1/*
2 * Copyright (C) 2019 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "CacheUpdate.h"
28
29namespace JSC {
30
31CacheUpdate::CacheUpdate(GlobalUpdate&& update)
32 : m_update(WTFMove(update))
33{
34}
35
36CacheUpdate::CacheUpdate(FunctionUpdate&& update)
37 : m_update(WTFMove(update))
38{
39}
40
41CacheUpdate::CacheUpdate(CacheUpdate&& other)
42{
43 if (WTF::holds_alternative<GlobalUpdate>(other.m_update))
44 new (this) CacheUpdate(WTFMove(WTF::get<GlobalUpdate>(other.m_update)));
45 else
46 new (this) CacheUpdate(WTFMove(WTF::get<FunctionUpdate>(other.m_update)));
47}
48
49CacheUpdate& CacheUpdate::operator=(CacheUpdate&& other)
50{
51 this->~CacheUpdate();
52 return *new (this) CacheUpdate(WTFMove(other));
53}
54
55bool CacheUpdate::isGlobal() const
56{
57 return WTF::holds_alternative<GlobalUpdate>(m_update);
58}
59
60const CacheUpdate::GlobalUpdate& CacheUpdate::asGlobal() const
61{
62 ASSERT(isGlobal());
63 return WTF::get<GlobalUpdate>(m_update);
64}
65
66const CacheUpdate::FunctionUpdate& CacheUpdate::asFunction() const
67{
68 ASSERT(!isGlobal());
69 return WTF::get<FunctionUpdate>(m_update);
70}
71
72} // namespace JSC
73