void OnException(Exception2DebugCallbackEventArgs e)
{
if (e.EventType != CorDebugExceptionCallbackType.DEBUG_EXCEPTION_FIRST_CHANCE)
return;
var thread = e.CorThread;
if (thread == null)
return;
var exValue = thread.CurrentException;
if (exValue == null)
return;
var exType = exValue.ExactType;
if (exType == null)
return;
var exTypeName = exType.ToString(TypePrinterFlags.ShowNamespaces);
var key = new ExceptionInfoKey(ExceptionType.DotNet, exTypeName);
ExceptionInfo info;
if (!exceptions.TryGetValue(key, out info))
info = otherExceptions[(int)ExceptionType.DotNet];
if (!info.BreakOnFirstChance)
return;
e.AddStopReason(DebuggerStopReason.Exception);
}
void UnhandledException(Exception2DebugCallbackEventArgs e)
{
if (UnhandledException_counter != 0)
return;
try {
UnhandledException_counter++;
Debug.Assert(e.EventType == CorDebugExceptionCallbackType.DEBUG_EXCEPTION_UNHANDLED);
var thread = e.CorThread;
var exValue = thread == null ? null : thread.CurrentException;
var sb = new StringBuilder();
AddExceptionInfo(sb, exValue, "Exception");
var innerExValue = EvalUtils.ReflectionReadExceptionInnerException(exValue);
if (innerExValue != null && innerExValue.IsReference && !innerExValue.IsNull)
AddExceptionInfo(sb, innerExValue, "\n\nInner Exception");
var process = DebugManager.Instance.Debugger.Processes.FirstOrDefault(p => p.Threads.Any(t => t.CorThread == thread));
CorProcess cp;
var processName = process != null ? Path.GetFileName(process.Filename) : string.Format("pid {0}", (cp = thread.Process) == null ? 0 : cp.ProcessId);
BringMainWindowToFrontAndActivate();
var res = MainWindow.Instance.ShowMessageBox(string.Format("An unhandled exception occurred in {0}\n\n{1}\n\nPress OK to stop, and Cancel to let the program run.", processName, sb), MessageBoxButton.OKCancel);
if (res != MsgBoxButton.Cancel)
e.AddStopReason(DebuggerStopReason.UnhandledException);
}
finally {
UnhandledException_counter--;
}
}
void UnhandledException(Exception2DebugCallbackEventArgs e) {
if (UnhandledException_counter != 0)
return;
try {
UnhandledException_counter++;
theDebugger.SetUnhandledException(UnhandledException_counter != 0);
Debug.Assert(e.EventType == CorDebugExceptionCallbackType.DEBUG_EXCEPTION_UNHANDLED);
var thread = e.CorThread;
var exValue = thread?.CurrentException;
var sb = new StringBuilder();
AddExceptionInfo(sb, exValue, dnSpy_Debugger_Resources.ExceptionInfo_Exception);
var innerExValue = EvalUtils.ReflectionReadExceptionInnerException(exValue);
if (innerExValue != null && innerExValue.IsReference && !innerExValue.IsNull)
AddExceptionInfo(sb, innerExValue, "\n\n" + dnSpy_Debugger_Resources.ExceptionInfo_InnerException);
var process = TheDebugger.Debugger.Processes.FirstOrDefault(p => p.Threads.Any(t => t.CorThread == thread));
CorProcess cp;
var processName = process != null ? Path.GetFileName(process.Filename) : string.Format("pid {0}", (cp = thread.Process) == null ? 0 : cp.ProcessId);
BringMainWindowToFrontAndActivate();
var res = messageBoxService.Show(string.Format(dnSpy_Debugger_Resources.Error_UnhandledExceptionOccurred, processName, sb), MsgBoxButton.OK | MsgBoxButton.Cancel);
if (res != MsgBoxButton.Cancel)
e.AddPauseReason(DebuggerPauseReason.UnhandledException);
}
finally {
UnhandledException_counter--;
theDebugger.SetUnhandledException(UnhandledException_counter != 0);
}
}