public AnyBlueprint(VM interpreter, VM.State target, IEnumerable <Token <R> > payload)
: base(interpreter)
{
_target = target;
_payload = payload;
_old = _target.Output.Size;
}
public override bool Use()
{
// Fill in empty string arguments with state results.
for (int i = 0; i < _args.Length; i++)
{
if (_args[i] == null)
{
_args[i] = Argument.FromString(I.PopResultString());
}
}
// Create an argument table so the args can be accessed by name.
var argTable =
_args.Select((arg, i) => new KeyValuePair <string, Argument>(_subroutine.Parameters[i].Item1, arg)).ToDictionary(pair => pair.Key, pair => pair.Value);
// Create the state for the subroutine code
var state = new VM.State(I, _subroutine.Source, I.CurrentState.Output);
// Pre-blueprint pushes args
state.Pre(new DelegateBlueprint(I, _ =>
{
_.SubArgStack.Push(argTable);
return(false);
}));
// Post-blueprint pops args
state.Post(new DelegateBlueprint(I, _ =>
{
_.SubArgStack.Pop();
return(false);
}));
// Push the state onto the stack
I.PushState(state);
return(true);
}
