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