Exemplo n.º 1
0
        public override double VisitAdditiveExpr(ExcelApplicationParser.AdditiveExprContext context)
        {
            var left  = WalkLeft(context);
            var right = WalkRight(context);

            if (context.operatorToken.Type == ExcelApplicationLexer.ADD)
            {
                Debug.WriteLine("{0} + {1}", left, right);
                return(left + right);
            }
            else //ExcelApplicationLexer.SUBTRACT
            {
                Debug.WriteLine("{0} - {1}", left, right);
                return(left - right);
            }
        }
 /// <summary>
 /// Visit a parse tree produced by the <c>AdditiveExpr</c>
 /// labeled alternative in <see cref="ExcelApplicationParser.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 VisitAdditiveExpr([NotNull] ExcelApplicationParser.AdditiveExprContext context)
 {
     return(VisitChildren(context));
 }
Exemplo n.º 3
0
 /// <summary>
 /// Exit a parse tree produced by the <c>AdditiveExpr</c>
 /// labeled alternative in <see cref="ExcelApplicationParser.expression"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitAdditiveExpr([NotNull] ExcelApplicationParser.AdditiveExprContext context)
 {
 }