1 (* Copyright (C) 2004-2005, 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 let alias_diff ~from status =
27 let module Map = DisambiguateTypes.Environment in
29 (fun domain_item (description1,_ as codomain_item) acc ->
31 let description2,_ = Map.find domain_item from.LexiconEngine.aliases in
32 if description1 <> description2 then
33 (domain_item,codomain_item)::acc
38 (domain_item,codomain_item)::acc)
39 status.LexiconEngine.aliases []
42 let profiler = HExtlib.profile "alias_diff (conteggiato anche in include)" in
43 fun ~from status -> profiler.HExtlib.profile (alias_diff ~from) status
45 (** given a uri and a type list (the contructors types) builds a list of pairs
46 * (name,uri) that is used to generate automatic aliases **)
47 let extract_alias types uri =
49 fun (acc,i) (name, _, _, cl) ->
50 (name, UriManager.uri_of_uriref uri i None) ::
52 fun (acc,j) (name,_) ->
53 (((name,UriManager.uri_of_uriref uri i
54 (Some j)) :: acc) , j+1)
61 DisambiguateTypes.Id name,
62 (UriManager.string_of_uri uri, fun _ _ _ -> CicUtil.term_of_uri uri))
64 let add_aliases_for_inductive_def status types uri =
65 let aliases = build_aliases (extract_alias types uri) in
66 LexiconEngine.set_proof_aliases status aliases
68 let add_alias_for_constant status uri =
69 let name = UriManager.name_of_uri uri in
70 let new_env = build_aliases [(name,uri)] in
71 LexiconEngine.set_proof_aliases status new_env
73 let add_aliases_for_object status uri =
75 Cic.InductiveDefinition (types,_,_,_) ->
76 add_aliases_for_inductive_def status types uri
77 | Cic.Constant _ -> add_alias_for_constant status uri
79 | Cic.CurrentProof _ -> assert false
81 let add_aliases_for_objs =
84 let obj,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
85 add_aliases_for_object status uri obj)
89 type t = CicNotation.notation_id
90 let compare = Pervasives.compare
93 module IdSet = Set.Make (OrderedId)
95 (** @return l2 \ l1 *)
96 let id_list_diff l2 l1 =
97 let module S = IdSet in
98 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
99 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
100 let diff = S.diff s2 s1 in
101 S.fold (fun uri uris -> uri :: uris) diff []
103 let time_travel ~present ~past =
104 let notation_to_remove =
105 id_list_diff present.LexiconEngine.notation_ids
106 past.LexiconEngine.notation_ids
108 List.iter CicNotation.remove_notation notation_to_remove
112 LexiconEngine.aliases = DisambiguateTypes.Environment.empty;
113 multi_aliases = DisambiguateTypes.Environment.empty;
114 lexicon_content_rev = [];