merged cic_notation with matita: good luck!

[helm.git] / helm / matita / matitaSync.ml

diff --git a/helm/matita/matitaSync.ml b/helm/matita/matitaSync.ml
index b54c67790c46ea4618cd964062ea16a8c6cf8e85..4df2ab7fbec0a41d0973feebf1cbed0cfb0cc658 100644 (file)
--- a/helm/matita/matitaSync.ml
+++ b/helm/matita/matitaSync.ml
@@ -50,7 +50,7 @@ let set_proof_aliases status aliases =
  let new_status = {status with aliases = aliases } in
  let diff = alias_diff ~from:status new_status in
  let moo_content_rev =
-  CicTextualParser2.EnvironmentP3.to_string diff ::
+  DisambiguatePp.pp_environment diff ::
    status.moo_content_rev in
  {new_status with moo_content_rev = moo_content_rev}
   
@@ -167,44 +167,55 @@ struct
   let compare (u1, _) (u2, _) = UriManager.compare u1 u2
 end
 
+module OrderedId = 
+struct
+  type t = CicNotation.notation_id
+  let compare = Pervasives.compare
+end
+
 module UriSet = Set.Make (OrderedUri)
+module IdSet  = Set.Make (OrderedId)
 
-(* returns the uri of objects that were added in the meanwhile...
- * status1 ----> status2 
- * assumption: objects defined in status2 are a superset of those defined in
- * status1
- *)
-let delta_status status1 status2 =
+  (** @return l2 \ l1 *)
+let uri_list_diff l2 l1 =
   let module S = UriSet in
-  let diff l1 l2 =
-    let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
-    let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
-    let diff = S.diff s2 s1 in
-    S.fold (fun uri uris -> uri :: uris) diff []
-  in
-  diff status1.objects status2.objects
+  let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
+  let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
+  let diff = S.diff s2 s1 in
+  S.fold (fun uri uris -> uri :: uris) diff []
+
+  (** @return l2 \ l1 *)
+let id_list_diff l2 l1 =
+  let module S = IdSet in
+  let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
+  let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
+  let diff = S.diff s2 s1 in
+  S.fold (fun uri uris -> uri :: uris) diff []
 
 let remove_coercion uri = 
   CoercDb.remove_coercion (fun (_,_,u) -> UriManager.eq u uri)
   
 let time_travel ~present ~past =
-  let list_of_objs_to_remove = List.rev (delta_status past present) in
-    (* List.rev is just for the debugging code, which otherwise may list both
-    * something.ind and something.ind#xpointer ... (ask Enrico :-) *)
+  let objs_to_remove = uri_list_diff present.objects past.objects in
+  let notation_to_remove =
+    id_list_diff present.notation_ids past.notation_ids
+  in
   let debug_list = ref [] in
-  List.iter (fun (uri,p) -> 
-    MatitaMisc.safe_remove p;
-    remove_coercion uri;
-    (try 
-      CicEnvironment.remove_obj uri
-    with CicEnvironment.Object_not_found _ -> 
-      MatitaLog.debug
-        (sprintf "time_travel removes from cache %s that is not in" 
-          (UriManager.string_of_uri uri)));
-    let l = MatitaDb.remove_uri uri in
-    debug_list := UriManager.string_of_uri uri :: !debug_list @ l) 
-  list_of_objs_to_remove;
-  
+  List.iter
+    (fun (uri,p) -> 
+      MatitaMisc.safe_remove p;
+      remove_coercion uri;
+      (try 
+        CicEnvironment.remove_obj uri
+      with CicEnvironment.Object_not_found _ -> 
+        MatitaLog.debug
+          (sprintf "time_travel removes from cache %s that is not in" 
+            (UriManager.string_of_uri uri)));
+      let l = MatitaDb.remove_uri uri in
+      debug_list := UriManager.string_of_uri uri :: !debug_list @ l) 
+    objs_to_remove;
+  List.iter CicNotation.remove_notation notation_to_remove
+  (*
   (* this is debug code
   * idea: debug_list is the list of objects to be removed as computed from the
   * db, while list_of_objs_to_remove is the same list but computer from the
@@ -230,6 +241,7 @@ let time_travel ~present ~past =
       List.iter MatitaLog.debug l1;
       MatitaLog.debug "l2:";
       List.iter MatitaLog.debug l2
+      *)
     
 let remove ~verbose uri =
   let derived_uris_of_uri uri =