예제 #1
0
        public override double VisitAddSubExp(SpreadsheetParser.AddSubExpContext context)
        {
            double left   = Visit(context.expression(0));
            double right  = Visit(context.expression(1));
            double result = 0;

            if (context.PLUS() != null)
            {
                result = left + right;
            }
            if (context.MINUS() != null)
            {
                result = left - right;
            }

            return(result);
        }
예제 #2
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 /// <summary>
 /// Exit a parse tree produced by the <c>addSubExp</c>
 /// labeled alternative in <see cref="SpreadsheetParser.expression"/>.
 /// <para>The default implementation does nothing.</para>
 /// </summary>
 /// <param name="context">The parse tree.</param>
 public virtual void ExitAddSubExp([NotNull] SpreadsheetParser.AddSubExpContext context)
 {
 }
예제 #3
0
 /// <summary>
 /// Visit a parse tree produced by the <c>addSubExp</c>
 /// labeled alternative in <see cref="SpreadsheetParser.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 VisitAddSubExp([NotNull] SpreadsheetParser.AddSubExpContext context)
 {
     return(VisitChildren(context));
 }