System.out.println("###RETURN COMP LOC=" + returnLoc);
NTuple<Location> returnLocTuple = returnLoc.getTuple();
NTuple<Descriptor> baseTuple = mapMethodInvokeNodeToBaseTuple.get(min);
+ System.out.println("###basetuple=" + baseTuple);
NTuple<Descriptor> newReturnTuple = baseTuple.clone();
for (int i = 1; i < returnLocTuple.size(); i++) {
newReturnTuple.add(returnLocTuple.get(i).getLocDescriptor());
}
System.out.println("###NEW RETURN TUPLE FOR CALLER=" + newReturnTuple);
+
+ FlowReturnNode holderNode = callerFlowGraph.getFlowReturnNode(min);
+ NodeTupleSet holderTupleSet =
+ getNodeTupleSetFromReturnNode(getFlowGraph(mdCaller), holderNode);
+
callerFlowGraph.getFlowReturnNode(min).setNewTuple(newReturnTuple);
+
+ // then need to remove old constraints
+ // TODO SAT
+ System.out.println("###REMOVE OLD CONSTRAINTS=" + holderNode);
+ for (Iterator<NTuple<Descriptor>> iter = holderTupleSet.iterator(); iter.hasNext();) {
+ NTuple<Descriptor> tupleFromHolder = iter.next();
+ Set<FlowEdge> holderOutEdge = callerFlowGraph.getOutEdgeSet(holderNode);
+ for (Iterator iterator2 = holderOutEdge.iterator(); iterator2.hasNext();) {
+ FlowEdge outEdge = (FlowEdge) iterator2.next();
+ NTuple<Descriptor> toberemovedTuple = outEdge.getEndTuple();
+ System.out.println("---remove " + tupleFromHolder + " -> " + toberemovedTuple);
+ callerFlowGraph.removeEdge(tupleFromHolder, toberemovedTuple);
+ }
+ }
+
} else {
// if the return loc set was empty and later pcloc was connected to the return loc
// need to make sure that return loc reflects to this changes.
System.out.println("----- add global flow globalArgLocTuple=" + globalArgLocTuple
+ "-> globalParamLocTuple=" + globalParamLocTuple);
hasChanges = true;
+ System.out.println("B1");
globalGraph.addValueFlowEdge(globalArgLocTuple, globalParamLocTuple);
}
}
+ "-> globalParamLocTu!globalArgLocTuple.get(0).getLocDescriptor().equals(LITERALDESC)ple="
+ globalParamLocTuple);
hasChanges = true;
+ System.out.println("B2");
+
globalGraph.addValueFlowEdge(pcLocTuple, globalParamLocTuple);
}
}
MethodDescriptor md = (MethodDescriptor) targetLocalLoc.getDescriptor();
FlowGraph flowGraph = getFlowGraph(md);
+
FlowNode flowNode = flowGraph.getFlowNode(node.getDescTuple());
Set<FlowNode> reachableSet = flowGraph.getReachFlowNodeSetFrom(flowNode);
// Location loc = new Location(md, dstVarDesc);
// dstLocTuple.add(loc);
// }
+ System.out.println("B11");
globalGraph.addValueFlowEdge(srcLocTuple, dstLocTuple);
if (callerSrcNodeLocTuple != null && callerSrcNodeLocTuple.size() > 0) {
for (Iterator iterator2 = pcLocTupleSet.iterator(); iterator2.hasNext();) {
NTuple<Location> pcLocTuple = (NTuple<Location>) iterator2.next();
+ System.out.println("B12");
+
callerSubGlobalGraph.addValueFlowEdge(pcLocTuple, callerSrcNodeLocTuple);
}
}
GlobalFlowGraph calleeSubGlobalGraph = getSubGlobalFlowGraph(mdCallee);
GlobalFlowGraph callerSubGlobalGraph = getSubGlobalFlowGraph(mdCaller);
- // System.out.println("$addValueFlowFromCalleeNode calleeSrcNode=" + calleeSrcNode);
+ System.out.println("$addValueFlowFromCalleeNode calleeSrcNode=" + calleeSrcNode);
NTuple<Location> callerSrcNodeLocTuple =
translateToCallerLocTuple(min, mdCallee, mdCaller, calleeSrcNode.getLocTuple());
- // System.out.println("---callerSrcNodeLocTuple=" + callerSrcNodeLocTuple);
+ System.out.println("---callerSrcNodeLocTuple=" + callerSrcNodeLocTuple);
if (callerSrcNodeLocTuple != null && callerSrcNodeLocTuple.size() > 0) {
translateToCallerLocTuple(min, mdCallee, mdCaller, outNode.getLocTuple());
// System.out.println("outNode=" + outNode + " callerDstNodeLocTuple="
// + callerDstNodeLocTuple);
- if (callerDstNodeLocTuple != null) {
+ if (callerSrcNodeLocTuple != null && callerDstNodeLocTuple != null
+ && callerSrcNodeLocTuple.size() > 0 && callerDstNodeLocTuple.size() > 0) {
+ System.out.println("B3");
callerSubGlobalGraph.addValueFlowEdge(callerSrcNodeLocTuple, callerDstNodeLocTuple);
}
}
TypeDescriptor type = ((FieldDescriptor) desc).getType();
if (type.isArray()) {
- return false;
+ return !type.isPrimitive();
} else {
return type.isPtr();
}
} else if (desc instanceof VarDescriptor) {
TypeDescriptor type = ((VarDescriptor) desc).getType();
if (type.isArray()) {
- return false;
+ return !type.isPrimitive();
} else {
return type.isPtr();
}
private void constructHierarchyGraph() {
+ LinkedList<MethodDescriptor> methodDescList =
+ (LinkedList<MethodDescriptor>) toanalyze_methodDescList.clone();
+
+ while (!methodDescList.isEmpty()) {
+ MethodDescriptor md = methodDescList.removeLast();
+ if (state.SSJAVADEBUG) {
+ HierarchyGraph hierarchyGraph = new HierarchyGraph(md);
+ System.out.println();
+ System.out.println("SSJAVA: Construcing the hierarchy graph from " + md);
+ constructHierarchyGraph(md, hierarchyGraph);
+ mapDescriptorToHierarchyGraph.put(md, hierarchyGraph);
+
+ }
+ }
+
+ setupToAnalyze();
+ while (!toAnalyzeIsEmpty()) {
+ ClassDescriptor cd = toAnalyzeNext();
+ HierarchyGraph graph = getHierarchyGraph(cd);
+ for (Iterator iter = cd.getFields(); iter.hasNext();) {
+ FieldDescriptor fieldDesc = (FieldDescriptor) iter.next();
+ if (!(fieldDesc.isStatic() && fieldDesc.isFinal())) {
+ graph.getHNode(fieldDesc);
+ }
+ }
+ }
+
+ Set<Descriptor> keySet = mapDescriptorToHierarchyGraph.keySet();
+ for (Iterator iterator = keySet.iterator(); iterator.hasNext();) {
+ Descriptor key = (Descriptor) iterator.next();
+ HierarchyGraph graph = getHierarchyGraph(key);
+
+ Set<HNode> nodeToBeConnected = new HashSet<HNode>();
+ for (Iterator iterator2 = graph.getNodeSet().iterator(); iterator2.hasNext();) {
+ HNode node = (HNode) iterator2.next();
+ if (!node.isSkeleton() && !node.isCombinationNode()) {
+ if (graph.getIncomingNodeSet(node).size() == 0) {
+ nodeToBeConnected.add(node);
+ }
+ }
+ }
+
+ for (Iterator iterator2 = nodeToBeConnected.iterator(); iterator2.hasNext();) {
+ HNode node = (HNode) iterator2.next();
+ System.out.println("NEED TO BE CONNECTED TO TOP=" + node);
+ graph.addEdge(graph.getHNode(TOPDESC), node);
+ }
+
+ }
+
+ }
+
+ private void constructHierarchyGraph2() {
+
// do fixed-point analysis
LinkedList<MethodDescriptor> descriptorListToAnalyze = ssjava.getSortedDescriptors();
System.out.println("-srcCurTuple=" + srcCurTuple + " dstCurTuple=" + dstCurTuple
+ " srcNode=" + srcNode + " dstNode=" + dstNode);
+ // srcCurTuple = translateBaseTuple(srcNode, srcCurTuple);
+ // dstCurTuple = translateBaseTuple(dstNode, dstCurTuple);
+
if ((srcCurTuple.size() > 1 && dstCurTuple.size() > 1)
&& srcCurTuple.get(0).equals(dstCurTuple.get(0))) {
}
+ private NTuple<Descriptor> translateBaseTuple(FlowNode flowNode, NTuple<Descriptor> inTuple) {
+
+ if (flowNode.getBaseTuple() != null) {
+
+ NTuple<Descriptor> translatedTuple = new NTuple<Descriptor>();
+
+ NTuple<Descriptor> baseTuple = flowNode.getBaseTuple();
+
+ for (int i = 0; i < baseTuple.size(); i++) {
+ translatedTuple.add(baseTuple.get(i));
+ }
+
+ for (int i = 1; i < inTuple.size(); i++) {
+ translatedTuple.add(inTuple.get(i));
+ }
+
+ System.out.println("------TRANSLATED " + inTuple + " -> " + translatedTuple);
+ return translatedTuple;
+
+ } else {
+ return inTuple;
+ }
+
+ }
+
private MethodSummary getMethodSummary(MethodDescriptor md) {
if (!mapDescToLocationSummary.containsKey(md)) {
mapDescToLocationSummary.put(md, new MethodSummary(md));
if (!paramDescNOTHavingInFlowSet.contains(node.getCurrentDescTuple().get(0))) {
flowNodeLowerthanPCLocSet.add(node);
fg.addValueFlowEdge(pcDescTuple, node.getDescTuple());
+ System.out.println("B10");
+
subGlobalFlowGraph.addValueFlowEdge(pcLocTuple,
translateToLocTuple(md, node.getDescTuple()));
}
System.out.println("#########################################");
for (Iterator iterator = flowNodeLowerthanPCLocSet.iterator(); iterator.hasNext();) {
FlowNode lowerNode = (FlowNode) iterator.next();
- if (lowerNode.getCompositeLocation() == null) {
+ if (lowerNode.getDescTuple().size() == 1 && lowerNode.getCompositeLocation() == null) {
NTuple<Location> lowerLocTuple = translateToLocTuple(md, lowerNode.getDescTuple());
CompositeLocation newComp =
calculateCompositeLocationFromSubGlobalGraph(md, lowerNode);
fn.setDeclarationNode();
if (dn.getExpression() != null) {
+ System.out.println("-analyzeFlowDeclarationNode=" + dn.printNode(0));
NodeTupleSet nodeSetRHS = new NodeTupleSet();
analyzeFlowExpressionNode(md, nametable, dn.getExpression(), nodeSetRHS, null,
GlobalFlowGraph globalFlowGraph = getSubGlobalFlowGraph(md);
for (Iterator<NTuple<Location>> iterator = nodeSetRHS.globalIterator(); iterator.hasNext();) {
NTuple<Location> calleeReturnLocTuple = iterator.next();
+ System.out.println("B7");
+
globalFlowGraph.addValueFlowEdge(calleeReturnLocTuple, translateToLocTuple(md, tupleLHS));
}
+ for (Iterator<NTuple<Location>> iterator = implicitFlowTupleSet.globalIterator(); iterator
+ .hasNext();) {
+ NTuple<Location> implicitGlobalTuple = iterator.next();
+ System.out.println("B8");
+
+ globalFlowGraph.addValueFlowEdge(implicitGlobalTuple, translateToLocTuple(md, tupleLHS));
+ }
+
+ System.out.println("-nodeSetRHS=" + nodeSetRHS);
+ System.out.println("-implicitFlowTupleSet=" + implicitFlowTupleSet);
+
}
}
assert (baseNodeSet.size() == 1);
NTuple<Descriptor> baseTuple = baseNodeSet.iterator().next();
+ if (baseTuple.get(0) instanceof InterDescriptor) {
+ if (baseTuple.size() > 1) {
+ throw new Error();
+ }
+ FlowNode interNode = getFlowGraph(mdCaller).getFlowNode(baseTuple);
+ baseTuple = translateBaseTuple(interNode, baseTuple);
+ }
mapMethodInvokeNodeToBaseTuple.put(min, baseTuple);
if (!min.getMethod().isStatic()) {
// nodeSet.addTuple(inFlowTuple);
System.out.println("1CREATE A NEW TUPLE=" + inFlowTuple + " from="
+ mdCallee.getThis());
- tupleSet.addTuple(inFlowTuple);
+ // tupleSet.addTuple(inFlowTuple);
+ tupleSet.addTuple(baseTuple);
} else {
// TODO
System.out.println("returnNode=" + returnNode);
}
if (mdCallee.getReturnType() != null && !mdCallee.getReturnType().isVoid()) {
- FlowReturnNode setNode = getFlowGraph(mdCaller).createReturnNode(min);
+ FlowReturnNode returnHolderNode = getFlowGraph(mdCaller).createReturnNode(min);
if (needToGenerateInterLoc(tupleSet)) {
System.out.println("20");
}
}
- setNode.addTuple(interTuple);
- System.out.println("ADD TUPLESET=" + interTuple + " to returnnode=" + setNode);
+ returnHolderNode.addTuple(interTuple);
+ // TODO
+ nodeSet.addTuple(interTuple);
+ System.out.println("ADD TUPLESET=" + interTuple + " to returnnode=" + returnHolderNode);
} else {
- setNode.addTupleSet(tupleSet);
- System.out.println("ADD TUPLESET=" + tupleSet + " to returnnode=" + setNode);
-
+ returnHolderNode.addTupleSet(tupleSet);
+ System.out.println("ADD TUPLESET=" + tupleSet + " to returnnode=" + returnHolderNode);
}
// setNode.addTupleSet(tupleSet);
- nodeSet.addTuple(setNode.getDescTuple());
+ // NodeTupleSet setFromReturnNode=new NodeTupleSet();
+ // setFromReturnNode.addTuple(tuple);
+
+ NodeTupleSet holderTupleSet =
+ getNodeTupleSetFromReturnNode(getFlowGraph(mdCaller), returnHolderNode);
+ System.out.println("HOLDER TUPLe SET=" + holderTupleSet);
+ nodeSet.addTupleSet(holderTupleSet);
+
+ nodeSet.addTuple(returnHolderNode.getDescTuple());
}
// propagateFlowsFromCallee(min, md, min.getMethod());
}
+ private NodeTupleSet getNodeTupleSetFromReturnNode(FlowGraph fg, FlowReturnNode node) {
+ NodeTupleSet nts = new NodeTupleSet();
+
+ Set<NTuple<Descriptor>> returnSet = node.getReturnTupleSet();
+
+ for (Iterator iterator = returnSet.iterator(); iterator.hasNext();) {
+ NTuple<Descriptor> tuple = (NTuple<Descriptor>) iterator.next();
+ FlowNode flowNode = fg.getFlowNode(tuple);
+ if (flowNode instanceof FlowReturnNode) {
+ returnSet.addAll(recurGetNode(fg, (FlowReturnNode) flowNode));
+ } else {
+ returnSet.add(tuple);
+ }
+ }
+
+ for (Iterator iterator = returnSet.iterator(); iterator.hasNext();) {
+ NTuple<Descriptor> nTuple = (NTuple<Descriptor>) iterator.next();
+ nts.addTuple(nTuple);
+ }
+
+ return nts;
+
+ }
+
+ private Set<NTuple<Descriptor>> recurGetNode(FlowGraph fg, FlowReturnNode rnode) {
+
+ Set<NTuple<Descriptor>> tupleSet = new HashSet<NTuple<Descriptor>>();
+
+ Set<NTuple<Descriptor>> returnSet = rnode.getReturnTupleSet();
+ for (Iterator iterator = returnSet.iterator(); iterator.hasNext();) {
+ NTuple<Descriptor> tuple = (NTuple<Descriptor>) iterator.next();
+ FlowNode flowNode = fg.getFlowNode(tuple);
+ if (flowNode instanceof FlowReturnNode) {
+ tupleSet.addAll(recurGetNode(fg, (FlowReturnNode) flowNode));
+ }
+ tupleSet.add(tuple);
+ }
+
+ return tupleSet;
+ }
+
private NTuple<Descriptor> generateArgTuple(MethodDescriptor mdCaller, NodeTupleSet argTupleSet) {
int size = 0;
}
// Set<FlowNode> reachableSet = fg.getReachFlowNodeSetFrom(inNode);
Set<FlowNode> reachableSet = fg.getReachableSetFrom(inNode.getDescTuple());
- System.out.println("inNode=" + inNode + " reachalbeSet=" + reachableSet);
+ // System.out.println("inNode=" + inNode + " reachalbeSet=" + reachableSet);
for (Iterator iterator = reachableSet.iterator(); iterator.hasNext();) {
FlowNode fn = (FlowNode) iterator.next();
NTuple<Location> calleeReturnLocTuple = iterator.next();
for (Iterator<NTuple<Descriptor>> arrIter = expNodeTupleSet.iterator(); arrIter.hasNext();) {
NTuple<Descriptor> arrTuple = arrIter.next();
+ System.out.println("B4");
+
globalFlowGraph.addValueFlowEdge(calleeReturnLocTuple, translateToLocTuple(md, arrTuple));
}
}
if (needToGenerateInterLoc(nodeSetArrayAccessExp)) {
System.out.println("1");
- NTuple<Descriptor> interTuple = getFlowGraph(md).createIntermediateNode().getDescTuple();
+ FlowNode interNode = getFlowGraph(md).createIntermediateNode();
+ NTuple<Descriptor> interTuple = interNode.getDescTuple();
for (Iterator<NTuple<Descriptor>> iter = nodeSetArrayAccessExp.iterator(); iter.hasNext();) {
NTuple<Descriptor> higherTuple = iter.next();
if (base != null) {
fg.addMapInterLocNodeToEnclosingDescriptor(interTuple.get(0),
getClassTypeDescriptor(base.get(base.size() - 1)));
+ interNode.setBaseTuple(base);
}
}
}
for (Iterator<NTuple<Location>> iterator = idxNodeTupleSet.globalIterator(); iterator
.hasNext();) {
NTuple<Location> calleeReturnLocTuple = iterator.next();
+ System.out.println("B9");
+
globalFlowGraph.addValueFlowEdge(calleeReturnLocTuple,
translateToLocTuple(md, flowFieldTuple));
}
NTuple<Descriptor> callerLHSTuple = iter2.next();
System.out.println("$$$ GLOBAL FLOW ADD=" + calleeReturnLocTuple + " -> "
+ translateToLocTuple(md, callerLHSTuple));
+ System.out.println("B5");
+
globalFlowGraph.addValueFlowEdge(calleeReturnLocTuple,
translateToLocTuple(md, callerLHSTuple));
}
NTuple<Location> calleeReturnLocTuple = iterator.next();
for (Iterator<NTuple<Descriptor>> iter2 = nodeSetLHS.iterator(); iter2.hasNext();) {
NTuple<Descriptor> callerLHSTuple = iter2.next();
+ System.out.println("B6");
+
globalFlowGraph.addValueFlowEdge(calleeReturnLocTuple,
translateToLocTuple(md, callerLHSTuple));
System.out.println("$$$ GLOBAL FLOW PCLOC ADD=" + calleeReturnLocTuple + " -> "
projects / IRC.git / blobdiff