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SelectorCompiler.cpp
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4516 lines (3799 loc) · 226 KB
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/*
* Copyright (C) 2013-2023 Apple Inc. All rights reserved.
* Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
*
* 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.
*/
#include "config.h"
#include "SelectorCompiler.h"
#if ENABLE(CSS_SELECTOR_JIT)
#include "CSSSelector.h"
#include "CSSSelectorList.h"
#include "CommonAtomStrings.h"
#include "DOMJITHelpers.h"
#include "Element.h"
#include "ElementData.h"
#include "ElementInlines.h"
#include "ElementRareData.h"
#include "FunctionCall.h"
#include "HTMLDocument.h"
#include "HTMLNames.h"
#include "InspectorInstrumentation.h"
#include "Namespace.h"
#include "NodeName.h"
#include "NodeRenderStyle.h"
#include "QualifiedName.h"
#include "RegisterAllocator.h"
#include "RenderElement.h"
#include "RenderStyle.h"
#include "SVGElement.h"
#include "SelectorCheckerTestFunctions.h"
#include "StackAllocator.h"
#include "StyleRelations.h"
#include "StyledElement.h"
#include <JavaScriptCore/GPRInfo.h>
#include <JavaScriptCore/LinkBuffer.h>
#include <JavaScriptCore/MacroAssembler.h>
#include <JavaScriptCore/VM.h>
#include <limits>
#include <wtf/Deque.h>
#include <wtf/HashSet.h>
#include <wtf/Vector.h>
#include <wtf/text/CString.h>
// Set this to 1 to enable stats collection on how many times selector operation functions
// are called. You'll have to add a call to dumpSelectorOperationStats() to see what the
// resutls are.
//
// Hint: one convenient way to trigger the dump of these statistics would be to add a call
// to dumpSelectorOperationStats() from the callback for
// memoryPressureHandler.setMemoryPressureStatusChangedCallback in WebProcess.cpp. Then,
// the dump can be triggered using `notifyutil -p org.WebKit.lowMemory` on macOS.
//
// Note: the current dumpSelectorOperationStats() is configured to reset the stats counts
// after each dump. If you don't want this, set resetStatsOnDump to false.
#define ENABLE_SELECTOR_OPERATION_STATS 0
namespace WebCore {
namespace SelectorCompiler {
using PseudoClassesSet = HashSet<CSSSelector::PseudoClass, IntHash<CSSSelector::PseudoClass>, WTF::StrongEnumHashTraits<CSSSelector::PseudoClass>>;
#if ENABLE(SELECTOR_OPERATION_STATS)
#define FOR_EACH_SELECTOR_OPERATION(v) \
v(operationIsAutofilled) \
v(operationIsAutofilledAndObscured) \
v(operationIsAutofilledStrongPassword) \
v(operationIsAutofilledStrongPasswordViewable) \
v(operationIsChecked) \
v(operationMatchesDefaultPseudoClass) \
v(operationMatchesDisabledPseudoClass) \
v(operationMatchesEnabledPseudoClass) \
v(operationIsDefinedElement) \
v(operationMatchesFocusPseudoClass) \
v(operationMatchesFocusVisiblePseudoClass) \
v(operationMatchesFocusWithinPseudoClass) \
v(operationIsMediaDocument) \
v(operationIsInRange) \
v(operationMatchesIndeterminatePseudoClass) \
v(operationIsInvalid) \
v(operationIsOptionalFormControl) \
v(operationIsOutOfRange) \
v(operationMatchesReadOnlyPseudoClass) \
v(operationMatchesReadWritePseudoClass) \
v(operationIsRequiredFormControl) \
v(operationIsValid) \
v(operationIsWindowInactive) \
v(operationMatchesFullscreenPseudoClass) \
v(operationMatchesFullscreenDocumentPseudoClass) \
v(operationMatchesAnimatingFullscreenTransitionPseudoClass) \
v(operationMatchesInWindowFullscreenPseudoClass) \
v(operationMatchesPictureInPicturePseudoClass) \
v(operationMatchesFutureCuePseudoClass) \
v(operationMatchesPastCuePseudoClass) \
v(operationMatchesPlayingPseudoClass) \
v(operationMatchesPausedPseudoClass) \
v(operationMatchesSeekingPseudoClass) \
v(operationMatchesBufferingPseudoClass) \
v(operationMatchesStalledPseudoClass) \
v(operationMatchesMutedPseudoClass) \
v(operationMatchesVolumeLockedPseudoClass) \
v(operationHasAttachment) \
v(operationMatchesDir) \
v(operationMatchesLangPseudoClass) \
v(operationMatchesPopoverOpenPseudoClass) \
v(operationMatchesModalPseudoClass) \
v(operationMatchesHtmlDocumentPseudoClass) \
v(operationIsUserInvalid) \
v(operationIsUserValid) \
v(operationAddStyleRelationFunction) \
v(operationModuloHelper) \
v(operationAttributeValueBeginsWithCaseSensitive) \
v(operationAttributeValueBeginsWithCaseInsensitive) \
v(operationAttributeValueContainsCaseSensitive) \
v(operationAttributeValueContainsCaseInsensitive) \
v(operationAttributeValueEndsWithCaseSensitive) \
v(operationAttributeValueEndsWithCaseInsensitive) \
v(operationAttributeValueMatchHyphenRuleCaseSensitive) \
v(operationAttributeValueMatchHyphenRuleCaseInsensitive) \
v(operationAttributeValueSpaceSeparatedListContainsCaseSensitive) \
v(operationAttributeValueSpaceSeparatedListContainsCaseInsensitive) \
v(operationElementIsActive) \
v(operationElementIsHovered) \
v(operationMakeContextStyleUniqueIfNecessaryAndTestIsPlaceholderShown) \
v(operationIsPlaceholderShown) \
v(operationSynchronizeStyleAttributeInternal) \
v(operationSynchronizeAllAnimatedSVGAttribute) \
v(operationEqualIgnoringASCIICaseNonNull) \
v(operationElementIsTarget) \
enum class SelectorIndex {
#define DEFINE_SELECTOR_ENUM(selector) selector,
FOR_EACH_SELECTOR_OPERATION(DEFINE_SELECTOR_ENUM)
#undef DEFINE_SELECTOR_ENUM
};
constexpr size_t numberOfSelectorOperations()
{
size_t count = 0;
#define COUNT_SELECTOR_OPERATION(selector) count++;
FOR_EACH_SELECTOR_OPERATION(COUNT_SELECTOR_OPERATION)
#undef COUNT_SELECTOR_OPERATION
return count;
}
size_t selectorStats[numberOfSelectorOperations()];
#define COUNT_SELECTOR_OPERATION(selector) do { \
selectorStats[static_cast<unsigned>(SelectorIndex::selector)]++; \
} while (false)
extern "C" {
WEBCORE_EXPORT void dumpSelectorOperationStats();
}
void dumpSelectorOperationStats()
{
constexpr bool resetStatsOnDump = true;
static const char* const selectorNames[] = {
#define SELECTOR_OPERATION_NAME(selector) #selector,
FOR_EACH_SELECTOR_OPERATION(SELECTOR_OPERATION_NAME)
#undef SELECTOR_OPERATION_NAME
};
struct Entry {
const char* name;
size_t count;
};
Entry entries[numberOfSelectorOperations()];
for (size_t i = 0; i < numberOfSelectorOperations(); ++i) {
entries[i].name = selectorNames[i];
entries[i].count = selectorStats[i];
if (resetStatsOnDump)
selectorStats[i] = 0;
}
std::sort(&entries[0], &entries[numberOfSelectorOperations()], [] (Entry& a, Entry& b) -> bool {
return a.count > b.count;
});
dataLogLn("Selector operation stats:");
for (size_t i = 0; i < numberOfSelectorOperations(); ++i) {
if (!entries[i].count)
break;
dataLogLn(" ", entries[i].name, ": ", entries[i].count);
}
}
#else
#define COUNT_SELECTOR_OPERATION(selector)
#endif
extern "C" {
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAddStyleRelationFunction, void, (SelectorChecker::CheckingContext*, const Element*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationElementIsActive, bool, (const Element*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationElementIsHovered, bool, (const Element*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsPlaceholderShown, bool, (const Element*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMakeContextStyleUniqueIfNecessaryAndTestIsPlaceholderShown, bool, (const Element*, SelectorChecker::CheckingContext*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationSynchronizeAllAnimatedSVGAttribute, void, (SVGElement&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationSynchronizeStyleAttributeInternal, void, (StyledElement* styledElement));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationEqualIgnoringASCIICaseNonNull, bool, (const StringImpl*, const StringImpl*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationElementIsTarget, bool, (const Element*));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsAutofilled, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsAutofilledAndObscured, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsAutofilledStrongPassword, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsAutofilledStrongPasswordViewable, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsChecked, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesDefaultPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesDisabledPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesEnabledPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsDefinedElement, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFocusPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFocusVisiblePseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFocusWithinPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsMediaDocument, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsInRange, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesIndeterminatePseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsInvalid, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsOptionalFormControl, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsOutOfRange, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesReadOnlyPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesReadWritePseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsRequiredFormControl, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsValid, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsWindowInactive, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesDir, bool, (const Element&, uint32_t));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesLangPseudoClass, bool, (const Element&, const FixedVector<PossiblyQuotedIdentifier>&));
#if ENABLE(FULLSCREEN_API)
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFullscreenPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFullscreenDocumentPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesAnimatingFullscreenTransitionPseudoClass, bool, (const Element&));
#if ENABLE(VIDEO)
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesInWindowFullscreenPseudoClass, bool, (const Element&));
#endif
#endif
#if ENABLE(PICTURE_IN_PICTURE_API)
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesPictureInPicturePseudoClass, bool, (const Element&));
#endif
#if ENABLE(VIDEO)
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesFutureCuePseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesPastCuePseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesPlayingPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesPausedPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesSeekingPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesBufferingPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesStalledPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesMutedPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesVolumeLockedPseudoClass, bool, (const Element&));
#endif
#if ENABLE(ATTACHMENT_ELEMENT)
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationHasAttachment, bool, (const Element&));
#endif
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesHtmlDocumentPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesPopoverOpenPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationMatchesModalPseudoClass, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsUserInvalid, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationIsUserValid, bool, (const Element&));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueBeginsWithCaseSensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueBeginsWithCaseInsensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueContainsCaseSensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueContainsCaseInsensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueEndsWithCaseSensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueEndsWithCaseInsensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueMatchHyphenRuleCaseSensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueMatchHyphenRuleCaseInsensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueSpaceSeparatedListContainsCaseSensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
static JSC_DECLARE_NOEXCEPT_JIT_OPERATION_WITHOUT_WTF_INTERNAL(operationAttributeValueSpaceSeparatedListContainsCaseInsensitive, bool, (const Attribute* attribute, AtomStringImpl* expectedString));
} // extern "C"
#define CSS_SELECTOR_JIT_DEBUGGING 0
enum class BacktrackingAction {
NoBacktracking,
JumpToDescendantEntryPoint,
JumpToIndirectAdjacentEntryPoint,
JumpToDescendantTreeWalkerEntryPoint,
JumpToIndirectAdjacentTreeWalkerEntryPoint,
JumpToDescendantTail,
JumpToDirectAdjacentTail
};
struct BacktrackingFlag {
enum {
DescendantEntryPoint = 1,
IndirectAdjacentEntryPoint = 1 << 1,
SaveDescendantBacktrackingStart = 1 << 2,
SaveAdjacentBacktrackingStart = 1 << 3,
DirectAdjacentTail = 1 << 4,
DescendantTail = 1 << 5,
InChainWithDescendantTail = 1 << 6,
InChainWithAdjacentTail = 1 << 7
};
};
enum class FragmentRelation {
Rightmost,
Descendant,
Child,
DirectAdjacent,
IndirectAdjacent
};
enum class FunctionType {
SimpleSelectorChecker,
SelectorCheckerWithCheckingContext,
CannotMatchAnything,
CannotCompile
};
enum class FragmentPositionInRootFragments {
Rightmost,
AdjacentToRightmost,
Other
};
enum class VisitedMode {
None,
Visited
};
enum class AttributeCaseSensitivity {
CaseSensitive,
// Some values are matched case-insensitively for HTML elements.
// That is a legacy behavior decided by HTMLDocument::isCaseSensitiveAttribute().
HTMLLegacyCaseInsensitive,
CaseInsensitive
};
static AttributeCaseSensitivity attributeSelectorCaseSensitivity(const CSSSelector& selector)
{
ASSERT(selector.isAttributeSelector());
// This is by convention, the case is irrelevant for Set.
if (selector.match() == CSSSelector::Match::Set)
return AttributeCaseSensitivity::CaseSensitive;
if (selector.attributeValueMatchingIsCaseInsensitive())
return AttributeCaseSensitivity::CaseInsensitive;
if (HTMLDocument::isCaseSensitiveAttribute(selector.attribute()))
return AttributeCaseSensitivity::CaseSensitive;
return AttributeCaseSensitivity::HTMLLegacyCaseInsensitive;
}
class AttributeMatchingInfo {
public:
explicit AttributeMatchingInfo(const CSSSelector& selector)
: m_selector(&selector)
, m_attributeCaseSensitivity(attributeSelectorCaseSensitivity(selector))
{
ASSERT(!(m_attributeCaseSensitivity == AttributeCaseSensitivity::CaseInsensitive && !selector.attributeValueMatchingIsCaseInsensitive()));
ASSERT(!(selector.match() == CSSSelector::Match::Set && m_attributeCaseSensitivity != AttributeCaseSensitivity::CaseSensitive));
}
AttributeCaseSensitivity attributeCaseSensitivity() const { return m_attributeCaseSensitivity; }
const CSSSelector& selector() const { return *m_selector; }
private:
const CSSSelector* m_selector;
AttributeCaseSensitivity m_attributeCaseSensitivity;
};
static const unsigned invalidHeight = std::numeric_limits<unsigned>::max();
static const unsigned invalidWidth = std::numeric_limits<unsigned>::max();
struct SelectorFragment;
class SelectorFragmentList;
class SelectorList : public Vector<SelectorFragmentList> {
public:
unsigned registerRequirements = std::numeric_limits<unsigned>::max();
unsigned stackRequirements = std::numeric_limits<unsigned>::max();
bool clobberElementAddressRegister = true;
};
struct NthChildOfSelectorInfo {
int a;
int b;
SelectorList selectorList;
};
struct SelectorFragment {
FragmentRelation relationToLeftFragment;
FragmentRelation relationToRightFragment;
FragmentPositionInRootFragments positionInRootFragments;
bool isRightmostOrAdjacent { false };
BacktrackingAction traversalBacktrackingAction = BacktrackingAction::NoBacktracking;
BacktrackingAction matchingTagNameBacktrackingAction = BacktrackingAction::NoBacktracking;
BacktrackingAction matchingPostTagNameBacktrackingAction = BacktrackingAction::NoBacktracking;
unsigned char backtrackingFlags = 0;
unsigned tagNameMatchedBacktrackingStartHeightFromDescendant = invalidHeight;
unsigned tagNameNotMatchedBacktrackingStartHeightFromDescendant = invalidHeight;
unsigned heightFromDescendant = 0;
unsigned tagNameMatchedBacktrackingStartWidthFromIndirectAdjacent = invalidWidth;
unsigned tagNameNotMatchedBacktrackingStartWidthFromIndirectAdjacent = invalidWidth;
unsigned widthFromIndirectAdjacent = 0;
// FIXME: the large stack allocation caused by the inline capacity causes memory inefficiency. We should dump
// the min/max/average of the vectors and pick better inline capacity.
const CSSSelector* tagNameSelector = nullptr;
const AtomString* id = nullptr;
Vector<TextDirection> dirList;
Vector<const FixedVector<PossiblyQuotedIdentifier>*> languageArgumentsList;
Vector<const AtomStringImpl*, 8> classNames;
PseudoClassesSet pseudoClasses;
Vector<CodePtr<JSC::OperationPtrTag>, 4> unoptimizedPseudoClasses;
Vector<AttributeMatchingInfo, 4> attributes;
Vector<std::pair<int, int>, 2> nthChildFilters;
Vector<NthChildOfSelectorInfo> nthChildOfFilters;
Vector<std::pair<int, int>, 2> nthLastChildFilters;
Vector<NthChildOfSelectorInfo> nthLastChildOfFilters;
SelectorList notFilters;
Vector<SelectorList> matchesFilters;
Vector<Vector<SelectorFragment>> anyFilters;
const CSSSelector* pseudoElementSelector = nullptr;
// For quirks mode, follow this: http://quirks.spec.whatwg.org/#the-:active-and-:hover-quirk
// In quirks mode, a compound selector 'selector' that matches the following conditions must not match elements that would not also match the ':any-link' selector.
//
// selector uses the ':active' or ':hover' pseudo-classes.
// selector does not use a type selector.
// selector does not use an attribute selector.
// selector does not use an ID selector.
// selector does not use a class selector.
// selector does not use a pseudo-class selector other than ':active' and ':hover'.
// selector does not use a pseudo-element selector.
// selector is not part of an argument to a functional pseudo-class or pseudo-element.
bool onlyMatchesLinksInQuirksMode = true;
};
class SelectorFragmentList : public Vector<SelectorFragment, 4> {
public:
unsigned registerRequirements = std::numeric_limits<unsigned>::max();
unsigned stackRequirements = std::numeric_limits<unsigned>::max();
unsigned staticSpecificity = 0;
bool clobberElementAddressRegister = true;
};
struct TagNamePattern {
const CSSSelector* tagNameSelector = nullptr;
bool inverted = false;
};
typedef JSC::MacroAssembler Assembler;
typedef Vector<TagNamePattern, 32> TagNameList;
struct BacktrackingLevel {
Assembler::Label descendantEntryPoint;
Assembler::Label indirectAdjacentEntryPoint;
Assembler::Label descendantTreeWalkerBacktrackingPoint;
Assembler::Label indirectAdjacentTreeWalkerBacktrackingPoint;
StackAllocator::StackReference descendantBacktrackingStart;
Assembler::JumpList descendantBacktrackingFailureCases;
StackAllocator::StackReference adjacentBacktrackingStart;
Assembler::JumpList adjacentBacktrackingFailureCases;
};
class SelectorCodeGenerator {
public:
SelectorCodeGenerator(const CSSSelector*, SelectorContext);
SelectorCompilationStatus compile(JSC::MacroAssemblerCodeRef<JSC::CSSSelectorPtrTag>&);
private:
static const Assembler::RegisterID returnRegister;
static const Assembler::RegisterID elementAddressRegister;
static const Assembler::RegisterID checkingContextRegister;
static const Assembler::RegisterID callFrameRegister;
void generateReturn();
void generateSelectorChecker();
void generateSelectorCheckerExcludingPseudoElements(Assembler::JumpList& failureCases, const SelectorFragmentList&);
void generateElementMatchesSelectorList(Assembler::JumpList& failureCases, Assembler::RegisterID elementToMatch, const SelectorList&);
// Element relations tree walker.
void generateRightmostTreeWalker(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateWalkToParentNode(Assembler::RegisterID targetRegister);
void generateWalkToParentElement(Assembler::JumpList& failureCases, Assembler::RegisterID targetRegister);
void generateParentElementTreeWalker(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateAncestorTreeWalker(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateWalkToNextAdjacentElement(Assembler::JumpList& failureCases, Assembler::RegisterID);
void generateWalkToPreviousAdjacentElement(Assembler::JumpList& failureCases, Assembler::RegisterID);
void generateWalkToPreviousAdjacent(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateDirectAdjacentTreeWalker(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateIndirectAdjacentTreeWalker(Assembler::JumpList& failureCases, const SelectorFragment&);
void linkFailures(Assembler::JumpList& globalFailureCases, BacktrackingAction, Assembler::JumpList& localFailureCases);
void generateAdjacentBacktrackingTail();
void generateDescendantBacktrackingTail();
void generateBacktrackingTailsIfNeeded(Assembler::JumpList& failureCases, const SelectorFragment&);
// Element properties matchers.
void generateElementMatching(Assembler::JumpList& matchingTagNameFailureCases, Assembler::JumpList& matchingPostTagNameFailureCases, const SelectorFragment&);
void generateElementDataMatching(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementLinkMatching(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementFunctionCallTest(Assembler::JumpList& failureCases, CodePtr<JSC::OperationPtrTag>);
void generateElementIsActive(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsEmpty(Assembler::JumpList& failureCases);
void generateElementIsFirstChild(Assembler::JumpList& failureCases);
void generateElementIsHovered(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementMatchesDir(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsInLanguage(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsInLanguage(Assembler::JumpList& failureCases, const FixedVector<PossiblyQuotedIdentifier>*);
void generateElementIsLastChild(Assembler::JumpList& failureCases);
void generateElementIsOnlyChild(Assembler::JumpList& failureCases);
void generateElementHasPlaceholderShown(Assembler::JumpList& failureCases);
void generateSynchronizeStyleAttribute(Assembler::RegisterID elementDataArraySizeAndFlags);
void generateSynchronizeAllAnimatedSVGAttribute(Assembler::RegisterID elementDataArraySizeAndFlags);
void generateElementAttributesMatching(Assembler::JumpList& failureCases, const LocalRegister& elementDataAddress, const SelectorFragment&);
void generateElementAttributeMatching(Assembler::JumpList& failureCases, Assembler::RegisterID currentAttributeAddress, Assembler::RegisterID decIndexRegister, const AttributeMatchingInfo& attributeInfo);
void generateElementAttributeValueMatching(Assembler::JumpList& failureCases, Assembler::RegisterID currentAttributeAddress, const AttributeMatchingInfo& attributeInfo);
void generateElementAttributeValueExactMatching(Assembler::JumpList& failureCases, Assembler::RegisterID currentAttributeAddress, const AtomString& expectedValue, AttributeCaseSensitivity valueCaseSensitivity);
void generateElementAttributeFunctionCallValueMatching(Assembler::JumpList& failureCases, Assembler::RegisterID currentAttributeAddress, const AtomString& expectedValue, AttributeCaseSensitivity valueCaseSensitivity, CodePtr<JSC::OperationPtrTag> caseSensitiveTest, CodePtr<JSC::OperationPtrTag> caseInsensitiveTest);
void generateElementHasTagName(Assembler::JumpList& failureCases, const CSSSelector& tagMatchingSelector);
void generateElementHasId(Assembler::JumpList& failureCases, const LocalRegister& elementDataAddress, const AtomString& idToMatch);
void generateElementHasClasses(Assembler::JumpList& failureCases, const LocalRegister& elementDataAddress, const Vector<const AtomStringImpl*, 8>& classNames);
void generateElementIsLink(Assembler::JumpList& failureCases);
void generateElementIsNthChild(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsNthChildOf(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsNthLastChild(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsNthLastChildOf(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementMatchesNotPseudoClass(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementMatchesAnyPseudoClass(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementMatchesMatchesPseudoClass(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementHasPseudoElement(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateElementIsRoot(Assembler::JumpList& failureCases);
void generateElementIsScopeRoot(Assembler::JumpList& failureCases);
void generateElementIsTarget(Assembler::JumpList& failureCases);
void generateElementAndDocumentIsHTML(Assembler::JumpList& failureCases);
// Helpers.
void generateAddStyleRelationIfResolvingStyle(Assembler::RegisterID element, Style::Relation::Type, std::optional<Assembler::RegisterID> value = { });
void generateAddStyleRelation(Assembler::RegisterID checkingContext, Assembler::RegisterID element, Style::Relation::Type, std::optional<Assembler::RegisterID> value = { });
Assembler::Jump branchOnResolvingModeWithCheckingContext(Assembler::RelationalCondition, SelectorChecker::Mode, Assembler::RegisterID checkingContext);
Assembler::Jump branchOnResolvingMode(Assembler::RelationalCondition, SelectorChecker::Mode, Assembler::RegisterID checkingContext);
void generateElementIsFirstLink(Assembler::JumpList& failureCases, Assembler::RegisterID element);
void generateStoreLastVisitedElement(Assembler::RegisterID element);
void generateMarkPseudoStyleForPseudoElement(Assembler::JumpList& failureCases, const SelectorFragment&);
void generateNthFilterTest(Assembler::JumpList& failureCases, Assembler::RegisterID counter, int a, int b);
void generateRequestedPseudoElementEqualsToSelectorPseudoElement(Assembler::JumpList& failureCases, const SelectorFragment&, Assembler::RegisterID checkingContext);
void generateSpecialFailureInQuirksModeForActiveAndHoverIfNeeded(Assembler::JumpList& failureCases, const SelectorFragment&);
Assembler::JumpList jumpIfNoPreviousAdjacentElement();
Assembler::JumpList jumpIfNoNextAdjacentElement();
Assembler::Jump jumpIfNotResolvingStyle(Assembler::RegisterID checkingContextRegister);
void loadCheckingContext(Assembler::RegisterID checkingContext);
Assembler::Jump modulo(JSC::MacroAssembler::ResultCondition, Assembler::RegisterID inputDividend, int divisor);
void moduloIsZero(Assembler::JumpList& failureCases, Assembler::RegisterID inputDividend, int divisor);
void generateNthChildRelationUpdate(const SelectorFragment&);
void generateNthLastChildParentCheckAndRelationUpdate(Assembler::JumpList& failureCases, const SelectorFragment&);
void pushMacroAssemblerRegisters();
void popMacroAssemblerRegisters(StackAllocator&);
bool generatePrologue();
void generateEpilogue(StackAllocator&);
StackAllocator::StackReferenceVector m_macroAssemblerRegistersStackReferences;
StackAllocator::StackReferenceVector m_prologueStackReferences;
Assembler m_assembler;
RegisterAllocator m_registerAllocator;
StackAllocator m_stackAllocator;
Vector<std::pair<Assembler::Call, CodePtr<JSC::OperationPtrTag>>, 32> m_functionCalls;
SelectorContext m_selectorContext;
FunctionType m_functionType;
SelectorFragmentList m_selectorFragments;
VisitedMode m_visitedMode;
StackAllocator::StackReference m_checkingContextStackReference;
bool m_descendantBacktrackingStartInUse;
Assembler::RegisterID m_descendantBacktrackingStart;
StackAllocator::StackReferenceVector m_backtrackingStack;
Deque<BacktrackingLevel, 32> m_backtrackingLevels;
StackAllocator::StackReference m_lastVisitedElement;
StackAllocator::StackReference m_startElement;
#if CSS_SELECTOR_JIT_DEBUGGING
const CSSSelector* m_originalSelector;
#endif
};
const Assembler::RegisterID SelectorCodeGenerator::returnRegister = JSC::GPRInfo::returnValueGPR;
const Assembler::RegisterID SelectorCodeGenerator::elementAddressRegister = JSC::GPRInfo::argumentGPR0;
const Assembler::RegisterID SelectorCodeGenerator::checkingContextRegister = JSC::GPRInfo::argumentGPR1;
const Assembler::RegisterID SelectorCodeGenerator::callFrameRegister = JSC::GPRInfo::callFrameRegister;
enum class FragmentsLevel {
Root = 0,
InFunctionalPseudoType = 1
};
enum class PseudoElementMatchingBehavior { CanMatch, NeverMatch };
static FunctionType constructFragments(const CSSSelector* rootSelector, SelectorContext, SelectorFragmentList& selectorFragments, FragmentsLevel, FragmentPositionInRootFragments, bool visitedMatchEnabled, VisitedMode&, PseudoElementMatchingBehavior);
static void computeBacktrackingInformation(SelectorFragmentList& selectorFragments, unsigned level = 0);
void compileSelector(CompiledSelector& compiledSelector, const CSSSelector* selector, SelectorContext selectorContext)
{
ASSERT(compiledSelector.status == SelectorCompilationStatus::NotCompiled);
if (!JSC::Options::useJIT()) {
compiledSelector.status = SelectorCompilationStatus::CannotCompile;
return;
}
SelectorCodeGenerator codeGenerator(selector, selectorContext);
compiledSelector.status = codeGenerator.compile(compiledSelector.codeRef);
#if defined(CSS_SELECTOR_JIT_PROFILING) && CSS_SELECTOR_JIT_PROFILING
compiledSelector.selector = selector;
#endif
ASSERT(compiledSelector.status != SelectorCompilationStatus::NotCompiled);
}
static inline FragmentRelation fragmentRelationForSelectorRelation(CSSSelector::Relation relation)
{
switch (relation) {
case CSSSelector::Relation::DescendantSpace:
return FragmentRelation::Descendant;
case CSSSelector::Relation::Child:
return FragmentRelation::Child;
case CSSSelector::Relation::DirectAdjacent:
return FragmentRelation::DirectAdjacent;
case CSSSelector::Relation::IndirectAdjacent:
return FragmentRelation::IndirectAdjacent;
case CSSSelector::Relation::Subselector:
case CSSSelector::Relation::ShadowDescendant:
case CSSSelector::Relation::ShadowPartDescendant:
case CSSSelector::Relation::ShadowSlotted:
ASSERT_NOT_REACHED();
}
ASSERT_NOT_REACHED();
return FragmentRelation::Descendant;
}
static inline FunctionType mostRestrictiveFunctionType(FunctionType a, FunctionType b)
{
return std::max(a, b);
}
static inline bool fragmentMatchesTheRightmostElement(const SelectorFragment& fragment)
{
return fragment.relationToRightFragment == FragmentRelation::Rightmost && fragment.positionInRootFragments == FragmentPositionInRootFragments::Rightmost;
}
static inline bool fragmentMatchesRightmostOrAdjacentElement(const SelectorFragment& fragment)
{
return fragment.isRightmostOrAdjacent && fragment.positionInRootFragments != FragmentPositionInRootFragments::Other;
}
static inline FunctionType addPseudoElementPseudoClassType(const CSSSelector&, SelectorFragment&)
{
// FIXME: scrollbar pseudoclass interaction with :not doesn't behave correctly.
// Compile them when they are fixed and tested.
// https://bugs.webkit.org/show_bug.cgi?id=146221
return FunctionType::CannotCompile;
}
// Handle the forward :nth-child() and backward :nth-last-child().
static FunctionType addNthChildType(const CSSSelector& selector, SelectorContext selectorContext, FragmentPositionInRootFragments positionInRootFragments, CSSSelector::PseudoClass firstMatchAlternative, bool visitedMatchEnabled, Vector<std::pair<int, int>, 2>& simpleCases, Vector<NthChildOfSelectorInfo>& filteredCases, PseudoClassesSet& pseudoClasses)
{
int a = selector.nthA();
int b = selector.nthB();
// The element count is always positive.
if (a <= 0 && b < 1)
return FunctionType::CannotMatchAnything;
if (const CSSSelectorList* selectorList = selector.selectorList()) {
NthChildOfSelectorInfo nthChildOfSelectorInfo;
nthChildOfSelectorInfo.a = a;
nthChildOfSelectorInfo.b = b;
FunctionType globalFunctionType = FunctionType::SimpleSelectorChecker;
if (selectorContext != SelectorContext::QuerySelector)
globalFunctionType = FunctionType::SelectorCheckerWithCheckingContext;
SelectorFragmentList* selectorFragments = nullptr;
for (const auto& subselector : *selectorList) {
if (!selectorFragments) {
nthChildOfSelectorInfo.selectorList.append(SelectorFragmentList());
selectorFragments = &nthChildOfSelectorInfo.selectorList.last();
}
VisitedMode ignoreVisitedMode = VisitedMode::None;
FunctionType functionType = constructFragments(&subselector, selectorContext, *selectorFragments, FragmentsLevel::InFunctionalPseudoType, positionInRootFragments, visitedMatchEnabled, ignoreVisitedMode, PseudoElementMatchingBehavior::NeverMatch);
ASSERT_WITH_MESSAGE(ignoreVisitedMode == VisitedMode::None, ":visited is disabled in the functional pseudo classes");
switch (functionType) {
case FunctionType::SimpleSelectorChecker:
case FunctionType::SelectorCheckerWithCheckingContext:
break;
case FunctionType::CannotMatchAnything:
continue;
case FunctionType::CannotCompile:
return FunctionType::CannotCompile;
}
globalFunctionType = mostRestrictiveFunctionType(globalFunctionType, functionType);
selectorFragments = nullptr;
}
// If there is still a SelectorFragmentList open, the last Fragment(s) cannot match anything,
// we have one FragmentList too many in our selector list.
if (selectorFragments)
nthChildOfSelectorInfo.selectorList.removeLast();
if (nthChildOfSelectorInfo.selectorList.isEmpty())
return FunctionType::CannotMatchAnything;
filteredCases.append(nthChildOfSelectorInfo);
return globalFunctionType;
}
if (b == 1 && a <= 0)
pseudoClasses.add(firstMatchAlternative);
else
simpleCases.append(std::pair<int, int>(a, b));
if (selectorContext == SelectorContext::QuerySelector)
return FunctionType::SimpleSelectorChecker;
return FunctionType::SelectorCheckerWithCheckingContext;
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsAutofilled, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsAutofilled);
return isAutofilled(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsAutofilledAndObscured, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsAutofilledAndObscured);
return isAutofilledAndObscured(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsAutofilledStrongPassword, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsAutofilledStrongPassword);
return isAutofilledStrongPassword(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsAutofilledStrongPasswordViewable, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsAutofilledStrongPasswordViewable);
return isAutofilledStrongPasswordViewable(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsChecked, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsChecked);
return isChecked(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesDefaultPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesDefaultPseudoClass);
return matchesDefaultPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesDisabledPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesDisabledPseudoClass);
return matchesDisabledPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesEnabledPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesEnabledPseudoClass);
return matchesEnabledPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsDefinedElement, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsDefinedElement);
return isDefinedElement(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFocusPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFocusPseudoClass);
return matchesFocusPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFocusVisiblePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFocusVisiblePseudoClass);
return matchesFocusVisiblePseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFocusWithinPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFocusWithinPseudoClass);
return matchesFocusWithinPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsMediaDocument, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsMediaDocument);
return isMediaDocument(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsInRange, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsInRange);
return isInRange(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesIndeterminatePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesIndeterminatePseudoClass);
return matchesIndeterminatePseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsInvalid, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsInvalid);
return isInvalid(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsOptionalFormControl, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsOptionalFormControl);
return isOptionalFormControl(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsOutOfRange, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsOutOfRange);
return isOutOfRange(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesReadOnlyPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesReadOnlyPseudoClass);
return matchesReadOnlyPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesReadWritePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesReadWritePseudoClass);
return matchesReadWritePseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsRequiredFormControl, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsRequiredFormControl);
return isRequiredFormControl(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsValid, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsValid);
return isValid(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationIsWindowInactive, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationIsWindowInactive);
return isWindowInactive(element);
}
#if ENABLE(FULLSCREEN_API)
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFullscreenPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFullscreenPseudoClass);
return matchesFullscreenPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFullscreenDocumentPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFullscreenDocumentPseudoClass);
return matchesFullscreenDocumentPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesAnimatingFullscreenTransitionPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesAnimatingFullscreenTransitionPseudoClass);
return matchesAnimatingFullscreenTransitionPseudoClass(element);
}
#if ENABLE(VIDEO)
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesInWindowFullscreenPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesInWindowFullscreenPseudoClass);
return matchesInWindowFullscreenPseudoClass(element);
}
#endif
#endif
#if ENABLE(PICTURE_IN_PICTURE_API)
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesPictureInPicturePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesPictureInPicturePseudoClass);
return matchesPictureInPicturePseudoClass(element);
}
#endif
#if ENABLE(VIDEO)
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesFutureCuePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesFutureCuePseudoClass);
return matchesFutureCuePseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesPastCuePseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesPastCuePseudoClass);
return matchesPastCuePseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesPlayingPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesPlayingPseudoClass);
return matchesPlayingPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesPausedPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesPausedPseudoClass);
return matchesPausedPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesSeekingPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesSeekingPseudoClass);
return matchesSeekingPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesBufferingPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesBufferingPseudoClass);
return matchesBufferingPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesStalledPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesStalledPseudoClass);
return matchesStalledPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesMutedPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesMutedPseudoClass);
return matchesMutedPseudoClass(element);
}
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesVolumeLockedPseudoClass, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationMatchesVolumeLockedPseudoClass);
return matchesVolumeLockedPseudoClass(element);
}
#endif
#if ENABLE(ATTACHMENT_ELEMENT)
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationHasAttachment, bool, (const Element& element))
{
COUNT_SELECTOR_OPERATION(operationHasAttachment);
return hasAttachment(element);
}
#endif
JSC_DEFINE_NOEXCEPT_JIT_OPERATION(operationMatchesDir, bool, (const Element& element, uint32_t direction))
{
COUNT_SELECTOR_OPERATION(operationMatchesDir);
return element.effectiveTextDirection() == static_cast<TextDirection>(direction);