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removed deadcode / fixed typos (thanks to ocaml 3.09)
[helm.git] / helm / ocaml / cic_disambiguation / number_notation.ml
1 (* Copyright (C) 2004, HELM Team.
2  * 
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.
6  * 
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.
11  * 
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.
16  *
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,
20  * MA  02111-1307, USA.
21  * 
22  * For details, see the HELM World-Wide-Web page,
23  * http://helm.cs.unibo.it/
24  *)
25
26 let _ =
27   DisambiguateChoices.add_num_choice
28     ("natural number",
29       (fun _ num _ -> HelmLibraryObjects.build_nat (int_of_string num)));
30   DisambiguateChoices.add_num_choice
31     ("real number",
32       (fun _ num _ -> HelmLibraryObjects.build_real (int_of_string num)));
33   DisambiguateChoices.add_num_choice
34     ("binary positive number",
35       (fun _ num _ ->
36         let num = int_of_string num in
37         if num = 0 then
38           raise (DisambiguateTypes.Invalid_choice (lazy "0 is not a valid positive number"))
39         else
40           HelmLibraryObjects.build_bin_pos num));
41   DisambiguateChoices.add_num_choice
42     ("binary integer number",
43       (fun _ num _ ->
44         let num = int_of_string num in
45         if num = 0 then
46           HelmLibraryObjects.BinInt.z0
47         else if num > 0 then
48           Cic.Appl [
49             HelmLibraryObjects.BinInt.zpos;
50             HelmLibraryObjects.build_bin_pos num ]
51         else
52           assert false))
53