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 if DisambiguateTypes.Environment.is_empty diff then
56 DisambiguatePp.pp_environment diff ^ "\n" in
57 let moo_content_rev = textual_diff :: status.moo_content_rev in
58 {new_status with moo_content_rev = moo_content_rev}
60 (** given a uri and a type list (the contructors types) builds a list of pairs
61 * (name,uri) that is used to generate authomatic aliases **)
62 let extract_alias types uri =
64 fun (acc,i) (name, _, _, cl) ->
65 (name, UriManager.string_of_uri (UriManager.uri_of_uriref uri i None))
68 fun (acc,j) (name,_) ->
69 (((name,UriManager.string_of_uri (UriManager.uri_of_uriref uri i
70 (Some j))) :: acc) , j+1)
74 let env_of_list l env =
75 let l' = List.map (fun (name,suri) -> name,suri,CicUtil.term_of_uri (UriManager.uri_of_string suri)) l in
76 DisambiguateTypes.env_of_list l' env
78 let add_aliases_for_inductive_def status types suri =
79 let uri = UriManager.uri_of_string suri in
80 let aliases = env_of_list (extract_alias types uri) status.aliases in
81 set_proof_aliases status aliases
83 let add_alias_for_constant status suri =
84 let uri = UriManager.uri_of_string suri in
85 let name = UriManager.name_of_uri uri in
86 let new_env = env_of_list [(name,suri)] status.aliases in
87 set_proof_aliases status new_env
89 let add_aliases_for_object status suri =
91 Cic.InductiveDefinition (types,_,_,_) ->
92 add_aliases_for_inductive_def status types suri
93 | Cic.Constant _ -> add_alias_for_constant status suri
95 | Cic.CurrentProof _ -> assert false
97 let paths_and_uris_of_obj uri status =
98 let basedir = get_string_option status "basedir" ^ "/xml" in
99 let innertypesuri = UriManager.innertypesuri_of_uri uri in
100 let bodyuri = UriManager.bodyuri_of_uri uri in
101 let innertypesfilename = Str.replace_first (Str.regexp "^cic:") ""
102 (UriManager.string_of_uri innertypesuri) ^ ".xml.gz" in
103 let innertypespath = basedir ^ "/" ^ innertypesfilename in
104 let xmlfilename = Str.replace_first (Str.regexp "^cic:/") ""
105 (UriManager.string_of_uri uri) ^ ".xml.gz" in
106 let xmlpath = basedir ^ "/" ^ xmlfilename in
107 let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:/") ""
108 (UriManager.string_of_uri uri) ^ ".body.xml.gz" in
109 let xmlbodypath = basedir ^ "/" ^ xmlbodyfilename in
110 xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri
112 let save_object_to_disk status uri obj =
113 let ensure_path_exists path =
114 let dir = Filename.dirname path in
117 (* generate annobj, ids_to_inner_sorts and ids_to_inner_types *)
118 let annobj,_,_,ids_to_inner_sorts,ids_to_inner_types,_,_ =
119 Cic2acic.acic_object_of_cic_object ~eta_fix:false obj
123 Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:false
127 Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
128 ~ask_dtd_to_the_getter:false
130 let xmlpath, xmlbodypath, innertypespath, bodyuri, innertypesuri =
131 paths_and_uris_of_obj uri status
133 let path_scheme_of path = "file://" ^ path in
134 List.iter MatitaMisc.mkdir
135 (List.map Filename.dirname [innertypespath; xmlpath]);
136 (* now write to disk *)
137 ensure_path_exists innertypespath;
138 Xml.pp ~gzip:true xmlinnertypes (Some innertypespath);
139 ensure_path_exists xmlpath;
140 Xml.pp ~gzip:true xml (Some xmlpath) ;
141 (* we return a list of uri,path we registered/created *)
142 (uri,xmlpath) :: (innertypesuri,innertypespath) ::
143 (* now the optional body, both write and register *)
144 (match bodyxml,bodyuri with
146 | Some bodyxml,Some bodyuri->
147 ensure_path_exists xmlbodypath;
148 Xml.pp ~gzip:true bodyxml (Some xmlbodypath);
149 [bodyuri, xmlbodypath]
152 let add_obj uri obj status =
153 let dbd = MatitaDb.instance () in
154 let suri = UriManager.string_of_uri uri in
155 if CicEnvironment.in_library uri then
156 command_error (sprintf "%s already defined" suri)
158 CicTypeChecker.typecheck_obj uri obj;
159 MetadataDb.index_obj ~dbd ~uri; (* must be in the env *)
160 let new_stuff = save_object_to_disk status uri obj in
161 MatitaLog.message (sprintf "%s defined" suri);
162 let status = add_aliases_for_object status suri obj in
163 { status with objects = new_stuff @ status.objects;
164 proof_status = No_proof }
169 type t = UriManager.uri * string
170 let compare (u1, _) (u2, _) = UriManager.compare u1 u2
175 type t = CicNotation.notation_id
176 let compare = Pervasives.compare
179 module UriSet = Set.Make (OrderedUri)
180 module IdSet = Set.Make (OrderedId)
182 (** @return l2 \ l1 *)
183 let uri_list_diff l2 l1 =
184 let module S = UriSet in
185 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
186 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
187 let diff = S.diff s2 s1 in
188 S.fold (fun uri uris -> uri :: uris) diff []
190 (** @return l2 \ l1 *)
191 let id_list_diff l2 l1 =
192 let module S = IdSet in
193 let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
194 let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
195 let diff = S.diff s2 s1 in
196 S.fold (fun uri uris -> uri :: uris) diff []
198 let remove_coercion uri =
199 CoercDb.remove_coercion (fun (_,_,u) -> UriManager.eq u uri)
201 let time_travel ~present ~past =
202 let objs_to_remove = uri_list_diff present.objects past.objects in
203 let notation_to_remove =
204 id_list_diff present.notation_ids past.notation_ids
206 let debug_list = ref [] in
209 MatitaMisc.safe_remove p;
212 CicEnvironment.remove_obj uri
213 with CicEnvironment.Object_not_found _ ->
215 (sprintf "time_travel removes from cache %s that is not in"
216 (UriManager.string_of_uri uri)));
217 let l = MatitaDb.remove_uri uri in
218 debug_list := UriManager.string_of_uri uri :: !debug_list @ l)
220 List.iter CicNotation.remove_notation notation_to_remove
222 (* this is debug code
223 * idea: debug_list is the list of objects to be removed as computed from the
224 * db, while list_of_objs_to_remove is the same list but computer from the
225 * differences between statuses *)
226 let l1 = List.sort Pervasives.compare !debug_list in
227 let l2 = List.sort Pervasives.compare
228 (List.map (fun (x,_) -> UriManager.string_of_uri x) list_of_objs_to_remove)
230 let rec uniq = function
233 | h1::h2::tl when h1 = h2 -> uniq (h2 :: tl)
234 | h1::tl (* when h1 <> h2 *) -> h1 :: uniq tl
239 List.iter2 (fun x y -> if x <> y then raise Exit) l1 l2
241 | Invalid_argument _ | Exit ->
242 MatitaLog.debug "It seems you garbaged something...";
243 MatitaLog.debug "l1:";
244 List.iter MatitaLog.debug l1;
245 MatitaLog.debug "l2:";
246 List.iter MatitaLog.debug l2
249 let remove ~verbose uri =
250 let derived_uris_of_uri uri =
251 UriManager.innertypesuri_of_uri uri ::
252 (match UriManager.bodyuri_of_uri uri with
258 (if UriManager.uri_is_ind uri then MatitaDb.xpointers_of_ind uri else []) @
259 derived_uris_of_uri uri
265 MatitaLog.debug ("Removing: " ^ UriManager.string_of_uri uri);
266 MatitaMisc.safe_remove (Http_getter.resolve' uri)
267 with Http_getter_types.Key_not_found _ -> ());
269 ignore (MatitaDb.remove_uri uri))