1/*
2 * Copyright (C) 2016-2017 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(B3_JIT)
29
30#include "B3Bank.h"
31#include "B3SparseCollection.h"
32#include "B3Type.h"
33#include "B3Width.h"
34#include <wtf/FastMalloc.h>
35#include <wtf/Noncopyable.h>
36#include <wtf/PrintStream.h>
37
38namespace JSC { namespace B3 {
39
40class Procedure;
41
42class Variable {
43 WTF_MAKE_NONCOPYABLE(Variable);
44 WTF_MAKE_FAST_ALLOCATED;
45
46public:
47 ~Variable();
48
49 Type type() const { return m_type; }
50 Width width() const { return widthForType(type()); }
51 Bank bank() const { return bankForType(type()); }
52 unsigned index() const { return m_index; }
53
54 void dump(PrintStream&) const;
55 void deepDump(PrintStream&) const;
56
57private:
58 friend class Procedure;
59 friend class SparseCollection<Variable>;
60
61 Variable(Type);
62
63 unsigned m_index;
64 Type m_type;
65};
66
67class DeepVariableDump {
68public:
69 DeepVariableDump(const Variable* variable)
70 : m_variable(variable)
71 {
72 }
73
74 void dump(PrintStream& out) const
75 {
76 if (m_variable)
77 m_variable->deepDump(out);
78 else
79 out.print("<null>");
80 }
81
82private:
83 const Variable* m_variable;
84};
85
86inline DeepVariableDump deepDump(const Variable* variable)
87{
88 return DeepVariableDump(variable);
89}
90
91} } // namespace JSC::B3
92
93#endif // ENABLE(B3_JIT)
94