73 lines
2.2 KiB
Java
73 lines
2.2 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.cast.ipa.callgraph;
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import com.ibm.wala.ipa.callgraph.propagation.AbstractFieldPointerKey;
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import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
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public abstract class ReflectedFieldPointerKey extends AbstractFieldPointerKey {
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ReflectedFieldPointerKey(InstanceKey container) {
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super(container);
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}
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public abstract Object getFieldIdentifier();
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private static final Object arrayStateKey = new Object() {
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public String toString() { return "ArrayStateKey"; }
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};
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public boolean equals(Object obj) {
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if (obj == this) {
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return true;
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}
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if (obj instanceof ReflectedFieldPointerKey) {
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ReflectedFieldPointerKey other = (ReflectedFieldPointerKey) obj;
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return
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getFieldIdentifier().equals(other.getFieldIdentifier()) &&
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getInstanceKey().equals(other.getInstanceKey());
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} else {
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return false;
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}
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}
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public int hashCode() {
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return getFieldIdentifier().hashCode() ^ getInstanceKey().hashCode();
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}
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public String toString() { return "field:" + getFieldIdentifier(); }
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public static ReflectedFieldPointerKey literal(final String lit, InstanceKey instance) {
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return new ReflectedFieldPointerKey(instance) {
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public Object getFieldIdentifier() {
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return lit;
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}
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};
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}
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public static ReflectedFieldPointerKey mapped(final InstanceKey mapFrom, InstanceKey instance) {
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return new ReflectedFieldPointerKey(instance) {
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public Object getFieldIdentifier() {
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return mapFrom;
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}
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};
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}
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public static ReflectedFieldPointerKey index(InstanceKey instance) {
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return new ReflectedFieldPointerKey(instance) {
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public Object getFieldIdentifier() {
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return arrayStateKey;
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}
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};
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}
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}
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