fafc9b07c4
This is an editorial change in the Temporal spec. See: https://github.com/tc39/proposal-temporal/commit/536f067
131 lines
8 KiB
C++
131 lines
8 KiB
C++
/*
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* Copyright (c) 2021-2022, 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/Checked.h>
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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/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/PlainDateTime.h>
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#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
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namespace JS::Temporal {
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// 5.1 The Temporal.PlainDateTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-constructor
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PlainDateTimeConstructor::PlainDateTimeConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.PlainDateTime.as_string(), *global_object.function_prototype())
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{
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}
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void PlainDateTimeConstructor::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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// 5.2.1 Temporal.PlainDateTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.prototype
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define_direct_property(vm.names.prototype, global_object.temporal_plain_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_native_function(vm.names.compare, compare, 2, attr);
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define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
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}
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// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
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ThrowCompletionOr<Value> PlainDateTimeConstructor::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>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.PlainDateTime");
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}
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// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
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ThrowCompletionOr<Object*> PlainDateTimeConstructor::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. Let isoYear be ? ToIntegerThrowOnInfinity(isoYear).
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auto iso_year = TRY(to_integer_throw_on_infinity(global_object, vm.argument(0), ErrorType::TemporalInvalidPlainDateTime));
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// 3. Let isoMonth be ? ToIntegerThrowOnInfinity(isoMonth).
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auto iso_month = TRY(to_integer_throw_on_infinity(global_object, vm.argument(1), ErrorType::TemporalInvalidPlainDateTime));
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// 4. Let isoDay be ? ToIntegerThrowOnInfinity(isoDay).
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auto iso_day = TRY(to_integer_throw_on_infinity(global_object, vm.argument(2), ErrorType::TemporalInvalidPlainDateTime));
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// 5. Let hour be ? ToIntegerThrowOnInfinity(hour).
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auto hour = TRY(to_integer_throw_on_infinity(global_object, vm.argument(3), ErrorType::TemporalInvalidPlainDateTime));
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// 6. Let minute be ? ToIntegerThrowOnInfinity(minute).
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auto minute = TRY(to_integer_throw_on_infinity(global_object, vm.argument(4), ErrorType::TemporalInvalidPlainDateTime));
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// 7. Let second be ? ToIntegerThrowOnInfinity(second).
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auto second = TRY(to_integer_throw_on_infinity(global_object, vm.argument(5), ErrorType::TemporalInvalidPlainDateTime));
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// 8. Let millisecond be ? ToIntegerThrowOnInfinity(millisecond).
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auto millisecond = TRY(to_integer_throw_on_infinity(global_object, vm.argument(6), ErrorType::TemporalInvalidPlainDateTime));
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// 9. Let microsecond be ? ToIntegerThrowOnInfinity(microsecond).
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auto microsecond = TRY(to_integer_throw_on_infinity(global_object, vm.argument(7), ErrorType::TemporalInvalidPlainDateTime));
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// 10. Let nanosecond be ? ToIntegerThrowOnInfinity(nanosecond).
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auto nanosecond = TRY(to_integer_throw_on_infinity(global_object, vm.argument(8), ErrorType::TemporalInvalidPlainDateTime));
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// 11. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
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auto* calendar = TRY(to_temporal_calendar_with_iso_default(global_object, vm.argument(9)));
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// IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards.
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// This does not change the exposed behavior as the call to CreateTemporalDateTime will immediately check that these values are valid
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// ISO values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31, for hours: 0 - 23, for minutes and seconds: 0 - 59,
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// milliseconds, microseconds, and nanoseconds: 0 - 999) all of which are subsets of this check.
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if (!AK::is_within_range<i32>(iso_year) || !AK::is_within_range<u8>(iso_month) || !AK::is_within_range<u8>(iso_day) || !AK::is_within_range<u8>(hour) || !AK::is_within_range<u8>(minute) || !AK::is_within_range<u8>(second) || !AK::is_within_range<u16>(millisecond) || !AK::is_within_range<u16>(microsecond) || !AK::is_within_range<u16>(nanosecond))
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return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
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// 12. Return ? CreateTemporalDateTime(isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar, NewTarget).
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return TRY(create_temporal_date_time(global_object, iso_year, iso_month, iso_day, hour, minute, second, millisecond, microsecond, nanosecond, *calendar, &new_target));
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}
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// 5.2.2 Temporal.PlainDateTime.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.from
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JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::from)
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{
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auto item = vm.argument(0);
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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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// 2. If Type(item) is Object and item has an [[InitializedTemporalDateTime]] internal slot, then
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if (item.is_object() && is<PlainDateTime>(item.as_object())) {
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auto& plain_date_time = static_cast<PlainDateTime&>(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. Return ! CreateTemporalDateTime(item.[[ISOYear]], item.[[ISOMonth]], item.[[ISODay]], item.[[ISOHour]], item.[[ISOMinute]], item.[[ISOSecond]], item.[[ISOMillisecond]], item.[[ISOMicrosecond]], item.[[ISONanosecond]], item.[[Calendar]]).
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return MUST(create_temporal_date_time(global_object, plain_date_time.iso_year(), plain_date_time.iso_month(), plain_date_time.iso_day(), plain_date_time.iso_hour(), plain_date_time.iso_minute(), plain_date_time.iso_second(), plain_date_time.iso_millisecond(), plain_date_time.iso_microsecond(), plain_date_time.iso_nanosecond(), plain_date_time.calendar()));
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}
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// 3. Return ? ToTemporalDateTime(item, options).
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return TRY(to_temporal_date_time(global_object, item, options));
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}
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// 5.2.3 Temporal.PlainDateTime.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime.compare
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JS_DEFINE_NATIVE_FUNCTION(PlainDateTimeConstructor::compare)
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{
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// 1. Set one to ? ToTemporalDateTime(one).
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auto* one = TRY(to_temporal_date_time(global_object, vm.argument(0)));
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// 2. Set two to ? ToTemporalDateTime(two).
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auto* two = TRY(to_temporal_date_time(global_object, vm.argument(1)));
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// 3. Return 𝔽(! CompareISODateTime(one.[[ISOYear]], one.[[ISOMonth]], one.[[ISODay]], one.[[ISOHour]], one.[[ISOMinute]], one.[[ISOSecond]], one.[[ISOMillisecond]], one.[[ISOMicrosecond]], one.[[ISONanosecond]], two.[[ISOYear]], two.[[ISOMonth]], two.[[ISODay]], two.[[ISOHour]], two.[[ISOMinute]], two.[[ISOSecond]], two.[[ISOMillisecond]], two.[[ISOMicrosecond]], two.[[ISONanosecond]])).
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return Value(compare_iso_date_time(one->iso_year(), one->iso_month(), one->iso_day(), one->iso_hour(), one->iso_minute(), one->iso_second(), one->iso_millisecond(), one->iso_microsecond(), one->iso_nanosecond(), two->iso_year(), two->iso_month(), two->iso_day(), two->iso_hour(), two->iso_minute(), two->iso_second(), two->iso_millisecond(), two->iso_microsecond(), two->iso_nanosecond()));
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}
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}
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