Пример #1
0
        public override object VisitCon_diff([NotNull] StringGrammarParser.Con_diffContext context)
        {
            string result = "...";
            string left   = Visit(context.expression(0)).ToString();
            string right  = Visit(context.expression(1)).ToString();

            switch (context.op.Type)
            {
            case CONCANTENATE:
                result = left + right;
                break;

            case DIFFERENCE:
                result = diff(left, right);
                break;
            }

            return(result);
        }
 /// <summary>
 /// Exit a parse tree produced by the <c>con_diff</c>
 /// labeled alternative in <see cref="StringGrammarParser.expression"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitCon_diff([NotNull] StringGrammarParser.Con_diffContext context)
 {
 }
 /// <summary>
 /// Visit a parse tree produced by the <c>con_diff</c>
 /// labeled alternative in <see cref="StringGrammarParser.expression"/>.
 /// <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 VisitCon_diff([NotNull] StringGrammarParser.Con_diffContext context)
 {
     return(VisitChildren(context));
 }