exception ObjectNotFound of string Lazy.t
+let storage = ref [];;
+
+let aliases = ref [];;
+
+let resolve name =
+ try
+ HExtlib.filter_map
+ (fun (name',nref) -> if name'=name then Some nref else None) !aliases
+ with
+ Not_found -> raise (ObjectNotFound (lazy name))
+;;
+
+let add_obj u obj =
+ storage := (u,obj)::!storage;
+ let _,height,_,_,obj = obj in
+ let references =
+ match obj with
+ NCic.Constant (_,name,None,_,_) ->
+ [name,NReference.reference_of_spec u NReference.Decl]
+ | NCic.Constant (_,name,Some _,_,_) ->
+ [name,NReference.reference_of_spec u (NReference.Def height)]
+ | NCic.Fixpoint (is_ind,fl,_) ->
+ HExtlib.list_mapi
+ (fun (_,name,recno,_,_) i ->
+ if is_ind then
+ name,NReference.reference_of_spec u (NReference.Fix(i,recno,height))
+ else
+ name,NReference.reference_of_spec u (NReference.CoFix i)) fl
+ | NCic.Inductive (inductive,leftno,il,_) ->
+ List.flatten
+ (HExtlib.list_mapi
+ (fun (_,iname,_,cl) i ->
+ HExtlib.list_mapi
+ (fun (_,cname,_) j->
+ cname,NReference.reference_of_spec u (NReference.Con (i,j,leftno))
+ ) cl @
+ [iname,
+ NReference.reference_of_spec u
+ (NReference.Ind (inductive,i,leftno))]
+ ) il)
+ in
+ aliases := references @ !aliases
+;;
+
let cache = NUri.UriHash.create 313;;
let get_obj u =
+ try List.assq u !storage
+ with Not_found ->
try NUri.UriHash.find cache u
with Not_found ->
(* in the final implementation should get it from disk *)
let ouri = NCic2OCic.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
+ 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;;