*** empty log message ***

[libfirm] / ir / tr / typewalk.h

diff --git a/ir/tr/typewalk.h b/ir/tr/typewalk.h
index 8086598..76d3e1a 100644 (file)
--- a/ir/tr/typewalk.h
+++ b/ir/tr/typewalk.h
@@ -10,13 +10,61 @@
 ** - 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);
+
+/** 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(void (pre)(type_or_ent*, void*),
+              void (post)(type_or_ent*, void*),
+              void *env);
+
+/** walks over all type information reachable from irg **/
+void type_walk_irg(ir_graph *irg,
+                  void (pre)(type_or_ent*, void*),
+                  void (post)(type_or_ent*, void*),
+                  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(void (pre)(type_or_ent*, void*),
+                        void (post)(type_or_ent*, void*),
+                        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(void (pre)(type_or_ent*, void*),
+                    void (post)(type_or_ent*, void*),
+                    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(void (pre)(type*, void*),
+                         void (post)(type*, void*),
+                         void *env);
+#endif /* _TYPEWALK_H_ */