mirror of
https://github.com/darlinghq/darling-WebCore.git
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104 lines
5.0 KiB
C++
104 lines
5.0 KiB
C++
/*
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* Copyright (C) 2013-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(CSS_SELECTOR_JIT)
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#include "CompiledSelector.h"
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#include "SelectorChecker.h"
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#include <JavaScriptCore/VM.h>
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namespace WebCore {
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class CSSSelector;
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class Element;
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namespace SelectorCompiler {
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enum class SelectorContext {
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// Rule Collector needs a resolvingMode and can modify the tree as it matches.
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RuleCollector,
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// Query Selector does not modify the tree and never match :visited.
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QuerySelector
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};
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void compileSelector(CompiledSelector&, const CSSSelector*, SelectorContext);
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#if CPU(ARM64E)
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extern "C" unsigned vmEntryToCSSJIT(uintptr_t, uintptr_t, uintptr_t, const void* codePtr);
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extern "C" void vmEntryToCSSJITAfter(void);
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#endif
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inline unsigned ruleCollectorSimpleSelectorChecker(CompiledSelector& compiledSelector, const Element* element, unsigned* value)
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{
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ASSERT(compiledSelector.status == SelectorCompilationStatus::SimpleSelectorChecker);
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#if CPU(ARM64E)
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if (JSC::Options::useJITCage())
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return vmEntryToCSSJIT(bitwise_cast<uintptr_t>(element), bitwise_cast<uintptr_t>(value), 0, compiledSelector.codeRef.code().executableAddress());
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#endif
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using RuleCollectorSimpleSelectorChecker = unsigned(*)(const Element*, unsigned*);
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return WTF::untagCFunctionPtr<RuleCollectorSimpleSelectorChecker, JSC::CSSSelectorPtrTag>(compiledSelector.codeRef.code().executableAddress())(element, value);
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}
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inline unsigned querySelectorSimpleSelectorChecker(CompiledSelector& compiledSelector, const Element* element)
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{
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ASSERT(compiledSelector.status == SelectorCompilationStatus::SimpleSelectorChecker);
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#if CPU(ARM64E)
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if (JSC::Options::useJITCage())
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return vmEntryToCSSJIT(bitwise_cast<uintptr_t>(element), 0, 0, compiledSelector.codeRef.code().executableAddress());
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#endif
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using QuerySelectorSimpleSelectorChecker = unsigned(*)(const Element*);
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return WTF::untagCFunctionPtr<QuerySelectorSimpleSelectorChecker, JSC::CSSSelectorPtrTag>(compiledSelector.codeRef.code().executableAddress())(element);
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}
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inline unsigned ruleCollectorSelectorCheckerWithCheckingContext(CompiledSelector& compiledSelector, const Element* element, SelectorChecker::CheckingContext* context, unsigned* value)
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{
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ASSERT(compiledSelector.status == SelectorCompilationStatus::SelectorCheckerWithCheckingContext);
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#if CPU(ARM64E)
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if (JSC::Options::useJITCage())
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return vmEntryToCSSJIT(bitwise_cast<uintptr_t>(element), bitwise_cast<uintptr_t>(context), bitwise_cast<uintptr_t>(value), compiledSelector.codeRef.code().executableAddress());
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#endif
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using RuleCollectorSelectorCheckerWithCheckingContext = unsigned(*)(const Element*, SelectorChecker::CheckingContext*, unsigned*);
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return WTF::untagCFunctionPtr<RuleCollectorSelectorCheckerWithCheckingContext, JSC::CSSSelectorPtrTag>(compiledSelector.codeRef.code().executableAddress())(element, context, value);
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}
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inline unsigned querySelectorSelectorCheckerWithCheckingContext(CompiledSelector& compiledSelector, const Element* element, const SelectorChecker::CheckingContext* context)
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{
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ASSERT(compiledSelector.status == SelectorCompilationStatus::SelectorCheckerWithCheckingContext);
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#if CPU(ARM64E)
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if (JSC::Options::useJITCage())
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return vmEntryToCSSJIT(bitwise_cast<uintptr_t>(element), bitwise_cast<uintptr_t>(context), 0, compiledSelector.codeRef.code().executableAddress());
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#endif
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using QuerySelectorSelectorCheckerWithCheckingContext = unsigned(*)(const Element*, const SelectorChecker::CheckingContext*);
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return WTF::untagCFunctionPtr<QuerySelectorSelectorCheckerWithCheckingContext, JSC::CSSSelectorPtrTag>(compiledSelector.codeRef.code().executableAddress())(element, context);
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}
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} // namespace SelectorCompiler
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} // namespace WebCore
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#endif // ENABLE(CSS_SELECTOR_JIT)
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