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.
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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
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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/
28 open DisambiguateTypes
30 exception Invalid_choice
31 exception Choice_not_found of string
33 let num_choices = ref []
35 let add_num_choice choice = num_choices := choice :: !num_choices
37 let has_description dsc = (fun x -> fst x = dsc)
39 let lookup_num_choices () = !num_choices
41 let lookup_num_by_dsc dsc =
43 List.find (has_description dsc) !num_choices
44 with Not_found -> raise (Choice_not_found ("Num with dsc " ^ dsc))
46 let mk_choice (dsc, args, appl_pattern) =
48 (fun env _ cic_args ->
51 List.map (function CicNotationPt.IdentArg (_, name) -> name) args
54 List.combine names cic_args
55 with Invalid_argument _ -> raise Invalid_choice
57 CicNotationFwd.instantiate_appl_pattern env' appl_pattern)
59 let lookup_symbol_by_dsc symbol dsc =
63 (fun (dsc', _, _) -> dsc = dsc')
64 (CicNotationRew.lookup_interpretations symbol))
65 with CicNotationRew.Interpretation_not_found | Not_found ->
66 raise (Choice_not_found (sprintf "Symbol %s, dsc %s" symbol dsc))