/** Constructs a hierarchy from the current scene. */
public Hierarchy() {
this.sc = Scene.v();
state = sc.getState();
// Well, this used to be describable by 'Duh'.
// Construct the subclasses hierarchy and the subinterfaces hierarchy.
{
Chain allClasses = sc.getClasses();
classToSubclasses = new HashMap<SootClass, List<SootClass>>(allClasses.size() * 2 + 1, 0.7f);
interfaceToSubinterfaces =
new HashMap<SootClass, List<SootClass>>(allClasses.size() * 2 + 1, 0.7f);
classToDirSubclasses = new HashMap<SootClass, List>(allClasses.size() * 2 + 1, 0.7f);
interfaceToDirSubinterfaces = new HashMap<SootClass, List>(allClasses.size() * 2 + 1, 0.7f);
interfaceToDirImplementers = new HashMap<SootClass, List>(allClasses.size() * 2 + 1, 0.7f);
Iterator classesIt = allClasses.iterator();
while (classesIt.hasNext()) {
SootClass c = (SootClass) classesIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
if (c.isInterface()) {
interfaceToDirSubinterfaces.put(c, new ArrayList());
interfaceToDirImplementers.put(c, new ArrayList());
} else classToDirSubclasses.put(c, new ArrayList());
}
classesIt = allClasses.iterator();
while (classesIt.hasNext()) {
SootClass c = (SootClass) classesIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
if (c.hasSuperclass()) {
if (c.isInterface()) {
Iterator subIt = c.getInterfaces().iterator();
while (subIt.hasNext()) {
SootClass i = (SootClass) subIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
List<SootClass> l = interfaceToDirSubinterfaces.get(i);
l.add(c);
}
} else {
List<SootClass> l = classToDirSubclasses.get(c.getSuperclass());
l.add(c);
Iterator subIt = c.getInterfaces().iterator();
while (subIt.hasNext()) {
SootClass i = (SootClass) subIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
l = interfaceToDirImplementers.get(i);
l.add(c);
}
}
}
}
// Fill the directImplementers lists with subclasses.
{
classesIt = allClasses.iterator();
while (classesIt.hasNext()) {
SootClass c = (SootClass) classesIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
if (c.isInterface()) {
List<SootClass> imp = interfaceToDirImplementers.get(c);
Set<SootClass> s = new ArraySet();
Iterator<SootClass> impIt = imp.iterator();
while (impIt.hasNext()) {
SootClass c0 = impIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
s.addAll(getSubclassesOfIncluding(c0));
}
imp.clear();
imp.addAll(s);
}
}
}
classesIt = allClasses.iterator();
while (classesIt.hasNext()) {
SootClass c = (SootClass) classesIt.next();
if (c.resolvingLevel() < SootClass.HIERARCHY) continue;
if (c.isInterface()) {
interfaceToDirSubinterfaces.put(
c, Collections.unmodifiableList(interfaceToDirSubinterfaces.get(c)));
interfaceToDirImplementers.put(
c, Collections.unmodifiableList(interfaceToDirImplementers.get(c)));
} else
classToDirSubclasses.put(c, Collections.unmodifiableList(classToDirSubclasses.get(c)));
}
}
}
private void checkState() {
if (state != sc.getState())
throw new ConcurrentModificationException("Scene changed for Hierarchy!");
}