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/* -*- 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
#include "builtin/temporal/PlainYearMonth.h"
#include "mozilla/Assertions.h"
#include <type_traits>
#include <utility>
#include "jsnum.h"
#include "jspubtd.h"
#include "NamespaceImports.h"
#include "builtin/temporal/Calendar.h"
#include "builtin/temporal/CalendarFields.h"
#include "builtin/temporal/Duration.h"
#include "builtin/temporal/PlainDate.h"
#include "builtin/temporal/Temporal.h"
#include "builtin/temporal/TemporalParser.h"
#include "builtin/temporal/TemporalRoundingMode.h"
#include "builtin/temporal/TemporalTypes.h"
#include "builtin/temporal/TemporalUnit.h"
#include "builtin/temporal/ToString.h"
#include "ds/IdValuePair.h"
#include "gc/AllocKind.h"
#include "gc/Barrier.h"
#include "js/AllocPolicy.h"
#include "js/CallArgs.h"
#include "js/CallNonGenericMethod.h"
#include "js/Class.h"
#include "js/ErrorReport.h"
#include "js/friend/ErrorMessages.h"
#include "js/GCVector.h"
#include "js/Id.h"
#include "js/PropertyDescriptor.h"
#include "js/PropertySpec.h"
#include "js/RootingAPI.h"
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "vm/BytecodeUtil.h"
#include "vm/GlobalObject.h"
#include "vm/JSAtomState.h"
#include "vm/JSContext.h"
#include "vm/JSObject.h"
#include "vm/ObjectOperations.h"
#include "vm/PlainObject.h"
#include "vm/StringType.h"
#include "vm/JSObject-inl.h"
#include "vm/NativeObject-inl.h"
using namespace js;
using namespace js::temporal;
static inline bool IsPlainYearMonth(Handle<Value> v) {
return v.isObject() && v.toObject().is<PlainYearMonthObject>();
}
/**
* ISOYearMonthWithinLimits ( isoDate )
*/
bool js::temporal::ISOYearMonthWithinLimits(const ISODate& isoDate) {
MOZ_ASSERT(IsValidISODate(isoDate));
constexpr auto min = ISODate::min();
constexpr auto max = ISODate::max();
const auto& year = isoDate.year;
// Fast-path when the input is definitely in range.
if (min.year < year && year < max.year) {
return true;
}
// Check |isoDate| is within the valid limits.
if (year < 0) {
return isoDate >= ISODate{min.year, min.month, 1};
}
return isoDate < ISODate{max.year, max.month + 1, 1};
}
/**
* CreateTemporalYearMonth ( isoDate, calendar [ , newTarget ] )
*/
static PlainYearMonthObject* CreateTemporalYearMonth(
JSContext* cx, const CallArgs& args, const ISODate& isoDate,
Handle<CalendarValue> calendar) {
// Step 1.
if (!ISOYearMonthWithinLimits(isoDate)) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_TEMPORAL_PLAIN_YEAR_MONTH_INVALID);
return nullptr;
}
// Steps 2-3.
Rooted<JSObject*> proto(cx);
if (!GetPrototypeFromBuiltinConstructor(cx, args, JSProto_PlainYearMonth,
&proto)) {
return nullptr;
}
auto* object = NewObjectWithClassProto<PlainYearMonthObject>(cx, proto);
if (!object) {
return nullptr;
}
// Step 4.
auto packedDate = PackedDate::pack(isoDate);
object->setFixedSlot(PlainYearMonthObject::PACKED_DATE_SLOT,
PrivateUint32Value(packedDate.value));
// Step 5.
object->setFixedSlot(PlainYearMonthObject::CALENDAR_SLOT,
calendar.toSlotValue());
// Step 6.
return object;
}
/**
* CreateTemporalYearMonth ( isoDate, calendar [ , newTarget ] )
*/
PlainYearMonthObject* js::temporal::CreateTemporalYearMonth(
JSContext* cx, Handle<PlainYearMonth> yearMonth) {
MOZ_ASSERT(IsValidISODate(yearMonth));
// Step 1.
MOZ_ASSERT(ISOYearMonthWithinLimits(yearMonth));
// Steps 2-3.
auto* object = NewBuiltinClassInstance<PlainYearMonthObject>(cx);
if (!object) {
return nullptr;
}
// Step 4.
auto packedDate = PackedDate::pack(yearMonth);
object->setFixedSlot(PlainYearMonthObject::PACKED_DATE_SLOT,
PrivateUint32Value(packedDate.value));
// Step 5.
object->setFixedSlot(PlainYearMonthObject::CALENDAR_SLOT,
yearMonth.calendar().toSlotValue());
// Step 6.
return object;
}
/**
* CreateTemporalYearMonth ( isoDate, calendar [ , newTarget ] )
*/
bool js::temporal::CreateTemporalYearMonth(
JSContext* cx, const ISODate& isoDate, Handle<CalendarValue> calendar,
MutableHandle<PlainYearMonth> result) {
MOZ_ASSERT(IsValidISODate(isoDate));
// Step 1.
if (!ISOYearMonthWithinLimits(isoDate)) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_TEMPORAL_PLAIN_YEAR_MONTH_INVALID);
return false;
}
// Steps 2-6.
result.set(PlainYearMonth{isoDate, calendar});
return true;
}
struct YearMonthOptions {
TemporalOverflow overflow = TemporalOverflow::Constrain;
};
/**
* ToTemporalYearMonth ( item [ , options ] )
*/
static bool ToTemporalYearMonthOptions(JSContext* cx, Handle<Value> options,
YearMonthOptions* result) {
if (options.isUndefined()) {
*result = {};
return true;
}
// NOTE: |options| are only passed from `Temporal.PlainYearMonth.from`.
Rooted<JSObject*> resolvedOptions(
cx, RequireObjectArg(cx, "options", "from", options));
if (!resolvedOptions) {
return false;
}
auto overflow = TemporalOverflow::Constrain;
if (!GetTemporalOverflowOption(cx, resolvedOptions, &overflow)) {
return false;
}
*result = {overflow};
return true;
}
/**
* ToTemporalYearMonth ( item [ , options ] )
*/
static bool ToTemporalYearMonth(JSContext* cx, Handle<JSObject*> item,
Handle<Value> options,
MutableHandle<PlainYearMonth> result) {
// Step 1. (Not applicable in our implementation.)
// Step 2.a.
if (auto* plainYearMonth = item->maybeUnwrapIf<PlainYearMonthObject>()) {
auto date = plainYearMonth->date();
Rooted<CalendarValue> calendar(cx, plainYearMonth->calendar());
if (!calendar.wrap(cx)) {
return false;
}
// Steps 2.a.i-ii.
YearMonthOptions ignoredOptions;
if (!ToTemporalYearMonthOptions(cx, options, &ignoredOptions)) {
return false;
}
// Step 2.a.iii.
result.set(PlainYearMonth{date, calendar});
return true;
}
// Step 2.b.
Rooted<CalendarValue> calendar(cx);
if (!GetTemporalCalendarWithISODefault(cx, item, &calendar)) {
return false;
}
// Step 2.c.
Rooted<CalendarFields> fields(cx);
if (!PrepareCalendarFields(cx, calendar, item,
{
CalendarField::Year,
CalendarField::Month,
CalendarField::MonthCode,
},
&fields)) {
return false;
}
// Steps 2.d-e.
YearMonthOptions resolvedOptions;
if (!ToTemporalYearMonthOptions(cx, options, &resolvedOptions)) {
return false;
}
auto [overflow] = resolvedOptions;
// Step 2.f.
return CalendarYearMonthFromFields(cx, calendar, fields, overflow, result);
}
/**
* ToTemporalYearMonth ( item [ , options ] )
*/
static bool ToTemporalYearMonth(JSContext* cx, Handle<Value> item,
Handle<Value> options,
MutableHandle<PlainYearMonth> result) {
// Step 1. (Not applicable in our implementation.)
// Step 2.
if (item.isObject()) {
Rooted<JSObject*> itemObj(cx, &item.toObject());
return ToTemporalYearMonth(cx, itemObj, options, result);
}
// Step 3.
if (!item.isString()) {
ReportValueError(cx, JSMSG_UNEXPECTED_TYPE, JSDVG_IGNORE_STACK, item,
nullptr, "not a string");
return false;
}
Rooted<JSString*> string(cx, item.toString());
// Step 4.
ISODate date;
Rooted<JSString*> calendarString(cx);
if (!ParseTemporalYearMonthString(cx, string, &date, &calendarString)) {
return false;
}
// Steps 5-7.
Rooted<CalendarValue> calendar(cx, CalendarValue(CalendarId::ISO8601));
if (calendarString) {
if (!CanonicalizeCalendar(cx, calendarString, &calendar)) {
return false;
}
}
// Steps 8-9. (Moved below)
// Steps 10-11.
YearMonthOptions ignoredOptions;
if (!ToTemporalYearMonthOptions(cx, options, &ignoredOptions)) {
return false;
}
// TODO: spec issue - allows too large dates for ISODateToFields, which can
// be troublesome for implementations.
// Step 8. (Reordered to throw exceptions in correct order)
//
// Call CreateTemporalYearMonth to reject too large dates early.
Rooted<PlainYearMonth> yearMonth(cx);
if (!CreateTemporalYearMonth(cx, date, calendar, &yearMonth)) {
return false;
}
// Step 9.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, yearMonth, &fields)) {
return false;
}
// Steps 12-13.
return CalendarYearMonthFromFields(cx, calendar, fields,
TemporalOverflow::Constrain, result);
}
/**
* ToTemporalYearMonth ( item [ , options ] )
*/
static bool ToTemporalYearMonth(JSContext* cx, Handle<Value> item,
MutableHandle<PlainYearMonth> result) {
return ToTemporalYearMonth(cx, item, UndefinedHandleValue, result);
}
/**
* DifferenceTemporalPlainYearMonth ( operation, yearMonth, other, options )
*/
static bool DifferenceTemporalPlainYearMonth(JSContext* cx,
TemporalDifference operation,
const CallArgs& args) {
Rooted<PlainYearMonth> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 1.
Rooted<PlainYearMonth> other(cx);
if (!ToTemporalYearMonth(cx, args.get(0), &other)) {
return false;
}
// Step 2.
auto calendar = yearMonth.calendar();
// Step 3.
if (!CalendarEquals(calendar, other.calendar())) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_TEMPORAL_CALENDAR_INCOMPATIBLE,
CalendarIdentifier(calendar).data(),
CalendarIdentifier(other.calendar()).data());
return false;
}
// Steps 4-5.
DifferenceSettings settings;
Rooted<PlainObject*> resolvedOptions(cx);
if (args.hasDefined(1)) {
// Step 4.
Rooted<JSObject*> options(
cx, RequireObjectArg(cx, "options", ToName(operation), args[1]));
if (!options) {
return false;
}
// Step 5.
if (!GetDifferenceSettings(cx, operation, options, TemporalUnitGroup::Date,
TemporalUnit::Month, TemporalUnit::Month,
TemporalUnit::Year, &settings)) {
return false;
}
} else {
// Steps 4-5.
settings = {
TemporalUnit::Month,
TemporalUnit::Year,
TemporalRoundingMode::Trunc,
Increment{1},
};
}
// Step 6.
if (yearMonth.date() == other.date()) {
auto* obj = CreateTemporalDuration(cx, {});
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
// Step 7.
Rooted<CalendarFields> thisFields(cx);
if (!ISODateToFields(cx, yearMonth, &thisFields)) {
return false;
}
// Step 8.
MOZ_ASSERT(!thisFields.has(CalendarField::Day));
thisFields.setDay(1);
// Step 9.
Rooted<PlainDate> thisDate(cx);
if (!CalendarDateFromFields(cx, calendar, thisFields,
TemporalOverflow::Constrain, &thisDate)) {
return false;
}
// Step 10.
Rooted<CalendarFields> otherFields(cx);
if (!ISODateToFields(cx, other, &otherFields)) {
return false;
}
// Step 11.
MOZ_ASSERT(!otherFields.has(CalendarField::Day));
otherFields.setDay(1);
// Step 12.
Rooted<PlainDate> otherDate(cx);
if (!CalendarDateFromFields(cx, calendar, otherFields,
TemporalOverflow::Constrain, &otherDate)) {
return false;
}
// Step 13.
DateDuration until;
if (!CalendarDateUntil(cx, calendar, thisDate, otherDate,
settings.largestUnit, &until)) {
return false;
}
// Step 14. (Inlined AdjustDateDurationRecord)
//
// We only care about years and months here, all other fields are set to zero.
auto dateDuration = DateDuration{until.years, until.months};
// Step 15.
auto duration = InternalDuration{dateDuration, {}};
// Step 16.
if (settings.smallestUnit != TemporalUnit::Month ||
settings.roundingIncrement != Increment{1}) {
// Step 16.a.
auto destEpochNs = GetUTCEpochNanoseconds(ISODateTime{otherDate, {}});
// Steps 16.b-c.
auto dateTime = ISODateTime{thisDate, {}};
// Step 16.d.
Rooted<TimeZoneValue> timeZone(cx, TimeZoneValue{});
if (!RoundRelativeDuration(
cx, duration, destEpochNs, dateTime, timeZone, calendar,
settings.largestUnit, settings.roundingIncrement,
settings.smallestUnit, settings.roundingMode, &duration)) {
return false;
}
}
MOZ_ASSERT(IsValidDuration(duration));
MOZ_ASSERT(duration.date.weeks == 0);
MOZ_ASSERT(duration.date.days == 0);
MOZ_ASSERT(duration.time == TimeDuration{});
// FIXME: spec issue - TemporalDurationFromInternal is infallible
// Step 17. (Inlined TemporalDurationFromInternal)
auto result = duration.date.toDuration();
// Step 18.
if (operation == TemporalDifference::Since) {
result = result.negate();
}
// Step 19.
auto* obj = CreateTemporalDuration(cx, result);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* AddDurationToYearMonth ( operation, yearMonth, temporalDurationLike, options
* )
*/
static bool AddDurationToYearMonth(JSContext* cx, TemporalAddDuration operation,
const CallArgs& args) {
Rooted<PlainYearMonth> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 1.
Duration duration;
if (!ToTemporalDuration(cx, args.get(0), &duration)) {
return false;
}
// Step 2.
if (operation == TemporalAddDuration::Subtract) {
duration = duration.negate();
}
// Steps 3-4.
auto overflow = TemporalOverflow::Constrain;
if (args.hasDefined(1)) {
// Step 3.
Rooted<JSObject*> options(
cx, RequireObjectArg(cx, "options", ToName(operation), args[1]));
if (!options) {
return false;
}
// Step 4.
if (!GetTemporalOverflowOption(cx, options, &overflow)) {
return false;
}
}
// Step 5.
int32_t sign = DurationSign(duration);
// Step 6.
auto calendar = yearMonth.calendar();
// Step 7.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, yearMonth, &fields)) {
return false;
}
// Step 8.
MOZ_ASSERT(!fields.has(CalendarField::Day));
fields.setDay(1);
// Step 9.
Rooted<PlainDate> intermediateDate(cx);
if (!CalendarDateFromFields(cx, calendar, fields, TemporalOverflow::Constrain,
&intermediateDate)) {
return false;
}
// Steps 10-11.
ISODate date;
if (sign < 0) {
// |intermediateDate| is initialized to the first day of |yearMonth|'s
// month. Compute the last day of |yearMonth|'s month by first adding one
// month and then subtracting one day.
//
// This is roughly equivalent to these calls:
//
// js> var ym = new Temporal.PlainYearMonth(2023, 1);
// js> ym.toPlainDate({day: 1}).add({months: 1}).subtract({days: 1}).day
// 31
//
// For many calendars this is equivalent to `ym.daysInMonth`, except when
// some days are skipped, for example consider the Julian-to-Gregorian
// calendar transition.
// Step 10.a.
auto oneMonthDuration = DateDuration{0, 1};
// Step 10.b.
ISODate nextMonth;
if (!CalendarDateAdd(cx, calendar, intermediateDate, oneMonthDuration,
TemporalOverflow::Constrain, &nextMonth)) {
return false;
}
// Step 10.c.
date = BalanceISODate(nextMonth, -1);
// Step 10.d.
MOZ_ASSERT(ISODateWithinLimits(date));
} else {
// Step 11.a.
date = intermediateDate;
}
// Steps 12.
auto durationToAdd = ToDateDurationRecordWithoutTime(duration);
// Step 13.
ISODate addedDate;
if (!CalendarDateAdd(cx, calendar, date, durationToAdd, overflow,
&addedDate)) {
return false;
}
MOZ_ASSERT(ISODateWithinLimits(addedDate));
Rooted<PlainYearMonth> addedYearMonth(cx,
PlainYearMonth{addedDate, calendar});
// Step 14.
Rooted<CalendarFields> addedDateFields(cx);
if (!ISODateToFields(cx, addedYearMonth, &addedDateFields)) {
return false;
}
// Step 15.
Rooted<PlainYearMonth> result(cx);
if (!CalendarYearMonthFromFields(cx, calendar, addedDateFields, overflow,
&result)) {
return false;
}
// Step 16.
auto* obj = CreateTemporalYearMonth(cx, result);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* Temporal.PlainYearMonth ( isoYear, isoMonth [ , calendar [ , referenceISODay
* ] ] )
*/
static bool PlainYearMonthConstructor(JSContext* cx, unsigned argc, Value* vp) {
CallArgs args = CallArgsFromVp(argc, vp);
// Step 1.
if (!ThrowIfNotConstructing(cx, args, "Temporal.PlainYearMonth")) {
return false;
}
// Step 3.
double isoYear;
if (!ToIntegerWithTruncation(cx, args.get(0), "year", &isoYear)) {
return false;
}
// Step 4.
double isoMonth;
if (!ToIntegerWithTruncation(cx, args.get(1), "month", &isoMonth)) {
return false;
}
// Steps 5-7.
Rooted<CalendarValue> calendar(cx, CalendarValue(CalendarId::ISO8601));
if (args.hasDefined(2)) {
// Step 6.
if (!args[2].isString()) {
ReportValueError(cx, JSMSG_UNEXPECTED_TYPE, JSDVG_IGNORE_STACK, args[2],
nullptr, "not a string");
return false;
}
// Step 7.
Rooted<JSString*> calendarString(cx, args[2].toString());
if (!CanonicalizeCalendar(cx, calendarString, &calendar)) {
return false;
}
}
// Steps 2 and 8.
double isoDay = 1;
if (args.hasDefined(3)) {
if (!ToIntegerWithTruncation(cx, args[3], "day", &isoDay)) {
return false;
}
}
// Step 9.
if (!ThrowIfInvalidISODate(cx, isoYear, isoMonth, isoDay)) {
return false;
}
// Step 10.
auto isoDate = ISODate{int32_t(isoYear), int32_t(isoMonth), int32_t(isoDay)};
// Step 11.
auto* yearMonth = CreateTemporalYearMonth(cx, args, isoDate, calendar);
if (!yearMonth) {
return false;
}
args.rval().setObject(*yearMonth);
return true;
}
/**
* Temporal.PlainYearMonth.from ( item [ , options ] )
*/
static bool PlainYearMonth_from(JSContext* cx, unsigned argc, Value* vp) {
CallArgs args = CallArgsFromVp(argc, vp);
// Step 1.
Rooted<PlainYearMonth> yearMonth(cx);
if (!ToTemporalYearMonth(cx, args.get(0), args.get(1), &yearMonth)) {
return false;
}
auto* result = CreateTemporalYearMonth(cx, yearMonth);
if (!result) {
return false;
}
args.rval().setObject(*result);
return true;
}
/**
* Temporal.PlainYearMonth.compare ( one, two )
*/
static bool PlainYearMonth_compare(JSContext* cx, unsigned argc, Value* vp) {
CallArgs args = CallArgsFromVp(argc, vp);
// Step 1.
Rooted<PlainYearMonth> one(cx);
if (!ToTemporalYearMonth(cx, args.get(0), &one)) {
return false;
}
// Step 2.
Rooted<PlainYearMonth> two(cx);
if (!ToTemporalYearMonth(cx, args.get(1), &two)) {
return false;
}
// Step 3.
args.rval().setInt32(CompareISODate(one, two));
return true;
}
/**
* get Temporal.PlainYearMonth.prototype.calendarId
*/
static bool PlainYearMonth_calendarId(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
// Step 3.
auto* str =
NewStringCopy<CanGC>(cx, CalendarIdentifier(yearMonth->calendar()));
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* get Temporal.PlainYearMonth.prototype.calendarId
*/
static bool PlainYearMonth_calendarId(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_calendarId>(
cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.era
*/
static bool PlainYearMonth_era(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarEra(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.era
*/
static bool PlainYearMonth_era(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_era>(cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.eraYear
*/
static bool PlainYearMonth_eraYear(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Steps 3-5.
return CalendarEraYear(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.eraYear
*/
static bool PlainYearMonth_eraYear(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_eraYear>(cx,
args);
}
/**
* get Temporal.PlainYearMonth.prototype.year
*/
static bool PlainYearMonth_year(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarYear(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.year
*/
static bool PlainYearMonth_year(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_year>(cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.month
*/
static bool PlainYearMonth_month(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarMonth(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.month
*/
static bool PlainYearMonth_month(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_month>(cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.monthCode
*/
static bool PlainYearMonth_monthCode(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarMonthCode(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.monthCode
*/
static bool PlainYearMonth_monthCode(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_monthCode>(cx,
args);
}
/**
* get Temporal.PlainYearMonth.prototype.daysInYear
*/
static bool PlainYearMonth_daysInYear(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarDaysInYear(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.daysInYear
*/
static bool PlainYearMonth_daysInYear(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_daysInYear>(
cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.daysInMonth
*/
static bool PlainYearMonth_daysInMonth(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarDaysInMonth(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.daysInMonth
*/
static bool PlainYearMonth_daysInMonth(JSContext* cx, unsigned argc,
Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_daysInMonth>(
cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.monthsInYear
*/
static bool PlainYearMonth_monthsInYear(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarMonthsInYear(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.monthsInYear
*/
static bool PlainYearMonth_monthsInYear(JSContext* cx, unsigned argc,
Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_monthsInYear>(
cx, args);
}
/**
* get Temporal.PlainYearMonth.prototype.inLeapYear
*/
static bool PlainYearMonth_inLeapYear(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
return CalendarInLeapYear(cx, calendar, yearMonth->date(), args.rval());
}
/**
* get Temporal.PlainYearMonth.prototype.inLeapYear
*/
static bool PlainYearMonth_inLeapYear(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_inLeapYear>(
cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.with ( temporalYearMonthLike [ , options ]
* )
*/
static bool PlainYearMonth_with(JSContext* cx, const CallArgs& args) {
Rooted<PlainYearMonth> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 3.
Rooted<JSObject*> temporalYearMonthLike(
cx, RequireObjectArg(cx, "temporalYearMonthLike", "with", args.get(0)));
if (!temporalYearMonthLike) {
return false;
}
if (!ThrowIfTemporalLikeObject(cx, temporalYearMonthLike)) {
return false;
}
// Step 4.
auto calendar = yearMonth.calendar();
// Step 5.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, yearMonth, &fields)) {
return false;
}
// Step 6.
Rooted<CalendarFields> partialYearMonth(cx);
if (!PreparePartialCalendarFields(cx, calendar, temporalYearMonthLike,
{
CalendarField::Year,
CalendarField::Month,
CalendarField::MonthCode,
},
&partialYearMonth)) {
return false;
}
MOZ_ASSERT(!partialYearMonth.keys().isEmpty());
// Step 7.
fields = CalendarMergeFields(calendar, fields, partialYearMonth);
// Steps 8-9.
auto overflow = TemporalOverflow::Constrain;
if (args.hasDefined(1)) {
// Step 8.
Rooted<JSObject*> options(cx,
RequireObjectArg(cx, "options", "with", args[1]));
if (!options) {
return false;
}
// Step 9.
if (!GetTemporalOverflowOption(cx, options, &overflow)) {
return false;
}
}
// Step 10.
Rooted<PlainYearMonth> result(cx);
if (!CalendarYearMonthFromFields(cx, calendar, fields, overflow, &result)) {
return false;
}
// Step 11.
auto* obj = CreateTemporalYearMonth(cx, result);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.with ( temporalYearMonthLike [ , options ]
* )
*/
static bool PlainYearMonth_with(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_with>(cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.add ( temporalDurationLike [ , options ] )
*/
static bool PlainYearMonth_add(JSContext* cx, const CallArgs& args) {
// Step 3.
return AddDurationToYearMonth(cx, TemporalAddDuration::Add, args);
}
/**
* Temporal.PlainYearMonth.prototype.add ( temporalDurationLike [ , options ] )
*/
static bool PlainYearMonth_add(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_add>(cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.subtract ( temporalDurationLike [ , options
* ] )
*/
static bool PlainYearMonth_subtract(JSContext* cx, const CallArgs& args) {
// Step 3.
return AddDurationToYearMonth(cx, TemporalAddDuration::Subtract, args);
}
/**
* Temporal.PlainYearMonth.prototype.subtract ( temporalDurationLike [ , options
* ] )
*/
static bool PlainYearMonth_subtract(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_subtract>(cx,
args);
}
/**
* Temporal.PlainYearMonth.prototype.until ( other [ , options ] )
*/
static bool PlainYearMonth_until(JSContext* cx, const CallArgs& args) {
// Step 3.
return DifferenceTemporalPlainYearMonth(cx, TemporalDifference::Until, args);
}
/**
* Temporal.PlainYearMonth.prototype.until ( other [ , options ] )
*/
static bool PlainYearMonth_until(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_until>(cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.since ( other [ , options ] )
*/
static bool PlainYearMonth_since(JSContext* cx, const CallArgs& args) {
// Step 3.
return DifferenceTemporalPlainYearMonth(cx, TemporalDifference::Since, args);
}
/**
* Temporal.PlainYearMonth.prototype.since ( other [ , options ] )
*/
static bool PlainYearMonth_since(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_since>(cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.equals ( other )
*/
static bool PlainYearMonth_equals(JSContext* cx, const CallArgs& args) {
auto* yearMonth = &args.thisv().toObject().as<PlainYearMonthObject>();
auto date = yearMonth->date();
Rooted<CalendarValue> calendar(cx, yearMonth->calendar());
// Step 3.
Rooted<PlainYearMonth> other(cx);
if (!ToTemporalYearMonth(cx, args.get(0), &other)) {
return false;
}
// Steps 4-7.
bool equals =
date == other.date() && CalendarEquals(calendar, other.calendar());
args.rval().setBoolean(equals);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.equals ( other )
*/
static bool PlainYearMonth_equals(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_equals>(cx,
args);
}
/**
* Temporal.PlainYearMonth.prototype.toString ( [ options ] )
*/
static bool PlainYearMonth_toString(JSContext* cx, const CallArgs& args) {
Rooted<PlainYearMonthObject*> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
auto showCalendar = ShowCalendar::Auto;
if (args.hasDefined(0)) {
// Step 3.
Rooted<JSObject*> options(
cx, RequireObjectArg(cx, "options", "toString", args[0]));
if (!options) {
return false;
}
// Step 4.
if (!GetTemporalShowCalendarNameOption(cx, options, &showCalendar)) {
return false;
}
}
// Step 5.
JSString* str = TemporalYearMonthToString(cx, yearMonth, showCalendar);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.toString ( [ options ] )
*/
static bool PlainYearMonth_toString(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_toString>(cx,
args);
}
/**
* Temporal.PlainYearMonth.prototype.toLocaleString ( [ locales [ , options ] ]
* )
*/
static bool PlainYearMonth_toLocaleString(JSContext* cx, const CallArgs& args) {
Rooted<PlainYearMonthObject*> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 3.
JSString* str = TemporalYearMonthToString(cx, yearMonth, ShowCalendar::Auto);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.toLocaleString ( [ locales [ , options ] ]
* )
*/
static bool PlainYearMonth_toLocaleString(JSContext* cx, unsigned argc,
Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_toLocaleString>(
cx, args);
}
/**
* Temporal.PlainYearMonth.prototype.toJSON ( )
*/
static bool PlainYearMonth_toJSON(JSContext* cx, const CallArgs& args) {
Rooted<PlainYearMonthObject*> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 3.
JSString* str = TemporalYearMonthToString(cx, yearMonth, ShowCalendar::Auto);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.toJSON ( )
*/
static bool PlainYearMonth_toJSON(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_toJSON>(cx,
args);
}
/**
* Temporal.PlainYearMonth.prototype.valueOf ( )
*/
static bool PlainYearMonth_valueOf(JSContext* cx, unsigned argc, Value* vp) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_CANT_CONVERT_TO,
"PlainYearMonth", "primitive type");
return false;
}
/**
* Temporal.PlainYearMonth.prototype.toPlainDate ( item )
*/
static bool PlainYearMonth_toPlainDate(JSContext* cx, const CallArgs& args) {
Rooted<PlainYearMonth> yearMonth(
cx, &args.thisv().toObject().as<PlainYearMonthObject>());
// Step 3.
Rooted<JSObject*> item(
cx, RequireObjectArg(cx, "item", "toPlainDate", args.get(0)));
if (!item) {
return false;
}
// Step 4.
auto calendar = yearMonth.calendar();
// Step 5.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, yearMonth, &fields)) {
return false;
}
// Step 6.
Rooted<CalendarFields> inputFields(cx);
if (!PrepareCalendarFields(cx, calendar, item,
{
CalendarField::Day,
},
&inputFields)) {
return false;
}
// Step 7.
fields = CalendarMergeFields(calendar, fields, inputFields);
// Step 8.
Rooted<PlainDate> result(cx);
if (!CalendarDateFromFields(cx, calendar, fields, TemporalOverflow::Constrain,
&result)) {
return false;
}
// Step 9.
auto* obj = CreateTemporalDate(cx, result);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* Temporal.PlainYearMonth.prototype.toPlainDate ( item )
*/
static bool PlainYearMonth_toPlainDate(JSContext* cx, unsigned argc,
Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainYearMonth, PlainYearMonth_toPlainDate>(
cx, args);
}
const JSClass PlainYearMonthObject::class_ = {
"Temporal.PlainYearMonth",
JSCLASS_HAS_RESERVED_SLOTS(PlainYearMonthObject::SLOT_COUNT) |
JSCLASS_HAS_CACHED_PROTO(JSProto_PlainYearMonth),
JS_NULL_CLASS_OPS,
&PlainYearMonthObject::classSpec_,
};
const JSClass& PlainYearMonthObject::protoClass_ = PlainObject::class_;
static const JSFunctionSpec PlainYearMonth_methods[] = {
JS_FN("from", PlainYearMonth_from, 1, 0),
JS_FN("compare", PlainYearMonth_compare, 2, 0),
JS_FS_END,
};
static const JSFunctionSpec PlainYearMonth_prototype_methods[] = {
JS_FN("with", PlainYearMonth_with, 1, 0),
JS_FN("add", PlainYearMonth_add, 1, 0),
JS_FN("subtract", PlainYearMonth_subtract, 1, 0),
JS_FN("until", PlainYearMonth_until, 1, 0),
JS_FN("since", PlainYearMonth_since, 1, 0),
JS_FN("equals", PlainYearMonth_equals, 1, 0),
JS_FN("toString", PlainYearMonth_toString, 0, 0),
JS_FN("toLocaleString", PlainYearMonth_toLocaleString, 0, 0),
JS_FN("toJSON", PlainYearMonth_toJSON, 0, 0),
JS_FN("valueOf", PlainYearMonth_valueOf, 0, 0),
JS_FN("toPlainDate", PlainYearMonth_toPlainDate, 1, 0),
JS_FS_END,
};
static const JSPropertySpec PlainYearMonth_prototype_properties[] = {
JS_PSG("calendarId", PlainYearMonth_calendarId, 0),
JS_PSG("era", PlainYearMonth_era, 0),
JS_PSG("eraYear", PlainYearMonth_eraYear, 0),
JS_PSG("year", PlainYearMonth_year, 0),
JS_PSG("month", PlainYearMonth_month, 0),
JS_PSG("monthCode", PlainYearMonth_monthCode, 0),
JS_PSG("daysInYear", PlainYearMonth_daysInYear, 0),
JS_PSG("daysInMonth", PlainYearMonth_daysInMonth, 0),
JS_PSG("monthsInYear", PlainYearMonth_monthsInYear, 0),
JS_PSG("inLeapYear", PlainYearMonth_inLeapYear, 0),
JS_STRING_SYM_PS(toStringTag, "Temporal.PlainYearMonth", JSPROP_READONLY),
JS_PS_END,
};
const ClassSpec PlainYearMonthObject::classSpec_ = {
GenericCreateConstructor<PlainYearMonthConstructor, 2,
gc::AllocKind::FUNCTION>,
GenericCreatePrototype<PlainYearMonthObject>,
PlainYearMonth_methods,
nullptr,
PlainYearMonth_prototype_methods,
PlainYearMonth_prototype_properties,
nullptr,
ClassSpec::DontDefineConstructor,
};