X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fgrafite_engine%2FgrafiteSync.ml;h=47744f66e0332e962b2feace6b5f42cb0399a8df;hb=433d9c9612c1557e03a549e004c796c1137d4b4a;hp=a773ea401a9361a88cf982402bf58af8ae7bec46;hpb=dcdbb979433a61e2ef2842d96604098728824416;p=helm.git

diff --git a/helm/software/components/grafite_engine/grafiteSync.ml b/helm/software/components/grafite_engine/grafiteSync.ml
index a773ea401..47744f66e 100644
--- a/helm/software/components/grafite_engine/grafiteSync.ml
+++ b/helm/software/components/grafite_engine/grafiteSync.ml
@@ -128,13 +128,13 @@ let add_obj ~pack_coercion_obj uri obj status =
  in
  let automation_cache,status =
    List.fold_left add_to_universe 
-     (status.GrafiteTypes.automation_cache,status) 
+     (status#automation_cache,status) 
      uris_to_index 
  in
-  {status with 
-     GrafiteTypes.objects = uri :: lemmas @ status.GrafiteTypes.objects;
-     GrafiteTypes.automation_cache = automation_cache},
-   lemmas
+  (status
+    #set_objects (uri :: lemmas @ status#objects))
+    #set_automation_cache automation_cache,
+  lemmas
 
 let add_coercion ~pack_coercion_obj ~add_composites status uri arity
  saturations baseuri
@@ -143,20 +143,16 @@ let add_coercion ~pack_coercion_obj ~add_composites status uri arity
    LibrarySync.add_coercion ~add_composites ~pack_coercion_obj 
     uri arity saturations baseuri in
  let status = 
- { status with GrafiteTypes.coercions = CoercDb.dump () ; 
-   objects = lemmas @ status.GrafiteTypes.objects;
-  }
+  (status
+    #set_coercions (CoercDb.dump ())) ; 
+    #set_objects (lemmas @ status#objects)
  in
- let db = 
-   NCicCoercion.index_old_db (CoercDb.dump ()) 
-    (GrafiteTypes.get_coercions status) 
- in
- let status = GrafiteTypes.set_coercions db status in 
- status, lemmas
+ let status = NCicCoercion.index_old_db (CoercDb.dump ()) status in
+  status, lemmas
 
-let prefer_coercion s u = 
+let prefer_coercion status u = 
   CoercDb.prefer u;
-  { s with GrafiteTypes.coercions = CoercDb.dump () }
+   status#set_coercions (CoercDb.dump ())
  
   (** @return l2 \ l1 *)
 let uri_list_diff l2 l1 =
@@ -166,34 +162,22 @@ let uri_list_diff l2 l1 =
   let diff = S.diff s2 s1 in
   S.fold (fun uri uris -> uri :: uris) diff []
 
-let time_travel ~present ~past =
+let initial_status lexicon_status baseuri =
+ (new GrafiteTypes.status baseuri)#set_lstatus lexicon_status#lstatus
+;;
+
+let time_travel  ~present ?(past=initial_status present present#baseuri) () =
   let objs_to_remove =
-   uri_list_diff present.GrafiteTypes.objects past.GrafiteTypes.objects in
+   uri_list_diff present#objects past#objects in
   List.iter LibrarySync.remove_obj objs_to_remove;
-  CoercDb.restore past.GrafiteTypes.coercions;
+  CoercDb.restore past#coercions;
+  NCicLibrary.time_travel past
 ;;
 
-let initial_status lexicon_status baseuri = {
-    GrafiteTypes.moo_content_rev = [];
-    proof_status = GrafiteTypes.No_proof;
-    objects = [];
-    coercions = CoercDb.empty_coerc_db;
-    automation_cache = AutomationCache.empty ();
-    baseuri = baseuri;
-    ng_status = GrafiteTypes.CommandMode { 
-      NEstatus.lstatus = lexicon_status;
-      NEstatus.rstatus = {
-        NRstatus.uhint_db = NCicUnifHint.empty_db;
-        NRstatus.coerc_db = NCicCoercion.empty_db;
-      };
-  }
-}
-
-
-let init baseuri =
+let init lexicon_status =
   CoercDb.restore CoercDb.empty_coerc_db;
   LibraryObjects.reset_defaults ();
-  initial_status baseuri
+  initial_status lexicon_status
   ;;
 let pop () =
   LibrarySync.pop ();