public void Update(IServices services)
{
EnsureInitialized();
while (true)
{
if (_currentState != null)
{
if (!_currentState.IsCompleted)
{
return;
}
_currentState = null;
}
if (_currentExecutor != null)
{
while (_currentExecutor.Next(out var current))
{
if (current == null)
{
throw new InvalidOperationException();
}
if (current == BreakAwaitable.Instance)
{
break;
}
if (current == SpinAwaitable.Instance)
{
return;
}
_currentState = current.GetAwaiter();
if (!_currentState.IsCompleted)
{
return;
}
}
_currentState = null;
_currentExecutor.Complete();
_currentExecutor = null;
}
if (_executionQueue.Count <= 0)
{
break;
}
_currentExecutor = _executionQueue.Dequeue();
_currentExecutor.Execute(services);
}
}
