com.ibm.wala.ipa.callgraph.propagation

Class PropagationCallGraphBuilder.InstancePutFieldOperator

java.lang.Object

com.ibm.wala.fixpoint.AbstractOperator<T>

com.ibm.wala.fixpoint.UnaryOperator<PointsToSetVariable>

com.ibm.wala.ipa.callgraph.propagation.PropagationCallGraphBuilder.InstancePutFieldOperator

All Implemented Interfaces:

com.ibm.wala.fixpoint.FixedPointConstants, IPointerOperator

Enclosing class:

PropagationCallGraphBuilder

public final class PropagationCallGraphBuilder.InstancePutFieldOperator
extends com.ibm.wala.fixpoint.UnaryOperator<PointsToSetVariable>
implements IPointerOperator

Update the points-to-set for a field to include a particular instance key.

Field Summary

Fields

Modifier and Type	Field and Description
protected com.ibm.wala.util.intset.MutableIntSet	priorInstances

Fields inherited from interface com.ibm.wala.fixpoint.FixedPointConstants

CHANGED, CHANGED_AND_FIXED, CHANGED_MASK, FIXED_MASK, NOT_CHANGED, NOT_CHANGED_AND_FIXED, SIDE_EFFECT_MASK

Constructor Summary

Constructors

Constructor and Description
PropagationCallGraphBuilder.InstancePutFieldOperator(IField field, InstanceKey instance)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
byte	evaluate(PointsToSetVariable dummyLHS, PointsToSetVariable var) Simply add the instance to each relevant points-to set.
int	hashCode()
boolean	isComplex() Is the operator complex; i.e., might it give rise to new constraints?
String	toString()

Methods inherited from class com.ibm.wala.fixpoint.UnaryOperator

evaluate, isIdentity, makeEquation

Methods inherited from class java.lang.Object

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

Field Detail

priorInstances

protected final com.ibm.wala.util.intset.MutableIntSet priorInstances

Constructor Detail

PropagationCallGraphBuilder.InstancePutFieldOperator

public PropagationCallGraphBuilder.InstancePutFieldOperator(IField field,
                                                    InstanceKey instance)

Method Detail

toString

public String toString()

Specified by:

toString in class com.ibm.wala.fixpoint.AbstractOperator<PointsToSetVariable>

evaluate

public byte evaluate(PointsToSetVariable dummyLHS,
            PointsToSetVariable var)

Simply add the instance to each relevant points-to set.

Specified by:

evaluate in class com.ibm.wala.fixpoint.UnaryOperator<PointsToSetVariable>

hashCode

public int hashCode()

Specified by:

hashCode in class com.ibm.wala.fixpoint.AbstractOperator<PointsToSetVariable>

equals

public boolean equals(Object o)

Specified by:

equals in class com.ibm.wala.fixpoint.AbstractOperator<PointsToSetVariable>

isComplex

public boolean isComplex()

Description copied from interface: IPointerOperator

Is the operator complex; i.e., might it give rise to new constraints?

Specified by:

isComplex in interface IPointerOperator