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
91 let storage = ref [];;
92 let local_aliases = ref [];;
94 let load_db,set_global_aliases,get_global_aliases,add_deps,get_deps,remove_deps=
95 let global_aliases = ref [] in
96 let rev_includes_map = ref NUri.UriMap.empty in
98 let ch = open_out (db_path ()) in
99 Marshal.to_channel ch (magic,(!global_aliases,!rev_includes_map)) [];
102 HExtlib.mkdir (Helm_registry.get "matita.basedir");
104 let ga,im = require_path (db_path ()) in
107 (fun (uri,name,NReference.Ref (uri2,spec)) ->
108 refresh_uri uri,name,NReference.reference_of_spec (refresh_uri uri2) spec
112 (fun u l im -> NUri.UriMap.add (refresh_uri u) (List.map refresh_uri l) im
113 ) im NUri.UriMap.empty
115 global_aliases := ga;
116 rev_includes_map := im
120 let get_deps_one_step u =
121 try NUri.UriMap.find u !rev_includes_map with Not_found -> [] in
126 if List.mem he res then
129 aux (he::res) (get_deps_one_step he @ tl)
133 rev_includes_map := NUri.UriMap.remove u !rev_includes_map;
136 (fun l -> List.filter (fun uri -> not (NUri.eq u uri)) l) !rev_includes_map;
140 (fun ga -> global_aliases := ga; store_db ()),
141 (fun () -> !global_aliases),
143 rev_includes_map := NUri.UriMap.add u (l @ get_deps u) !rev_includes_map;
151 class virtual status uid =
153 inherit NCic.status uid
154 val timestamp = (time0 : timestamp)
155 method timestamp = timestamp
156 method set_timestamp v = {< timestamp = v >}
159 let time_travel0 (sto,ali) =
160 let diff_len = List.length !storage - List.length sto in
161 let to_be_deleted,_ = HExtlib.split_nth diff_len !storage in
162 if List.length to_be_deleted > 0 then
163 List.iter NCicEnvironment.invalidate_item to_be_deleted;
164 storage := sto; local_aliases := ali
167 let time_travel status = time_travel0 status#timestamp;;
169 type obj = string * Obj.t
170 (* includes are transitively closed; dependencies are only immediate *)
172 { objs: obj list ; includes: NUri.uri list; dependencies: string list }
174 class type g_dumpable_status =
179 (* uid = None --> single user mode *)
180 class dumpable_status =
182 val db = { objs = []; includes = []; dependencies = [] }
184 method set_dump v = {< db = v >}
185 method set_dumpable_status
186 : 'status. #g_dumpable_status as 'status -> 'self
187 = fun o -> {< db = o#dump >}
190 let get_transitively_included status =
194 let dump_obj status obj =
195 status#set_dump {status#dump with objs = obj::status#dump.objs }
198 module type SerializerType =
202 type 'a register_type =
204 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
205 refresh_uri_in_term:(NCic.status -> NCic.term -> NCic.term) ->
206 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
208 dumpable_status -> dumpable_status
210 val register: < run: 'a. string -> 'a register_type -> ('a -> obj) >
211 val serialize: baseuri:NUri.uri -> dumpable_status -> unit
213 baseuri:NUri.uri -> fname:string -> alias_only:bool ->
214 dumpable_status -> dumpable_status
215 val dependencies_of: string option -> baseuri:NUri.uri -> string list
218 module Serializer(D: sig type dumpable_s val get: dumpable_s -> dumpable_status
219 val set: dumpable_s -> dumpable_status -> dumpable_s val user : dumpable_s ->
222 type dumpable_status = D.dumpable_s
223 type 'a register_type =
225 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
226 refresh_uri_in_term:(NCic.status -> NCic.term -> NCic.term) ->
227 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
229 dumpable_status -> dumpable_status
231 let require1 = ref (fun ~alias_only:_ _ -> assert false) (* unknown data*)
232 let already_registered = ref []
236 method run : 'a. string -> 'a register_type -> ('a -> obj)
238 assert (not (List.mem tag !already_registered));
239 already_registered := tag :: !already_registered;
240 let old_require1 = !require1 in
241 prerr_endline "let old_require 1 superata";
243 (fun ~alias_only ((tag',data) as x) ->
245 (prerr_endline ("requiring tag': " ^ tag');
246 require (Obj.magic data) ~refresh_uri_in_universe ~refresh_uri_in_term
247 ~refresh_uri_in_reference ~alias_only)
249 old_require1 ~alias_only x);
250 prerr_endline ("added require tag" ^ tag);
251 (fun x -> tag,Obj.repr x)
254 let serialize ~baseuri status =
255 let ch = open_out (ng_path_of_baseuri (D.user status) baseuri) in
256 Marshal.to_channel ch (magic,((D.get status)#dump.dependencies,(D.get status)#dump.objs)) [];
258 let deps = String.concat ", " ((D.get status)#dump.dependencies) in
259 prerr_endline ("dumping dependencies:\n" ^ deps ^ "\nend of deps");
263 let ch = open_out (ng_path_of_baseuri (D.user status) uri) in
264 Marshal.to_channel ch (magic,obj) [];
268 set_global_aliases (!local_aliases @ get_global_aliases ());
269 List.iter (fun u -> add_deps u [baseuri]) (D.get status)#dump.includes;
272 let require2 ~baseuri ~alias_only status =
274 let s = D.get status in
279 includes = baseuri::List.filter ((<>) baseuri) s#dump.includes}) in
280 let _dependencies,dump = require0 (D.user status) ~baseuri in
281 List.fold_right (!require1 ~alias_only) dump status
284 raise (IncludedFileNotCompiled(ng_path_of_baseuri (D.user status) baseuri,NUri.string_of_uri baseuri))
286 let dependencies_of user ~baseuri = fst (require0 user ~baseuri)
289 let aux (baseuri,fname) ~refresh_uri_in_universe:_ ~refresh_uri_in_term:_
290 ~refresh_uri_in_reference:_ ~alias_only status =
292 alias_only || List.mem baseuri (get_transitively_included (D.get status))
294 HLog.warn ("include " ^ (if alias_only then "alias " else "") ^ fname);
295 let status = require2 ~baseuri ~alias_only status in
296 HLog.warn ("done: include " ^ (if alias_only then "alias " else "") ^ fname);
299 register#run "include" aux
301 let require ~baseuri ~fname ~alias_only status =
303 alias_only || List.mem baseuri (get_transitively_included (D.get status)) in
305 if not alias_only then
306 let s = D.get status in
310 includes = baseuri::s#dump.includes;
311 dependencies = fname::s#dump.dependencies})
314 let status = require2 ~baseuri ~alias_only status in
315 let s = D.get status in
319 objs = record_include (baseuri,fname)::s#dump.objs })
322 let fetch_obj user status uri =
323 let obj = require0 user ~baseuri:uri in
324 refresh_uri_in_obj status obj
330 (fun (_,name',nref) -> if name'=name then Some nref else None)
331 (!local_aliases @ get_global_aliases ())
333 Not_found -> raise (NCicEnvironment.ObjectNotFound (lazy name))
338 (fun (uri',_,nref) ->
339 if NUri.eq uri' uri then Some nref else None) !local_aliases
342 let add_obj status ((u,_,_,_,_) as obj) =
343 NCicEnvironment.check_and_add_obj status obj;
344 storage := (`Obj (u,obj))::!storage;
345 let _,height,_,_,obj = obj in
348 NCic.Constant (_,name,None,_,_) ->
349 [u,name,NReference.reference_of_spec u NReference.Decl]
350 | NCic.Constant (_,name,Some _,_,_) ->
351 [u,name,NReference.reference_of_spec u (NReference.Def height)]
352 | NCic.Fixpoint (is_ind,fl,_) ->
354 (fun (_,name,recno,_,_) i ->
356 u,name,NReference.reference_of_spec u(NReference.Fix(i,recno,height))
358 u,name,NReference.reference_of_spec u (NReference.CoFix i)) fl
359 | NCic.Inductive (inductive,leftno,il,_) ->
362 (fun (_,iname,_,cl) i ->
366 NReference.reference_of_spec u (NReference.Con (i,j+1,leftno))
369 NReference.reference_of_spec u
370 (NReference.Ind (inductive,i,leftno))]
373 local_aliases := references @ !local_aliases;
374 status#set_timestamp (!storage,!local_aliases)
377 let add_constraint status u1 u2 =
380 (function `Constr (u1',u2') when u1=u1' && u2=u2' -> true | _ -> false)
383 (*CSC: raise an exception here! *)
384 (prerr_endline "CANNOT ADD A CONSTRAINT TWICE"; assert false);
385 NCicEnvironment.add_lt_constraint u1 u2;
386 storage := (`Constr (u1,u2)) :: !storage;
387 status#set_timestamp (!storage,!local_aliases)
390 let get_obj status u =
394 (function `Obj (u,o) -> Some (u,o) | _ -> None )
397 try fetch_obj (status#user) status u
399 raise (NCicEnvironment.ObjectNotFound (lazy (NUri.string_of_uri u)))
402 NCicEnvironment.set_get_obj get_obj;;