1/*
2 * Copyright (C) 2013-2018 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(CSS_SELECTOR_JIT)
29
30#include "CSSPtrTag.h"
31#include <JavaScriptCore/MacroAssemblerCodeRef.h>
32
33namespace WebCore {
34
35class SelectorCompilationStatus {
36public:
37 enum Status {
38 NotCompiled,
39 CannotCompile,
40 SimpleSelectorChecker,
41 SelectorCheckerWithCheckingContext
42 };
43
44 SelectorCompilationStatus()
45 : m_status(NotCompiled)
46 { }
47
48 SelectorCompilationStatus(Status status)
49 : m_status(status)
50 { }
51
52 operator Status() const { return m_status; }
53
54private:
55 Status m_status;
56};
57
58struct CompiledSelector {
59 WTF_MAKE_STRUCT_FAST_ALLOCATED;
60 SelectorCompilationStatus status;
61 JSC::MacroAssemblerCodeRef<CSSSelectorPtrTag> codeRef;
62#if defined(CSS_SELECTOR_JIT_PROFILING) && CSS_SELECTOR_JIT_PROFILING
63 unsigned useCount { 0 };
64#endif
65};
66
67}
68
69#endif
70