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 | |
33 | namespace WebCore { |
34 | |
35 | class SelectorCompilationStatus { |
36 | public: |
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 | |
54 | private: |
55 | Status m_status; |
56 | }; |
57 | |
58 | struct 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 | |