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Code Pull Requests Activity

more reliable error messaging

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This commit is contained in:
Akash Mozumdar 2018-11-25 19:06:38 -05:00
parent 7a2ceec29e
commit f48355c096
1 changed files with 14 additions and 4 deletions
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18
GUI/main.cpp
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@ -12,7 +12,9 @@ namespace
__except (EXCEPTION_EXECUTE_HANDLER) { return "Could not find"; } __except (EXCEPTION_EXECUTE_HANDLER) { return "Could not find"; }
} }
LONG WINAPI ExceptionHandler(EXCEPTION_POINTERS* exception) thread_local std::wstring lastError = L"Unknown error";
LONG WINAPI ExceptionLogger(EXCEPTION_POINTERS* exception)
{ {
MEMORY_BASIC_INFORMATION info = {}; MEMORY_BASIC_INFORMATION info = {};
VirtualQuery(exception->ExceptionRecord->ExceptionAddress, &info, sizeof(info)); VirtualQuery(exception->ExceptionRecord->ExceptionAddress, &info, sizeof(info));
@ -31,15 +33,23 @@ namespace
for (int i = 0; i < exception->ExceptionRecord->NumberParameters; ++i) for (int i = 0; i < exception->ExceptionRecord->NumberParameters; ++i)
errorMsg << L"Additional info: " << exception->ExceptionRecord->ExceptionInformation[i] << std::endl; errorMsg << L"Additional info: " << exception->ExceptionRecord->ExceptionInformation[i] << std::endl;
MessageBoxW(NULL, errorMsg.str().c_str(), L"Textractor ERROR", MB_ICONERROR); lastError = errorMsg.str();
return EXCEPTION_CONTINUE_SEARCH; return EXCEPTION_CONTINUE_SEARCH;
} }
void Terminate()
{
MessageBoxW(NULL, lastError.c_str(), L"Textractor ERROR", MB_ICONERROR);
std::abort();
}
thread_local auto _ = [] { return std::set_terminate(Terminate); }();
} }
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
SetUnhandledExceptionFilter(ExceptionHandler); AddVectoredExceptionHandler(FALSE, ExceptionLogger);
SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)Terminate);
QApplication a(argc, argv); QApplication a(argc, argv);
MainWindow w; MainWindow w;
w.show(); w.show();