/// <summary>
/// Zwraca zsumowana lub odjeta wartosc podrzednych wezlow typu Timespan i Timespan
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override Time VisitTimespanOpTimespan([NotNull] DateCalculatorParser.TimespanOpTimespanContext context)
{
Time time1 = Visit(context.GetChild(0));
Time time2 = Visit(context.GetChild(2));
Time wynik = new Time();
switch (context.op.Type)
{
case DateCalculatorParser.Add:
wynik.timespan = time1.timespan.Add(time2.timespan);
break;
case DateCalculatorParser.Subtract:
wynik.timespan = time1.timespan.Subtract(time2.timespan);
break;
default:
throw new ArgumentOutOfRangeException();
}
wynik.isTimeSpan = true;
return(wynik);
}
/// <summary>
/// Exit a parse tree produced by the <c>timespanOpTimespan</c>
/// labeled alternative in <see cref="DateCalculatorParser.operation"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitTimespanOpTimespan([NotNull] DateCalculatorParser.TimespanOpTimespanContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>timespanOpTimespan</c>
/// labeled alternative in <see cref="DateCalculatorParser.operation"/>.
/// <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 VisitTimespanOpTimespan([NotNull] DateCalculatorParser.TimespanOpTimespanContext context)
{
return(VisitChildren(context));
}
