import IR.State;
import IR.SymbolTable;
import IR.TypeDescriptor;
+import IR.TypeUtil;
import IR.VarDescriptor;
import IR.Tree.ArrayAccessNode;
import IR.Tree.AssignmentNode;
public class LocationInference {
+ static int COUNT = 0;
+
State state;
SSJavaAnalysis ssjava;
+ TypeUtil tu;
List<ClassDescriptor> temp_toanalyzeList;
List<MethodDescriptor> temp_toanalyzeMethodList;
Map<MethodDescriptor, FlowGraph> mapMethodDescriptorToFlowGraph;
LinkedList<MethodDescriptor> toanalyze_methodDescList;
+ Set<ClassDescriptor> toanalyze_classDescSet;
+
+ // InheritanceTree<ClassDescriptor> inheritanceTree;
// map a method descriptor to its set of parameter descriptors
Map<MethodDescriptor, Set<Descriptor>> mapMethodDescriptorToParamDescSet;
private Map<MethodDescriptor, Boolean> mapMethodDescriptorToCompositeReturnCase;
+ private Map<MethodDescriptor, MethodDescriptor> mapMethodDescToHighestOverriddenMethodDesc;
+
+ private Map<MethodDescriptor, Set<MethodDescriptor>> mapHighestOverriddenMethodDescToMethodDescSet;
+
+ private Map<MethodDescriptor, NTuple<Descriptor>> mapHighestOverriddenMethodDescToReturnLocTuple;
+
+ private Map<MethodDescriptor, NTuple<Descriptor>> mapHighestOverriddenMethodDescToPCLocTuple;
+
+ private Map<MethodDescriptor, Set<NTuple<Descriptor>>> mapHighestOverriddenMethodDescToSetLowerThanPCLoc;
+
+ private Map<MethodDescriptor, Set<NTuple<Descriptor>>> mapHighestOverriddenMethodDescToSetHigherThanRETURNLoc;
+
public static final String GLOBALLOC = "GLOBALLOC";
public static final String INTERLOC = "INTERLOC";
private Stack<String> arrayAccessNodeStack;
- public LocationInference(SSJavaAnalysis ssjava, State state) {
+ private ClassDescriptor rootClassDescriptor;
+
+ private BuildLattice buildLattice;
+
+ public LocationInference(SSJavaAnalysis ssjava, State state, TypeUtil tu) {
this.ssjava = ssjava;
this.state = state;
+ this.tu = tu;
+ this.toanalyze_classDescSet = new HashSet<ClassDescriptor>();
this.temp_toanalyzeList = new ArrayList<ClassDescriptor>();
this.temp_toanalyzeMethodList = new ArrayList<MethodDescriptor>();
this.mapMethodDescriptorToFlowGraph = new HashMap<MethodDescriptor, FlowGraph>();
this.mapMethodDescriptorToCompositeReturnCase = new HashMap<MethodDescriptor, Boolean>();
+ mapMethodDescToHighestOverriddenMethodDesc = new HashMap<MethodDescriptor, MethodDescriptor>();
+
+ mapHighestOverriddenMethodDescToSetLowerThanPCLoc =
+ new HashMap<MethodDescriptor, Set<NTuple<Descriptor>>>();
+
+ mapHighestOverriddenMethodDescToMethodDescSet =
+ new HashMap<MethodDescriptor, Set<MethodDescriptor>>();
+
+ mapHighestOverriddenMethodDescToReturnLocTuple =
+ new HashMap<MethodDescriptor, NTuple<Descriptor>>();
+
+ mapHighestOverriddenMethodDescToPCLocTuple =
+ new HashMap<MethodDescriptor, NTuple<Descriptor>>();
+
+ mapHighestOverriddenMethodDescToSetHigherThanRETURNLoc =
+ new HashMap<MethodDescriptor, Set<NTuple<Descriptor>>>();
+
+ this.buildLattice = new BuildLattice(this);
+
}
public void setupToAnalyze() {
_debug_writeFlowGraph();
- // System.exit(0);
+ buildInheritanceTree();
+ calculateReturnPCLocInheritance();
constructHierarchyGraph();
- debug_writeHierarchyDotFiles();
+ addInheritanceConstraintsToHierarchyGraph();
- // System.exit(0);
+ debug_writeHierarchyDotFiles();
simplifyHierarchyGraph();
debug_writeSkeletonCombinationHierarchyDotFiles();
- buildLattice();
+ buildLatticeInheritanceTree();
+ // buildLattice();
debug_writeLattices();
generateAnnoatedCode();
+ for (Iterator iterator = cd2lattice.keySet().iterator(); iterator.hasNext();) {
+ ClassDescriptor cd = (ClassDescriptor) iterator.next();
+ SSJavaLattice<String> lattice = getLattice(cd);
+ HierarchyGraph hg = mapDescriptorToHierarchyGraph.get(cd);
+ // System.out.println("~~~\t" + cd + "\t" + lattice.getKeySet().size() + "\t"
+ // + hg.getNodeSet().size());
+ }
+
+ for (Iterator iterator = md2lattice.keySet().iterator(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ SSJavaLattice<String> locOrder = getLattice(md);
+ // writeLatticeDotFile(md.getClassDesc(), md, getMethodLattice(md));
+ HierarchyGraph hg = mapDescriptorToHierarchyGraph.get(md);
+ // System.out.println("~~~\t" + md.getClassDesc() + "_" + md + "\t"
+ // + locOrder.getKeySet().size() + "\t" + hg.getNodeSet().size());
+ }
+
System.exit(0);
}
+ private void calculateReturnPCLocInheritance() {
+ calculateHighestPCLocInheritance();
+ calculateLowestReturnLocInheritance();
+ updateFlowGraphPCReturnLocInheritance();
+ }
+
+ private void updateFlowGraphPCReturnLocInheritance() {
+
+ Set<MethodDescriptor> keySet = mapHighestOverriddenMethodDescToMethodDescSet.keySet();
+ for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
+ MethodDescriptor highestMethodDesc = (MethodDescriptor) iterator.next();
+
+ if (mapHighestOverriddenMethodDescToMethodDescSet.get(highestMethodDesc).size() == 1) {
+ continue;
+ }
+
+ Set<MethodDescriptor> methodDescSet =
+ mapHighestOverriddenMethodDescToMethodDescSet.get(highestMethodDesc);
+
+ NTuple<Descriptor> highestPCLocDescTuple =
+ mapHighestOverriddenMethodDescToPCLocTuple.get(highestMethodDesc);
+
+ NTuple<Descriptor> highestRETURNLocDescTuple =
+ mapHighestOverriddenMethodDescToReturnLocTuple.get(highestMethodDesc);
+
+ System.out.println("\n$$$$$$$$$$$$$$$$updateFlowGraphPCReturnLocInheritance="
+ + highestMethodDesc);
+ System.out.println("-----highestPCLoc=" + highestPCLocDescTuple);
+ System.out.println("-----highestRETURNLoc=" + highestRETURNLocDescTuple);
+
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator2.next();
+ System.out.println("\n --------MD=" + md);
+ FlowGraph flowGraph = getFlowGraph(md);
+
+ MethodSummary summary = getMethodSummary(md);
+ CompositeLocation curPCLoc = summary.getPCLoc();
+ NTuple<Descriptor> curPCDescTuple = translateToDescTuple(curPCLoc.getTuple());
+ System.out.println("md=" + md + " curPCLoc=" + curPCLoc);
+ System.out.println("highestPCLoc=" + highestPCLocDescTuple);
+
+ if (highestPCLocDescTuple == null) {
+ // this case: PCLOC is top
+ System.out.println("###SET PCLOC AS TOP");
+ if (curPCDescTuple != null && !curPCLoc.get(0).isTop()) {
+ FlowNode pcFlowNode = flowGraph.getFlowNode(curPCDescTuple);
+ flowGraph.removeNode(pcFlowNode);
+ }
+ summary.setPCLoc(new CompositeLocation(new Location(md, Location.TOP)));
+ } else {
+ NTuple<Descriptor> newPCDescTuple = new NTuple<Descriptor>();
+ if (highestPCLocDescTuple.size() == 1) {
+ newPCDescTuple.add(highestPCLocDescTuple.get(0));
+ } else {
+ newPCDescTuple.add(md.getThis());
+ newPCDescTuple.add(highestPCLocDescTuple.get(1));
+ }
+ if (!curPCDescTuple.equals(newPCDescTuple)) {
+ FlowNode pcFlowNode = flowGraph.getFlowNode(curPCDescTuple);
+ flowGraph.updateTuple(pcFlowNode, newPCDescTuple);
+ // flowGraph.removeNode(pcFlowNode);
+ Set<NTuple<Descriptor>> descSetLowerThanPCLoc =
+ mapHighestOverriddenMethodDescToSetLowerThanPCLoc.get(highestMethodDesc);
+ for (Iterator iterator3 = descSetLowerThanPCLoc.iterator(); iterator3.hasNext();) {
+ NTuple<Descriptor> lowerNTuple = (NTuple<Descriptor>) iterator3.next();
+ flowGraph.addValueFlowEdge(newPCDescTuple, lowerNTuple);
+ }
+ CompositeLocation newPCCompLoc =
+ new CompositeLocation(translateToLocTuple(md, newPCDescTuple));
+ summary.setPCLoc(newPCCompLoc);
+ }
+
+ }
+
+ // update return loc
+ if (highestRETURNLocDescTuple != null) {
+ CompositeLocation curRETURNLoc = summary.getRETURNLoc();
+ NTuple<Descriptor> curReturnDescTuple = translateToDescTuple(curRETURNLoc.getTuple());
+
+ if (!curReturnDescTuple.equals(highestRETURNLocDescTuple)) {
+ // handle the case that RETURNLOC is started with 'this'...
+ NTuple<Descriptor> newRETURNLocDescTuple = new NTuple<Descriptor>();
+ if (highestRETURNLocDescTuple.size() == 1) {
+ newRETURNLocDescTuple.add(highestRETURNLocDescTuple.get(0));
+ } else {
+ newRETURNLocDescTuple.add(md.getThis());
+ newRETURNLocDescTuple.add(highestRETURNLocDescTuple.get(1));
+ }
+
+ FlowNode returnFlowNode = flowGraph.getFlowNode(curReturnDescTuple);
+ flowGraph.updateTuple(returnFlowNode, newRETURNLocDescTuple);
+
+ Set<NTuple<Descriptor>> descSetHigherThanRETURNLoc =
+ mapHighestOverriddenMethodDescToSetHigherThanRETURNLoc.get(highestMethodDesc);
+ for (Iterator iterator3 = descSetHigherThanRETURNLoc.iterator(); iterator3.hasNext();) {
+ NTuple<Descriptor> higherNTuple = (NTuple<Descriptor>) iterator3.next();
+ flowGraph.addValueFlowEdge(higherNTuple, newRETURNLocDescTuple);
+ }
+
+ CompositeLocation newRETURNLocCompLoc =
+ new CompositeLocation(translateToLocTuple(md, newRETURNLocDescTuple));
+ summary.setRETURNLoc(newRETURNLocCompLoc);
+ }
+ }
+ }
+ }
+ }
+
+ private void calculateHighestPCLocInheritance() {
+
+ Set<MethodDescriptor> keySet = mapHighestOverriddenMethodDescToMethodDescSet.keySet();
+
+ Map<MethodDescriptor, Integer> mapMethodDescToParamCount =
+ new HashMap<MethodDescriptor, Integer>();
+
+ next: for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
+ MethodDescriptor highestMethodDesc = (MethodDescriptor) iterator.next();
+
+ NTuple<Descriptor> tempTuple = null;
+
+ if (getMethodSummary(highestMethodDesc).getPCLoc() != null) {
+
+ Set<MethodDescriptor> methodDescSet =
+ mapHighestOverriddenMethodDescToMethodDescSet.get(highestMethodDesc);
+
+ if (methodDescSet.size() > 1) {
+ System.out.println("---method desc set=" + methodDescSet + " from=" + highestMethodDesc);
+ } else {
+ continue next;
+ }
+
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator2.next();
+
+ FlowGraph flowGraph = getFlowGraph(md);
+ if (flowGraph == null) {
+ continue;
+ }
+ Set<FlowNode> paramNodeSet = flowGraph.getParamFlowNodeSet();
+ System.out.println("###md=" + md + " paramNodeSet=" + paramNodeSet);
+
+ CompositeLocation pcLOC = getMethodSummary(md).getPCLoc();
+ System.out.println("---pcLOC=" + pcLOC);
+
+ if (md.equals(highestMethodDesc)) {
+ mapHighestOverriddenMethodDescToPCLocTuple.put(highestMethodDesc,
+ translateToDescTuple(pcLOC.getTuple()));
+ }
+
+ if (!pcLOC.get(0).isTop()) {
+
+ FlowNode pcFlowNode = flowGraph.getFlowNode(translateToDescTuple(pcLOC.getTuple()));
+
+ int count = 0;
+ for (Iterator iterator3 = paramNodeSet.iterator(); iterator3.hasNext();) {
+ FlowNode paramNode = (FlowNode) iterator3.next();
+ if (flowGraph.getReachableSetFrom(pcFlowNode.getCurrentDescTuple().subList(0, 1))
+ .contains(paramNode)) {
+ count++;
+ }
+ }
+ mapMethodDescToParamCount.put(md, count);
+
+ } else {
+
+ // the PC location is top
+ // if one of pcloc among the method inheritance chain has the TOP,
+ // all methods in the same chain should have the TOP.
+ mapHighestOverriddenMethodDescToPCLocTuple.remove(highestMethodDesc);
+ // System.out.println("highest=" + highestMethodDesc + " HIGHEST PCLOC="
+ // + mapHighestOverriddenMethodDescToPCLocTuple.get(highestMethodDesc));
+
+ Set<NTuple<Descriptor>> descTupleSetLowerThanPC = new HashSet<NTuple<Descriptor>>();
+ for (Iterator iterator3 = paramNodeSet.iterator(); iterator3.hasNext();) {
+ FlowNode flowNode = (FlowNode) iterator3.next();
+ descTupleSetLowerThanPC.add(flowNode.getCurrentDescTuple());
+ }
+ mapHighestOverriddenMethodDescToSetLowerThanPCLoc.put(highestMethodDesc,
+ descTupleSetLowerThanPC);
+
+ continue next;
+ }
+ }
+
+ // identify which method in the inheritance chain has the highest PCLOC
+ // basically, finds a method that has the highest count or TOP location
+ int highestCount = -1;
+ MethodDescriptor methodDescHighestCount = null;
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor methodDesc = (MethodDescriptor) iterator2.next();
+ if (mapMethodDescToParamCount.containsKey(methodDesc)) {
+ int curCount = mapMethodDescToParamCount.get(methodDesc).intValue();
+ if (highestCount < curCount) {
+ highestCount = curCount;
+ methodDescHighestCount = methodDesc;
+ }
+ }
+ }
+
+ if (methodDescHighestCount != null) {
+ FlowGraph flowGraph = getFlowGraph(methodDescHighestCount);
+ CompositeLocation pcLOC = getMethodSummary(methodDescHighestCount).getPCLoc();
+ FlowNode pcFlowNode = flowGraph.getFlowNode(translateToDescTuple(pcLOC.getTuple()));
+ Set<FlowNode> reachableSet =
+ flowGraph.getReachableSetFrom(pcFlowNode.getCurrentDescTuple().subList(0, 1));
+
+ Set<FlowNode> reachableParamNodeSet = new HashSet<FlowNode>();
+ for (Iterator iterator3 = reachableSet.iterator(); iterator3.hasNext();) {
+ FlowNode flowNode = (FlowNode) iterator3.next();
+ if (flowGraph.isParameter(flowNode.getCurrentDescTuple())) {
+ reachableParamNodeSet.add(flowNode);
+ }
+
+ }
+
+ Set<NTuple<Descriptor>> descTupleSetLowerThanPC = new HashSet<NTuple<Descriptor>>();
+ for (Iterator iterator2 = reachableParamNodeSet.iterator(); iterator2.hasNext();) {
+ FlowNode flowNode = (FlowNode) iterator2.next();
+ descTupleSetLowerThanPC.add(flowNode.getCurrentDescTuple());
+ }
+
+ // mapHighestOverriddenMethodDescToPCLocTuple.remove(highestMethodDesc);
+ mapHighestOverriddenMethodDescToSetLowerThanPCLoc.put(highestMethodDesc,
+ descTupleSetLowerThanPC);
+ }
+
+ }
+
+ // System.out.println("####################################");
+ // System.out.println(" highest=" + highestMethodDesc + " HIGHEST PCLOC="
+ // + mapHighestOverriddenMethodDescToPCLocTuple.get(highestMethodDesc));
+ // System.out.println(" setLowerThanPCLoc="
+ // + mapHighestOverriddenMethodDescToSetLowerThanPCLoc.get(highestMethodDesc));
+ }
+
+ }
+
+ private void calculateLowestReturnLocInheritance() {
+
+ Set<MethodDescriptor> keySet = mapHighestOverriddenMethodDescToMethodDescSet.keySet();
+
+ Map<MethodDescriptor, Integer> mapMethodDescToParamCount =
+ new HashMap<MethodDescriptor, Integer>();
+
+ next: for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
+ MethodDescriptor highestMethodDesc = (MethodDescriptor) iterator.next();
+
+ Set<MethodDescriptor> methodDescSet =
+ mapHighestOverriddenMethodDescToMethodDescSet.get(highestMethodDesc);
+
+ if (methodDescSet.size() > 1 && getMethodSummary(highestMethodDesc).getRETURNLoc() != null) {
+ } else {
+ continue next;
+ }
+
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator2.next();
+
+ FlowGraph flowGraph = getFlowGraph(md);
+ Set<FlowNode> paramNodeSet = flowGraph.getParamFlowNodeSet();
+
+ CompositeLocation returnLoc = getMethodSummary(md).getRETURNLoc();
+
+ FlowNode returnFlowNode = flowGraph.getFlowNode(translateToDescTuple(returnLoc.getTuple()));
+
+ int count = 0;
+ for (Iterator iterator3 = paramNodeSet.iterator(); iterator3.hasNext();) {
+ FlowNode paramNode = (FlowNode) iterator3.next();
+ if (flowGraph.getReachableSetFrom(paramNode.getCurrentDescTuple().subList(0, 1))
+ .contains(returnFlowNode)) {
+ count++;
+ }
+ }
+ mapMethodDescToParamCount.put(md, count);
+ // System.out.println("###returnLoc=" + returnLoc + " count higher=" + count);
+ }
+
+ // identify which method in the inheritance chain has the highest PCLOC
+ // basically, finds a method that has the highest count or TOP location
+ int highestCount = -1;
+ MethodDescriptor methodDescHighestCount = null;
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor methodDesc = (MethodDescriptor) iterator2.next();
+ int curCount = mapMethodDescToParamCount.get(methodDesc).intValue();
+ if (highestCount < curCount) {
+ highestCount = curCount;
+ methodDescHighestCount = methodDesc;
+ }
+ }
+
+ if (methodDescHighestCount != null) {
+ FlowGraph flowGraph = getFlowGraph(methodDescHighestCount);
+ CompositeLocation returnLOC = getMethodSummary(methodDescHighestCount).getRETURNLoc();
+ NTuple<Descriptor> returnLocTuple = translateToDescTuple(returnLOC.getTuple());
+ FlowNode returnFlowNode = flowGraph.getFlowNode(returnLocTuple);
+
+ Set<FlowNode> curMethodParamNodeSet = flowGraph.getParamFlowNodeSet();
+ Set<NTuple<Descriptor>> descTupleSetHigherThanPC = new HashSet<NTuple<Descriptor>>();
+ for (Iterator iterator3 = curMethodParamNodeSet.iterator(); iterator3.hasNext();) {
+ FlowNode paramNode = (FlowNode) iterator3.next();
+ if (flowGraph.getReachableSetFrom(paramNode.getCurrentDescTuple().subList(0, 1))
+ .contains(returnFlowNode)) {
+ descTupleSetHigherThanPC.add(paramNode.getCurrentDescTuple());
+ }
+ }
+
+ mapHighestOverriddenMethodDescToReturnLocTuple.put(highestMethodDesc, returnLocTuple);
+ mapHighestOverriddenMethodDescToSetHigherThanRETURNLoc.put(highestMethodDesc,
+ descTupleSetHigherThanPC);
+
+ }
+
+ // System.out.println("####################################");
+ // System.out.println(" highest=" + highestMethodDesc + " LOWEST RETURNLOC="
+ // + mapHighestOverriddenMethodDescToReturnLocTuple.get(highestMethodDesc));
+ // System.out.println(" setHigherThanReturnLoc="
+ // + mapHighestOverriddenMethodDescToSetHigherThanRETURNLoc.get(highestMethodDesc));
+
+ }
+
+ }
+
+ private void addMapHighestMethodDescToMethodDesc(MethodDescriptor highest, MethodDescriptor md) {
+ if (!mapHighestOverriddenMethodDescToMethodDescSet.containsKey(highest)) {
+ mapHighestOverriddenMethodDescToMethodDescSet.put(highest, new HashSet<MethodDescriptor>());
+ }
+ mapHighestOverriddenMethodDescToMethodDescSet.get(highest).add(md);
+ }
+
+ private void DFSInheritanceTreeCalculatingHighestOverriddenMethod(ClassDescriptor cd) {
+
+ // ClassDescriptor cd = node.getData();
+
+ for (Iterator iterator = cd.getMethods(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ MethodDescriptor highestMethodDesc = getHighestOverriddenMethod(md.getClassDesc(), md);
+ mapMethodDescToHighestOverriddenMethodDesc.put(md, highestMethodDesc);
+ addMapHighestMethodDescToMethodDesc(highestMethodDesc, md);
+
+ }
+
+ // traverse children
+ Set<ClassDescriptor> children = getDirectSubClasses(cd);
+ for (Iterator iterator = children.iterator(); iterator.hasNext();) {
+ ClassDescriptor child = (ClassDescriptor) iterator.next();
+ DFSInheritanceTreeCalculatingHighestOverriddenMethod(child);
+ }
+
+ }
+
+ private MethodDescriptor getHighestOverriddenMethod(ClassDescriptor curClassDesc,
+ MethodDescriptor curMethodDesc) {
+
+ // Node<ClassDescriptor> curNode = inheritanceTree.getTreeNode(curClassDesc);
+ // Node<ClassDescriptor> parentNode = curNode.getParent();
+ ClassDescriptor parentClassDesc = curClassDesc.getSuperDesc();
+
+ if (parentClassDesc != null) {
+ if (parentClassDesc.getMethodTable().contains(curMethodDesc.getSymbol())) {
+ Set<MethodDescriptor> methodDescSet =
+ parentClassDesc.getMethodTable().getSet(curMethodDesc.getSymbol());
+ for (Iterator iterator = methodDescSet.iterator(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ if (md.matches(curMethodDesc)) {
+ return getHighestOverriddenMethod(parentClassDesc, md);
+ }
+ }
+ }
+ // traverse to the parent!
+ return getHighestOverriddenMethod(parentClassDesc, curMethodDesc);
+ }
+ return curMethodDesc;
+ }
+
+ private void buildInheritanceTree() {
+
+ DFSInheritanceTreeCalculatingHighestOverriddenMethod(rootClassDescriptor);
+
+ }
+
+ private void addInheritanceConstraintsToHierarchyGraph() {
+
+ // DFS the inheritance tree and propagates nodes/edges of parent to child
+
+ // Node<ClassDescriptor> rootNode = inheritanceTree.getRootNode();
+ DFSInheritanceTree(rootClassDescriptor);
+
+ }
+
+ private void DFSInheritanceTree(ClassDescriptor parentClassDescriptor) {
+
+ // ClassDescriptor parentClassDescriptor = parentNode.getData();
+
+ Set<ClassDescriptor> children = getDirectSubClasses(parentClassDescriptor);
+ for (Iterator iterator = children.iterator(); iterator.hasNext();) {
+ ClassDescriptor childClassDescriptor = (ClassDescriptor) iterator.next();
+
+ HierarchyGraph parentGraph = getHierarchyGraph(parentClassDescriptor);
+ HierarchyGraph childGraph = getHierarchyGraph(childClassDescriptor);
+
+ Set<HNode> parentNodeSet = parentGraph.getNodeSet();
+ for (Iterator iterator2 = parentNodeSet.iterator(); iterator2.hasNext();) {
+ HNode hNode = (HNode) iterator2.next();
+ childGraph.addNode(hNode);
+ }
+
+ // copies extra information from the parent hierarchy graph
+ Map<HNode, Set<HNode>> parentMergeNodeMap = parentGraph.getMapHNodetoMergeSet();
+ Map<HNode, Set<HNode>> childMergeNodeMap = childGraph.getMapHNodetoMergeSet();
+
+ Set<HNode> keySet = parentMergeNodeMap.keySet();
+ for (Iterator iterator2 = keySet.iterator(); iterator2.hasNext();) {
+ HNode parentKey = (HNode) iterator2.next();
+ if (!childMergeNodeMap.containsKey(parentKey)) {
+ childMergeNodeMap.put(parentKey, new HashSet<HNode>());
+ }
+ childMergeNodeMap.get(parentKey).addAll(parentMergeNodeMap.get(parentKey));
+ }
+
+ // copies nodes/edges from the parent class...
+ for (Iterator iterator2 = parentNodeSet.iterator(); iterator2.hasNext();) {
+ HNode parentHNode = (HNode) iterator2.next();
+
+ Set<HNode> parentIncomingHNode = parentGraph.getIncomingNodeSet(parentHNode);
+ Set<HNode> parentOutgoingHNode = parentGraph.getOutgoingNodeSet(parentHNode);
+
+ for (Iterator iterator3 = parentIncomingHNode.iterator(); iterator3.hasNext();) {
+ HNode inHNode = (HNode) iterator3.next();
+ childGraph.addEdge(inHNode.getDescriptor(), parentHNode.getDescriptor());
+ }
+
+ for (Iterator iterator3 = parentOutgoingHNode.iterator(); iterator3.hasNext();) {
+ HNode outHNode = (HNode) iterator3.next();
+ childGraph.addEdge(parentHNode.getDescriptor(), outHNode.getDescriptor());
+ }
+
+ }
+
+ // copies nodes/edges from parent methods to overridden methods
+
+ for (Iterator iterator3 = childClassDescriptor.getMethods(); iterator3.hasNext();) {
+ MethodDescriptor childMethodDescriptor = (MethodDescriptor) iterator3.next();
+
+ MethodDescriptor parentMethodDesc =
+ getParentMethodDesc(childMethodDescriptor.getClassDesc(), childMethodDescriptor);
+
+ if (parentMethodDesc != null) {
+
+ HierarchyGraph parentMethodGraph = getHierarchyGraph(parentMethodDesc);
+ HierarchyGraph childMethodGraph = getHierarchyGraph(childMethodDescriptor);
+
+ Set<HNode> parentMethodNodeSet = parentMethodGraph.getNodeSet();
+ for (Iterator iterator2 = parentMethodNodeSet.iterator(); iterator2.hasNext();) {
+ HNode hNode = (HNode) iterator2.next();
+ childMethodGraph.addNode(hNode);
+ }
+
+ // copies extra information from the parent hierarchy graph
+ Map<HNode, Set<HNode>> parentMethodMergeNodeMap =
+ parentMethodGraph.getMapHNodetoMergeSet();
+ Map<HNode, Set<HNode>> childMethodMergeNodeMap = childMethodGraph.getMapHNodetoMergeSet();
+
+ Set<HNode> methodKeySet = parentMethodMergeNodeMap.keySet();
+ for (Iterator iterator2 = methodKeySet.iterator(); iterator2.hasNext();) {
+ HNode parentKey = (HNode) iterator2.next();
+ if (!childMethodMergeNodeMap.containsKey(parentKey)) {
+ childMethodMergeNodeMap.put(parentKey, new HashSet<HNode>());
+ }
+ childMethodMergeNodeMap.get(parentKey).addAll(parentMethodMergeNodeMap.get(parentKey));
+ }
+
+ // copies nodes/edges from the parent method...
+ for (Iterator iterator2 = parentMethodGraph.getNodeSet().iterator(); iterator2.hasNext();) {
+ HNode parentHNode = (HNode) iterator2.next();
+
+ Set<HNode> parentIncomingHNode = parentMethodGraph.getIncomingNodeSet(parentHNode);
+ Set<HNode> parentOutgoingHNode = parentMethodGraph.getOutgoingNodeSet(parentHNode);
+
+ for (Iterator iterator4 = parentIncomingHNode.iterator(); iterator4.hasNext();) {
+ HNode inHNode = (HNode) iterator4.next();
+ childMethodGraph.addEdge(inHNode, parentHNode);
+ }
+
+ for (Iterator iterator4 = parentOutgoingHNode.iterator(); iterator4.hasNext();) {
+ HNode outHNode = (HNode) iterator4.next();
+ childMethodGraph.addEdge(parentHNode, outHNode);
+ }
+
+ }
+
+ }
+
+ }
+
+ DFSInheritanceTree(childClassDescriptor);
+ }
+
+ }
+
+ public MethodDescriptor getParentMethodDesc(ClassDescriptor classDesc, MethodDescriptor methodDesc) {
+
+ // Node<ClassDescriptor> childNode = inheritanceTree.getTreeNode(classDesc);
+ ClassDescriptor parentClassDesc = classDesc.getSuperDesc();
+ // Node<ClassDescriptor> parentNode = childNode.getParent();
+
+ if (parentClassDesc != null) {
+ // ClassDescriptor parentClassDesc = parentNode.getData();
+ if (parentClassDesc.getMethodTable().contains(methodDesc.getSymbol())) {
+ Set<MethodDescriptor> methodDescSet =
+ parentClassDesc.getMethodTable().getSet(methodDesc.getSymbol());
+ for (Iterator iterator = methodDescSet.iterator(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ if (md.matches(methodDesc)) {
+ return md;
+ }
+ }
+ }
+
+ // traverse to the parent!
+ getParentMethodDesc(parentClassDesc, methodDesc);
+
+ }
+
+ return null;
+ }
+
private void checkReturnNodes() {
LinkedList<MethodDescriptor> methodDescList =
(LinkedList<MethodDescriptor>) toanalyze_methodDescList.clone();
}
+ private void addSuperClasses(ClassDescriptor cd) {
+ ClassDescriptor parentClassDesc = cd.getSuperDesc();
+ if (parentClassDesc != null) {
+ toanalyze_classDescSet.add(parentClassDesc);
+ addSuperClasses(parentClassDesc);
+ }
+ }
+
private void updateFlowGraph() {
LinkedList<MethodDescriptor> methodDescList =
System.out.println("SSJAVA: Updating a flow graph: " + md);
propagateFlowsFromCalleesWithNoCompositeLocation(md);
}
+
+ Set<FlowNode> nodeSet = getFlowGraph(md).getNodeSet();
+ for (Iterator iterator = nodeSet.iterator(); iterator.hasNext();) {
+ FlowNode flowNode = (FlowNode) iterator.next();
+ NTuple<Descriptor> descTuple = flowNode.getCurrentDescTuple();
+ NTuple<Location> locTuple = translateToLocTuple(md, descTuple);
+ for (int i = 0; i < locTuple.size(); i++) {
+ Location loc = locTuple.get(i);
+ if (loc.getDescriptor() instanceof ClassDescriptor) {
+ ClassDescriptor classDesc = (ClassDescriptor) loc.getDescriptor();
+ toanalyze_classDescSet.add(classDesc);
+ addSuperClasses(classDesc);
+ } else if (loc.getDescriptor() instanceof MethodDescriptor) {
+ toanalyze_classDescSet.add(((MethodDescriptor) loc.getDescriptor()).getClassDesc());
+ }
+ }
+
+ }
+
}
}
Set<FlowNode> nodeSet = flowGraph.getNodeSet();
for (Iterator iterator = nodeSet.iterator(); iterator.hasNext();) {
FlowNode node = (FlowNode) iterator.next();
- // System.out.println("-node=" + node + " node.getDescTuple=" + node.getDescTuple());
+ System.out.println("-node=" + node + " node.getDescTuple=" + node.getDescTuple());
if (node.getCompositeLocation() != null) {
CompositeLocation compLoc = node.getCompositeLocation();
CompositeLocation updatedCompLoc = updateCompositeLocation(compLoc);
node.setCompositeLocation(updatedCompLoc);
- // System.out.println("---updatedCompLoc1=" + updatedCompLoc);
+ System.out.println("---updatedCompLoc1=" + updatedCompLoc);
} else {
NTuple<Descriptor> descTuple = node.getDescTuple();
- // System.out.println("update desc=" + descTuple);
+ System.out.println("update desc=" + descTuple);
CompositeLocation compLoc = convertToCompositeLocation(md, descTuple);
compLoc = updateCompositeLocation(compLoc);
node.setCompositeLocation(compLoc);
- // System.out.println("---updatedCompLoc2=" + compLoc);
+ System.out.println("---updatedCompLoc2=" + compLoc);
}
if (node.isDeclaratonNode()) {
String locName;
if (!enclosingDesc.equals(GLOBALDESC)) {
LocationSummary locSummary = getLocationSummary(enclosingDesc);
- HierarchyGraph scGraph = getSkeletonCombinationHierarchyGraph(enclosingDesc);
+ // HierarchyGraph scGraph = getSkeletonCombinationHierarchyGraph(enclosingDesc);
+ HierarchyGraph scGraph = getSimpleHierarchyGraph(enclosingDesc);
if (scGraph != null) {
HNode curNode = scGraph.getCurrentHNode(nodeIdentifier);
+ System.out.println("nodeID=" + nodeIdentifier + " curNode=" + curNode
+ + " enclosingDesc=" + enclosingDesc);
if (curNode != null) {
nodeIdentifier = curNode.getName();
}
}
- private CompositeLocation translateArgCompLocToParamCompLoc(MethodInvokeNode min,
- CompositeLocation argCompLoc) {
-
- System.out.println("--------translateArgCompLocToParamCompLoc argCompLoc=" + argCompLoc);
- MethodDescriptor mdCallee = min.getMethod();
- FlowGraph calleeFlowGraph = getFlowGraph(mdCallee);
-
- NTuple<Location> argLocTuple = argCompLoc.getTuple();
- Location argLocalLoc = argLocTuple.get(0);
-
- Map<Integer, NTuple<Descriptor>> mapIdxToArgTuple = mapMethodInvokeNodeToArgIdxMap.get(min);
- Set<Integer> idxSet = mapIdxToArgTuple.keySet();
- for (Iterator iterator2 = idxSet.iterator(); iterator2.hasNext();) {
- Integer idx = (Integer) iterator2.next();
-
- if (idx == 0 && !min.getMethod().isStatic()) {
- continue;
- }
-
- NTuple<Descriptor> argTuple = mapIdxToArgTuple.get(idx);
- if (argTuple.size() > 0 && argTuple.get(0).equals(argLocalLoc.getLocDescriptor())) {
- // it matches with the current argument composite location
- // so what is the corresponding parameter local descriptor?
- FlowNode paramNode = calleeFlowGraph.getParamFlowNode(idx);
- // System.out.println("----------found paramNode=" + paramNode);
- NTuple<Descriptor> paramDescTuple = paramNode.getCurrentDescTuple();
-
- NTuple<Location> newParamTupleFromArgTuple = translateToLocTuple(mdCallee, paramDescTuple);
- for (int i = 1; i < argLocTuple.size(); i++) {
- newParamTupleFromArgTuple.add(argLocTuple.get(i));
- }
-
- // System.out.println("-----------newParamTuple=" + newParamTupleFromArgTuple);
- return new CompositeLocation(newParamTupleFromArgTuple);
-
- }
- }
- return null;
- }
-
private void addAddtionalOrderingConstraints(MethodDescriptor mdCaller) {
// First, assign a composite location to a node in the flow graph
Location lastLocationOfPrefix = curPrefix.get(curPrefix.size() - 1);
// check whether prefix appears in the list of parameters
Set<MethodInvokeNode> minSet = mapMethodDescToMethodInvokeNodeSet.get(md);
+ System.out.println("$$$md=" + md + " minSet=" + minSet);
+ if (minSet == null) {
+ return false;
+ }
found: for (Iterator iterator = minSet.iterator(); iterator.hasNext();) {
MethodInvokeNode min = (MethodInvokeNode) iterator.next();
Map<Integer, NTuple<Descriptor>> map = mapMethodInvokeNodeToArgIdxMap.get(min);
}
- private boolean containsClassDesc(ClassDescriptor cd, NTuple<Location> prefixLocTuple) {
- for (int i = 0; i < prefixLocTuple.size(); i++) {
- Location loc = prefixLocTuple.get(i);
- Descriptor locDesc = loc.getLocDescriptor();
- if (locDesc != null) {
- ClassDescriptor type = getClassTypeDescriptor(locDesc);
- if (type != null && type.equals(cd)) {
- return true;
- }
- }
- }
- return false;
- }
-
private GlobalFlowGraph constructSubGlobalFlowGraph(FlowGraph flowGraph) {
MethodDescriptor md = flowGraph.getMethodDescriptor();
System.out.println("\nSSJAVA: generate method summary: " + md);
FlowGraph flowGraph = getFlowGraph(md);
+ if (flowGraph == null) {
+ continue;
+ }
MethodSummary methodSummary = getMethodSummary(md);
HierarchyGraph scGraph = getSkeletonCombinationHierarchyGraph(md);
return false;
}
- private CompositeLocation translateCompositeLocation(CompositeLocation compLoc) {
- CompositeLocation newCompLoc = new CompositeLocation();
-
- // System.out.println("compLoc=" + compLoc);
- for (int i = 0; i < compLoc.getSize(); i++) {
- Location loc = compLoc.get(i);
- Descriptor enclosingDescriptor = loc.getDescriptor();
- Descriptor locDescriptor = loc.getLocDescriptor();
-
- HNode hnode = getHierarchyGraph(enclosingDescriptor).getHNode(locDescriptor);
- // System.out.println("-hnode=" + hnode + " from=" + locDescriptor +
- // " enclosingDescriptor="
- // + enclosingDescriptor);
- // System.out.println("-getLocationSummary(enclosingDescriptor)="
- // + getLocationSummary(enclosingDescriptor));
- String locName = getLocationSummary(enclosingDescriptor).getLocationName(hnode.getName());
- // System.out.println("-locName=" + locName);
- Location newLoc = new Location(enclosingDescriptor, locName);
- newLoc.setLocDescriptor(locDescriptor);
- newCompLoc.addLocation(newLoc);
- }
-
- return newCompLoc;
- }
-
private void debug_writeLattices() {
Set<Descriptor> keySet = mapDescriptorToSimpleLattice.keySet();
// HierarchyGraph simpleHierarchyGraph = getSimpleHierarchyGraph(key);
HierarchyGraph scHierarchyGraph = getSkeletonCombinationHierarchyGraph(key);
if (key instanceof ClassDescriptor) {
- writeInferredLatticeDotFile((ClassDescriptor) key, scHierarchyGraph, simpleLattice,
- "_SIMPLE");
+ // writeInferredLatticeDotFile((ClassDescriptor) key, scHierarchyGraph, simpleLattice,
+ // "_SIMPLE");
} else if (key instanceof MethodDescriptor) {
MethodDescriptor md = (MethodDescriptor) key;
- writeInferredLatticeDotFile(md.getClassDesc(), md, scHierarchyGraph, simpleLattice,
- "_SIMPLE");
+ // writeInferredLatticeDotFile(md.getClassDesc(), md, scHierarchyGraph, simpleLattice,
+ // "_SIMPLE");
}
LocationSummary ls = getLocationSummary(key);
Set<ClassDescriptor> cdKeySet = cd2lattice.keySet();
for (Iterator iterator = cdKeySet.iterator(); iterator.hasNext();) {
ClassDescriptor cd = (ClassDescriptor) iterator.next();
+ System.out.println("########cd=" + cd);
writeInferredLatticeDotFile((ClassDescriptor) cd, getSkeletonCombinationHierarchyGraph(cd),
cd2lattice.get(cd), "");
+ COUNT += cd2lattice.get(cd).getKeySet().size();
}
Set<MethodDescriptor> mdKeySet = md2lattice.keySet();
MethodDescriptor md = (MethodDescriptor) iterator.next();
writeInferredLatticeDotFile(md.getClassDesc(), md, getSkeletonCombinationHierarchyGraph(md),
md2lattice.get(md), "");
+ COUNT += md2lattice.get(md).getKeySet().size();
+ }
+ System.out.println("###COUNT=" + COUNT);
+ }
+
+ private void buildLattice(Descriptor desc) {
+ System.out.println("buildLattice=" + desc);
+ SSJavaLattice<String> simpleLattice = buildLattice.buildLattice(desc);
+
+ addMapDescToSimpleLattice(desc, simpleLattice);
+
+ HierarchyGraph simpleHierarchyGraph = getSimpleHierarchyGraph(desc);
+ System.out.println("\n## insertIntermediateNodesToStraightLine:"
+ + simpleHierarchyGraph.getName());
+ SSJavaLattice<String> lattice =
+ buildLattice.insertIntermediateNodesToStraightLine(desc, simpleLattice);
+ lattice.removeRedundantEdges();
+
+ if (desc instanceof ClassDescriptor) {
+ // field lattice
+ cd2lattice.put((ClassDescriptor) desc, lattice);
+ // ssjava.writeLatticeDotFile((ClassDescriptor) desc, null, lattice);
+ } else if (desc instanceof MethodDescriptor) {
+ // method lattice
+ md2lattice.put((MethodDescriptor) desc, lattice);
+ MethodDescriptor md = (MethodDescriptor) desc;
+ ClassDescriptor cd = md.getClassDesc();
+ // ssjava.writeLatticeDotFile(cd, md, lattice);
}
}
private void buildLattice() {
- BuildLattice buildLattice = new BuildLattice(this);
-
Set<Descriptor> keySet = mapDescriptorToCombineSkeletonHierarchyGraph.keySet();
for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
Descriptor desc = (Descriptor) iterator.next();
// ssjava.writeLatticeDotFile(cd, md, lattice);
}
- // System.out.println("\nSSJAVA: Insering Combination Nodes:" + desc);
- // HierarchyGraph skeletonGraph = getSkeletonHierarchyGraph(desc);
- // HierarchyGraph skeletonGraphWithCombinationNode =
- // skeletonGraph.clone();
- // skeletonGraphWithCombinationNode.setName(desc + "_SC");
- //
- // HierarchyGraph simpleHierarchyGraph = getSimpleHierarchyGraph(desc);
- // System.out.println("Identifying Combination Nodes:");
- // skeletonGraphWithCombinationNode.insertCombinationNodesToGraph(simpleHierarchyGraph);
- // skeletonGraphWithCombinationNode.simplifySkeletonCombinationHierarchyGraph();
- // mapDescriptorToCombineSkeletonHierarchyGraph.put(desc,
- // skeletonGraphWithCombinationNode);
+ }
+
+ }
+
+ private void buildLatticeInheritanceTree() {
+ // DFS the inheritance tree and propagates lattice nodes/edges from the parent to children
+ // Node<ClassDescriptor> rootNode = inheritanceTree.getRootNode();
+ DFSBuildLatticeInheritanceTree(rootClassDescriptor);
+ }
+
+ public Set<ClassDescriptor> getDirectSubClasses(ClassDescriptor parent) {
+
+ Set<ClassDescriptor> result = new HashSet<ClassDescriptor>();
+
+ Set<ClassDescriptor> children = tu.getDirectSubClasses(parent);
+ if (children == null) {
+ children = new HashSet<ClassDescriptor>();
+ }
+
+ for (Iterator iterator = children.iterator(); iterator.hasNext();) {
+ ClassDescriptor child = (ClassDescriptor) iterator.next();
+ if (toanalyze_classDescSet.contains(child)) {
+ result.add(child);
+ }
+ }
+
+ return result;
+ }
+
+ private void DFSBuildLatticeInheritanceTree(ClassDescriptor cd) {
+ // ClassDescriptor cd = node.getData();
+
+ ClassDescriptor parentClassDesc = cd.getSuperDesc();
+ if (parentClassDesc != null) {
+ Map<TripleItem, String> parentMap = buildLattice.getIntermediateLocMap(parentClassDesc);
+ buildLattice.setIntermediateLocMap(cd, parentMap);
+ }
+
+ buildLattice(cd);
+
+ for (Iterator iterator = cd.getMethods(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ if (toanalyze_methodDescList.contains(md)) {
+ MethodDescriptor parentMethodDesc = getParentMethodDesc(md.getClassDesc(), md);
+ if (parentMethodDesc != null) {
+ Map<TripleItem, String> parentMap = buildLattice.getIntermediateLocMap(parentMethodDesc);
+ Map<TripleItem, String> childMap = new HashMap<TripleItem, String>();
+ Set<TripleItem> keySet = parentMap.keySet();
+ for (Iterator iterator2 = keySet.iterator(); iterator2.hasNext();) {
+ TripleItem key = (TripleItem) iterator2.next();
+ childMap.put(key, parentMap.get(key));
+ }
+ buildLattice.setIntermediateLocMap(md, childMap);
+ }
+ buildLattice(md);
+ }
+ }
+
+ // traverse children
+ Set<ClassDescriptor> children = tu.getDirectSubClasses(cd);
+ if (children != null) {
+ for (Iterator iterator = children.iterator(); iterator.hasNext();) {
+ ClassDescriptor classDescriptor = (ClassDescriptor) iterator.next();
+ if (toanalyze_classDescSet.contains(classDescriptor)) {
+ DFSBuildLatticeInheritanceTree(classDescriptor);
+ } else {
+ if (classDescriptor.isAbstract()) {
+ DFSBuildLatticeInheritanceTree(classDescriptor);
+ }
+ }
+ }
}
}
Set<Descriptor> keySet = mapDescriptorToSkeletonHierarchyGraph.keySet();
for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
Descriptor desc = (Descriptor) iterator.next();
- System.out.println("\nSSJAVA: Insering Combination Nodes:" + desc);
+ System.out.println("\nSSJAVA: Inserting Combination Nodes:" + desc);
HierarchyGraph skeletonGraph = getSkeletonHierarchyGraph(desc);
HierarchyGraph skeletonGraphWithCombinationNode = skeletonGraph.clone();
skeletonGraphWithCombinationNode.setName(desc + "_SC");
HierarchyGraph simpleHierarchyGraph = getSimpleHierarchyGraph(desc);
- System.out.println("Identifying Combination Nodes:");
skeletonGraphWithCombinationNode.insertCombinationNodesToGraph(simpleHierarchyGraph);
- skeletonGraphWithCombinationNode.simplifySkeletonCombinationHierarchyGraph();
+ // skeletonGraphWithCombinationNode.insertCombinationNodesToGraph(simpleHierarchyGraph,
+ // skeletonGraph);
+ // skeletonGraphWithCombinationNode.simplifySkeletonCombinationHierarchyGraph();
+ skeletonGraphWithCombinationNode.removeRedundantEdges();
mapDescriptorToCombineSkeletonHierarchyGraph.put(desc, skeletonGraphWithCombinationNode);
}
}
HierarchyGraph skeletonGraph = simpleGraph.generateSkeletonGraph();
skeletonGraph.setMapDescToHNode(simpleGraph.getMapDescToHNode());
skeletonGraph.setMapHNodeToDescSet(simpleGraph.getMapHNodeToDescSet());
- skeletonGraph.simplifyHierarchyGraph();
- // skeletonGraph.combineRedundantNodes(false);
- // skeletonGraph.removeRedundantEdges();
+ skeletonGraph.simplifyHierarchyGraph(this);
mapDescriptorToSkeletonHierarchyGraph.put(desc, skeletonGraph);
}
}
+ private void recurUpAccumulateInheritanceDesc(Descriptor curDesc, Set<Descriptor> set) {
+
+ if (curDesc instanceof ClassDescriptor) {
+ ClassDescriptor cd = (ClassDescriptor) curDesc;
+ ClassDescriptor parentClassDesc = cd.getSuperDesc();
+ if (parentClassDesc != null && !parentClassDesc.equals(rootClassDescriptor)) {
+ set.add(parentClassDesc);
+ recurUpAccumulateInheritanceDesc(parentClassDesc, set);
+ }
+ } else {
+ MethodDescriptor md = (MethodDescriptor) curDesc;
+ ClassDescriptor cd = md.getClassDesc();
+
+ // traverse up
+ ClassDescriptor parentClassDesc = cd.getSuperDesc();
+ if (parentClassDesc != null && !parentClassDesc.equals(rootClassDescriptor)) {
+
+ Set<MethodDescriptor> methodDescSet =
+ parentClassDesc.getMethodTable().getSet(md.getSymbol());
+ for (Iterator iterator = methodDescSet.iterator(); iterator.hasNext();) {
+ MethodDescriptor parentMethodDesc = (MethodDescriptor) iterator.next();
+ if (parentMethodDesc.matches(md)) {
+ set.add(parentMethodDesc);
+ recurUpAccumulateInheritanceDesc(parentMethodDesc, set);
+ }
+ }
+ }
+
+ }
+
+ }
+
+ private void recurDownAccumulateInheritanceDesc(Descriptor curDesc, Set<Descriptor> set) {
+
+ if (curDesc instanceof ClassDescriptor) {
+ ClassDescriptor cd = (ClassDescriptor) curDesc;
+ ClassDescriptor parentClassDesc = cd.getSuperDesc();
+ Set<ClassDescriptor> directSubClasses = tu.getDirectSubClasses(cd);
+ for (Iterator iterator = directSubClasses.iterator(); iterator.hasNext();) {
+ ClassDescriptor child = (ClassDescriptor) iterator.next();
+ recurDownAccumulateInheritanceDesc(child, set);
+ }
+ } else {
+ MethodDescriptor md = (MethodDescriptor) curDesc;
+ ClassDescriptor cd = md.getClassDesc();
+
+ // traverse down
+ Set<ClassDescriptor> directSubClasses = tu.getDirectSubClasses(cd);
+ for (Iterator iterator = directSubClasses.iterator(); iterator.hasNext();) {
+ ClassDescriptor child = (ClassDescriptor) iterator.next();
+
+ Set<MethodDescriptor> methodDescSet = child.getMethodTable().getSet(md.getSymbol());
+ for (Iterator iterator2 = methodDescSet.iterator(); iterator2.hasNext();) {
+ MethodDescriptor childMethodDesc = (MethodDescriptor) iterator2.next();
+ if (childMethodDesc.matches(md)) {
+ set.add(childMethodDesc);
+ recurDownAccumulateInheritanceDesc(childMethodDesc, set);
+ }
+ }
+ }
+
+ }
+
+ }
+
+ private void accumulateInheritanceDesc(Descriptor curDesc, Set<Descriptor> set) {
+
+ recurUpAccumulateInheritanceDesc(curDesc, set);
+ recurDownAccumulateInheritanceDesc(curDesc, set);
+
+ }
+
+ public boolean isValidMergeInheritanceCheck(Descriptor desc, Set<HNode> mergeSet) {
+
+ // set up inheritance chain set...
+ Set<Descriptor> inheritanceDescSet = new HashSet<Descriptor>();
+ recurUpAccumulateInheritanceDesc(desc, inheritanceDescSet);
+
+ nextgraph: for (Iterator iterator = inheritanceDescSet.iterator(); iterator.hasNext();) {
+ Descriptor inheritDesc = (Descriptor) iterator.next();
+
+ if (!desc.equals(inheritDesc)) {
+ HierarchyGraph graph = getSkeletonCombinationHierarchyGraph(inheritDesc);
+
+ // first check whether this graph includes all elements of the merge set
+ for (Iterator iterator2 = mergeSet.iterator(); iterator2.hasNext();) {
+ HNode node = (HNode) iterator2.next();
+ if (!graph.contains(node)) {
+ continue nextgraph;
+ }
+ }
+
+ HNode firstNode = mergeSet.iterator().next();
+
+ Set<HNode> incomingNode = graph.getIncomingNodeSet(firstNode);
+ Set<HNode> outgoingNode = graph.getOutgoingNodeSet(firstNode);
+
+ for (Iterator iterator2 = mergeSet.iterator(); iterator2.hasNext();) {
+ HNode node = (HNode) iterator2.next();
+
+ if (!graph.getIncomingNodeSet(node).equals(incomingNode)
+ || !graph.getOutgoingNodeSet(node).equals(outgoingNode)) {
+ return false;
+ }
+
+ }
+ }
+
+ }
+
+ return true;
+ }
+
private void debug_writeHierarchyDotFiles() {
Set<Descriptor> keySet = mapDescriptorToHierarchyGraph.keySet();
Descriptor desc = (Descriptor) iterator.next();
getHierarchyGraph(desc).writeGraph();
getSimpleHierarchyGraph(desc).writeGraph();
+ getSimpleHierarchyGraph(desc).writeGraph(true);
}
}
NTuple<Descriptor> srcCurTuple = srcNode.getCurrentDescTuple();
NTuple<Descriptor> dstCurTuple = dstNode.getCurrentDescTuple();
+ // //////////////////////////
+ // inheritance check
+ if (mapMethodDescToHighestOverriddenMethodDesc.containsKey(md)) {
+
+ MethodDescriptor highestOverriddenMethodDesc =
+ mapMethodDescToHighestOverriddenMethodDesc.get(md);
+
+ if (srcCurTuple.get(srcCurTuple.size() - 1).getSymbol().startsWith(PCLOC)) {
+ }
+
+ }
+ // //////////////////////////
+
System.out.println("-srcCurTuple=" + srcCurTuple + " dstCurTuple=" + dstCurTuple
+ " srcNode=" + srcNode + " dstNode=" + dstNode);
Map<String, Set<String>> map = lattice.getTable();
Set<String> keySet = map.keySet();
+
+ System.out.println("@generateLatticeDefinition=" + desc + " map=" + map);
+
boolean first = true;
for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
String key = (String) iterator.next();
}
SSJavaLattice<String> methodLattice = md2lattice.get(md);
+ System.out.println("md=" + md + " methodLattice=" + methodLattice);
if (methodLattice != null) {
int methodDefLine = md.getLineNum();
Map<Descriptor, CompositeLocation> mapVarDescToInferLoc =
methodSummary.getMapVarDescToInferCompositeLocation();
- System.out.println("-----md=" + md);
+ System.out.println("-----md=" + md + " methodDefLine=" + methodDefLine);
System.out.println("-----mapVarDescToInferLoc=" + mapVarDescToInferLoc);
Set<Descriptor> localVarDescSet = mapVarDescToInferLoc.keySet();
private void calculateExtraLocations() {
- LinkedList<MethodDescriptor> methodDescList = ssjava.getSortedDescriptors();
+ // LinkedList<MethodDescriptor> methodDescList = ssjava.getSortedDescriptors();
+ LinkedList<MethodDescriptor> methodDescList =
+ (LinkedList<MethodDescriptor>) toanalyze_methodDescList.clone();
for (Iterator iterator = methodDescList.iterator(); iterator.hasNext();) {
MethodDescriptor md = (MethodDescriptor) iterator.next();
if (!ssjava.getMethodContainingSSJavaLoop().equals(md)) {
fg.getFlowNode(translateToDescTuple(pcLocTuple)).setSkeleton(true);
if (pcLocTuple.get(0).getLocDescriptor().equals(md.getThis())) {
- System.out.println("#########################################");
for (Iterator iterator = flowNodeLowerthanPCLocSet.iterator(); iterator.hasNext();) {
FlowNode lowerNode = (FlowNode) iterator.next();
if (lowerNode.getDescTuple().size() == 1 && lowerNode.getCompositeLocation() == null) {
}
}
- private boolean coversAllParamters(MethodDescriptor md, FlowGraph fg,
- Set<NTuple<Location>> paramLocTupleHavingInFlowSet) {
+ private int countFirstDescriptorSetSize(Set<NTuple<Location>> set) {
- int numParam = fg.getNumParameters();
- int size = paramLocTupleHavingInFlowSet.size();
+ Set<Descriptor> descSet = new HashSet<Descriptor>();
- if (!md.isStatic()) {
+ for (Iterator iterator = set.iterator(); iterator.hasNext();) {
+ NTuple<Location> locTuple = (NTuple<Location>) iterator.next();
+ descSet.add(locTuple.get(0).getLocDescriptor());
+ }
- // if the method is not static && there is a parameter composite location &&
- // it is started with 'this',
- // paramLocTupleHavingInFlowSet need to have 'this' parameter.
+ return descSet.size();
+ }
- FlowNode thisParamNode = fg.getParamFlowNode(0);
- NTuple<Location> thisParamLocTuple =
- translateToLocTuple(md, thisParamNode.getCurrentDescTuple());
+ private boolean coversAllParamters(MethodDescriptor md, FlowGraph fg,
+ Set<NTuple<Location>> paramLocTupleHavingInFlowSet) {
- if (!paramLocTupleHavingInFlowSet.contains(thisParamLocTuple)) {
+ int numParam = fg.getNumParameters();
+ // int size = paramLocTupleHavingInFlowSet.size();
+ int size = countFirstDescriptorSetSize(paramLocTupleHavingInFlowSet);
- for (Iterator iterator = paramLocTupleHavingInFlowSet.iterator(); iterator.hasNext();) {
- NTuple<Location> paramTuple = (NTuple<Location>) iterator.next();
- if (paramTuple.size() > 1 && paramTuple.get(0).getLocDescriptor().equals(md.getThis())) {
- // paramLocTupleHavingInFlowSet.add(thisParamLocTuple);
- // break;
- size++;
- }
- }
+ System.out.println("numParam=" + numParam + " size=" + size);
- }
- }
+ // if (!md.isStatic()) {
+ //
+ // // if the method is not static && there is a parameter composite location &&
+ // // it is started with 'this',
+ // // paramLocTupleHavingInFlowSet need to have 'this' parameter.
+ //
+ // FlowNode thisParamNode = fg.getParamFlowNode(0);
+ // NTuple<Location> thisParamLocTuple =
+ // translateToLocTuple(md, thisParamNode.getCurrentDescTuple());
+ //
+ // if (!paramLocTupleHavingInFlowSet.contains(thisParamLocTuple)) {
+ //
+ // for (Iterator iterator = paramLocTupleHavingInFlowSet.iterator(); iterator.hasNext();) {
+ // NTuple<Location> paramTuple = (NTuple<Location>) iterator.next();
+ // if (paramTuple.size() > 1 && paramTuple.get(0).getLocDescriptor().equals(md.getThis())) {
+ // // paramLocTupleHavingInFlowSet.add(thisParamLocTuple);
+ // // break;
+ // size++;
+ // }
+ // }
+ //
+ // }
+ // }
if (size == numParam) {
return true;
return false;
}
- private SSJavaLattice<String> getLattice(Descriptor d) {
+ public SSJavaLattice<String> getLattice(Descriptor d) {
if (d instanceof MethodDescriptor) {
return getMethodLattice((MethodDescriptor) d);
} else {
while (!toAnalyzeIsEmpty()) {
ClassDescriptor cd = toAnalyzeNext();
+ if (cd.getClassName().equals("Object")) {
+ rootClassDescriptor = cd;
+ // inheritanceTree = new InheritanceTree<ClassDescriptor>(cd);
+ }
+
setupToAnalazeMethod(cd);
temp_toanalyzeMethodList.removeAll(visited);
// hack... it seems that there is a problem with topological sorting.
// so String.toString(Object o) is appeared too higher in the call chain.
- MethodDescriptor mdToString = null;
+ MethodDescriptor mdToString1 = null;
+ MethodDescriptor mdToString2 = null;
for (Iterator iterator = toanalyze_methodDescList.iterator(); iterator.hasNext();) {
MethodDescriptor md = (MethodDescriptor) iterator.next();
if (md.toString().equals("public static String String.valueOf(Object o)")) {
- mdToString = md;
- break;
+ mdToString1 = md;
+ }
+ if (md.toString().equals("public String Object.toString()")) {
+ mdToString2 = md;
}
}
- if (mdToString != null) {
- toanalyze_methodDescList.remove(mdToString);
- toanalyze_methodDescList.addLast(mdToString);
+
+ if (mdToString1 != null) {
+ toanalyze_methodDescList.remove(mdToString1);
+ toanalyze_methodDescList.addLast(mdToString1);
+ }
+ if (mdToString2 != null) {
+ toanalyze_methodDescList.remove(mdToString2);
+ toanalyze_methodDescList.addLast(mdToString2);
}
LinkedList<MethodDescriptor> methodDescList =
private void analyzeFlowIfStatementNode(MethodDescriptor md, SymbolTable nametable,
IfStatementNode isn, NodeTupleSet implicitFlowTupleSet) {
- System.out.println("analyzeFlowIfStatementNode=" + isn.printNode(0));
+ // System.out.println("analyzeFlowIfStatementNode=" + isn.printNode(0));
NodeTupleSet condTupleNode = new NodeTupleSet();
analyzeFlowExpressionNode(md, nametable, isn.getCondition(), condTupleNode, null,
break;
case Kind.CreateObjectNode:
- analyzeCreateObjectNode(md, nametable, (CreateObjectNode) en);
+ analyzeCreateObjectNode(md, nametable, (CreateObjectNode) en, nodeSet, implicitFlowTupleSet);
break;
case Kind.ArrayAccessNode:
}
private void analyzeCreateObjectNode(MethodDescriptor md, SymbolTable nametable,
- CreateObjectNode en) {
- // TODO Auto-generated method stub
+ CreateObjectNode en, NodeTupleSet nodeSet, NodeTupleSet implicitFlowTupleSet) {
+ System.out.println("#analyzeCreateObjectNode=" + en.printNode(0));
+ int numArgs = en.numArgs();
+ NodeTupleSet argSet = new NodeTupleSet();
+ for (int i = 0; i < numArgs; i++) {
+ analyzeFlowExpressionNode(md, nametable, en.getArg(i), argSet, null, implicitFlowTupleSet,
+ false);
+ }
+
+ System.out.println("###argSet=" + argSet);
+ nodeSet.addTupleSet(argSet);
+
+ // TODO Auto-generated method stub
}
private void analyzeFlowOpNode(MethodDescriptor md, SymbolTable nametable, OpNode on,
String fileName = "lattice_";
if (md != null) {
fileName +=
- /* cd.getSymbol().replaceAll("[\\W_]", "") + "_" + */md.toString().replaceAll("[\\W_]", "");
+ cd.getSymbol().replaceAll("[\\W_]", "") + "_" + md.toString().replaceAll("[\\W_]", "");
} else {
fileName += cd.getSymbol().replaceAll("[\\W_]", "");
}
fileName += nameSuffix;
+ System.out.println("***lattice=" + fileName + " setsize=" + locOrder.getKeySet().size());
+
Set<Pair<String, String>> pairSet = locOrder.getOrderingPairSet();
Set<String> addedLocSet = new HashSet<String>();
projects / IRC.git / blobdiff