harpoon.IR.Assem
Class InstrFactory

java.lang.Object
  harpoon.IR.Assem.InstrFactory

public abstract class InstrFactory
extends Object

A InstrFactory is responsible for generating generic Assem.Instrs used in code generation.

Version:

$Id: InstrFactory.java,v 1.3 2002/04/10 03:04:27 cananian Exp $

Author:

Andrew Berkheimer <andyb@mit.edu>, Felix S. Klock II <pnkfelix@mit.edu>

Constructor Summary

InstrFactory()

Method Summary

void	addGroup(InstrGroup group) Adds information from group to the InstrGroup.Type -> CFGrapher mapping for this.
abstract Frame	getFrame() Returns the Frame which is associated with all of the Instrs generated by this factory.
CFGrapher<Instr>	getGrapherFor(InstrGroup.Type t) Returns a CFGrapher that treats InstrGroups of Type t as single atomic elements.
HMethod	getMethod() Returns the HMethod which corresponds to Instrs generated by this factory.
abstract Code	getParent() Returns the HCode to which all Instrs generated by this factory belong.
Instr	getTail()
abstract int	getUniqueID() Returns a unique ID number for each new Instr generated by this factory.
UseDefer<Instr>	getUseDeferFor(InstrGroup.Type t) Returns a UseDefer that treats InstrGroups of Type t as single atomic elements.
int	hashCode()
abstract TempFactory	tempFactory() Returns the TempFactory to use for creating Temps which are used as arguments to Instrs generated by this factory.
String	toString() Returns a human-readable representation for this InstrFactory.

Methods inherited from class java.lang.Object

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

Constructor Detail

InstrFactory

public InstrFactory()

Method Detail

getTail

public Instr getTail()

tempFactory

public abstract TempFactory tempFactory()

Returns the TempFactory to use for creating Temps which are used as arguments to Instrs generated by this factory.

getParent

public abstract Code getParent()

Returns the HCode to which all Instrs generated by this factory belong.

getFrame

public abstract Frame getFrame()

Returns the Frame which is associated with all of the Instrs generated by this factory.

getMethod

public HMethod getMethod()

Returns the HMethod which corresponds to Instrs generated by this factory.
effects: Returns the HMethod associated with this, or null if no such HMethod exists.

getUniqueID

public abstract int getUniqueID()

Returns a unique ID number for each new Instr generated by this factory.

toString

public String toString()

Returns a human-readable representation for this InstrFactory.

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

addGroup

public void addGroup(InstrGroup group)

Adds information from group to the InstrGroup.Type -> CFGrapher mapping for this.
requires: group has had its entry and exit fields assigned.

getGrapherFor

public CFGrapher<Instr> getGrapherFor(InstrGroup.Type t)

Returns a CFGrapher that treats InstrGroups of Type t as single atomic elements.

getUseDeferFor

public UseDefer<Instr> getUseDeferFor(InstrGroup.Type t)

Returns a UseDefer that treats InstrGroups of Type t as single atomic elements.