43 lines
1.7 KiB
Java
43 lines
1.7 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.ipa.callgraph;
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import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
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import com.ibm.wala.util.intset.IntSet;
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/**
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* An interface to an object which helps control context-sensitivity.
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*/
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public interface ContextSelector {
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/**
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* Given a calling node and a call site, returns the Context in which the callee should be evaluated.
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*
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* @param caller the node containing the call site
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* @param site description of the call site
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* @param actualParameters the abstract objects (InstanceKeys) of parameters of interest to the selector
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* @return the Context in which the callee should be evaluated, or null if no information is available.
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*/
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Context getCalleeTarget(CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] actualParameters);
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/**
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* Given a calling node and a call site, return the set of parameters based
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* on which this selector may choose to specialize contexts.
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*
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* @param caller the calling node
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* @param site the specific call site
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* @return the set of parameters of interest
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*/
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IntSet getRelevantParameters(CGNode caller, CallSiteReference site);
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}
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