1 (* Copyright (C) 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/
29 (* mo file name, ma file name *)
30 (*exception IncludedFileNotCompiled of string * string *)
31 exception NMacro of GrafiteAst.loc * GrafiteAst.nmacro
33 type 'a disambiguator_input = string * int * 'a
36 do_heavy_checks: bool ;
39 let basic_eval_unification_hint (t,n) status =
40 NCicUnifHint.add_user_provided_hint status t n
43 let inject_unification_hint =
44 let basic_eval_unification_hint (t,n)
45 ~refresh_uri_in_universe
48 let t = refresh_uri_in_term t in basic_eval_unification_hint (t,n)
50 NCicLibrary.Serializer.register#run "unification_hints"
51 object(_ : 'a NCicLibrary.register_type)
52 method run = basic_eval_unification_hint
56 let eval_unification_hint status t n =
57 let metasenv,subst,status,t =
58 GrafiteDisambiguate.disambiguate_nterm None status [] [] [] ("",0,t) in
60 let t = NCicUntrusted.apply_subst subst [] t in
61 let status = basic_eval_unification_hint (t,n) status in
62 let dump = inject_unification_hint (t,n)::status#dump in
63 let status = status#set_dump dump in
67 let basic_index_obj l status =
71 List.fold_left (fun t k ->
72 NDiscriminationTree.DiscriminationTree.index t k v)
77 let record_index_obj =
79 ~refresh_uri_in_universe
84 (fun ks,v -> List.map refresh_uri_in_term ks, refresh_uri_in_term v)
87 NCicLibrary.Serializer.register#run "index_obj"
88 object(_ : 'a NCicLibrary.register_type)
93 let compute_keys status uri height kind =
95 let orig_ty = NTacStatus.mk_cic_term [] ty in
96 let status,keys = NnAuto.keys_of_type status orig_ty in
100 snd (NTacStatus.term_of_cic_term status t (NTacStatus.ctx_of t)))
103 keys,NCic.Const(NReference.reference_of_spec uri spec)
107 | NCic.Fixpoint (ind,ifl,_) ->
109 (fun (_,_,rno,ty,_) i ->
110 if ind then mk_item ty (NReference.Fix (i,rno,height))
111 else mk_item ty (NReference.CoFix height)) ifl
112 | NCic.Inductive (b,lno,itl,_) ->
114 (fun (_,_,ty,_) i -> mk_item ty (NReference.Ind (b,i,lno))) itl
116 List.map (fun ((_,_,ty),i,j) -> mk_item ty (NReference.Con (i,j+1,lno)))
117 (List.flatten (HExtlib.list_mapi
118 (fun (_,_,_,cl) i -> HExtlib.list_mapi (fun x j-> x,i,j) cl)
120 | NCic.Constant (_,_,Some _, ty, _) ->
121 [ mk_item ty (NReference.Def height) ]
122 | NCic.Constant (_,_,None, ty, _) ->
123 [ mk_item ty NReference.Decl ]
127 let keys = List.filter
130 | (NCic.Appl (NCic.Meta _::_)) -> false
136 HLog.debug ("Indexing:" ^
137 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t);
138 HLog.debug ("With keys:" ^ String.concat "\n" (List.map (fun t ->
139 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t) keys));
144 HLog.debug ("Not indexing:" ^
145 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t);
151 let index_obj_for_auto status (uri, height, _, _, kind) =
152 (*prerr_endline (string_of_int height);*)
153 let data = compute_keys status uri height kind in
154 let status = basic_index_obj data status in
155 let dump = record_index_obj data :: status#dump in
159 let index_eq uri status =
160 let eq_status = status#eq_cache in
161 let eq_status1 = NCicParamod.index_obj eq_status uri in
162 status#set_eq_cache eq_status1
165 let record_index_eq =
166 let basic_index_eq uri
167 ~refresh_uri_in_universe
169 = index_eq (NCicLibrary.refresh_uri uri)
171 NCicLibrary.Serializer.register#run "index_eq"
172 object(_ : 'a NCicLibrary.register_type)
173 method run = basic_index_eq
177 let index_eq_for_auto status uri =
178 if NnAuto.is_a_fact_obj status uri then
179 let newstatus = index_eq uri status in
180 if newstatus#eq_cache == status#eq_cache then status
182 ((*prerr_endline ("recording " ^ (NUri.string_of_uri uri));*)
183 let dump = record_index_eq uri :: newstatus#dump
184 in newstatus#set_dump dump)
186 ((*prerr_endline "Not a fact";*)
190 let basic_eval_add_constraint (u1,u2) status =
191 NCicLibrary.add_constraint status u1 u2
194 let inject_constraint =
195 let basic_eval_add_constraint (u1,u2)
196 ~refresh_uri_in_universe
199 let u1 = refresh_uri_in_universe u1 in
200 let u2 = refresh_uri_in_universe u2 in
201 basic_eval_add_constraint (u1,u2)
203 NCicLibrary.Serializer.register#run "constraints"
204 object(_:'a NCicLibrary.register_type)
205 method run = basic_eval_add_constraint
209 let eval_add_constraint status u1 u2 =
210 let status = basic_eval_add_constraint (u1,u2) status in
211 let dump = inject_constraint (u1,u2)::status#dump in
212 let status = status#set_dump dump in
216 let eval_ng_tac tac =
217 let rec aux f (text, prefix_len, tac) =
219 | GrafiteAst.NApply (_loc, t) -> NTactics.apply_tac (text,prefix_len,t)
220 | GrafiteAst.NSmartApply (_loc, t) ->
221 NnAuto.smart_apply_tac (text,prefix_len,t)
222 | GrafiteAst.NAssert (_loc, seqs) ->
225 (function (hyps,concl) ->
228 (id,`Decl t) -> id,`Decl (text,prefix_len,t)
229 |(id,`Def (b,t))->id,`Def((text,prefix_len,b),(text,prefix_len,t))
231 (text,prefix_len,concl))
233 | GrafiteAst.NAuto (_loc, (None,a)) ->
234 NnAuto.auto_tac ~params:(None,a) ?trace_ref:None
235 | GrafiteAst.NAuto (_loc, (Some l,a)) ->
237 ~params:(Some List.map (fun x -> "",0,x) l,a) ?trace_ref:None
238 | GrafiteAst.NBranch _ -> NTactics.branch_tac ~force:false
239 | GrafiteAst.NCases (_loc, what, where) ->
241 ~what:(text,prefix_len,what)
242 ~where:(text,prefix_len,where)
243 | GrafiteAst.NCase1 (_loc,n) -> NTactics.case1_tac n
244 | GrafiteAst.NChange (_loc, pat, ww) ->
246 ~where:(text,prefix_len,pat) ~with_what:(text,prefix_len,ww)
247 | GrafiteAst.NConstructor (_loc,num,args) ->
248 NTactics.constructor_tac
249 ?num ~args:(List.map (fun x -> text,prefix_len,x) args)
250 | GrafiteAst.NCut (_loc, t) -> NTactics.cut_tac (text,prefix_len,t)
251 (*| GrafiteAst.NDiscriminate (_,what) -> NDestructTac.discriminate_tac ~what:(text,prefix_len,what)
252 | GrafiteAst.NSubst (_,what) -> NDestructTac.subst_tac ~what:(text,prefix_len,what)*)
253 | GrafiteAst.NDestruct (_,dom,skip) -> NDestructTac.destruct_tac dom skip
254 | GrafiteAst.NDot _ -> NTactics.dot_tac
255 | GrafiteAst.NElim (_loc, what, where) ->
257 ~what:(text,prefix_len,what)
258 ~where:(text,prefix_len,where)
259 | GrafiteAst.NFocus (_,l) -> NTactics.focus_tac l
260 | GrafiteAst.NGeneralize (_loc, where) ->
261 NTactics.generalize_tac ~where:(text,prefix_len,where)
262 | GrafiteAst.NId _ -> (fun x -> x)
263 | GrafiteAst.NIntro (_loc,n) -> NTactics.intro_tac n
264 | GrafiteAst.NIntros (_loc,ns) -> NTactics.intros_tac ns
265 | GrafiteAst.NInversion (_loc, what, where) ->
266 NTactics.inversion_tac
267 ~what:(text,prefix_len,what)
268 ~where:(text,prefix_len,where)
269 | GrafiteAst.NLApply (_loc, t) -> NTactics.lapply_tac (text,prefix_len,t)
270 | GrafiteAst.NLetIn (_loc,where,what,name) ->
271 NTactics.letin_tac ~where:(text,prefix_len,where)
272 ~what:(text,prefix_len,what) name
273 | GrafiteAst.NMerge _ -> NTactics.merge_tac
274 | GrafiteAst.NPos (_,l) -> NTactics.pos_tac l
275 | GrafiteAst.NPosbyname (_,s) -> NTactics.case_tac s
276 | GrafiteAst.NReduce (_loc, reduction, where) ->
277 NTactics.reduce_tac ~reduction ~where:(text,prefix_len,where)
278 | GrafiteAst.NRewrite (_loc,dir,what,where) ->
279 NTactics.rewrite_tac ~dir ~what:(text,prefix_len,what)
280 ~where:(text,prefix_len,where)
281 | GrafiteAst.NSemicolon _ -> fun x -> x
282 | GrafiteAst.NShift _ -> NTactics.shift_tac
283 | GrafiteAst.NSkip _ -> NTactics.skip_tac
284 | GrafiteAst.NUnfocus _ -> NTactics.unfocus_tac
285 | GrafiteAst.NWildcard _ -> NTactics.wildcard_tac
286 | GrafiteAst.NTry (_,tac) -> NTactics.try_tac
287 (aux f (text, prefix_len, tac))
288 | GrafiteAst.NAssumption _ -> NTactics.assumption_tac
289 | GrafiteAst.NBlock (_,l) ->
290 NTactics.block_tac (List.map (fun x -> aux f (text,prefix_len,x)) l)
291 |GrafiteAst.NRepeat (_,tac) ->
292 NTactics.repeat_tac (f f (text, prefix_len, tac))
294 aux aux tac (* trick for non uniform recursion call *)
297 let subst_metasenv_and_fix_names status =
298 let u,h,metasenv, subst,o = status#obj in
300 NCicUntrusted.map_obj_kind ~skip_body:true
301 (NCicUntrusted.apply_subst subst []) o
303 status#set_obj(u,h,NCicUntrusted.apply_subst_metasenv subst metasenv,subst,o)
307 let rec eval_ncommand opts status (text,prefix_len,cmd) =
309 | GrafiteAst.UnificationHint (loc, t, n) -> eval_unification_hint status t n
310 | GrafiteAst.NCoercion (loc, name, t, ty, source, target) ->
311 NCicCoercDeclaration.eval_ncoercion status name t ty source target
312 | GrafiteAst.NQed loc ->
313 if status#ng_mode <> `ProofMode then
314 raise (GrafiteTypes.Command_error "Not in proof mode")
316 let uri,height,menv,subst,obj_kind = status#obj in
319 (GrafiteTypes.Command_error"You can't Qed an incomplete theorem")
322 NCicUntrusted.map_obj_kind
323 (NCicUntrusted.apply_subst subst []) obj_kind in
324 let height = NCicTypeChecker.height_of_obj_kind uri [] obj_kind in
325 (* fix the height inside the object *)
326 let rec fix () = function
327 | NCic.Const (NReference.Ref (u,spec)) when NUri.eq u uri ->
328 NCic.Const (NReference.reference_of_spec u
330 | NReference.Def _ -> NReference.Def height
331 | NReference.Fix (i,j,_) -> NReference.Fix(i,j,height)
332 | NReference.CoFix _ -> NReference.CoFix height
333 | NReference.Ind _ | NReference.Con _
334 | NReference.Decl as s -> s))
335 | t -> NCicUtils.map (fun _ () -> ()) () fix t
340 NCicUntrusted.map_obj_kind (fix ()) obj_kind
343 let obj = uri,height,[],[],obj_kind in
344 prerr_endline ("pp new obj \n"^NCicPp.ppobj obj);
345 let old_status = status in
346 let status = NCicLibrary.add_obj status obj in
349 NCic.Constant (_,_,_,_,(_,`Example,_))
350 | NCic.Fixpoint (_,_,(_,`Example,_)) -> false
355 let status = index_obj_for_auto status obj in
356 (try index_eq_for_auto status uri
363 with _ -> prerr_endline "got an exception"; status
365 (* prerr_endline (NCicPp.ppobj obj); *)
366 HLog.message ("New object: " ^ NUri.string_of_uri uri);
368 (*prerr_endline (NCicPp.ppobj obj);*)
369 let boxml = NCicElim.mk_elims obj in
370 let boxml = boxml @ NCicElim.mk_projections obj in
373 let timestamp,uris_rev =
375 (fun (status,uris_rev) (uri,_,_,_,_) as obj ->
376 let status = NCicLibrary.add_obj status obj in
378 ) (status,[]) objs in
379 let uris = uri::List.rev uris_rev in
381 let status = status#set_ng_mode `CommandMode in
382 let status = LexiconSync.add_aliases_for_objs status [uri] in
385 (fun (status,uris) boxml ->
388 eval_ncommand opts status
389 ("",0,GrafiteAst.NObj (HExtlib.dummy_floc,boxml))
391 if nstatus#ng_mode <> `CommandMode then
393 (*HLog.warn "error in generating projection/eliminator";*)
399 | MultiPassDisambiguator.DisambiguationError _
400 | NCicTypeChecker.TypeCheckerFailure _ ->
401 (*HLog.warn "error in generating projection/eliminator";*)
403 ) (status,[] (* uris *)) boxml in
404 let _,_,_,_,nobj = obj in
405 let status = match nobj with
406 NCic.Inductive (is_ind,leftno,[it],_) ->
407 let _,ind_name,ty,cl = it in
409 (fun status outsort ->
410 let status = status#set_ng_mode `ProofMode in
413 NInversion.mk_inverter
414 (ind_name ^ "_inv_" ^
415 (snd (NCicElim.ast_of_sort outsort)))
416 is_ind it leftno outsort status status#baseuri in
417 let _,_,menv,_,_ = invobj in
419 [] -> eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
422 with _ -> (*HLog.warn "error in generating inversion principle"; *)
423 let status = status#set_ng_mode `CommandMode in status)
426 List.map (fun s -> NCic.Type s) (NCicEnvironment.get_universes ()))
431 _,_,_,_,NCic.Inductive
432 (true,leftno,[_,_,_,[_,_,_]],(_,`Record fields))
435 (fun (name,is_coercion,arity) ->
436 if is_coercion then Some(name,leftno,arity) else None) fields
440 (fun (status,uris) (name,cpos,arity) ->
442 let metasenv,subst,status,t =
443 GrafiteDisambiguate.disambiguate_nterm None status [] [] []
444 ("",0,NotationPt.Ident (name,None)) in
445 assert (metasenv = [] && subst = []);
447 NCicCoercDeclaration.
448 basic_eval_and_record_ncoercion_from_t_cpos_arity
449 status (name,t,cpos,arity)
451 let uris = nuris@uris in
453 with MultiPassDisambiguator.DisambiguationError _->
454 HLog.warn ("error in generating coercion: "^name);
456 (status,uris) coercions
461 NCicLibrary.time_travel old_status;
463 | GrafiteAst.NCopy (log,tgt,src_uri, map) ->
464 if status#ng_mode <> `CommandMode then
465 raise (GrafiteTypes.Command_error "Not in command mode")
467 let tgt_uri_ext, old_ok =
468 match NCicEnvironment.get_checked_obj src_uri with
469 | _,_,[],[], (NCic.Inductive _ as ok) -> ".ind", ok
470 | _,_,[],[], (NCic.Fixpoint _ as ok) -> ".con", ok
471 | _,_,[],[], (NCic.Constant _ as ok) -> ".con", ok
474 let tgt_uri = NUri.uri_of_string (status#baseuri^"/"^tgt^tgt_uri_ext) in
475 let map = (src_uri, tgt_uri) :: map in
477 let rec subst () = function
478 | NCic.Meta _ -> assert false
479 | NCic.Const (NReference.Ref (u,spec)) as t ->
481 (NReference.reference_of_spec (List.assoc u map)spec)
483 | t -> NCicUtils.map (fun _ _ -> ()) () subst t
485 NCicUntrusted.map_obj_kind ~skip_body:false (subst ()) old_ok
487 let ninitial_stack = Continuationals.Stack.of_nmetasenv [] in
488 let status = status#set_obj (tgt_uri,0,[],[],ok) in
489 (*prerr_endline (NCicPp.ppobj (tgt_uri,0,[],[],ok));*)
490 let status = status#set_stack ninitial_stack in
491 let status = subst_metasenv_and_fix_names status in
492 let status = status#set_ng_mode `ProofMode in
493 eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
494 | GrafiteAst.NObj (loc,obj) ->
495 if status#ng_mode <> `CommandMode then
496 raise (GrafiteTypes.Command_error "Not in command mode")
499 GrafiteDisambiguate.disambiguate_nobj status
500 ~baseuri:status#baseuri (text,prefix_len,obj) in
501 let uri,height,nmenv,nsubst,nobj = obj in
502 let ninitial_stack = Continuationals.Stack.of_nmetasenv nmenv in
503 let status = status#set_obj obj in
504 let status = status#set_stack ninitial_stack in
505 let status = subst_metasenv_and_fix_names status in
506 let status = status#set_ng_mode `ProofMode in
509 eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
511 | GrafiteAst.NDiscriminator (_,_) -> assert false (*(loc, indty) ->
512 if status#ng_mode <> `CommandMode then
513 raise (GrafiteTypes.Command_error "Not in command mode")
515 let status = status#set_ng_mode `ProofMode in
516 let metasenv,subst,status,indty =
517 GrafiteDisambiguate.disambiguate_nterm None status [] [] [] (text,prefix_len,indty) in
518 let indtyno, (_,_,tys,_,_) = match indty with
519 NCic.Const ((NReference.Ref (_,NReference.Ind (_,indtyno,_))) as r) ->
520 indtyno, NCicEnvironment.get_checked_indtys r
521 | _ -> prerr_endline ("engine: indty expected... (fix this error message)"); assert false in
522 let it = List.nth tys indtyno in
523 let status,obj = NDestructTac.mk_discriminator it status in
524 let _,_,menv,_,_ = obj in
526 [] -> eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
527 | _ -> prerr_endline ("Discriminator: non empty metasenv");
529 | GrafiteAst.NInverter (loc, name, indty, selection, sort) ->
530 if status#ng_mode <> `CommandMode then
531 raise (GrafiteTypes.Command_error "Not in command mode")
533 let metasenv,subst,status,sort = match sort with
534 | None -> [],[],status,NCic.Sort NCic.Prop
535 | Some s -> GrafiteDisambiguate.disambiguate_nterm None status [] [] []
538 assert (metasenv = []);
539 let sort = NCicReduction.whd ~subst [] sort in
540 let sort = match sort with
542 | _ -> raise (Invalid_argument (Printf.sprintf "ninverter: found target %s, which is not a sort"
543 (NCicPp.ppterm ~metasenv ~subst ~context:[] sort)))
545 let status = status#set_ng_mode `ProofMode in
546 let metasenv,subst,status,indty =
547 GrafiteDisambiguate.disambiguate_nterm None status [] [] subst (text,prefix_len,indty) in
548 let indtyno,(_,leftno,tys,_,_) = match indty with
549 NCic.Const ((NReference.Ref (_,NReference.Ind (_,indtyno,_))) as r) ->
550 indtyno, NCicEnvironment.get_checked_indtys r
551 | _ -> prerr_endline ("engine: indty =" ^ NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] indty) ; assert false in
552 let it = List.nth tys indtyno in
553 let status,obj = NInversion.mk_inverter name true it leftno ?selection sort
554 status status#baseuri in
555 let _,_,menv,_,_ = obj in
558 eval_ncommand opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
560 | GrafiteAst.NUnivConstraint (loc,u1,u2) ->
561 eval_add_constraint status [`Type,u1] [`Type,u2]
564 let eval_comment ~disambiguate_command opts status (text,prefix_len,c) =
567 let rec eval_command ~disambiguate_command opts status (text,prefix_len,cmd) =
568 let status,cmd = disambiguate_command status (text,prefix_len,cmd) in
571 | GrafiteAst.Include (loc, baseuri) ->
574 let moopath_rw, moopath_r =
575 LibraryMisc.obj_file_of_baseuri
576 ~must_exist:false ~baseuri ~writable:true,
577 LibraryMisc.obj_file_of_baseuri
578 ~must_exist:false ~baseuri ~writable:false in
580 if Sys.file_exists moopath_r then moopath_r else
581 if Sys.file_exists moopath_rw then moopath_rw else
582 raise (IncludedFileNotCompiled (moopath_rw,baseuri))
584 eval_from_moo status moopath
587 NCicLibrary.Serializer.require ~baseuri:(NUri.uri_of_string baseuri)
590 GrafiteTypes.add_moo_content
591 [GrafiteAst.Include (loc,baseuri)] status
594 | GrafiteAst.Print (_,_) -> status,[]
595 | GrafiteAst.Set (loc, name, value) -> status, []
599 and eval_executable ~disambiguate_command opts status (text,prefix_len,ex) =
601 | GrafiteAst.NTactic (_(*loc*), tacl) ->
602 if status#ng_mode <> `ProofMode then
603 raise (GrafiteTypes.Command_error "Not in proof mode")
608 let status = eval_ng_tac (text,prefix_len,tac) status in
609 subst_metasenv_and_fix_names status)
613 | GrafiteAst.Command (_, cmd) ->
614 eval_command ~disambiguate_command opts status (text,prefix_len,cmd)
615 | GrafiteAst.NCommand (_, cmd) ->
616 eval_ncommand opts status (text,prefix_len,cmd)
617 | GrafiteAst.NMacro (loc, macro) ->
618 raise (NMacro (loc,macro))
620 and eval_from_moo status fname =
622 ("",0,GrafiteAst.Executable (HExtlib.dummy_floc,
623 GrafiteAst.Command (HExtlib.dummy_floc,
626 let moo = GrafiteMarshal.load_moo fname in
629 let ast = ast_of_cmd ast in
631 eval_ast ~disambiguate_command:(fun status (_,_,cmd) -> status,cmd)
638 and eval_ast ~disambiguate_command ?(do_heavy_checks=false) status
641 let opts = { do_heavy_checks = do_heavy_checks ; } in
643 | GrafiteAst.Executable (_,ex) ->
644 eval_executable ~disambiguate_command opts status (text,prefix_len,ex)
645 | GrafiteAst.Comment (_,c) ->
646 eval_comment ~disambiguate_command opts status (text,prefix_len,c)