public override double VisitIncDecExpr(LabCalculatorParser.IncDecExprContext context) { var value = WalkLeft(context); if (context.operatorToken.Type == LabCalculatorLexer.DEC) { return(--value); } else //LabCalculatorLexer.INC { return(++value); } }
/// <summary> /// Visit a parse tree produced by the <c>IncDecExpr</c> /// labeled alternative in <see cref="LabCalculatorParser.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 VisitIncDecExpr([NotNull] LabCalculatorParser.IncDecExprContext context) { return(VisitChildren(context)); }
/// <summary> /// Exit a parse tree produced by the <c>IncDecExpr</c> /// labeled alternative in <see cref="LabCalculatorParser.expression"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitIncDecExpr([NotNull] LabCalculatorParser.IncDecExprContext context) { }