org.multijava.util.backend
Class QOperator

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

All Implemented Interfaces:

QOrigin

class QOperator

extends Object

implements QOrigin

This class represents the origin of a quadruple

Field Summary
private  QOrigin[]	operands
private  InstructionHandle	operator

 

Constructor Summary

QOperator(InstructionHandle operator, QOrigin[] operands)

 

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
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
String	toString()           Human readable form

 

Methods inherited from class java.lang.Object

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

 

Field Detail

operator

private InstructionHandle operator

operands

private QOrigin[] operands

QOperator

public QOperator(InstructionHandle operator,
                 QOrigin[] operands)

toString

public String toString()

Human readable form

Overrides:

toString in class Object

getType

public 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

duplicate

public QOrigin duplicate()

Duplicate this node

Specified by:

duplicate in interface QOrigin

getUses

public QTemporary[] getUses()

Returns the used temporaries.

Specified by:

getUses 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

generate

public void generate(CodeSequence seq)

Generates instructions for this quadruple

Specified by:

generate in interface QOrigin

Parameters:

seq - The code sequence of instruction