Exemplo n.º 1
0
        public override EExpressionType VisitNum_expr([NotNull] GrammarParser.Num_exprContext context)
        {
            if (context.ChildCount == 1)
            {
                var element = context.GetChild(0).GetText();

                int result = 0;
                if (int.TryParse(element, out result))
                {
                    return(EExpressionType.Int);
                }
                else
                {
                    element = LookUp(element);

                    if (int.TryParse(element, out result))
                    {
                        return(EExpressionType.Int);
                    }
                }
                float result2 = 0;
                if (float.TryParse(element, out result2))
                {
                    return(EExpressionType.Float);
                }
                else
                {
                    element = LookUp(element);

                    if (float.TryParse(element, out result2))
                    {
                        return(EExpressionType.Float);
                    }
                }

                return(EExpressionType.Unknown);
            }
            else if (context.ChildCount == 3)
            {
                var lhs     = context.GetChild(0);
                var lhsType = Visit(lhs);

                var rhs     = context.GetChild(2);
                var rhsType = Visit(rhs);

                if (lhsType != rhsType)
                {
                    throw new Exception("Type missmatch");
                }
            }
            else
            {
                throw new NotImplementedException("Grammar has changed!");
            }

            return(base.VisitNum_expr(context));
        }
Exemplo n.º 2
0
        public override void EnterNum_expr([NotNull] GrammarParser.Num_exprContext context)
        {
            if (context.ChildCount == 1)
            {
                if (!(int.TryParse(context.GetChild(0).GetText(), out var result)))
                {
                    LookUpScope(context.GetChild(0).GetText());
                }
            }

            base.EnterNum_expr(context);
        }
Exemplo n.º 3
0
        public override bool VisitNum_expr([NotNull] GrammarParser.Num_exprContext context)
        {
            Console.WriteLine($"Numeric Expression {context.GetText()}");
            if (context.ChildCount == 1)
            {
                string expression = SearchAndReplace(context.GetChild(0).GetText());
                try
                {
                    var test = float.Parse(expression);
                    Console.WriteLine("Succesfully accepted!");
                }
                catch (Exception)
                {
                    Console.WriteLine("Error man");
                }
            }
            else
            {
            }


            return(base.VisitNum_expr(context));
        }
 /// <summary>
 /// Exit a parse tree produced by <see cref="GrammarParser.num_expr"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitNum_expr([NotNull] GrammarParser.Num_exprContext context)
 {
 }
Exemplo n.º 5
0
 /// <summary>
 /// Visit a parse tree produced by <see cref="GrammarParser.num_expr"/>.
 /// <para>
 /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
 /// on <paramref name="context"/>.
 /// </para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 /// <return>The visitor result.</return>
 public virtual Result VisitNum_expr([NotNull] GrammarParser.Num_exprContext context)
 {
     return(VisitChildren(context));
 }