public IEnumerator <object> Build(HeapRecording instance, IEnumerable <DeltaInfo> deltas)
{
yield return(Future.RunInThread(() => {
Parallel.ForEach(
deltas, (delta) => {
StackGraphNode parent = null, node;
foreach (var frame in delta.Traceback.Reverse())
{
if (parent != null)
{
node = parent.GetNodeForChildFrame(frame);
}
else
{
node = GetNodeForFrame(frame);
}
if (node != null)
{
node.Visit(delta);
}
if (node != null)
{
parent = node;
}
node = Functions.GetNodeForFrame(frame);
node.Visit(delta);
}
}
);
}));
yield return(FinalizeBuild());
}
public StackGraphNode GetNodeForChildFrame(TracebackFrame frameInfo)
{
bool isNew;
StackGraphNode result;
lock (Children)
result = Children.GetNodeForFrame(frameInfo, out isNew);
if (isNew)
{
lock (result.Parents)
result.Parents.Add(this);
}
return(result);
}