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LibJS: Implement stage 3 proposal FinalizationRegistry changes

Specifically the 'Symbol as WeakMap Keys Proposal'.
This commit is contained in:
Idan Horowitz 2022-06-22 23:10:11 +03:00
parent 53ed8decaf
commit a79796ea4a
5 changed files with 48 additions and 27 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
* Copyright (c) 2021-2022, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -25,8 +25,8 @@ public:
explicit FinalizationRegistry(Realm&, JobCallback, Object& prototype);
virtual ~FinalizationRegistry() override = default;
void add_finalization_record(Cell& target, Value held_value, Object* unregister_token);
bool remove_by_token(Object& unregister_token);
void add_finalization_record(Cell& target, Value held_value, Cell* unregister_token);
bool remove_by_token(Cell& unregister_token);
ThrowCompletionOr<void> cleanup(Optional<JobCallback> = {});
virtual void remove_dead_cells(Badge<Heap>) override;
@ -46,7 +46,7 @@ private:
struct FinalizationRecord {
Cell* target { nullptr };
Value held_value;
Object* unregister_token { nullptr };
Cell* unregister_token { nullptr };
};
SinglyLinkedList<FinalizationRecord> m_records;
};