_expression::template compile + (expr_gen, id(expr_gen, o0, o1, o2), c0, v0, v1, c1, result); + + if (synthesis_result) + return result; + else if (!expr_gen.valid_operator(o2,f2)) + return error_node(); + + exprtk_debug(("((c0 o0 (v0 o1 v1)) o2 c1)\n")); + + return node_type::allocate(*(expr_gen.node_allocator_), c0, v0, v1, c1, f0, f1, f2); + } + + static inline std::string id(expression_generator& expr_gen, + const details::operator_type o0, + const details::operator_type o1, + const details::operator_type o2) + { + return details::build_string() + << "(t" << expr_gen.to_str(o0) + << "(t" << expr_gen.to_str(o1) + << "t)" << expr_gen.to_str(o2) + << "t"; + } + }; + + struct synthesize_vococov_expression4 + { + typedef typename vococov_t::type4 node_type; + static inline expression_node_ptr process(expression_generator&, + const details::operator_type&, + expression_node_ptr (&)[2]) + { + // ((v0 o0 (c0 o1 c1)) o2 v1) - Not possible + exprtk_debug(("((v0 o0 (c0 o1 c1)) o2 v1) - Not possible\n")); + return error_node(); + } + + static inline std::string id(expression_generator&, + const details::operator_type, + const details::operator_type, + const details::operator_type) + { + return "INVALID"; + } + }; + #endif + + inline expression_node_ptr synthesize_uvouv_expression(const details::operator_type& operation, expression_node_ptr (&branch)[2]) + { + // Definition: uv o uv + details::operator_type o0 = static_cast*>(branch[0])->operation(); + details::operator_type o1 = static_cast*>(branch[1])->operation(); + const Type& v0 = static_cast*>(branch[0])->v(); + const Type& v1 = static_cast*>(branch[1])->v(); + unary_functor_t u0 = reinterpret_cast (0); + unary_functor_t u1 = reinterpret_cast (0); + binary_functor_t f = reinterpret_cast(0); + + if (!valid_operator(o0,u0)) + return error_node(); + else if (!valid_operator(o1,u1)) + return error_node(); + else if (!valid_operator(operation,f)) + return error_node(); + + expression_node_ptr result = error_node(); + + if ( + (details::e_neg == o0) && + (details::e_neg == o1) + ) + { + switch (operation) + { + // (-v0 + -v1) --> -(v0 + v1) + case details::e_add : result = (*this)(details::e_neg, + node_allocator_-> + allocate_rr > >(v0, v1)); + exprtk_debug(("(-v0 + -v1) --> -(v0 + v1)\n")); + break; + + // (-v0 - -v1) --> (v1 - v0) + case details::e_sub : result = node_allocator_-> + allocate_rr > >(v1, v0); + exprtk_debug(("(-v0 - -v1) --> (v1 - v0)\n")); + break; + + // (-v0 * -v1) --> (v0 * v1) + case details::e_mul : result = node_allocator_-> + allocate_rr > >(v0, v1); + exprtk_debug(("(-v0 * -v1) --> (v0 * v1)\n")); + break; + + // (-v0 / -v1) --> (v0 / v1) + case details::e_div : result = node_allocator_-> + allocate_rr > >(v0, v1); + exprtk_debug(("(-v0 / -v1) --> (v0 / v1)\n")); + break; + + default : break; + } + } + + if (0 == result) + { + result = node_allocator_-> + allocate_rrrrr >(v0, v1, u0, u1, f); + } + + details::free_all_nodes(*node_allocator_,branch); + return result; + } + + #undef basic_opr_switch_statements + #undef extended_opr_switch_statements + #undef unary_opr_switch_statements + + #ifndef exprtk_disable_string_capabilities + + #define string_opr_switch_statements \ + case_stmt(details::e_lt , details::lt_op ) \ + case_stmt(details::e_lte , details::lte_op ) \ + case_stmt(details::e_gt , details::gt_op ) \ + case_stmt(details::e_gte , details::gte_op ) \ + case_stmt(details::e_eq , details::eq_op ) \ + case_stmt(details::e_ne , details::ne_op ) \ + case_stmt(details::e_in , details::in_op ) \ + case_stmt(details::e_like , details::like_op ) \ + case_stmt(details::e_ilike , details::ilike_op) \ + + template + inline expression_node_ptr synthesize_str_xrox_expression_impl(const details::operator_type& opr, + T0 s0, T1 s1, + range_t rp0) + { + switch (opr) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate_ttt >,T0,T1> \ + (s0, s1, rp0); \ + + string_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + template + inline expression_node_ptr synthesize_str_xoxr_expression_impl(const details::operator_type& opr, + T0 s0, T1 s1, + range_t rp1) + { + switch (opr) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate_ttt >,T0,T1> \ + (s0, s1, rp1); \ + + string_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + template + inline expression_node_ptr synthesize_str_xroxr_expression_impl(const details::operator_type& opr, + T0 s0, T1 s1, + range_t rp0, range_t rp1) + { + switch (opr) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate_tttt >,T0,T1> \ + (s0, s1, rp0, rp1); \ + + string_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + template + inline expression_node_ptr synthesize_sos_expression_impl(const details::operator_type& opr, T0 s0, T1 s1) + { + switch (opr) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate_tt >,T0,T1>(s0, s1); \ + + string_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + inline expression_node_ptr synthesize_sos_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast*>(branch[0])->ref(); + std::string& s1 = static_cast*>(branch[1])->ref(); + + return synthesize_sos_expression_impl(opr, s0, s1); + } + + inline expression_node_ptr synthesize_sros_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast*>(branch[0])->ref (); + std::string& s1 = static_cast*> (branch[1])->ref (); + range_t rp0 = static_cast*>(branch[0])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + + return synthesize_str_xrox_expression_impl(opr, s0, s1, rp0); + } + + inline expression_node_ptr synthesize_sosr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast*> (branch[0])->ref (); + std::string& s1 = static_cast*>(branch[1])->ref (); + range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xoxr_expression_impl(opr, s0, s1, rp1); + } + + inline expression_node_ptr synthesize_socsr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast*> (branch[0])->ref (); + std::string s1 = static_cast*>(branch[1])->str (); + range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xoxr_expression_impl(opr, s0, s1, rp1); + } + + inline expression_node_ptr synthesize_srosr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast*>(branch[0])->ref (); + std::string& s1 = static_cast*>(branch[1])->ref (); + range_t rp0 = static_cast*>(branch[0])->range(); + range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xroxr_expression_impl(opr, s0, s1, rp0, rp1); + } + + inline expression_node_ptr synthesize_socs_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast< details::stringvar_node*>(branch[0])->ref(); + std::string s1 = static_cast*>(branch[1])->str(); + + details::free_node(*node_allocator_,branch[1]); + + return synthesize_sos_expression_impl(opr, s0, s1); + } + + inline expression_node_ptr synthesize_csos_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string s0 = static_cast*>(branch[0])->str(); + std::string& s1 = static_cast* >(branch[1])->ref(); + + details::free_node(*node_allocator_,branch[0]); + + return synthesize_sos_expression_impl(opr, s0, s1); + } + + inline expression_node_ptr synthesize_csosr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string s0 = static_cast*>(branch[0])->str (); + std::string& s1 = static_cast* >(branch[1])->ref (); + range_t rp1 = static_cast* >(branch[1])->range(); + + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xoxr_expression_impl(opr, s0, s1, rp1); + } + + inline expression_node_ptr synthesize_srocs_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast* >(branch[0])->ref (); + std::string s1 = static_cast*>(branch[1])->str (); + range_t rp0 = static_cast* >(branch[0])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xrox_expression_impl(opr, s0, s1, rp0); + } + + inline expression_node_ptr synthesize_srocsr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string& s0 = static_cast* >(branch[0])->ref (); + std::string s1 = static_cast*>(branch[1])->str (); + range_t rp0 = static_cast* >(branch[0])->range(); + range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*> (branch[0])->range_ref().clear(); + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xroxr_expression_impl(opr, s0, s1, rp0, rp1); + } + + inline expression_node_ptr synthesize_csocs_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + const std::string s0 = static_cast*>(branch[0])->str(); + const std::string s1 = static_cast*>(branch[1])->str(); + + expression_node_ptr result = error_node(); + + if (details::e_add == opr) + result = node_allocator_->allocate_c >(s0 + s1); + else if (details::e_in == opr) + result = node_allocator_->allocate_c >(details::in_op ::process(s0,s1)); + else if (details::e_like == opr) + result = node_allocator_->allocate_c >(details::like_op ::process(s0,s1)); + else if (details::e_ilike == opr) + result = node_allocator_->allocate_c >(details::ilike_op::process(s0,s1)); + else + { + expression_node_ptr temp = synthesize_sos_expression_impl(opr, s0, s1); + + const Type v = temp->value(); + + details::free_node(*node_allocator_,temp); + + result = node_allocator_->allocate(v); + } + + details::free_all_nodes(*node_allocator_,branch); + + return result; + } + + inline expression_node_ptr synthesize_csocsr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + const std::string s0 = static_cast* >(branch[0])->str (); + std::string s1 = static_cast*>(branch[1])->str (); + range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*>(branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xoxr_expression_impl(opr, s0, s1, rp1); + } + + inline expression_node_ptr synthesize_csros_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + std::string s0 = static_cast*>(branch[0])->str (); + std::string& s1 = static_cast* >(branch[1])->ref (); + range_t rp0 = static_cast*>(branch[0])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + + return synthesize_str_xrox_expression_impl(opr, s0, s1, rp0); + } + + inline expression_node_ptr synthesize_csrosr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + const std::string s0 = static_cast*>(branch[0])->str (); + std::string& s1 = static_cast* >(branch[1])->ref (); + const range_t rp0 = static_cast*>(branch[0])->range(); + const range_t rp1 = static_cast* >(branch[1])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + static_cast*> (branch[1])->range_ref().clear(); + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return synthesize_str_xroxr_expression_impl(opr, s0, s1, rp0, rp1); + } + + inline expression_node_ptr synthesize_csrocs_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + const std::string s0 = static_cast*>(branch[0])->str (); + const std::string s1 = static_cast* >(branch[1])->str (); + const range_t rp0 = static_cast*>(branch[0])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + + details::free_all_nodes(*node_allocator_,branch); + + return synthesize_str_xrox_expression_impl(opr, s0, s1, rp0); + } + + inline expression_node_ptr synthesize_csrocsr_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + const std::string s0 = static_cast*>(branch[0])->str (); + const std::string s1 = static_cast*>(branch[1])->str (); + const range_t rp0 = static_cast*>(branch[0])->range(); + const range_t rp1 = static_cast*>(branch[1])->range(); + + static_cast*>(branch[0])->range_ref().clear(); + static_cast*>(branch[1])->range_ref().clear(); + + details::free_all_nodes(*node_allocator_,branch); + + return synthesize_str_xroxr_expression_impl(opr, s0, s1, rp0, rp1); + } + + inline expression_node_ptr synthesize_strogen_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + switch (opr) + { + #define case_stmt(op0, op1) \ + case op0 : return node_allocator_-> \ + allocate_ttt > > \ + (opr, branch[0], branch[1]); \ + + string_opr_switch_statements + #undef case_stmt + default : return error_node(); + } + } + + #undef string_opr_switch_statements + #endif + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr synthesize_string_expression(const details::operator_type& opr, expression_node_ptr (&branch)[2]) + { + if ((0 == branch[0]) || (0 == branch[1])) + { + details::free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + + const bool b0_is_s = details::is_string_node (branch[0]); + const bool b0_is_cs = details::is_const_string_node (branch[0]); + const bool b0_is_sr = details::is_string_range_node (branch[0]); + const bool b0_is_csr = details::is_const_string_range_node(branch[0]); + + const bool b1_is_s = details::is_string_node (branch[1]); + const bool b1_is_cs = details::is_const_string_node (branch[1]); + const bool b1_is_sr = details::is_string_range_node (branch[1]); + const bool b1_is_csr = details::is_const_string_range_node(branch[1]); + + const bool b0_is_gen = details::is_string_assignment_node (branch[0]) || + details::is_genricstring_range_node(branch[0]) || + details::is_string_concat_node (branch[0]) || + details::is_string_function_node (branch[0]) || + details::is_string_condition_node (branch[0]) || + details::is_string_ccondition_node (branch[0]) || + details::is_string_vararg_node (branch[0]) ; + + const bool b1_is_gen = details::is_string_assignment_node (branch[1]) || + details::is_genricstring_range_node(branch[1]) || + details::is_string_concat_node (branch[1]) || + details::is_string_function_node (branch[1]) || + details::is_string_condition_node (branch[1]) || + details::is_string_ccondition_node (branch[1]) || + details::is_string_vararg_node (branch[1]) ; + + if (details::e_add == opr) + { + if (!b0_is_cs || !b1_is_cs) + { + return synthesize_expression(opr,branch); + } + } + + if (b0_is_gen || b1_is_gen) + { + return synthesize_strogen_expression(opr,branch); + } + else if (b0_is_s) + { + if (b1_is_s ) return synthesize_sos_expression (opr,branch); + else if (b1_is_cs ) return synthesize_socs_expression (opr,branch); + else if (b1_is_sr ) return synthesize_sosr_expression (opr,branch); + else if (b1_is_csr) return synthesize_socsr_expression (opr,branch); + } + else if (b0_is_cs) + { + if (b1_is_s ) return synthesize_csos_expression (opr,branch); + else if (b1_is_cs ) return synthesize_csocs_expression (opr,branch); + else if (b1_is_sr ) return synthesize_csosr_expression (opr,branch); + else if (b1_is_csr) return synthesize_csocsr_expression(opr,branch); + } + else if (b0_is_sr) + { + if (b1_is_s ) return synthesize_sros_expression (opr,branch); + else if (b1_is_sr ) return synthesize_srosr_expression (opr,branch); + else if (b1_is_cs ) return synthesize_srocs_expression (opr,branch); + else if (b1_is_csr) return synthesize_srocsr_expression(opr,branch); + } + else if (b0_is_csr) + { + if (b1_is_s ) return synthesize_csros_expression (opr,branch); + else if (b1_is_sr ) return synthesize_csrosr_expression (opr,branch); + else if (b1_is_cs ) return synthesize_csrocs_expression (opr,branch); + else if (b1_is_csr) return synthesize_csrocsr_expression(opr,branch); + } + + return error_node(); + } + #else + inline expression_node_ptr synthesize_string_expression(const details::operator_type&, expression_node_ptr (&branch)[2]) + { + details::free_all_nodes(*node_allocator_,branch); + return error_node(); + } + #endif + + #ifndef exprtk_disable_string_capabilities + inline expression_node_ptr synthesize_string_expression(const details::operator_type& opr, expression_node_ptr (&branch)[3]) + { + if (details::e_inrange != opr) + return error_node(); + else if ((0 == branch[0]) || (0 == branch[1]) || (0 == branch[2])) + { + details::free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + else if ( + details::is_const_string_node(branch[0]) && + details::is_const_string_node(branch[1]) && + details::is_const_string_node(branch[2]) + ) + { + const std::string s0 = static_cast*>(branch[0])->str(); + const std::string s1 = static_cast*>(branch[1])->str(); + const std::string s2 = static_cast*>(branch[2])->str(); + + const Type v = (((s0 <= s1) && (s1 <= s2)) ? Type(1) : Type(0)); + + details::free_all_nodes(*node_allocator_,branch); + + return node_allocator_->allocate_c >(v); + } + else if ( + details::is_string_node(branch[0]) && + details::is_string_node(branch[1]) && + details::is_string_node(branch[2]) + ) + { + std::string& s0 = static_cast*>(branch[0])->ref(); + std::string& s1 = static_cast*>(branch[1])->ref(); + std::string& s2 = static_cast*>(branch[2])->ref(); + + typedef typename details::sosos_node > inrange_t; + + return node_allocator_->allocate_type(s0, s1, s2); + } + else if ( + details::is_const_string_node(branch[0]) && + details::is_string_node(branch[1]) && + details::is_const_string_node(branch[2]) + ) + { + std::string s0 = static_cast*>(branch[0])->str(); + std::string& s1 = static_cast* >(branch[1])->ref(); + std::string s2 = static_cast*>(branch[2])->str(); + + typedef typename details::sosos_node > inrange_t; + + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[2]); + + return node_allocator_->allocate_type(s0, s1, s2); + } + else if ( + details::is_string_node(branch[0]) && + details::is_const_string_node(branch[1]) && + details::is_string_node(branch[2]) + ) + { + std::string& s0 = static_cast* >(branch[0])->ref(); + std::string s1 = static_cast*>(branch[1])->str(); + std::string& s2 = static_cast* >(branch[2])->ref(); + + typedef typename details::sosos_node > inrange_t; + + details::free_node(*node_allocator_,branch[1]); + + return node_allocator_->allocate_type(s0, s1, s2); + } + else if ( + details::is_string_node(branch[0]) && + details::is_string_node(branch[1]) && + details::is_const_string_node(branch[2]) + ) + { + std::string& s0 = static_cast* >(branch[0])->ref(); + std::string& s1 = static_cast* >(branch[1])->ref(); + std::string s2 = static_cast*>(branch[2])->str(); + + typedef typename details::sosos_node > inrange_t; + + details::free_node(*node_allocator_,branch[2]); + + return node_allocator_->allocate_type(s0, s1, s2); + } + else if ( + details::is_const_string_node(branch[0]) && + details:: is_string_node(branch[1]) && + details:: is_string_node(branch[2]) + ) + { + std::string s0 = static_cast*>(branch[0])->str(); + std::string& s1 = static_cast* >(branch[1])->ref(); + std::string& s2 = static_cast* >(branch[2])->ref(); + + typedef typename details::sosos_node > inrange_t; + + details::free_node(*node_allocator_,branch[0]); + + return node_allocator_->allocate_type(s0, s1, s2); + } + else + return error_node(); + } + #else + inline expression_node_ptr synthesize_string_expression(const details::operator_type&, expression_node_ptr (&branch)[3]) + { + details::free_all_nodes(*node_allocator_,branch); + return error_node(); + } + #endif + + inline expression_node_ptr synthesize_null_expression(const details::operator_type& operation, expression_node_ptr (&branch)[2]) + { + /* + Note: The following are the type promotion rules + that relate to operations that include 'null': + 0. null ==/!= null --> true false + 1. null operation null --> null + 2. x ==/!= null --> true/false + 3. null ==/!= x --> true/false + 4. x operation null --> x + 5. null operation x --> x + */ + + typedef typename details::null_eq_node nulleq_node_t; + + const bool b0_null = details::is_null_node(branch[0]); + const bool b1_null = details::is_null_node(branch[1]); + + if (b0_null && b1_null) + { + expression_node_ptr result = error_node(); + + if (details::e_eq == operation) + result = node_allocator_->allocate_c(T(1)); + else if (details::e_ne == operation) + result = node_allocator_->allocate_c(T(0)); + + if (result) + { + details::free_node(*node_allocator_,branch[0]); + details::free_node(*node_allocator_,branch[1]); + + return result; + } + + details::free_node(*node_allocator_,branch[1]); + + return branch[0]; + } + else if (details::e_eq == operation) + { + expression_node_ptr result = node_allocator_-> + allocate_rc(branch[b0_null ? 0 : 1],true); + + details::free_node(*node_allocator_,branch[b0_null ? 1 : 0]); + + return result; + } + else if (details::e_ne == operation) + { + expression_node_ptr result = node_allocator_-> + allocate_rc(branch[b0_null ? 0 : 1],false); + + details::free_node(*node_allocator_,branch[b0_null ? 1 : 0]); + + return result; + } + else if (b0_null) + { + details::free_node(*node_allocator_,branch[0]); + branch[0] = branch[1]; + branch[1] = error_node(); + } + else if (b1_null) + { + details::free_node(*node_allocator_,branch[1]); + branch[1] = error_node(); + } + + if ( + (details::e_add == operation) || (details::e_sub == operation) || + (details::e_mul == operation) || (details::e_div == operation) || + (details::e_mod == operation) || (details::e_pow == operation) + ) + { + return branch[0]; + } + + details::free_node(*node_allocator_, branch[0]); + + if ( + (details::e_lt == operation) || (details::e_lte == operation) || + (details::e_gt == operation) || (details::e_gte == operation) || + (details::e_and == operation) || (details::e_nand == operation) || + (details::e_or == operation) || (details::e_nor == operation) || + (details::e_xor == operation) || (details::e_xnor == operation) || + (details::e_in == operation) || (details::e_like == operation) || + (details::e_ilike == operation) + ) + { + return node_allocator_->allocate_c(T(0)); + } + + return node_allocator_->allocate >(); + } + + template + inline expression_node_ptr synthesize_expression(const details::operator_type& operation, expression_node_ptr (&branch)[N]) + { + if ( + (details::e_in == operation) || + (details::e_like == operation) || + (details::e_ilike == operation) + ) + { + free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + else if (!details::all_nodes_valid(branch)) + { + free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + else if ((details::e_default != operation)) + { + // Attempt simple constant folding optimisation. + expression_node_ptr expression_point = node_allocator_->allocate(operation,branch); + + if (is_constant_foldable(branch)) + { + const Type v = expression_point->value(); + details::free_node(*node_allocator_,expression_point); + + return node_allocator_->allocate(v); + } + + if (expression_point && expression_point->valid()) + { + return expression_point; + } + + parser_->set_error(parser_error::make_error( + parser_error::e_parser, + token_t(), + "ERR281 - Failed to synthesize node: NodeType", + exprtk_error_location)); + + details::free_node(*node_allocator_, expression_point); + } + + return error_node(); + } + + template + inline expression_node_ptr synthesize_expression(F* f, expression_node_ptr (&branch)[N]) + { + if (!details::all_nodes_valid(branch)) + { + free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + + typedef typename details::function_N_node function_N_node_t; + + // Attempt simple constant folding optimisation. + + expression_node_ptr expression_point = node_allocator_->allocate(f); + function_N_node_t* func_node_ptr = dynamic_cast(expression_point); + + if (0 == func_node_ptr) + { + free_all_nodes(*node_allocator_,branch); + + return error_node(); + } + else + func_node_ptr->init_branches(branch); + + if (is_constant_foldable(branch) && !f->has_side_effects()) + { + Type v = expression_point->value(); + details::free_node(*node_allocator_,expression_point); + + return node_allocator_->allocate(v); + } + + parser_->state_.activate_side_effect("synthesize_expression(function)"); + + return expression_point; + } + + bool strength_reduction_enabled_; + details::node_allocator* node_allocator_; + synthesize_map_t synthesize_map_; + unary_op_map_t* unary_op_map_; + binary_op_map_t* binary_op_map_; + inv_binary_op_map_t* inv_binary_op_map_; + sf3_map_t* sf3_map_; + sf4_map_t* sf4_map_; + parser_t* parser_; + }; // class expression_generator + + inline void set_error(const parser_error::type& error_type) + { + error_list_.push_back(error_type); + } + + inline void remove_last_error() + { + if (!error_list_.empty()) + { + error_list_.pop_back(); + } + } + + inline void set_synthesis_error(const std::string& synthesis_error_message) + { + if (synthesis_error_.empty()) + { + synthesis_error_ = synthesis_error_message; + } + } + + inline void register_local_vars(expression& e) + { + for (std::size_t i = 0; i < sem_.size(); ++i) + { + scope_element& se = sem_.get_element(i); + + exprtk_debug(("register_local_vars() - se[%s]\n", se.name.c_str())); + + if ( + (scope_element::e_variable == se.type) || + (scope_element::e_literal == se.type) || + (scope_element::e_vecelem == se.type) + ) + { + if (se.var_node) + { + e.register_local_var(se.var_node); + } + + if (se.data) + { + e.register_local_data(se.data, 1, 0); + } + } + else if (scope_element::e_vector == se.type) + { + if (se.vec_node) + { + e.register_local_var(se.vec_node); + } + + if (se.data) + { + e.register_local_data(se.data, se.size, 1); + } + } + #ifndef exprtk_disable_string_capabilities + else if (scope_element::e_string == se.type) + { + if (se.str_node) + { + e.register_local_var(se.str_node); + } + + if (se.data) + { + e.register_local_data(se.data, se.size, 2); + } + } + #endif + + se.var_node = 0; + se.vec_node = 0; + #ifndef exprtk_disable_string_capabilities + se.str_node = 0; + #endif + se.data = 0; + se.ref_count = 0; + se.active = false; + } + } + + inline void register_return_results(expression& e) + { + e.register_return_results(results_context_); + results_context_ = 0; + } + + inline void load_unary_operations_map(unary_op_map_t& m) + { + #define register_unary_op(Op, UnaryFunctor) \ + m.insert(std::make_pair(Op,UnaryFunctor::process)); \ + + register_unary_op(details::e_abs , details::abs_op ) + register_unary_op(details::e_acos , details::acos_op ) + register_unary_op(details::e_acosh , details::acosh_op) + register_unary_op(details::e_asin , details::asin_op ) + register_unary_op(details::e_asinh , details::asinh_op) + register_unary_op(details::e_atanh , details::atanh_op) + register_unary_op(details::e_ceil , details::ceil_op ) + register_unary_op(details::e_cos , details::cos_op ) + register_unary_op(details::e_cosh , details::cosh_op ) + register_unary_op(details::e_exp , details::exp_op ) + register_unary_op(details::e_expm1 , details::expm1_op) + register_unary_op(details::e_floor , details::floor_op) + register_unary_op(details::e_log , details::log_op ) + register_unary_op(details::e_log10 , details::log10_op) + register_unary_op(details::e_log2 , details::log2_op ) + register_unary_op(details::e_log1p , details::log1p_op) + register_unary_op(details::e_neg , details::neg_op ) + register_unary_op(details::e_pos , details::pos_op ) + register_unary_op(details::e_round , details::round_op) + register_unary_op(details::e_sin , details::sin_op ) + register_unary_op(details::e_sinc , details::sinc_op ) + register_unary_op(details::e_sinh , details::sinh_op ) + register_unary_op(details::e_sqrt , details::sqrt_op ) + register_unary_op(details::e_tan , details::tan_op ) + register_unary_op(details::e_tanh , details::tanh_op ) + register_unary_op(details::e_cot , details::cot_op ) + register_unary_op(details::e_sec , details::sec_op ) + register_unary_op(details::e_csc , details::csc_op ) + register_unary_op(details::e_r2d , details::r2d_op ) + register_unary_op(details::e_d2r , details::d2r_op ) + register_unary_op(details::e_d2g , details::d2g_op ) + register_unary_op(details::e_g2d , details::g2d_op ) + register_unary_op(details::e_notl , details::notl_op ) + register_unary_op(details::e_sgn , details::sgn_op ) + register_unary_op(details::e_erf , details::erf_op ) + register_unary_op(details::e_erfc , details::erfc_op ) + register_unary_op(details::e_ncdf , details::ncdf_op ) + register_unary_op(details::e_frac , details::frac_op ) + register_unary_op(details::e_trunc , details::trunc_op) + #undef register_unary_op + } + + inline void load_binary_operations_map(binary_op_map_t& m) + { + typedef typename binary_op_map_t::value_type value_type; + + #define register_binary_op(Op, BinaryFunctor) \ + m.insert(value_type(Op,BinaryFunctor::process)); \ + + register_binary_op(details::e_add , details::add_op ) + register_binary_op(details::e_sub , details::sub_op ) + register_binary_op(details::e_mul , details::mul_op ) + register_binary_op(details::e_div , details::div_op ) + register_binary_op(details::e_mod , details::mod_op ) + register_binary_op(details::e_pow , details::pow_op ) + register_binary_op(details::e_lt , details::lt_op ) + register_binary_op(details::e_lte , details::lte_op ) + register_binary_op(details::e_gt , details::gt_op ) + register_binary_op(details::e_gte , details::gte_op ) + register_binary_op(details::e_eq , details::eq_op ) + register_binary_op(details::e_ne , details::ne_op ) + register_binary_op(details::e_and , details::and_op ) + register_binary_op(details::e_nand , details::nand_op) + register_binary_op(details::e_or , details::or_op ) + register_binary_op(details::e_nor , details::nor_op ) + register_binary_op(details::e_xor , details::xor_op ) + register_binary_op(details::e_xnor , details::xnor_op) + #undef register_binary_op + } + + inline void load_inv_binary_operations_map(inv_binary_op_map_t& m) + { + typedef typename inv_binary_op_map_t::value_type value_type; + + #define register_binary_op(Op, BinaryFunctor) \ + m.insert(value_type(BinaryFunctor::process,Op)); \ + + register_binary_op(details::e_add , details::add_op ) + register_binary_op(details::e_sub , details::sub_op ) + register_binary_op(details::e_mul , details::mul_op ) + register_binary_op(details::e_div , details::div_op ) + register_binary_op(details::e_mod , details::mod_op ) + register_binary_op(details::e_pow , details::pow_op ) + register_binary_op(details::e_lt , details::lt_op ) + register_binary_op(details::e_lte , details::lte_op ) + register_binary_op(details::e_gt , details::gt_op ) + register_binary_op(details::e_gte , details::gte_op ) + register_binary_op(details::e_eq , details::eq_op ) + register_binary_op(details::e_ne , details::ne_op ) + register_binary_op(details::e_and , details::and_op ) + register_binary_op(details::e_nand , details::nand_op) + register_binary_op(details::e_or , details::or_op ) + register_binary_op(details::e_nor , details::nor_op ) + register_binary_op(details::e_xor , details::xor_op ) + register_binary_op(details::e_xnor , details::xnor_op) + #undef register_binary_op + } + + inline void load_sf3_map(sf3_map_t& sf3_map) + { + typedef std::pair pair_t; + + #define register_sf3(Op) \ + sf3_map[details::sf##Op##_op::id()] = pair_t(details::sf##Op##_op::process,details::e_sf##Op); \ + + register_sf3(00) register_sf3(01) register_sf3(02) register_sf3(03) + register_sf3(04) register_sf3(05) register_sf3(06) register_sf3(07) + register_sf3(08) register_sf3(09) register_sf3(10) register_sf3(11) + register_sf3(12) register_sf3(13) register_sf3(14) register_sf3(15) + register_sf3(16) register_sf3(17) register_sf3(18) register_sf3(19) + register_sf3(20) register_sf3(21) register_sf3(22) register_sf3(23) + register_sf3(24) register_sf3(25) register_sf3(26) register_sf3(27) + register_sf3(28) register_sf3(29) register_sf3(30) + #undef register_sf3 + + #define register_sf3_extid(Id, Op) \ + sf3_map[Id] = pair_t(details::sf##Op##_op::process,details::e_sf##Op); \ + + register_sf3_extid("(t-t)-t",23) // (t-t)-t --> t-(t+t) + #undef register_sf3_extid + } + + inline void load_sf4_map(sf4_map_t& sf4_map) + { + typedef std::pair pair_t; + + #define register_sf4(Op) \ + sf4_map[details::sf##Op##_op::id()] = pair_t(details::sf##Op##_op::process,details::e_sf##Op); \ + + register_sf4(48) register_sf4(49) register_sf4(50) register_sf4(51) + register_sf4(52) register_sf4(53) register_sf4(54) register_sf4(55) + register_sf4(56) register_sf4(57) register_sf4(58) register_sf4(59) + register_sf4(60) register_sf4(61) register_sf4(62) register_sf4(63) + register_sf4(64) register_sf4(65) register_sf4(66) register_sf4(67) + register_sf4(68) register_sf4(69) register_sf4(70) register_sf4(71) + register_sf4(72) register_sf4(73) register_sf4(74) register_sf4(75) + register_sf4(76) register_sf4(77) register_sf4(78) register_sf4(79) + register_sf4(80) register_sf4(81) register_sf4(82) register_sf4(83) + #undef register_sf4 + + #define register_sf4ext(Op) \ + sf4_map[details::sfext##Op##_op::id()] = pair_t(details::sfext##Op##_op::process,details::e_sf4ext##Op); \ + + register_sf4ext(00) register_sf4ext(01) register_sf4ext(02) register_sf4ext(03) + register_sf4ext(04) register_sf4ext(05) register_sf4ext(06) register_sf4ext(07) + register_sf4ext(08) register_sf4ext(09) register_sf4ext(10) register_sf4ext(11) + register_sf4ext(12) register_sf4ext(13) register_sf4ext(14) register_sf4ext(15) + register_sf4ext(16) register_sf4ext(17) register_sf4ext(18) register_sf4ext(19) + register_sf4ext(20) register_sf4ext(21) register_sf4ext(22) register_sf4ext(23) + register_sf4ext(24) register_sf4ext(25) register_sf4ext(26) register_sf4ext(27) + register_sf4ext(28) register_sf4ext(29) register_sf4ext(30) register_sf4ext(31) + register_sf4ext(32) register_sf4ext(33) register_sf4ext(34) register_sf4ext(35) + register_sf4ext(36) register_sf4ext(36) register_sf4ext(38) register_sf4ext(39) + register_sf4ext(40) register_sf4ext(41) register_sf4ext(42) register_sf4ext(43) + register_sf4ext(44) register_sf4ext(45) register_sf4ext(46) register_sf4ext(47) + register_sf4ext(48) register_sf4ext(49) register_sf4ext(50) register_sf4ext(51) + register_sf4ext(52) register_sf4ext(53) register_sf4ext(54) register_sf4ext(55) + register_sf4ext(56) register_sf4ext(57) register_sf4ext(58) register_sf4ext(59) + register_sf4ext(60) register_sf4ext(61) + #undef register_sf4ext + } + + inline results_context_t& results_ctx() + { + if (0 == results_context_) + { + results_context_ = new results_context_t(); + } + + return (*results_context_); + } + + inline void return_cleanup() + { + #ifndef exprtk_disable_return_statement + if (results_context_) + { + delete results_context_; + results_context_ = 0; + } + + state_.return_stmt_present = false; + #endif + } + + inline bool valid_settings() + { + const std::size_t max_local_vector_size_bytes = sizeof(T) * settings_.max_local_vector_size(); + + if (max_local_vector_size_bytes > settings_.max_total_local_symbol_size_bytes()) + { + set_error(make_error( + parser_error::e_parser, + "ERR282 - Max local vector size of " + details::to_str(max_local_vector_size_bytes) + " bytes " + "is larger than max total local symbol size of " + details::to_str(settings_.max_total_local_symbol_size_bytes()) + " bytes", + exprtk_error_location)); + + return false; + } + + return true; + } + + private: + + parser(const parser&) exprtk_delete; + parser& operator=(const parser&) exprtk_delete; + + settings_store settings_; + expression_generator expression_generator_; + details::node_allocator node_allocator_; + symtab_store symtab_store_; + dependent_entity_collector dec_; + std::deque error_list_; + std::deque brkcnt_list_; + parser_state state_; + bool resolve_unknown_symbol_; + results_context_t* results_context_; + unknown_symbol_resolver* unknown_symbol_resolver_; + unknown_symbol_resolver default_usr_; + base_ops_map_t base_ops_map_; + unary_op_map_t unary_op_map_; + binary_op_map_t binary_op_map_; + inv_binary_op_map_t inv_binary_op_map_; + sf3_map_t sf3_map_; + sf4_map_t sf4_map_; + std::string synthesis_error_; + scope_element_manager sem_; + std::vector current_state_stack_; + + immutable_memory_map_t immutable_memory_map_; + immutable_symtok_map_t immutable_symtok_map_; + + lexer::helper::helper_assembly helper_assembly_; + + lexer::helper::commutative_inserter commutative_inserter_; + lexer::helper::operator_joiner operator_joiner_2_; + lexer::helper::operator_joiner operator_joiner_3_; + lexer::helper::symbol_replacer symbol_replacer_; + lexer::helper::bracket_checker bracket_checker_; + lexer::helper::numeric_checker numeric_checker_; + lexer::helper::sequence_validator sequence_validator_; + lexer::helper::sequence_validator_3tokens sequence_validator_3tkns_; + + loop_runtime_check_ptr loop_runtime_check_; + vector_access_runtime_check_ptr vector_access_runtime_check_; + compilation_check_ptr compilation_check_ptr_; + assert_check_ptr assert_check_; + std::set assert_ids_; + + template + friend void details::disable_type_checking(ParserType& p); + }; // class parser + + namespace details + { + template + struct collector_helper + { + typedef exprtk::symbol_table symbol_table_t; + typedef exprtk::expression expression_t; + typedef exprtk::parser parser_t; + typedef typename parser_t::dependent_entity_collector::symbol_t symbol_t; + typedef typename parser_t::unknown_symbol_resolver usr_t; + + struct resolve_as_vector : public usr_t + { + typedef exprtk::parser parser_t; + + using usr_t::process; + + resolve_as_vector() + : usr_t(usr_t::e_usrmode_extended) + {} + + virtual bool process(const std::string& unknown_symbol, + symbol_table_t& symbol_table, + std::string&) exprtk_override + { + static T v[1]; + symbol_table.add_vector(unknown_symbol,v); + return true; + } + }; + + static inline bool collection_pass(const std::string& expression_string, + std::set& symbol_set, + const bool collect_variables, + const bool collect_functions, + const bool vector_pass, + symbol_table_t& ext_symbol_table) + { + symbol_table_t symbol_table; + expression_t expression; + parser_t parser; + + resolve_as_vector vect_resolver; + + expression.register_symbol_table(symbol_table ); + expression.register_symbol_table(ext_symbol_table); + + if (vector_pass) + parser.enable_unknown_symbol_resolver(&vect_resolver); + else + parser.enable_unknown_symbol_resolver(); + + if (collect_variables) + parser.dec().collect_variables() = true; + + if (collect_functions) + parser.dec().collect_functions() = true; + + bool pass_result = false; + + details::disable_type_checking(parser); + + if (parser.compile(expression_string, expression)) + { + pass_result = true; + + std::deque symb_list; + parser.dec().symbols(symb_list); + + for (std::size_t i = 0; i < symb_list.size(); ++i) + { + symbol_set.insert(symb_list[i].first); + } + } + + return pass_result; + } + }; + } + + template class Sequence> + inline bool collect_variables(const std::string& expression, + Sequence& symbol_list) + { + typedef double T; + typedef details::collector_helper collect_t; + + collect_t::symbol_table_t null_symbol_table; + + std::set symbol_set; + + const bool variable_pass = collect_t::collection_pass + (expression, symbol_set, true, false, false, null_symbol_table); + const bool vector_pass = collect_t::collection_pass + (expression, symbol_set, true, false, true, null_symbol_table); + + if (!variable_pass && !vector_pass) + return false; + + std::set::iterator itr = symbol_set.begin(); + + while (symbol_set.end() != itr) + { + symbol_list.push_back(*itr); + ++itr; + } + + return true; + } + + template class Sequence> + inline bool collect_variables(const std::string& expression, + exprtk::symbol_table& extrnl_symbol_table, + Sequence& symbol_list) + { + typedef details::collector_helper collect_t; + + std::set symbol_set; + + const bool variable_pass = collect_t::collection_pass + (expression, symbol_set, true, false, false, extrnl_symbol_table); + const bool vector_pass = collect_t::collection_pass + (expression, symbol_set, true, false, true, extrnl_symbol_table); + + if (!variable_pass && !vector_pass) + return false; + + std::set::iterator itr = symbol_set.begin(); + + while (symbol_set.end() != itr) + { + symbol_list.push_back(*itr); + ++itr; + } + + return true; + } + + template class Sequence> + inline bool collect_functions(const std::string& expression, + Sequence& symbol_list) + { + typedef double T; + typedef details::collector_helper collect_t; + + collect_t::symbol_table_t null_symbol_table; + + std::set symbol_set; + + const bool variable_pass = collect_t::collection_pass + (expression, symbol_set, false, true, false, null_symbol_table); + const bool vector_pass = collect_t::collection_pass + (expression, symbol_set, false, true, true, null_symbol_table); + + if (!variable_pass && !vector_pass) + return false; + + std::set::iterator itr = symbol_set.begin(); + + while (symbol_set.end() != itr) + { + symbol_list.push_back(*itr); + ++itr; + } + + return true; + } + + template class Sequence> + inline bool collect_functions(const std::string& expression, + exprtk::symbol_table& extrnl_symbol_table, + Sequence& symbol_list) + { + typedef details::collector_helper collect_t; + + std::set symbol_set; + + const bool variable_pass = collect_t::collection_pass + (expression, symbol_set, false, true, false, extrnl_symbol_table); + const bool vector_pass = collect_t::collection_pass + (expression, symbol_set, false, true, true, extrnl_symbol_table); + + if (!variable_pass && !vector_pass) + return false; + + std::set::iterator itr = symbol_set.begin(); + + while (symbol_set.end() != itr) + { + symbol_list.push_back(*itr); + ++itr; + } + + return true; + } + + template + inline T integrate(const expression& e, + T& x, + const T& r0, const T& r1, + const std::size_t number_of_intervals = 1000000) + { + if (r0 > r1) + return T(0); + + const T h = (r1 - r0) / (T(2) * number_of_intervals); + T total_area = T(0); + + for (std::size_t i = 0; i < number_of_intervals; ++i) + { + x = r0 + T(2) * i * h; + const T y0 = e.value(); x += h; + const T y1 = e.value(); x += h; + const T y2 = e.value(); x += h; + total_area += h * (y0 + T(4) * y1 + y2) / T(3); + } + + return total_area; + } + + template + inline T integrate(const expression& e, + const std::string& variable_name, + const T& r0, const T& r1, + const std::size_t number_of_intervals = 1000000) + { + const symbol_table& sym_table = e.get_symbol_table(); + + if (!sym_table.valid()) + { + return std::numeric_limits::quiet_NaN(); + } + + details::variable_node* var = sym_table.get_variable(variable_name); + + if (var) + { + T& x = var->ref(); + const T x_original = x; + const T result = integrate(e, x, r0, r1, number_of_intervals); + x = x_original; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + template + inline T derivative(const expression& e, + T& x, + const T& h = T(0.00000001)) + { + const T x_init = x; + const T _2h = T(2) * h; + + x = x_init + _2h; + const T y0 = e.value(); + x = x_init + h; + const T y1 = e.value(); + x = x_init - h; + const T y2 = e.value(); + x = x_init - _2h; + const T y3 = e.value(); + x = x_init; + + return (-y0 + T(8) * (y1 - y2) + y3) / (T(12) * h); + } + + template + inline T second_derivative(const expression& e, + T& x, + const T& h = T(0.00001)) + { + const T x_init = x; + const T _2h = T(2) * h; + + const T y = e.value(); + x = x_init + _2h; + const T y0 = e.value(); + x = x_init + h; + const T y1 = e.value(); + x = x_init - h; + const T y2 = e.value(); + x = x_init - _2h; + const T y3 = e.value(); + x = x_init; + + return (-y0 + T(16) * (y1 + y2) - T(30) * y - y3) / (T(12) * h * h); + } + + template + inline T third_derivative(const expression& e, + T& x, + const T& h = T(0.0001)) + { + const T x_init = x; + const T _2h = T(2) * h; + + x = x_init + _2h; + const T y0 = e.value(); + x = x_init + h; + const T y1 = e.value(); + x = x_init - h; + const T y2 = e.value(); + x = x_init - _2h; + const T y3 = e.value(); + x = x_init; + + return (y0 + T(2) * (y2 - y1) - y3) / (T(2) * h * h * h); + } + + template + inline T derivative(const expression& e, + const std::string& variable_name, + const T& h = T(0.00000001)) + { + const symbol_table& sym_table = e.get_symbol_table(); + + if (!sym_table.valid()) + { + return std::numeric_limits::quiet_NaN(); + } + + details::variable_node* var = sym_table.get_variable(variable_name); + + if (var) + { + T& x = var->ref(); + const T x_original = x; + const T result = derivative(e, x, h); + x = x_original; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + template + inline T second_derivative(const expression& e, + const std::string& variable_name, + const T& h = T(0.00001)) + { + const symbol_table& sym_table = e.get_symbol_table(); + + if (!sym_table.valid()) + { + return std::numeric_limits::quiet_NaN(); + } + + details::variable_node* var = sym_table.get_variable(variable_name); + + if (var) + { + T& x = var->ref(); + const T x_original = x; + const T result = second_derivative(e, x, h); + x = x_original; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + template + inline T third_derivative(const expression& e, + const std::string& variable_name, + const T& h = T(0.0001)) + { + const symbol_table& sym_table = e.get_symbol_table(); + + if (!sym_table.valid()) + { + return std::numeric_limits::quiet_NaN(); + } + + details::variable_node* var = sym_table.get_variable(variable_name); + + if (var) + { + T& x = var->ref(); + const T x_original = x; + const T result = third_derivative(e, x, h); + x = x_original; + + return result; + } + + return std::numeric_limits::quiet_NaN(); + } + + /* + Note: The following 'compute' routines are simple helpers, + for quickly setting up the required pieces of code in order + to evaluate an expression. By virtue of how they operate + there will be an overhead with regards to their setup and + teardown and hence should not be used in time critical + sections of code. + Furthermore they only assume a small sub set of variables, + no string variables or user defined functions. + */ + template + inline bool compute(const std::string& expression_string, T& result) + { + // No variables + symbol_table symbol_table; + symbol_table.add_constants(); + + expression expression; + expression.register_symbol_table(symbol_table); + + parser parser; + + if (parser.compile(expression_string,expression)) + { + result = expression.value(); + + return true; + } + else + return false; + } + + template + inline bool compute(const std::string& expression_string, + const T& x, + T& result) + { + // Only 'x' + static const std::string x_var("x"); + + symbol_table symbol_table; + symbol_table.add_constants(); + symbol_table.add_constant(x_var,x); + + expression expression; + expression.register_symbol_table(symbol_table); + + parser parser; + + if (parser.compile(expression_string,expression)) + { + result = expression.value(); + + return true; + } + else + return false; + } + + template + inline bool compute(const std::string& expression_string, + const T&x, const T& y, + T& result) + { + // Only 'x' and 'y' + static const std::string x_var("x"); + static const std::string y_var("y"); + + symbol_table symbol_table; + symbol_table.add_constants(); + symbol_table.add_constant(x_var,x); + symbol_table.add_constant(y_var,y); + + expression expression; + expression.register_symbol_table(symbol_table); + + parser parser; + + if (parser.compile(expression_string,expression)) + { + result = expression.value(); + + return true; + } + else + return false; + } + + template + inline bool compute(const std::string& expression_string, + const T& x, const T& y, const T& z, + T& result) + { + // Only 'x', 'y' or 'z' + static const std::string x_var("x"); + static const std::string y_var("y"); + static const std::string z_var("z"); + + symbol_table symbol_table; + symbol_table.add_constants(); + symbol_table.add_constant(x_var,x); + symbol_table.add_constant(y_var,y); + symbol_table.add_constant(z_var,z); + + expression expression; + expression.register_symbol_table(symbol_table); + + parser parser; + + if (parser.compile(expression_string,expression)) + { + result = expression.value(); + + return true; + } + else + return false; + } + + template + class polynomial : public ifunction + { + private: + + template + struct poly_impl { }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c12, const Type c11, const Type c10, const Type c9, const Type c8, + const Type c7, const Type c6, const Type c5, const Type c4, const Type c3, + const Type c2, const Type c1, const Type c0) + { + // p(x) = c_12x^12 + c_11x^11 + c_10x^10 + c_9x^9 + c_8x^8 + c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return ((((((((((((c12 * x + c11) * x + c10) * x + c9) * x + c8) * x + c7) * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c11, const Type c10, const Type c9, const Type c8, const Type c7, + const Type c6, const Type c5, const Type c4, const Type c3, const Type c2, + const Type c1, const Type c0) + { + // p(x) = c_11x^11 + c_10x^10 + c_9x^9 + c_8x^8 + c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return (((((((((((c11 * x + c10) * x + c9) * x + c8) * x + c7) * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c10, const Type c9, const Type c8, const Type c7, const Type c6, + const Type c5, const Type c4, const Type c3, const Type c2, const Type c1, + const Type c0) + { + // p(x) = c_10x^10 + c_9x^9 + c_8x^8 + c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return ((((((((((c10 * x + c9) * x + c8) * x + c7) * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c9, const Type c8, const Type c7, const Type c6, const Type c5, + const Type c4, const Type c3, const Type c2, const Type c1, const Type c0) + { + // p(x) = c_9x^9 + c_8x^8 + c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return (((((((((c9 * x + c8) * x + c7) * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c8, const Type c7, const Type c6, const Type c5, const Type c4, + const Type c3, const Type c2, const Type c1, const Type c0) + { + // p(x) = c_8x^8 + c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return ((((((((c8 * x + c7) * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c7, const Type c6, const Type c5, const Type c4, const Type c3, + const Type c2, const Type c1, const Type c0) + { + // p(x) = c_7x^7 + c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return (((((((c7 * x + c6) * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c6, const Type c5, const Type c4, const Type c3, const Type c2, + const Type c1, const Type c0) + { + // p(x) = c_6x^6 + c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return ((((((c6 * x + c5) * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, + const Type c5, const Type c4, const Type c3, const Type c2, + const Type c1, const Type c0) + { + // p(x) = c_5x^5 + c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return (((((c5 * x + c4) * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, const Type c4, const Type c3, const Type c2, const Type c1, const Type c0) + { + // p(x) = c_4x^4 + c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return ((((c4 * x + c3) * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, const Type c3, const Type c2, const Type c1, const Type c0) + { + // p(x) = c_3x^3 + c_2x^2 + c_1x^1 + c_0x^0 + return (((c3 * x + c2) * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, const Type c2, const Type c1, const Type c0) + { + // p(x) = c_2x^2 + c_1x^1 + c_0x^0 + return ((c2 * x + c1) * x + c0); + } + }; + + template + struct poly_impl + { + static inline T evaluate(const Type x, const Type c1, const Type c0) + { + // p(x) = c_1x^1 + c_0x^0 + return (c1 * x + c0); + } + }; + + public: + + using ifunction::operator(); + + polynomial() + : ifunction((N+2 <= 20) ? (N + 2) : std::numeric_limits::max()) + { + disable_has_side_effects(*this); + } + + virtual ~polynomial() exprtk_override + {} + + #define poly_rtrn(NN) \ + return (NN != N) ? std::numeric_limits::quiet_NaN() : + + inline virtual T operator() (const T& x, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(1) (poly_impl::evaluate(x, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(2) (poly_impl::evaluate(x, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c3, const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(3) (poly_impl::evaluate(x, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c4, const T& c3, const T& c2, const T& c1, + const T& c0) exprtk_override + { + poly_rtrn(4) (poly_impl::evaluate(x, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c5, const T& c4, const T& c3, const T& c2, + const T& c1, const T& c0) exprtk_override + { + poly_rtrn(5) (poly_impl::evaluate(x, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c6, const T& c5, const T& c4, const T& c3, + const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(6) (poly_impl::evaluate(x, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c7, const T& c6, const T& c5, const T& c4, + const T& c3, const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(7) (poly_impl::evaluate(x, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c8, const T& c7, const T& c6, const T& c5, + const T& c4, const T& c3, const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(8) (poly_impl::evaluate(x, c8, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c9, const T& c8, const T& c7, const T& c6, + const T& c5, const T& c4, const T& c3, const T& c2, const T& c1, + const T& c0) exprtk_override + { + poly_rtrn(9) (poly_impl::evaluate(x, c9, c8, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c10, const T& c9, const T& c8, const T& c7, + const T& c6, const T& c5, const T& c4, const T& c3, const T& c2, + const T& c1, const T& c0) exprtk_override + { + poly_rtrn(10) (poly_impl::evaluate(x, c10, c9, c8, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c11, const T& c10, const T& c9, const T& c8, + const T& c7, const T& c6, const T& c5, const T& c4, const T& c3, + const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(11) (poly_impl::evaluate(x, c11, c10, c9, c8, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + inline virtual T operator() (const T& x, const T& c12, const T& c11, const T& c10, const T& c9, + const T& c8, const T& c7, const T& c6, const T& c5, const T& c4, + const T& c3, const T& c2, const T& c1, const T& c0) exprtk_override + { + poly_rtrn(12) (poly_impl::evaluate(x, c12, c11, c10, c9, c8, c7, c6, c5, c4, c3, c2, c1, c0)); + } + + #undef poly_rtrn + + inline virtual T operator() () exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline virtual T operator() (const T&) exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + + inline virtual T operator() (const T&, const T&) exprtk_override + { + return std::numeric_limits::quiet_NaN(); + } + }; + + template + class function_compositor + { + public: + + typedef exprtk::expression expression_t; + typedef exprtk::symbol_table symbol_table_t; + typedef exprtk::parser parser_t; + typedef typename parser_t::settings_store settings_t; + + struct function + { + function() + {} + + explicit function(const std::string& n) + : name_(n) + {} + + function(const std::string& name, + const std::string& expression) + : name_(name) + , expression_(expression) + {} + + function(const std::string& name, + const std::string& expression, + const std::string& v0) + : name_(name) + , expression_(expression) + { + v_.push_back(v0); + } + + function(const std::string& name, + const std::string& expression, + const std::string& v0, const std::string& v1) + : name_(name) + , expression_(expression) + { + v_.push_back(v0); v_.push_back(v1); + } + + function(const std::string& name, + const std::string& expression, + const std::string& v0, const std::string& v1, + const std::string& v2) + : name_(name) + , expression_(expression) + { + v_.push_back(v0); v_.push_back(v1); + v_.push_back(v2); + } + + function(const std::string& name, + const std::string& expression, + const std::string& v0, const std::string& v1, + const std::string& v2, const std::string& v3) + : name_(name) + , expression_(expression) + { + v_.push_back(v0); v_.push_back(v1); + v_.push_back(v2); v_.push_back(v3); + } + + function(const std::string& name, + const std::string& expression, + const std::string& v0, const std::string& v1, + const std::string& v2, const std::string& v3, + const std::string& v4) + : name_(name) + , expression_(expression) + { + v_.push_back(v0); v_.push_back(v1); + v_.push_back(v2); v_.push_back(v3); + v_.push_back(v4); + } + + inline function& name(const std::string& n) + { + name_ = n; + return (*this); + } + + inline function& expression(const std::string& e) + { + expression_ = e; + return (*this); + } + + inline function& var(const std::string& v) + { + v_.push_back(v); + return (*this); + } + + inline function& vars(const std::string& v0, + const std::string& v1) + { + v_.push_back(v0); + v_.push_back(v1); + return (*this); + } + + inline function& vars(const std::string& v0, + const std::string& v1, + const std::string& v2) + { + v_.push_back(v0); + v_.push_back(v1); + v_.push_back(v2); + return (*this); + } + + inline function& vars(const std::string& v0, + const std::string& v1, + const std::string& v2, + const std::string& v3) + { + v_.push_back(v0); + v_.push_back(v1); + v_.push_back(v2); + v_.push_back(v3); + return (*this); + } + + inline function& vars(const std::string& v0, + const std::string& v1, + const std::string& v2, + const std::string& v3, + const std::string& v4) + { + v_.push_back(v0); + v_.push_back(v1); + v_.push_back(v2); + v_.push_back(v3); + v_.push_back(v4); + return (*this); + } + + std::string name_; + std::string expression_; + std::deque v_; + }; + + private: + + struct base_func : public exprtk::ifunction + { + typedef const T& type; + typedef exprtk::ifunction function_t; + typedef std::vector varref_t; + typedef std::vector var_t; + typedef std::vector str_t; + typedef std::pair lvarref_t; + typedef std::vector lvr_vec_t; + typedef std::vector lstr_vec_t; + + using exprtk::ifunction::operator(); + + explicit base_func(const std::size_t& pc = 0) + : exprtk::ifunction(pc) + , local_var_stack_size(0) + , stack_depth(0) + { + v.resize(pc); + } + + virtual ~base_func() + {} + + #define exprtk_assign(Index) \ + (*v[Index]) = v##Index; \ + + inline void update(const T& v0) + { + exprtk_assign(0) + } + + inline void update(const T& v0, const T& v1) + { + exprtk_assign(0) exprtk_assign(1) + } + + inline void update(const T& v0, const T& v1, const T& v2) + { + exprtk_assign(0) exprtk_assign(1) + exprtk_assign(2) + } + + inline void update(const T& v0, const T& v1, const T& v2, const T& v3) + { + exprtk_assign(0) exprtk_assign(1) + exprtk_assign(2) exprtk_assign(3) + } + + inline void update(const T& v0, const T& v1, const T& v2, const T& v3, const T& v4) + { + exprtk_assign(0) exprtk_assign(1) + exprtk_assign(2) exprtk_assign(3) + exprtk_assign(4) + } + + inline void update(const T& v0, const T& v1, const T& v2, const T& v3, const T& v4, const T& v5) + { + exprtk_assign(0) exprtk_assign(1) + exprtk_assign(2) exprtk_assign(3) + exprtk_assign(4) exprtk_assign(5) + } + + #ifdef exprtk_assign + #undef exprtk_assign + #endif + + inline function_t& setup(expression_t& expr) + { + expression = expr; + + typedef typename expression_t::control_block ctrlblk_t; + typedef typename ctrlblk_t::local_data_list_t ldl_t; + typedef typename ctrlblk_t::data_type data_t; + typedef typename ldl_t::value_type ldl_value_type; + + const ldl_t ldl = expr.local_data_list(); + + std::vector > index_list; + + for (std::size_t i = 0; i < ldl.size(); ++i) + { + exprtk_debug(("base_func::setup() - element[%02d] type: %s size: %d\n", + static_cast(i), + expression_t::control_block::to_str(ldl[i].type).c_str(), + static_cast(ldl[i].size))); + + switch (ldl[i].type) + { + case ctrlblk_t::e_unknown : continue; + case ctrlblk_t::e_expr : continue; + case ctrlblk_t::e_vecholder : continue; + default : break; + } + + if (ldl[i].size) + { + index_list.push_back(std::make_pair(i,ldl[i].type)); + } + } + + std::size_t input_param_count = 0; + + for (std::size_t i = 0; i < index_list.size(); ++i) + { + const std::size_t index = index_list[i].first; + const ldl_value_type& local_var = ldl[index]; + + assert(local_var.pointer); + + if (i < (index_list.size() - v.size())) + { + if (local_var.type == ctrlblk_t::e_string) + { + local_str_vars.push_back( + reinterpret_cast(local_var.pointer)); + } + else if ( + (local_var.type == ctrlblk_t::e_data ) || + (local_var.type == ctrlblk_t::e_vecdata) + ) + { + local_vars.push_back(std::make_pair( + reinterpret_cast(local_var.pointer), + local_var.size)); + + local_var_stack_size += local_var.size; + } + } + else + { + v[input_param_count++] = reinterpret_cast(local_var.pointer); + } + } + + clear_stack(); + + return (*this); + } + + inline void pre() + { + if (stack_depth++) + { + if (!v.empty()) + { + var_t var_stack(v.size(),T(0)); + copy(v,var_stack); + input_params_stack.push_back(var_stack); + } + + if (!local_vars.empty()) + { + var_t local_vec_frame(local_var_stack_size,T(0)); + copy(local_vars,local_vec_frame); + local_var_stack.push_back(local_vec_frame); + } + + if (!local_str_vars.empty()) + { + str_t local_str_frame(local_str_vars.size()); + copy(local_str_vars,local_str_frame); + local_str_stack.push_back(local_str_frame); + } + } + } + + inline void post() + { + if (--stack_depth) + { + if (!v.empty()) + { + copy(input_params_stack.back(), v); + input_params_stack.pop_back(); + } + + if (!local_vars.empty()) + { + copy(local_var_stack.back(), local_vars); + local_var_stack.pop_back(); + } + + if (!local_str_vars.empty()) + { + copy(local_str_stack.back(), local_str_vars); + local_str_stack.pop_back(); + } + } + } + + void copy(const varref_t& src_v, var_t& dest_v) + { + for (std::size_t i = 0; i < src_v.size(); ++i) + { + dest_v[i] = (*src_v[i]); + } + } + + void copy(const lstr_vec_t& src_v, str_t& dest_v) + { + for (std::size_t i = 0; i < src_v.size(); ++i) + { + dest_v[i] = (*src_v[i]); + } + } + + void copy(const var_t& src_v, varref_t& dest_v) + { + for (std::size_t i = 0; i < src_v.size(); ++i) + { + (*dest_v[i]) = src_v[i]; + } + } + + void copy(const lvr_vec_t& src_v, var_t& dest_v) + { + typename var_t::iterator itr = dest_v.begin(); + typedef typename std::iterator_traits::difference_type diff_t; + + for (std::size_t i = 0; i < src_v.size(); ++i) + { + lvarref_t vr = src_v[i]; + + if (1 == vr.second) + *itr++ = (*vr.first); + else + { + std::copy(vr.first, vr.first + vr.second, itr); + itr += static_cast(vr.second); + } + } + } + + void copy(const var_t& src_v, lvr_vec_t& dest_v) + { + typename var_t::const_iterator itr = src_v.begin(); + typedef typename std::iterator_traits::difference_type diff_t; + + for (std::size_t i = 0; i < dest_v.size(); ++i) + { + lvarref_t& vr = dest_v[i]; + + assert(vr.first != 0); + assert(vr.second > 0); + + if (1 == vr.second) + (*vr.first) = *itr++; + else + { + std::copy(itr, itr + static_cast(vr.second), vr.first); + itr += static_cast(vr.second); + } + } + } + + void copy(const str_t& src_str, lstr_vec_t& dest_str) + { + assert(src_str.size() == dest_str.size()); + + for (std::size_t i = 0; i < dest_str.size(); ++i) + { + *dest_str[i] = src_str[i]; + } + } + + inline void clear_stack() + { + for (std::size_t i = 0; i < v.size(); ++i) + { + (*v[i]) = 0; + } + } + + inline virtual T value(expression_t& e) + { + return e.value(); + } + + expression_t expression; + varref_t v; + lvr_vec_t local_vars; + lstr_vec_t local_str_vars; + std::size_t local_var_stack_size; + std::size_t stack_depth; + std::deque input_params_stack; + std::deque local_var_stack; + std::deque local_str_stack; + }; + + typedef std::map funcparam_t; + + typedef const T& type; + + template + struct scoped_bft + { + explicit scoped_bft(BaseFuncType& bft) + : bft_(bft) + { + bft_.pre (); + } + + ~scoped_bft() + { + bft_.post(); + } + + BaseFuncType& bft_; + + private: + + scoped_bft(const scoped_bft&) exprtk_delete; + scoped_bft& operator=(const scoped_bft&) exprtk_delete; + }; + + struct func_0param : public base_func + { + using exprtk::ifunction::operator(); + + func_0param() : base_func(0) {} + + inline T operator() () exprtk_override + { + scoped_bft sb(*this); + return this->value(base_func::expression); + } + }; + + struct func_1param : public base_func + { + using exprtk::ifunction::operator(); + + func_1param() : base_func(1) {} + + inline T operator() (type v0) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0); + return this->value(base_func::expression); + } + }; + + struct func_2param : public base_func + { + using exprtk::ifunction::operator(); + + func_2param() : base_func(2) {} + + inline T operator() (type v0, type v1) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0, v1); + return this->value(base_func::expression); + } + }; + + struct func_3param : public base_func + { + using exprtk::ifunction::operator(); + + func_3param() : base_func(3) {} + + inline T operator() (type v0, type v1, type v2) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0, v1, v2); + return this->value(base_func::expression); + } + }; + + struct func_4param : public base_func + { + using exprtk::ifunction::operator(); + + func_4param() : base_func(4) {} + + inline T operator() (type v0, type v1, type v2, type v3) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0, v1, v2, v3); + return this->value(base_func::expression); + } + }; + + struct func_5param : public base_func + { + using exprtk::ifunction::operator(); + + func_5param() : base_func(5) {} + + inline T operator() (type v0, type v1, type v2, type v3, type v4) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0, v1, v2, v3, v4); + return this->value(base_func::expression); + } + }; + + struct func_6param : public base_func + { + using exprtk::ifunction::operator(); + + func_6param() : base_func(6) {} + + inline T operator() (type v0, type v1, type v2, type v3, type v4, type v5) exprtk_override + { + scoped_bft sb(*this); + base_func::update(v0, v1, v2, v3, v4, v5); + return this->value(base_func::expression); + } + }; + + static T return_value(expression_t& e) + { + typedef exprtk::results_context results_context_t; + typedef typename results_context_t::type_store_t type_t; + typedef typename type_t::scalar_view scalar_t; + + const T result = e.value(); + + if (e.return_invoked()) + { + // Due to the post compilation checks, it can be safely + // assumed that there will be at least one parameter + // and that the first parameter will always be scalar. + return scalar_t(e.results()[0])(); + } + + return result; + } + + #define def_fp_retval(N) \ + struct func_##N##param_retval exprtk_final : public func_##N##param \ + { \ + inline T value(expression_t& e) exprtk_override \ + { \ + return return_value(e); \ + } \ + }; \ + + def_fp_retval(0) + def_fp_retval(1) + def_fp_retval(2) + def_fp_retval(3) + def_fp_retval(4) + def_fp_retval(5) + def_fp_retval(6) + + #undef def_fp_retval + + template class Sequence> + inline bool add(const std::string& name, + const std::string& expression, + const Sequence& var_list, + const bool override = false) + { + const typename std::map::iterator itr = expr_map_.find(name); + + if (expr_map_.end() != itr) + { + if (!override) + { + exprtk_debug(("Compositor error(add): function '%s' already defined\n", + name.c_str())); + + return false; + } + + remove(name, var_list.size()); + } + + if (compile_expression(name, expression, var_list)) + { + const std::size_t n = var_list.size(); + + fp_map_[n][name]->setup(expr_map_[name]); + + return true; + } + else + { + exprtk_debug(("Compositor error(add): Failed to compile function '%s'\n", + name.c_str())); + + return false; + } + } + + public: + + function_compositor() + : parser_(settings_t::default_compile_all_opts + + settings_t::e_disable_zero_return) + , fp_map_(7) + , load_variables_(false) + , load_vectors_(false) + {} + + explicit function_compositor(const symbol_table_t& st) + : symbol_table_(st) + , parser_(settings_t::default_compile_all_opts + + settings_t::e_disable_zero_return) + , fp_map_(7) + , load_variables_(false) + , load_vectors_(false) + {} + + ~function_compositor() + { + clear(); + } + + inline symbol_table_t& symbol_table() + { + return symbol_table_; + } + + inline const symbol_table_t& symbol_table() const + { + return symbol_table_; + } + + inline void add_auxiliary_symtab(symbol_table_t& symtab) + { + auxiliary_symtab_list_.push_back(&symtab); + } + + void load_variables(const bool load = true) + { + load_variables_ = load; + } + + void load_vectors(const bool load = true) + { + load_vectors_ = load; + } + + inline void register_loop_runtime_check(loop_runtime_check& lrtchk) + { + parser_.register_loop_runtime_check(lrtchk); + } + + inline void register_vector_access_runtime_check(vector_access_runtime_check& vartchk) + { + parser_.register_vector_access_runtime_check(vartchk); + } + + inline void register_compilation_timeout_check(compilation_check& compchk) + { + parser_.register_compilation_timeout_check(compchk); + } + + inline void clear_loop_runtime_check() + { + parser_.clear_loop_runtime_check(); + } + + inline void clear_vector_access_runtime_check() + { + parser_.clear_vector_access_runtime_check(); + } + + inline void clear_compilation_timeout_check() + { + parser_.clear_compilation_timeout_check(); + } + + void clear() + { + symbol_table_.clear(); + expr_map_ .clear(); + + for (std::size_t i = 0; i < fp_map_.size(); ++i) + { + typename funcparam_t::iterator itr = fp_map_[i].begin(); + typename funcparam_t::iterator end = fp_map_[i].end (); + + while (itr != end) + { + delete itr->second; + ++itr; + } + + fp_map_[i].clear(); + } + + clear_loop_runtime_check (); + clear_vector_access_runtime_check(); + clear_compilation_timeout_check (); + } + + inline bool add(const function& f, const bool override = false) + { + return add(f.name_, f.expression_, f.v_,override); + } + + inline std::string error() const + { + if (!error_list_.empty()) + { + return error_list_[0].diagnostic; + } + else + return std::string("No Error"); + } + + inline std::size_t error_count() const + { + return error_list_.size(); + } + + inline parser_error::type get_error(const std::size_t& index) const + { + if (index < error_list_.size()) + { + return error_list_[index]; + } + + throw std::invalid_argument("compositor::get_error() - Invalid error index specified"); + } + + private: + + template class Sequence> + bool compile_expression(const std::string& name, + const std::string& expression, + const Sequence& input_var_list, + bool return_present = false) + { + expression_t compiled_expression; + symbol_table_t local_symbol_table; + + local_symbol_table.load_from(symbol_table_); + local_symbol_table.add_constants(); + + if (load_variables_) + { + local_symbol_table.load_variables_from(symbol_table_); + } + + if (load_vectors_) + { + local_symbol_table.load_vectors_from(symbol_table_); + } + + error_list_.clear(); + + if (!valid(name,input_var_list.size())) + { + parser_error::type error = + parser_error::make_error( + parser_error::e_parser, + lexer::token(), + "ERR283 - Function '" + name + "' is an invalid overload", + exprtk_error_location); + + error_list_.push_back(error); + return false; + } + + if (!forward(name, + input_var_list.size(), + local_symbol_table, + return_present)) + return false; + + compiled_expression.register_symbol_table(local_symbol_table); + + for (std::size_t i = 0; i < auxiliary_symtab_list_.size(); ++i) + { + compiled_expression.register_symbol_table((*auxiliary_symtab_list_[i])); + } + + std::string mod_expression; + + for (std::size_t i = 0; i < input_var_list.size(); ++i) + { + mod_expression += " var " + input_var_list[i] + "{};\n"; + } + + if ( + ('{' == details::front(expression)) && + ('}' == details::back (expression)) + ) + mod_expression += "~" + expression + ";"; + else + mod_expression += "~{" + expression + "};"; + + if (!parser_.compile(mod_expression,compiled_expression)) + { + exprtk_debug(("Compositor Error: %s\n", parser_.error().c_str())); + exprtk_debug(("Compositor modified expression: \n%s\n", mod_expression.c_str())); + + remove(name,input_var_list.size()); + + for (std::size_t err_index = 0; err_index < parser_.error_count(); ++err_index) + { + error_list_.push_back(parser_.get_error(err_index)); + } + + return false; + } + + if (!return_present && parser_.dec().return_present()) + { + remove(name,input_var_list.size()); + return compile_expression(name, expression, input_var_list, true); + } + + // Make sure every return point has a scalar as its first parameter + if (parser_.dec().return_present()) + { + typedef std::vector str_list_t; + + str_list_t ret_param_list = parser_.dec().return_param_type_list(); + + for (std::size_t i = 0; i < ret_param_list.size(); ++i) + { + const std::string& params = ret_param_list[i]; + + if (params.empty() || ('T' != params[0])) + { + exprtk_debug(("Compositor Error: Return statement in function '%s' is invalid\n", + name.c_str())); + + remove(name,input_var_list.size()); + + return false; + } + } + } + + expr_map_[name] = compiled_expression; + + exprtk::ifunction& ifunc = (*(fp_map_[input_var_list.size()])[name]); + + if (symbol_table_.add_function(name,ifunc)) + return true; + else + { + exprtk_debug(("Compositor Error: Failed to add function '%s' to symbol table\n", + name.c_str())); + return false; + } + } + + inline bool symbol_used(const std::string& symbol) const + { + return ( + symbol_table_.is_variable (symbol) || + symbol_table_.is_stringvar (symbol) || + symbol_table_.is_function (symbol) || + symbol_table_.is_vector (symbol) || + symbol_table_.is_vararg_function(symbol) + ); + } + + inline bool valid(const std::string& name, + const std::size_t& arg_count) const + { + if (arg_count > 6) + return false; + else if (symbol_used(name)) + return false; + else if (fp_map_[arg_count].end() != fp_map_[arg_count].find(name)) + return false; + else + return true; + } + + inline bool forward(const std::string& name, + const std::size_t& arg_count, + symbol_table_t& sym_table, + const bool ret_present = false) + { + switch (arg_count) + { + #define case_stmt(N) \ + case N : (fp_map_[arg_count])[name] = \ + (!ret_present) ? static_cast \ + (new func_##N##param) : \ + static_cast \ + (new func_##N##param_retval) ; \ + break; \ + + case_stmt(0) case_stmt(1) case_stmt(2) + case_stmt(3) case_stmt(4) case_stmt(5) + case_stmt(6) + #undef case_stmt + } + + exprtk::ifunction& ifunc = (*(fp_map_[arg_count])[name]); + + return sym_table.add_function(name,ifunc); + } + + inline void remove(const std::string& name, const std::size_t& arg_count) + { + if (arg_count > 6) + return; + + const typename std::map::iterator em_itr = expr_map_.find(name); + + if (expr_map_.end() != em_itr) + { + expr_map_.erase(em_itr); + } + + const typename funcparam_t::iterator fp_itr = fp_map_[arg_count].find(name); + + if (fp_map_[arg_count].end() != fp_itr) + { + delete fp_itr->second; + fp_map_[arg_count].erase(fp_itr); + } + + symbol_table_.remove_function(name); + } + + private: + + symbol_table_t symbol_table_; + parser_t parser_; + std::map expr_map_; + std::vector fp_map_; + std::vector auxiliary_symtab_list_; + std::deque error_list_; + bool load_variables_; + bool load_vectors_; + }; // class function_compositor + +} // namespace exprtk + +#if defined(_MSC_VER) || defined(_WIN32) || defined(__WIN32__) || defined(WIN32) +# ifndef NOMINMAX +# define NOMINMAX +# endif +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# include +# include +#else +# include +# include +# include +#endif + +namespace exprtk +{ + class timer + { + public: + + #if defined(_MSC_VER) || defined(_WIN32) || defined(__WIN32__) || defined(WIN32) + timer() + : in_use_(false) + , start_time_{ {0, 0} } + , stop_time_ { {0, 0} } + { + QueryPerformanceFrequency(&clock_frequency_); + } + + inline void start() + { + in_use_ = true; + QueryPerformanceCounter(&start_time_); + } + + inline void stop() + { + QueryPerformanceCounter(&stop_time_); + in_use_ = false; + } + + inline double time() const + { + return (1.0 * (stop_time_.QuadPart - start_time_.QuadPart)) / (1.0 * clock_frequency_.QuadPart); + } + + #else + + timer() + : in_use_(false) + { + start_time_.tv_sec = 0; + start_time_.tv_usec = 0; + + stop_time_.tv_sec = 0; + stop_time_.tv_usec = 0; + } + + inline void start() + { + in_use_ = true; + gettimeofday(&start_time_,0); + } + + inline void stop() + { + gettimeofday(&stop_time_, 0); + in_use_ = false; + } + + inline unsigned long long int usec_time() const + { + if (!in_use_) + { + if (stop_time_.tv_sec >= start_time_.tv_sec) + { + return 1000000LLU * static_cast(stop_time_.tv_sec - start_time_.tv_sec ) + + static_cast(stop_time_.tv_usec - start_time_.tv_usec) ; + } + else + return std::numeric_limits::max(); + } + else + return std::numeric_limits::max(); + } + + inline double time() const + { + return usec_time() * 0.000001; + } + + #endif + + inline bool in_use() const + { + return in_use_; + } + + private: + + bool in_use_; + + #if defined(_MSC_VER) || defined(_WIN32) || defined(__WIN32__) || defined(WIN32) + LARGE_INTEGER start_time_; + LARGE_INTEGER stop_time_; + LARGE_INTEGER clock_frequency_; + #else + struct timeval start_time_; + struct timeval stop_time_; + #endif + }; + + template + struct type_defs + { + typedef symbol_table symbol_table_t; + typedef expression expression_t; + typedef parser parser_t; + typedef parser_error::type error_t; + typedef function_compositor compositor_t; + typedef typename compositor_t::function function_t; + }; + +} // namespace exprtk + +#ifndef exprtk_disable_rtl_io +namespace exprtk +{ + namespace rtl { namespace io { namespace details + { + template + inline void print_type(const std::string& fmt, + const T v, + exprtk::details::numeric::details::real_type_tag) + { + #if defined(__clang__) + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wformat-nonliteral" + #elif defined(__GNUC__) || defined(__GNUG__) + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wformat-nonliteral" + #elif defined(_MSC_VER) + #endif + + printf(fmt.c_str(), v); + + #if defined(__clang__) + #pragma clang diagnostic pop + #elif defined(__GNUC__) || defined(__GNUG__) + #pragma GCC diagnostic pop + #elif defined(_MSC_VER) + #endif + } + + template + struct print_impl + { + typedef typename igeneric_function::generic_type generic_type; + typedef typename igeneric_function::parameter_list_t parameter_list_t; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + typedef typename generic_type::string_view string_t; + typedef typename exprtk::details::numeric::details::number_type::type num_type; + + static void process(const std::string& scalar_format, parameter_list_t parameters) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + generic_type& gt = parameters[i]; + + switch (gt.type) + { + case generic_type::e_scalar : print(scalar_format,scalar_t(gt)); + break; + + case generic_type::e_vector : print(scalar_format,vector_t(gt)); + break; + + case generic_type::e_string : print(string_t(gt)); + break; + + default : continue; + } + } + } + + static inline void print(const std::string& scalar_format, const scalar_t& s) + { + print_type(scalar_format,s(),num_type()); + } + + static inline void print(const std::string& scalar_format, const vector_t& v) + { + for (std::size_t i = 0; i < v.size(); ++i) + { + print_type(scalar_format,v[i],num_type()); + + if ((i + 1) < v.size()) + printf(" "); + } + } + + static inline void print(const string_t& s) + { + printf("%s",to_str(s).c_str()); + } + }; + + } // namespace exprtk::rtl::io::details + + template + struct print exprtk_final : public exprtk::igeneric_function + { + typedef typename igeneric_function::parameter_list_t parameter_list_t; + + using exprtk::igeneric_function::operator(); + + explicit print(const std::string& scalar_format = "%10.5f") + : scalar_format_(scalar_format) + { + exprtk::enable_zero_parameters(*this); + } + + inline T operator() (parameter_list_t parameters) exprtk_override + { + details::print_impl::process(scalar_format_,parameters); + return T(0); + } + + std::string scalar_format_; + }; + + template + struct println exprtk_final : public exprtk::igeneric_function + { + typedef typename igeneric_function::parameter_list_t parameter_list_t; + + using exprtk::igeneric_function::operator(); + + explicit println(const std::string& scalar_format = "%10.5f") + : scalar_format_(scalar_format) + { + exprtk::enable_zero_parameters(*this); + } + + inline T operator() (parameter_list_t parameters) exprtk_override + { + details::print_impl::process(scalar_format_,parameters); + printf("\n"); + return T(0); + } + + std::string scalar_format_; + }; + + template + struct package + { + print p; + println pl; + + bool register_package(exprtk::symbol_table& symtab) + { + #define exprtk_register_function(FunctionName, FunctionType) \ + if (!symtab.add_function(FunctionName,FunctionType)) \ + { \ + exprtk_debug(( \ + "exprtk::rtl::io::register_package - Failed to add function: %s\n", \ + FunctionName)); \ + return false; \ + } \ + + exprtk_register_function("print" , p ) + exprtk_register_function("println", pl) + #undef exprtk_register_function + + return true; + } + }; + + } // namespace exprtk::rtl::io + } // namespace exprtk::rtl +} // namespace exprtk +#endif + +#ifndef exprtk_disable_rtl_io_file +#include +namespace exprtk +{ + namespace rtl { namespace io { namespace file { namespace details + { + using ::exprtk::details::char_ptr; + using ::exprtk::details::char_cptr; + + enum file_mode + { + e_error = 0, + e_read = 1, + e_write = 2, + e_rdwrt = 4 + }; + + struct file_descriptor + { + file_descriptor(const std::string& fname, const std::string& access) + : stream_ptr(0) + , mode(get_file_mode(access)) + , file_name(fname) + {} + + void* stream_ptr; + file_mode mode; + std::string file_name; + + bool open() + { + if (e_read == mode) + { + std::ifstream* stream = new std::ifstream(file_name.c_str(),std::ios::binary); + + if (!(*stream)) + { + file_name.clear(); + delete stream; + + return false; + } + + stream_ptr = stream; + + return true; + } + else if (e_write == mode) + { + std::ofstream* stream = new std::ofstream(file_name.c_str(),std::ios::binary); + + if (!(*stream)) + { + file_name.clear(); + delete stream; + + return false; + } + + stream_ptr = stream; + + return true; + } + else if (e_rdwrt == mode) + { + std::fstream* stream = new std::fstream(file_name.c_str(),std::ios::binary); + + if (!(*stream)) + { + file_name.clear(); + delete stream; + + return false; + } + + stream_ptr = stream; + + return true; + } + + return false; + } + + template + void close(Ptr& p) + { + Stream* stream = reinterpret_cast(p); + stream->close(); + delete stream; + p = reinterpret_cast(0); + } + + bool close() + { + switch (mode) + { + case e_read : close(stream_ptr); + break; + + case e_write : close(stream_ptr); + break; + + case e_rdwrt : close (stream_ptr); + break; + + default : return false; + } + + return true; + } + + template + bool write(const View& view, const std::size_t amount, const std::size_t offset = 0) + { + switch (mode) + { + case e_write : reinterpret_cast(stream_ptr)-> + write(reinterpret_cast(view.begin() + offset), amount * sizeof(typename View::value_t)); + break; + + case e_rdwrt : reinterpret_cast(stream_ptr)-> + write(reinterpret_cast(view.begin() + offset) , amount * sizeof(typename View::value_t)); + break; + + default : return false; + } + + return true; + } + + template + bool read(View& view, const std::size_t amount, const std::size_t offset = 0) + { + switch (mode) + { + case e_read : reinterpret_cast(stream_ptr)-> + read(reinterpret_cast(view.begin() + offset), amount * sizeof(typename View::value_t)); + break; + + case e_rdwrt : reinterpret_cast(stream_ptr)-> + read(reinterpret_cast(view.begin() + offset) , amount * sizeof(typename View::value_t)); + break; + + default : return false; + } + + return true; + } + + bool getline(std::string& s) + { + switch (mode) + { + case e_read : return (!!std::getline(*reinterpret_cast(stream_ptr),s)); + case e_rdwrt : return (!!std::getline(*reinterpret_cast(stream_ptr),s)); + default : return false; + } + } + + bool eof() const + { + switch (mode) + { + case e_read : return reinterpret_cast(stream_ptr)->eof(); + case e_write : return reinterpret_cast(stream_ptr)->eof(); + case e_rdwrt : return reinterpret_cast(stream_ptr)->eof(); + default : return true; + } + } + + file_mode get_file_mode(const std::string& access) const + { + if (access.empty() || access.size() > 2) + return e_error; + + std::size_t w_cnt = 0; + std::size_t r_cnt = 0; + + for (std::size_t i = 0; i < access.size(); ++i) + { + switch (std::tolower(access[i])) + { + case 'r' : r_cnt++; break; + case 'w' : w_cnt++; break; + default : return e_error; + } + } + + if ((0 == r_cnt) && (0 == w_cnt)) + return e_error; + else if ((r_cnt > 1) || (w_cnt > 1)) + return e_error; + else if ((1 == r_cnt) && (1 == w_cnt)) + return e_rdwrt; + else if (1 == r_cnt) + return e_read; + else + return e_write; + } + }; + + template + file_descriptor* make_handle(T v) + { + const std::size_t fd_size = sizeof(details::file_descriptor*); + details::file_descriptor* fd = reinterpret_cast(0); + + std::memcpy(reinterpret_cast(&fd), + reinterpret_cast(&v ), + fd_size); + return fd; + } + + template + void perform_check() + { + #ifdef _MSC_VER + #pragma warning(push) + #pragma warning(disable: 4127) + #endif + if (sizeof(T) < sizeof(void*)) + { + throw std::runtime_error("exprtk::rtl::io::file - Error - pointer size larger than holder."); + } + #ifdef _MSC_VER + #pragma warning(pop) + #endif + assert(sizeof(T) <= sizeof(void*)); + } + + } // namespace exprtk::rtl::io::file::details + + template + class open exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::string_view string_t; + + using igfun_t::operator(); + + open() + : exprtk::igeneric_function("S|SS") + { details::perform_check(); } + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const std::string file_name = to_str(string_t(parameters[0])); + + if (file_name.empty()) + { + return T(0); + } + + if ((1 == ps_index) && (0 == string_t(parameters[1]).size())) + { + return T(0); + } + + const std::string access = + (0 == ps_index) ? "r" : to_str(string_t(parameters[1])); + + details::file_descriptor* fd = new details::file_descriptor(file_name,access); + + if (fd->open()) + { + T t = T(0); + + const std::size_t fd_size = sizeof(details::file_descriptor*); + + std::memcpy(reinterpret_cast(&t ), + reinterpret_cast(&fd), + fd_size); + return t; + } + else + { + delete fd; + return T(0); + } + } + }; + + template + struct close exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + close() + : exprtk::ifunction(1) + { details::perform_check(); } + + inline T operator() (const T& v) exprtk_override + { + details::file_descriptor* fd = details::make_handle(v); + + if (!fd->close()) + return T(0); + + delete fd; + + return T(1); + } + }; + + template + class write exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::string_view string_t; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + write() + : igfun_t("TS|TST|TV|TVT") + { details::perform_check(); } + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + details::file_descriptor* fd = details::make_handle(scalar_t(parameters[0])()); + + switch (ps_index) + { + case 0 : { + const string_t buffer(parameters[1]); + const std::size_t amount = buffer.size(); + return T(fd->write(buffer, amount) ? 1 : 0); + } + + case 1 : { + const string_t buffer(parameters[1]); + const std::size_t amount = + std::min(buffer.size(), + static_cast(scalar_t(parameters[2])())); + return T(fd->write(buffer, amount) ? 1 : 0); + } + + case 2 : { + const vector_t vec(parameters[1]); + const std::size_t amount = vec.size(); + return T(fd->write(vec, amount) ? 1 : 0); + } + + case 3 : { + const vector_t vec(parameters[1]); + const std::size_t amount = + std::min(vec.size(), + static_cast(scalar_t(parameters[2])())); + return T(fd->write(vec, amount) ? 1 : 0); + } + } + + return T(0); + } + }; + + template + class read exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::string_view string_t; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + read() + : igfun_t("TS|TST|TV|TVT") + { details::perform_check(); } + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + details::file_descriptor* fd = details::make_handle(scalar_t(parameters[0])()); + + switch (ps_index) + { + case 0 : { + string_t buffer(parameters[1]); + const std::size_t amount = buffer.size(); + return T(fd->read(buffer,amount) ? 1 : 0); + } + + case 1 : { + string_t buffer(parameters[1]); + const std::size_t amount = + std::min(buffer.size(), + static_cast(scalar_t(parameters[2])())); + return T(fd->read(buffer,amount) ? 1 : 0); + } + + case 2 : { + vector_t vec(parameters[1]); + const std::size_t amount = vec.size(); + return T(fd->read(vec,amount) ? 1 : 0); + } + + case 3 : { + vector_t vec(parameters[1]); + const std::size_t amount = + std::min(vec.size(), + static_cast(scalar_t(parameters[2])())); + return T(fd->read(vec,amount) ? 1 : 0); + } + } + + return T(0); + } + }; + + template + class getline exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::string_view string_t; + typedef typename generic_type::scalar_view scalar_t; + + using igfun_t::operator(); + + getline() + : igfun_t("T",igfun_t::e_rtrn_string) + { details::perform_check(); } + + inline T operator() (std::string& result, parameter_list_t parameters) exprtk_override + { + details::file_descriptor* fd = details::make_handle(scalar_t(parameters[0])()); + return T(fd->getline(result) ? 1 : 0); + } + }; + + template + struct eof exprtk_final : public exprtk::ifunction + { + using exprtk::ifunction::operator(); + + eof() + : exprtk::ifunction(1) + { details::perform_check(); } + + inline T operator() (const T& v) exprtk_override + { + details::file_descriptor* fd = details::make_handle(v); + return (fd->eof() ? T(1) : T(0)); + } + }; + + template + struct package + { + open o; + close c; + write w; + read r; + getline g; + eof e; + + bool register_package(exprtk::symbol_table& symtab) + { + #define exprtk_register_function(FunctionName, FunctionType) \ + if (!symtab.add_function(FunctionName,FunctionType)) \ + { \ + exprtk_debug(( \ + "exprtk::rtl::io::file::register_package - Failed to add function: %s\n", \ + FunctionName)); \ + return false; \ + } \ + + exprtk_register_function("open" , o) + exprtk_register_function("close" , c) + exprtk_register_function("write" , w) + exprtk_register_function("read" , r) + exprtk_register_function("getline" , g) + exprtk_register_function("eof" , e) + #undef exprtk_register_function + + return true; + } + }; + + } // namespace exprtk::rtl::io::file + } // namespace exprtk::rtl::io + } // namespace exprtk::rtl +} // namespace exprtk +#endif + +#ifndef exprtk_disable_rtl_vecops +namespace exprtk +{ + namespace rtl { namespace vecops { + + namespace helper + { + template + inline bool invalid_range(const Vector& v, const std::size_t r0, const std::size_t r1) + { + if (r0 > (v.size() - 1)) + return true; + else if (r1 > (v.size() - 1)) + return true; + else if (r1 < r0) + return true; + else + return false; + } + + template + struct load_vector_range + { + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + static inline bool process(parameter_list_t& parameters, + std::size_t& r0, std::size_t& r1, + const std::size_t& r0_prmidx, + const std::size_t& r1_prmidx, + const std::size_t vec_idx = 0) + { + if (r0_prmidx >= parameters.size()) + return false; + + if (r1_prmidx >= parameters.size()) + return false; + + if (!scalar_t(parameters[r0_prmidx]).to_uint(r0)) + return false; + + if (!scalar_t(parameters[r1_prmidx]).to_uint(r1)) + return false; + + return !invalid_range(vector_t(parameters[vec_idx]), r0, r1); + } + }; + } + + namespace details + { + template + inline void kahan_sum(T& sum, T& error, const T v) + { + const T x = v - error; + const T y = sum + x; + error = (y - sum) - x; + sum = y; + } + + } // namespace exprtk::rtl::details + + template + class all_true exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + all_true() + : exprtk::igeneric_function("V|VTT|T*") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. T* - T....T + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + if (2 == ps_index) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + if (scalar_t(parameters[i])() == T(0)) + { + return T(0); + } + } + } + else + { + const vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] == T(0)) + { + return T(0); + } + } + } + + return T(1); + } + }; + + template + class all_false exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + all_false() + : exprtk::igeneric_function("V|VTT|T*") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. T* - T....T + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + if (2 == ps_index) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + if (scalar_t(parameters[i])() != T(0)) + { + return T(0); + } + } + } + else + { + const vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] != T(0)) + { + return T(0); + } + } + } + + return T(1); + } + }; + + template + class any_true exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + any_true() + : exprtk::igeneric_function("V|VTT|T*") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. T* - T....T + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + if (2 == ps_index) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + if (scalar_t(parameters[i])() != T(0)) + { + return T(1); + } + } + } + else + { + const vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] != T(0)) + { + return T(1); + } + } + } + + return T(0); + } + }; + + template + class any_false exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + any_false() + : exprtk::igeneric_function("V|VTT|T*") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. T* - T....T + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + if (2 == ps_index) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + if (scalar_t(parameters[i])() == T(0)) + { + return T(1); + } + } + } + else + { + const vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] == T(0)) + { + return T(1); + } + } + } + + return T(0); + } + }; + + template + class count exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + count() + : exprtk::igeneric_function("V|VTT|T*") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. T* - T....T + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + std::size_t cnt = 0; + + if (2 == ps_index) + { + for (std::size_t i = 0; i < parameters.size(); ++i) + { + if (scalar_t(parameters[i])() != T(0)) ++cnt; + } + } + else + { + const vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] != T(0)) ++cnt; + } + } + + return T(cnt); + } + }; + + template + class copy exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + copy() + : exprtk::igeneric_function("VV|VTTVTT") + /* + Overloads: + 0. VV - x(vector), y(vector) + 1. VTTVTT - x(vector), xr0, xr1, y(vector), yr0, yr1, + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[0]); + vector_t y(parameters[(0 == ps_index) ? 1 : 3]); + + std::size_t xr0 = 0; + std::size_t xr1 = x.size() - 1; + + std::size_t yr0 = 0; + std::size_t yr1 = y.size() - 1; + + if (1 == ps_index) + { + if ( + !helper::load_vector_range::process(parameters, xr0, xr1, 1, 2, 0) || + !helper::load_vector_range::process(parameters, yr0, yr1, 4, 5, 3) + ) + return T(0); + } + + const std::size_t n = std::min(xr1 - xr0 + 1, yr1 - yr0 + 1); + + std::copy( + x.begin() + xr0, + x.begin() + xr0 + n, + y.begin() + yr0); + + return T(n); + } + }; + + template + class rol exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + rol() + : exprtk::igeneric_function("VT|VTTT") + /* + Overloads: + 0. VT - vector, N + 1. VTTT - vector, N, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t n = 0; + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if (!scalar_t(parameters[1]).to_uint(n)) + return T(0); + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0) + ) + return T(0); + + const std::size_t dist = r1 - r0 + 1; + const std::size_t shift = n % dist; + + std::rotate( + vec.begin() + r0, + vec.begin() + r0 + shift, + vec.begin() + r1 + 1); + + return T(1); + } + }; + + template + class ror exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + ror() + : exprtk::igeneric_function("VT|VTTT") + /* + Overloads: + 0. VT - vector, N + 1. VTTT - vector, N, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t n = 0; + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if (!scalar_t(parameters[1]).to_uint(n)) + return T(0); + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0) + ) + return T(0); + + const std::size_t dist = r1 - r0 + 1; + const std::size_t shift = (dist - (n % dist)) % dist; + + std::rotate( + vec.begin() + r0, + vec.begin() + r0 + shift, + vec.begin() + r1 + 1); + + return T(1); + } + }; + + template + class reverse exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + reverse() + : exprtk::igeneric_function("V|VTT") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + return T(0); + + std::reverse(vec.begin() + r0, vec.begin() + r1 + 1); + + return T(1); + } + }; + + template + class shift_left exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + shift_left() + : exprtk::igeneric_function("VT|VTTT") + /* + Overloads: + 0. VT - vector, N + 1. VTTT - vector, N, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t n = 0; + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if (!scalar_t(parameters[1]).to_uint(n)) + return T(0); + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0) + ) + return T(0); + + const std::size_t dist = r1 - r0 + 1; + + if (n > dist) + return T(0); + + std::rotate( + vec.begin() + r0, + vec.begin() + r0 + n, + vec.begin() + r1 + 1); + + for (std::size_t i = r1 - n + 1ULL; i <= r1; ++i) + { + vec[i] = T(0); + } + + return T(1); + } + }; + + template + class shift_right exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + shift_right() + : exprtk::igeneric_function("VT|VTTT") + /* + Overloads: + 0. VT - vector, N + 1. VTTT - vector, N, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t n = 0; + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if (!scalar_t(parameters[1]).to_uint(n)) + return T(0); + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0) + ) + return T(0); + + const std::size_t dist = r1 - r0 + 1; + + if (n > dist) + return T(0); + + const std::size_t shift = (dist - (n % dist)) % dist; + + std::rotate( + vec.begin() + r0, + vec.begin() + r0 + shift, + vec.begin() + r1 + 1); + + for (std::size_t i = r0; i < r0 + n; ++i) + { + vec[i] = T(0); + } + + return T(1); + } + }; + + template + class sort exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::string_view string_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + sort() + : exprtk::igeneric_function("V|VTT|VS|VSTT") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. VS - vector, string + 3. VSTT - vector, string, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0)) + return T(0); + if ((3 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0)) + return T(0); + + bool ascending = true; + + if ((2 == ps_index) || (3 == ps_index)) + { + if (exprtk::details::imatch(to_str(string_t(parameters[1])),"ascending")) + ascending = true; + else if (exprtk::details::imatch(to_str(string_t(parameters[1])),"descending")) + ascending = false; + else + return T(0); + } + + if (ascending) + std::sort( + vec.begin() + r0, + vec.begin() + r1 + 1, + std::less()); + else + std::sort( + vec.begin() + r0, + vec.begin() + r1 + 1, + std::greater()); + + return T(1); + } + }; + + template + class nthelement exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + nthelement() + : exprtk::igeneric_function("VT|VTTT") + /* + Overloads: + 0. VT - vector, nth-element + 1. VTTT - vector, nth-element, r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + std::size_t n = 0; + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if (!scalar_t(parameters[1]).to_uint(n)) + return T(0); + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0)) + { + return std::numeric_limits::quiet_NaN(); + } + + std::nth_element( + vec.begin() + r0, + vec.begin() + r0 + n , + vec.begin() + r1 + 1); + + return T(1); + } + }; + + template + class assign exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + assign() + : exprtk::igeneric_function("VT|VTTT|VTTTT") + /* + Overloads: + 0. VT - vector, V + 1. VTTT - vector, V, r0, r1 + 2. VTTTT - vector, V, r0, r1, SS + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + const T assign_value = scalar_t(parameters[1]); + + const std::size_t step_size = (2 != ps_index) ? 1 : + static_cast(scalar_t(parameters.back())()); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + ((ps_index == 1) || (ps_index == 2)) && + !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0) + ) + { + return T(0); + } + + for (std::size_t i = r0; i <= r1; i += step_size) + { + vec[i] = assign_value; + } + + return T(1); + } + }; + + template + class iota exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + iota() + : exprtk::igeneric_function("VTT|VT|VTTTT|VTTT") + /* + Overloads: + 0. VTT - vector, SV, SS + 1. VT - vector, SV, SS (+1) + 2. VTTT - vector, r0, r1, SV, SS + 3. VTT - vector, r0, r1, SV, SS (+1) + + Where: + 1. SV - Start value + 2. SS - Step size + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + const T start_value = (ps_index <= 1) ? + scalar_t(parameters[1]) : + scalar_t(parameters[3]) ; + + const T step_size = ((0 == ps_index) || (2 == ps_index)) ? + scalar_t(parameters.back())() : + T(1) ; + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + ((ps_index == 2) || (ps_index == 3)) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return T(0); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + vec[i] = start_value + ((i - r0) * step_size); + } + + return T(1); + } + }; + + template + class sumk exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + sumk() + : exprtk::igeneric_function("V|VTT|VTTT") + /* + Overloads: + 0. V - vector + 1. VTT - vector, r0, r1 + 2. VTTT - vector, r0, r1, stride + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t vec(parameters[0]); + + const std::size_t stride = (2 != ps_index) ? 1 : + static_cast(scalar_t(parameters[3])()); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + ((1 == ps_index) || (2 == ps_index)) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return std::numeric_limits::quiet_NaN(); + } + + T result = T(0); + T error = T(0); + + for (std::size_t i = r0; i <= r1; i += stride) + { + details::kahan_sum(result, error, vec[i]); + } + + return result; + } + }; + + template + class axpy exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpy() + : exprtk::igeneric_function("TVV|TVVTT") + /* + y <- ax + y + Overloads: + 0. TVV - a, x(vector), y(vector) + 1. TVVTT - a, x(vector), y(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + vector_t y(parameters[2]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 3, 4, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + + for (std::size_t i = r0; i <= r1; ++i) + { + y[i] = (a * x[i]) + y[i]; + } + + return T(1); + } + }; + + template + class axpby exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpby() + : exprtk::igeneric_function("TVTV|TVTVTT") + /* + y <- ax + by + Overloads: + 0. TVTV - a, x(vector), b, y(vector) + 1. TVTVTT - a, x(vector), b, y(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + vector_t y(parameters[3]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 4, 5, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + const T b = scalar_t(parameters[2])(); + + for (std::size_t i = r0; i <= r1; ++i) + { + y[i] = (a * x[i]) + (b * y[i]); + } + + return T(1); + } + }; + + template + class axpyz exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpyz() + : exprtk::igeneric_function("TVVV|TVVVTT") + /* + z <- ax + y + Overloads: + 0. TVVV - a, x(vector), y(vector), z(vector) + 1. TVVVTT - a, x(vector), y(vector), z(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + const vector_t y(parameters[2]); + vector_t z(parameters[3]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 4, 5, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(z, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + + for (std::size_t i = r0; i <= r1; ++i) + { + z[i] = (a * x[i]) + y[i]; + } + + return T(1); + } + }; + + template + class axpbyz exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpbyz() + : exprtk::igeneric_function("TVTVV|TVTVVTT") + /* + z <- ax + by + Overloads: + 0. TVTVV - a, x(vector), b, y(vector), z(vector) + 1. TVTVVTT - a, x(vector), b, y(vector), z(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + const vector_t y(parameters[3]); + vector_t z(parameters[4]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 5, 6, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(z, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + const T b = scalar_t(parameters[2])(); + + for (std::size_t i = r0; i <= r1; ++i) + { + z[i] = (a * x[i]) + (b * y[i]); + } + + return T(1); + } + }; + + template + class axpbsy exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpbsy() + : exprtk::igeneric_function("TVTTV|TVTTVTT") + /* + y <- ax + by + Overloads: + 0. TVTVV - a, x(vector), b, shift, y(vector), z(vector) + 1. TVTVVTT - a, x(vector), b, shift, y(vector), z(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + vector_t y(parameters[4]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 5, 6, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + const T b = scalar_t(parameters[2])(); + + const std::size_t s = static_cast(scalar_t(parameters[3])()); + + for (std::size_t i = r0; i <= r1; ++i) + { + y[i] = (a * x[i]) + (b * y[i + s]); + } + + return T(1); + } + }; + + template + class axpbsyz exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpbsyz() + : exprtk::igeneric_function("TVTTVV|TVTTVVTT") + /* + z <- ax + by + Overloads: + 0. TVTVV - a, x(vector), b, shift, y(vector), z(vector) + 1. TVTVVTT - a, x(vector), b, shift, y(vector), z(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + const vector_t y(parameters[4]); + vector_t z(parameters[5]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 6, 7, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(z, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + const T b = scalar_t(parameters[2])(); + + const std::size_t s = static_cast(scalar_t(parameters[3])()); + + for (std::size_t i = r0; i <= r1; ++i) + { + z[i] = (a * x[i]) + (b * y[i + s]); + } + + return T(1); + } + }; + + template + class axpbz exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + axpbz() + : exprtk::igeneric_function("TVTV|TVTVTT") + /* + z <- ax + b + Overloads: + 0. TVTV - a, x(vector), b, z(vector) + 1. TVTVTT - a, x(vector), b, z(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[1]); + vector_t z(parameters[3]); + + std::size_t r0 = 0; + std::size_t r1 = x.size() - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 4, 5, 1)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(z, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + const T a = scalar_t(parameters[0])(); + const T b = scalar_t(parameters[2])(); + + for (std::size_t i = r0; i <= r1; ++i) + { + z[i] = (a * x[i]) + b; + } + + return T(1); + } + }; + + template + class diff exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + diff() + : exprtk::igeneric_function("VV|VVT") + /* + x_(i - stride) - x_i + Overloads: + 0. VV - x(vector), y(vector) + 1. VVT - x(vector), y(vector), stride + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[0]); + vector_t y(parameters[1]); + + const std::size_t r0 = 0; + const std::size_t r1 = std::min(x.size(),y.size()) - 1; + + const std::size_t stride = (1 != ps_index) ? 1 : + std::min(r1,static_cast(scalar_t(parameters[2])())); + + for (std::size_t i = 0; i < stride; ++i) + { + y[i] = std::numeric_limits::quiet_NaN(); + } + + for (std::size_t i = (r0 + stride); i <= r1; ++i) + { + y[i] = x[i] - x[i - stride]; + } + + return T(1); + } + }; + + template + class dot exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + dot() + : exprtk::igeneric_function("VV|VVTT") + /* + Overloads: + 0. VV - x(vector), y(vector) + 1. VVTT - x(vector), y(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[0]); + const vector_t y(parameters[1]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + T result = T(0); + + for (std::size_t i = r0; i <= r1; ++i) + { + result += (x[i] * y[i]); + } + + return result; + } + }; + + template + class dotk exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + dotk() + : exprtk::igeneric_function("VV|VVTT") + /* + Overloads: + 0. VV - x(vector), y(vector) + 1. VVTT - x(vector), y(vector), r0, r1 + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + const vector_t x(parameters[0]); + const vector_t y(parameters[1]); + + std::size_t r0 = 0; + std::size_t r1 = std::min(x.size(),y.size()) - 1; + + if ((1 == ps_index) && !helper::load_vector_range::process(parameters, r0, r1, 2, 3, 0)) + return std::numeric_limits::quiet_NaN(); + else if (helper::invalid_range(y, r0, r1)) + return std::numeric_limits::quiet_NaN(); + + T result = T(0); + T error = T(0); + + for (std::size_t i = r0; i <= r1; ++i) + { + details::kahan_sum(result, error, (x[i] * y[i])); + } + + return result; + } + }; + + template + class threshold_below exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + threshold_below() + : exprtk::igeneric_function("VTT|VTTTT") + /* + Overloads: + 0. VTT - vector, TV, SV + 1. VTTTT - vector, r0, r1, TV, SV + + Where: + TV - Threshold value + SV - Snap-to value + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + const T threshold_value = (0 == ps_index) ? + scalar_t(parameters[1]) : + scalar_t(parameters[3]) ; + + const T snap_value = scalar_t(parameters.back()); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return T(0); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] < threshold_value) + { + vec[i] = snap_value; + } + } + + return T(1); + } + }; + + template + class threshold_above exprtk_final : public exprtk::igeneric_function + { + public: + + typedef typename exprtk::igeneric_function igfun_t; + typedef typename igfun_t::parameter_list_t parameter_list_t; + typedef typename igfun_t::generic_type generic_type; + typedef typename generic_type::scalar_view scalar_t; + typedef typename generic_type::vector_view vector_t; + + using igfun_t::operator(); + + threshold_above() + : exprtk::igeneric_function("VTT|VTTTT") + /* + Overloads: + 0. VTT - vector, TV, SV + 1. VTTTT - vector, r0, r1, TV, SV + + Where: + TV - Threshold value + SV - Snap-to value + */ + {} + + inline T operator() (const std::size_t& ps_index, parameter_list_t parameters) exprtk_override + { + vector_t vec(parameters[0]); + + const T threshold_value = (0 == ps_index) ? + scalar_t(parameters[1]) : + scalar_t(parameters[3]) ; + + const T snap_value = scalar_t(parameters.back()); + + std::size_t r0 = 0; + std::size_t r1 = vec.size() - 1; + + if ( + (1 == ps_index) && + !helper::load_vector_range::process(parameters, r0, r1, 1, 2, 0) + ) + { + return T(0); + } + + for (std::size_t i = r0; i <= r1; ++i) + { + if (vec[i] > threshold_value) + { + vec[i] = snap_value; + } + } + + return T(1); + } + }; + + template + struct package + { + all_true at; + all_false af; + any_true nt; + any_false nf; + count c; + copy cp; + rol rl; + ror rr; + reverse rev; + shift_left sl; + shift_right sr; + sort st; + nthelement ne; + assign an; + iota ia; + sumk sk; + axpy b1_axpy; + axpby b1_axpby; + axpyz b1_axpyz; + axpbyz b1_axpbyz; + axpbsy b1_axpbsy; + axpbsyz b1_axpbsyz; + axpbz b1_axpbz; + diff df; + dot dt; + dotk dtk; + threshold_above ta; + threshold_below tb; + + bool register_package(exprtk::symbol_table& symtab) + { + #define exprtk_register_function(FunctionName, FunctionType) \ + if (!symtab.add_function(FunctionName,FunctionType)) \ + { \ + exprtk_debug(( \ + "exprtk::rtl::vecops::register_package - Failed to add function: %s\n", \ + FunctionName)); \ + return false; \ + } \ + + exprtk_register_function("all_true" , at ) + exprtk_register_function("all_false" , af ) + exprtk_register_function("any_true" , nt ) + exprtk_register_function("any_false" , nf ) + exprtk_register_function("count" , c ) + exprtk_register_function("copy" , cp ) + exprtk_register_function("rotate_left" , rl ) + exprtk_register_function("rol" , rl ) + exprtk_register_function("rotate_right" , rr ) + exprtk_register_function("ror" , rr ) + exprtk_register_function("reverse" , rev ) + exprtk_register_function("shftl" , sl ) + exprtk_register_function("shftr" , sr ) + exprtk_register_function("sort" , st ) + exprtk_register_function("nth_element" , ne ) + exprtk_register_function("assign" , an ) + exprtk_register_function("iota" , ia ) + exprtk_register_function("sumk" , sk ) + exprtk_register_function("axpy" , b1_axpy ) + exprtk_register_function("axpby" , b1_axpby ) + exprtk_register_function("axpyz" , b1_axpyz ) + exprtk_register_function("axpbyz" , b1_axpbyz ) + exprtk_register_function("axpbsy" , b1_axpbsy ) + exprtk_register_function("axpbsyz" , b1_axpbsyz) + exprtk_register_function("axpbz" , b1_axpbz ) + exprtk_register_function("diff" , df ) + exprtk_register_function("dot" , dt ) + exprtk_register_function("dotk" , dtk ) + exprtk_register_function("threshold_above" , ta ) + exprtk_register_function("threshold_below" , tb ) + #undef exprtk_register_function + + return true; + } + }; + + } // namespace exprtk::rtl::vecops + } // namespace exprtk::rtl +} // namespace exprtk +#endif + +namespace exprtk +{ + namespace information + { + using ::exprtk::details::char_cptr; + + static char_cptr library = "Mathematical Expression Toolkit"; + static char_cptr version = "2.718281828459045235360287471352662497757" + "24709369995957496696762772407663035354759" + "45713821785251664274274663919320030599218" + "17413596629043572900334295260595630738132"; + static char_cptr date = "20240101"; + static char_cptr min_cpp = "199711L"; + + static inline std::string data() + { + static const std::string info_str = std::string(library) + + std::string(" v") + std::string(version) + + std::string(" (") + date + std::string(")") + + std::string(" (") + min_cpp + std::string(")"); + return info_str; + } + + } // namespace information + + #ifdef exprtk_debug + #undef exprtk_debug + #endif + + #ifdef exprtk_error_location + #undef exprtk_error_location + #endif + + #ifdef exprtk_fallthrough + #undef exprtk_fallthrough + #endif + + #ifdef exprtk_override + #undef exprtk_override + #endif + + #ifdef exprtk_final + #undef exprtk_final + #endif + + #ifdef exprtk_delete + #undef exprtk_delete + #endif + +} // namespace exprtk + +#endif diff --git a/src/common/CalculatorEngineCommon/packages.config b/src/common/CalculatorEngineCommon/packages.config new file mode 100644 index 0000000000..d83224ba6f --- /dev/null +++ b/src/common/CalculatorEngineCommon/packages.config @@ -0,0 +1,4 @@ + + + + \ No newline at end of file diff --git a/src/common/CalculatorEngineCommon/pch.cpp b/src/common/CalculatorEngineCommon/pch.cpp new file mode 100644 index 0000000000..bcb5590be1 --- /dev/null +++ b/src/common/CalculatorEngineCommon/pch.cpp @@ -0,0 +1 @@ +#include "pch.h" diff --git a/src/common/CalculatorEngineCommon/pch.h b/src/common/CalculatorEngineCommon/pch.h new file mode 100644 index 0000000000..21199686d5 --- /dev/null +++ b/src/common/CalculatorEngineCommon/pch.h @@ -0,0 +1,4 @@ +#pragma once +#include +#include +#include diff --git a/src/common/CalculatorEngineCommon/readme.md b/src/common/CalculatorEngineCommon/readme.md new file mode 100644 index 0000000000..1455e8f1aa --- /dev/null +++ b/src/common/CalculatorEngineCommon/readme.md @@ -0,0 +1,29 @@ +# C++/WinRT CalculatorEngine Project Overview + +This project wraps the exprtk expression parsing library with a C++/WinRT component, +making advanced mathematical evaluation capabilities available to Windows applications. +It is designed specifically to provide calculation support for the CmdPal calculator extension. + +## Using exprtk + +This project uses [exprtk](https://github.com/ArashPartow/exprtk) as the +expression parsing and evaluation engine. + +How to use exprtk in this project: +- The exprtk header file (`exprtk.hpp`) is included in the project source. +- You can use exprtk to parse and evaluate mathematical expressions in your + C++ code. For example: + + ```cpp + #include "exprtk.hpp" + exprtk::expression expression; + exprtk::parser parser; + std::string formula = "3 + 4 * 2"; + parser.compile(formula, expression); + double result = expression.value(); + ``` + +How to update exprtk: +1. Download the latest `exprtk.hpp` from the [official repository](https://github.com/ArashPartow/exprtk). +2. Replace the existing `exprtk.hpp` file in the project with the new version. +3. Rebuild the project to ensure compatibility and take advantage of any updates. \ No newline at end of file diff --git a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/CalculateEngine.cs b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/CalculateEngine.cs index 0d6f9536db..35e53b0e95 100644 --- a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/CalculateEngine.cs +++ b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/CalculateEngine.cs @@ -6,20 +6,20 @@ using System; using System.Collections.Generic; using System.Globalization; using System.Text.RegularExpressions; - -using Mages.Core; +using CalculatorEngineCommon; +using Windows.Foundation.Collections; namespace Microsoft.CmdPal.Ext.Calc.Helper; public static class CalculateEngine { - private static readonly Engine _magesEngine = new Engine(new Configuration + private static readonly PropertySet _constants = new() { - Scope = new Dictionary - { - { "e", Math.E }, // e is not contained in the default mages engine - }, - }); + { "pi", Math.PI }, + { "e", Math.E }, + }; + + private static readonly Calculator _calculator = new Calculator(_constants); public const int RoundingDigits = 10; @@ -68,28 +68,26 @@ public static class CalculateEngine // Expand conversions between trig units input = CalculateHelper.ExpandTrigConversions(input, trigMode); - var result = _magesEngine.Interpret(input); + var result = _calculator.EvaluateExpression(input); // This could happen for some incorrect queries, like pi(2) - if (result == null) + if (result == "NaN") { error = Properties.Resources.calculator_expression_not_complete; return default; } - result = TransformResult(result); - if (result is string) - { - error = result as string; - return default; - } - - if (string.IsNullOrEmpty(result?.ToString())) + if (string.IsNullOrEmpty(result)) { return default; } var decimalResult = Convert.ToDecimal(result, cultureInfo); + + // Remove trailing zeros from the decimal string representation (e.g., "1.2300" -> "1.23") + // This is necessary because the value extracted from exprtk may contain unnecessary trailing zeros. + var formatted = decimalResult.ToString("G29", cultureInfo); + decimalResult = Convert.ToDecimal(formatted, cultureInfo); var roundedResult = Round(decimalResult); return new CalculateResult() @@ -103,25 +101,4 @@ public static class CalculateEngine { return Math.Round(value, RoundingDigits, MidpointRounding.AwayFromZero); } - - private static dynamic TransformResult(object result) - { - if (result.ToString() == "NaN") - { - return Properties.Resources.calculator_not_a_number; - } - - if (result is Function) - { - return Properties.Resources.calculator_expression_not_complete; - } - - if (result is double[,]) - { - // '[10,10]' is interpreted as array by mages engine - return Properties.Resources.calculator_double_array_returned; - } - - return result; - } } diff --git a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/NumberTranslator.cs b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/NumberTranslator.cs index 8de77ebdae..6930e2fa23 100644 --- a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/NumberTranslator.cs +++ b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/NumberTranslator.cs @@ -3,6 +3,7 @@ // See the LICENSE file in the project root for more information. using System; +using System.Collections.Generic; using System.Globalization; using System.Text; using System.Text.RegularExpressions; @@ -63,46 +64,61 @@ public class NumberTranslator return Translate(input, targetCulture, sourceCulture, splitRegexForTarget); } + private static string ConvertBaseLiteral(string token, CultureInfo cultureTo) + { + var prefixes = new Dictionary(StringComparer.OrdinalIgnoreCase) + { + { "0x", 16 }, + { "0b", 2 }, + { "0o", 8 }, + }; + + foreach (var (prefix, numberBase) in prefixes) + { + if (token.StartsWith(prefix, StringComparison.OrdinalIgnoreCase)) + { + try + { + var num = Convert.ToInt64(token.Substring(prefix.Length), numberBase); + return num.ToString(cultureTo); + } + catch + { + return null; // fallback + } + } + } + + return null; + } + private static string Translate(string input, CultureInfo cultureFrom, CultureInfo cultureTo, Regex splitRegex) { var outputBuilder = new StringBuilder(); - var hexRegex = new Regex(@"(?:(0x[\da-fA-F]+))"); - var hexTokens = hexRegex.Split(input); + // Match numbers in hexadecimal (0x..), binary (0b..), or octal (0o..) format, + // and convert them to decimal form for compatibility with ExprTk (which only supports decimal input). + var baseNumberRegex = new Regex(@"(0[xX][\da-fA-F]+|0[bB][0-9]+|0[oO][0-9]+)"); - foreach (var hexToken in hexTokens) + var tokens = baseNumberRegex.Split(input); + + foreach (var token in tokens) { - if (hexToken.StartsWith("0x", StringComparison.InvariantCultureIgnoreCase)) - { - // Mages engine has issues processing large hex number (larger than 7 hex digits + 0x prefix = 9 characters). So we convert it to decimal and pass it to the engine. - if (hexToken.Length > 9) - { - try - { - var num = Convert.ToInt64(hexToken, 16); - var numStr = num.ToString(cultureFrom); - outputBuilder.Append(numStr); - } - catch (Exception) - { - outputBuilder.Append(hexToken); - } - } - else - { - outputBuilder.Append(hexToken); - } + // Currently, we only convert base literals (hexadecimal, binary, octal) to decimal. + var converted = ConvertBaseLiteral(token, cultureTo); + if (converted != null) + { + outputBuilder.Append(converted); continue; } - var tokens = splitRegex.Split(hexToken); - foreach (var token in tokens) + foreach (var inner in splitRegex.Split(token)) { var leadingZeroCount = 0; // Count leading zero characters. - foreach (var c in token) + foreach (var c in inner) { if (c != '0') { @@ -113,7 +129,7 @@ public class NumberTranslator } // number is all zero characters. no need to add zero characters at the end. - if (token.Length == leadingZeroCount) + if (inner.Length == leadingZeroCount) { leadingZeroCount = 0; } @@ -121,9 +137,9 @@ public class NumberTranslator decimal number; outputBuilder.Append( - decimal.TryParse(token, NumberStyles.Number, cultureFrom, out number) + decimal.TryParse(inner, NumberStyles.Number, cultureFrom, out number) ? (new string('0', leadingZeroCount) + number.ToString(cultureTo)) - : token.Replace(cultureFrom.TextInfo.ListSeparator, cultureTo.TextInfo.ListSeparator)); + : inner.Replace(cultureFrom.TextInfo.ListSeparator, cultureTo.TextInfo.ListSeparator)); } } diff --git a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/QueryHelper.cs b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/QueryHelper.cs index 7cbdf4035f..df6a8a153d 100644 --- a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/QueryHelper.cs +++ b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Helper/QueryHelper.cs @@ -65,11 +65,6 @@ public static partial class QueryHelper return ResultHelper.CreateResult(result.RoundedResult, inputCulture, outputCulture, query, handleSave); } - catch (Mages.Core.ParseException) - { - // Invalid input - return ErrorHandler.OnError(isFallbackSearch, query, Properties.Resources.calculator_expression_not_complete); - } catch (OverflowException) { // Result to big to convert to decimal diff --git a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Microsoft.CmdPal.Ext.Calc.csproj b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Microsoft.CmdPal.Ext.Calc.csproj index 59f5ccbc70..fc84428a76 100644 --- a/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Microsoft.CmdPal.Ext.Calc.csproj +++ b/src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Calc/Microsoft.CmdPal.Ext.Calc.csproj @@ -9,15 +9,25 @@ Microsoft.CmdPal.Ext.Calc.pri + + CalculatorEngineCommon + $(OutDir) + + + - - + + + PreserveNewest + + + PreserveNewest + - Resources.resx