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 "CompiledSelector.h" |
31 | #include "SelectorChecker.h" |
32 | |
33 | #define CSS_SELECTOR_JIT_PROFILING 0 |
34 | |
35 | namespace WebCore { |
36 | |
37 | class CSSSelector; |
38 | class Element; |
39 | |
40 | namespace SelectorCompiler { |
41 | |
42 | enum class SelectorContext { |
43 | // Rule Collector needs a resolvingMode and can modify the tree as it matches. |
44 | RuleCollector, |
45 | |
46 | // Query Selector does not modify the tree and never match :visited. |
47 | QuerySelector |
48 | }; |
49 | |
50 | typedef unsigned (*RuleCollectorSimpleSelectorChecker)(const Element*, unsigned*); |
51 | typedef unsigned (*QuerySelectorSimpleSelectorChecker)(const Element*); |
52 | |
53 | typedef unsigned (*RuleCollectorSelectorCheckerWithCheckingContext)(const Element*, SelectorChecker::CheckingContext*, unsigned*); |
54 | typedef unsigned (*QuerySelectorSelectorCheckerWithCheckingContext)(const Element*, const SelectorChecker::CheckingContext*); |
55 | |
56 | SelectorCompilationStatus compileSelector(const CSSSelector*, SelectorContext, JSC::MacroAssemblerCodeRef<CSSSelectorPtrTag>& outputCodeRef); |
57 | |
58 | inline RuleCollectorSimpleSelectorChecker ruleCollectorSimpleSelectorCheckerFunction(void* executableAddress, SelectorCompilationStatus compilationStatus) |
59 | { |
60 | ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SimpleSelectorChecker); |
61 | return WTF::untagCFunctionPtr<RuleCollectorSimpleSelectorChecker, CSSSelectorPtrTag>(executableAddress); |
62 | } |
63 | |
64 | inline QuerySelectorSimpleSelectorChecker querySelectorSimpleSelectorCheckerFunction(void* executableAddress, SelectorCompilationStatus compilationStatus) |
65 | { |
66 | ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SimpleSelectorChecker); |
67 | return WTF::untagCFunctionPtr<QuerySelectorSimpleSelectorChecker, CSSSelectorPtrTag>(executableAddress); |
68 | } |
69 | |
70 | inline RuleCollectorSelectorCheckerWithCheckingContext ruleCollectorSelectorCheckerFunctionWithCheckingContext(void* executableAddress, SelectorCompilationStatus compilationStatus) |
71 | { |
72 | ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SelectorCheckerWithCheckingContext); |
73 | return WTF::untagCFunctionPtr<RuleCollectorSelectorCheckerWithCheckingContext, CSSSelectorPtrTag>(executableAddress); |
74 | } |
75 | |
76 | inline QuerySelectorSelectorCheckerWithCheckingContext querySelectorSelectorCheckerFunctionWithCheckingContext(void* executableAddress, SelectorCompilationStatus compilationStatus) |
77 | { |
78 | ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SelectorCheckerWithCheckingContext); |
79 | return WTF::untagCFunctionPtr<QuerySelectorSelectorCheckerWithCheckingContext, CSSSelectorPtrTag>(executableAddress); |
80 | } |
81 | |
82 | } // namespace SelectorCompiler |
83 | } // namespace WebCore |
84 | |
85 | #endif // ENABLE(CSS_SELECTOR_JIT) |
86 | |