private bool TryReadFlowControl(UpperString text, out ActorFlowControl flowControl)
{
flowControl = null;
if (!TryGetStateBranch(text, out ActorStateBranch branchType))
{
return(false);
}
switch (branchType)
{
case ActorStateBranch.Goto:
flowControl = ReadGotoLabel();
break;
case ActorStateBranch.Loop:
if (lastSeenLabelOrNull == null)
{
throw MakeException("Cannot loop when no label has been defined yet");
}
flowControl = new ActorFlowControl(branchType, lastSeenLabelOrNull);
break;
default:
flowControl = new ActorFlowControl(branchType);
break;
}
return(true);
}
private void ApplyStateBranch(ActorFlowControl flowControl)
{
if (justSeenLabelOrNull != null)
{
HandleLabelOverride(justSeenLabelOrNull, flowControl);
}
else
{
GetLastFrameOrThrow().FlowControl = flowControl;
}
}
private void HandleLabelOverride(UpperString label, ActorFlowControl flowControl)
{
switch (flowControl.FlowType)
{
case ActorStateBranch.Goto:
case ActorStateBranch.Stop:
currentDefinition.States.flowOverrides[label] = flowControl;
break;
default:
throw MakeException("Flow control override after a label must be either 'Stop' or 'Goto'");
}
}
