ladybird/Libraries/LibJS/Runtime/WeakMap.h
2025-06-30 10:50:36 -06:00

40 lines
954 B
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <LibGC/WeakContainer.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
namespace JS {
class JS_API WeakMap final
: public Object
, public GC::WeakContainer {
JS_OBJECT(WeakMap, Object);
GC_DECLARE_ALLOCATOR(WeakMap);
public:
static GC::Ref<WeakMap> create(Realm&);
virtual ~WeakMap() override = default;
HashMap<GC::Ptr<Cell>, Value> const& values() const { return m_values; }
HashMap<GC::Ptr<Cell>, Value>& values() { return m_values; }
virtual void remove_dead_cells(Badge<GC::Heap>) override;
private:
explicit WeakMap(Object& prototype);
void visit_edges(Visitor&) override;
HashMap<GC::Ptr<Cell>, Value> m_values; // This stores Cell pointers instead of Object pointers to aide with sweeping
};
}