ladybird/Userland/Libraries/LibJS/Runtime/WeakMap.h

39 lines
913 B
C++

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