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.cons domain_item codomain_item acc
39 let codomain1 = Map.find domain_item from.aliases in
40 let codomain2 = Map.find domain_item status.aliases in
44 if not (List.exists (fun (dsc', _) -> dsc'=dsc) codomain1) then
45 Map.cons domain_item codomain_item env
51 status.aliases Map.empty
53 let set_proof_aliases status aliases =
54 let new_status = { status with aliases = aliases } in
55 let diff = alias_diff ~from:status new_status in
57 if DisambiguateTypes.Environment.is_empty diff then
60 DisambiguatePp.pp_environment diff ^ "\n" in
61 let moo_content_rev = textual_diff :: status.moo_content_rev in
62 {new_status with moo_content_rev = moo_content_rev}
64 (** given a uri and a type list (the contructors types) builds a list of pairs
65 * (name,uri) that is used to generate authomatic aliases **)
66 let extract_alias types uri =
68 fun (acc,i) (name, _, _, cl) ->
69 (name, UriManager.string_of_uri (UriManager.uri_of_uriref uri i None))
72 fun (acc,j) (name,_) ->
73 (((name,UriManager.string_of_uri (UriManager.uri_of_uriref uri i
74 (Some j))) :: acc) , j+1)
78 let env_of_list l env =
79 let l' = List.map (fun (name,suri) -> name,suri,CicUtil.term_of_uri (UriManager.uri_of_string suri)) l in
80 DisambiguateTypes.env_of_list l' env
82 let add_aliases_for_inductive_def status types suri =
83 let uri = UriManager.uri_of_string suri in
84 let aliases = env_of_list (extract_alias types uri) status.aliases in
85 set_proof_aliases status aliases
87 let add_alias_for_constant status suri =
88 let uri = UriManager.uri_of_string suri in
89 let name = UriManager.name_of_uri uri in
90 let new_env = env_of_list [(name,suri)] status.aliases in
91 set_proof_aliases status new_env
93 let add_aliases_for_object status suri =
95 Cic.InductiveDefinition (types,_,_,_) ->
96 add_aliases_for_inductive_def status types suri
97 | Cic.Constant _ -> add_alias_for_constant status suri
99 | Cic.CurrentProof _ -> assert false
101 let paths_and_uris_of_obj uri status =
102 let basedir = get_string_option status "basedir" ^ "/xml" in
103 let innertypesuri = UriManager.innertypesuri_of_uri uri in
104 let bodyuri = UriManager.bodyuri_of_uri uri in
105 let innertypesfilename = Str.replace_first (Str.regexp "^cic:") ""
106 (UriManager.string_of_uri innertypesuri) ^ ".xml.gz" in
107 let innertypespath = basedir ^ "/" ^ innertypesfilename in
108 let xmlfilename = Str.replace_first (Str.regexp "^cic:/") ""
109 (UriManager.string_of_uri uri) ^ ".xml.gz" in
110 let xmlpath = basedir ^ "/" ^ xmlfilename in
111 let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:/") ""
112 (UriManager.string_of_uri uri) ^ ".body.xml.gz" in
113 let xmlbodypath = basedir ^ "/" ^ xmlbodyfilename in
114 xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri
116 let save_object_to_disk status uri obj =
117 let ensure_path_exists path =
118 let dir = Filename.dirname path in
121 (* generate annobj, ids_to_inner_sorts and ids_to_inner_types *)
122 let annobj,_,_,ids_to_inner_sorts,ids_to_inner_types,_,_ =
123 Cic2acic.acic_object_of_cic_object ~eta_fix:false obj
127 Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:false
131 Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
132 ~ask_dtd_to_the_getter:false
134 let xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri =
135 paths_and_uris_of_obj uri status
137 let path_scheme_of path = "file://" ^ path in
138 List.iter MatitaMisc.mkdir
139 (List.map Filename.dirname [innertypespath; xmlpath]);
140 (* now write to disk *)
141 ensure_path_exists innertypespath;
142 Xml.pp ~gzip:true xmlinnertypes (Some innertypespath);
143 ensure_path_exists xmlpath;
144 Xml.pp ~gzip:true xml (Some xmlpath) ;
145 (* we return a list of uri,path we registered/created *)
146 (uri,xmlpath) :: (innertypesuri,innertypespath) ::
147 (* now the optional body, both write and register *)
148 (match bodyxml,bodyuri with
150 | Some bodyxml,Some bodyuri->
151 ensure_path_exists xmlbodypath;
152 Xml.pp ~gzip:true bodyxml (Some xmlbodypath);
153 [bodyuri, xmlbodypath]
156 let add_obj uri obj status =
157 let dbd = MatitaDb.instance () in
158 let suri = UriManager.string_of_uri uri in
159 if CicEnvironment.in_library uri then
160 command_error (sprintf "%s already defined" suri)
162 CicTypeChecker.typecheck_obj uri obj; (* 1 *)
164 MetadataDb.index_obj ~dbd ~uri; (* 2 must be in the env *)
166 let new_stuff = save_object_to_disk status uri obj in (* 3 *)
168 MatitaLog.message (sprintf "%s defined" suri);
169 let status = add_aliases_for_object status suri obj in
170 { status with objects = new_stuff @ status.objects;
171 proof_status = No_proof }
173 List.iter MatitaMisc.safe_remove (List.map snd new_stuff); (* -3 *)
176 ignore(MatitaDb.remove_uri uri); (* -2 *)
179 CicEnvironment.remove_obj uri; (* -1 *)
185 type t = UriManager.uri * string
186 let compare (u1, _) (u2, _) = UriManager.compare u1 u2
191 type t = CicNotation.notation_id
192 let compare = Pervasives.compare
195 module UriSet = Set.Make (OrderedUri)
196 module IdSet = Set.Make (OrderedId)
198 (** @return l2 \ l1 *)
199 let uri_list_diff l2 l1 =
200 let module S = UriSet in
201 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
202 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
203 let diff = S.diff s2 s1 in
204 S.fold (fun uri uris -> uri :: uris) diff []
206 (** @return l2 \ l1 *)
207 let id_list_diff l2 l1 =
208 let module S = IdSet in
209 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
210 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
211 let diff = S.diff s2 s1 in
212 S.fold (fun uri uris -> uri :: uris) diff []
214 let remove_coercion uri =
215 CoercDb.remove_coercion (fun (_,_,u) -> UriManager.eq u uri)
217 let time_travel ~present ~past =
218 let objs_to_remove = uri_list_diff present.objects past.objects in
219 let notation_to_remove =
220 id_list_diff present.notation_ids past.notation_ids
222 let debug_list = ref [] in
225 MatitaMisc.safe_remove p;
228 CicEnvironment.remove_obj uri
229 with CicEnvironment.Object_not_found _ ->
231 (sprintf "time_travel removes from cache %s that is not in"
232 (UriManager.string_of_uri uri)));
233 let l = MatitaDb.remove_uri uri in
234 debug_list := UriManager.string_of_uri uri :: !debug_list @ l)
236 List.iter CicNotation.remove_notation notation_to_remove
238 (* this is debug code
239 * idea: debug_list is the list of objects to be removed as computed from the
240 * db, while list_of_objs_to_remove is the same list but computer from the
241 * differences between statuses *)
242 let l1 = List.sort Pervasives.compare !debug_list in
243 let l2 = List.sort Pervasives.compare
244 (List.map (fun (x,_) -> UriManager.string_of_uri x) list_of_objs_to_remove)
246 let rec uniq = function
249 | h1::h2::tl when h1 = h2 -> uniq (h2 :: tl)
250 | h1::tl (* when h1 <> h2 *) -> h1 :: uniq tl
255 List.iter2 (fun x y -> if x <> y then raise Exit) l1 l2
257 | Invalid_argument _ | Exit ->
258 MatitaLog.debug "It seems you garbaged something...";
259 MatitaLog.debug "l1:";
260 List.iter MatitaLog.debug l1;
261 MatitaLog.debug "l2:";
262 List.iter MatitaLog.debug l2
265 let remove ~verbose uri =
266 let derived_uris_of_uri uri =
267 UriManager.innertypesuri_of_uri uri ::
268 (match UriManager.bodyuri_of_uri uri with
274 (if UriManager.uri_is_ind uri then MatitaDb.xpointers_of_ind uri else []) @
275 derived_uris_of_uri uri
281 MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
282 MatitaMisc.safe_remove (Http_getter.resolve' uri)
283 with Http_getter_types.Key_not_found _ -> ());
285 ignore (MatitaDb.remove_uri uri);
286 CicEnvironment.remove_obj uri)