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) 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 = Helm_registry.get "matita.basedir" ^ path in
58 let dirname = Filename.dirname path in
59 HExtlib.mkdir dirname;
66 let require_path path =
67 let ch = open_in path in
68 let mmagic,dump = Marshal.from_channel ch in
70 if mmagic <> magic then
71 raise (LibraryOutOfSync (lazy "The library is out of sync with the implementation. Please recompile the library."))
76 let require0 ~baseuri = require_path (ng_path_of_baseuri baseuri)
78 let db_path () = Helm_registry.get "matita.basedir" ^ "/ng_db.ng";;
81 [ `Obj of NUri.uri * NCic.obj
82 | `Constr of NCic.universe * NCic.universe] list *
83 (NUri.uri * string * NReference.reference) list
87 let storage = ref [];;
88 let local_aliases = ref [];;
90 let load_db,set_global_aliases,get_global_aliases,add_deps,get_deps,remove_deps=
91 let global_aliases = ref [] in
92 let rev_includes_map = ref NUri.UriMap.empty in
94 let ch = open_out (db_path ()) in
95 Marshal.to_channel ch (magic,(!global_aliases,!rev_includes_map)) [];
98 HExtlib.mkdir (Helm_registry.get "matita.basedir");
100 let ga,im = require_path (db_path ()) in
103 (fun (uri,name,NReference.Ref (uri2,spec)) ->
104 refresh_uri uri,name,NReference.reference_of_spec (refresh_uri uri2) spec
108 (fun u l im -> NUri.UriMap.add (refresh_uri u) (List.map refresh_uri l) im
109 ) im NUri.UriMap.empty
111 global_aliases := ga;
112 rev_includes_map := im
116 let get_deps_one_step u =
117 try NUri.UriMap.find u !rev_includes_map with Not_found -> [] in
122 if List.mem he res then
125 aux (he::res) (get_deps_one_step he @ tl)
129 rev_includes_map := NUri.UriMap.remove u !rev_includes_map;
132 (fun l -> List.filter (fun uri -> not (NUri.eq u uri)) l) !rev_includes_map;
136 (fun ga -> global_aliases := ga; store_db ()),
137 (fun () -> !global_aliases),
139 rev_includes_map := NUri.UriMap.add u (l @ get_deps u) !rev_includes_map;
147 class virtual status =
149 inherit NCicExtraction.status
150 val timestamp = (time0 : timestamp)
151 method timestamp = timestamp
152 method set_timestamp v = {< timestamp = v >}
153 (*CSC: bug here, we are not copying the NCicExtraction part of the status *)
156 let time_travel0 (sto,ali) =
157 let diff_len = List.length !storage - List.length sto in
158 let to_be_deleted,_ = HExtlib.split_nth diff_len !storage in
159 if List.length to_be_deleted > 0 then
160 List.iter NCicEnvironment.invalidate_item to_be_deleted;
161 storage := sto; local_aliases := ali
164 let time_travel status = time_travel0 status#timestamp;;
167 let sto,ali = status#timestamp in
168 storage := sto; local_aliases := ali
171 type obj = string * Obj.t
172 (* includes are transitively closed; dependencies are only immediate *)
174 { objs: obj list ; includes: NUri.uri list; dependencies: string list }
176 class type g_dumpable_status =
181 class dumpable_status =
183 val db = { objs = []; includes = []; dependencies = [] }
185 method set_dump v = {< db = v >}
186 method set_dumpable_status
187 : 'status. #g_dumpable_status as 'status -> 'self
188 = fun o -> {< db = o#dump >}
191 let get_transitively_included status =
195 let dump_obj status obj =
196 status#set_dump {status#dump with objs = obj::status#dump.objs }
199 module type SerializerType =
203 type 'a register_type =
205 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
206 refresh_uri_in_term:(NCic.status -> NCic.term -> NCic.term) ->
207 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
209 dumpable_status -> dumpable_status
211 val register: < run: 'a. string -> 'a register_type -> ('a -> obj) >
212 val serialize: baseuri:NUri.uri -> dumpable_status -> unit
214 baseuri:NUri.uri -> fname:string -> alias_only:bool ->
215 dumpable_status -> dumpable_status
216 val dependencies_of: baseuri:NUri.uri -> string list
219 module Serializer(D: sig type dumpable_s = private #dumpable_status end) =
221 type dumpable_status = D.dumpable_s
222 type 'a register_type =
224 refresh_uri_in_universe:(NCic.universe -> NCic.universe) ->
225 refresh_uri_in_term:(NCic.status -> NCic.term -> NCic.term) ->
226 refresh_uri_in_reference:(NReference.reference -> NReference.reference) ->
228 dumpable_status -> dumpable_status
230 let require1 = ref (fun ~alias_only:_ _ -> assert false) (* unknown data*)
231 let already_registered = ref []
235 method run : 'a. string -> 'a register_type -> ('a -> obj)
237 assert (not (List.mem tag !already_registered));
238 already_registered := tag :: !already_registered;
239 let old_require1 = !require1 in
241 (fun ~alias_only ((tag',data) as x) ->
243 require (Obj.magic data) ~refresh_uri_in_universe ~refresh_uri_in_term
244 ~refresh_uri_in_reference ~alias_only
246 old_require1 ~alias_only x);
247 (fun x -> tag,Obj.repr x)
250 let serialize ~baseuri status =
251 let ch = open_out (ng_path_of_baseuri baseuri) in
252 Marshal.to_channel ch (magic,(status#dump.dependencies,status#dump.objs)) [];
257 let ch = open_out (ng_path_of_baseuri uri) in
258 Marshal.to_channel ch (magic,obj) [];
262 set_global_aliases (!local_aliases @ get_global_aliases ());
263 List.iter (fun u -> add_deps u [baseuri]) status#dump.includes;
266 let require2 ~baseuri ~alias_only status =
271 includes = baseuri::List.filter ((<>) baseuri) status#dump.includes} in
272 let _dependencies,dump = require0 ~baseuri in
273 List.fold_right (!require1 ~alias_only) dump status
276 raise (IncludedFileNotCompiled(ng_path_of_baseuri baseuri,NUri.string_of_uri baseuri))
278 let dependencies_of ~baseuri = fst (require0 ~baseuri)
281 let aux (baseuri,fname) ~refresh_uri_in_universe:_ ~refresh_uri_in_term:_
282 ~refresh_uri_in_reference:_ ~alias_only status =
283 let baseuri = refresh_uri baseuri in
284 if not alias_only && List.mem baseuri (get_transitively_included status) then status
286 (HLog.warn ("include " ^ (if alias_only then "alias " else "") ^ fname);
287 let status = require2 ~baseuri ~alias_only status in
288 HLog.warn ("done: include " ^ (if alias_only then "alias " else "") ^ fname);
291 register#run "include" aux
293 let require ~baseuri ~fname ~alias_only status =
294 if not alias_only && List.mem baseuri (get_transitively_included status) then status
297 if not alias_only then
299 {status#dump with dependencies = fname::status#dump.dependencies}
302 let status = require2 ~baseuri ~alias_only status in
305 objs = record_include (baseuri,fname)::status#dump.objs })
308 let fetch_obj status uri =
309 let obj = require0 ~baseuri:uri in
310 refresh_uri_in_obj status obj
316 (fun (_,name',nref) -> if name'=name then Some nref else None)
317 (!local_aliases @ get_global_aliases ())
319 Not_found -> raise (NCicEnvironment.ObjectNotFound (lazy name))
324 (fun (uri',_,nref) ->
325 if NUri.eq uri' uri then Some nref else None) !local_aliases
328 let add_obj status ((u,_,_,_,_) as orig_obj) =
329 NCicEnvironment.check_and_add_obj status orig_obj;
330 storage := (`Obj (u,orig_obj))::!storage;
331 let _,height,_,_,obj = orig_obj in
334 NCic.Constant (_,name,None,_,_) ->
335 [u,name,NReference.reference_of_spec u NReference.Decl]
336 | NCic.Constant (_,name,Some _,_,_) ->
337 [u,name,NReference.reference_of_spec u (NReference.Def height)]
338 | NCic.Fixpoint (is_ind,fl,_) ->
340 (fun (_,name,recno,_,_) i ->
342 u,name,NReference.reference_of_spec u(NReference.Fix(i,recno,height))
344 u,name,NReference.reference_of_spec u (NReference.CoFix i)) fl
345 | NCic.Inductive (inductive,leftno,il,_) ->
348 (fun (_,iname,_,cl) i ->
352 NReference.reference_of_spec u (NReference.Con (i,j+1,leftno))
355 NReference.reference_of_spec u
356 (NReference.Ind (inductive,i,leftno))]
359 local_aliases := references @ !local_aliases;
360 let status = status#set_timestamp (!storage,!local_aliases) in
361 (* To test extraction *)
363 ignore (Helm_registry.get "extract_haskell");
364 let status,msg = NCicExtraction.haskell_of_obj status orig_obj in
365 prerr_endline msg; status
367 Helm_registry.Key_not_found _ -> status
370 let add_constraint status u1 u2 =
373 (function `Constr (u1',u2') when u1=u1' && u2=u2' -> true | _ -> false)
376 (*CSC: raise an exception here! *)
377 (prerr_endline "CANNOT ADD A CONSTRAINT TWICE"; assert false);
378 NCicEnvironment.add_lt_constraint u1 u2;
379 storage := (`Constr (u1,u2)) :: !storage;
380 status#set_timestamp (!storage,!local_aliases)
383 let get_obj status u =
387 (function `Obj (u,o) -> Some (u,o) | _ -> None )
390 try fetch_obj status u
392 raise (NCicEnvironment.ObjectNotFound (lazy (NUri.string_of_uri u)))
395 NCicEnvironment.set_get_obj get_obj;;