void OnException2 (object sender, CorException2EventArgs e)
{
lock (debugLock) {
if (evaluating) {
e.Continue = true;
return;
}
}
TargetEventArgs args = null;
switch (e.EventType) {
case CorDebugExceptionCallbackType.DEBUG_EXCEPTION_FIRST_CHANCE:
if (!this.Options.ProjectAssembliesOnly && IsCatchpoint (e))
args = new TargetEventArgs (TargetEventType.ExceptionThrown);
break;
case CorDebugExceptionCallbackType.DEBUG_EXCEPTION_USER_FIRST_CHANCE:
if (IsCatchpoint (e))
args = new TargetEventArgs (TargetEventType.ExceptionThrown);
break;
case CorDebugExceptionCallbackType.DEBUG_EXCEPTION_CATCH_HANDLER_FOUND:
break;
case CorDebugExceptionCallbackType.DEBUG_EXCEPTION_UNHANDLED:
args = new TargetEventArgs (TargetEventType.UnhandledException);
break;
}
if (args != null) {
OnStopped ();
e.Continue = false;
// If an exception is thrown while stepping, cancel the stepping operation
if (stepper != null && stepper.IsActive ())
stepper.Deactivate ();
SetActiveThread (e.Thread);
args.Process = GetProcess (process);
args.Thread = GetThread (e.Thread);
args.Backtrace = new Backtrace (new CorBacktrace (e.Thread, this));
OnTargetEvent (args);
}
}
private bool IsCatchpoint (CorException2EventArgs e)
{
// Build up the exception type hierachy
CorValue v = e.Thread.CurrentException;
List<string> exceptions = new List<string>();
CorType t = v.ExactType;
while (t != null) {
exceptions.Add(t.GetTypeInfo(this).FullName);
t = t.Base;
}
// See if a catchpoint is set for this exception.
foreach (Catchpoint cp in Breakpoints.GetCatchpoints()) {
if (cp.Enabled && exceptions.Contains(cp.ExceptionName)) {
return true;
}
}
return false;
}
private void OnException2EventHandler(Object sender, CorException2EventArgs e)
{
Trace.WriteLine("ManagedCallback::OnException2");
BeginManagedDebugEvent();
try
{
if (InternalHandleRawMode(ManagedCallbackType.OnException2, e))
return;
if (e.EventType == CorDebugExceptionCallbackType.DEBUG_EXCEPTION_UNHANDLED &&
m_engine.Options.StopOnUnhandledException)
{
e.Continue = false;
// just for historical reasons we are stopping with different StopReason
InternalSignalRuntimeIsStopped(e.Thread, new UnhandledExceptionThrownStopReason(e.AppDomain, e.Thread, e.Frame,
e.Offset, e.EventType, e.Flags));
return;
}
if (e.EventType == CorDebugExceptionCallbackType.DEBUG_EXCEPTION_FIRST_CHANCE &&
m_engine.Options.StopOnException)
{
e.Continue = false;
InternalSignalRuntimeIsStopped(e.Thread, new ExceptionThrownStopReason(e.AppDomain, e.Thread, e.Frame,
e.Offset, e.EventType, e.Flags));
return;
}
if (HandleCustomPostCallback(ManagedCallbackType.OnException2, e))
return;
// if user has requested stops on enhanced exception,
// we should always stop
if (m_engine.Options.StopOnExceptionEnhanced)
{
e.Continue = false;
InternalSignalRuntimeIsStopped(e.Thread, new ExceptionThrownStopReason(e.AppDomain, e.Thread, e.Frame,
e.Offset, e.EventType, e.Flags));
return;
}
}
finally
{
EndManagedDebugEvent(e);
}
}
