public override void PostWalk(CallExpression node) { }
// CallExpression public override bool Walk(CallExpression node) { return(false); }
// CallExpression public virtual bool Walk(CallExpression node) { return(true); }
public virtual void PostWalk(CallExpression node) { }
// CallExpression public override bool Walk(CallExpression node) { return(Location >= node.StartIndex && Location <= node.EndIndex); }