/// <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> res = new List<DynamicStackFrame>();
// merge .NET frames w/ any dynamic frames that we have
try
{
StackTrace outermostTrace = new StackTrace(e);
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 methodSetups.
if (MethodsMatch(method, other))
{
res.Add(frames[j]);
frames.RemoveAt(j);
lastFound = j;
break;
}
}
}
}
catch (MemberAccessException)
{
// can't access new StackTrace(e) due to security
}
// add any remaining frames we couldn't find
res.AddRange(frames);
return res.ToArray();
}
public static void UpdateStackTrace(Exception e, CodeContext context, FunctionCode funcCode, int line)
{
if (line != -1)
{
Debug.Assert(line != SourceLocation.None.Line);
List<DynamicStackFrame> totemFrames = e.GetFrameList();
if (totemFrames == null)
{
e.SetFrameList(totemFrames = new List<DynamicStackFrame>());
}
var frame = new TotemDynamicStackFrame(context, funcCode, line);
funcCode.LightThrowCompile(context);
totemFrames.Add(frame);
}
}
