mirror of
https://github.com/RGBCube/serenity
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56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021-2022, 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/Heap/GCPtr.h>
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#include <LibJS/Runtime/FunctionObject.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/JobCallback.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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virtual ~FinalizationRegistry() override = default;
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void add_finalization_record(Cell& target, Value held_value, Cell* unregister_token);
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bool remove_by_token(Cell& unregister_token);
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ThrowCompletionOr<void> cleanup(Optional<JobCallback> = {});
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virtual void remove_dead_cells(Badge<Heap>) override;
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Realm& realm() { return *m_realm; }
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Realm const& realm() const { return *m_realm; }
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JobCallback& cleanup_callback() { return m_cleanup_callback; }
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JobCallback const& cleanup_callback() const { return m_cleanup_callback; }
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private:
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FinalizationRegistry(Realm&, JobCallback, Object& prototype);
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virtual void visit_edges(Visitor& visitor) override;
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NonnullGCPtr<Realm> m_realm;
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JobCallback m_cleanup_callback;
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struct FinalizationRecord {
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Cell* target { nullptr };
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Value held_value;
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Cell* 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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