harpoon.IR.Quads
Class ALENGTH

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

All Implemented Interfaces:

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

public class ALENGTH
extends Quad

ALENGTH represents an array length query.

Version:

$Id: ALENGTH.java,v 1.5 2002/04/11 04:00:28 cananian Exp $

Author:

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

See Also:

ANEW, AGET, ASET, Serialized Form

Field Summary

protected Temp	dst The Temp in which to store the array length.
protected Temp	objectref The array reference to query.

Fields inherited from class harpoon.IR.Quads.Quad

arrayFactory

Constructor Summary

ALENGTH(QuadFactory qf, HCodeElement source, Temp dst, Temp objectref)
Creates a ALENGTH representing an array length query.

Method Summary

<T> T	accept(QuadValueVisitor<T> v)
void	accept(QuadVisitor v) Accept a visitor.
Temp[]	def() Returns the Temp defined by this Quad.
Temp	dst() Returns the destination Temp.
int	kind() Return an integer enumeration of the kind of this Quad.
Temp	objectref() Returns the Temp holding the array reference to query.
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.
String	toString() Returns a human-readable representation of this quad.
Temp[]	use() Returns the Temp 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 Temp in which to store the array length.

objectref

protected Temp objectref

The array reference to query.

Constructor Detail

ALENGTH

public ALENGTH(QuadFactory qf,
               HCodeElement source,
               Temp dst,
               Temp objectref)

Creates a ALENGTH representing an array length query.

Parameters:

dst - the Temp in which to store the array length.

objectref - the Temp holding the array reference to query.

Method Detail

dst

public Temp dst()

Returns the destination Temp.

objectref

public Temp objectref()

Returns the Temp holding the array reference to query.

def

public Temp[] def()

Returns the Temp defined by this Quad.

Specified by:

def in interface UseDefable

Overrides:

def in class Quad

Returns:

the dst field.

use

public Temp[] use()

Returns the Temp used by this Quad.

Specified by:

use in interface UseDefable

Overrides:

use in class Quad

Returns:

the objectref field.

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