org.multijava.util.backend
Class QNode

java.lang.Object
  org.multijava.util.backend.QNode

Direct Known Subclasses:

QIinc, QNop, QQuadruple, QVoid

abstract class QNode

extends Object

This class represent an abstract node

Field Summary
private  QTemporary[]	livein
private  QTemporary[]	liveout

 

Constructor Summary
(package private)	QNode()

 

Method Summary
abstract  void	generate(CodeSequence seq)           Generates instructions for this quadruple
abstract  QTemporary	getDef()           Returns the defined temporary.
InstructionHandle	getInstruction()           Returns the primitive instruction
QJump	getJump()           Returns this node a a jump
QTemporary[]	getLivein()           Returns the livein temporary.
QTemporary[]	getLiveout()           Returns the liveout temporary.
abstract  QOrigin[]	getOrigins()           returns the parameters of this instruction
QQuadruple	getStore()           Returns this node a a jump
QSwitch	getSwitch()           Returns this node a a jump
abstract  QTemporary[]	getUses()           Returns the used temporaries.
boolean	hasSideEffect()           Returns this node a a jump
boolean	isJump()           isJump
boolean	isLive(QTemporary temp)           Is a temporary live at a certin point
boolean	isStore()           isStore
boolean	isSwitch()           isJump
void	setLivein(QTemporary[] livein)           Sets the livein temporary.
void	setLiveout(QTemporary[] liveout)           Sets the liveout temporary.
abstract  void	setOrigin(QOrigin origin, int i)           Sets the parameters of this instruction

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

livein

private QTemporary[] livein

liveout

private QTemporary[] liveout

QNode

QNode()

isJump

public boolean isJump()

isJump

getJump

public QJump getJump()

Returns this node a a jump

isSwitch

public boolean isSwitch()

isJump

getSwitch

public QSwitch getSwitch()

Returns this node a a jump

isStore

public boolean isStore()

isStore

getStore

public QQuadruple getStore()

Returns this node a a jump

hasSideEffect

public boolean hasSideEffect()

Returns this node a a jump

getInstruction

public InstructionHandle getInstruction()

Returns the primitive instruction

getOrigins

public abstract QOrigin[] getOrigins()

returns the parameters of this instruction

setOrigin

public abstract void setOrigin(QOrigin origin,
                               int i)

Sets the parameters of this instruction

getDef

public abstract QTemporary getDef()

Returns the defined temporary.

getUses

public abstract QTemporary[] getUses()

Returns the used temporaries.

getLivein

public QTemporary[] getLivein()

Returns the livein temporary.

setLivein

public void setLivein(QTemporary[] livein)

Sets the livein temporary.

getLiveout

public QTemporary[] getLiveout()

Returns the liveout temporary.

setLiveout

public void setLiveout(QTemporary[] liveout)

Sets the liveout temporary.

isLive

public boolean isLive(QTemporary temp)

Is a temporary live at a certin point

generate

public abstract void generate(CodeSequence seq)

Generates instructions for this quadruple

Parameters:

seq - The code sequence of instruction