1 (* Copyright (C) 2004, 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://helm.cs.unibo.it/
26 open CicTextualParser2
31 [ t1 = term; SYMBOL "+"; t2 = term ->
32 return_term loc (CicAst.Appl [CicAst.Symbol ("plus", 0); t1; t2])
33 | t1 = term; SYMBOL "-"; t2 = term ->
34 return_term loc (CicAst.Appl [CicAst.Symbol ("minus", 0); t1; t2])
39 [ t1 = term; SYMBOL "*"; t2 = term ->
40 return_term loc (CicAst.Appl [CicAst.Symbol ("times", 0); t1; t2])
41 | t1 = term; SYMBOL "/"; t2 = term ->
42 return_term loc (CicAst.Appl [CicAst.Symbol ("div", 0); t1; t2])
47 [ SYMBOL "-"; t = term ->
48 return_term loc (CicAst.Appl [CicAst.Symbol ("uminus", 0); t])
54 DisambiguateChoices.add_num_choice
56 (fun _ num _ -> HelmLibraryObjects.build_nat (int_of_string num)));
57 DisambiguateChoices.add_num_choice
59 (fun _ num _ -> HelmLibraryObjects.build_real (int_of_string num)));
60 DisambiguateChoices.add_symbol_choice "plus"
66 | _ -> raise DisambiguateChoices.Invalid_choice
68 Cic.Appl [ HelmLibraryObjects.Peano.plus; t1; t2 ]));
69 DisambiguateChoices.add_symbol_choice "plus"
75 | _ -> raise DisambiguateChoices.Invalid_choice
77 Cic.Appl [ HelmLibraryObjects.Reals.rplus; t1; t2 ]));