com.ibm.wala.dalvik.ipa.callgraph.propagation.cfa

Class IntentContextSelector

java.lang.Object

com.ibm.wala.dalvik.ipa.callgraph.propagation.cfa.IntentContextSelector

All Implemented Interfaces:

com.ibm.wala.ipa.callgraph.ContextSelector

public class IntentContextSelector
extends Object
implements com.ibm.wala.ipa.callgraph.ContextSelector

Adds Intents to the Context of functions that start Android-Components. This is done by remembering all new-sites where Intent-Objects are built and the parameters to its Constructor. When a function managed by this Selector (see IntentStarters) is encountered the stored information is added to its Context.

Since:

2013-10-14

Author:

Tobias Blaschke <code@tobiasblaschke.de>

See Also:

IntentContextInterpreter, IntentStarters

Constructor Summary

Constructors

Constructor and Description
IntentContextSelector(com.ibm.wala.ipa.callgraph.ContextSelector parent, com.ibm.wala.ipa.cha.IClassHierarchy cha)
IntentContextSelector(com.ibm.wala.ipa.cha.IClassHierarchy cha)

Method Summary

Modifier and Type	Method and Description
com.ibm.wala.ipa.callgraph.Context	getCalleeTarget(com.ibm.wala.ipa.callgraph.CGNode caller, com.ibm.wala.classLoader.CallSiteReference site, com.ibm.wala.classLoader.IMethod callee, com.ibm.wala.ipa.callgraph.propagation.InstanceKey[] actualParameters) 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(com.ibm.wala.ipa.callgraph.CGNode caller, com.ibm.wala.classLoader.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

IntentContextSelector

public IntentContextSelector(com.ibm.wala.ipa.cha.IClassHierarchy cha)

IntentContextSelector

public IntentContextSelector(com.ibm.wala.ipa.callgraph.ContextSelector parent,
                             com.ibm.wala.ipa.cha.IClassHierarchy cha)

Parameters:

parent - is always asked to build a Context first. Context generated by this class is added then.

Method Detail

getCalleeTarget

public com.ibm.wala.ipa.callgraph.Context getCalleeTarget(com.ibm.wala.ipa.callgraph.CGNode caller,
                                                          com.ibm.wala.classLoader.CallSiteReference site,
                                                          com.ibm.wala.classLoader.IMethod callee,
                                                          com.ibm.wala.ipa.callgraph.propagation.InstanceKey[] actualParameters)

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

Specified by:

getCalleeTarget in interface com.ibm.wala.ipa.callgraph.ContextSelector

Throws:

IllegalArgumentException - if the type of a parameter given as actualParameters does not match an expected one

getRelevantParameters

public com.ibm.wala.util.intset.IntSet getRelevantParameters(com.ibm.wala.ipa.callgraph.CGNode caller,
                                                             com.ibm.wala.classLoader.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.

Specified by:

getRelevantParameters in interface com.ibm.wala.ipa.callgraph.ContextSelector