public Element(PushPopType type, Container container, int contentIndex, bool inExpressionEvaluation = false) {
this.currentContainer = container;
this.currentContentIndex = contentIndex;
this.inExpressionEvaluation = inExpressionEvaluation;
this.temporaryVariables = new Dictionary<string, Object>();
this.type = type;
}
internal void StartExternalFunctionEvaluation (Container funcContainer, params object[] arguments)
{
// We'll start a new callstack, so keep hold of the original,
// as well as the evaluation stack so we know if the function
// returned something
_originalCallstack = callStack;
_originalEvaluationStackHeight = evaluationStack.Count;
// Create a new base call stack element.
callStack = new CallStack (funcContainer);
callStack.currentElement.type = PushPopType.Function;
// By setting ourselves in external function evaluation mode,
// we're saying it's okay to end the flow without a Done or End,
// but with a ~ return instead.
_isExternalFunctionEvaluation = true;
// Pass arguments onto the evaluation stack
if (arguments != null) {
for (int i = 0; i < arguments.Length; i++) {
if (!(arguments [i] is int || arguments [i] is float || arguments [i] is string)) {
throw new System.ArgumentException ("ink arguments when calling EvaluateFunction must be int, float or string");
}
evaluationStack.Add (Runtime.Value.Create (arguments [i]));
}
}
}
public CallStack (Container rootContentContainer)
{
_threads = new List<Thread> ();
_threads.Add (new Thread ());
_threads [0].callstack.Add (new Element (PushPopType.Tunnel, rootContentContainer, 0));
}