/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef builtin_temporal_PlainYearMonth_h
#define builtin_temporal_PlainYearMonth_h
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include <stdint.h>
#include "builtin/temporal/Calendar.h"
#include "builtin/temporal/TemporalTypes.h"
#include "js/RootingAPI.h"
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "vm/NativeObject.h"
namespace js {
struct ClassSpec;
}
namespace js::temporal {
class PlainYearMonthObject :
public NativeObject {
public:
static const JSClass class_;
static const JSClass& protoClass_;
static constexpr uint32_t PACKED_DATE_SLOT =
0;
static constexpr uint32_t CALENDAR_SLOT =
1;
static constexpr uint32_t SLOT_COUNT =
2;
/**
* Extract the date fields from this PlainYearMonth object.
*/
ISODate date()
const {
auto packed = PackedDate{getFixedSlot(PACKED_DATE_SLOT).toPrivateUint32()};
return PackedDate::unpack(packed);
}
CalendarValue calendar()
const {
return CalendarValue(getFixedSlot(CALENDAR_SLOT));
}
private:
static const ClassSpec classSpec_;
};
/**
* ISOYearMonthWithinLimits ( isoDate )
*/
bool ISOYearMonthWithinLimits(
const ISODate& isoDate);
class MOZ_STACK_CLASS PlainYearMonth final {
ISODate date_;
CalendarValue calendar_;
public:
PlainYearMonth() =
default;
PlainYearMonth(
const ISODate& date,
const CalendarValue& calendar)
: date_(date), calendar_(calendar) {
MOZ_ASSERT(ISOYearMonthWithinLimits(date));
}
explicit PlainYearMonth(
const PlainYearMonthObject* yearMonth)
: PlainYearMonth(yearMonth->date(), yearMonth->calendar()) {}
const auto& date()
const {
return date_; }
const auto& calendar()
const {
return calendar_; }
// Allow implicit conversion to an ISODate.
operator const ISODate&()
const {
return date(); }
void trace(JSTracer* trc) { calendar_.trace(trc); }
const auto* calendarDoNotUse()
const {
return &calendar_; }
};
/**
* CreateTemporalYearMonth ( isoDate, calendar [ , newTarget ] )
*/
PlainYearMonthObject* CreateTemporalYearMonth(
JSContext* cx, JS::Handle<PlainYearMonth> yearMonth);
/**
* CreateTemporalYearMonth ( isoDate, calendar [ , newTarget ] )
*/
bool CreateTemporalYearMonth(JSContext* cx,
const ISODate& isoDate,
JS::Handle<CalendarValue> calendar,
JS::MutableHandle<PlainYearMonth> result);
}
/* namespace js::temporal */
namespace js {
template <
typename Wrapper>
class WrappedPtrOperations<temporal::PlainYearMonth, Wrapper> {
const auto& container()
const {
return static_cast<
const Wrapper*>(
this)->get();
}
public:
const auto& date()
const {
return container().date(); }
JS::Handle<temporal::CalendarValue> calendar()
const {
return JS::Handle<temporal::CalendarValue>::fromMarkedLocation(
container().calendarDoNotUse());
}
// Allow implicit conversion to an ISODate.
operator const temporal::ISODate&()
const {
return date(); }
};
}
// namespace js
#endif /* builtin_temporal_PlainYearMonth_h */
