WeakContainer.h 714 B

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  1. /*
  2. * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #pragma once
  7. #include <LibJS/Heap/Heap.h>
  8. namespace JS {
  9. class WeakContainer {
  10. public:
  11. explicit WeakContainer(Heap& heap)
  12. : m_heap(heap)
  13. {
  14. m_heap.did_create_weak_container({}, *this);
  15. }
  16. virtual ~WeakContainer()
  17. {
  18. deregister();
  19. }
  20. virtual void remove_swept_cells(Badge<Heap>, Vector<Cell*>&) = 0;
  21. protected:
  22. void deregister()
  23. {
  24. if (!m_registered)
  25. return;
  26. m_heap.did_destroy_weak_container({}, *this);
  27. m_registered = false;
  28. }
  29. private:
  30. bool m_registered { true };
  31. Heap& m_heap;
  32. };
  33. }