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LibJS: Remove our existing Temporal implementation
Our Temporal implementation is woefully out of date. The spec has been so vastly rewritten that it is unfortunately not practical to update our implementation in-place. Even just removing Temporal objects that were removed from the spec, or updating any of the simpler remaining objects, has proven to be a mess in previous attempts. So, this removes our Temporal implementation. AOs used by other specs are left intact.
This commit is contained in:
Timothy Flynn
Tim Flynn
parent
b94307583b
commit
f7517c5b8d
Notes:
github-actions[bot]
2024-11-21 00:06:58 +00:00
Author: https://github.com/trflynn89
Commit: f7517c5b8d
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2431
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/shannonbooth ✅
386 changed files with 8 additions and 33007 deletions
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/*
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* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Time.h>
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#include <LibCrypto/BigInt/SignedBigInteger.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/Date.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/Instant.h>
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#include <LibJS/Runtime/Temporal/Now.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Temporal/PlainDateTime.h>
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#include <LibJS/Runtime/Temporal/PlainTime.h>
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#include <LibJS/Runtime/Temporal/TimeZone.h>
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#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
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namespace JS::Temporal {
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GC_DEFINE_ALLOCATOR(Now);
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// 2 The Temporal.Now Object, https://tc39.es/proposal-temporal/#sec-temporal-now-object
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Now::Now(Realm& realm)
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: Object(ConstructWithPrototypeTag::Tag, realm.intrinsics().object_prototype())
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{
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}
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void Now::initialize(Realm& realm)
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{
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Base::initialize(realm);
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auto& vm = this->vm();
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// 2.1.1 Temporal.Now [ @@toStringTag ], https://tc39.es/proposal-temporal/#sec-temporal-now-@@tostringtag
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define_direct_property(vm.well_known_symbol_to_string_tag(), PrimitiveString::create(vm, "Temporal.Now"_string), Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.timeZone, time_zone, 0, attr);
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define_native_function(realm, vm.names.instant, instant, 0, attr);
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define_native_function(realm, vm.names.plainDateTime, plain_date_time, 1, attr);
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define_native_function(realm, vm.names.plainDateTimeISO, plain_date_time_iso, 0, attr);
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define_native_function(realm, vm.names.zonedDateTime, zoned_date_time, 1, attr);
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define_native_function(realm, vm.names.zonedDateTimeISO, zoned_date_time_iso, 0, attr);
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define_native_function(realm, vm.names.plainDate, plain_date, 1, attr);
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define_native_function(realm, vm.names.plainDateISO, plain_date_iso, 0, attr);
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define_native_function(realm, vm.names.plainTimeISO, plain_time_iso, 0, attr);
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}
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// 2.2.1 Temporal.Now.timeZone ( ), https://tc39.es/proposal-temporal/#sec-temporal.now.timezone
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JS_DEFINE_NATIVE_FUNCTION(Now::time_zone)
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{
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// 1. Return ! SystemTimeZone().
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return system_time_zone(vm);
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}
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// 2.2.2 Temporal.Now.instant ( ), https://tc39.es/proposal-temporal/#sec-temporal.now.instant
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JS_DEFINE_NATIVE_FUNCTION(Now::instant)
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{
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// 1. Return ! SystemInstant().
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return system_instant(vm);
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}
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// 2.2.3 Temporal.Now.plainDateTime ( calendarLike [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindatetime
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JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time)
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{
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auto calendar_like = vm.argument(0);
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auto temporal_time_zone_like = vm.argument(1);
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// 1. Return ? SystemDateTime(temporalTimeZoneLike, calendarLike).
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return TRY(system_date_time(vm, temporal_time_zone_like, calendar_like));
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}
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// 2.2.4 Temporal.Now.plainDateTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindatetimeiso
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JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time_iso)
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{
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auto temporal_time_zone_like = vm.argument(0);
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// 1, Let calendar be ! GetISO8601Calendar().
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auto* calendar = get_iso8601_calendar(vm);
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// 2. Return ? SystemDateTime(temporalTimeZoneLike, calendar).
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return TRY(system_date_time(vm, temporal_time_zone_like, calendar));
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}
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// 2.2.5 Temporal.Now.zonedDateTime ( calendarLike [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetime
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JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time)
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{
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auto calendar_like = vm.argument(0);
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auto temporal_time_zone_like = vm.argument(1);
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// 1. Return ? SystemZonedDateTime(temporalTimeZoneLike, calendarLike).
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return TRY(system_zoned_date_time(vm, temporal_time_zone_like, calendar_like));
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}
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// 2.2.6 Temporal.Now.zonedDateTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetimeiso
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JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time_iso)
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{
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auto temporal_time_zone_like = vm.argument(0);
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// 1, Let calendar be ! GetISO8601Calendar().
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auto* calendar = get_iso8601_calendar(vm);
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// 2. Return ? SystemZonedDateTime(temporalTimeZoneLike, calendar).
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return TRY(system_zoned_date_time(vm, temporal_time_zone_like, calendar));
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}
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// 2.2.7 Temporal.Now.plainDate ( calendarLike [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindate
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JS_DEFINE_NATIVE_FUNCTION(Now::plain_date)
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{
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auto calendar_like = vm.argument(0);
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auto temporal_time_zone_like = vm.argument(1);
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// 1. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendarLike).
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auto* date_time = TRY(system_date_time(vm, temporal_time_zone_like, calendar_like));
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// 2. Return ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
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return MUST(create_temporal_date(vm, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar()));
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}
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// 2.2.8 Temporal.Now.plainDateISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindateiso
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JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_iso)
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{
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auto temporal_time_zone_like = vm.argument(0);
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// 1. Let calendar be ! GetISO8601Calendar().
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auto* calendar = get_iso8601_calendar(vm);
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// 2. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendar).
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auto* date_time = TRY(system_date_time(vm, temporal_time_zone_like, calendar));
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// 3. Return ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
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return MUST(create_temporal_date(vm, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar()));
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}
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// 2.2.9 Temporal.Now.plainTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaintimeiso
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JS_DEFINE_NATIVE_FUNCTION(Now::plain_time_iso)
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{
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auto temporal_time_zone_like = vm.argument(0);
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// 1. Let calendar be ! GetISO8601Calendar().
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auto* calendar = get_iso8601_calendar(vm);
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// 2. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendar).
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auto* date_time = TRY(system_date_time(vm, temporal_time_zone_like, calendar));
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// 3. Return ! CreateTemporalTime(dateTime.[[ISOHour]], dateTime.[[ISOMinute]], dateTime.[[ISOSecond]], dateTime.[[ISOMillisecond]], dateTime.[[ISOMicrosecond]], dateTime.[[ISONanosecond]]).
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return MUST(create_temporal_time(vm, date_time->iso_hour(), date_time->iso_minute(), date_time->iso_second(), date_time->iso_millisecond(), date_time->iso_microsecond(), date_time->iso_nanosecond()));
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}
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// 2.3.1 SystemTimeZone ( ), https://tc39.es/proposal-temporal/#sec-temporal-systemtimezone
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TimeZone* system_time_zone(VM& vm)
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{
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// 1. Let identifier be ! DefaultTimeZone().
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auto identifier = system_time_zone_identifier();
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// 2. Return ! CreateTemporalTimeZone(identifier).
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// FIXME: Propagate possible OOM error
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return MUST(create_temporal_time_zone(vm, move(identifier)));
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}
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// 2.3.2 SystemUTCEpochNanoseconds ( ), https://tc39.es/proposal-temporal/#sec-temporal-systemutcepochnanoseconds
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BigInt* system_utc_epoch_nanoseconds(VM& vm)
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{
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// 1. Let ns be the approximate current UTC date and time, in nanoseconds since the epoch.
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auto now = AK::UnixDateTime::now().nanoseconds_since_epoch();
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auto ns = Crypto::SignedBigInteger { now };
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// 2. Set ns to the result of clamping ns between nsMinInstant and nsMaxInstant.
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// NOTE: Duration::to_nanoseconds() already clamps between -(2^63) and 2^63 - 1, the range of an i64,
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// if an overflow occurs during seconds -> nanoseconds conversion.
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// 3. Return ℤ(ns).
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return BigInt::create(vm, move(ns));
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}
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// 2.3.3 SystemInstant ( ), https://tc39.es/proposal-temporal/#sec-temporal-systeminstant
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Instant* system_instant(VM& vm)
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{
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// 1. Let ns be ! SystemUTCEpochNanoseconds().
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auto* ns = system_utc_epoch_nanoseconds(vm);
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// 2. Return ! CreateTemporalInstant(ns).
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return MUST(create_temporal_instant(vm, *ns));
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}
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// 2.3.4 SystemDateTime ( temporalTimeZoneLike, calendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-systemdatetime
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ThrowCompletionOr<PlainDateTime*> system_date_time(VM& vm, Value temporal_time_zone_like, Value calendar_like)
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{
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Object* time_zone;
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// 1. If temporalTimeZoneLike is undefined, then
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if (temporal_time_zone_like.is_undefined()) {
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// a. Let timeZone be ! SystemTimeZone().
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time_zone = system_time_zone(vm);
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}
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// 2. Else,
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else {
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// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
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time_zone = TRY(to_temporal_time_zone(vm, temporal_time_zone_like));
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}
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// 3. Let calendar be ? ToTemporalCalendar(calendarLike).
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auto* calendar = TRY(to_temporal_calendar(vm, calendar_like));
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// 4. Let instant be ! SystemInstant().
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auto* instant = system_instant(vm);
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// 5. Return ? BuiltinTimeZoneGetPlainDateTimeFor(timeZone, instant, calendar).
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return builtin_time_zone_get_plain_date_time_for(vm, time_zone, *instant, *calendar);
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}
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// 2.3.5 SystemZonedDateTime ( temporalTimeZoneLike, calendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-systemzoneddatetime
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ThrowCompletionOr<ZonedDateTime*> system_zoned_date_time(VM& vm, Value temporal_time_zone_like, Value calendar_like)
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{
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Object* time_zone;
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// 1. If temporalTimeZoneLike is undefined, then
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if (temporal_time_zone_like.is_undefined()) {
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// a. Let timeZone be ! SystemTimeZone().
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time_zone = system_time_zone(vm);
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}
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// 2. Else,
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else {
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// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
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time_zone = TRY(to_temporal_time_zone(vm, temporal_time_zone_like));
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}
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// 3. Let calendar be ? ToTemporalCalendar(calendarLike).
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auto* calendar = TRY(to_temporal_calendar(vm, calendar_like));
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// 4. Let ns be ! SystemUTCEpochNanoseconds().
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auto* ns = system_utc_epoch_nanoseconds(vm);
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// 5. Return ? CreateTemporalZonedDateTime(ns, timeZone, calendar).
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return create_temporal_zoned_date_time(vm, *ns, *time_zone, *calendar);
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}
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}
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