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 StackSlot;
35
36class JS_EXPORT_PRIVATE SlotBaseValue : public Value {
37public:
38 static bool accepts(Kind kind) { return kind == SlotBase; }
39
40 ~SlotBaseValue();
41
42 StackSlot* slot() const { return m_slot; }
43
44 B3_SPECIALIZE_VALUE_FOR_NO_CHILDREN
45
46private:
47 friend class Procedure;
48 friend class Value;
49
50 void dumpMeta(CommaPrinter&, PrintStream&) const override;
51
52 static Opcode opcodeFromConstructor(Origin, StackSlot*) { return SlotBase; }
53 SlotBaseValue(Origin origin, StackSlot* slot)
54 : Value(CheckedOpcode, SlotBase, pointerType(), Zero, origin)
55 , m_slot(slot)
56 {
57 }
58
59 StackSlot* m_slot;
60};
61
62} } // namespace JSC::B3
63
64#endif // ENABLE(B3_JIT)
65