WALA/com.ibm.wala.cast/source/java/com/ibm/wala/cast/ipa/callgraph/DelegatingAstPointerKeys.java

106 lines
3.6 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 com.ibm.wala.classLoader.*;
import com.ibm.wala.ipa.callgraph.*;
import com.ibm.wala.ipa.callgraph.propagation.*;
import com.ibm.wala.util.*;
import com.ibm.wala.util.collections.*;
import java.util.*;
public class DelegatingAstPointerKeys implements AstPointerKeyFactory {
private final PointerKeyFactory base;
public DelegatingAstPointerKeys(PointerKeyFactory base) {
this.base = base;
}
public PointerKey getPointerKeyForLocal(CGNode node, int valueNumber) {
return base.getPointerKeyForLocal(node, valueNumber);
}
public FilteredPointerKey getFilteredPointerKeyForLocal(CGNode node, int valueNumber, IClass filter) {
return base.getFilteredPointerKeyForLocal(node, valueNumber, filter);
}
public InstanceFilteredPointerKey getFilteredPointerKeyForLocal(CGNode node, int valueNumber, InstanceKey filter) {
return base.getFilteredPointerKeyForLocal(node, valueNumber, filter);
}
public PointerKey getPointerKeyForReturnValue(CGNode node){
return base.getPointerKeyForReturnValue(node);
}
public PointerKey getPointerKeyForExceptionalReturnValue(CGNode node) {
return base.getPointerKeyForExceptionalReturnValue(node);
}
public PointerKey getPointerKeyForStaticField(IField f) {
return base.getPointerKeyForStaticField(f);
}
public PointerKey getPointerKeyForObjectCatalog(InstanceKey I) {
return new ObjectPropertyCatalogKey(I);
}
private final Map specificStringKeys = new HashMap();
private final Map specificIndexKeys = new HashMap();
public PointerKey getPointerKeyForInstanceField(InstanceKey I, IField f) {
PointerKey fk = base.getPointerKeyForInstanceField(I, f);
if (! specificStringKeys.containsKey(f)) {
specificStringKeys.put(f, new HashSet());
}
((Set)specificStringKeys.get(f)).add(fk);
return fk;
}
public PointerKey getPointerKeyForArrayContents(InstanceKey I) {
return base.getPointerKeyForArrayContents(I);
}
public Iterator getPointerKeysForReflectedFieldRead(InstanceKey I, InstanceKey F) {
List result = new LinkedList();
// FIXME: current only constant string are handled
if (F instanceof ConstantKey) {
Object v = ((ConstantKey)F).getValue();
if (v instanceof String) {
IField f =
I.getConcreteType().getField(Atom.findOrCreateUnicodeAtom((String)v));
result.add( getPointerKeyForInstanceField(I, f) );
}
}
result.add(ReflectedFieldPointerKey.mapped(new ConcreteTypeKey(F.getConcreteType()), I));
return result.iterator();
}
public Iterator getPointerKeysForReflectedFieldWrite(InstanceKey I, InstanceKey F) {
// FIXME: current only constant string are handled
if (F instanceof ConstantKey) {
Object v = ((ConstantKey)F).getValue();
if (v instanceof String) {
IField f =
I.getConcreteType().getField(Atom.findOrCreateUnicodeAtom((String)v));
return new NonNullSingletonIterator(getPointerKeyForInstanceField(I, f));
}
}
return new NonNullSingletonIterator(ReflectedFieldPointerKey.mapped(new ConcreteTypeKey(F.getConcreteType()), I));
}
}