new access routines, some documentation/comments,

[libfirm] / ir / tr / typewalk.h

diff --git a/ir/tr/typewalk.h b/ir/tr/typewalk.h
index 2fb7ad5..f6f67aa 100644 (file)
--- a/ir/tr/typewalk.h
+++ b/ir/tr/typewalk.h
@@ -13,12 +13,25 @@
 
 /* walk over all type information reachable from the ir graph. */
 
-
+#ifndef _TYPEWALK_H_
+#define _TYPEWALK_H_
 
 # include "type_or_entity.h"
 
 
-/** dumps all type information reachable from irg **/
-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);
+
+
+#endif /* _TYPEWALK_H_ */