f9705eb2f4
Instead of passing a GlobalObject everywhere, we will simply pass a VM, from which we can get everything we need: common names, the current realm, symbols, arguments, the heap, and a few other things. In some places we already don't actually need a global object and just do it for consistency - no more `auto& vm = global_object.vm();`! This will eventually automatically fix the "wrong realm" issue we have in some places where we (incorrectly) use the global object from the allocating object, e.g. in call() / construct() implementations. When only ever a VM is passed around, this issue can't happen :^) I've decided to split this change into a series of patches that should keep each commit down do a somewhat manageable size.
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
/*
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* Copyright (c) 2021-2022, Tim Flynn <trflynn89@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/AbstractOperations.h>
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#include <LibJS/Runtime/Date.h>
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#include <LibJS/Runtime/DateConstructor.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Intl/DateTimeFormat.h>
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#include <LibJS/Runtime/Intl/DateTimeFormatFunction.h>
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namespace JS::Intl {
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// 11.5.5 DateTime Format Functions, https://tc39.es/ecma402/#sec-datetime-format-functions
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DateTimeFormatFunction* DateTimeFormatFunction::create(Realm& realm, DateTimeFormat& date_time_format)
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{
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return realm.heap().allocate<DateTimeFormatFunction>(realm, date_time_format, *realm.global_object().function_prototype());
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}
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DateTimeFormatFunction::DateTimeFormatFunction(DateTimeFormat& date_time_format, Object& prototype)
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: NativeFunction(prototype)
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, m_date_time_format(date_time_format)
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{
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}
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void DateTimeFormatFunction::initialize(Realm& realm)
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{
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auto& vm = this->vm();
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Base::initialize(realm);
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define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
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define_direct_property(vm.names.name, js_string(vm, String::empty()), Attribute::Configurable);
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}
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ThrowCompletionOr<Value> DateTimeFormatFunction::call()
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{
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auto& global_object = this->global_object();
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auto& vm = global_object.vm();
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auto date = vm.argument(0);
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// 1. Let dtf be F.[[DateTimeFormat]].
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// 2. Assert: Type(dtf) is Object and dtf has an [[InitializedDateTimeFormat]] internal slot.
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double date_value;
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// 3. If date is not provided or is undefined, then
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if (date.is_undefined()) {
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// a. Let x be ! Call(%Date.now%, undefined).
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date_value = MUST(JS::call(global_object, global_object.date_constructor_now_function(), js_undefined())).as_double();
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}
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// 4. Else,
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else {
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// a. Let x be ? ToNumber(date).
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date_value = TRY(date.to_number(global_object)).as_double();
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}
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// 5. Return ? FormatDateTime(dtf, x).
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auto formatted = TRY(format_date_time(vm, m_date_time_format, date_value));
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return js_string(vm, move(formatted));
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}
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void DateTimeFormatFunction::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(&m_date_time_format);
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}
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}
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