260 lines
11 KiB
C++
260 lines
11 KiB
C++
/*
|
||
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include <LibCrypto/BigInt/SignedBigInteger.h>
|
||
#include <LibJS/Runtime/GlobalObject.h>
|
||
#include <LibJS/Runtime/Temporal/Calendar.h>
|
||
#include <LibJS/Runtime/Temporal/Instant.h>
|
||
#include <LibJS/Runtime/Temporal/Now.h>
|
||
#include <LibJS/Runtime/Temporal/PlainDate.h>
|
||
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
|
||
#include <LibJS/Runtime/Temporal/PlainTime.h>
|
||
#include <LibJS/Runtime/Temporal/TimeZone.h>
|
||
#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
|
||
#include <time.h>
|
||
|
||
namespace JS::Temporal {
|
||
|
||
// 2 The Temporal.Now Object, https://tc39.es/proposal-temporal/#sec-temporal-now-object
|
||
Now::Now(GlobalObject& global_object)
|
||
: Object(*global_object.object_prototype())
|
||
{
|
||
}
|
||
|
||
void Now::initialize(GlobalObject& global_object)
|
||
{
|
||
Object::initialize(global_object);
|
||
|
||
auto& vm = this->vm();
|
||
|
||
// 2.1.1 Temporal.Now [ @@toStringTag ], https://tc39.es/proposal-temporal/#sec-temporal-now-@@tostringtag
|
||
define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm.heap(), "Temporal.Now"), Attribute::Configurable);
|
||
|
||
u8 attr = Attribute::Writable | Attribute::Configurable;
|
||
define_native_function(vm.names.timeZone, time_zone, 0, attr);
|
||
define_native_function(vm.names.instant, instant, 0, attr);
|
||
define_native_function(vm.names.plainDateTime, plain_date_time, 1, attr);
|
||
define_native_function(vm.names.plainDateTimeISO, plain_date_time_iso, 0, attr);
|
||
define_native_function(vm.names.zonedDateTime, zoned_date_time, 1, attr);
|
||
define_native_function(vm.names.zonedDateTimeISO, zoned_date_time_iso, 0, attr);
|
||
define_native_function(vm.names.plainDate, plain_date, 1, attr);
|
||
define_native_function(vm.names.plainDateISO, plain_date_iso, 0, attr);
|
||
define_native_function(vm.names.plainTimeISO, plain_time_iso, 0, attr);
|
||
}
|
||
|
||
// 2.2.1 Temporal.Now.timeZone ( ), https://tc39.es/proposal-temporal/#sec-temporal.now.timezone
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::time_zone)
|
||
{
|
||
// 1. Return ! SystemTimeZone().
|
||
return system_time_zone(global_object);
|
||
}
|
||
|
||
// 2.2.2 Temporal.Now.instant ( ), https://tc39.es/proposal-temporal/#sec-temporal.now.instant
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::instant)
|
||
{
|
||
// 1. Return ! SystemInstant().
|
||
return system_instant(global_object);
|
||
}
|
||
|
||
// 2.2.3 Temporal.Now.plainDateTime ( calendar [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindatetime
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time)
|
||
{
|
||
auto calendar = vm.argument(0);
|
||
auto temporal_time_zone_like = vm.argument(1);
|
||
|
||
// 1. Return ? SystemDateTime(temporalTimeZoneLike, calendar).
|
||
return system_date_time(global_object, temporal_time_zone_like, calendar);
|
||
}
|
||
|
||
// 2.2.4 Temporal.Now.plainDateTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindatetimeiso
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_time_iso)
|
||
{
|
||
auto temporal_time_zone_like = vm.argument(0);
|
||
|
||
// 1, Let calendar be ! GetISO8601Calendar().
|
||
auto* calendar = get_iso8601_calendar(global_object);
|
||
|
||
// 2. Return ? SystemDateTime(temporalTimeZoneLike, calendar).
|
||
return system_date_time(global_object, temporal_time_zone_like, calendar);
|
||
}
|
||
|
||
// 2.2.5 Temporal.Now.zonedDateTime ( calendar [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetime
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time)
|
||
{
|
||
auto calendar = vm.argument(0);
|
||
auto temporal_time_zone_like = vm.argument(1);
|
||
|
||
// 1. Return ? SystemZonedDateTime(temporalTimeZoneLike, calendar).
|
||
return system_zoned_date_time(global_object, temporal_time_zone_like, calendar);
|
||
}
|
||
|
||
// 2.2.6 Temporal.Now.zonedDateTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.zoneddatetimeiso
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::zoned_date_time_iso)
|
||
{
|
||
auto temporal_time_zone_like = vm.argument(0);
|
||
|
||
// 1, Let calendar be ! GetISO8601Calendar().
|
||
auto* calendar = get_iso8601_calendar(global_object);
|
||
|
||
// 2. Return ? SystemZonedDateTime(temporalTimeZoneLike, calendar).
|
||
return system_zoned_date_time(global_object, temporal_time_zone_like, calendar);
|
||
}
|
||
|
||
// 2.2.7 Temporal.Now.plainDate ( calendar [ , temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindate
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date)
|
||
{
|
||
auto calendar = vm.argument(0);
|
||
auto temporal_time_zone_like = vm.argument(1);
|
||
|
||
// 1. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendar).
|
||
auto* date_time = system_date_time(global_object, temporal_time_zone_like, calendar);
|
||
if (vm.exception())
|
||
return {};
|
||
|
||
// 2. Return ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
|
||
return create_temporal_date(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar());
|
||
}
|
||
|
||
// 2.2.8 Temporal.Now.plainDateISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaindateiso
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::plain_date_iso)
|
||
{
|
||
auto temporal_time_zone_like = vm.argument(0);
|
||
|
||
// 1. Let calendar be ! GetISO8601Calendar().
|
||
auto* calendar = get_iso8601_calendar(global_object);
|
||
|
||
// 2. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendar).
|
||
auto* date_time = system_date_time(global_object, temporal_time_zone_like, calendar);
|
||
if (vm.exception())
|
||
return {};
|
||
|
||
// 3. Return ! CreateTemporalDate(dateTime.[[ISOYear]], dateTime.[[ISOMonth]], dateTime.[[ISODay]], dateTime.[[Calendar]]).
|
||
return create_temporal_date(global_object, date_time->iso_year(), date_time->iso_month(), date_time->iso_day(), date_time->calendar());
|
||
}
|
||
|
||
// 2.2.9 Temporal.Now.plainTimeISO ( [ temporalTimeZoneLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.now.plaintimeiso
|
||
JS_DEFINE_NATIVE_FUNCTION(Now::plain_time_iso)
|
||
{
|
||
auto temporal_time_zone_like = vm.argument(0);
|
||
|
||
// 1. Let calendar be ! GetISO8601Calendar().
|
||
auto* calendar = get_iso8601_calendar(global_object);
|
||
|
||
// 2. Let dateTime be ? SystemDateTime(temporalTimeZoneLike, calendar).
|
||
auto* date_time = system_date_time(global_object, temporal_time_zone_like, calendar);
|
||
if (vm.exception())
|
||
return {};
|
||
|
||
// 3. Return ! CreateTemporalTime(dateTime.[[ISOHour]], dateTime.[[ISOMinute]], dateTime.[[ISOSecond]], dateTime.[[ISOMillisecond]], dateTime.[[ISOMicrosecond]], dateTime.[[ISONanosecond]]).
|
||
return create_temporal_time(global_object, date_time->iso_hour(), date_time->iso_minute(), date_time->iso_second(), date_time->iso_millisecond(), date_time->iso_microsecond(), date_time->iso_nanosecond());
|
||
}
|
||
|
||
// 2.3.1 SystemTimeZone ( ), https://tc39.es/proposal-temporal/#sec-temporal-systemtimezone
|
||
TimeZone* system_time_zone(GlobalObject& global_object)
|
||
{
|
||
// 1. Let identifier be ! DefaultTimeZone().
|
||
auto identifier = default_time_zone();
|
||
|
||
// 2. Return ! CreateTemporalTimeZone(identifier).
|
||
return create_temporal_time_zone(global_object, identifier);
|
||
}
|
||
|
||
// 2.3.2 SystemUTCEpochNanoseconds ( ), https://tc39.es/proposal-temporal/#sec-temporal-systemutcepochnanoseconds
|
||
BigInt* system_utc_epoch_nanoseconds(GlobalObject& global_object)
|
||
{
|
||
// 1. Let ns be the approximate current UTC date and time, in nanoseconds since the epoch.
|
||
struct timespec now;
|
||
clock_gettime(CLOCK_REALTIME, &now);
|
||
Checked<i64> ns_timestamp;
|
||
ns_timestamp += now.tv_sec;
|
||
ns_timestamp *= 1'000'000'000;
|
||
ns_timestamp += now.tv_nsec;
|
||
if (ns_timestamp.has_overflow()) {
|
||
// TODO: Deal with this before 2262-04-21T00:47:16Z.
|
||
VERIFY_NOT_REACHED();
|
||
}
|
||
auto ns = Crypto::SignedBigInteger::create_from(ns_timestamp.value());
|
||
|
||
// 2. Set ns to the result of clamping ns between −8.64 × 10^21 and 8.64 × 10^21.
|
||
// Uhh, these don't even fit in an i64... ¯\_(ツ)_/¯
|
||
|
||
// 3. Return ℤ(ns).
|
||
return js_bigint(global_object.heap(), move(ns));
|
||
}
|
||
|
||
// 2.3.3 SystemInstant ( ), https://tc39.es/proposal-temporal/#sec-temporal-systeminstant
|
||
Instant* system_instant(GlobalObject& global_object)
|
||
{
|
||
// 1. Let ns be ! SystemUTCEpochNanoseconds().
|
||
auto* ns = system_utc_epoch_nanoseconds(global_object);
|
||
|
||
// 2. Return ! CreateTemporalInstant(ns).
|
||
return create_temporal_instant(global_object, *ns);
|
||
}
|
||
|
||
// 2.3.4 SystemDateTime ( temporalTimeZoneLike, calendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-systemdatetime
|
||
PlainDateTime* system_date_time(GlobalObject& global_object, Value temporal_time_zone_like, Value calendar_like)
|
||
{
|
||
auto& vm = global_object.vm();
|
||
Object* time_zone;
|
||
|
||
// 1. If temporalTimeZoneLike is undefined, then
|
||
if (temporal_time_zone_like.is_undefined()) {
|
||
// a. Let timeZone be ! SystemTimeZone().
|
||
time_zone = system_time_zone(global_object);
|
||
}
|
||
// 2. Else,
|
||
else {
|
||
// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
|
||
time_zone = to_temporal_time_zone(global_object, temporal_time_zone_like);
|
||
if (vm.exception())
|
||
return {};
|
||
}
|
||
|
||
// 3. Let calendar be ? ToTemporalCalendar(calendarLike).
|
||
auto* calendar = to_temporal_calendar(global_object, calendar_like);
|
||
if (vm.exception())
|
||
return {};
|
||
|
||
// 4. Let instant be ! SystemInstant().
|
||
auto* instant = system_instant(global_object);
|
||
|
||
// 5. Return ? BuiltinTimeZoneGetPlainDateTimeFor(timeZone, instant, calendar).
|
||
return builtin_time_zone_get_plain_date_time_for(global_object, time_zone, *instant, *calendar);
|
||
}
|
||
|
||
// 2.3.5 SystemZonedDateTime ( temporalTimeZoneLike, calendarLike ), https://tc39.es/proposal-temporal/#sec-temporal-systemzoneddatetime
|
||
ZonedDateTime* system_zoned_date_time(GlobalObject& global_object, Value temporal_time_zone_like, Value calendar_like)
|
||
{
|
||
auto& vm = global_object.vm();
|
||
Object* time_zone;
|
||
|
||
// 1. If temporalTimeZoneLike is undefined, then
|
||
if (temporal_time_zone_like.is_undefined()) {
|
||
// a. Let timeZone be ! SystemTimeZone().
|
||
time_zone = system_time_zone(global_object);
|
||
}
|
||
// 2. Else,
|
||
else {
|
||
// a. Let timeZone be ? ToTemporalTimeZone(temporalTimeZoneLike).
|
||
time_zone = to_temporal_time_zone(global_object, temporal_time_zone_like);
|
||
if (vm.exception())
|
||
return {};
|
||
}
|
||
|
||
// 3. Let calendar be ? ToTemporalCalendar(calendarLike).
|
||
auto* calendar = to_temporal_calendar(global_object, calendar_like);
|
||
if (vm.exception())
|
||
return {};
|
||
|
||
// 4. Let ns be ! SystemUTCEpochNanoseconds().
|
||
auto* ns = system_utc_epoch_nanoseconds(global_object);
|
||
|
||
// 5. Return ? CreateTemporalZonedDateTime(ns, timeZone, calendar).
|
||
return create_temporal_zoned_date_time(global_object, *ns, *time_zone, *calendar);
|
||
}
|
||
|
||
}
|