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/
30 let alias_diff ~from status =
31 let module Map = DisambiguateTypes.Environment in
33 (fun domain_item codomain_item acc ->
34 if not (Map.mem domain_item from.aliases) then
35 Map.add domain_item codomain_item acc
39 let description1 = fst(Map.find domain_item from.aliases) in
40 let description2 = fst(Map.find domain_item status.aliases) in
41 if description1 <> description2 then
42 Map.add domain_item codomain_item acc
47 status.aliases Map.empty
49 let set_proof_aliases status aliases =
50 let new_status = { status with aliases = aliases } in
51 let diff = alias_diff ~from:status new_status in
53 DisambiguateTypes.Environment.fold DisambiguateTypes.Environment.cons
54 diff status.multi_aliases in
55 let new_status = { new_status with multi_aliases = multi_aliases } in
56 if DisambiguateTypes.Environment.is_empty diff then
59 add_moo_content (DisambiguatePp.commands_of_environment diff) new_status
61 (** given a uri and a type list (the contructors types) builds a list of pairs
62 * (name,uri) that is used to generate authomatic aliases **)
63 let extract_alias types uri =
65 fun (acc,i) (name, _, _, cl) ->
66 (name, UriManager.string_of_uri (UriManager.uri_of_uriref uri i None))
69 fun (acc,j) (name,_) ->
70 (((name,UriManager.string_of_uri (UriManager.uri_of_uriref uri i
71 (Some j))) :: acc) , j+1)
75 let env_of_list l env =
76 let l' = List.map (fun (name,suri) -> name,suri,CicUtil.term_of_uri (UriManager.uri_of_string suri)) l in
77 DisambiguateTypes.env_of_list l' env
79 let add_aliases_for_inductive_def status types suri =
80 let uri = UriManager.uri_of_string suri in
81 let aliases = env_of_list (extract_alias types uri) status.aliases in
82 set_proof_aliases status aliases
84 let add_alias_for_constant status suri =
85 let uri = UriManager.uri_of_string suri in
86 let name = UriManager.name_of_uri uri in
87 let new_env = env_of_list [(name,suri)] status.aliases in
88 set_proof_aliases status new_env
90 let add_aliases_for_object status suri =
92 Cic.InductiveDefinition (types,_,_,_) ->
93 add_aliases_for_inductive_def status types suri
94 | Cic.Constant _ -> add_alias_for_constant status suri
96 | Cic.CurrentProof _ -> assert false
98 let paths_and_uris_of_obj uri status =
99 let basedir = get_string_option status "basedir" ^ "/xml" in
100 let innertypesuri = UriManager.innertypesuri_of_uri uri in
101 let bodyuri = UriManager.bodyuri_of_uri uri in
102 let innertypesfilename = Str.replace_first (Str.regexp "^cic:") ""
103 (UriManager.string_of_uri innertypesuri) ^ ".xml.gz" in
104 let innertypespath = basedir ^ "/" ^ innertypesfilename in
105 let xmlfilename = Str.replace_first (Str.regexp "^cic:/") ""
106 (UriManager.string_of_uri uri) ^ ".xml.gz" in
107 let xmlpath = basedir ^ "/" ^ xmlfilename in
108 let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:/") ""
109 (UriManager.string_of_uri uri) ^ ".body.xml.gz" in
110 let xmlbodypath = basedir ^ "/" ^ xmlbodyfilename in
111 xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri
113 let save_object_to_disk status uri obj =
114 let ensure_path_exists path =
115 let dir = Filename.dirname path in
118 (* generate annobj, ids_to_inner_sorts and ids_to_inner_types *)
119 let annobj,_,_,ids_to_inner_sorts,ids_to_inner_types,_,_ =
120 Cic2acic.acic_object_of_cic_object ~eta_fix:false obj
124 Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:false
128 Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
129 ~ask_dtd_to_the_getter:false
131 let xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri =
132 paths_and_uris_of_obj uri status
134 let path_scheme_of path = "file://" ^ path in
135 List.iter MatitaMisc.mkdir
136 (List.map Filename.dirname [innertypespath; xmlpath]);
137 (* now write to disk *)
138 ensure_path_exists innertypespath;
139 Xml.pp ~gzip:true xmlinnertypes (Some innertypespath);
140 ensure_path_exists xmlpath;
141 Xml.pp ~gzip:true xml (Some xmlpath) ;
142 (* we return a list of uri,path we registered/created *)
143 (uri,xmlpath) :: (innertypesuri,innertypespath) ::
144 (* now the optional body, both write and register *)
145 (match bodyxml,bodyuri with
147 | Some bodyxml,Some bodyuri->
148 ensure_path_exists xmlbodypath;
149 Xml.pp ~gzip:true bodyxml (Some xmlbodypath);
150 [bodyuri, xmlbodypath]
153 let add_obj uri obj status =
154 let dbd = MatitaDb.instance () in
155 let suri = UriManager.string_of_uri uri in
156 if CicEnvironment.in_library uri then
157 command_error (sprintf "%s already defined" suri)
159 CicTypeChecker.typecheck_obj uri obj; (* 1 *)
161 MetadataDb.index_obj ~dbd ~uri; (* 2 must be in the env *)
163 let new_stuff = save_object_to_disk status uri obj in (* 3 *)
165 MatitaLog.message (sprintf "%s defined" suri);
166 let status = add_aliases_for_object status suri obj in
167 { status with objects = new_stuff @ status.objects;
168 proof_status = No_proof }
170 List.iter MatitaMisc.safe_remove (List.map snd new_stuff); (* -3 *)
173 ignore(MatitaDb.remove_uri uri); (* -2 *)
176 CicEnvironment.remove_obj uri; (* -1 *)
182 type t = UriManager.uri * string
183 let compare (u1, _) (u2, _) = UriManager.compare u1 u2
188 type t = CicNotation.notation_id
189 let compare = Pervasives.compare
192 module UriSet = Set.Make (OrderedUri)
193 module IdSet = Set.Make (OrderedId)
195 (** @return l2 \ l1 *)
196 let uri_list_diff l2 l1 =
197 let module S = UriSet in
198 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
199 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
200 let diff = S.diff s2 s1 in
201 S.fold (fun uri uris -> uri :: uris) diff []
203 (** @return l2 \ l1 *)
204 let id_list_diff l2 l1 =
205 let module S = IdSet in
206 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
207 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
208 let diff = S.diff s2 s1 in
209 S.fold (fun uri uris -> uri :: uris) diff []
211 let remove_coercion uri =
212 CoercDb.remove_coercion (fun (_,_,u) -> UriManager.eq u uri)
214 let time_travel ~present ~past =
215 let objs_to_remove = uri_list_diff present.objects past.objects in
216 let notation_to_remove =
217 id_list_diff present.notation_ids past.notation_ids
219 let debug_list = ref [] in
222 MatitaMisc.safe_remove p;
225 CicEnvironment.remove_obj uri
226 with CicEnvironment.Object_not_found _ ->
228 (sprintf "time_travel removes from cache %s that is not in"
229 (UriManager.string_of_uri uri)));
230 let l = MatitaDb.remove_uri uri in
231 debug_list := UriManager.string_of_uri uri :: !debug_list @ l)
233 List.iter CicNotation.remove_notation notation_to_remove
235 (* this is debug code
236 * idea: debug_list is the list of objects to be removed as computed from the
237 * db, while list_of_objs_to_remove is the same list but computer from the
238 * differences between statuses *)
239 let l1 = List.sort Pervasives.compare !debug_list in
240 let l2 = List.sort Pervasives.compare
241 (List.map (fun (x,_) -> UriManager.string_of_uri x) list_of_objs_to_remove)
243 let rec uniq = function
246 | h1::h2::tl when h1 = h2 -> uniq (h2 :: tl)
247 | h1::tl (* when h1 <> h2 *) -> h1 :: uniq tl
252 List.iter2 (fun x y -> if x <> y then raise Exit) l1 l2
254 | Invalid_argument _ | Exit ->
255 MatitaLog.debug "It seems you garbaged something...";
256 MatitaLog.debug "l1:";
257 List.iter MatitaLog.debug l1;
258 MatitaLog.debug "l2:";
259 List.iter MatitaLog.debug l2
262 let remove ~verbose uri =
263 let derived_uris_of_uri uri =
264 UriManager.innertypesuri_of_uri uri ::
265 (match UriManager.bodyuri_of_uri uri with
271 (if UriManager.uri_is_ind uri then MatitaDb.xpointers_of_ind uri else []) @
272 derived_uris_of_uri uri
278 MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
279 MatitaMisc.safe_remove (Http_getter.resolve' uri)
280 with Http_getter_types.Key_not_found _ -> ());
282 ignore (MatitaDb.remove_uri uri);
283 CicEnvironment.remove_obj uri)