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https://github.com/RGBCube/serenity
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5832de62fe
Both at the same time because many of them call construct() in call() and I'm not keen on adding a bunch of temporary plumbing to turn exceptions into throw completions. Also changes the return value of construct() to Object* instead of Value as it always needs to return an object; allowing an arbitrary Value is a massive foot gun.
72 lines
2.5 KiB
C++
72 lines
2.5 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 <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/CalendarConstructor.h>
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namespace JS::Temporal {
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// 12.2 The Temporal.Calendar Constructor, https://tc39.es/proposal-temporal/#sec-temporal-calendar-constructor
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CalendarConstructor::CalendarConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.Calendar.as_string(), *global_object.function_prototype())
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{
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}
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void CalendarConstructor::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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// 12.3.1 Temporal.Calendar.prototype, https://tc39.es/proposal-temporal/#sec-temporal-calendar-prototype
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define_direct_property(vm.names.prototype, global_object.temporal_calendar_prototype(), 0);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_old_native_function(vm.names.from, from, 1, attr);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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}
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// 12.2.1 Temporal.Calendar ( id ), https://tc39.es/proposal-temporal/#sec-temporal.calendar
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ThrowCompletionOr<Value> CalendarConstructor::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.Calendar");
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}
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// 12.2.1 Temporal.Calendar ( id ), https://tc39.es/proposal-temporal/#sec-temporal.calendar
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ThrowCompletionOr<Object*> CalendarConstructor::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 id to ? ToString(id).
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auto identifier = TRY(vm.argument(0).to_string(global_object));
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// 3. If ! IsBuiltinCalendar(id) is false, then
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if (!is_builtin_calendar(identifier)) {
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// a. Throw a RangeError exception.
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return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidCalendarIdentifier, identifier);
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}
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// 4. Return ? CreateTemporalCalendar(id, NewTarget).
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return TRY(create_temporal_calendar(global_object, identifier, &new_target));
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}
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// 12.3.2 Temporal.Calendar.from ( item ), https://tc39.es/proposal-temporal/#sec-temporal.calendar.from
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JS_DEFINE_OLD_NATIVE_FUNCTION(CalendarConstructor::from)
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{
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auto item = vm.argument(0);
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// 1. Return ? ToTemporalCalendar(item).
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return TRY_OR_DISCARD(to_temporal_calendar(global_object, item));
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}
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}
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