/** * Helper for {@link #orderItems}, which recursively assigns indices to classes. * * @param type {@code null-ok;} type ref to assign, if any * @param idx {@code >= 0;} the next index to assign * @param maxDepth maximum recursion depth; if negative, this will throw an exception indicating * class definition circularity * @return {@code >= 0;} the next index to assign */ private int orderItems0(Type type, int idx, int maxDepth) { ClassDefItem c = classDefs.get(type); if ((c == null) || (c.hasIndex())) { return idx; } if (maxDepth < 0) { throw new RuntimeException("class circularity with " + type); } maxDepth--; CstType superclassCst = c.getSuperclass(); if (superclassCst != null) { Type superclass = superclassCst.getClassType(); idx = orderItems0(superclass, idx, maxDepth); } TypeList interfaces = c.getInterfaces(); int sz = interfaces.size(); for (int i = 0; i < sz; i++) { idx = orderItems0(interfaces.getType(i), idx, maxDepth); } c.setIndex(idx); orderedDefs.add(c); return idx + 1; }