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.
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
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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 CicTextualParser2Ast
27 open CicTextualParser2
31 let get_i () = decr i; !i
37 [ t1 = term; SYMBOL "+"; t2 = term ->
38 return_term loc (Appl_symbol ("plus", 0, [t1; t2]))
39 | t1 = term; SYMBOL "-"; t2 = term ->
40 return_term loc (Appl_symbol ("minus", 0, [t1; t2]))
45 [ t1 = term; SYMBOL "*"; t2 = term ->
46 return_term loc (Appl_symbol ("times", 0, [t1; t2]))
47 | t1 = term; SYMBOL "/"; t2 = term ->
48 return_term loc (Appl_symbol ("div", 0, [t1; t2]))
53 [ SYMBOL "-"; t = term ->
54 return_term loc (Appl_symbol ("uminus", 0, [t]))
60 DisambiguateChoices.add_num_choice
62 (fun _ num _ -> HelmLibraryObjects.build_nat (int_of_string num)));
63 DisambiguateChoices.add_num_choice
65 (fun _ num _ -> HelmLibraryObjects.build_real (int_of_string num)));
66 DisambiguateChoices.add_symbol_choice "plus"
72 | _ -> raise DisambiguateChoices.Invalid_choice
74 Cic.Appl [ HelmLibraryObjects.Peano.plus; t1; t2 ]));
75 DisambiguateChoices.add_symbol_choice "plus"
81 | _ -> raise DisambiguateChoices.Invalid_choice
83 Cic.Appl [ HelmLibraryObjects.Reals.rplus; t1; t2 ]));