/// <summary>
/// Gets the list of DynamicStackFrames for the current exception.
/// </summary>
internal static DynamicStackFrame[] GetDynamicStackFrames(Exception e)
{
List <DynamicStackFrame> frames = e.GetFrameList();
if (frames == null)
{
return(new DynamicStackFrame[0]);
}
frames = new List <DynamicStackFrame>(frames);
List <DynamicStackFrame> identified = new List <DynamicStackFrame>();
// merge .NET frames w/ any dynamic frames that we have
try {
StackTrace outermostTrace = new StackTrace(e, false);
IList <StackTrace> otherTraces = ExceptionHelpers.GetExceptionStackTraces(e) ?? new List <StackTrace>();
List <StackFrame> clrFrames = new List <StackFrame>();
foreach (StackTrace trace in otherTraces)
{
clrFrames.AddRange(trace.GetFrames() ?? new StackFrame[0]); // rare, sometimes GetFrames returns null
}
clrFrames.AddRange(outermostTrace.GetFrames() ?? new StackFrame[0]); // rare, sometimes GetFrames returns null
int lastFound = 0;
foreach (StackFrame clrFrame in InterpretedFrame.GroupStackFrames(clrFrames))
{
MethodBase method = clrFrame.GetMethod();
for (int j = lastFound; j < frames.Count; j++)
{
MethodBase other = frames[j].GetMethod();
// method info's don't always compare equal, check based
// upon name/module/declaring type which will always be a correct
// check for dynamic methods.
if (MethodsMatch(method, other))
{
identified.Add(frames[j]);
frames.RemoveAt(j);
lastFound = j;
break;
}
}
}
} catch (MemberAccessException) {
// can't access new StackTrace(e) due to security
}
// combine identified and any remaining frames we couldn't find
// this is equivalent of adding remaining frames in front of identified
frames.AddRange(identified);
return(frames.ToArray());
}
