ladybird/Userland/Libraries/LibJS/Runtime/Set.h
2022-12-02 13:09:15 +01:00

49 lines
1.3 KiB
C++

/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Map.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
class Set : public Object {
JS_OBJECT(Set, Object);
public:
static Set* create(Realm&);
virtual void initialize(Realm&) override;
virtual ~Set() override = default;
// NOTE: Unlike what the spec says, we implement Sets using an underlying map,
// so all the functions below do not directly implement the operations as
// defined by the specification.
void set_clear() { m_values->map_clear(); }
bool set_remove(Value const& value) { return m_values->map_remove(value); }
bool set_has(Value const& key) const { return m_values->map_has(key); }
void set_add(Value const& key) { m_values->map_set(key, js_undefined()); }
size_t set_size() const { return m_values->map_size(); }
auto begin() const { return const_cast<Map const&>(*m_values).begin(); }
auto begin() { return m_values->begin(); }
auto end() const { return m_values->end(); }
NonnullGCPtr<Set> copy() const;
private:
explicit Set(Object& prototype);
virtual void visit_edges(Visitor& visitor) override;
GCPtr<Map> m_values;
};
}