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#lstatus.LexiconEngine.aliases)
38 if description1 <> description2 then
39 (domain_item,codomain_item)::acc
44 (domain_item,codomain_item)::acc)
45 status#lstatus.LexiconEngine.aliases []
48 (** given a uri and a type list (the contructors types) builds a list of pairs
49 * (name,uri) that is used to generate automatic aliases **)
50 let extract_alias types uri =
52 fun (acc,i) (name, _, _, cl) ->
53 (name, UriManager.uri_of_uriref uri i None) ::
55 fun (acc,j) (name,_) ->
56 (((name,UriManager.uri_of_uriref uri i
57 (Some j)) :: acc) , j+1)
64 DisambiguateTypes.Id name, LexiconAst.Ident_alias (name,
65 UriManager.string_of_uri uri))
67 let add_aliases_for_inductive_def status types uri =
68 let aliases = build_aliases (extract_alias types uri) in
69 LexiconEngine.set_proof_aliases status aliases
71 let add_alias_for_constant status uri =
72 let name = UriManager.name_of_uri uri in
73 let new_env = build_aliases [(name,uri)] in
74 LexiconEngine.set_proof_aliases status new_env
76 let add_aliases_for_object status uri =
78 Cic.InductiveDefinition (types,_,_,_) ->
79 add_aliases_for_inductive_def status types uri
80 | Cic.Constant _ -> add_alias_for_constant status uri
82 | Cic.CurrentProof _ -> assert false
84 let add_aliases_for_objs status =
89 let obj,_ = CicEnvironment.get_obj CicUniv.oblivion_ugraph uri in
90 add_aliases_for_object status uri obj) status uris
94 let references = NCicLibrary.aliases_of nref in
98 let name = NCicPp.r2s true u in
99 DisambiguateTypes.Id name,
100 LexiconAst.Ident_alias (name,NReference.string_of_reference u)
103 LexiconEngine.set_proof_aliases status new_env
108 type t = CicNotation.notation_id
109 let compare = CicNotation.compare_notation_id
112 module IdSet = Set.Make (OrderedId)
114 (** @return l2 \ l1 *)
115 let id_list_diff l2 l1 =
116 let module S = IdSet in
117 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
118 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
119 let diff = S.diff s2 s1 in
120 S.fold (fun uri uris -> uri :: uris) diff []
122 let time_travel ~present ~past =
123 let notation_to_remove =
124 id_list_diff present#lstatus.LexiconEngine.notation_ids
125 past#lstatus.LexiconEngine.notation_ids
127 List.iter CicNotation.remove_notation notation_to_remove
129 let push () = CicNotation.push ();;
130 let pop () = CicNotation.pop ();;