1/*
2 * Copyright (C) 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WeakGCMapInlines_h
27#define WeakGCMapInlines_h
28
29#include "HeapInlines.h"
30#include "WeakGCMap.h"
31
32namespace JSC {
33
34template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
35inline WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::WeakGCMap(VM& vm)
36 : m_vm(vm)
37{
38 vm.heap.registerWeakGCMap(this, [this]() {
39 pruneStaleEntries();
40 });
41}
42
43template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
44inline WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::~WeakGCMap()
45{
46 m_vm.heap.unregisterWeakGCMap(this);
47}
48
49template<typename KeyArg, typename ValueArg, typename HashArg, typename KeyTraitsArg>
50NEVER_INLINE void WeakGCMap<KeyArg, ValueArg, HashArg, KeyTraitsArg>::pruneStaleEntries()
51{
52 m_map.removeIf([](typename HashMapType::KeyValuePairType& entry) {
53 return !entry.value;
54 });
55}
56
57} // namespace JSC
58
59#endif // WeakGCMapInlines_h
60