-let mkdir d =
- let errmsg = sprintf "Unable to create directory \"%s\"" d in
- try
- (match Unix.system ("mkdir -p " ^ d) with
- | Unix.WEXITED 0 -> ()
- | _ -> failwith errmsg)
- with Unix.Unix_error _ -> failwith errmsg
-
-let get_proof_status status =
- match status.proof_status with
- | Incomplete_proof s -> s
- | _ -> statement_error "no ongoing proof"
-
-let get_proof_metasenv status =
- match status.proof_status with
- | No_proof -> []
- | Incomplete_proof ((_, metasenv, _, _), _) -> metasenv
- | Proof (_, metasenv, _, _) -> metasenv
- | Intermediate m -> m
-
-let get_proof_context status =
- match status.proof_status with
- | Incomplete_proof ((_, metasenv, _, _), goal) ->
- let (_, context, _) = CicUtil.lookup_meta goal metasenv in
- context
- | _ -> []
-
-let get_proof_aliases status = status.aliases
-
-let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
-
-let unopt = function None -> failwith "unopt: None" | Some v -> v
+let image_path n = sprintf "%s/%s" BuildTimeConf.images_dir n
+
+let end_ma_RE = Pcre.regexp "\\.ma$"
+
+let obj_file_of_baseuri baseuri =
+ let path =
+ Helm_registry.get "matita.basedir" ^ "/xml" ^
+ Pcre.replace ~pat:"^cic:" ~templ:"" baseuri
+ in
+ path ^ ".moo"
+
+let list_tl_at ?(equality=(==)) e l =
+ let rec aux =
+ function
+ | [] -> raise Not_found
+ | hd :: tl as l when equality hd e -> l
+ | hd :: tl -> aux tl
+ in
+ aux l