X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicLibrary.ml;h=946535fe1fd8d5cb70775fcb38bc2dc5d7730a81;hb=246f3c2f2d26655129efacf830ecff47094795b4;hp=f25a0c54c14c731cc08a25104c07e569d7facc42;hpb=cf2b1084c561a6842d7cbc5691943ef53b151aca;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicLibrary.ml b/helm/software/components/ng_kernel/nCicLibrary.ml
index f25a0c54c..946535fe1 100644
--- a/helm/software/components/ng_kernel/nCicLibrary.ml
+++ b/helm/software/components/ng_kernel/nCicLibrary.ml
@@ -9,6 +9,8 @@
      \ /   This software is distributed as is, NO WARRANTY.     
       V_______________________________________________________________ *)
 
+(* $Id$ *)
+
 exception ObjectNotFound of string Lazy.t
 
 let cache = NUri.UriHash.create 313;;
@@ -17,11 +19,17 @@ let get_obj u =
   try NUri.UriHash.find cache u
   with Not_found ->
     (* in the final implementation should get it from disk *)
-    let ouri = NUri.ouri_of_nuri u in
-    let o,_ = CicEnvironment.get_obj CicUniv.oblivion_ugraph ouri in
-    let l = OCic2NCic.convert_obj ouri o in
-    List.iter (fun (u,_,_,_,_ as o) -> 
-(*       prerr_endline ("+"^NUri.string_of_uri u);  *)
-      NUri.UriHash.add cache u o) l;
-    HExtlib.list_last l
+    let ouri = NCic2OCic.ouri_of_nuri u in
+    try
+      let o,_ = CicEnvironment.get_obj CicUniv.oblivion_ugraph ouri in
+      let l = OCic2NCic.convert_obj ouri o in
+      List.iter (fun (u,_,_,_,_ as o) -> 
+  (*       prerr_endline ("+"^NUri.string_of_uri u);  *)
+        NUri.UriHash.add cache u o) l;
+      HExtlib.list_last l
+    with CicEnvironment.Object_not_found u -> 
+      raise (ObjectNotFound 
+               (lazy (NUri.string_of_uri (OCic2NCic.nuri_of_ouri u))))
 ;;
+
+let clear_cache () = NUri.UriHash.clear cache;;