mirror of
https://github.com/RGBCube/serenity
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100 lines
4.3 KiB
C++
100 lines
4.3 KiB
C++
/*
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* Copyright (c) 2021, 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/TypeCasts.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/TimeZone.h>
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#include <LibJS/Runtime/Temporal/ZonedDateTime.h>
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#include <LibJS/Runtime/Temporal/ZonedDateTimeConstructor.h>
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namespace JS::Temporal {
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// 6.1 The Temporal.ZonedDateTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-zoneddatetime-constructor
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ZonedDateTimeConstructor::ZonedDateTimeConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.ZonedDateTime.as_string(), *global_object.function_prototype())
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{
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}
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void ZonedDateTimeConstructor::initialize(GlobalObject& global_object)
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{
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NativeFunction::initialize(global_object);
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auto& vm = this->vm();
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// 6.2.1 Temporal.ZonedDateTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal-zoneddatetime-prototype
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define_direct_property(vm.names.prototype, global_object.temporal_zoned_date_time_prototype(), 0);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(vm.names.from, from, 1, attr);
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define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
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}
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// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
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ThrowCompletionOr<Value> ZonedDateTimeConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, then
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// a. Throw a TypeError exception.
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return vm.throw_completion<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.ZonedDateTime");
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}
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// 6.1.1 Temporal.ZonedDateTime ( epochNanoseconds, timeZoneLike [ , calendarLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime
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ThrowCompletionOr<Object*> ZonedDateTimeConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto& global_object = this->global_object();
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// 2. Set epochNanoseconds to ? ToBigInt(epochNanoseconds).
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auto* epoch_nanoseconds = TRY(vm.argument(0).to_bigint(global_object));
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// 3. If ! IsValidEpochNanoseconds(epochNanoseconds) is false, throw a RangeError exception.
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if (!is_valid_epoch_nanoseconds(*epoch_nanoseconds))
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return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidEpochNanoseconds);
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// 4. Let timeZone be ? ToTemporalTimeZone(timeZoneLike).
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auto* time_zone = TRY(to_temporal_time_zone(global_object, vm.argument(1)));
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// 5. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
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auto* calendar = TRY(to_temporal_calendar_with_iso_default(global_object, vm.argument(2)));
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// 6. Return ? CreateTemporalZonedDateTime(epochNanoseconds, timeZone, calendar, NewTarget).
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return TRY(create_temporal_zoned_date_time(global_object, *epoch_nanoseconds, *time_zone, *calendar, &new_target));
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}
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// 6.2.2 Temporal.ZonedDateTime.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.from
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JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimeConstructor::from)
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{
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// 1. Set options to ? GetOptionsObject(options).
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auto* options = TRY(get_options_object(global_object, vm.argument(1)));
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auto item = vm.argument(0);
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// 2. If Type(item) is Object and item has an [[InitializedTemporalZonedDateTime]] internal slot, then
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if (item.is_object() && is<ZonedDateTime>(item.as_object())) {
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auto& item_object = static_cast<ZonedDateTime&>(item.as_object());
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// a. Perform ? ToTemporalOverflow(options).
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(void)TRY(to_temporal_overflow(global_object, *options));
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// b. Perform ? ToTemporalDisambiguation(options).
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(void)TRY(to_temporal_disambiguation(global_object, *options));
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// c. Perform ? ToTemporalOffset(options, "reject").
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(void)TRY(to_temporal_offset(global_object, *options, "reject"));
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// d. Return ! CreateTemporalZonedDateTime(item.[[Nanoseconds]], item.[[TimeZone]], item.[[Calendar]]).
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return MUST(create_temporal_zoned_date_time(global_object, item_object.nanoseconds(), item_object.time_zone(), item_object.calendar()));
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}
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// 3. Return ? ToTemporalZonedDateTime(item, options).
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return TRY(to_temporal_zoned_date_time(global_object, item, options));
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}
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}
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