/// <summary> Processes realloc operation for this callstack and updates lifecycles if needed. </summary>
public FAllocationLifecycle ProcessRealloc(FStreamToken StreamToken, ref FAllocationLifecycle NewLifecycle, FCallStack PreviousCallStack, FAllocationLifecycle PreviousLifecycle)
{
FAllocationLifecycle Result = null;
int SizeChange = 0;
bool bFreshRealloc = true;
FAllocationLifecycle Lifecycle;
if (IncompleteLifecycles.TryGetValue(StreamToken.OldPointer, out Lifecycle))
{
IncompleteLifecycles.Remove(StreamToken.OldPointer);
Lifecycle.Realloc(StreamToken, this, out SizeChange);
if (Lifecycle.bIsComplete)
{
if (FStreamInfo.GlobalInstance.CreationOptions.KeepLifecyclesCheckBox.Checked)
{
CompleteLifecycles.Add(Lifecycle);
}
}
else
{
IncompleteLifecycles.Add(Lifecycle.LatestPointer, Lifecycle);
}
bFreshRealloc = false;
Result = Lifecycle;
}
else
{
Debug.Assert(NewLifecycle != null);
NewLifecycle.Malloc(StreamToken, PreviousCallStack, PreviousLifecycle);
Result = NewLifecycle;
NewLifecycle = null;
IncompleteLifecycles.Add(Result.LatestPointer, Result);
bFreshRealloc = true;
SizeChange = StreamToken.Size;
}
LatestSize += SizeChange;
if (LatestSize > MaxSize)
{
MaxSize = LatestSize;
}
// it's possible that this point was already added to the graph via realloc chain propagation
if (SizeGraphPoints != null && (SizeGraphPoints.Count == 0 || SizeGraphPoints[SizeGraphPoints.Count - 1].StreamIndex != StreamToken.StreamIndex))
{
SizeGraphPoints.Add(new FSizeGraphPoint(StreamToken.StreamIndex, SizeChange, bFreshRealloc));
}
return(Result);
}