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impove uncaught exception printing on windows

This commit is contained in:
Adam D. Ruppe 2020-08-26 19:21:23 -04:00
parent dbc2da8ec1
commit de576e37e1
1 changed files with 24 additions and 13 deletions
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37
simpledisplay.d
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@ -4439,7 +4439,7 @@ class Timer {
if(Timer* t = timer in mapping) {
try
(*t).trigger();
catch(Exception e) { throw new Error(e.msg, e.file, e.line); }
catch(Exception e) { sdpy_abort(e); assert(0); }
}
}
@ -4791,16 +4791,19 @@ class WindowsApiException : Exception {
if(error == 0)
buffer[pos++] = '0';
else {
auto ec = error;
auto init = pos;
while(error) {
buffer[pos++] = (error % 10) + '0';
error /= 10;
}
for(int i = 0; i < (pos - init) / 2; i++) {
char c = buffer[i + init];
buffer[i + init] = buffer[pos - (i + init) - 1];
buffer[pos - (i + init) - 1] = c;
while(ec) {
buffer[pos++] = (ec % 10) + '0';
ec /= 10;
}
buffer[pos++] = ' ';
size_t size = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, null, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), &(buffer[pos]), buffer.length - pos, null);
pos += size;
}
@ -8507,13 +8510,21 @@ version(Windows) {
return DefWindowProc(hWnd, iMessage, wParam, lParam);
}
} catch (Exception e) {
//try {
//MessageBoxA(null, (e.toString() ~ "\0").ptr, "Exception caught in WndProc", 0);
//} catch(Exception e) {}
assert(false, "Exception caught in WndProc " ~ e.toString());
try {
sdpy_abort(e);
return 0;
} catch(Exception e) { assert(0); }
}
}
void sdpy_abort(Throwable e) nothrow {
try
MessageBoxA(null, (e.toString() ~ "\0").ptr, "Exception caught in WndProc", 0);
catch(Exception e)
MessageBoxA(null, "Exception.toString threw too!", "Exception caught in WndProc", 0);
ExitProcess(1);
}
mixin template NativeScreenPainterImplementation() {
HDC hdc;
HWND hwnd;