public override object VisitExpression([NotNull] TinyScriptParser.ExpressionContext context)
        {
            var ret = VisitAndAndExpression(context.andAndExpression(0));

            if (context.ChildCount > 1)
            {
                for (int i = 2; i < context.ChildCount; i += 2)
                {
                    VisitAndAndExpression((TinyScriptParser.AndAndExpressionContext)context.GetChild(i));
                    _builder.Or();
                }
                return(typeof(bool));
            }
            return(ret);
        }