private object ExecuteFunction(StringSegment _name, IList <object> l_params)
{
string name = _name.Trim().ToString();
object[] a_evaluated = null;
if (l_params != null)
{
a_evaluated = new object[l_params.Count];
l_params.CopyTo(a_evaluated, 0);
for (int i = 0; i < a_evaluated.Length; ++i)
{
IEvaluator expr = a_evaluated[i] as IEvaluator;
if (expr != null)
{
a_evaluated[i] = expr.Evaluate();
}
}
}
ObjectContext context = CurrentContext.FindFunctionContext(name);
if (context == null)
{
throw ThrowHelper.UndefinedFunction(name);
}
else
{
TFunctionData _sframe = new TFunctionData(CurrentExecution);
_sframe.SetAll(a_evaluated);
_sframe.Name = name;
context.GetFunction(name).Invoke(_sframe);
CurrentContext.SetReturns(_sframe);
return(_sframe.Data);
}
}
internal static void Execute(TFunctionData stackFrame, Line codeLine)
{
ObjectContext context = stackFrame.Context.FindCommandContext(codeLine.Name);
if (context == null)
{
Evaluator eval = new Evaluator(new StringSegment(codeLine.Text), stackFrame.StackExecuter);
object result = eval.Evaluate();
stackFrame.Context.PersistReturns(stackFrame);
stackFrame.Data = result;
}
else if (codeLine.IsFunction)
{
throw ThrowHelper.ExpectedSpaceAfterCommand();
}
else
{
stackFrame.SetAll(codeLine.Text);
context.GetCommand(codeLine.Name).Invoke(stackFrame);
}
stackFrame.Context.SetReturns(stackFrame);
}
