1/*
2 * Copyright (C) 2013, 2016 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 "FTLAbbreviatedTypes.h"
31#include "FTLAbstractHeap.h"
32
33namespace JSC { namespace FTL {
34
35class TypedPointer {
36public:
37 TypedPointer()
38 : m_heap(0)
39 , m_value(0)
40 {
41 }
42
43 TypedPointer(const AbstractHeap& heap, LValue value)
44 : m_heap(&heap)
45 , m_value(value)
46 {
47 }
48
49 explicit operator bool() const
50 {
51 ASSERT(!m_heap == !m_value);
52 return !!m_heap;
53 }
54
55 const AbstractHeap* heap() const { return m_heap; }
56 LValue value() const { return m_value; }
57
58private:
59 const AbstractHeap* m_heap;
60 LValue m_value;
61};
62
63} } // namespace JSC::FTL
64
65#endif // ENABLE(FTL_JIT)
66