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/
30 open DisambiguateTypes
32 exception Choice_not_found of string Lazy.t
34 let has_description dsc = (fun x -> fst x = dsc)
36 let nlookup_num_by_dsc dsc =
37 if dsc <> "natural number" then
38 raise (Choice_not_found (lazy ("Num with dsc " ^ dsc)))
40 "natural number", `Num_interp Nnumber_notation.ninterp_natural_number
42 let mk_choice ~mk_appl ~mk_implicit ~term_of_nref (dsc, args, appl_pattern)=
48 List.map (function NotationPt.IdentArg (_, name) -> name) args
50 let rec combine_with_rest l1 l2 =
52 _::_,[] -> raise (Invalid_argument "combine_with_rest")
54 | he1::tl1,he2::tl2 ->
55 let l,rest = combine_with_rest tl1 tl2 in
59 combine_with_rest names cic_args
60 with Invalid_argument _ ->
61 raise (Invalid_choice (lazy (Stdpp.dummy_loc,
62 "The notation " ^ dsc ^ " expects more arguments")))
65 Interpretations.instantiate_appl_pattern
66 ~mk_appl ~mk_implicit ~term_of_nref env' appl_pattern
70 | _::_ -> mk_appl (combined::rest))
72 let lookup_symbol_by_dsc status ~mk_appl ~mk_implicit ~term_of_nref symbol dsc =
74 Interpretations.lookup_interpretations status ~sorted:false symbol in
76 mk_choice ~mk_appl ~mk_implicit ~term_of_nref
77 (List.find (fun (dsc', _, _) -> dsc = dsc') interpretations)
78 with Interpretations.Interpretation_not_found | Not_found ->
79 raise (Choice_not_found (lazy (sprintf "Symbol %s, dsc %s" symbol dsc)))