QV4::Compiler::ControlFlowUnwind Struct Reference

#include <qv4compilercontrolflow_p.h>

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Public Member Functions
	ControlFlowUnwind (Codegen *cg, Type type)
void	setupUnwindHandler ()
void	emitUnwindHandler ()
virtual BytecodeGenerator::ExceptionHandler *	unwindHandler () override
Public Member Functions inherited from QV4::Compiler::ControlFlow
	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
BytecodeGenerator::ExceptionHandler	unwindLabel
Public Attributes inherited from QV4::Compiler::ControlFlow
Codegen *	cg
ControlFlow *	parent
Type	type

Additional Inherited Members
Public Types inherited from QV4::Compiler::ControlFlow
enum	Type {   Loop , With , Block , Finally ,   Catch }
enum	UnwindType { Break , Continue , Return }
using	Reference = Codegen::Reference
using	BytecodeGenerator = Moth::BytecodeGenerator
using	Instruction = Moth::Instruction
Protected Member Functions inherited from QV4::Compiler::ControlFlow
virtual BytecodeGenerator::Label	getUnwindTarget (UnwindType, const QString &=QString())
virtual bool	requiresUnwind ()
QString	loopLabel () const
BytecodeGenerator *	generator () const

Detailed Description

Definition at line 127 of file qv4compilercontrolflow_p.h.

Constructor & Destructor Documentation

ControlFlowUnwind()

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

inline

Definition at line 131 of file qv4compilercontrolflow_p.h.

Member Function Documentation

emitUnwindHandler()

void QV4::Compiler::ControlFlowUnwind::emitUnwindHandler ( )

inline

Definition at line 141 of file qv4compilercontrolflow_p.h.

References QV4::Moth::BytecodeGenerator::addInstruction(), QV4::Compiler::ControlFlow::generator(), Q_ASSERT, and QV4::Compiler::ControlFlow::requiresUnwind().

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

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setupUnwindHandler()

void QV4::Compiler::ControlFlowUnwind::setupUnwindHandler ( )

inline

Definition at line 136 of file qv4compilercontrolflow_p.h.

References QV4::Compiler::ControlFlow::generator(), QV4::Moth::BytecodeGenerator::newExceptionHandler(), and unwindLabel.

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

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unwindHandler()

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

inlineoverridevirtual

Reimplemented from QV4::Compiler::ControlFlow.

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

Definition at line 149 of file qv4compilercontrolflow_p.h.

References QV4::Moth::BytecodeGenerator::ExceptionHandler::isValid(), QV4::Compiler::ControlFlow::parentUnwindHandler(), and unwindLabel.

Referenced by QV4::Compiler::ControlFlowFinally::unwindHandler().

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Member Data Documentation

unwindLabel

BytecodeGenerator::ExceptionHandler QV4::Compiler::ControlFlowUnwind::unwindLabel

Definition at line 129 of file qv4compilercontrolflow_p.h.

Referenced by QV4::Compiler::ControlFlowBlock::ControlFlowBlock(), 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(), setupUnwindHandler(), unwindHandler(), and QV4::Compiler::ControlFlowCatch::unwindHandler().

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

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