87 lines
3.1 KiB
Java
87 lines
3.1 KiB
Java
/******************************************************************************
|
|
* 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.cast.ipa.callgraph;
|
|
|
|
import java.util.Map;
|
|
|
|
import com.ibm.wala.classLoader.NewSiteReference;
|
|
import com.ibm.wala.classLoader.ProgramCounter;
|
|
import com.ibm.wala.ipa.callgraph.CGNode;
|
|
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
|
|
import com.ibm.wala.ipa.callgraph.propagation.InstanceKeyFactory;
|
|
import com.ibm.wala.types.TypeReference;
|
|
import com.ibm.wala.util.strings.Atom;
|
|
|
|
/**
|
|
* An InstanceKeyFactory implementation that is designed to support
|
|
* multiple languages. This implementation delegates to one of several
|
|
* child instance key factories based on the language associated with
|
|
* the IClass or TypeReference for which an instance key is being chosen.
|
|
*
|
|
* @author Julian Dolby (dolby@us.ibm.com)
|
|
*/
|
|
public class CrossLanguageInstanceKeys implements InstanceKeyFactory {
|
|
|
|
private final Map languageSelectors;
|
|
|
|
public CrossLanguageInstanceKeys(Map languageSelectors) {
|
|
this.languageSelectors = languageSelectors;
|
|
}
|
|
|
|
private static Atom getLanguage(TypeReference type) {
|
|
return type.getClassLoader().getLanguage();
|
|
}
|
|
|
|
private static Atom getLanguage(NewSiteReference site) {
|
|
return getLanguage(site.getDeclaredType());
|
|
}
|
|
|
|
// private static Atom getLanguage(CGNode node) {
|
|
// return getLanguage(node.getMethod().getDeclaringClass().getReference());
|
|
// }
|
|
|
|
private InstanceKeyFactory getSelector(NewSiteReference site) {
|
|
return (InstanceKeyFactory)languageSelectors.get(getLanguage(site));
|
|
}
|
|
|
|
private InstanceKeyFactory getSelector(TypeReference type) {
|
|
return (InstanceKeyFactory)languageSelectors.get(getLanguage(type));
|
|
}
|
|
|
|
|
|
@Override
|
|
public InstanceKey getInstanceKeyForAllocation(CGNode node, NewSiteReference allocation) {
|
|
return getSelector(allocation).getInstanceKeyForAllocation(node, allocation);
|
|
}
|
|
|
|
@Override
|
|
public InstanceKey getInstanceKeyForMultiNewArray(CGNode node, NewSiteReference allocation, int dim) {
|
|
return getSelector(allocation).getInstanceKeyForMultiNewArray(node, allocation, dim);
|
|
}
|
|
|
|
@Override
|
|
public InstanceKey getInstanceKeyForConstant(TypeReference type, Object S) {
|
|
return getSelector(type).getInstanceKeyForConstant(type, S);
|
|
}
|
|
|
|
@Override
|
|
public InstanceKey getInstanceKeyForPEI(CGNode node, ProgramCounter instr, TypeReference type) {
|
|
assert getSelector(type) != null : "no instance keys for " + type;
|
|
return getSelector(type).getInstanceKeyForPEI(node, instr, type);
|
|
}
|
|
|
|
@Override
|
|
public InstanceKey getInstanceKeyForMetadataObject(Object obj, TypeReference objType) {
|
|
return getSelector(objType).getInstanceKeyForMetadataObject(obj, objType);
|
|
}
|
|
|
|
}
|