private boolean exceedsRecursionBound(Context baseContext, int curLevel) {
if (curLevel > recursionBound) {
return true;
}
// we just do a case analysis here. we might have to add cases later to
// account for new types of context / recursion.
CGNode callerNode = (CGNode) baseContext.get(ContextKey.CALLER);
if (callerNode != null && exceedsRecursionBound(callerNode.getContext(), curLevel + 1)) {
return true;
}
for (int i = 0; i < MAX_INTERESTING_PARAM; i++) {
FilteredPointerKey.SingleInstanceFilter filter =
(SingleInstanceFilter) baseContext.get(ContextKey.PARAMETERS[i]);
if (filter != null) {
InstanceKey ik = filter.getInstance();
if (ik instanceof ScopeMappingInstanceKey) {
ik = ((ScopeMappingInstanceKey) ik).getBase();
}
if (ik instanceof InstanceKeyWithNode) {
if (exceedsRecursionBound(
((InstanceKeyWithNode) ik).getNode().getContext(), curLevel + 1)) {
return true;
}
}
}
}
return false;
}
@Override
public Context getCalleeTarget(
CGNode caller, CallSiteReference site, IMethod callee, InstanceKey[] receiver) {
Context baseContext = baseSelector.getCalleeTarget(caller, site, callee, receiver);
if (baseContext.equals(Everywhere.EVERYWHERE)) {
return new CallerSiteContext(caller, site);
} else {
return new CallerSiteContextPair(caller, site, baseContext);
}
}
