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