Class CallStringContextSelector
- java.lang.Object
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- com.ibm.wala.ipa.callgraph.propagation.cfa.CallStringContextSelector
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- All Implemented Interfaces:
ContextSelector
- Direct Known Subclasses:
nCFAContextSelector
public abstract class CallStringContextSelector extends Object implements ContextSelector
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
CallStringContextSelector.CallStringContextPair
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Field Summary
Fields Modifier and Type Field Description static ContextKey
CALL_STRING
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Constructor Summary
Constructors Constructor Description CallStringContextSelector(ContextSelector base)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description Context
getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] receiver)
Given a calling node and a call site, returns the Context in which the callee should be evaluated.protected abstract int
getLength(CGNode caller, CallSiteReference site, IMethod target)
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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Field Detail
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CALL_STRING
public static final ContextKey CALL_STRING
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Constructor Detail
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CallStringContextSelector
public CallStringContextSelector(ContextSelector base)
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Method Detail
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getLength
protected abstract int getLength(CGNode caller, CallSiteReference site, IMethod target)
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getCalleeTarget
public Context getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] receiver)
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 sitereceiver
- 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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