** - execute the post function after recursion
*/
+/* $Id$ */
-/* walk over all type information reachable from the ir graph. */
+/* walk over all type information reachable from the ir graph. */
+#ifndef _TYPEWALK_H_
+#define _TYPEWALK_H_
# include "type_or_entity.h"
-void type_walk(ir_graph *irg,
- void (pre)(type_or_ent*, void*), void (post)(type_or_ent*, void*),
- void *env);
+
+typedef void (type_walk_func)(type_or_ent *, void *);
+
+/** Walks over all type information reachable from global roots.
+ Touches every type and entity in unspecified order. If new
+ types/entities are created during the traversal these will
+ be visited, too. **/
+void type_walk(type_walk_func *pre,
+ type_walk_func *post,
+ void *env);
+
+/** walks over all type information reachable from irg **/
+void type_walk_irg(ir_graph *irg,
+ type_walk_func *pre,
+ type_walk_func *post,
+ void *env);
+
+/** Walks over all type information reachable from global roots.
+ Touches every class in specified order:
+ - first the super class
+ - second the class itself
+ - third the sub classes. If new classes are created
+ during the traversal these will be visited, too. **/
+/** @@@ should be named class-walk **/
+/* @@@ will be removed? */
+void type_walk_super2sub(type_walk_func *pre,
+ type_walk_func *post,
+ void *env);
+
+/** Walks over all type information reachable from global roots.
+ Touches every class in specified order:
+ - first the super class
+ - second the class itself
+ If new classes are created during the traversal these
+ will be visited, too. **/
+void type_walk_super(type_walk_func *pre,
+ type_walk_func *post,
+ void *env);
+
+/* Same as type_walk_super2sub, but visits only class types.
+ Executes pre for a class if all superclasses have been visited.
+ Then iterates to subclasses. Executes post after return from
+ subclass.
+ Does not visit global type, frame types.
+*/
+/* @@@ ?? something is wrong with this. */
+void class_walk_super2sub(type_walk_func *pre,
+ type_walk_func *post,
+ void *env);
+
+
+/* Walks over all entities in the type */
+typedef void (entity_walk_func)(entity *, void *);
+void walk_types_entities(type *tp,
+ entity_walk_func *doit,
+ void *env);
+#endif /* _TYPEWALK_H_ */