private MethodInformation findMatching(String fqn, ArgumentList al, MethodFinder mf)
throws IOException {
Deque<String> typesToCheck = new ArrayDeque<>();
typesToCheck.addLast(fqn);
Set<String> visitedTypes = new HashSet<>();
while (!typesToCheck.isEmpty()) {
String clz = typesToCheck.removeFirst();
if (visitedTypes.contains(clz)) continue;
visitedTypes.add(clz);
List<MethodInformation> ls = mf.getAlternatives(clz);
if (ls != null) {
for (MethodInformation mi : ls) if (match(al, mi)) return mi;
}
// not found in current class, try super class
Optional<List<String>> o = cip.getSuperTypes(clz);
if (o.isPresent() && mf.mayUseSuperclassMethods()) typesToCheck.addAll(o.get());
}
return null;
}
