1/*
2 * Copyright (C) 2015-2016 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(B3_JIT)
29
30#include "B3Value.h"
31
32namespace JSC { namespace B3 {
33
34class Variable;
35
36class JS_EXPORT_PRIVATE VariableValue : public Value {
37public:
38 static bool accepts(Kind kind) { return kind == Get || kind == Set; }
39
40 ~VariableValue();
41
42 Variable* variable() const { return m_variable; }
43
44 B3_SPECIALIZE_VALUE_FOR_NON_VARARGS_CHILDREN
45 B3_SPECIALIZE_VALUE_FOR_FINAL_SIZE_FIXED_CHILDREN
46
47protected:
48 void dumpMeta(CommaPrinter&, PrintStream&) const override;
49
50private:
51 friend class Procedure;
52 friend class Value;
53
54 // Use this for Set.
55 VariableValue(Kind, Origin, Variable*, Value*);
56
57 // Use this for Get.
58 VariableValue(Kind, Origin, Variable*);
59
60 Variable* m_variable;
61};
62
63} } // namespace JSC::B3
64
65#endif // ENABLE(B3_JIT)
66