IntentContextSelector (API Reference for wala 1.3.9)

java.lang.Object
- com.ibm.wala.dalvik.ipa.callgraph.propagation.cfa.IntentContextSelector

All Implemented Interfaces:

ContextSelector
```
public class IntentContextSelector
extends Object
implements 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

See Also:

IntentContextInterpreter, IntentStarters

Constructor Summary

Constructors
Constructor and Description

IntentContextSelector(ContextSelector parent, IClassHierarchy cha)

IntentContextSelector(IClassHierarchy cha)

Constructors
Constructor and Description
`IntentContextSelector(ContextSelector parent, IClassHierarchy cha)`
`IntentContextSelector(IClassHierarchy cha)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Context`	`getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] actualParameters)` Given a calling node and a call site, returns the Context in which the callee should be evaluated.
`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
  - IntentContextSelector
```
public IntentContextSelector(IClassHierarchy cha)
```
  - IntentContextSelector
```
public IntentContextSelector(ContextSelector parent,
                             IClassHierarchy cha)
```
    Parameters:
    
    parent - is always asked to build a Context first. Context generated by this class is added then.
- Method Detail
  - getCalleeTarget
```
public Context getCalleeTarget(CGNode caller,
                               CallSiteReference site,
                               IMethod callee,
                               InstanceKey[] actualParameters)
```
    Given a calling node and a call site, returns the Context in which the callee should be evaluated. 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
    
    actualParameters - 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.
    
    Throws:
    
    IllegalArgumentException - if the type of a parameter given as actualParameters does not match an expected one
  - getRelevantParameters
```
public 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. 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

Class IntentContextSelector

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

IntentContextSelector

IntentContextSelector

Method Detail

getCalleeTarget

getRelevantParameters