QV4::Compiler::ControlFlow Struct Reference

#include <qv4compilercontrolflow_p.h>

Inheritance diagram for QV4::Compiler::ControlFlow:

Collaboration diagram for QV4::Compiler::ControlFlow:

Classes
struct	UnwindTarget

Public Types
enum	Type {   Loop , With , Block , Finally ,   Catch }
enum	UnwindType { Break , Continue , Return }
using	Reference = Codegen::Reference
using	BytecodeGenerator = Moth::BytecodeGenerator
using	Instruction = Moth::Instruction

Public Member Functions
	ControlFlow (Codegen *cg, Type type)
virtual	~ControlFlow ()
UnwindTarget	unwindTarget (UnwindType type, const QString &label=QString())
virtual QString	label () const
bool	hasLoop () const
BytecodeGenerator::ExceptionHandler *	parentUnwindHandler ()
virtual BytecodeGenerator::ExceptionHandler *	unwindHandler ()

Public Attributes
Codegen *	cg
ControlFlow *	parent
Type	type

Protected Member Functions
virtual BytecodeGenerator::Label	getUnwindTarget (UnwindType, const QString &=QString())
virtual bool	requiresUnwind ()
QString	loopLabel () const
BytecodeGenerator *	generator () const

Detailed Description

Definition at line 27 of file qv4compilercontrolflow_p.h.

Member Typedef Documentation

BytecodeGenerator

using QV4::Compiler::ControlFlow::BytecodeGenerator = Moth::BytecodeGenerator

Definition at line 29 of file qv4compilercontrolflow_p.h.

Instruction

using QV4::Compiler::ControlFlow::Instruction = Moth::Instruction

Definition at line 30 of file qv4compilercontrolflow_p.h.

Reference

using QV4::Compiler::ControlFlow::Reference = Codegen::Reference

Definition at line 28 of file qv4compilercontrolflow_p.h.

Member Enumeration Documentation

Type

enum QV4::Compiler::ControlFlow::Type

Enumerator
Loop
With
Block
Finally
Catch

Definition at line 32 of file qv4compilercontrolflow_p.h.

UnwindType

enum QV4::Compiler::ControlFlow::UnwindType

Enumerator
Break
Continue
Return

Definition at line 40 of file qv4compilercontrolflow_p.h.

Constructor & Destructor Documentation

ControlFlow()

QV4::Compiler::ControlFlow::ControlFlow ( Codegen *  cg, Type  type  )

inline

Definition at line 55 of file qv4compilercontrolflow_p.h.

References cg, and QV4::Compiler::Codegen::controlFlow.

~ControlFlow()

virtual QV4::Compiler::ControlFlow::~ControlFlow ( )

inlinevirtual

Definition at line 61 of file qv4compilercontrolflow_p.h.

References cg, QV4::Compiler::Codegen::controlFlow, and parent.

Member Function Documentation

generator()

BytecodeGenerator * QV4::Compiler::ControlFlow::generator ( ) const

inlineprotected

Definition at line 122 of file qv4compilercontrolflow_p.h.

References QV4::Compiler::Codegen::bytecodeGenerator, and cg.

Referenced by QV4::Compiler::ControlFlowBlock::ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::ControlFlowCatch(), QV4::Compiler::ControlFlowFinally::ControlFlowFinally(), QV4::Compiler::ControlFlowUnwindCleanup::ControlFlowUnwindCleanup(), QV4::Compiler::ControlFlowWith::ControlFlowWith(), QV4::Compiler::ControlFlowBlock::~ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::~ControlFlowCatch(), QV4::Compiler::ControlFlowFinally::~ControlFlowFinally(), QV4::Compiler::ControlFlowUnwindCleanup::~ControlFlowUnwindCleanup(), QV4::Compiler::ControlFlowWith::~ControlFlowWith(), QV4::Compiler::ControlFlowUnwind::emitUnwindHandler(), and QV4::Compiler::ControlFlowUnwind::setupUnwindHandler().

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getUnwindTarget()

virtual BytecodeGenerator::Label QV4::Compiler::ControlFlow::getUnwindTarget ( UnwindType  , const QString &  = QString()  )

inlineprotectedvirtual

Reimplemented in QV4::Compiler::ControlFlowLoop.

Definition at line 96 of file qv4compilercontrolflow_p.h.

Referenced by unwindTarget().

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hasLoop()

bool QV4::Compiler::ControlFlow::hasLoop ( ) const

inline

Definition at line 85 of file qv4compilercontrolflow_p.h.

References Loop, parent, and type.

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

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label()

virtual QString QV4::Compiler::ControlFlow::label ( ) const

inlinevirtual

Reimplemented in QV4::Compiler::ControlFlowLoop.

Definition at line 83 of file qv4compilercontrolflow_p.h.

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

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loopLabel()

QString QV4::Compiler::ControlFlow::loopLabel ( ) const

inlineprotected

Definition at line 114 of file qv4compilercontrolflow_p.h.

References QV4::Compiler::Codegen::_labelledStatement, cg, label(), QQmlJS::AST::LabelledStatement::label, and QStringView::toString().

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parentUnwindHandler()

BytecodeGenerator::ExceptionHandler * QV4::Compiler::ControlFlow::parentUnwindHandler ( )

inline

Definition at line 104 of file qv4compilercontrolflow_p.h.

References parent, and unwindHandler().

Referenced by QV4::Compiler::ControlFlowBlock::~ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::~ControlFlowCatch(), QV4::Compiler::ControlFlowFinally::~ControlFlowFinally(), QV4::Compiler::ControlFlowUnwindCleanup::~ControlFlowUnwindCleanup(), QV4::Compiler::ControlFlowWith::~ControlFlowWith(), unwindHandler(), QV4::Compiler::ControlFlowUnwind::unwindHandler(), and QV4::Compiler::ControlFlowFinally::unwindHandler().

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requiresUnwind()

virtual bool QV4::Compiler::ControlFlow::requiresUnwind ( )

inlineprotectedvirtual

Reimplemented in QV4::Compiler::ControlFlowUnwindCleanup, QV4::Compiler::ControlFlowWith, QV4::Compiler::ControlFlowBlock, QV4::Compiler::ControlFlowCatch, and QV4::Compiler::ControlFlowFinally.

Definition at line 99 of file qv4compilercontrolflow_p.h.

Referenced by QV4::Compiler::ControlFlowUnwind::emitUnwindHandler(), and unwindTarget().

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unwindHandler()

virtual BytecodeGenerator::ExceptionHandler * QV4::Compiler::ControlFlow::unwindHandler ( )

inlinevirtual

Reimplemented in QV4::Compiler::ControlFlowUnwind, QV4::Compiler::ControlFlowCatch, and QV4::Compiler::ControlFlowFinally.

Definition at line 108 of file qv4compilercontrolflow_p.h.

References parentUnwindHandler().

Referenced by parentUnwindHandler().

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unwindTarget()

UnwindTarget QV4::Compiler::ControlFlow::unwindTarget ( UnwindType  type, const QString &  label = QString()  )

inline

Definition at line 65 of file qv4compilercontrolflow_p.h.

References Break, cg, Continue, getUnwindTarget(), QV4::Moth::BytecodeGenerator::Label::isValid(), parent, Q_ASSERT, requiresUnwind(), Return, and QV4::Compiler::Codegen::returnLabel().

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

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Member Data Documentation

cg

Codegen* QV4::Compiler::ControlFlow::cg

Definition at line 51 of file qv4compilercontrolflow_p.h.

Referenced by ControlFlow(), QV4::Compiler::ControlFlowBlock::ControlFlowBlock(), ~ControlFlow(), QV4::Compiler::ControlFlowBlock::~ControlFlowBlock(), QV4::Compiler::ControlFlowCatch::~ControlFlowCatch(), QV4::Compiler::ControlFlowFinally::~ControlFlowFinally(), generator(), loopLabel(), and unwindTarget().

parent

ControlFlow* QV4::Compiler::ControlFlow::parent

Definition at line 52 of file qv4compilercontrolflow_p.h.

Referenced by ~ControlFlow(), hasLoop(), parentUnwindHandler(), unwindTarget(), and QV4::Compiler::Codegen::visit().

type

Type QV4::Compiler::ControlFlow::type

Definition at line 53 of file qv4compilercontrolflow_p.h.

Referenced by hasLoop().

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

• qtdeclarative/src/qml/compiler/qv4compilercontrolflow_p.h