1/*
2 * Copyright (C) 2014, 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. ``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#if ENABLE(FTL_JIT)
29
30#include "DFGNodeType.h"
31#include "FTLExitPropertyValue.h"
32#include "FTLExitValue.h"
33#include <wtf/Noncopyable.h>
34
35namespace JSC {
36
37class TrackedReferences;
38
39namespace FTL {
40
41class ExitTimeObjectMaterialization {
42 WTF_MAKE_NONCOPYABLE(ExitTimeObjectMaterialization)
43public:
44 ExitTimeObjectMaterialization(DFG::NodeType, CodeOrigin);
45 ~ExitTimeObjectMaterialization();
46
47 void add(DFG::PromotedLocationDescriptor, const ExitValue&);
48
49 DFG::NodeType type() const { return m_type; }
50 CodeOrigin origin() const { return m_origin; }
51
52 ExitValue get(DFG::PromotedLocationDescriptor) const;
53 const Vector<ExitPropertyValue>& properties() const { return m_properties; }
54
55 void accountForLocalsOffset(int offset);
56
57 void dump(PrintStream& out) const;
58
59 void validateReferences(const TrackedReferences&) const;
60
61private:
62 DFG::NodeType m_type;
63 CodeOrigin m_origin;
64 Vector<ExitPropertyValue> m_properties;
65};
66
67} } // namespace JSC::FTL
68
69#endif // ENABLE(FTL_JIT)
70