tip.cfg
Class CNullExpPoint

java.lang.Object
  extended by tip.cfg.AProgramPoint
      extended by tip.cfg.CNullExpPoint
All Implemented Interfaces:
IProgramPoint

public class CNullExpPoint
extends AProgramPoint

CNullExpPoint is a program point in a control flow graph associated with a ANullExp.

Author:
Johnni Winther, jw@brics.dk

Constructor Summary
CNullExpPoint(ANullExp _node_)
          Creates a new CNullExpPoint associated with the ANullExp _node_ with the label "".
CNullExpPoint(ANullExp _node_, String _label_)
          Creates a new CNullExpPoint associated with the ANullExp _node_ with the label _label_.
 
Method Summary
<A> A
apply(CFGAnswer<A> caller)
          Returns an answer by calling CFGAnswer.caseCNullExpPoint(ANullExp,CNullExpPoint) the visitor caller with this program point.
<Q,A> A
apply(CFGQuestionAnswer<Q,A> caller, Q question)
          Returns an answer by calling CFGQuestionAnswer.caseCNullExpPoint(ANullExp,CNullExpPoint,Object) the visitor caller with this program point.
 boolean apply(ICFGAnalysis analysis)
          Calls ICFGAnalysis.caseCNullExpPoint(ANullExp,CNullExpPoint) on analysis and returns the result.
 CNullExpPoint clone()
          Returns a clone of the program point with no predecessors or successors.
 ANullExp getNode()
          Returns the ANullExp associated with this program point.
 String getNodeText(Answer<String> nodeText)
          Returns a textual representation of this program point by calling the Answer.caseANullExp(ANullExp) on nodeText.
 String toString()
          Returns a textual representation of this CNullExpPoint.
 
Methods inherited from class tip.cfg.AProgramPoint
addPredecessor, addSuccessor, getPredecessors, getSuccessors, getVicinity, removePredecessor, removeSuccessor
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

CNullExpPoint

public CNullExpPoint(ANullExp _node_)
Creates a new CNullExpPoint associated with the ANullExp _node_ with the label "".

Parameters:
_node_ - the ANullExp associated the the program point

CNullExpPoint

public CNullExpPoint(ANullExp _node_,
                     String _label_)
Creates a new CNullExpPoint associated with the ANullExp _node_ with the label _label_.

Parameters:
_node_ - the ANullExp associated the the program point
_label_ - the label of the program point
Method Detail

getNode

public ANullExp getNode()
Returns the ANullExp associated with this program point.

Specified by:
getNode in interface IProgramPoint
Overrides:
getNode in class AProgramPoint
Returns:
the ANullExp associated with this program point

apply

public boolean apply(ICFGAnalysis analysis)
Calls ICFGAnalysis.caseCNullExpPoint(ANullExp,CNullExpPoint) on analysis and returns the result.

Returns:
the result of calling ICFGAnalysis.caseCNullExpPoint(ANullExp,CNullExpPoint) on analysis

getNodeText

public String getNodeText(Answer<String> nodeText)
Returns a textual representation of this program point by calling the Answer.caseANullExp(ANullExp) on nodeText.

Parameters:
nodeText - the Answer used
Returns:
a textual representation of this program point

apply

public <A> A apply(CFGAnswer<A> caller)
Returns an answer by calling CFGAnswer.caseCNullExpPoint(ANullExp,CNullExpPoint) the visitor caller with this program point.

Parameters:
caller - the Answer used
Returns:
the answer as returned from caller

apply

public <Q,A> A apply(CFGQuestionAnswer<Q,A> caller,
                     Q question)
Returns an answer by calling CFGQuestionAnswer.caseCNullExpPoint(ANullExp,CNullExpPoint,Object) the visitor caller with this program point.

Parameters:
caller - the QuestionAnswer used
question - the question used
Returns:
the answer as returned from caller on question

clone

public CNullExpPoint clone()
Returns a clone of the program point with no predecessors or successors.

Specified by:
clone in interface IProgramPoint
Specified by:
clone in class AProgramPoint
Returns:
a clone of the program point with no predecessors or successors

toString

public String toString()
Returns a textual representation of this CNullExpPoint.

Overrides:
toString in class Object
Returns:
a textual representation of this CNullExpPoint