protected virtual BaseNode VisitFunction(FunctionCallNode node)
{
List <BaseNode> vArgs = null;
for (int i = 0; i < node.Arguments.Count; ++i)
{
var a = node.Arguments[i];
var aV = Visit(a);
if (aV != a)
{
if (vArgs == null)
{
vArgs = new List <BaseNode>(node.Arguments.Take(i));
}
if (aV != null)
{
vArgs.Add(aV);
}
}
}
return(vArgs == null
? node
: new FunctionCallNode(node.FunctionName, vArgs));
}
protected override BaseNode VisitFunction(FunctionCallNode node)
{
_currentResult = null;
return(node);
}
