@NotNull
public static List<PsiMethod> getAllMethods(Collection<? extends PsiClass> classes) {
List<PsiMethod> allMethods = new ArrayList<PsiMethod>();
HashSet<PsiClass> visited = new HashSet<PsiClass>();
for (PsiClass psiClass : classes) {
getAllMethodsInner(psiClass, allMethods, visited);
}
return allMethods;
}
private static void getAllMethodsInner(
PsiClass clazz, List<PsiMethod> allMethods, HashSet<PsiClass> visited) {
if (visited.contains(clazz)) return;
visited.add(clazz);
ContainerUtil.addAll(allMethods, clazz.getMethods());
final PsiClass[] supers = clazz.getSupers();
for (PsiClass aSuper : supers) {
getAllMethodsInner(aSuper, allMethods, visited);
}
}
