X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fgrafite_engine%2FgrafiteSync.ml;h=d318d11a73cb504b788dd98aa45cf18d66f635ba;hb=30704126796b07213d6da3ca25156d82e761d554;hp=067fe9b59dc3c5acd5afda051fff0e3bf405e028;hpb=5da42f6120f3075c3da8ab3082ead39ea57955fa;p=helm.git

diff --git a/helm/software/components/grafite_engine/grafiteSync.ml b/helm/software/components/grafite_engine/grafiteSync.ml
index 067fe9b59..d318d11a7 100644
--- a/helm/software/components/grafite_engine/grafiteSync.ml
+++ b/helm/software/components/grafite_engine/grafiteSync.ml
@@ -133,14 +133,29 @@ let time_travel ~present ~past =
   List.iter (fun uri -> LibrarySync.remove_coercion uri) coercions_to_remove;
   List.iter LibrarySync.remove_obj objs_to_remove
 
-let init () =
-  LibrarySync.remove_all_coercions ();
-  LibraryObjects.reset_defaults ();
-  {
+let initial_status baseuri = {
     GrafiteTypes.moo_content_rev = [];
     proof_status = GrafiteTypes.No_proof;
-    options = GrafiteTypes.no_options;
+(*     options = GrafiteTypes.no_options; *)
     objects = [];
     coercions = [];
     universe = Universe.empty;
+    baseuri = baseuri;
   }
+
+
+let init baseuri =
+  LibrarySync.remove_all_coercions ();
+  LibraryObjects.reset_defaults ();
+  initial_status baseuri
+  ;;
+let pop () =
+  LibrarySync.pop ();
+  LibraryObjects.pop ()
+;;
+
+let push () =
+  LibrarySync.push ();
+  LibraryObjects.push ()
+;;
+