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/
28 (* mo file name, ma file name *)
29 exception NMacro of GrafiteAst.loc * GrafiteAst.nmacro
31 type 'a disambiguator_input = string * int * 'a
34 do_heavy_checks: bool ;
37 let basic_eval_unification_hint (t,n) status =
38 NCicUnifHint.add_user_provided_hint status t n
41 let inject_unification_hint =
42 let basic_eval_unification_hint (t,n)
43 ~refresh_uri_in_universe
46 let t = refresh_uri_in_term t in basic_eval_unification_hint (t,n)
48 GrafiteTypes.Serializer.register#run "unification_hints"
49 basic_eval_unification_hint
52 let eval_unification_hint status t n =
53 let metasenv,subst,status,t =
54 GrafiteDisambiguate.disambiguate_nterm None status [] [] [] ("",0,t) in
56 let t = NCicUntrusted.apply_subst subst [] t in
57 let status = basic_eval_unification_hint (t,n) status in
58 let dump = inject_unification_hint (t,n)::status#dump in
59 let status = status#set_dump dump in
63 let basic_index_obj l status =
67 List.fold_left (fun t k ->
68 NDiscriminationTree.DiscriminationTree.index t k v)
73 let record_index_obj =
75 ~refresh_uri_in_universe
80 (fun ks,v -> List.map refresh_uri_in_term ks, refresh_uri_in_term v)
83 GrafiteTypes.Serializer.register#run "index_obj" aux
86 let compute_keys status uri height kind =
88 let orig_ty = NTacStatus.mk_cic_term [] ty in
89 let status,keys = NnAuto.keys_of_type status orig_ty in
93 snd (NTacStatus.term_of_cic_term status t (NTacStatus.ctx_of t)))
96 keys,NCic.Const(NReference.reference_of_spec uri spec)
100 | NCic.Fixpoint (ind,ifl,_) ->
102 (fun (_,_,rno,ty,_) i ->
103 if ind then mk_item ty (NReference.Fix (i,rno,height))
104 else mk_item ty (NReference.CoFix height)) ifl
105 | NCic.Inductive (b,lno,itl,_) ->
107 (fun (_,_,ty,_) i -> mk_item ty (NReference.Ind (b,i,lno))) itl
109 List.map (fun ((_,_,ty),i,j) -> mk_item ty (NReference.Con (i,j+1,lno)))
110 (List.flatten (HExtlib.list_mapi
111 (fun (_,_,_,cl) i -> HExtlib.list_mapi (fun x j-> x,i,j) cl)
113 | NCic.Constant (_,_,Some _, ty, _) ->
114 [ mk_item ty (NReference.Def height) ]
115 | NCic.Constant (_,_,None, ty, _) ->
116 [ mk_item ty NReference.Decl ]
120 let keys = List.filter
123 | (NCic.Appl (NCic.Meta _::_)) -> false
129 HLog.debug ("Indexing:" ^
130 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t);
131 HLog.debug ("With keys:" ^ String.concat "\n" (List.map (fun t ->
132 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t) keys));
137 HLog.debug ("Not indexing:" ^
138 NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] t);
144 let index_obj_for_auto status (uri, height, _, _, kind) =
145 (*prerr_endline (string_of_int height);*)
146 let data = compute_keys status uri height kind in
147 let status = basic_index_obj data status in
148 let dump = record_index_obj data :: status#dump in
152 let index_eq uri status =
153 let eq_status = status#eq_cache in
154 let eq_status1 = NCicParamod.index_obj eq_status uri in
155 status#set_eq_cache eq_status1
158 let record_index_eq =
159 let basic_index_eq uri
160 ~refresh_uri_in_universe
162 = index_eq (NCicLibrary.refresh_uri uri)
164 GrafiteTypes.Serializer.register#run "index_eq" basic_index_eq
167 let index_eq_for_auto status uri =
168 if NnAuto.is_a_fact_obj status uri then
169 let newstatus = index_eq uri status in
170 if newstatus#eq_cache == status#eq_cache then status
172 ((*prerr_endline ("recording " ^ (NUri.string_of_uri uri));*)
173 let dump = record_index_eq uri :: newstatus#dump
174 in newstatus#set_dump dump)
176 ((*prerr_endline "Not a fact";*)
180 let basic_eval_add_constraint (u1,u2) status =
181 NCicLibrary.add_constraint status u1 u2
184 let inject_constraint =
185 let basic_eval_add_constraint (u1,u2)
186 ~refresh_uri_in_universe
189 let u1 = refresh_uri_in_universe u1 in
190 let u2 = refresh_uri_in_universe u2 in
191 basic_eval_add_constraint (u1,u2)
193 GrafiteTypes.Serializer.register#run "constraints" basic_eval_add_constraint
196 let eval_add_constraint status u1 u2 =
197 let status = basic_eval_add_constraint (u1,u2) status in
198 let dump = inject_constraint (u1,u2)::status#dump in
199 let status = status#set_dump dump in
203 let eval_ng_tac tac =
204 let rec aux f (text, prefix_len, tac) =
206 | GrafiteAst.NApply (_loc, t) -> NTactics.apply_tac (text,prefix_len,t)
207 | GrafiteAst.NSmartApply (_loc, t) ->
208 NnAuto.smart_apply_tac (text,prefix_len,t)
209 | GrafiteAst.NAssert (_loc, seqs) ->
212 (function (hyps,concl) ->
215 (id,`Decl t) -> id,`Decl (text,prefix_len,t)
216 |(id,`Def (b,t))->id,`Def((text,prefix_len,b),(text,prefix_len,t))
218 (text,prefix_len,concl))
220 | GrafiteAst.NAuto (_loc, (None,a)) ->
221 NnAuto.auto_tac ~params:(None,a) ?trace_ref:None
222 | GrafiteAst.NAuto (_loc, (Some l,a)) ->
224 ~params:(Some List.map (fun x -> "",0,x) l,a) ?trace_ref:None
225 | GrafiteAst.NBranch _ -> NTactics.branch_tac ~force:false
226 | GrafiteAst.NCases (_loc, what, where) ->
228 ~what:(text,prefix_len,what)
229 ~where:(text,prefix_len,where)
230 | GrafiteAst.NCase1 (_loc,n) -> NTactics.case1_tac n
231 | GrafiteAst.NChange (_loc, pat, ww) ->
233 ~where:(text,prefix_len,pat) ~with_what:(text,prefix_len,ww)
234 | GrafiteAst.NConstructor (_loc,num,args) ->
235 NTactics.constructor_tac
236 ?num ~args:(List.map (fun x -> text,prefix_len,x) args)
237 | GrafiteAst.NCut (_loc, t) -> NTactics.cut_tac (text,prefix_len,t)
238 (*| GrafiteAst.NDiscriminate (_,what) -> NDestructTac.discriminate_tac ~what:(text,prefix_len,what)
239 | GrafiteAst.NSubst (_,what) -> NDestructTac.subst_tac ~what:(text,prefix_len,what)*)
240 | GrafiteAst.NDestruct (_,dom,skip) -> NDestructTac.destruct_tac dom skip
241 | GrafiteAst.NDot _ -> NTactics.dot_tac
242 | GrafiteAst.NElim (_loc, what, where) ->
244 ~what:(text,prefix_len,what)
245 ~where:(text,prefix_len,where)
246 | GrafiteAst.NFocus (_,l) -> NTactics.focus_tac l
247 | GrafiteAst.NGeneralize (_loc, where) ->
248 NTactics.generalize_tac ~where:(text,prefix_len,where)
249 | GrafiteAst.NId _ -> (fun x -> x)
250 | GrafiteAst.NIntro (_loc,n) -> NTactics.intro_tac n
251 | GrafiteAst.NIntros (_loc,ns) -> NTactics.intros_tac ns
252 | GrafiteAst.NInversion (_loc, what, where) ->
253 NTactics.inversion_tac
254 ~what:(text,prefix_len,what)
255 ~where:(text,prefix_len,where)
256 | GrafiteAst.NLApply (_loc, t) -> NTactics.lapply_tac (text,prefix_len,t)
257 | GrafiteAst.NLetIn (_loc,where,what,name) ->
258 NTactics.letin_tac ~where:(text,prefix_len,where)
259 ~what:(text,prefix_len,what) name
260 | GrafiteAst.NMerge _ -> NTactics.merge_tac
261 | GrafiteAst.NPos (_,l) -> NTactics.pos_tac l
262 | GrafiteAst.NPosbyname (_,s) -> NTactics.case_tac s
263 | GrafiteAst.NReduce (_loc, reduction, where) ->
264 NTactics.reduce_tac ~reduction ~where:(text,prefix_len,where)
265 | GrafiteAst.NRewrite (_loc,dir,what,where) ->
266 NTactics.rewrite_tac ~dir ~what:(text,prefix_len,what)
267 ~where:(text,prefix_len,where)
268 | GrafiteAst.NSemicolon _ -> fun x -> x
269 | GrafiteAst.NShift _ -> NTactics.shift_tac
270 | GrafiteAst.NSkip _ -> NTactics.skip_tac
271 | GrafiteAst.NUnfocus _ -> NTactics.unfocus_tac
272 | GrafiteAst.NWildcard _ -> NTactics.wildcard_tac
273 | GrafiteAst.NTry (_,tac) -> NTactics.try_tac
274 (aux f (text, prefix_len, tac))
275 | GrafiteAst.NAssumption _ -> NTactics.assumption_tac
276 | GrafiteAst.NBlock (_,l) ->
277 NTactics.block_tac (List.map (fun x -> aux f (text,prefix_len,x)) l)
278 |GrafiteAst.NRepeat (_,tac) ->
279 NTactics.repeat_tac (f f (text, prefix_len, tac))
281 aux aux tac (* trick for non uniform recursion call *)
284 let subst_metasenv_and_fix_names status =
285 let u,h,metasenv, subst,o = status#obj in
287 NCicUntrusted.map_obj_kind ~skip_body:true
288 (NCicUntrusted.apply_subst subst []) o
290 status#set_obj(u,h,NCicUntrusted.apply_subst_metasenv subst metasenv,subst,o)
294 let rec eval_ncommand ~include_paths opts status (text,prefix_len,cmd) =
296 | GrafiteAst.Include (loc, mode, fname) ->
297 let _root, baseuri, _fullpath, _rrelpath =
298 Librarian.baseuri_of_script ~include_paths fname in
300 GrafiteTypes.Serializer.require ~baseuri:(NUri.uri_of_string baseuri)
302 let status = status#set_dump (obj::status#dump) in
303 assert false (* mode must be passed to GrafiteTypes.Serializer.require
306 | GrafiteAst.UnificationHint (loc, t, n) -> eval_unification_hint status t n
307 | GrafiteAst.NCoercion (loc, name, t, ty, source, target) ->
308 NCicCoercDeclaration.eval_ncoercion status name t ty source target
309 | GrafiteAst.NQed loc ->
310 if status#ng_mode <> `ProofMode then
311 raise (GrafiteTypes.Command_error "Not in proof mode")
313 let uri,height,menv,subst,obj_kind = status#obj in
316 (GrafiteTypes.Command_error"You can't Qed an incomplete theorem")
319 NCicUntrusted.map_obj_kind
320 (NCicUntrusted.apply_subst subst []) obj_kind in
321 let height = NCicTypeChecker.height_of_obj_kind uri [] obj_kind in
322 (* fix the height inside the object *)
323 let rec fix () = function
324 | NCic.Const (NReference.Ref (u,spec)) when NUri.eq u uri ->
325 NCic.Const (NReference.reference_of_spec u
327 | NReference.Def _ -> NReference.Def height
328 | NReference.Fix (i,j,_) -> NReference.Fix(i,j,height)
329 | NReference.CoFix _ -> NReference.CoFix height
330 | NReference.Ind _ | NReference.Con _
331 | NReference.Decl as s -> s))
332 | t -> NCicUtils.map (fun _ () -> ()) () fix t
337 NCicUntrusted.map_obj_kind (fix ()) obj_kind
340 let obj = uri,height,[],[],obj_kind in
341 let old_status = status in
342 let status = NCicLibrary.add_obj status obj in
345 NCic.Constant (_,_,_,_,(_,`Example,_))
346 | NCic.Fixpoint (_,_,(_,`Example,_)) -> false
351 let status = index_obj_for_auto status obj in
352 (try index_eq_for_auto status uri
359 with _ -> prerr_endline "got an exception"; status
361 (* prerr_endline (NCicPp.ppobj obj); *)
362 HLog.message ("New object: " ^ NUri.string_of_uri uri);
364 (*prerr_endline (NCicPp.ppobj obj);*)
365 let boxml = NCicElim.mk_elims obj in
366 let boxml = boxml @ NCicElim.mk_projections obj in
369 let timestamp,uris_rev =
371 (fun (status,uris_rev) (uri,_,_,_,_) as obj ->
372 let status = NCicLibrary.add_obj status obj in
374 ) (status,[]) objs in
375 let uris = uri::List.rev uris_rev in
377 let status = status#set_ng_mode `CommandMode in
378 let status = LexiconSync.add_aliases_for_objs status [uri] in
381 (fun (status,uris) boxml ->
384 eval_ncommand ~include_paths opts status
385 ("",0,GrafiteAst.NObj (HExtlib.dummy_floc,boxml))
387 if nstatus#ng_mode <> `CommandMode then
389 (*HLog.warn "error in generating projection/eliminator";*)
390 assert(status#ng_mode = `CommandMode);
396 | MultiPassDisambiguator.DisambiguationError _
397 | NCicTypeChecker.TypeCheckerFailure _ ->
398 (*HLog.warn "error in generating projection/eliminator";*)
400 ) (status,[] (* uris *)) boxml in
401 let _,_,_,_,nobj = obj in
402 let status = match nobj with
403 NCic.Inductive (is_ind,leftno,[it],_) ->
404 let _,ind_name,ty,cl = it in
406 (fun status outsort ->
407 let status = status#set_ng_mode `ProofMode in
410 NInversion.mk_inverter
411 (ind_name ^ "_inv_" ^
412 (snd (NCicElim.ast_of_sort outsort)))
413 is_ind it leftno outsort status status#baseuri in
414 let _,_,menv,_,_ = invobj in
416 [] -> eval_ncommand ~include_paths opts status
417 ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
420 with _ -> (*HLog.warn "error in generating inversion principle"; *)
421 let status = status#set_ng_mode `CommandMode in status)
424 List.map (fun s -> NCic.Type s) (NCicEnvironment.get_universes ()))
429 _,_,_,_,NCic.Inductive
430 (true,leftno,[_,_,_,[_,_,_]],(_,`Record fields))
433 (fun (name,is_coercion,arity) ->
434 if is_coercion then Some(name,leftno,arity) else None) fields
438 (fun (status,uris) (name,cpos,arity) ->
440 let metasenv,subst,status,t =
441 GrafiteDisambiguate.disambiguate_nterm None status [] [] []
442 ("",0,NotationPt.Ident (name,None)) in
443 assert (metasenv = [] && subst = []);
445 NCicCoercDeclaration.
446 basic_eval_and_record_ncoercion_from_t_cpos_arity
447 status (name,t,cpos,arity)
449 let uris = nuris@uris in
451 with MultiPassDisambiguator.DisambiguationError _->
452 HLog.warn ("error in generating coercion: "^name);
454 (status,uris) coercions
459 NCicLibrary.time_travel old_status;
461 | GrafiteAst.NCopy (log,tgt,src_uri, map) ->
462 if status#ng_mode <> `CommandMode then
463 raise (GrafiteTypes.Command_error "Not in command mode")
465 let tgt_uri_ext, old_ok =
466 match NCicEnvironment.get_checked_obj src_uri with
467 | _,_,[],[], (NCic.Inductive _ as ok) -> ".ind", ok
468 | _,_,[],[], (NCic.Fixpoint _ as ok) -> ".con", ok
469 | _,_,[],[], (NCic.Constant _ as ok) -> ".con", ok
472 let tgt_uri = NUri.uri_of_string (status#baseuri^"/"^tgt^tgt_uri_ext) in
473 let map = (src_uri, tgt_uri) :: map in
475 let rec subst () = function
476 | NCic.Meta _ -> assert false
477 | NCic.Const (NReference.Ref (u,spec)) as t ->
479 (NReference.reference_of_spec (List.assoc u map)spec)
481 | t -> NCicUtils.map (fun _ _ -> ()) () subst t
483 NCicUntrusted.map_obj_kind ~skip_body:false (subst ()) old_ok
485 let ninitial_stack = Continuationals.Stack.of_nmetasenv [] in
486 let status = status#set_obj (tgt_uri,0,[],[],ok) in
487 (*prerr_endline (NCicPp.ppobj (tgt_uri,0,[],[],ok));*)
488 let status = status#set_stack ninitial_stack in
489 let status = subst_metasenv_and_fix_names status in
490 let status = status#set_ng_mode `ProofMode in
491 eval_ncommand ~include_paths opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
492 | GrafiteAst.NObj (loc,obj) ->
493 if status#ng_mode <> `CommandMode then
494 raise (GrafiteTypes.Command_error "Not in command mode")
497 GrafiteDisambiguate.disambiguate_nobj status
498 ~baseuri:status#baseuri (text,prefix_len,obj) in
499 let uri,height,nmenv,nsubst,nobj = obj in
500 let ninitial_stack = Continuationals.Stack.of_nmetasenv nmenv in
501 let status = status#set_obj obj in
502 let status = status#set_stack ninitial_stack in
503 let status = subst_metasenv_and_fix_names status in
504 let status = status#set_ng_mode `ProofMode in
507 eval_ncommand ~include_paths opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
509 | GrafiteAst.NDiscriminator (_,_) -> assert false (*(loc, indty) ->
510 if status#ng_mode <> `CommandMode then
511 raise (GrafiteTypes.Command_error "Not in command mode")
513 let status = status#set_ng_mode `ProofMode in
514 let metasenv,subst,status,indty =
515 GrafiteDisambiguate.disambiguate_nterm None status [] [] [] (text,prefix_len,indty) in
516 let indtyno, (_,_,tys,_,_) = match indty with
517 NCic.Const ((NReference.Ref (_,NReference.Ind (_,indtyno,_))) as r) ->
518 indtyno, NCicEnvironment.get_checked_indtys r
519 | _ -> prerr_endline ("engine: indty expected... (fix this error message)"); assert false in
520 let it = List.nth tys indtyno in
521 let status,obj = NDestructTac.mk_discriminator it status in
522 let _,_,menv,_,_ = obj in
524 [] -> eval_ncommand ~include_paths opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
525 | _ -> prerr_endline ("Discriminator: non empty metasenv");
527 | GrafiteAst.NInverter (loc, name, indty, selection, sort) ->
528 if status#ng_mode <> `CommandMode then
529 raise (GrafiteTypes.Command_error "Not in command mode")
531 let metasenv,subst,status,sort = match sort with
532 | None -> [],[],status,NCic.Sort NCic.Prop
533 | Some s -> GrafiteDisambiguate.disambiguate_nterm None status [] [] []
536 assert (metasenv = []);
537 let sort = NCicReduction.whd ~subst [] sort in
538 let sort = match sort with
540 | _ -> raise (Invalid_argument (Printf.sprintf "ninverter: found target %s, which is not a sort"
541 (NCicPp.ppterm ~metasenv ~subst ~context:[] sort)))
543 let status = status#set_ng_mode `ProofMode in
544 let metasenv,subst,status,indty =
545 GrafiteDisambiguate.disambiguate_nterm None status [] [] subst (text,prefix_len,indty) in
546 let indtyno,(_,leftno,tys,_,_) = match indty with
547 NCic.Const ((NReference.Ref (_,NReference.Ind (_,indtyno,_))) as r) ->
548 indtyno, NCicEnvironment.get_checked_indtys r
549 | _ -> prerr_endline ("engine: indty =" ^ NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] indty) ; assert false in
550 let it = List.nth tys indtyno in
551 let status,obj = NInversion.mk_inverter name true it leftno ?selection sort
552 status status#baseuri in
553 let _,_,menv,_,_ = obj in
556 eval_ncommand ~include_paths opts status ("",0,GrafiteAst.NQed Stdpp.dummy_loc)
558 | GrafiteAst.NUnivConstraint (loc,u1,u2) ->
559 eval_add_constraint status [`Type,u1] [`Type,u2]
560 (* ex lexicon commands *)
561 | GrafiteAst.Interpretation (loc, dsc, (symbol, args), cic_appl_pattern) ->
562 let rec disambiguate =
564 NotationPt.ApplPattern l ->
565 NotationPt.ApplPattern (List.map disambiguate l)
566 | NotationPt.VarPattern id
569 (function (NotationPt.IdentArg (_,id')) -> id'=id) args)
571 let item = DisambiguateTypes.Id id in
573 match DisambiguateTypes.Environment.find item status#lstatus.LexiconTypes.aliases with
574 GrafiteAst.Ident_alias (_, uri) ->
575 NotationPt.NRefPattern (NReference.reference_of_string uri)
579 ("LexiconEngine.eval_command: domain item not found: " ^
580 (DisambiguateTypes.string_of_domain_item item));
581 LexiconEngine.dump_aliases prerr_endline "" status;
584 ((DisambiguateTypes.string_of_domain_item item) ^ " not found"))
588 let cic_appl_pattern = disambiguate cic_appl_pattern in
590 Interpretations.add_interpretation status
591 dsc (symbol, args) cic_appl_pattern in
592 let mode = assert false in (* VEDI SOTTO *)
594 [DisambiguateTypes.Symbol (symbol, 0),
595 GrafiteAst.Symbol_alias (symbol,0,dsc)] in
596 let status = LexiconEngine.set_proof_aliases status mode diff in
597 assert false (* MANCA SALVATAGGIO SU DISCO CHE DEVE TENERE IN CONTO
598 IL MODE WithPreference/WithOutPreferences*)
599 | GrafiteAst.Notation (loc, dir, l1, associativity, precedence, l2) ->
601 CicNotationParser.check_l1_pattern
602 l1 (dir = Some `RightToLeft) precedence associativity
605 if dir <> Some `RightToLeft then
606 CicNotationParser.extend status l1
608 NotationPt.AttributedTerm
609 (`Loc loc,TermContentPres.instantiate_level2 env l2))
613 if dir <> Some `LeftToRight then
614 let status = TermContentPres.add_pretty_printer status l2 l1 in
619 assert false (* MANCA SALVATAGGIO SU DISCO *)
621 | GrafiteAst.Alias (loc, spec) ->
623 (*CSC: Warning: this code should be factorized with the corresponding
624 code in DisambiguatePp *)
626 | GrafiteAst.Ident_alias (id,uri) ->
627 [DisambiguateTypes.Id id,spec]
628 | GrafiteAst.Symbol_alias (symb, instance, desc) ->
629 [DisambiguateTypes.Symbol (symb,instance),spec]
630 | GrafiteAst.Number_alias (instance,desc) ->
631 [DisambiguateTypes.Num instance,spec]
633 let mode = assert false in (* VEDI SOPRA *)
634 LexiconEngine.set_proof_aliases status mode diff;
635 assert false (* MANCA SALVATAGGIO SU DISCO *)
638 let eval_comment opts status (text,prefix_len,c) = status, []
640 let rec eval_command opts status (text,prefix_len,cmd) =
643 | GrafiteAst.Print (_,_) -> status,[]
644 | GrafiteAst.Set (loc, name, value) -> status, []
648 and eval_executable ~include_paths opts status (text,prefix_len,ex) =
650 | GrafiteAst.NTactic (_(*loc*), tacl) ->
651 if status#ng_mode <> `ProofMode then
652 raise (GrafiteTypes.Command_error "Not in proof mode")
657 let status = eval_ng_tac (text,prefix_len,tac) status in
658 subst_metasenv_and_fix_names status)
662 | GrafiteAst.Command (_, cmd) ->
663 eval_command opts status (text,prefix_len,cmd)
664 | GrafiteAst.NCommand (_, cmd) ->
665 eval_ncommand ~include_paths opts status (text,prefix_len,cmd)
666 | GrafiteAst.NMacro (loc, macro) ->
667 raise (NMacro (loc,macro))
669 and eval_ast ~include_paths ?(do_heavy_checks=false) status (text,prefix_len,st)
671 let opts = { do_heavy_checks = do_heavy_checks ; } in
673 | GrafiteAst.Executable (_,ex) ->
674 eval_executable ~include_paths opts status (text,prefix_len,ex)
675 | GrafiteAst.Comment (_,c) ->
676 eval_comment opts status (text,prefix_len,c)