public override void EnterEquation(CalculatorParser.EquationContext context)
 {
     op     = context.OPERATOR().GetText();
     values = new List <int>();
     foreach (ITerminalNode number in context.NUMBERS())
     {
         values.Add(int.Parse(number.GetText()));
     }
 }
Ejemplo n.º 2
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        static void Main(string[] args)
        {
            AntlrInputStream  inputStream       = new AntlrInputStream("2 + 2");
            CalculatorLexer   calcLexer         = new CalculatorLexer(inputStream);
            CommonTokenStream commonTokenStream = new CommonTokenStream(calcLexer);
            CalculatorParser  calcParser        = new CalculatorParser(commonTokenStream);

            CalculatorParser.EquationContext equationContext = calcParser.equation();
            CalculatorVisitor calcVisitor = new CalculatorVisitor();

            calcVisitor.EnterEquation(equationContext);
            calcVisitor.printResult();
            Console.ReadLine();
        }
 /// <summary>
 /// Visit a parse tree produced by <see cref="CalculatorParser.equation"/>.
 /// <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 VisitEquation([NotNull] CalculatorParser.EquationContext context)
 {
     return(VisitChildren(context));
 }
Ejemplo n.º 4
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 /// <summary>
 /// Exit a parse tree produced by <see cref="CalculatorParser.equation"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitEquation([NotNull] CalculatorParser.EquationContext context)
 {
 }