private static IteratorContext ExecuteTaskHelper(ITask currentTask)
{
if (currentTask.LinkedIterator != null)
{
IteratorContext iteratorContext = (IteratorContext)currentTask.LinkedIterator;
if (CausalityThreadContext.IsEmpty(iteratorContext._causalities))
{
Dispatcher.ClearCausalities();
}
else
{
Dispatcher.SetCurrentThreadCausalities(iteratorContext._causalities.Clone());
}
}
else
{
Dispatcher.TransferCausalitiesFromTaskToCurrentThread(currentTask);
}
if (Debugger.IsAttached)
{
CausalityThreadContext currentThreadCausalities = Dispatcher.GetCurrentThreadCausalities();
if (!CausalityThreadContext.IsEmpty(currentThreadCausalities) && CausalityThreadContext.RequiresDebugBreak(currentThreadCausalities))
{
Debugger.Break();
}
}
IEnumerator <ITask> enumerator = currentTask.Execute();
if (enumerator != null)
{
return(new IteratorContext(enumerator, Dispatcher.GetCurrentThreadCausalities()));
}
return(null);
}
