PowerToys/src/common/utils/UnhandledExceptionHandler.h

#pragma once

#include <Windows.h>
#include <DbgHelp.h>
#include <string>

// Small inline functions that should stay in the header
static inline const char* exceptionDescription(const DWORD& code)
{
    switch (code)
    {
    case EXCEPTION_ACCESS_VIOLATION:
        return "EXCEPTION_ACCESS_VIOLATION";
    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
        return "EXCEPTION_ARRAY_BOUNDS_EXCEEDED";
    case EXCEPTION_BREAKPOINT:
        return "EXCEPTION_BREAKPOINT";
    case EXCEPTION_DATATYPE_MISALIGNMENT:
        return "EXCEPTION_DATATYPE_MISALIGNMENT";
    case EXCEPTION_FLT_DENORMAL_OPERAND:
        return "EXCEPTION_FLT_DENORMAL_OPERAND";
    case EXCEPTION_FLT_DIVIDE_BY_ZERO:
        return "EXCEPTION_FLT_DIVIDE_BY_ZERO";
    case EXCEPTION_FLT_INEXACT_RESULT:
        return "EXCEPTION_FLT_INEXACT_RESULT";
    case EXCEPTION_FLT_INVALID_OPERATION:
        return "EXCEPTION_FLT_INVALID_OPERATION";
    case EXCEPTION_FLT_OVERFLOW:
        return "EXCEPTION_FLT_OVERFLOW";
    case EXCEPTION_FLT_STACK_CHECK:
        return "EXCEPTION_FLT_STACK_CHECK";
    case EXCEPTION_FLT_UNDERFLOW:
        return "EXCEPTION_FLT_UNDERFLOW";
    case EXCEPTION_ILLEGAL_INSTRUCTION:
        return "EXCEPTION_ILLEGAL_INSTRUCTION";
    case EXCEPTION_IN_PAGE_ERROR:
        return "EXCEPTION_IN_PAGE_ERROR";
    case EXCEPTION_INT_DIVIDE_BY_ZERO:
        return "EXCEPTION_INT_DIVIDE_BY_ZERO";
    case EXCEPTION_INT_OVERFLOW:
        return "EXCEPTION_INT_OVERFLOW";
    case EXCEPTION_INVALID_DISPOSITION:
        return "EXCEPTION_INVALID_DISPOSITION";
    case EXCEPTION_NONCONTINUABLE_EXCEPTION:
        return "EXCEPTION_NONCONTINUABLE_EXCEPTION";
    case EXCEPTION_PRIV_INSTRUCTION:
        return "EXCEPTION_PRIV_INSTRUCTION";
    case EXCEPTION_SINGLE_STEP:
        return "EXCEPTION_SINGLE_STEP";
    case EXCEPTION_STACK_OVERFLOW:
        return "EXCEPTION_STACK_OVERFLOW";
    default:
        return "UNKNOWN EXCEPTION";
    }
}

/* Returns the index of the last backslash in the file path */
inline int GetFilenameStart(wchar_t* path)
{
    int pos = 0;
    int found = 0;
    if (path != NULL)
    {
        while (path[pos] != L'\0' && pos < MAX_PATH)
        {
            if (path[pos] == L'\\')
            {
                found = pos + 1;
            }
            ++pos;
        }
    }

    return found;
}

// Implementations in UnhandledExceptionHandler.cpp
std::wstring GetModuleName(HANDLE process, const STACKFRAME64& stack);
std::wstring GetName(HANDLE process, const STACKFRAME64& stack);
std::wstring GetLine(HANDLE process, const STACKFRAME64& stack);
void LogStackTrace();
LONG WINAPI UnhandledExceptionHandler(PEXCEPTION_POINTERS info);
void AbortHandler(int signal_number);
void InitSymbols();
void InitUnhandledExceptionHandler(void);