public virtual FormalArgument TryGetFormalArgument(string name)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (FormalArguments == null)
{
return(null);
}
return(FormalArguments.FirstOrDefault(i => i.Name == name));
}
/** Used by Template.Add() to Add args one by one w/o turning on full formal args definition signal */
public virtual void AddArgument(FormalArgument a)
{
if (FormalArguments == null)
{
FormalArguments = new List <FormalArgument>();
}
a.Index = FormalArguments.Count;
FormalArguments.Add(a);
if (a.DefaultValueToken != null)
{
_numberOfArgsWithDefaultValues++;
}
}
public override Value Eval(Environment environment)
{
var proc = new UserDefinedProcedure(DefinedValue, false, FormalArguments.Select(v => v.Name).ToList());
return(new Closure(environment, proc));
}
public void AddArguement(Node node)
{
FormalArguments.Add(node);
}