2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
14 exception LibraryOutOfSync of string Lazy.t
15 exception IncludedFileNotCompiled of string * string
19 let refresh_uri uri = NUri.uri_of_string (NUri.string_of_uri uri);;
21 let refresh_uri_in_universe =
22 List.map (fun (x,u) -> x, refresh_uri u)
25 let refresh_uri_in_reference (NReference.Ref (uri,spec)) =
26 NReference.reference_of_spec (refresh_uri uri) spec
28 let refresh_uri_in_term status =
31 | NCic.Meta (i,(n,NCic.Ctx l)) ->
32 NCic.Meta (i,(n,NCic.Ctx (List.map aux l)))
33 | NCic.Meta _ as t -> t
34 | NCic.Const ref -> NCic.Const (refresh_uri_in_reference ref)
35 | NCic.Sort (NCic.Type l) -> NCic.Sort (NCic.Type (refresh_uri_in_universe l))
36 | NCic.Match (NReference.Ref (uri,spec),outtype,term,pl) ->
37 let r = NReference.reference_of_spec (refresh_uri uri) spec in
38 let outtype = aux outtype in
39 let term = aux term in
40 let pl = List.map aux pl in
41 NCic.Match (r,outtype,term,pl)
42 | t -> NCicUtils.map status (fun _ _ -> ()) () (fun _ -> aux) t
47 let refresh_uri_in_obj status (uri,height,metasenv,subst,obj_kind) =
48 assert (metasenv = []);
50 refresh_uri uri,height,metasenv,subst,
51 NCicUntrusted.map_obj_kind (refresh_uri_in_term status) obj_kind
54 let ng_path_of_baseuri ?(no_suffix=false) user baseuri =
55 let uri = NUri.string_of_uri baseuri in
56 let path = String.sub uri 4 (String.length uri - 4) in
57 let path = match user with
58 | Some u -> "/" ^ u ^ path
61 let path = Helm_registry.get "matita.basedir" ^ path in
62 let dirname = Filename.dirname path in
63 HExtlib.mkdir dirname;
70 let require_path path =
71 let ch = open_in path in
72 let mmagic,dump = Marshal.from_channel ch in
74 if mmagic <> magic then
75 raise (LibraryOutOfSync (lazy "The library is out of sync with the implementation. Please recompile the library."))
80 let require0 user ~baseuri = require_path (ng_path_of_baseuri user baseuri)
82 let db_path () = Helm_registry.get "matita.basedir" ^ "/ng_db.ng";;
85 [ `Obj of NUri.uri * NCic.obj
86 | `Constr of NCic.universe * NCic.universe] list *
87 (NUri.uri * string * NReference.reference) list
92 let load_db,set_global_aliases,get_global_aliases,add_deps,get_deps,remove_deps=
93 let global_aliases = ref [] in
94 let rev_includes_map = ref NUri.UriMap.empty in
96 let ch = open_out (db_path ()) in
97 Marshal.to_channel ch (magic,(!global_aliases,!rev_includes_map)) [];
100 HExtlib.mkdir (Helm_registry.get "matita.basedir");
102 let ga,im = require_path (db_path ()) in
105 (fun (uri,name,NReference.Ref (uri2,spec)) ->
106 refresh_uri uri,name,NReference.reference_of_spec (refresh_uri uri2) spec
110 (fun u l im -> NUri.UriMap.add (refresh_uri u) (List.map refresh_uri l) im
111 ) im NUri.UriMap.empty
113 global_aliases := ga;
114 rev_includes_map := im
118 let get_deps_one_step u =
119 try NUri.UriMap.find u !rev_includes_map with Not_found -> [] in
124 if List.mem he res then
127 aux (he::res) (get_deps_one_step he @ tl)
131 rev_includes_map := NUri.UriMap.remove u !rev_includes_map;
134 (fun l -> List.filter (fun uri -> not (NUri.eq u uri)) l) !rev_includes_map;
138 (fun ga -> global_aliases := ga; store_db ()),
139 (fun () -> !global_aliases),
141 rev_includes_map := NUri.UriMap.add u (l @ get_deps u) !rev_includes_map;
151 [ `Obj of NUri.uri * NCic.obj
152 | `Constr of NCic.universe * NCic.universe] list ref;
154 (NUri.uri * string * NReference.reference) list ref
157 class type g_status =
162 class virtual status uid =
164 inherit NCicEnvironment.status uid
168 local_aliases = ref []
170 method lib_db = lib_db
172 val timestamp = (time0 : timestamp)
173 method timestamp = timestamp
175 method set_timestamp v = {< timestamp = v >}
176 method set_lib_db v = {< lib_db = v >}
177 method set_lib_status : 's.#g_status as 's -> 'self
178 = fun o -> {< lib_db = o#lib_db >}
181 let reset_timestamp st =
182 st#lib_db.storage := [];
183 st#lib_db.local_aliases := []
186 let time_travel0 st (sto,ali) =
187 let diff_len = List.length !(st#lib_db.storage) - List.length sto in
188 let to_be_deleted,_ = HExtlib.split_nth diff_len !(st#lib_db.storage) in
189 if List.length to_be_deleted > 0 then
190 List.iter (NCicEnvironment.invalidate_item st) to_be_deleted;
191 st#lib_db.storage := sto; st#lib_db.local_aliases := ali
194 let time_travel status = time_travel0 status status#timestamp;;
196 type obj = string * Obj.t
197 (* includes are transitively closed; dependencies are only immediate *)
199 { objs: obj list ; includes: NUri.uri list; dependencies: string list }
201 class type g_dumpable_status =
206 (* uid = None --> single user mode *)
207 class dumpable_status uid =
209 inherit NCicPp.status uid
212 val db = { objs = []; includes = []; dependencies = [] }
214 method set_dump v = {< db = v >}
215 method set_dumpable_status
216 : 'status. #g_dumpable_status as 'status -> 'self
217 = fun o -> {< db = o#dump >}
220 let get_transitively_included status =
224 let dump_obj status obj =
225 status#set_dump {status#dump with objs = obj::status#dump.objs }
228 module type SerializerType =
232 type 'a register_type =
234 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
235 refresh_uri_in_term:(NCicEnvironment.status -> NCic.term -> NCic.term) ->
236 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
238 dumpable_status -> dumpable_status
240 val register: < run: 'a. string -> 'a register_type -> ('a -> obj) >
241 val serialize: baseuri:NUri.uri -> dumpable_status -> unit
243 baseuri:NUri.uri -> fname:string -> alias_only:bool ->
244 dumpable_status -> dumpable_status
245 val dependencies_of: string option -> baseuri:NUri.uri -> string list
248 module Serializer(D: sig type dumpable_s val get: dumpable_s -> dumpable_status
249 val set: dumpable_s -> dumpable_status -> dumpable_s (*val user : dumpable_s ->
250 string option*) end) =
252 type dumpable_status = D.dumpable_s
253 type 'a register_type =
255 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
256 refresh_uri_in_term:(NCicEnvironment.status -> NCic.term -> NCic.term) ->
257 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
259 dumpable_status -> dumpable_status
261 let require1 = ref (fun ~alias_only:_ _ -> assert false) (* unknown data*)
262 let already_registered = ref []
266 method run : 'a. string -> 'a register_type -> ('a -> obj)
268 assert (not (List.mem tag !already_registered));
269 already_registered := tag :: !already_registered;
270 let old_require1 = !require1 in
271 prerr_endline "let old_require 1 superata";
273 (fun ~alias_only ((tag',data) as x) ->
275 (prerr_endline ("requiring tag': " ^ tag');
276 require (Obj.magic data) ~refresh_uri_in_universe ~refresh_uri_in_term
277 ~refresh_uri_in_reference ~alias_only)
279 old_require1 ~alias_only x);
280 prerr_endline ("added require tag" ^ tag);
281 (fun x -> tag,Obj.repr x)
284 let serialize ~baseuri status =
285 let ch = open_out (ng_path_of_baseuri (D.get status)#user baseuri) in
286 Marshal.to_channel ch (magic,((D.get status)#dump.dependencies,(D.get status)#dump.objs)) [];
288 let deps = String.concat ", " ((D.get status)#dump.dependencies) in
289 prerr_endline ("dumping dependencies:\n" ^ deps ^ "\nend of deps");
293 let ch = open_out (ng_path_of_baseuri (D.get status)#user uri) in
294 Marshal.to_channel ch (magic,obj) [];
297 ) !((D.get status)#lib_db.storage);
298 set_global_aliases (!((D.get status)#lib_db.local_aliases) @ get_global_aliases ());
299 List.iter (fun u -> add_deps u [baseuri]) (D.get status)#dump.includes;
300 reset_timestamp (D.get status)
302 let require2 ~baseuri ~alias_only status =
304 let s = D.get status in
309 includes = baseuri::List.filter ((<>) baseuri) s#dump.includes}) in
310 let _dependencies,dump = require0 (D.get status)#user ~baseuri in
311 List.fold_right (!require1 ~alias_only) dump status
314 raise (IncludedFileNotCompiled(ng_path_of_baseuri (D.get status)#user baseuri,NUri.string_of_uri baseuri))
316 let dependencies_of user ~baseuri = fst (require0 user ~baseuri)
319 let aux (baseuri,fname) ~refresh_uri_in_universe:_ ~refresh_uri_in_term:_
320 ~refresh_uri_in_reference:_ ~alias_only status =
322 alias_only || List.mem baseuri (get_transitively_included (D.get status))
324 HLog.warn ("include " ^ (if alias_only then "alias " else "") ^ fname);
325 let status = require2 ~baseuri ~alias_only status in
326 HLog.warn ("done: include " ^ (if alias_only then "alias " else "") ^ fname);
329 register#run "include" aux
331 let require ~baseuri ~fname ~alias_only status =
333 alias_only || List.mem baseuri (get_transitively_included (D.get status)) in
335 if not alias_only then
336 let s = D.get status in
340 includes = baseuri::s#dump.includes;
341 dependencies = fname::s#dump.dependencies})
344 let status = require2 ~baseuri ~alias_only status in
345 let s = D.get status in
349 objs = record_include (baseuri,fname)::s#dump.objs })
352 let fetch_obj user status uri =
353 let obj = require0 user ~baseuri:uri in
354 refresh_uri_in_obj status obj
357 let resolve st name =
360 (fun (_,name',nref) -> if name'=name then Some nref else None)
361 (!(st#lib_db.local_aliases) @ get_global_aliases ())
363 Not_found -> raise (NCicEnvironment.ObjectNotFound (lazy name))
366 let aliases_of st uri =
368 (fun (uri',_,nref) ->
369 if NUri.eq uri' uri then Some nref else None) !(st#lib_db.local_aliases)
372 let add_obj status ((u,_,_,_,_) as obj) =
373 NCicEnvironment.check_and_add_obj status obj;
374 status#lib_db.storage := (`Obj (u,obj))::!(status#lib_db.storage);
375 let _,height,_,_,obj = obj in
378 NCic.Constant (_,name,None,_,_) ->
379 [u,name,NReference.reference_of_spec u NReference.Decl]
380 | NCic.Constant (_,name,Some _,_,_) ->
381 [u,name,NReference.reference_of_spec u (NReference.Def height)]
382 | NCic.Fixpoint (is_ind,fl,_) ->
384 (fun (_,name,recno,_,_) i ->
386 u,name,NReference.reference_of_spec u(NReference.Fix(i,recno,height))
388 u,name,NReference.reference_of_spec u (NReference.CoFix i)) fl
389 | NCic.Inductive (inductive,leftno,il,_) ->
392 (fun (_,iname,_,cl) i ->
396 NReference.reference_of_spec u (NReference.Con (i,j+1,leftno))
399 NReference.reference_of_spec u
400 (NReference.Ind (inductive,i,leftno))]
403 status#lib_db.local_aliases := references @ !(status#lib_db.local_aliases);
404 status#set_timestamp (!(status#lib_db.storage),!(status#lib_db.local_aliases))
407 let add_constraint status u1 u2 =
410 (function `Constr (u1',u2') when u1=u1' && u2=u2' -> true | _ -> false)
411 !(status#lib_db.storage)
413 (*CSC: raise an exception here! *)
414 (prerr_endline "CANNOT ADD A CONSTRAINT TWICE"; assert false);
415 NCicEnvironment.add_lt_constraint status u1 u2;
416 status#lib_db.storage := (`Constr (u1,u2)) :: !(status#lib_db.storage);
417 status#set_timestamp (!(status#lib_db.storage),!(status#lib_db.local_aliases))
420 let get_obj status u =
425 (function `Obj (u,o) -> Some (u,o) | _ -> None )
426 !(status#lib_db.storage))
428 try fetch_obj (status#user) status u
430 raise (NCicEnvironment.ObjectNotFound (lazy (NUri.string_of_uri u)))
433 NCicEnvironment.set_get_obj
434 (get_obj :> NCicEnvironment.status -> NUri.uri -> NCic.obj);;