Class TargetMethodContextSelector
- java.lang.Object
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- com.ibm.wala.ipa.callgraph.propagation.TargetMethodContextSelector
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- 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.
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Constructor Summary
Constructors Constructor Description TargetMethodContextSelector(Selector selector, IClassHierarchy cha)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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.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.
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Constructor Detail
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TargetMethodContextSelector
public TargetMethodContextSelector(Selector selector, IClassHierarchy cha)
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Method Detail
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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 interfaceContextSelector
- Parameters:
caller
- the node containing the call sitesite
- description of the call siteR
- 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.
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getRelevantParameters
public 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 interfaceContextSelector
- Parameters:
caller
- the calling nodesite
- the specific call site- Returns:
- the set of parameters of interest
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