public static IMatched <IObject> YieldAction(Machine machine)
{
var topFrame = machine.CurrentFrame;
var frames = machine.PopFrames();
IMatched <IObject> returnValue;
if (topFrame.IsEmpty)
{
returnValue = None.NoneValue.Matched();
}
else if (topFrame.Pop().If(out var popped, out var exception))
{
if (popped is None)
{
returnValue = popped.Matched();
}
else
{
IObject copy;
if (popped is IPristineCopy pc)
{
copy = pc.Copy();
}
else
{
copy = popped;
}
if (copy is ICopyFields cf)
{
cf.CopyFields(frames.Fields);
}
popped = copy;
returnValue = new YieldReturn(popped, machine.Address, frames).Matched <IObject>();
}
}
else
{
return(failedMatch <IObject>(exception));
}
if (frames.FunctionFrame.If(out var frame))
{
var returnAddress = frame.Address;
if (machine.GoTo(returnAddress))
{
return(returnValue);
}
else
{
return(failedMatch <IObject>(badAddress(returnAddress)));
}
}
else
{
return(failedMatch <IObject>(invalidStack()));
}
}
protected internal override Statement VisitYieldReturn(YieldReturn inst)
{
var elementType = currentMethod.ReturnType.GetElementTypeFromIEnumerable(currentMethod.Compilation, true, out var isGeneric);
return(new YieldReturnStatement {
Expression = exprBuilder.Translate(inst.Value).ConvertTo(elementType, exprBuilder)
});
}
public void RunYieldReturnNumbers()
{
YieldReturn.RunNumbers();
}
protected internal override void VisitYieldReturn(YieldReturn inst)
{
DebugStartPoint(inst);
inst.Value.AcceptVisitor(this);
DebugEndPoint(inst);
}
//public override void Cancel(object context, object id)
//{
// MonoBehaviour unity = unityScheduler;
// if (id is UnityEngine.Coroutine)
// {
// var co = (UnityEngine.Coroutine)id;
// unity.StopCoroutine(co);
// }
// else if (id is string)
// {
// unity.StopCoroutine((string)id);
// }
// else if (id is IEnumerator)
// {
// unity.StopCoroutine((IEnumerator)id);
// }
//}
//public override void CancelAll(object context)
//{
// MonoBehaviour unity = unityScheduler;
// unity.StopAllCoroutines();
//}
private IEnumerator AsCoroutine(COROUTINE coroutine, IEnumerator routine)
{
object yieldReturn;
bool hasNext;
Exception exception = null;
COROUTINE waitForCoroutine = null;
CancellationToken cancellationToken = GetCancelToken(coroutine);
while (true)
{
if (!coroutine.IsDone)
{
waitForCoroutine = GetWaitForCoroutine(coroutine);
if (waitForCoroutine != null)
{
//wait done
while (!waitForCoroutine.IsDone && !coroutine.IsDone)
{
if (cancellationToken != null && cancellationToken.IsCancellationRequested)
{
SetCoroutineCanceled(coroutine);
break;
}
yield return(null);
}
SetWaitForCoroutine(coroutine, null);
var ex = waitForCoroutine.Exception;
if (!coroutine.IsDone)
{
if (ex != null)
{
ICatchable catchable = waitForCoroutine as ICatchable;
if (catchable != null)
{
try
{
catchable.HandleException(ex);
}
catch (Exception ex2)
{
var newEx = new CoroutineAggregateException(ex2);
newEx = newEx.Flatten();
SetCoroutineException(coroutine, newEx, true);
break;
}
}
else
{
SetCoroutineException(coroutine, ex, false);
break;
}
}
}
else
{
break;
}
}
else
{
hasNext = false;
if (cancellationToken != null && cancellationToken.IsCancellationRequested)
{
SetCoroutineCanceled(coroutine);
break;
}
lock (lockObj)
{
PushCurrent();
try
{
hasNext = routine.MoveNext();
if (!hasNext)
{
CheckReturnValue(coroutine);
}
}
catch (Exception ex)
{
exception = ex;
}
finally
{
PopCurrent();
}
}
if (exception != null)
{
var aggEx = new CoroutineAggregateException(exception);
aggEx = aggEx.Flatten();
SetCoroutineException(coroutine, aggEx, true);
break;
}
if (!hasNext)
{
break;
}
yieldReturn = routine.Current;
//if (yieldReturn != null)
//{
// IEnumerator convertRoutine;
// if (ConvertToRoutine(yieldReturn, out convertRoutine))
// yieldReturn = convertRoutine;
//}
if (yieldReturn != null)
{
if (yieldReturn is IYield)
{
if (yieldReturn is COROUTINE)
{
waitForCoroutine = (COROUTINE)yieldReturn;
SetWaitForCoroutine(coroutine, waitForCoroutine);
}
else if (yieldReturn is WaitForMilliseconds)
{
float atTime = (float)(Time + ((WaitForMilliseconds)yieldReturn).Milliseconds * 0.001f);
while (Time < atTime)
{
if (cancellationToken != null && cancellationToken.IsCancellationRequested)
{
SetCoroutineCanceled(coroutine);
break;
}
yield return(null);
}
}
else if (yieldReturn is WaitForFrame)
{
int frameCount = ((WaitForFrame)yieldReturn).FrameCount;
if (frameCount <= 0)
{
yield return(null);
}
else
{
for (int i = 0; i < frameCount; i++)
{
if (cancellationToken != null && cancellationToken.IsCancellationRequested)
{
SetCoroutineCanceled(coroutine);
break;
}
yield return(null);
}
}
}
else if (yieldReturn is YieldReturn)
{
YieldReturn ret = (YieldReturn)yieldReturn;
SetCoroutineReturnValue(coroutine, ret);
}
else if (yieldReturn is CustomYield)
{
CustomYield customYield = (CustomYield)yieldReturn;
SetWaitForCoroutine(coroutine, QueueRoutine(customYield));
}
else
{
throw new CoroutineUnknownYieldTypeException(yieldReturn.GetType());
}
}
else if (yieldReturn is IEnumerable)
{
SetWaitForCoroutine(coroutine, QueueRoutine(((IEnumerable)yieldReturn).GetEnumerator()));
}
else if (yieldReturn is IEnumerator)
{
SetWaitForCoroutine(coroutine, QueueRoutine((IEnumerator)yieldReturn));
}
else
{
IEnumerator tmp;
if (ConvertToRoutine(yieldReturn, out tmp))
{
SetWaitForCoroutine(coroutine, QueueRoutine(tmp));
}
else
{
// ignore handle
yield return(yieldReturn);
}
}
}
else
{
yield return(null);
}
}
}
if (coroutine.IsDone)
{
break;
}
}
if (!coroutine.IsDone)
{
SetCoroutineDone(coroutine);
}
else
{
if (!coroutine.IsRanToCompletion)
{
exception = coroutine.Exception;
if (exception != null && !IsCoroutineHandleException(coroutine))
{
if (!IsReady(coroutine))
{
yield return(null);
}
if (!IsCoroutineHandleException(coroutine))
{
throw exception;
}
}
}
}
}
