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

Class OneLevelSiteContextSelector

  • All Implemented Interfaces:
    ContextSelector
    public class OneLevelSiteContextSelector
extends Object
implements ContextSelector
    This is a context selector that adds one level of calling context to a base context selector.

    • Constructor Detail

      • OneLevelSiteContextSelector

        public OneLevelSiteContextSelector​(ContextSelector baseSelector)
        Parameters:
        baseSelector - a context selector which provides the context to analyze a method in, but without one level of calling context.

    • Method Detail

      • 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 interface ContextSelector
        Parameters:
        caller - the node containing the call site
        site - description of the call site
        receiver - 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.

      • 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 interface ContextSelector
        Parameters:
        caller - the calling node
        site - the specific call site
        Returns:
        the set of parameters of interest