+ free(type_env);
+ return;
+}
+
+void type_walk_s2s_2(type_or_ent *tore,
+ void (pre)(type_or_ent*, void*),
+ void (post)(type_or_ent*, void*),
+ void *env)
+{
+ int i;
+
+ /* marked? */
+ switch (get_kind(tore)) {
+ case k_entity:
+ if (((entity *)tore)->visit >= type_visited) return;
+ break;
+ case k_type:
+ if(type_id == get_type_tpop((type*)tore)) {
+ type_walk_s2s_2((type_or_ent *)skip_tid((type *)tore), pre, post, env);
+ return;
+ }
+ if (((type *)tore)->visit >= type_visited) return;
+ break;
+ default:
+ break;
+ }
+
+ /* iterate */
+ switch (get_kind(tore)) {
+ case k_type:
+ {
+ type *tp = (type *)tore;
+ mark_type_visited(tp);
+ switch (get_type_tpop_code(tp)) {
+ case tpo_class:
+ {
+ for (i = 0; i < get_class_n_supertypes(tp); i++) {
+ type_walk_s2s_2((type_or_ent *)get_class_supertype(tp, i), pre,
+ post, env);
+ }
+ /* execute pre method */
+ if(pre)
+ pre(tore, env);
+ tp = skip_tid((type*)tore);
+
+ for (i = 0; i < get_class_n_subtypes(tp); i++) {
+ type_walk_s2s_2((type_or_ent *)get_class_subtype(tp, i), pre,
+ post, env);
+ }
+
+ /* execute post method */
+ if(post)
+ post(tore, env);
+ }
+ break;
+ case tpo_struct:
+ case tpo_method:
+ case tpo_union:
+ case tpo_array:
+ case tpo_enumeration:
+ case tpo_pointer:
+ case tpo_primitive:
+ case tpo_id:
+ /* dont care */
+ break;
+ default:
+ printf(" *** Faulty type! \n");
+ break;
+ }
+ } break; /* end case k_type */
+ case k_entity:
+ /* dont care */
+ break;
+ default:
+ printf(" *** Faulty type or entity! \n");
+ break;
+ }
+ return;
+}
+
+void type_walk_super2sub(void (pre)(type_or_ent*, void*),
+ void (post)(type_or_ent*, void*),
+ void *env) {
+ int i;
+ type *tp;
+ ++type_visited;
+ type_walk_s2s_2((type_or_ent *)get_glob_type(), pre, post, env);
+ for (i = 0; i < get_irp_n_types(); i++) {
+ tp = get_irp_type(i);
+ type_walk_s2s_2((type_or_ent *)tp, pre, post, env);
+ }
+}
+
+/*****************************************************************************/
+
+static
+void type_walk_super_2(type_or_ent *tore,
+ void (pre)(type_or_ent*, void*),
+ void (post)(type_or_ent*, void*),
+ void *env)
+{
+ int i;
+
+ /* marked? */
+ switch (get_kind(tore)) {
+ case k_entity:
+ if (((entity *)tore)->visit >= type_visited) return;
+ break;
+ case k_type:
+ if(type_id == get_type_tpop((type*)tore)) {
+ type_walk_super_2((type_or_ent *)skip_tid((type *)tore), pre, post, env);
+ return;
+ }
+ if (((type *)tore)->visit >= type_visited) return;
+ break;
+ default:
+ break;
+ }
+
+ /* iterate */
+ switch (get_kind(tore)) {
+ case k_type:
+ {
+ type *tp = (type *)tore;
+ mark_type_visited(tp);
+ switch (get_type_tpop_code(tp)) {
+ case tpo_class:
+ {
+ /* execute pre method */
+ if(pre)
+ pre(tore, env);
+ tp = skip_tid((type*)tore);
+
+ for (i = 0; i < get_class_n_supertypes(tp); i++) {
+ type_walk_super_2((type_or_ent *)get_class_supertype(tp, i), pre,
+ post, env);
+ }
+
+ /* execute post method */
+ if(post)
+ post(tore, env);
+ }
+ break;
+ case tpo_struct:
+ case tpo_method:
+ case tpo_union:
+ case tpo_array:
+ case tpo_enumeration:
+ case tpo_pointer:
+ case tpo_primitive:
+ case tpo_id:
+ /* dont care */
+ break;
+ default:
+ printf(" *** Faulty type! \n");
+ break;
+ }
+ } break; /* end case k_type */
+ case k_entity:
+ /* dont care */
+ break;
+ default:
+ printf(" *** Faulty type or entity! \n");
+ break;
+ }
+ return;
+}
+
+void type_walk_super(void (pre)(type_or_ent*, void*),
+ void (post)(type_or_ent*, void*),
+ void *env) {
+ int i;
+ type *tp;
+ ++type_visited;
+ type_walk_super_2((type_or_ent *)get_glob_type(), pre, post, env);
+ for (i = 0; i < get_irp_n_types(); i++) {
+ tp = get_irp_type(i);
+ type_walk_super_2((type_or_ent *)tp, pre, post, env);
+ }
+}
+
+/*****************************************************************************/
+
+
+void class_walk_s2s_2(type *tp,
+ void (pre)(type*, void*),
+ void (post)(type*, void*),
+ void *env)
+{
+ int i;
+
+ /* marked? */
+ if (tp->visit >= type_visited) return;
+
+ assert(is_class_type(tp));
+ /* Assure all supertypes are visited before */
+ for (i=0; i < get_class_n_supertypes(tp); i++) {
+ if (get_type_visited(get_class_supertype(tp, i)) < type_visited)
+ return;
+ }
+
+ mark_type_visited(tp);
+
+ /* execute pre method */
+ if(pre)
+ pre(tp, env);
+
+ tp = skip_tid((type*)tp);
+ for (i=0; i<get_class_n_subtypes(tp); i++) {
+ class_walk_s2s_2(get_class_subtype(tp, i), pre, post, env);
+ }
+ /* execute post method */
+ if(post)
+ post(tp, env);
+