WALA/com.ibm.wala.core/src/com/ibm/wala/ipa/modref/DelegatingExtendedHeapModel...

125 lines
3.8 KiB
Java

/*******************************************************************************
* Copyright (c) 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.modref;
import java.util.Iterator;
import com.ibm.wala.classLoader.IField;
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.FilteredPointerKey;
import com.ibm.wala.ipa.callgraph.propagation.HeapModel;
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
import com.ibm.wala.ipa.cha.IClassHierarchy;
import com.ibm.wala.types.TypeReference;
/**
* An implementation of {@link ExtendedHeapModel} based on a
* normal {@link HeapModel}
*/
public class DelegatingExtendedHeapModel implements ExtendedHeapModel {
private final HeapModel h;
public DelegatingExtendedHeapModel(HeapModel h) {
if (h == null) {
throw new IllegalArgumentException("null h");
}
this.h = h;
}
@Override
public IClassHierarchy getClassHierarchy() {
return h.getClassHierarchy();
}
@Override
public FilteredPointerKey getFilteredPointerKeyForLocal(CGNode node, int valueNumber, FilteredPointerKey.TypeFilter filter) {
return h.getFilteredPointerKeyForLocal(node, valueNumber, filter);
}
@Override
public InstanceKey getInstanceKeyForAllocation(CGNode node, NewSiteReference allocation) {
return h.getInstanceKeyForAllocation(node, allocation);
}
@Override
public InstanceKey getInstanceKeyForMetadataObject(Object obj, TypeReference objType) {
return h.getInstanceKeyForMetadataObject(obj, objType);
}
@Override
public <T> InstanceKey getInstanceKeyForConstant(TypeReference type, T S) {
return h.getInstanceKeyForConstant(type, S);
}
@Override
public InstanceKey getInstanceKeyForMultiNewArray(CGNode node, NewSiteReference allocation, int dim) {
return h.getInstanceKeyForMultiNewArray(node, allocation, dim);
}
@Override
public InstanceKey getInstanceKeyForPEI(CGNode node, ProgramCounter instr, TypeReference type) {
if (node == null) {
throw new IllegalArgumentException("null node");
}
return h.getInstanceKeyForPEI(node, instr, type);
}
@Override
public PointerKey getPointerKeyForArrayContents(InstanceKey I) {
if (I == null) {
throw new IllegalArgumentException("I is null");
}
return h.getPointerKeyForArrayContents(I);
}
@Override
public PointerKey getPointerKeyForExceptionalReturnValue(CGNode node) {
return h.getPointerKeyForExceptionalReturnValue(node);
}
@Override
public PointerKey getPointerKeyForInstanceField(InstanceKey I, IField field) {
if (field == null) {
throw new IllegalArgumentException("field is null");
}
return h.getPointerKeyForInstanceField(I, field);
}
@Override
public PointerKey getPointerKeyForLocal(CGNode node, int valueNumber) {
return h.getPointerKeyForLocal(node, valueNumber);
}
@Override
public PointerKey getPointerKeyForReturnValue(CGNode node) {
return h.getPointerKeyForReturnValue(node);
}
@Override
public PointerKey getPointerKeyForStaticField(IField f) {
return h.getPointerKeyForStaticField(f);
}
@Override
public Iterator<PointerKey> iteratePointerKeys() {
return h.iteratePointerKeys();
}
@Override
public PointerKey getPointerKeyForArrayLength(InstanceKey I) {
return new ArrayLengthKey(I);
}
}