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 DisambiguatePp.pp_environment diff ::
54 status.moo_content_rev in
55 {new_status with moo_content_rev = moo_content_rev}
57 (** given a uri and a type list (the contructors types) builds a list of pairs
58 * (name,uri) that is used to generate authomatic aliases **)
59 let extract_alias types uri =
61 fun (acc,i) (name, _, _, cl) ->
62 (name, UriManager.string_of_uri (UriManager.uri_of_uriref uri i None))
65 fun (acc,j) (name,_) ->
66 (((name,UriManager.string_of_uri (UriManager.uri_of_uriref uri i
67 (Some j))) :: acc) , j+1)
71 let env_of_list l env =
72 let l' = List.map (fun (name,suri) -> name,suri,CicUtil.term_of_uri (UriManager.uri_of_string suri)) l in
73 DisambiguateTypes.env_of_list l' env
75 let add_aliases_for_inductive_def status types suri =
76 let uri = UriManager.uri_of_string suri in
77 let aliases = env_of_list (extract_alias types uri) status.aliases in
78 set_proof_aliases status aliases
80 let add_alias_for_constant status suri =
81 let uri = UriManager.uri_of_string suri in
82 let name = UriManager.name_of_uri uri in
83 let new_env = env_of_list [(name,suri)] status.aliases in
84 set_proof_aliases status new_env
86 let add_aliases_for_object status suri =
88 Cic.InductiveDefinition (types,_,_,_) ->
89 add_aliases_for_inductive_def status types suri
90 | Cic.Constant _ -> add_alias_for_constant status suri
92 | Cic.CurrentProof _ -> assert false
94 let paths_and_uris_of_obj uri status =
95 let basedir = get_string_option status "basedir" ^ "/xml" in
96 let innertypesuri = UriManager.innertypesuri_of_uri uri in
97 let bodyuri = UriManager.bodyuri_of_uri uri in
98 let innertypesfilename = Str.replace_first (Str.regexp "^cic:") ""
99 (UriManager.string_of_uri innertypesuri) ^ ".xml.gz" in
100 let innertypespath = basedir ^ "/" ^ innertypesfilename in
101 let xmlfilename = Str.replace_first (Str.regexp "^cic:/") ""
102 (UriManager.string_of_uri uri) ^ ".xml.gz" in
103 let xmlpath = basedir ^ "/" ^ xmlfilename in
104 let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:/") ""
105 (UriManager.string_of_uri uri) ^ ".body.xml.gz" in
106 let xmlbodypath = basedir ^ "/" ^ xmlbodyfilename in
107 xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri
109 let save_object_to_disk status uri obj =
110 let ensure_path_exists path =
111 let dir = Filename.dirname path in
114 (* generate annobj, ids_to_inner_sorts and ids_to_inner_types *)
115 let annobj,_,_,ids_to_inner_sorts,ids_to_inner_types,_,_ =
116 Cic2acic.acic_object_of_cic_object ~eta_fix:false obj
120 Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:false
124 Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
125 ~ask_dtd_to_the_getter:false
127 let xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri =
128 paths_and_uris_of_obj uri status
130 let path_scheme_of path = "file://" ^ path in
131 List.iter MatitaMisc.mkdir
132 (List.map Filename.dirname [innertypespath; xmlpath]);
133 (* now write to disk *)
134 ensure_path_exists innertypespath;
135 Xml.pp ~gzip:true xmlinnertypes (Some innertypespath);
136 ensure_path_exists xmlpath;
137 Xml.pp ~gzip:true xml (Some xmlpath) ;
138 (* we return a list of uri,path we registered/created *)
139 (uri,xmlpath) :: (innertypesuri,innertypespath) ::
140 (* now the optional body, both write and register *)
141 (match bodyxml,bodyuri with
143 | Some bodyxml,Some bodyuri->
144 ensure_path_exists xmlbodypath;
145 Xml.pp ~gzip:true bodyxml (Some xmlbodypath);
146 [bodyuri, xmlbodypath]
149 let add_obj uri obj status =
150 let dbd = MatitaDb.instance () in
151 let suri = UriManager.string_of_uri uri in
152 if CicEnvironment.in_library uri then
153 command_error (sprintf "%s already defined" suri)
155 CicTypeChecker.typecheck_obj uri obj;
156 MetadataDb.index_obj ~dbd ~uri; (* must be in the env *)
157 let new_stuff = save_object_to_disk status uri obj in
158 MatitaLog.message (sprintf "%s defined" suri);
159 let status = add_aliases_for_object status suri obj in
160 { status with objects = new_stuff @ status.objects;
161 proof_status = No_proof }
166 type t = UriManager.uri * string
167 let compare (u1, _) (u2, _) = UriManager.compare u1 u2
172 type t = CicNotation.notation_id
173 let compare = Pervasives.compare
176 module UriSet = Set.Make (OrderedUri)
177 module IdSet = Set.Make (OrderedId)
179 (** @return l2 \ l1 *)
180 let uri_list_diff l2 l1 =
181 let module S = UriSet in
182 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
183 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
184 let diff = S.diff s2 s1 in
185 S.fold (fun uri uris -> uri :: uris) diff []
187 (** @return l2 \ l1 *)
188 let id_list_diff l2 l1 =
189 let module S = IdSet in
190 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
191 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
192 let diff = S.diff s2 s1 in
193 S.fold (fun uri uris -> uri :: uris) diff []
195 let remove_coercion uri =
196 CoercDb.remove_coercion (fun (_,_,u) -> UriManager.eq u uri)
198 let time_travel ~present ~past =
199 let objs_to_remove = uri_list_diff present.objects past.objects in
200 let notation_to_remove =
201 id_list_diff present.notation_ids past.notation_ids
203 let debug_list = ref [] in
206 MatitaMisc.safe_remove p;
209 CicEnvironment.remove_obj uri
210 with CicEnvironment.Object_not_found _ ->
212 (sprintf "time_travel removes from cache %s that is not in"
213 (UriManager.string_of_uri uri)));
214 let l = MatitaDb.remove_uri uri in
215 debug_list := UriManager.string_of_uri uri :: !debug_list @ l)
217 List.iter CicNotation.remove_notation notation_to_remove
219 (* this is debug code
220 * idea: debug_list is the list of objects to be removed as computed from the
221 * db, while list_of_objs_to_remove is the same list but computer from the
222 * differences between statuses *)
223 let l1 = List.sort Pervasives.compare !debug_list in
224 let l2 = List.sort Pervasives.compare
225 (List.map (fun (x,_) -> UriManager.string_of_uri x) list_of_objs_to_remove)
227 let rec uniq = function
230 | h1::h2::tl when h1 = h2 -> uniq (h2 :: tl)
231 | h1::tl (* when h1 <> h2 *) -> h1 :: uniq tl
236 List.iter2 (fun x y -> if x <> y then raise Exit) l1 l2
238 | Invalid_argument _ | Exit ->
239 MatitaLog.debug "It seems you garbaged something...";
240 MatitaLog.debug "l1:";
241 List.iter MatitaLog.debug l1;
242 MatitaLog.debug "l2:";
243 List.iter MatitaLog.debug l2
246 let remove ~verbose uri =
247 let derived_uris_of_uri uri =
248 UriManager.innertypesuri_of_uri uri ::
249 (match UriManager.bodyuri_of_uri uri with
255 (if UriManager.uri_is_ind uri then MatitaDb.xpointers_of_ind uri else []) @
256 derived_uris_of_uri uri
262 MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
263 MatitaMisc.safe_remove (Http_getter.resolve' uri)
264 with Http_getter_types.Key_not_found _ -> ());
266 ignore (MatitaDb.remove_uri uri))