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
35namespace WebCore {
36
37class CSSSelector;
38class Element;
39
40namespace SelectorCompiler {
41
42enum 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
50typedef unsigned (*RuleCollectorSimpleSelectorChecker)(const Element*, unsigned*);
51typedef unsigned (*QuerySelectorSimpleSelectorChecker)(const Element*);
52
53typedef unsigned (*RuleCollectorSelectorCheckerWithCheckingContext)(const Element*, SelectorChecker::CheckingContext*, unsigned*);
54typedef unsigned (*QuerySelectorSelectorCheckerWithCheckingContext)(const Element*, const SelectorChecker::CheckingContext*);
55
56SelectorCompilationStatus compileSelector(const CSSSelector*, SelectorContext, JSC::MacroAssemblerCodeRef<CSSSelectorPtrTag>& outputCodeRef);
57
58inline RuleCollectorSimpleSelectorChecker ruleCollectorSimpleSelectorCheckerFunction(void* executableAddress, SelectorCompilationStatus compilationStatus)
59{
60 ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SimpleSelectorChecker);
61 return WTF::untagCFunctionPtr<RuleCollectorSimpleSelectorChecker, CSSSelectorPtrTag>(executableAddress);
62}
63
64inline QuerySelectorSimpleSelectorChecker querySelectorSimpleSelectorCheckerFunction(void* executableAddress, SelectorCompilationStatus compilationStatus)
65{
66 ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SimpleSelectorChecker);
67 return WTF::untagCFunctionPtr<QuerySelectorSimpleSelectorChecker, CSSSelectorPtrTag>(executableAddress);
68}
69
70inline RuleCollectorSelectorCheckerWithCheckingContext ruleCollectorSelectorCheckerFunctionWithCheckingContext(void* executableAddress, SelectorCompilationStatus compilationStatus)
71{
72 ASSERT_UNUSED(compilationStatus, compilationStatus == SelectorCompilationStatus::SelectorCheckerWithCheckingContext);
73 return WTF::untagCFunctionPtr<RuleCollectorSelectorCheckerWithCheckingContext, CSSSelectorPtrTag>(executableAddress);
74}
75
76inline 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