blob: c49c4fbef2e4530885dfe8d293a5f0b5072b4e52 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* Copyright (c) 2021-2022, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Object.h>
#include <LibJS/Runtime/WeakContainer.h>
namespace JS {
class WeakRef final
: public Object
, public WeakContainer {
JS_OBJECT(WeakRef, Object);
public:
static WeakRef* create(Realm&, Object&);
static WeakRef* create(Realm&, Symbol&);
explicit WeakRef(Object&, Object& prototype);
explicit WeakRef(Symbol&, Object& prototype);
virtual ~WeakRef() override = default;
auto const& value() const { return m_value; };
void update_execution_generation() { m_last_execution_generation = vm().execution_generation(); };
virtual void remove_dead_cells(Badge<Heap>) override;
private:
virtual void visit_edges(Visitor&) override;
Variant<Object*, Symbol*, Empty> m_value;
u32 m_last_execution_generation { 0 };
};
}
|
