#include <qv4compilercontext_p.h>

Collaboration diagram for QV4::Compiler::Context:

Classes
struct	KeyValuePair

struct	Member

class	PropertyDependencyMap

struct	ResolvedName

class	SmallSet

struct	SourceLocationTable

Public Types
enum	MemberType { UndefinedMember , ThisFunctionName , VariableDefinition , VariableDeclaration , FunctionDefinition }

enum	UsesArgumentsObject { ArgumentsObjectUnknown , ArgumentsObjectNotUsed , ArgumentsObjectUsed }

typedef QMap< QString, Member >	MemberMap

Public Member Functions
	Context (Context *parent, ContextType type)

bool	hasArgument (const QString &name) const

int	findArgument (const QString &name, bool *isInjected) const

Member	findMember (const QString &name) const

bool	memberInfo (const QString &name, const Member **m) const

bool	requiresImplicitReturnValue () const

void	addUsedVariable (const QString &name)

bool	addLocalVar (const QString &name, MemberType contextType, QQmlJS::AST::VariableScope scope, QQmlJS::AST::FunctionExpression *function=nullptr, const QQmlJS::SourceLocation &declarationLocation=QQmlJS::SourceLocation(), bool isInjected=false)

ResolvedName	resolveName (const QString &name, const QQmlJS::SourceLocation &accessLocation)

void	emitBlockHeader (Compiler::Codegen *codegen)

void	emitBlockFooter (Compiler::Codegen *codegen)

void	setupFunctionIndices (Moth::BytecodeGenerator *bytecodeGenerator)

bool	canHaveTailCalls () const

bool	isCaseBlock () const

Public Attributes
Context *	parent

QString	name

int	line = 0

int	column = 0

int	registerCountInFunction = 0

int	functionIndex = -1

int	blockIndex = -1

MemberMap	members

QSet< QString >	usedVariables

QQmlJS::AST::FormalParameterList *	formals = nullptr

QQmlJS::AST::BoundNames	arguments

QQmlJS::AST::Type *	returnType = nullptr

QStringList	locals

QStringList	moduleRequests

QVector< ImportEntry >	importEntries

QVector< ExportEntry >	exportEntries

QString	localNameForDefaultExport

QVector< Context * >	nestedContexts

ControlFlow *	controlFlow = nullptr

QByteArray	code

QVector< CompiledData::CodeOffsetToLineAndStatement >	lineAndStatementNumberMapping

std::unique_ptr< SourceLocationTable >	sourceLocationTable

std::vector< unsigned >	labelInfo

int	nRegisters = 0

int	registerOffset = -1

int	sizeOfLocalTemporalDeadZone = 0

int	firstTemporalDeadZoneRegister = 0

int	sizeOfRegisterTemporalDeadZone = 0

bool	hasDirectEval = false

bool	allVarsEscape = false

bool	hasNestedFunctions = false

bool	isStrict = false

bool	isArrowFunction = false

bool	isGenerator = false

bool	usesThis = false

bool	innerFunctionAccessesThis = false

bool	innerFunctionAccessesNewTarget = false

bool	returnsClosure = false

bool	argumentsCanEscape = false

bool	requiresExecutionContext = false

bool	isWithBlock = false

bool	isCatchBlock = false

QString	caughtVariable

QQmlJS::SourceLocation	lastBlockInitializerLocation

UsesArgumentsObject	usesArgumentsObject = ArgumentsObjectUnknown

ContextType	contextType

Detailed Description

Definition at line 132 of file qv4compilercontext_p.h.

Member Typedef Documentation

◆ MemberMap

typedef QMap<QString, Member> QV4::Compiler::Context::MemberMap

Definition at line 171 of file qv4compilercontext_p.h.

Member Enumeration Documentation

◆ MemberType

enum QV4::Compiler::Context::MemberType

Enumerator
UndefinedMember
ThisFunctionName
VariableDefinition
VariableDeclaration
FunctionDefinition

Definition at line 141 of file qv4compilercontext_p.h.

◆ UsesArgumentsObject

enum QV4::Compiler::Context::UsesArgumentsObject

Enumerator
ArgumentsObjectUnknown
ArgumentsObjectNotUsed
ArgumentsObjectUsed

Definition at line 213 of file qv4compilercontext_p.h.

Constructor & Destructor Documentation

◆ Context()

QV4::Compiler::Context::Context	(	Context *	parent,
		ContextType	type
	)

inline

Definition at line 265 of file qv4compilercontext_p.h.

References isStrict, and parent.

Member Function Documentation

◆ addLocalVar()

bool Context::addLocalVar	(	const QString &	name,
		Context::MemberType	type,
		QQmlJS::AST::VariableScope	scope,
		QQmlJS::AST::FunctionExpression *	function = `nullptr`,
		const QQmlJS::SourceLocation &	declarationLocation = `QQmlJS::SourceLocation()`,
		bool	isInjected = `false`
	)

Definition at line 54 of file qv4compilercontext.cpp.

References addLocalVar(), QV4::Compiler::Block, caughtVariable, QQmlJS::AST::FormalParameterList::containsName(), contextType, QMap< Key, T >::end(), QMap< Key, T >::find(), formals, function, FunctionDefinition, QMap< Key, T >::insert(), isCatchBlock, it, members, and parent.

Referenced by addLocalVar(), QV4::Compiler::ScanFunctions::visit(), QV4::Compiler::ScanFunctions::visit(), QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::ScanFunctions::visit().

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◆ addUsedVariable()

void QV4::Compiler::Context::addUsedVariable ( const QString & name )

inline

Definition at line 318 of file qv4compilercontext_p.h.

References QSet< T >::insert(), and usedVariables.

Referenced by QV4::Compiler::ScanFunctions::visit().

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◆ canHaveTailCalls()

bool QV4::Compiler::Context::canHaveTailCalls ( ) const

inline

Definition at line 353 of file qv4compilercontext_p.h.

References QV4::Compiler::Block, canHaveTailCalls(), contextType, QV4::Compiler::Function, isGenerator, isStrict, and parent.

Referenced by canHaveTailCalls(), and QV4::Compiler::Codegen::defineFunction().

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◆ emitBlockFooter()

void Context::emitBlockFooter ( Compiler::Codegen * codegen )

Definition at line 286 of file qv4compilercontext.cpp.

References QV4::Moth::BytecodeGenerator::addInstruction(), contextType, QV4::Compiler::ESModule, QV4::Compiler::Codegen::generator(), QV4::Compiler::Global, QT_WARNING_DISABLE_GCC, QT_WARNING_POP, QT_WARNING_PUSH, requiresExecutionContext, and QV4::Compiler::ScriptImportedByQML.

Referenced by QV4::Compiler::ControlFlowBlock::~ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::~ControlFlowCatch(), and QV4::Compiler::Codegen::defineFunction().

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◆ emitBlockHeader()

void Context::emitBlockHeader ( Compiler::Codegen * codegen )

Definition at line 174 of file qv4compilercontext.cpp.

References QV4::Moth::BytecodeGenerator::addInstruction(), ArgumentsObjectUsed, QMap< Key, T >::begin(), QV4::Compiler::Binding, QV4::Compiler::Block, blockIndex, QV4::Compiler::Module::blocks, caughtVariable, QMap< Key, T >::constBegin(), QMap< Key, T >::constEnd(), contextType, convert(), QV4::Compiler::Codegen::defineFunction(), QMap< Key, T >::end(), QV4::Compiler::ESModule, QV4::Compiler::Eval, formals, function, QV4::CallData::Function, QV4::Compiler::Function, QV4::Compiler::Codegen::generator(), QV4::Compiler::Global, innerFunctionAccessesNewTarget, innerFunctionAccessesThis, isCatchBlock, QQmlJS::AST::FormalParameterList::isSimpleParameterList(), isStrict, it, load(), QV4::Compiler::Codegen::loadClosure(), members, QV4::Compiler::Codegen::module(), QV4::CallData::NewTarget, nRegisters, Q_ASSERT, QStringLiteral, QV4::Compiler::Codegen::referenceForName(), registerOffset, QV4::Compiler::Codegen::registerString(), requiresExecutionContext, QV4::Compiler::ScriptImportedByQML, setupFunctionIndices(), sizeOfRegisterTemporalDeadZone, QV4::Compiler::Codegen::Reference::storeConsumeAccumulator(), QV4::CallData::This, ThisFunctionName, usesArgumentsObject, and usesThis.

Referenced by QV4::Compiler::ControlFlowBlock::ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::~ControlFlowCatch(), and QV4::Compiler::Codegen::defineFunction().

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◆ findArgument()

int QV4::Compiler::Context::findArgument	(	const QString &	name,
		bool *	isInjected
	)		const

inline

Definition at line 278 of file qv4compilercontext_p.h.

References arg, arguments, QList< T >::at(), i, and QList< T >::size().

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◆ findMember()

Member QV4::Compiler::Context::findMember ( const QString & name ) const

inline

Definition at line 291 of file qv4compilercontext_p.h.

References QMap< Key, T >::end(), QMap< Key, T >::find(), it, members, parent, and Q_ASSERT.

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◆ hasArgument()

bool QV4::Compiler::Context::hasArgument ( const QString & name ) const

inline

Definition at line 273 of file qv4compilercontext_p.h.

References arguments, and QQmlJS::AST::BoundNames::contains().

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◆ isCaseBlock()

bool QV4::Compiler::Context::isCaseBlock ( ) const

inline

Definition at line 364 of file qv4compilercontext_p.h.

References QV4::Compiler::Block, and contextType.

◆ memberInfo()

bool QV4::Compiler::Context::memberInfo	(	const QString &	name,
		const Member **	m
	)		const

inline

Definition at line 300 of file qv4compilercontext_p.h.

References QMap< Key, T >::end(), QMap< Key, T >::find(), it, members, and Q_ASSERT.

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◆ requiresImplicitReturnValue()

bool QV4::Compiler::Context::requiresImplicitReturnValue ( ) const

inline

Definition at line 312 of file qv4compilercontext_p.h.

References QV4::Compiler::Binding, contextType, QV4::Compiler::Eval, QV4::Compiler::Global, and QV4::Compiler::ScriptImportedByQML.

Referenced by QV4::Compiler::Codegen::defineFunction().

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◆ resolveName()

Context::ResolvedName Context::resolveName	(	const QString &	name,
		const QQmlJS::SourceLocation &	accessLocation
	)

Definition at line 94 of file qv4compilercontext.cpp.

References QV4::Compiler::Binding, QV4::Compiler::Block, QV4::Compiler::ESModule, QV4::Compiler::Eval, QV4::Compiler::Context::ResolvedName::Global, i, QV4::Compiler::Context::ResolvedName::Import, QV4::Compiler::Context::ResolvedName::Local, Q_ASSERT, QV4::Compiler::Context::ResolvedName::QmlGlobal, QV4::Compiler::ScriptImportedByQML, QV4::Compiler::Context::ResolvedName::Stack, QV4::Compiler::Context::Member::type, and UndefinedMember.

Referenced by QV4::Compiler::Codegen::referenceForName().

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◆ setupFunctionIndices()

void Context::setupFunctionIndices ( Moth::BytecodeGenerator * bytecodeGenerator )

Definition at line 303 of file qv4compilercontext.cpp.

References QMap< Key, T >::begin(), QV4::Compiler::Binding, QV4::Compiler::Block, QMap< Key, T >::contains(), contextType, QV4::Moth::BytecodeGenerator::currentRegister(), QMap< Key, T >::end(), QV4::Compiler::ESModule, QV4::Compiler::Eval, firstTemporalDeadZoneRegister, QV4::CallData::Function, QV4::Compiler::Function, QV4::Compiler::Global, QString::isEmpty(), isStrict, it, localNameForDefaultExport, locals, members, QV4::Moth::BytecodeGenerator::newRegister(), QV4::Moth::BytecodeGenerator::newRegisterArray(), nRegisters, Q_ASSERT, registerOffset, QV4::Compiler::ScriptImportedByQML, QList< T >::size(), sizeOfLocalTemporalDeadZone, sizeOfRegisterTemporalDeadZone, and ThisFunctionName.

Referenced by emitBlockHeader().

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Member Data Documentation

◆ allVarsEscape

bool QV4::Compiler::Context::allVarsEscape = false

Definition at line 197 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::calcEscapingVariables().

◆ arguments

QQmlJS::AST::BoundNames QV4::Compiler::Context::arguments

Definition at line 176 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), findArgument(), hasArgument(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ argumentsCanEscape

bool QV4::Compiler::Context::argumentsCanEscape = false

mutable

Definition at line 206 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction().

◆ blockIndex

int QV4::Compiler::Context::blockIndex = -1

Definition at line 139 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), emitBlockHeader(), and QV4::Compiler::JSUnitGenerator::writeBlock().

◆ caughtVariable

QString QV4::Compiler::Context::caughtVariable

Definition at line 210 of file qv4compilercontext_p.h.

Referenced by addLocalVar(), emitBlockHeader(), and QV4::Compiler::ScanFunctions::visit().

◆ code

QByteArray QV4::Compiler::Context::code

Definition at line 186 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ column

int QV4::Compiler::Context::column = 0

Definition at line 136 of file qv4compilercontext_p.h.

Referenced by QQmlJSCodeGenerator::run(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ contextType

ContextType QV4::Compiler::Context::contextType

Definition at line 221 of file qv4compilercontext_p.h.

Referenced by addLocalVar(), QV4::Compiler::ScanFunctions::calcEscapingVariables(), canHaveTailCalls(), QV4::Compiler::Codegen::defineFunction(), emitBlockFooter(), emitBlockHeader(), isCaseBlock(), requiresImplicitReturnValue(), setupFunctionIndices(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

◆ controlFlow

ControlFlow* QV4::Compiler::Context::controlFlow = nullptr

Definition at line 185 of file qv4compilercontext_p.h.

◆ exportEntries

QVector<ExportEntry> QV4::Compiler::Context::exportEntries

Definition at line 181 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::generateFromModule(), and QV4::Compiler::ScanFunctions::visit().

◆ firstTemporalDeadZoneRegister

int QV4::Compiler::Context::firstTemporalDeadZoneRegister = 0

Definition at line 194 of file qv4compilercontext_p.h.

Referenced by setupFunctionIndices(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ formals

QQmlJS::AST::FormalParameterList* QV4::Compiler::Context::formals = nullptr

Definition at line 175 of file qv4compilercontext_p.h.

Referenced by addLocalVar(), emitBlockHeader(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ functionIndex

int QV4::Compiler::Context::functionIndex = -1

Definition at line 138 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::Codegen::leaveContext().

◆ hasDirectEval

bool QV4::Compiler::Context::hasDirectEval = false

Definition at line 196 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::visit().

◆ hasNestedFunctions

bool QV4::Compiler::Context::hasNestedFunctions = false

Definition at line 198 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::ScanFunctions::visit().

◆ importEntries

QVector<ImportEntry> QV4::Compiler::Context::importEntries

Definition at line 180 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::generateFromModule(), and QV4::Compiler::ScanFunctions::visit().

◆ innerFunctionAccessesNewTarget

bool QV4::Compiler::Context::innerFunctionAccessesNewTarget = false

Definition at line 204 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ innerFunctionAccessesThis

bool QV4::Compiler::Context::innerFunctionAccessesThis = false

Definition at line 203 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ isArrowFunction

bool QV4::Compiler::Context::isArrowFunction = false

Definition at line 200 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::calcEscapingVariables(), QV4::Compiler::ScanFunctions::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ isCatchBlock

bool QV4::Compiler::Context::isCatchBlock = false

Definition at line 209 of file qv4compilercontext_p.h.

Referenced by addLocalVar(), emitBlockHeader(), and QV4::Compiler::ScanFunctions::visit().

◆ isGenerator

bool QV4::Compiler::Context::isGenerator = false

Definition at line 201 of file qv4compilercontext_p.h.

Referenced by canHaveTailCalls(), QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ isStrict

bool QV4::Compiler::Context::isStrict = false

Definition at line 199 of file qv4compilercontext_p.h.

◆ isWithBlock

bool QV4::Compiler::Context::isWithBlock = false

Definition at line 208 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::calcEscapingVariables(), and QV4::Compiler::ScanFunctions::visit().

◆ labelInfo

std::vector<unsigned> QV4::Compiler::Context::labelInfo

Definition at line 189 of file qv4compilercontext_p.h.

Referenced by QQmlJSCodeGenerator::run(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ lastBlockInitializerLocation

QQmlJS::SourceLocation QV4::Compiler::Context::lastBlockInitializerLocation

Definition at line 211 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::ScanFunctions::visit().

◆ line

int QV4::Compiler::Context::line = 0

Definition at line 135 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), QQmlJSCodeGenerator::run(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ lineAndStatementNumberMapping

QVector<CompiledData::CodeOffsetToLineAndStatement> QV4::Compiler::Context::lineAndStatementNumberMapping

Definition at line 187 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ localNameForDefaultExport

QString QV4::Compiler::Context::localNameForDefaultExport

Definition at line 182 of file qv4compilercontext_p.h.

Referenced by setupFunctionIndices(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::ScanFunctions::visit().

◆ locals

QStringList QV4::Compiler::Context::locals

Definition at line 178 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), setupFunctionIndices(), QV4::Compiler::Codegen::visit(), QV4::Compiler::JSUnitGenerator::writeBlock(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ members

MemberMap QV4::Compiler::Context::members

Definition at line 173 of file qv4compilercontext_p.h.

Referenced by addLocalVar(), emitBlockHeader(), findMember(), memberInfo(), and setupFunctionIndices().

◆ moduleRequests

QStringList QV4::Compiler::Context::moduleRequests

Definition at line 179 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::generateFromModule(), QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::ScanFunctions::visit().

◆ name

QString QV4::Compiler::Context::name

Definition at line 134 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), QQmlJSCodeGenerator::run(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ nestedContexts

QVector<Context *> QV4::Compiler::Context::nestedContexts

Definition at line 183 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::JSUnitGenerator::writeFunction().

◆ nRegisters

int QV4::Compiler::Context::nRegisters = 0

Definition at line 191 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), and setupFunctionIndices().

◆ parent

Context* QV4::Compiler::Context::parent

Definition at line 133 of file qv4compilercontext_p.h.

Referenced by Context(), addLocalVar(), QV4::Compiler::ScanFunctions::calcEscapingVariables(), canHaveTailCalls(), QV4::Compiler::Codegen::defineFunction(), findMember(), QV4::Compiler::Codegen::leaveContext(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

◆ registerCountInFunction

int QV4::Compiler::Context::registerCountInFunction = 0

Definition at line 137 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ registerOffset

int QV4::Compiler::Context::registerOffset = -1

Definition at line 192 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), and setupFunctionIndices().

◆ requiresExecutionContext

bool QV4::Compiler::Context::requiresExecutionContext = false

Definition at line 207 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::ControlFlowBlock::ControlFlowBlock(), QV4::Compiler::ControlFlowBlock::~ControlFlowBlock(), QV4::Compiler::Codegen::defineFunction(), emitBlockFooter(), emitBlockHeader(), endsWithReturn(), QV4::Compiler::ControlFlowBlock::requiresUnwind(), and QV4::Compiler::Codegen::visit().

◆ returnsClosure

bool QV4::Compiler::Context::returnsClosure = false

Definition at line 205 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::Codegen::defineFunction(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ returnType

QQmlJS::AST::Type* QV4::Compiler::Context::returnType = nullptr

Definition at line 177 of file qv4compilercontext_p.h.

Referenced by QV4::Compiler::JSUnitGenerator::writeFunction().

◆ sizeOfLocalTemporalDeadZone

int QV4::Compiler::Context::sizeOfLocalTemporalDeadZone = 0

Definition at line 193 of file qv4compilercontext_p.h.

Referenced by setupFunctionIndices(), QV4::Compiler::JSUnitGenerator::writeBlock(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ sizeOfRegisterTemporalDeadZone

int QV4::Compiler::Context::sizeOfRegisterTemporalDeadZone = 0

Definition at line 195 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), setupFunctionIndices(), and QV4::Compiler::JSUnitGenerator::writeFunction().

◆ sourceLocationTable

std::unique_ptr<SourceLocationTable> QV4::Compiler::Context::sourceLocationTable

Definition at line 188 of file qv4compilercontext_p.h.

◆ usedVariables

QSet<QString> QV4::Compiler::Context::usedVariables

Definition at line 174 of file qv4compilercontext_p.h.

Referenced by addUsedVariable().

◆ usesArgumentsObject

UsesArgumentsObject QV4::Compiler::Context::usesArgumentsObject = ArgumentsObjectUnknown

Definition at line 219 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), QV4::Compiler::ScanFunctions::visit(), QV4::Compiler::ScanFunctions::visit(), and QV4::Compiler::ScanFunctions::visit().

◆ usesThis

bool QV4::Compiler::Context::usesThis = false

Definition at line 202 of file qv4compilercontext_p.h.

Referenced by emitBlockHeader(), and QV4::Compiler::ScanFunctions::visit().

The documentation for this struct was generated from the following files:

qtdeclarative/src/qml/compiler/qv4compilercontext_p.h
qtdeclarative/src/qml/compiler/qv4compilercontext.cpp

Classes

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Typedef Documentation

◆ MemberMap

Member Enumeration Documentation

◆ MemberType

◆ UsesArgumentsObject

Constructor & Destructor Documentation

◆ Context()

Member Function Documentation

◆ addLocalVar()

◆ addUsedVariable()

◆ canHaveTailCalls()

◆ emitBlockFooter()

◆ emitBlockHeader()

◆ findArgument()

◆ findMember()

◆ hasArgument()

◆ isCaseBlock()

◆ memberInfo()

◆ requiresImplicitReturnValue()

◆ resolveName()

◆ setupFunctionIndices()

Member Data Documentation

◆ allVarsEscape

◆ arguments

◆ argumentsCanEscape

◆ blockIndex

◆ caughtVariable

◆ code

◆ column

◆ contextType

◆ controlFlow

◆ exportEntries

◆ firstTemporalDeadZoneRegister

◆ formals

◆ functionIndex

◆ hasDirectEval

◆ hasNestedFunctions

◆ importEntries

◆ innerFunctionAccessesNewTarget

◆ innerFunctionAccessesThis

◆ isArrowFunction

◆ isCatchBlock

◆ isGenerator

◆ isStrict

◆ isWithBlock

◆ labelInfo

◆ lastBlockInitializerLocation

◆ line

◆ lineAndStatementNumberMapping

◆ localNameForDefaultExport

◆ locals

◆ members

◆ moduleRequests

◆ name

◆ nestedContexts

◆ nRegisters

◆ parent

◆ registerCountInFunction

◆ registerOffset

◆ requiresExecutionContext

◆ returnsClosure

◆ returnType

◆ sizeOfLocalTemporalDeadZone

◆ sizeOfRegisterTemporalDeadZone

◆ sourceLocationTable

◆ usedVariables

◆ usesArgumentsObject

◆ usesThis