import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
+import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
+import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Vector;
import Analysis.CallGraph.CallGraph;
import Analysis.Loops.GlobalFieldType;
-import Analysis.Loops.LoopFinder;
import Analysis.Loops.LoopOptimize;
import Analysis.Loops.LoopTerminate;
import IR.AnnotationDescriptor;
public static final String THISLOC = "THISLOC";
public static final String GLOBALLOC = "GLOBALLOC";
public static final String RETURNLOC = "RETURNLOC";
+ public static final String PCLOC = "PCLOC";
public static final String LOC = "LOC";
public static final String DELTA = "DELTA";
public static final String TERMINATE = "TERMINATE";
// the set of method descriptors annotated as "TRUST"
Set<MethodDescriptor> trustWorthyMDSet;
+ // method -> the initial program counter location
+ Map<MethodDescriptor, CompositeLocation> md2pcLoc;
+
// points to method containing SSJAVA Loop
private MethodDescriptor methodContainingSSJavaLoop;
private LinkedList<MethodDescriptor> sortedDescriptors;
+ private Map<Location, Set<Descriptor>> mapSharedLocToDescSet;
+
public SSJavaAnalysis(State state, TypeUtil tu, BuildFlat bf, CallGraph callgraph) {
this.state = state;
this.tu = tu;
this.sameHeightWriteFlatNodeSet = new HashSet<FlatNode>();
this.mapDescriptorToSetDependents = new Hashtable<Descriptor, Set<MethodDescriptor>>();
this.sortedDescriptors = new LinkedList<MethodDescriptor>();
+ this.md2pcLoc = new HashMap<MethodDescriptor, CompositeLocation>();
+ this.mapSharedLocToDescSet = new HashMap<Location, Set<Descriptor>>();
}
public void doCheck() {
doMethodAnnotationCheck();
- computeLinearTypeCheckMethodSet();
- doLinearTypeCheck();
- init();
+ if (state.SSJAVA && !state.SSJAVAINFER) {
+ computeLinearTypeCheckMethodSet();
+ doLinearTypeCheck();
+ init();
+ }
if (state.SSJAVADEBUG) {
- // debugPrint();
+ // debug_printAnnotationRequiredSet();
}
if (state.SSJAVAINFER) {
inference();
+ System.exit(0);
} else {
parseLocationAnnotation();
doFlowDownCheck();
doDefinitelyWrittenCheck();
doLoopCheck();
}
+
+ for (Iterator iterator = annotationRequireSet.iterator(); iterator.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor) iterator.next();
+ MethodLattice<String> locOrder = getMethodLattice(md);
+ writeLatticeDotFile(md.getClassDesc(), md, getMethodLattice(md));
+ // System.out.println("~~~\t" + md.getClassDesc() + "_" + md + "\t"
+ // + locOrder.getKeySet().size());
+ }
}
- private void init() {
+ public void init() {
// perform topological sort over the set of methods accessed by the main
// event loop
Set<MethodDescriptor> methodDescriptorsToAnalyze = new HashSet<MethodDescriptor>();
return (LinkedList<MethodDescriptor>) sortedDescriptors.clone();
}
+ public void addSharedDesc(Location loc, Descriptor fd) {
+ if (!mapSharedLocToDescSet.containsKey(loc)) {
+ mapSharedLocToDescSet.put(loc, new HashSet<Descriptor>());
+ }
+ mapSharedLocToDescSet.get(loc).add(fd);
+ }
+
+ public Set<Descriptor> getSharedDescSet(Location loc) {
+ return mapSharedLocToDescSet.get(loc);
+ }
+
private void inference() {
- LocationInference inferEngine = new LocationInference(this, state);
+ LocationInference inferEngine = new LocationInference(this, state, tu);
inferEngine.inference();
}
checker.linearTypeCheck();
}
- public void debugPrint() {
+ public void debug_printAnnotationRequiredSet() {
System.out.println("SSJAVA: SSJava is checking the following methods:");
for (Iterator<MethodDescriptor> iterator = annotationRequireSet.iterator(); iterator.hasNext();) {
MethodDescriptor md = iterator.next();
- System.out.print(" " + md);
+ System.out.println(md);
}
System.out.println();
}
methodAnnotationChecker = new MethodAnnotationCheck(this, state, tu);
methodAnnotationChecker.methodAnnoatationCheck();
methodAnnotationChecker.methodAnnoataionInheritanceCheck();
+ if (state.SSJAVAINFER) {
+ annotationRequireClassSet.add(methodContainingSSJavaLoop.getClassDesc());
+ annotationRequireSet.add(methodContainingSSJavaLoop);
+ }
state.setAnnotationRequireSet(annotationRequireSet);
}
if (state.SSJAVADEBUG) {
// generate lattice dot file
writeLatticeDotFile(cd, null, locOrder);
+ System.out.println("~~~\t" + cd + "\t" + locOrder.getKeySet().size());
}
} else if (marker.equals(METHODDEFAULT)) {
new MethodLattice<String>(SSJavaAnalysis.TOP, SSJavaAnalysis.BOTTOM);
cd2methodDefault.put(cd, locOrder);
parseMethodDefaultLatticeDefinition(cd, an.getValue(), locOrder);
+ // writeLatticeDotFile(cd, null, locOrder, "METHOD_DEFAULT");
}
}
new MethodLattice<String>(SSJavaAnalysis.TOP, SSJavaAnalysis.BOTTOM);
md2lattice.put(md, locOrder);
parseMethodDefaultLatticeDefinition(cd, an.getValue(), locOrder);
+ writeLatticeDotFile(cd, md, locOrder, "");
} else if (an.getMarker().equals(TERMINATE)) {
// developer explicitly wants to skip loop termination analysis
String value = an.getValue();
public <T> void writeLatticeDotFile(ClassDescriptor cd, MethodDescriptor md,
SSJavaLattice<T> locOrder) {
+ writeLatticeDotFile(cd, md, locOrder, "");
+
+ }
+
+ public <T> void writeLatticeDotFile(ClassDescriptor cd, MethodDescriptor md,
+ SSJavaLattice<T> locOrder, String nameSuffix) {
String fileName = "lattice_";
if (md != null) {
fileName +=
- cd.getSymbol().replaceAll("[\\W_]", "") + "_" + md.getSymbol().replaceAll("[\\W_]", "");
+ cd.getSymbol().replaceAll("[\\W_]", "") + "_" + md.toString().replaceAll("[\\W_]", "");
} else {
fileName += cd.getSymbol().replaceAll("[\\W_]", "");
}
+ fileName += nameSuffix;
+
Set<Pair<T, T>> pairSet = locOrder.getOrderingPairSet();
if (pairSet.size() > 0) {
} else {
lowLocStr = lowLocId.toString();
}
- bw.write(highLocId + " -> " + lowLocId + ";\n");
+ bw.write(highLocStr + " -> " + lowLocStr + ";\n");
}
bw.write("}\n");
bw.close();
locOrder.put(higherLoc, lowerLoc);
if (locOrder.isIntroducingCycle(higherLoc)) {
throw new Error("Error: the order relation " + lowerLoc + " < " + higherLoc
- + " introduces a cycle.");
+ + " introduces a cycle in the class lattice " + cd);
}
} else if (orderElement.contains("*")) {
// spin loc definition
}
}
+ public CompositeLocation getPCLocation(MethodDescriptor md) {
+ if (!md2pcLoc.containsKey(md)) {
+ // by default, the initial pc location is TOP
+ CompositeLocation pcLoc = new CompositeLocation(new Location(md, Location.TOP));
+ md2pcLoc.put(md, pcLoc);
+ }
+ return md2pcLoc.get(md);
+ }
+
+ public void setPCLocation(MethodDescriptor md, CompositeLocation pcLoc) {
+ md2pcLoc.put(md, pcLoc);
+ }
+
public boolean needToCheckLinearType(MethodDescriptor md) {
return linearTypeCheckMethodSet.contains(md);
}