QV4::Compiler::ControlFlowCatch Struct Reference

#include <qv4compilercontrolflow_p.h>

Inheritance diagram for QV4::Compiler::ControlFlowCatch:

Collaboration diagram for QV4::Compiler::ControlFlowCatch:

Public Member Functions
	ControlFlowCatch (Codegen *cg, QQmlJS::AST::Catch *catchExpression)
virtual bool	requiresUnwind () override
BytecodeGenerator::ExceptionHandler *	unwindHandler () override
	~ControlFlowCatch ()
Public Member Functions inherited from QV4::Compiler::ControlFlowUnwind
	ControlFlowUnwind (Codegen *cg, Type type)
void	setupUnwindHandler ()
void	emitUnwindHandler ()
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 ()

Public Attributes
QQmlJS::AST::Catch *	catchExpression
bool	insideCatch = false
BytecodeGenerator::ExceptionHandler	exceptionLabel
Public Attributes inherited from QV4::Compiler::ControlFlowUnwind
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())
QString	loopLabel () const
BytecodeGenerator *	generator () const

Detailed Description

Definition at line 278 of file qv4compilercontrolflow_p.h.

Constructor & Destructor Documentation

ControlFlowCatch()

QV4::Compiler::ControlFlowCatch::ControlFlowCatch ( Codegen * cg, QQmlJS::AST::Catch * catchExpression )

inline

Definition at line 284 of file qv4compilercontrolflow_p.h.

References exceptionLabel, QV4::Compiler::ControlFlow::generator(), and QV4::Moth::BytecodeGenerator::setUnwindHandler().

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~ControlFlowCatch()

QV4::Compiler::ControlFlowCatch::~ControlFlowCatch ( )

inline

Definition at line 299 of file qv4compilercontrolflow_p.h.

References QQmlJS::AST::PatternElement::bindingIdentifier, catchExpression, QV4::Compiler::ControlFlow::cg, QV4::Compiler::Context::emitBlockFooter(), QV4::Compiler::Context::emitBlockHeader(), QV4::Compiler::ControlFlowUnwind::emitUnwindHandler(), QV4::Compiler::Codegen::enterBlock(), exceptionLabel, QV4::Compiler::Codegen::Reference::fromName(), QV4::Compiler::ControlFlow::generator(), QV4::Compiler::Codegen::initializeAndDestructureBindingElement(), insideCatch, QStringView::isEmpty(), QV4::Moth::BytecodeGenerator::jumpNoException(), QV4::Compiler::Codegen::leaveBlock(), QV4::Moth::BytecodeGenerator::Label::link(), QV4::Compiler::ControlFlow::parentUnwindHandler(), QQmlJS::AST::Catch::patternElement, QStringLiteral, QV4::Moth::BytecodeGenerator::setUnwindHandler(), QV4::Compiler::ControlFlowUnwind::setupUnwindHandler(), QQmlJS::AST::Catch::statement, QV4::Compiler::Codegen::statementList(), QQmlJS::AST::Block::statements, and QV4::Compiler::ControlFlowUnwind::unwindLabel.

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Member Function Documentation

requiresUnwind()

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

inlineoverridevirtual

Reimplemented from QV4::Compiler::ControlFlow.

Definition at line 291 of file qv4compilercontrolflow_p.h.

unwindHandler()

BytecodeGenerator::ExceptionHandler * QV4::Compiler::ControlFlowCatch::unwindHandler ( )

inlineoverridevirtual

Reimplemented from QV4::Compiler::ControlFlowUnwind.

Definition at line 295 of file qv4compilercontrolflow_p.h.

References exceptionLabel, insideCatch, and QV4::Compiler::ControlFlowUnwind::unwindLabel.

Member Data Documentation

catchExpression

QQmlJS::AST::Catch* QV4::Compiler::ControlFlowCatch::catchExpression

Definition at line 280 of file qv4compilercontrolflow_p.h.

Referenced by ~ControlFlowCatch().

exceptionLabel

BytecodeGenerator::ExceptionHandler QV4::Compiler::ControlFlowCatch::exceptionLabel

Definition at line 282 of file qv4compilercontrolflow_p.h.

Referenced by ControlFlowCatch(), ~ControlFlowCatch(), and unwindHandler().

insideCatch

bool QV4::Compiler::ControlFlowCatch::insideCatch = false

Definition at line 281 of file qv4compilercontrolflow_p.h.

Referenced by ~ControlFlowCatch(), and unwindHandler().

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

• qtdeclarative/src/qml/compiler/qv4compilercontrolflow_p.h (e7eb542a553c75cdb917450915addb3b9e20c0db)