Method exceptionFilter

source/utils/StackTraceWinMSVC.cpp:89–210

}

LONG WINAPI StackTracePrintPrivateData::exceptionFilter(LPEXCEPTION_POINTERS info)
{
    // We print the callstack in a stringstream. Then, we will print it to the crashStream
    // and, then, to the log manager
    std::stringstream crashStream;

    if (!SymInitialize(GetCurrentProcess(), 0, TRUE))
        return 0;

    int depth = 128;
    IMAGEHLP_LINE line = { 0 };

    PCONTEXT context = info->ContextRecord;

    char procname[MAX_PATH];
    GetModuleFileNameA(nullptr, procname, sizeof procname);

	STACKFRAME frame;
    memset(&frame,0,sizeof(frame));

    frame.AddrPC.Offset = context->Eip;
    frame.AddrPC.Mode = AddrModeFlat;
    frame.AddrStack.Offset = context->Esp;
    frame.AddrStack.Mode = AddrModeFlat;
    frame.AddrFrame.Offset = context->Ebp;
    frame.AddrFrame.Mode = AddrModeFlat;

    HANDLE process = GetCurrentProcess();
    HANDLE thread = GetCurrentThread();

    char symbol_buffer[sizeof(IMAGEHLP_SYMBOL) + 255];
    DWORD symbolOffset = 0;

    line.SizeOfStruct = sizeof line;

    std::string symbolFile;
    std::string symbolFunction;
    std::string processName;
    char processNameRaw[MAX_PATH];

    while(StackWalk(IMAGE_FILE_MACHINE_I386, process, thread, &frame, context,
        0, SymFunctionTableAccess, SymGetModuleBase, 0))
    {
        --depth;
        if (depth < 0)
            break;

        if (frame.AddrReturn.Offset == 0)
            break;

        if (frame.AddrPC.Offset == 0)
        {
            crashStream << frame.AddrPC.Offset << ", " << procname << std::endl;
            continue;
        }

        IMAGEHLP_SYMBOL *symbol = reinterpret_cast<IMAGEHLP_SYMBOL*>(symbol_buffer);
        symbol->SizeOfStruct = (sizeof *symbol) + 255;