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1a386e78c3
And the simple Temporal.PlainMonthDay.prototype getters, so that the constructed Temporal.PlainMonthDay may actually be validated.
102 lines
4.2 KiB
C++
102 lines
4.2 KiB
C++
/*
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* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Temporal/PlainMonthDay.h>
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#include <LibJS/Runtime/Temporal/PlainMonthDayConstructor.h>
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namespace JS::Temporal {
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GC_DEFINE_ALLOCATOR(PlainMonthDayConstructor);
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// 10.1 The Temporal.PlainMonthDay Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plainmonthday-constructor
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PlainMonthDayConstructor::PlainMonthDayConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.PlainMonthDay.as_string(), realm.intrinsics().function_prototype())
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{
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}
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void PlainMonthDayConstructor::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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// 10.2.1 Temporal.PlainMonthDay.prototype, https://tc39.es/proposal-temporal/#sec-temporal.plainmonthday.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().temporal_plain_month_day_prototype(), 0);
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define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.from, from, 1, attr);
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}
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// 10.1.1 Temporal.PlainMonthDay ( isoMonth, isoDay [ , calendar [ , referenceISOYear ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainmonthday
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ThrowCompletionOr<Value> PlainMonthDayConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, throw a TypeError exception.
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return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Temporal.PlainMonthDay");
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}
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// 10.1.1 Temporal.PlainMonthDay ( isoMonth, isoDay [ , calendar [ , referenceISOYear ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainmonthday
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ThrowCompletionOr<GC::Ref<Object>> PlainMonthDayConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto iso_month = vm.argument(0);
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auto iso_day = vm.argument(1);
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auto calendar_value = vm.argument(2);
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auto reference_iso_year = vm.argument(3);
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// 2. If referenceISOYear is undefined, then
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if (reference_iso_year.is_undefined()) {
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// a. Set referenceISOYear to 1972𝔽 (the first ISO 8601 leap year after the epoch).
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reference_iso_year = Value { 1972 };
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}
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// 3. Let m be ? ToIntegerWithTruncation(isoMonth).
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auto month = TRY(to_integer_with_truncation(vm, iso_month, ErrorType::TemporalInvalidPlainMonthDay));
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// 4. Let d be ? ToIntegerWithTruncation(isoDay).
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auto day = TRY(to_integer_with_truncation(vm, iso_day, ErrorType::TemporalInvalidPlainMonthDay));
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// 5. If calendar is undefined, set calendar to "iso8601".
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if (calendar_value.is_undefined())
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calendar_value = PrimitiveString::create(vm, "iso8601"_string);
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// 6. If calendar is not a String, throw a TypeError exception.
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if (!calendar_value.is_string())
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return vm.throw_completion<TypeError>(ErrorType::NotAString, calendar_value);
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// 7. Set calendar to ? CanonicalizeCalendar(calendar).
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auto calendar = TRY(canonicalize_calendar(vm, calendar_value.as_string().utf8_string_view()));
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// 8. Let y be ? ToIntegerWithTruncation(referenceISOYear).
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auto year = TRY(to_integer_with_truncation(vm, reference_iso_year, ErrorType::TemporalInvalidPlainMonthDay));
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// 9. If IsValidISODate(y, m, d) is false, throw a RangeError exception.
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if (!is_valid_iso_date(year, month, day))
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return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidPlainMonthDay);
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// 10. Let isoDate be CreateISODateRecord(y, m, d).
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auto iso_date = create_iso_date_record(year, month, day);
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// 11. Return ? CreateTemporalMonthDay(isoDate, calendar, NewTarget).
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return TRY(create_temporal_month_day(vm, iso_date, move(calendar), &new_target));
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}
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// 10.2.2 Temporal.PlainMonthDay.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainmonthday.from
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JS_DEFINE_NATIVE_FUNCTION(PlainMonthDayConstructor::from)
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{
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// 1. Return ? ToTemporalMonthDay(item, options).
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return TRY(to_temporal_month_day(vm, vm.argument(0), vm.argument(1)));
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}
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}
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