public TrackedFrame PopFrame()
{
if (CurrentTrackedFrame == null)
{
return(null);
}
TrackedFrame old = CurrentTrackedFrame;
CurrentTrackedFrame = old.Prev;
old.RemoveRefs();
return(old);
}
static public bool cliTrackerFree(PlTerm trackerIn)
{
ThisThreadTracked--;
TrackedFrame tc0 = (TrackedFrame)GetInstance(trackerIn);
if (tc0 != null)
{
LocallyTrackedObjects.RemoveFrame(tc0);
return(true);
}
return(false);
}
public TrackedFrame CreateFrame()
{
if (CurrentTrackedFrame == null)
{
CurrentTrackedFrame = new TrackedFrame();
return(CurrentTrackedFrame);
}
TrackedFrame newTrackedFrame = new TrackedFrame {
Prev = CurrentTrackedFrame
};
CurrentTrackedFrame = newTrackedFrame;
return(newTrackedFrame);
}
public bool RemoveFrame(TrackedFrame frame)
{
if (CurrentTrackedFrame == frame)
{
PopFrame();
return(true);
}
else
{
if (PrologCLR.DebugRefs)
{
PrologCLR.Debug("Removing wierd frame{0}", frame);
}
frame.RemoveRefs();
return(false);
}
}
public ThreadEngineObjectTracker()
{
CurrentTrackedFrame = new TrackedFrame();
}
