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LibJS: Add AsyncFromSyncIteratorPrototype and Async-From-Sync instances

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Until we have actual iterator records we have to store the sync iterator
as the raw object.
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davidot 2021-11-23 15:01:35 +01:00 • committed by Linus Groh
parent 0535c1abbd
commit 064c8be627
8 changed files with 311 additions and 0 deletions
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32
Userland/Libraries/LibJS/Runtime/AsyncFromSyncIterator.h Normal file
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/*
* Copyright (c) 2021, David Tuin <davidot@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Object.h>
namespace JS {
// 27.1.4.3 Properties of Async-from-Sync Iterator Instances, https://tc39.es/ecma262/#sec-properties-of-async-from-sync-iterator-instances
class AsyncFromSyncIterator final : public Object {
JS_OBJECT(AsyncFromSyncIterator, Object);
public:
static AsyncFromSyncIterator* create(GlobalObject&, Object* sync_iterator_record);
explicit AsyncFromSyncIterator(GlobalObject&, Object* sync_iterator_record);
virtual void initialize(GlobalObject&) override;
virtual ~AsyncFromSyncIterator() override = default;
void visit_edges(Visitor& visitor) override;
Object& sync_iterator_record() const { return *m_sync_iterator_record; }
private:
Object* m_sync_iterator_record { nullptr }; // [[SyncIteratorRecord]]
};
}