101 lines
3.6 KiB
Java
101 lines
3.6 KiB
Java
/*******************************************************************************
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* Copyright (c) 2013 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.js.vis;
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import java.util.ArrayList;
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import java.util.List;
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import com.ibm.wala.analysis.pointers.HeapGraph;
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import com.ibm.wala.cast.ipa.callgraph.AstGlobalPointerKey;
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import com.ibm.wala.cast.ipa.callgraph.ObjectPropertyCatalogKey;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.CallGraph;
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import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
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import com.ibm.wala.ipa.callgraph.propagation.PointerAnalysis;
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import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
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import com.ibm.wala.util.intset.MutableMapping;
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import com.ibm.wala.util.intset.OrdinalSetMapping;
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import com.ibm.wala.viz.viewer.PaPanel;
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/**
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* Augments the PaPanel with: 1) global pointer keys at the root level. 2) property catalog key for instance keys.
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* @author yinnonh
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*
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*/
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public class JsPaPanel extends PaPanel {
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private static final long serialVersionUID = 1L;
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private MutableMapping<List<ObjectPropertyCatalogKey>> instanceKeyIdToObjectPropertyCatalogKey = MutableMapping.<List<ObjectPropertyCatalogKey>> make();
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private List<AstGlobalPointerKey> globalsPointerKeys = new ArrayList<AstGlobalPointerKey>();
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public JsPaPanel(CallGraph cg, PointerAnalysis pa) {
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super(cg, pa);
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initDataStructures(pa);
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}
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private void initDataStructures(PointerAnalysis pa) {
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HeapGraph heapGraph = pa.getHeapGraph();
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OrdinalSetMapping<InstanceKey> instanceKeyMapping = pa.getInstanceKeyMapping();
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for (Object n : heapGraph){
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if (heapGraph.getPredNodeCount(n) == 0){
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if (n instanceof PointerKey){
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if (n instanceof ObjectPropertyCatalogKey){
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ObjectPropertyCatalogKey opck = (ObjectPropertyCatalogKey) n;
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InstanceKey instanceKey = opck.getObject();
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int instanceKeyId = instanceKeyMapping.getMappedIndex(instanceKey);
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mapUsingMutableMapping(instanceKeyIdToObjectPropertyCatalogKey, instanceKeyId, opck);
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} else if (n instanceof AstGlobalPointerKey){
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globalsPointerKeys.add((AstGlobalPointerKey) n);
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}
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} else {
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System.err.println("Non Pointer key root: " + n);
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}
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}
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}
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}
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protected List<PointerKey> getPointerKeysUnderInstanceKey(InstanceKey ik) {
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List<PointerKey> ret = new ArrayList<PointerKey>();
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ret.addAll(super.getPointerKeysUnderInstanceKey(ik));
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int ikIndex = pa.getInstanceKeyMapping().getMappedIndex(ik);
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ret.addAll(nonNullList(instanceKeyIdToObjectPropertyCatalogKey.getMappedObject(ikIndex)));
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return ret;
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}
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private String cgNodesRoot = "CGNodes";
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private String globalsRoot = "Globals";
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@Override
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protected List<Object> getRootNodes() {
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List<Object> ret = new ArrayList<Object>(2);
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ret.add(cgNodesRoot);
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ret.add(globalsRoot);
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return ret;
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}
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@Override
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protected List<Object> getChildrenFor(Object node) {
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List<Object> ret = new ArrayList<Object>();
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if (node == cgNodesRoot){
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for (int nodeId = 0 ; nodeId < cg.getNumberOfNodes(); nodeId++){
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CGNode cgNode = cg.getNode(nodeId);
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ret.add(cgNode);
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}
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} else if (node == globalsRoot){
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ret.addAll(globalsPointerKeys);
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} else {
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ret.addAll(super.getChildrenFor(node));
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}
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return ret;
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}
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}
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