1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 type check_status = Checked | Unchecked;;
28 let hashtable = Hashtbl.create 17;;
30 let get_term_and_type_checking_info uri =
32 Hashtbl.find hashtable uri
35 let filename = Getter.get uri in
36 let term = TheoryParser.theory_of_xml filename in
37 Hashtbl.add hashtable uri (term, Unchecked) ;
43 fst (get_term_and_type_checking_info uri)
46 let is_type_checked uri =
47 match snd (get_term_and_type_checking_info uri) with
52 let set_type_checking_info uri =
53 match Hashtbl.find hashtable uri with
55 Hashtbl.remove hashtable uri ;
56 Hashtbl.add hashtable uri (term, Checked)