1/*
2 * Copyright (C) 2017 Yusuke Suzuki <[email protected]>.
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#pragma once
27
28#include "AdaptiveInferredPropertyValueWatchpointBase.h"
29
30namespace JSC {
31
32template<typename Watchpoint>
33class ObjectPropertyChangeAdaptiveWatchpoint final : public AdaptiveInferredPropertyValueWatchpointBase {
34public:
35 using Base = AdaptiveInferredPropertyValueWatchpointBase;
36 ObjectPropertyChangeAdaptiveWatchpoint(JSCell* owner, const ObjectPropertyCondition& condition, Watchpoint& watchpoint)
37 : Base(condition)
38 , m_owner(owner)
39 , m_watchpoint(watchpoint)
40 {
41 RELEASE_ASSERT(watchpoint.stateOnJSThread() == IsWatched);
42 }
43
44private:
45 bool isValid() const override
46 {
47 return m_owner->isLive();
48 }
49
50 void handleFire(VM& vm, const FireDetail&) override
51 {
52 m_watchpoint.fireAll(vm, StringFireDetail("Object Property is changed."));
53 }
54
55 JSCell* m_owner;
56 Watchpoint& m_watchpoint;
57};
58
59} // namespace JSC
60