/**
* Make sure that all invoke special targets are cloned into the class from ancestors. This might
* mean that we have to clone hidden methods, and change their names. So clone them in, and update
* the clone to original map, and update the invoke special Also, this will update invoke specials
* that target methods cloned in previous call to above cloneReachableNonHiddenAncestorMethods()
*/
private void cloneHiddenAncestorMethodsAndFixInvokeSpecial() {
Set<SootClass> parents = SootUtils.getParents(clazz);
boolean debug = false; // (clazz.getName().contains("ResultDisplayer"));
boolean cloneAdded = false;
do {
cloneAdded = false;
for (SootMethod method : clazz.getMethods()) {
if (method.isAbstract() || method.isPhantom() || !method.isConcrete()) continue;
if (debug) System.out.println(method);
Body body = null;
try {
body = method.retrieveActiveBody();
} catch (Exception ex) {
logger.info("Exception retrieving method body {}", ex);
continue;
}
StmtBody stmtBody = (StmtBody) body;
Chain units = stmtBody.getUnits();
Iterator stmtIt = units.iterator();
while (stmtIt.hasNext()) {
Stmt stmt = (Stmt) stmtIt.next();
if (stmt.containsInvokeExpr() && stmt.getInvokeExpr() instanceof SpecialInvokeExpr) {
SpecialInvokeExpr si = (SpecialInvokeExpr) stmt.getInvokeExpr();
SootMethod target = resolveSpecialInvokeTarget(si); // si.getMethod();
if (debug) System.out.printf("\t%s %s", si, target);
if (clonedToOriginal.values().contains(target)) {
// found target of invoke special, and it has been cloned, so change the invoke
// special
SootMethod cloneOfTarget = clonedToOriginal.inverse().get(target);
si.setMethodRef(cloneOfTarget.makeRef());
if (debug) System.out.println("\tChange ref " + cloneOfTarget);
} else if (parents.contains(target.getDeclaringClass())) {
// target has not been cloned, but should be cloned, so clone it and change ref of
// invoke
String name = target.getName() + CLONED_METHOD_SUFFIX + (cloned_method_id++);
SootMethod clonedMethod = cloneMethod(target, name);
si.setMethodRef(clonedMethod.makeRef());
cloneAdded = true;
if (debug) System.out.println("\tClone and Change ref " + clonedMethod);
}
}
}
}
} while (cloneAdded);
}
