void IAsyncStateMachine.MoveNext()
{
_acc++;
int innerTmpResult;
try
{
TaskAwaiter <int> awaiter;
if (this.State != State.Run)
{
Info.WhichThread("state not run", this._acc);
this._task = new Task <int>(() => StateMachineAsyncAwait.Sum(this.Args1, this.Args2));
this._task.Start();
awaiter = this._task.GetAwaiter();
if (awaiter.IsCompleted == false)
{
Info.WhichThread("awaiter is completed=true", this._acc);
this.State = State.Run;
this._taskAwaiter = awaiter;
GenerateStateMachine stateMachine = this;
this.AsyncTaskMethodBuilder.AwaitUnsafeOnCompleted(ref awaiter, ref stateMachine);
this._taskAwaiter.OnCompleted(this._action);
return;
}
}
else
{
Info.WhichThread("state run", this._acc);
awaiter = this._taskAwaiter;
this._taskAwaiter = new TaskAwaiter <int>();
this.State = State.BeforeRun;
}
this._result = awaiter.GetResult();
innerTmpResult = this._result;
}
catch (Exception ex)
{
this.State = State.End;
this.AsyncTaskMethodBuilder.SetException(ex);
return;
}
Info.WhichThread("state end", this._acc);
Console.WriteLine($"acc-{this._acc}");
this.State = State.End;
this.AsyncTaskMethodBuilder.SetResult(innerTmpResult);
}
public static void Main()
{
StateMachineAsyncAwait
.SumAsync(10, 10)
.ContinueWith((t) => Console.WriteLine(t.Result));
//SumAsync(10, 10)
// .ContinueWith((t) => Console.WriteLine(t.Result));
Console.ReadKey();
}