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)
{
}
