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Classes | Public Member Functions | Public Attributes | Friends | List of all members
QV4::Moth::BytecodeGenerator Class Reference

#include <qv4bytecodegenerator_p.h>

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Classes

struct  ExceptionHandler
 
struct  Jump
 
struct  Label
 

Public Member Functions

 BytecodeGenerator (int line, bool debug, bool storeSourceLocation=false)
 
Label label ()
 
Label newLabel ()
 
ExceptionHandler newExceptionHandler ()
 
template<int InstrT>
void addInstruction (const InstrData< InstrT > &data)
 
Q_REQUIRED_RESULT Jump jump ()
 
Q_REQUIRED_RESULT Jump jumpTrue ()
 
Q_REQUIRED_RESULT Jump jumpFalse ()
 
Q_REQUIRED_RESULT Jump jumpNotUndefined ()
 
Q_REQUIRED_RESULT Jump jumpNoException ()
 
Q_REQUIRED_RESULT Jump jumpOptionalLookup (int index)
 
Q_REQUIRED_RESULT Jump jumpOptionalProperty (int name)
 
void jumpStrictEqual (const StackSlot &lhs, const Label &target)
 
void jumpStrictNotEqual (const StackSlot &lhs, const Label &target)
 
void checkException ()
 
void setUnwindHandler (ExceptionHandler *handler)
 
void unwindToLabel (int level, const Label &target)
 
void setLocation (const QQmlJS::SourceLocation &loc)
 
void incrementStatement ()
 
ExceptionHandler * exceptionHandler () const
 
int newRegister ()
 
int newRegisterArray (int n)
 
int registerCount () const
 
int currentRegister () const
 
void finalize (Compiler::Context *context)
 
template<int InstrT>
Jump addJumpInstruction (const InstrData< InstrT > &data)
 
void addCJumpInstruction (bool jumpOnFalse, const Label *trueLabel, const Label *falseLabel)
 
void clearLastInstruction ()
 
void addLoopStart (const Label &start)
 

Public Attributes

int currentReg = 0
 

Friends

struct Jump
 
struct Label
 
struct ExceptionHandler
 

Detailed Description

Definition at line 38 of file qv4bytecodegenerator_p.h.

Constructor & Destructor Documentation

◆ BytecodeGenerator()

QV4::Moth::BytecodeGenerator::BytecodeGenerator ( int line,
bool debug,
bool storeSourceLocation = false )
inline

Definition at line 40 of file qv4bytecodegenerator_p.h.

Member Function Documentation

◆ addCJumpInstruction()

void QV4::Moth::BytecodeGenerator::addCJumpInstruction ( bool jumpOnFalse,
const Label * trueLabel,
const Label * falseLabel )
inline

Definition at line 253 of file qv4bytecodegenerator_p.h.

References addJumpInstruction(), and QV4::Moth::BytecodeGenerator::Jump::link().

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

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◆ addInstruction()

template<int InstrT>
void QV4::Moth::BytecodeGenerator::addInstruction ( const InstrData< InstrT > & data)
inline

Definition at line 133 of file qv4bytecodegenerator_p.h.

Referenced by QV4::Compiler::ControlFlowWith::ControlFlowWith(), QV4::Compiler::ControlFlowFinally::~ControlFlowFinally(), QV4::Compiler::ControlFlowWith::~ControlFlowWith(), QV4::Compiler::Codegen::binopHelper(), checkException(), QV4::Compiler::Codegen::createTemplateObject(), QV4::Compiler::Codegen::defineFunction(), QV4::Compiler::Codegen::destructureElementList(), QV4::Compiler::Codegen::destructurePropertyList(), QV4::Compiler::Context::emitBlockFooter(), QV4::Compiler::Context::emitBlockHeader(), QV4::Compiler::Codegen::emitReturn(), QV4::Compiler::ControlFlowUnwind::emitUnwindHandler(), QV4::Compiler::Codegen::handleCall(), QV4::Compiler::Codegen::initializeAndDestructureBindingElement(), QV4::Compiler::Codegen::jumpBinop(), jumpStrictEqual(), jumpStrictNotEqual(), QV4::Compiler::Codegen::loadClosure(), setUnwindHandler(), QV4::Compiler::Codegen::unop(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

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◆ addJumpInstruction()

template<int InstrT>
Jump QV4::Moth::BytecodeGenerator::addJumpInstruction ( const InstrData< InstrT > & data)
inline

Definition at line 246 of file qv4bytecodegenerator_p.h.

References Jump.

Referenced by addCJumpInstruction(), QV4::Compiler::Codegen::destructureElementList(), jump(), jumpFalse(), jumpNoException(), jumpNotUndefined(), jumpOptionalLookup(), jumpOptionalProperty(), jumpStrictEqual(), jumpStrictNotEqual(), jumpTrue(), setUnwindHandler(), unwindToLabel(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

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◆ addLoopStart()

void QV4::Moth::BytecodeGenerator::addLoopStart ( const Label & start)
inline

Definition at line 266 of file qv4bytecodegenerator_p.h.

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

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◆ checkException()

void QV4::Moth::BytecodeGenerator::checkException ( )
inline

Definition at line 201 of file qv4bytecodegenerator_p.h.

References addInstruction().

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

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◆ clearLastInstruction()

void QV4::Moth::BytecodeGenerator::clearLastInstruction ( )
inline

Definition at line 261 of file qv4bytecodegenerator_p.h.

Referenced by QV4::Moth::BytecodeGenerator::Label::link().

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◆ currentRegister()

int QV4::Moth::BytecodeGenerator::currentRegister ( ) const
inline

Definition at line 241 of file qv4bytecodegenerator_p.h.

References currentReg.

Referenced by QV4::Compiler::Context::setupFunctionIndices().

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◆ exceptionHandler()

ExceptionHandler * QV4::Moth::BytecodeGenerator::exceptionHandler ( ) const
inline

Definition at line 234 of file qv4bytecodegenerator_p.h.

◆ finalize()

void BytecodeGenerator::finalize ( Compiler::Context * context)

Definition at line 131 of file qv4bytecodegenerator.cpp.

References QString::append(), QV4::CompiledData::CodeOffsetToLineAndStatement::codeOffset, context, i, line, Q_UNUSED, and QString::size().

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

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◆ incrementStatement()

void BytecodeGenerator::incrementStatement ( )

Definition at line 18 of file qv4bytecodegenerator.cpp.

Referenced by QV4::Compiler::Codegen::statement(), and QV4::Compiler::Codegen::statement().

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◆ jump()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jump ( )
inline

Definition at line 140 of file qv4bytecodegenerator_p.h.

References addJumpInstruction(), QT_WARNING_DISABLE_GCC, QT_WARNING_POP, and QT_WARNING_PUSH.

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

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◆ jumpFalse()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpFalse ( )
inline

Definition at line 154 of file qv4bytecodegenerator_p.h.

References addJumpInstruction().

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

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◆ jumpNoException()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpNoException ( )
inline

Definition at line 165 of file qv4bytecodegenerator_p.h.

References addJumpInstruction().

Referenced by QV4::Compiler::ControlFlowCatch::~ControlFlowCatch().

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◆ jumpNotUndefined()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpNotUndefined ( )
inline

Definition at line 159 of file qv4bytecodegenerator_p.h.

References addJumpInstruction().

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

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◆ jumpOptionalLookup()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpOptionalLookup ( int index)
inline

Definition at line 171 of file qv4bytecodegenerator_p.h.

References addJumpInstruction(), and QV4::Moth::BytecodeGenerator::Jump::index.

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◆ jumpOptionalProperty()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpOptionalProperty ( int name)
inline

Definition at line 178 of file qv4bytecodegenerator_p.h.

References addJumpInstruction().

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◆ jumpStrictEqual()

void QV4::Moth::BytecodeGenerator::jumpStrictEqual ( const StackSlot & lhs,
const Label & target )
inline

Definition at line 185 of file qv4bytecodegenerator_p.h.

References addInstruction(), addJumpInstruction(), and QV4::Moth::BytecodeGenerator::Jump::link().

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

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◆ jumpStrictNotEqual()

void QV4::Moth::BytecodeGenerator::jumpStrictNotEqual ( const StackSlot & lhs,
const Label & target )
inline

Definition at line 193 of file qv4bytecodegenerator_p.h.

References addInstruction(), addJumpInstruction(), and QV4::Moth::BytecodeGenerator::Jump::link().

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◆ jumpTrue()

Q_REQUIRED_RESULT Jump QV4::Moth::BytecodeGenerator::jumpTrue ( )
inline

Definition at line 149 of file qv4bytecodegenerator_p.h.

References addJumpInstruction().

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

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◆ label()

Label QV4::Moth::BytecodeGenerator::label ( )
inline

Definition at line 120 of file qv4bytecodegenerator_p.h.

References Label, and QV4::Moth::BytecodeGenerator::Label::LinkNow.

Referenced by QV4::Moth::BytecodeGenerator::Jump::link(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

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◆ newExceptionHandler()

ExceptionHandler QV4::Moth::BytecodeGenerator::newExceptionHandler ( )
inline

Definition at line 128 of file qv4bytecodegenerator_p.h.

References ExceptionHandler.

Referenced by QV4::Compiler::ControlFlowUnwind::setupUnwindHandler().

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◆ newLabel()

Label QV4::Moth::BytecodeGenerator::newLabel ( )
inline

Definition at line 124 of file qv4bytecodegenerator_p.h.

References Label, and QV4::Moth::BytecodeGenerator::Label::LinkLater.

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

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◆ newRegister()

int BytecodeGenerator::newRegister ( )

Definition at line 23 of file qv4bytecodegenerator.cpp.

References currentReg.

Referenced by QV4::Compiler::ControlFlowFinally::~ControlFlowFinally(), QV4::Compiler::Codegen::defineFunction(), QV4::Compiler::Codegen::Reference::fromStackSlot(), QV4::Compiler::Codegen::handleTaggedTemplate(), QV4::Compiler::Context::setupFunctionIndices(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

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◆ newRegisterArray()

int BytecodeGenerator::newRegisterArray ( int n)

Definition at line 31 of file qv4bytecodegenerator.cpp.

References currentReg.

Referenced by QV4::Compiler::Codegen::defineFunction(), QV4::Compiler::Codegen::pushArgs(), QV4::Compiler::Codegen::pushTemplateArgs(), QV4::Compiler::Context::setupFunctionIndices(), and QV4::Compiler::Codegen::visit().

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◆ registerCount()

int QV4::Moth::BytecodeGenerator::registerCount ( ) const
inline

Definition at line 240 of file qv4bytecodegenerator_p.h.

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

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◆ setLocation()

void BytecodeGenerator::setLocation ( const QQmlJS::SourceLocation & loc)

Definition at line 12 of file qv4bytecodegenerator.cpp.

References QQmlJS::SourceLocation::startLine.

Referenced by QV4::Compiler::Codegen::binopHelper(), QV4::Compiler::Codegen::condition(), QV4::Compiler::Codegen::defineFunction(), QV4::Compiler::Codegen::handleCall(), setJumpOutLocation(), QV4::Compiler::Codegen::statement(), QV4::Compiler::Codegen::visit(), and QV4::Compiler::Codegen::visit().

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◆ setUnwindHandler()

void QV4::Moth::BytecodeGenerator::setUnwindHandler ( ExceptionHandler * handler)
inline

Definition at line 207 of file qv4bytecodegenerator_p.h.

References addInstruction(), addJumpInstruction(), and QV4::Moth::BytecodeGenerator::Jump::link().

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(), and QV4::Compiler::ControlFlowWith::~ControlFlowWith().

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◆ unwindToLabel()

void QV4::Moth::BytecodeGenerator::unwindToLabel ( int level,
const Label & target )
inline

Definition at line 218 of file qv4bytecodegenerator_p.h.

References addJumpInstruction(), jump(), and QV4::Moth::BytecodeGenerator::Jump::link().

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

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Friends And Related Symbol Documentation

◆ ExceptionHandler

friend struct ExceptionHandler
friend

Definition at line 274 of file qv4bytecodegenerator_p.h.

Referenced by newExceptionHandler().

◆ Jump

friend struct Jump
friend

Definition at line 272 of file qv4bytecodegenerator_p.h.

Referenced by addJumpInstruction().

◆ Label

friend struct Label
friend

Definition at line 273 of file qv4bytecodegenerator_p.h.

Referenced by QV4::Compiler::ControlFlowLoop::getUnwindTarget(), QV4::Compiler::ControlFlow::getUnwindTarget(), label(), and newLabel().

Member Data Documentation

◆ currentReg

int QV4::Moth::BytecodeGenerator::currentReg = 0

Definition at line 298 of file qv4bytecodegenerator_p.h.

Referenced by currentRegister(), newRegister(), and newRegisterArray().

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