Beispiel #1
0
        public override Node VisitIf([NotNull] TigerParser.IfContext context)
        {
            var node = new IfNode(context);

            node.Children.Add(Visit(context.expr(0))); //IF EXPRESSION
            node.Children.Add(Visit(context.expr(1))); //THEN EXPRESSION

            var elseExpr = context.expr(2);

            node.Children.Add(elseExpr != null ? Visit(elseExpr) : null); //ELSE EXPRESSION if any, otherwise nil
            return(node);
        }