void AddMarkers(bool updateActiveStatements)
{
Debug.Assert(currentStatementMarker == null);
Debug.Assert(callReturnMarker == null);
bool tooManyFrames;
var frames = stackFrameManager.GetFrames(out tooManyFrames);
if (frames.Count == 0)
{
return;
}
var methodOffset = GetModuleTokenId(frames[0]);
if (methodOffset != null)
{
currentStatementMarker = glyphTextMarkerService.AddMarker(
methodOffset.Value.Key,
methodOffset.Value.Value,
new ImageReference(GetType().Assembly, "CurrentStatement"),
ThemeClassificationTypeNameKeys.CurrentStatementMarker,
null,
classificationTypeCurrentStatement,
GlyphTextMarkerServiceZIndexes.CurrentStatement,
null,
null,
textViewFilter);
}
int selectedFrameNumber = stackFrameManager.SelectedFrameNumber;
methodOffset = selectedFrameNumber != 0 && selectedFrameNumber < frames.Count ? GetModuleTokenId(frames[selectedFrameNumber]) : null;
if (methodOffset != null)
{
callReturnMarker = glyphTextMarkerService.AddMarker(
methodOffset.Value.Key,
methodOffset.Value.Value,
new ImageReference(GetType().Assembly, "CallReturn"),
ThemeClassificationTypeNameKeys.CallReturnMarker,
null,
classificationTypeCallReturn,
GlyphTextMarkerServiceZIndexes.ReturnStatement,
null,
null,
textViewFilter);
}
if (updateActiveStatements)
{
activeStatementService.Value.OnNewActiveStatements(frames);
}
}
void InitializeStackFrames()
{
if (!IsEnabled || theDebugger.ProcessState != DebuggerProcessState.Paused)
{
framesList.Clear();
return;
}
var process = theDebugger.Debugger?.Processes?.FirstOrDefault();
Debug.Assert(process != null);
if (process == null)
{
framesList.Clear();
return;
}
bool tooManyFrames;
var newFrames = stackFrameManager.GetFrames(out tooManyFrames);
bool oldHadTooManyFrames = framesList.Count > 0 && framesList[framesList.Count - 1] is MessageCallStackFrameVM;
int oldVisibleFramesCount = framesList.Count - (oldHadTooManyFrames ? 1 : 0);
int framesToAdd = newFrames.Count - oldVisibleFramesCount;
const int MAX_FRAMES_DIFF = 50;
if (Math.Abs(framesToAdd) > MAX_FRAMES_DIFF)
{
oldHadTooManyFrames = false;
oldVisibleFramesCount = 0;
framesToAdd = newFrames.Count;
framesList.Clear();
}
if (framesToAdd > 0)
{
for (int i = 0; i < framesToAdd; i++)
{
var frame = newFrames[i];
var vm = new CallStackFrameVM(callStackFrameContext, i, frame, process);
vm.IsCurrentFrame = i == stackFrameManager.SelectedFrameNumber;
vm.IsUserCode = IsUserCode(frame);
if (framesList.Count == i)
{
framesList.Add(vm);
}
else
{
framesList.Insert(i, vm);
}
}
}
else if (framesToAdd < 0)
{
int frames = framesToAdd;
while (frames++ < 0)
{
framesList.RemoveAt(0);
}
}
for (int i = framesToAdd >= 0 ? framesToAdd : 0; i < newFrames.Count; i++)
{
var vm = (CallStackFrameVM)framesList[i];
var frame = newFrames[i];
vm.Index = i;
vm.IsCurrentFrame = i == stackFrameManager.SelectedFrameNumber;
vm.IsUserCode = IsUserCode(frame);
vm.SetFrame(frame, process);
}
if (oldHadTooManyFrames == tooManyFrames)
{
}
else if (oldHadTooManyFrames && !tooManyFrames)
{
bool b = framesList.Count > 0 && framesList[framesList.Count - 1] is MessageCallStackFrameVM;
Debug.Assert(b);
if (b)
{
framesList.RemoveAt(framesList.Count - 1);
}
}
else if (!oldHadTooManyFrames && tooManyFrames)
{
framesList.Add(new MessageCallStackFrameVM(callStackFrameContext, newFrames.Count, dnSpy_Debugger_Resources.CallStack_MaxFramesExceeded));
}
}
