com.ibm.wala.ipa.callgraph.propagation

Class TargetMethodContextSelector

java.lang.Object

com.ibm.wala.ipa.callgraph.propagation.TargetMethodContextSelector

All Implemented Interfaces:

ContextSelector

public class TargetMethodContextSelector
extends Object
implements ContextSelector

This context selector selects a context based on whether the receiver type dispatches to a given method.

Constructor Summary

Constructors

Constructor and Description
TargetMethodContextSelector(Selector selector, IClassHierarchy cha)

Method Summary

Methods

Modifier and Type	Method and Description
Context	getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] R) Given a calling node and a call site, returns the Context in which the callee should be evaluated.
com.ibm.wala.util.intset.IntSet	getRelevantParameters(CGNode caller, CallSiteReference site) Given a calling node and a call site, return the set of parameters based on which this selector may choose to specialize contexts.

Methods inherited from class java.lang.Object

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

Constructor Detail

TargetMethodContextSelector

public TargetMethodContextSelector(Selector selector,
                           IClassHierarchy cha)

Method Detail

getCalleeTarget

public Context getCalleeTarget(CGNode caller,
                      CallSiteReference site,
                      IMethod callee,
                      InstanceKey[] R)

Description copied from interface: ContextSelector

Given a calling node and a call site, returns the Context in which the callee should be evaluated.

Specified by:

getCalleeTarget in interface ContextSelector

Parameters:

caller - the node containing the call site

site - description of the call site

R - the abstract objects (InstanceKeys) of parameters of interest to the selector

Returns:

the Context in which the callee should be evaluated, or null if no information is available.

getRelevantParameters

public com.ibm.wala.util.intset.IntSet getRelevantParameters(CGNode caller,
                                                    CallSiteReference site)

Description copied from interface: ContextSelector

Given a calling node and a call site, return the set of parameters based on which this selector may choose to specialize contexts.

Specified by:

getRelevantParameters in interface ContextSelector

Parameters:

caller - the calling node

site - the specific call site

Returns:

the set of parameters of interest