WeakMap.cpp 768 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. #include <LibJS/Runtime/WeakMap.h>
  7. namespace JS {
  8. WeakMap* WeakMap::create(GlobalObject& global_object)
  9. {
  10. return global_object.heap().allocate<WeakMap>(global_object, *global_object.weak_map_prototype());
  11. }
  12. WeakMap::WeakMap(Object& prototype)
  13. : Object(prototype)
  14. , WeakContainer(heap())
  15. {
  16. }
  17. WeakMap::~WeakMap()
  18. {
  19. }
  20. void WeakMap::remove_dead_cells(Badge<Heap>)
  21. {
  22. m_values.remove_all_matching([](Cell* key, Value) {
  23. return key->state() != Cell::State::Live;
  24. });
  25. }
  26. void WeakMap::visit_edges(Visitor& visitor)
  27. {
  28. Base::visit_edges(visitor);
  29. for (auto& entry : m_values)
  30. visitor.visit(entry.value);
  31. }
  32. }