/*******************************************************************************
* Copyright (c) 2002 - 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.ipa.callgraph.propagation.cfa;
import com.ibm.wala.ipa.callgraph.AnalysisCache;
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.ContextSelector;
import com.ibm.wala.ipa.callgraph.impl.DelegatingContextSelector;
import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
import com.ibm.wala.ipa.cha.IClassHierarchy;
/**
* 0-X-CFA Call graph builder which analyzes calls to "container methods" in a context which is defined by the receiver instance.
*/
public class ZeroXContainerCFABuilder extends ZeroXCFABuilder {
/**
* @param cha governing class hierarchy
* @param options call graph construction options
* @param appContextSelector application-specific logic to choose contexts
* @param appContextInterpreter application-specific logic to interpret a method in context
* @throws IllegalArgumentException if options is null
*/
public ZeroXContainerCFABuilder(IClassHierarchy cha, AnalysisOptions options, AnalysisCache cache,
ContextSelector appContextSelector, SSAContextInterpreter appContextInterpreter, int instancePolicy) {
super(cha, options, cache, appContextSelector, appContextInterpreter, instancePolicy);
ContextSelector CCS = makeContainerContextSelector(cha, (ZeroXInstanceKeys) getInstanceKeys());
DelegatingContextSelector DCS = new DelegatingContextSelector(CCS, contextSelector);
setContextSelector(DCS);
}
/**
* @return an object which creates contexts for call graph nodes based on the container disambiguation policy
*/
protected ContextSelector makeContainerContextSelector(IClassHierarchy cha, ZeroXInstanceKeys keys) {
return new ContainerContextSelector(cha, keys);
}
}