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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/PlainMonthDay.h"
#include "mozilla/Assertions.h"
#include <utility>
#include "jsnum.h"
#include "jspubtd.h"
#include "NamespaceImports.h"
#include "builtin/temporal/Calendar.h"
#include "builtin/temporal/CalendarFields.h"
#include "builtin/temporal/PlainDate.h"
#include "builtin/temporal/PlainDateTime.h"
#include "builtin/temporal/PlainYearMonth.h"
#include "builtin/temporal/Temporal.h"
#include "builtin/temporal/TemporalParser.h"
#include "builtin/temporal/TemporalTypes.h"
#include "builtin/temporal/ToString.h"
#include "builtin/temporal/ZonedDateTime.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/PlainObject.h"
#include "vm/StringType.h"
#include "vm/JSObject-inl.h"
#include "vm/NativeObject-inl.h"
#include "vm/ObjectOperations-inl.h"
using namespace js;
using namespace js::temporal;
static inline bool IsPlainMonthDay(Handle<Value> v) {
return v.isObject() && v.toObject().is<PlainMonthDayObject>();
}
/**
* CreateTemporalMonthDay ( isoDate, calendar [ , newTarget ] )
*/
static PlainMonthDayObject* CreateTemporalMonthDay(
JSContext* cx, const CallArgs& args, const ISODate& isoDate,
Handle<CalendarValue> calendar) {
// Step 1.
if (!ISODateWithinLimits(isoDate)) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_TEMPORAL_PLAIN_MONTH_DAY_INVALID);
return nullptr;
}
// Steps 2-3.
Rooted<JSObject*> proto(cx);
if (!GetPrototypeFromBuiltinConstructor(cx, args, JSProto_PlainMonthDay,
&proto)) {
return nullptr;
}
auto* object = NewObjectWithClassProto<PlainMonthDayObject>(cx, proto);
if (!object) {
return nullptr;
}
// Step 4.
auto packedDate = PackedDate::pack(isoDate);
object->setFixedSlot(PlainMonthDayObject::PACKED_DATE_SLOT,
PrivateUint32Value(packedDate.value));
// Step 5.
object->setFixedSlot(PlainMonthDayObject::CALENDAR_SLOT,
calendar.toSlotValue());
// Step 6.
return object;
}
/**
* CreateTemporalMonthDay ( isoDate, calendar [ , newTarget ] )
*/
PlainMonthDayObject* js::temporal::CreateTemporalMonthDay(
JSContext* cx, Handle<PlainMonthDay> monthDay) {
MOZ_ASSERT(IsValidISODate(monthDay));
// Step 1.
MOZ_ASSERT(ISODateWithinLimits(monthDay));
// Steps 2-3.
auto* object = NewBuiltinClassInstance<PlainMonthDayObject>(cx);
if (!object) {
return nullptr;
}
// Step 4.
auto packedDate = PackedDate::pack(monthDay);
object->setFixedSlot(PlainMonthDayObject::PACKED_DATE_SLOT,
PrivateUint32Value(packedDate.value));
// Step 5.
object->setFixedSlot(PlainMonthDayObject::CALENDAR_SLOT,
monthDay.calendar().toSlotValue());
// Step 6.
return object;
}
/**
* CreateTemporalMonthDay ( isoDate, calendar [ , newTarget ] )
*/
bool js::temporal::CreateTemporalMonthDay(JSContext* cx, const ISODate& isoDate,
Handle<CalendarValue> calendar,
MutableHandle<PlainMonthDay> result) {
MOZ_ASSERT(IsValidISODate(isoDate));
// Step 1.
if (!ISODateWithinLimits(isoDate)) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_TEMPORAL_PLAIN_MONTH_DAY_INVALID);
return false;
}
// Steps 2-6.
result.set(PlainMonthDay{isoDate, calendar});
return true;
}
struct MonthDayOptions {
TemporalOverflow overflow = TemporalOverflow::Constrain;
};
/**
* ToTemporalMonthDay ( item [ , options ] )
*/
static bool ToTemporalMonthDayOptions(JSContext* cx, Handle<Value> options,
MonthDayOptions* result) {
if (options.isUndefined()) {
*result = {};
return true;
}
// NOTE: |options| are only passed from `Temporal.PlainMonthDay.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;
}
/**
* ToTemporalMonthDay ( item [ , options ] )
*/
static bool ToTemporalMonthDay(JSContext* cx, Handle<JSObject*> item,
Handle<Value> options,
MutableHandle<PlainMonthDay> result) {
// Step 2.a.
if (auto* plainMonthDay = item->maybeUnwrapIf<PlainMonthDayObject>()) {
auto date = plainMonthDay->date();
Rooted<CalendarValue> calendar(cx, plainMonthDay->calendar());
if (!calendar.wrap(cx)) {
return false;
}
// Steps 2.a.i-ii.
MonthDayOptions ignoredOptions;
if (!ToTemporalMonthDayOptions(cx, options, &ignoredOptions)) {
return false;
}
// Step 2.a.iii.
result.set(PlainMonthDay{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,
CalendarField::Day,
},
&fields)) {
return false;
}
// Steps 2.d-e.
MonthDayOptions resolvedOptions;
if (!ToTemporalMonthDayOptions(cx, options, &resolvedOptions)) {
return false;
}
auto [overflow] = resolvedOptions;
// Step 2.f.
return CalendarMonthDayFromFields(cx, calendar, fields, overflow, result);
}
/**
* ToTemporalMonthDay ( item [ , options ] )
*/
static bool ToTemporalMonthDay(JSContext* cx, Handle<Value> item,
Handle<Value> options,
MutableHandle<PlainMonthDay> result) {
// Step 1. (Not applicable in our implementation.)
// Step 2.
if (item.isObject()) {
Rooted<JSObject*> itemObj(cx, &item.toObject());
return ToTemporalMonthDay(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;
bool hasYear;
Rooted<JSString*> calendarString(cx);
if (!ParseTemporalMonthDayString(cx, string, &date, &hasYear,
&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.
MonthDayOptions ignoredOptions;
if (!ToTemporalMonthDayOptions(cx, options, &ignoredOptions)) {
return false;
}
// Step 10.
if (!hasYear) {
// Step 10.a.
MOZ_ASSERT(calendar.identifier() == CalendarId::ISO8601);
// Step 10.b.
constexpr int32_t referenceISOYear = 1972;
// Step 10.c.
return CreateTemporalMonthDay(cx, {referenceISOYear, date.month, date.day},
calendar, result);
}
// Steps 11.
//
// Call CreateTemporalMonthDay to reject too large dates early.
Rooted<PlainMonthDay> monthDay(cx);
if (!CreateTemporalMonthDay(cx, date, calendar, &monthDay)) {
return false;
}
// Step 12.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, monthDay, &fields)) {
return false;
}
// Steps 13-14.
return CalendarMonthDayFromFields(cx, calendar, fields,
TemporalOverflow::Constrain, result);
}
/**
* ToTemporalMonthDay ( item [ , options ] )
*/
static bool ToTemporalMonthDay(JSContext* cx, Handle<Value> item,
MutableHandle<PlainMonthDay> result) {
return ToTemporalMonthDay(cx, item, UndefinedHandleValue, result);
}
/**
* Temporal.PlainMonthDay ( isoMonth, isoDay [ , calendar [ , referenceISOYear ]
* ] )
*/
static bool PlainMonthDayConstructor(JSContext* cx, unsigned argc, Value* vp) {
CallArgs args = CallArgsFromVp(argc, vp);
// Step 1.
if (!ThrowIfNotConstructing(cx, args, "Temporal.PlainMonthDay")) {
return false;
}
// Step 3.
double isoMonth;
if (!ToIntegerWithTruncation(cx, args.get(0), "month", &isoMonth)) {
return false;
}
// Step 4.
double isoDay;
if (!ToIntegerWithTruncation(cx, args.get(1), "day", &isoDay)) {
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 isoYear = 1972;
if (args.hasDefined(3)) {
if (!ToIntegerWithTruncation(cx, args[3], "year", &isoYear)) {
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 9.
auto* monthDay = CreateTemporalMonthDay(cx, args, isoDate, calendar);
if (!monthDay) {
return false;
}
args.rval().setObject(*monthDay);
return true;
}
/**
* Temporal.PlainMonthDay.from ( item [ , options ] )
*/
static bool PlainMonthDay_from(JSContext* cx, unsigned argc, Value* vp) {
CallArgs args = CallArgsFromVp(argc, vp);
// Step 1.
Rooted<PlainMonthDay> monthDay(cx);
if (!ToTemporalMonthDay(cx, args.get(0), args.get(1), &monthDay)) {
return false;
}
auto* result = CreateTemporalMonthDay(cx, monthDay);
if (!result) {
return false;
}
args.rval().setObject(*result);
return true;
}
/**
* get Temporal.PlainMonthDay.prototype.calendarId
*/
static bool PlainMonthDay_calendarId(JSContext* cx, const CallArgs& args) {
auto* monthDay = &args.thisv().toObject().as<PlainMonthDayObject>();
// Step 3.
auto* str =
NewStringCopy<CanGC>(cx, CalendarIdentifier(monthDay->calendar()));
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* get Temporal.PlainMonthDay.prototype.calendarId
*/
static bool PlainMonthDay_calendarId(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_calendarId>(cx,
args);
}
/**
* get Temporal.PlainMonthDay.prototype.monthCode
*/
static bool PlainMonthDay_monthCode(JSContext* cx, const CallArgs& args) {
auto* monthDay = &args.thisv().toObject().as<PlainMonthDayObject>();
Rooted<CalendarValue> calendar(cx, monthDay->calendar());
// Step 3.
return CalendarMonthCode(cx, calendar, monthDay->date(), args.rval());
}
/**
* get Temporal.PlainMonthDay.prototype.monthCode
*/
static bool PlainMonthDay_monthCode(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_monthCode>(cx,
args);
}
/**
* get Temporal.PlainMonthDay.prototype.day
*/
static bool PlainMonthDay_day(JSContext* cx, const CallArgs& args) {
auto* monthDay = &args.thisv().toObject().as<PlainMonthDayObject>();
Rooted<CalendarValue> calendar(cx, monthDay->calendar());
// Step 3.
return CalendarDay(cx, calendar, monthDay->date(), args.rval());
}
/**
* get Temporal.PlainMonthDay.prototype.day
*/
static bool PlainMonthDay_day(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_day>(cx, args);
}
/**
* Temporal.PlainMonthDay.prototype.with ( temporalMonthDayLike [ , options ] )
*/
static bool PlainMonthDay_with(JSContext* cx, const CallArgs& args) {
Rooted<PlainMonthDay> monthDay(
cx, &args.thisv().toObject().as<PlainMonthDayObject>());
// Step 3.
Rooted<JSObject*> temporalMonthDayLike(
cx, RequireObjectArg(cx, "temporalMonthDayLike", "with", args.get(0)));
if (!temporalMonthDayLike) {
return false;
}
if (!ThrowIfTemporalLikeObject(cx, temporalMonthDayLike)) {
return false;
}
// Step 4.
auto calendar = monthDay.calendar();
// Step 5.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, monthDay, &fields)) {
return false;
}
// Step 6.
Rooted<CalendarFields> partialMonthDay(cx);
if (!PreparePartialCalendarFields(cx, calendar, temporalMonthDayLike,
{
CalendarField::Year,
CalendarField::Month,
CalendarField::MonthCode,
CalendarField::Day,
},
&partialMonthDay)) {
return false;
}
MOZ_ASSERT(!partialMonthDay.keys().isEmpty());
// Step 7.
fields = CalendarMergeFields(calendar, fields, partialMonthDay);
// 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<PlainMonthDay> result(cx);
if (!CalendarMonthDayFromFields(cx, calendar, fields, overflow, &result)) {
return false;
}
MOZ_ASSERT(ISODateWithinLimits(result));
// Step 11.
auto* obj = CreateTemporalMonthDay(cx, result);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* Temporal.PlainMonthDay.prototype.with ( temporalMonthDayLike [ , options ] )
*/
static bool PlainMonthDay_with(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_with>(cx, args);
}
/**
* Temporal.PlainMonthDay.prototype.equals ( other )
*/
static bool PlainMonthDay_equals(JSContext* cx, const CallArgs& args) {
auto* monthDay = &args.thisv().toObject().as<PlainMonthDayObject>();
auto date = monthDay->date();
Rooted<CalendarValue> calendar(cx, monthDay->calendar());
// Step 3.
Rooted<PlainMonthDay> other(cx);
if (!ToTemporalMonthDay(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.PlainMonthDay.prototype.equals ( other )
*/
static bool PlainMonthDay_equals(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_equals>(cx, args);
}
/**
* Temporal.PlainMonthDay.prototype.toString ( [ options ] )
*/
static bool PlainMonthDay_toString(JSContext* cx, const CallArgs& args) {
Rooted<PlainMonthDayObject*> monthDay(
cx, &args.thisv().toObject().as<PlainMonthDayObject>());
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 = TemporalMonthDayToString(cx, monthDay, showCalendar);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainMonthDay.prototype.toString ( [ options ] )
*/
static bool PlainMonthDay_toString(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_toString>(cx,
args);
}
/**
* Temporal.PlainMonthDay.prototype.toLocaleString ( [ locales [ , options ] ] )
*/
static bool PlainMonthDay_toLocaleString(JSContext* cx, const CallArgs& args) {
Rooted<PlainMonthDayObject*> monthDay(
cx, &args.thisv().toObject().as<PlainMonthDayObject>());
// Step 3.
JSString* str = TemporalMonthDayToString(cx, monthDay, ShowCalendar::Auto);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainMonthDay.prototype.toLocaleString ( [ locales [ , options ] ] )
*/
static bool PlainMonthDay_toLocaleString(JSContext* cx, unsigned argc,
Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_toLocaleString>(
cx, args);
}
/**
* Temporal.PlainMonthDay.prototype.toJSON ( )
*/
static bool PlainMonthDay_toJSON(JSContext* cx, const CallArgs& args) {
Rooted<PlainMonthDayObject*> monthDay(
cx, &args.thisv().toObject().as<PlainMonthDayObject>());
// Step 3.
JSString* str = TemporalMonthDayToString(cx, monthDay, ShowCalendar::Auto);
if (!str) {
return false;
}
args.rval().setString(str);
return true;
}
/**
* Temporal.PlainMonthDay.prototype.toJSON ( )
*/
static bool PlainMonthDay_toJSON(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_toJSON>(cx, args);
}
/**
* Temporal.PlainMonthDay.prototype.valueOf ( )
*/
static bool PlainMonthDay_valueOf(JSContext* cx, unsigned argc, Value* vp) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_CANT_CONVERT_TO,
"PlainMonthDay", "primitive type");
return false;
}
/**
* Temporal.PlainMonthDay.prototype.toPlainDate ( item )
*/
static bool PlainMonthDay_toPlainDate(JSContext* cx, const CallArgs& args) {
Rooted<PlainMonthDay> monthDay(
cx, &args.thisv().toObject().as<PlainMonthDayObject>());
// Step 3.
Rooted<JSObject*> item(
cx, RequireObjectArg(cx, "item", "toPlainDate", args.get(0)));
if (!item) {
return false;
}
// Step 4.
auto calendar = monthDay.calendar();
// Step 5.
Rooted<CalendarFields> fields(cx);
if (!ISODateToFields(cx, monthDay, &fields)) {
return false;
}
// Step 6.
Rooted<CalendarFields> inputFields(cx);
if (!PrepareCalendarFields(cx, calendar, item,
{
CalendarField::Year,
},
&inputFields)) {
return false;
}
// Step 7.
fields = CalendarMergeFields(calendar, fields, inputFields);
// Step 8.
Rooted<PlainDate> date(cx);
if (!CalendarDateFromFields(cx, calendar, fields, TemporalOverflow::Constrain,
&date)) {
return false;
}
MOZ_ASSERT(ISODateWithinLimits(date));
// Step 9.
auto* obj = CreateTemporalDate(cx, date);
if (!obj) {
return false;
}
args.rval().setObject(*obj);
return true;
}
/**
* Temporal.PlainMonthDay.prototype.toPlainDate ( item )
*/
static bool PlainMonthDay_toPlainDate(JSContext* cx, unsigned argc, Value* vp) {
// Steps 1-2.
CallArgs args = CallArgsFromVp(argc, vp);
return CallNonGenericMethod<IsPlainMonthDay, PlainMonthDay_toPlainDate>(cx,
args);
}
const JSClass PlainMonthDayObject::class_ = {
"Temporal.PlainMonthDay",
JSCLASS_HAS_RESERVED_SLOTS(PlainMonthDayObject::SLOT_COUNT) |
JSCLASS_HAS_CACHED_PROTO(JSProto_PlainMonthDay),
JS_NULL_CLASS_OPS,
&PlainMonthDayObject::classSpec_,
};
const JSClass& PlainMonthDayObject::protoClass_ = PlainObject::class_;
static const JSFunctionSpec PlainMonthDay_methods[] = {
JS_FN("from", PlainMonthDay_from, 1, 0),
JS_FS_END,
};
static const JSFunctionSpec PlainMonthDay_prototype_methods[] = {
JS_FN("with", PlainMonthDay_with, 1, 0),
JS_FN("equals", PlainMonthDay_equals, 1, 0),
JS_FN("toString", PlainMonthDay_toString, 0, 0),
JS_FN("toLocaleString", PlainMonthDay_toLocaleString, 0, 0),
JS_FN("toJSON", PlainMonthDay_toJSON, 0, 0),
JS_FN("valueOf", PlainMonthDay_valueOf, 0, 0),
JS_FN("toPlainDate", PlainMonthDay_toPlainDate, 1, 0),
JS_FS_END,
};
static const JSPropertySpec PlainMonthDay_prototype_properties[] = {
JS_PSG("calendarId", PlainMonthDay_calendarId, 0),
JS_PSG("monthCode", PlainMonthDay_monthCode, 0),
JS_PSG("day", PlainMonthDay_day, 0),
JS_STRING_SYM_PS(toStringTag, "Temporal.PlainMonthDay", JSPROP_READONLY),
JS_PS_END,
};
const ClassSpec PlainMonthDayObject::classSpec_ = {
GenericCreateConstructor<PlainMonthDayConstructor, 2,
gc::AllocKind::FUNCTION>,
GenericCreatePrototype<PlainMonthDayObject>,
PlainMonthDay_methods,
nullptr,
PlainMonthDay_prototype_methods,
PlainMonthDay_prototype_properties,
nullptr,
ClassSpec::DontDefineConstructor,
};