coins.aflow
Class DefUseCellImpl

java.lang.Object
  coins.aflow.DefUseCellImpl

All Implemented Interfaces:

DefUseCell

public class DefUseCellImpl

extends java.lang.Object

implements DefUseCell

DefUseCellImpl class: Def-use list cell representaing a definition and list of its use points.

Nested Class Summary

Nested classes inherited from class coins.aflow.DefUseCell

DefUseCell.DefNode

Field Summary

(package private) IR	fDefNode
FlowRoot	flowRoot
(package private) java.util.List	fUseList

Fields inherited from interface coins.aflow.DefUseCell

PARAM, UNINITIALIZED

Constructor Summary

protected

DefUseCellImpl(FlowRoot pFlowRoot, IR pDefNode)

Method Summary

void	addUseNode(IR pUseNode) Adds pUseNode to the list of use nodes (returned by getUseList()).
IR	getDefNode() Returns the node (def node of this DefUseCell) that sets the value for the symbol this DefUseCell is associated with.
java.util.List	getUseList() Returns the list of nodes that may use the value set at the def node (returned by getDefNode()).
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

flowRoot

public final FlowRoot flowRoot

fDefNode

IR fDefNode

fUseList

java.util.List fUseList

Constructor Detail

DefUseCellImpl

protected DefUseCellImpl(FlowRoot pFlowRoot,
                         IR pDefNode)

Method Detail

getDefNode

public IR getDefNode()

Description copied from interface: DefUseCell

Returns the node (def node of this DefUseCell) that sets the value for the symbol this DefUseCell is associated with. The node returned is an HIR AssignStmt node or LIR SET node or formal parameter node (PARAM) or node that signifies the symbol is uninitialed (UNINITIALIZED).

Specified by:

getDefNode in interface DefUseCell

getUseList

public java.util.List getUseList()

Description copied from interface: DefUseCell

Returns the list of nodes that may use the value set at the def node (returned by getDefNode()).

Specified by:

getUseList in interface DefUseCell

addUseNode

public void addUseNode(IR pUseNode)

Description copied from interface: DefUseCell

Adds pUseNode to the list of use nodes (returned by getUseList()).

Specified by:

addUseNode in interface DefUseCell

toString

public java.lang.String toString()