X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicLibrary.mli;h=a8b546d2e2f58bbef2b93acbd7501deb06046a21;hb=f4c17198d8afe7c8cd62dbab527d08902d891491;hp=11a608e1da89af9471780685a8e04ba6833bbe43;hpb=5c8de084e314e41f3dc2f605f6242283e930b803;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicLibrary.mli b/helm/software/components/ng_kernel/nCicLibrary.mli
index 11a608e1d..a8b546d2e 100644
--- a/helm/software/components/ng_kernel/nCicLibrary.mli
+++ b/helm/software/components/ng_kernel/nCicLibrary.mli
@@ -11,22 +11,40 @@
 
 (* $Id$ *)
 
-exception ObjectNotFound of string Lazy.t
 exception LibraryOutOfSync of string Lazy.t
 
 type timestamp
-val time0: timestamp
 
-val add_obj: NUri.uri -> NCic.obj -> timestamp
+class status :
+ object ('self)
+  method timestamp: timestamp
+  method set_timestamp: timestamp -> 'self
+  method set_library_status: <timestamp: timestamp; ..> -> 'self
+ end
+
+val add_obj: #status as 'status -> NUri.uri -> NCic.obj -> 'status
 val aliases_of: NUri.uri -> NReference.reference list
 val resolve: string -> NReference.reference list
+(* warning: get_obj may raise (NCicEnvironment.ObjectNotFoud l) *)
 val get_obj: NUri.uri -> NCic.obj (* changes the current timestamp *)
 
 val clear_cache : unit -> unit
 
-val time_travel: timestamp -> unit
-val serialize: baseuri:NUri.uri -> ('status -> 'status) -> unit
-val require: baseuri:NUri.uri -> 'status -> 'status
+val time_travel: #status -> unit
 val decompile: baseuri:NUri.uri -> unit
 
+module type Serializer =
+ sig
+  type status
+  type obj
+  val register:
+   string ->
+    ('a -> refresh_uri_in_term:(NCic.term -> NCic.term) -> status -> status) ->
+    ('a -> obj)
+  val serialize: baseuri:NUri.uri -> obj list -> unit
+  val require: baseuri:NUri.uri -> status -> status
+ end
+
+module Serializer(S: sig type status end): Serializer with type status= S.status
+
 (* EOF *)