org.multijava.util.backend
Class QVoid

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

Direct Known Subclasses:

QJump, QSwitch

class QVoid

extends QNode

This class represents the an instruction that has no return value

Field Summary
private  QOrigin	origin

 

Constructor Summary

QVoid(QOrigin origin)

 

Method Summary
void	generate(CodeSequence seq)           Generates instructions for this quadruple
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.
QOrigin[]	getOrigins()           returns the parameters of this instruction
QQuadruple	getStore()           Returns this node a a jump
QSwitch	getSwitch()           Returns this node a a jump
int	getType()           The type of this instruction
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.
void	setOrigin(QOrigin origin, int i)           Sets the parameters of this instruction
String	toString()           Human readable form

 

Methods inherited from class java.lang.Object

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

 

Field Detail

origin

private QOrigin origin

QVoid

public QVoid(QOrigin origin)

toString

public String toString()

Human readable form

Overrides:

toString in class Object

getType

public int getType()

The type of this instruction

getInstruction

public InstructionHandle getInstruction()

Returns the primitive instruction

Overrides:

getInstruction in class QNode

getDef

public QTemporary getDef()

Returns the defined temporary.

getUses

public QTemporary[] getUses()

Returns the used temporaries.

getOrigins

public QOrigin[] getOrigins()

returns the parameters of this instruction

setOrigin

public void setOrigin(QOrigin origin,
                      int i)

Sets the parameters of this instruction

generate

public void generate(CodeSequence seq)

Generates instructions for this quadruple

Parameters:

seq - The code sequence of instruction

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

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