Class RecursionBoundContextSelector
java.lang.Object
com.ibm.wala.cast.js.ipa.callgraph.RecursionBoundContextSelector
- All Implemented Interfaces:
ContextSelector
A context selector that attempts to detect recursion beyond some depth in a base selector. If
such recursion is detected, the base selector's context is replaced with
Everywhere.EVERYWHERE
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptiongetCalleeTarget
(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.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 Details
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RecursionBoundContextSelector
- Parameters:
recursionBound
- bound on recursion depth, with the top level of the context returned by the base selector being depth 0. TheEverywhere.EVERYWHERE
context is returned if the base context exceeds this bound.
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Method Details
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getCalleeTarget
public Context getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] actualParameters) 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 siteactualParameters
- 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
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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