harpoon.IR.Quads
Class MOVE

java.lang.Object
  harpoon.IR.Quads.Quad
      harpoon.IR.Quads.MOVE

All Implemented Interfaces:

HCodeElement, CFGraphable<Quad,Edge>, UseDefable, Graph.Node<Quad,Edge>, Serializable, Cloneable, Comparable<Quad>

public class MOVE
extends Quad

MOVE objects represent an assignment to a compiler temporary. The source of the assignment must be another temporary.

Version:

$Id: MOVE.java,v 1.5 2002/04/11 04:00:34 cananian Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

See Also:

Serialized Form

Field Summary

protected Temp	dst The destination Temp.
protected Temp	src The source Temp.

Fields inherited from class harpoon.IR.Quads.Quad

arrayFactory

Constructor Summary

MOVE(QuadFactory qf, HCodeElement source, Temp dst, Temp src)
Creates a MOVE from a source and destination Temp.

Method Summary

<T> T	accept(QuadValueVisitor<T> v)
void	accept(QuadVisitor v) Accept a visitor.
Temp[]	def() Returns the Temps defined by this Quad.
Temp	dst() Returns the destination Temp.
int	kind() Return an integer enumeration of the kind of this Quad.
Quad	rename(QuadFactory qqf, TempMap defMap, TempMap useMap) Create a new Quad identical to the receiver, but with all Temps renamed according to a mapping.
Temp	src() Returns the source Temp.
String	toString() Returns a human-readable representation of this Quad.
Temp[]	use() Returns the Temps used by this Quad.

Methods inherited from class harpoon.IR.Quads.Quad

addEdge, addEdges, addHandlers, clone, clone, clone, compareTo, defC, edgeC, edges, getFactory, getID, getLineNumber, getSourceFile, handlers, hashCode, isPred, isSucc, map, map, map, next, next, nextEdge, nextEdge, nextLength, pred, predC, prev, prev, prevEdge, prevEdge, prevLength, remove, removeHandlers, rename, replace, succ, succC, toLongString, transferHandlers, useC

Methods inherited from class java.lang.Object

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

Field Detail

dst

protected Temp dst

The destination Temp.

src

protected Temp src

The source Temp.

Constructor Detail

MOVE

public MOVE(QuadFactory qf,
            HCodeElement source,
            Temp dst,
            Temp src)

Creates a MOVE from a source and destination Temp.

Parameters:

dst - the destination Temp.

src - the source Temp.

Method Detail

dst

public Temp dst()

Returns the destination Temp.

src

public Temp src()

Returns the source Temp.

use

public Temp[] use()

Returns the Temps used by this Quad.

Specified by:

use in interface UseDefable

Overrides:

use in class Quad

def

public Temp[] def()

Returns the Temps defined by this Quad.

Specified by:

def in interface UseDefable

Overrides:

def in class Quad

kind

public int kind()

Description copied from class: Quad

Return an integer enumeration of the kind of this Quad. The enumerated values are defined in QuadKind.

Specified by:

kind in class Quad

rename

public Quad rename(QuadFactory qqf,
                   TempMap defMap,
                   TempMap useMap)

Description copied from class: Quad

Create a new Quad identical to the receiver, but with all Temps renamed according to a mapping. The new Quad will have no edges.

The new Quad will come from the specified QuadFactory.

Specified by:

rename in class Quad

accept

public void accept(QuadVisitor v)

Description copied from class: Quad

Accept a visitor.

Specified by:

accept in class Quad

accept

public <T> T accept(QuadValueVisitor<T> v)

Specified by:

accept in class Quad

toString

public String toString()

Returns a human-readable representation of this Quad.

Specified by:

toString in class Quad