de9fa6622a
As well as the needed functionality in VM to enqueue and run cleanup jobs for the FinalizationRegistry instances.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/SinglyLinkedList.h>
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#include <LibJS/Runtime/Function.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibJS/Runtime/WeakContainer.h>
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namespace JS {
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class FinalizationRegistry final
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: public Object
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, public WeakContainer {
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JS_OBJECT(FinalizationRegistry, Object);
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public:
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static FinalizationRegistry* create(GlobalObject&, Function&);
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explicit FinalizationRegistry(Object& prototype, Function&);
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virtual ~FinalizationRegistry() override;
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void add_finalization_record(Cell& target, Value held_value, Object* unregister_token);
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bool remove_by_token(Object& unregister_token);
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void cleanup(Function* callback = nullptr);
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virtual void remove_sweeped_cells(Badge<Heap>, Vector<Cell*>&) override;
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private:
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virtual void visit_edges(Visitor& visitor) override;
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Function* m_cleanup_callback { nullptr };
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struct FinalizationRecord {
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Cell* target { nullptr };
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Value held_value;
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Object* unregister_token { nullptr };
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};
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SinglyLinkedList<FinalizationRecord> m_records;
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};
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}
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