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/
28 let alias_diff ~from status =
29 let module Map = DisambiguateTypes.Environment in
31 (fun domain_item codomain_item acc ->
32 let description1 = LexiconAst.description_of_alias codomain_item in
35 LexiconAst.description_of_alias
36 (Map.find domain_item from.LexiconEngine.aliases)
38 if description1 <> description2 then
39 (domain_item,codomain_item)::acc
44 (domain_item,codomain_item)::acc)
45 status.LexiconEngine.aliases []
49 let profiler = HExtlib.profile "alias_diff(conteg. anche in include)" in
50 fun ~from status -> profiler.HExtlib.profile (alias_diff ~from) status
52 (** given a uri and a type list (the contructors types) builds a list of pairs
53 * (name,uri) that is used to generate automatic aliases **)
54 let extract_alias types uri =
56 fun (acc,i) (name, _, _, cl) ->
57 (name, UriManager.uri_of_uriref uri i None) ::
59 fun (acc,j) (name,_) ->
60 (((name,UriManager.uri_of_uriref uri i
61 (Some j)) :: acc) , j+1)
68 DisambiguateTypes.Id name, LexiconAst.Ident_alias (name,
69 UriManager.string_of_uri uri))
71 let add_aliases_for_inductive_def status types uri =
72 let aliases = build_aliases (extract_alias types uri) in
73 LexiconEngine.set_proof_aliases status aliases
75 let add_alias_for_constant status uri =
76 let name = UriManager.name_of_uri uri in
77 let new_env = build_aliases [(name,uri)] in
78 LexiconEngine.set_proof_aliases status new_env
80 let add_aliases_for_object status uri =
82 Cic.InductiveDefinition (types,_,_,_) ->
83 add_aliases_for_inductive_def status types uri
84 | Cic.Constant _ -> add_alias_for_constant status uri
86 | Cic.CurrentProof _ -> assert false
88 let add_aliases_for_objs =
91 let obj,_ = CicEnvironment.get_obj CicUniv.oblivion_ugraph uri in
92 add_aliases_for_object status uri obj)
96 type t = CicNotation.notation_id
97 let compare = CicNotation.compare_notation_id
100 module IdSet = Set.Make (OrderedId)
102 (** @return l2 \ l1 *)
103 let id_list_diff l2 l1 =
104 let module S = IdSet in
105 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
106 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
107 let diff = S.diff s2 s1 in
108 S.fold (fun uri uris -> uri :: uris) diff []
110 let time_travel ~present ~past =
111 let notation_to_remove =
112 id_list_diff present.LexiconEngine.notation_ids
113 past.LexiconEngine.notation_ids
115 List.iter CicNotation.remove_notation notation_to_remove
117 let push () = CicNotation.push ();;
118 let pop () = CicNotation.pop ();;