org.multijava.util.backend
Class QOperand

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

All Implemented Interfaces:

QOrigin

Direct Known Subclasses:

QLiteral, QTemporary

abstract class QOperand

extends Object

implements QOrigin

This class represents the origin of a quadruple

Constructor Summary
(package private)	QOperand()

 

Method Summary
QOrigin	duplicate()           Duplicate this node
void	generate(CodeSequence seq)           Generates instructions for this quadruple
InstructionHandle	getInstruction()           Returns the primitive instruction
QOrigin[]	getOrigins()           returns the parameters of this instruction
abstract  int	getType()           The type of this instruction
QTemporary[]	getUses()           Returns the used temporaries.
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

 

Constructor Detail

QOperand

QOperand()

getType

public abstract int getType()

The type of this instruction

Specified by:

getType in interface QOrigin

getInstruction

public InstructionHandle getInstruction()

Returns the primitive instruction

Specified by:

getInstruction in interface QOrigin

getOrigins

public QOrigin[] getOrigins()

returns the parameters of this instruction

Specified by:

getOrigins in interface QOrigin

setOrigin

public void setOrigin(QOrigin origin,
                      int i)

Sets the parameters of this instruction

Specified by:

setOrigin in interface QOrigin

duplicate

public QOrigin duplicate()

Duplicate this node

getUses

public QTemporary[] getUses()

Returns the used temporaries.

generate

public void generate(CodeSequence seq)

Generates instructions for this quadruple

Parameters:

seq - The code sequence of instruction