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/
31 exception UnableToInclude of string
32 exception IncludedFileNotCompiled of string
35 let debug_print = if debug then prerr_endline else ignore ;;
38 do_heavy_checks: bool ;
39 include_paths: string list ;
44 (CicNotationPt.term, CicNotationPt.term, GrafiteAst.reduction, GrafiteAst.obj,
48 (** create a ProofEngineTypes.mk_fresh_name_type function which uses given
49 * names as long as they are available, then it fallbacks to name generation
50 * using FreshNamesGenerator module *)
52 let len = List.length names in
54 fun metasenv context name ~typ ->
55 if !count < len then begin
56 let name = Cic.Name (List.nth names !count) in
60 FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
62 let tactic_of_ast ast =
63 let module PET = ProofEngineTypes in
65 | GrafiteAst.Absurd (_, term) -> Tactics.absurd term
66 | GrafiteAst.Apply (_, term) -> Tactics.apply term
67 | GrafiteAst.Assumption _ -> Tactics.assumption
68 | GrafiteAst.Auto (_,depth,width,paramodulation) ->
69 AutoTactic.auto_tac ?depth ?width ?paramodulation
70 ~dbd:(MatitaDb.instance ()) ()
71 | GrafiteAst.Change (_, pattern, with_what) ->
72 Tactics.change ~pattern with_what
73 | GrafiteAst.Clear (_,id) -> Tactics.clear id
74 | GrafiteAst.ClearBody (_,id) -> Tactics.clearbody id
75 | GrafiteAst.Contradiction _ -> Tactics.contradiction
76 | GrafiteAst.Compare (_, term) -> Tactics.compare term
77 | GrafiteAst.Constructor (_, n) -> Tactics.constructor n
78 | GrafiteAst.Cut (_, ident, term) ->
79 let names = match ident with None -> [] | Some id -> [id] in
80 Tactics.cut ~mk_fresh_name_callback:(namer_of names) term
81 | GrafiteAst.DecideEquality _ -> Tactics.decide_equality
82 | GrafiteAst.Decompose (_, types, what, names) ->
83 let to_type = function
84 | GrafiteAst.Type (uri, typeno) -> uri, typeno
85 | GrafiteAst.Ident _ -> assert false
87 let user_types = List.rev_map to_type types in
88 let dbd = MatitaDb.instance () in
89 let mk_fresh_name_callback = namer_of names in
90 Tactics.decompose ~mk_fresh_name_callback ~dbd ~user_types what
91 | GrafiteAst.Discriminate (_,term) -> Tactics.discriminate term
92 | GrafiteAst.Elim (_, what, using, depth, names) ->
93 Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(namer_of names)
95 | GrafiteAst.ElimType (_, what, using, depth, names) ->
96 Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(namer_of names)
98 | GrafiteAst.Exact (_, term) -> Tactics.exact term
99 | GrafiteAst.Exists _ -> Tactics.exists
100 | GrafiteAst.Fail _ -> Tactics.fail
101 | GrafiteAst.Fold (_, reduction_kind, term, pattern) ->
103 match reduction_kind with
105 PET.const_lazy_reduction
106 (CicReduction.normalize ~delta:false ~subst:[])
107 | `Reduce -> PET.const_lazy_reduction ProofEngineReduction.reduce
108 | `Simpl -> PET.const_lazy_reduction ProofEngineReduction.simpl
110 PET.const_lazy_reduction (ProofEngineReduction.unfold ?what:None)
111 | `Unfold (Some lazy_term) ->
112 (fun context metasenv ugraph ->
113 let what, metasenv, ugraph = lazy_term context metasenv ugraph in
114 ProofEngineReduction.unfold ~what, metasenv, ugraph)
116 PET.const_lazy_reduction (CicReduction.whd ~delta:false ~subst:[])
118 Tactics.fold ~reduction ~term ~pattern
119 | GrafiteAst.Fourier _ -> Tactics.fourier
120 | GrafiteAst.FwdSimpl (_, hyp, names) ->
121 Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names)
122 ~dbd:(MatitaDb.instance ()) hyp
123 | GrafiteAst.Generalize (_,pattern,ident) ->
124 let names = match ident with None -> [] | Some id -> [id] in
125 Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
126 | GrafiteAst.Goal (_, n) -> Tactics.set_goal n
127 | GrafiteAst.IdTac _ -> Tactics.id
128 | GrafiteAst.Injection (_,term) -> Tactics.injection term
129 | GrafiteAst.Intros (_, None, names) ->
130 PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
131 | GrafiteAst.Intros (_, Some num, names) ->
132 PrimitiveTactics.intros_tac ~howmany:num
133 ~mk_fresh_name_callback:(namer_of names) ()
134 | GrafiteAst.LApply (_, how_many, to_what, what, ident) ->
135 let names = match ident with None -> [] | Some id -> [id] in
136 Tactics.lapply ~mk_fresh_name_callback:(namer_of names) ?how_many
138 | GrafiteAst.Left _ -> Tactics.left
139 | GrafiteAst.LetIn (loc,term,name) ->
140 Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
141 | GrafiteAst.Reduce (_, reduction_kind, pattern) ->
142 (match reduction_kind with
143 | `Normalize -> Tactics.normalize ~pattern
144 | `Reduce -> Tactics.reduce ~pattern
145 | `Simpl -> Tactics.simpl ~pattern
146 | `Unfold what -> Tactics.unfold ~pattern what
147 | `Whd -> Tactics.whd ~pattern)
148 | GrafiteAst.Reflexivity _ -> Tactics.reflexivity
149 | GrafiteAst.Replace (_, pattern, with_what) ->
150 Tactics.replace ~pattern ~with_what
151 | GrafiteAst.Rewrite (_, direction, t, pattern) ->
152 EqualityTactics.rewrite_tac ~direction ~pattern t
153 | GrafiteAst.Right _ -> Tactics.right
154 | GrafiteAst.Ring _ -> Tactics.ring
155 | GrafiteAst.Split _ -> Tactics.split
156 | GrafiteAst.Symmetry _ -> Tactics.symmetry
157 | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
159 let singleton = function
163 let disambiguate_term status_ref term =
164 let status = !status_ref in
165 let (aliases, metasenv, cic, _) =
167 (MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
168 ~aliases:(status.aliases) ~context:(MatitaMisc.get_proof_context status)
169 ~metasenv:(MatitaMisc.get_proof_metasenv status) term)
171 let status = MatitaTypes.set_metasenv metasenv status in
172 let status = MatitaSync.set_proof_aliases status aliases in
173 status_ref := status;
176 (** disambiguate_lazy_term (circa): term -> (unit -> status) * lazy_term
177 * rationale: lazy_term will be invoked in different context to obtain a term,
178 * each invocation will disambiguate the term and can add aliases. Once all
179 * disambiguations have been performed, the first returned function can be
180 * used to obtain the resulting aliases *)
181 let disambiguate_lazy_term status_ref term =
182 (fun context metasenv ugraph ->
183 let status = !status_ref in
184 let (aliases, metasenv, cic, ugraph) =
186 (MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
187 ~initial_ugraph:ugraph ~aliases:status.aliases ~context ~metasenv
190 let status = MatitaTypes.set_metasenv metasenv status in
191 let status = MatitaSync.set_proof_aliases status aliases in
192 status_ref := status;
193 cic, metasenv, ugraph)
195 let disambiguate_pattern status_ref (wanted, hyp_paths, goal_path) =
196 let interp path = Disambiguate.interpretate_path [] path in
197 let goal_path = interp goal_path in
198 let hyp_paths = List.map (fun (name, path) -> name, interp path) hyp_paths in
203 let wanted = disambiguate_lazy_term status_ref wanted in
206 (wanted, hyp_paths ,goal_path)
208 let disambiguate_reduction_kind aliases_ref = function
209 | `Unfold (Some t) ->
210 let t = disambiguate_lazy_term aliases_ref t in
216 | `Whd as kind -> kind
218 let disambiguate_tactic status tactic =
219 let status_ref = ref status in
222 | GrafiteAst.Absurd (loc, term) ->
223 let cic = disambiguate_term status_ref term in
224 GrafiteAst.Absurd (loc, cic)
225 | GrafiteAst.Apply (loc, term) ->
226 let cic = disambiguate_term status_ref term in
227 GrafiteAst.Apply (loc, cic)
228 | GrafiteAst.Assumption loc -> GrafiteAst.Assumption loc
229 | GrafiteAst.Auto (loc,depth,width,paramodulation) ->
230 GrafiteAst.Auto (loc,depth,width,paramodulation)
231 | GrafiteAst.Change (loc, pattern, with_what) ->
232 let with_what = disambiguate_lazy_term status_ref with_what in
233 let pattern = disambiguate_pattern status_ref pattern in
234 GrafiteAst.Change (loc, pattern, with_what)
235 | GrafiteAst.Clear (loc,id) -> GrafiteAst.Clear (loc,id)
236 | GrafiteAst.ClearBody (loc,id) -> GrafiteAst.ClearBody (loc,id)
237 | GrafiteAst.Compare (loc,term) ->
238 let term = disambiguate_term status_ref term in
239 GrafiteAst.Compare (loc,term)
240 | GrafiteAst.Constructor (loc,n) -> GrafiteAst.Constructor (loc,n)
241 | GrafiteAst.Contradiction loc -> GrafiteAst.Contradiction loc
242 | GrafiteAst.Cut (loc, ident, term) ->
243 let cic = disambiguate_term status_ref term in
244 GrafiteAst.Cut (loc, ident, cic)
245 | GrafiteAst.DecideEquality loc -> GrafiteAst.DecideEquality loc
246 | GrafiteAst.Decompose (loc, types, what, names) ->
247 let disambiguate types = function
248 | GrafiteAst.Type _ -> assert false
249 | GrafiteAst.Ident id ->
250 (match disambiguate_term status_ref (CicNotationPt.Ident (id, None)) with
251 | Cic.MutInd (uri, tyno, _) ->
252 (GrafiteAst.Type (uri, tyno) :: types)
253 | _ -> raise Disambiguate.NoWellTypedInterpretation)
255 let types = List.fold_left disambiguate [] types in
256 GrafiteAst.Decompose (loc, types, what, names)
257 | GrafiteAst.Discriminate (loc,term) ->
258 let term = disambiguate_term status_ref term in
259 GrafiteAst.Discriminate(loc,term)
260 | GrafiteAst.Exact (loc, term) ->
261 let cic = disambiguate_term status_ref term in
262 GrafiteAst.Exact (loc, cic)
263 | GrafiteAst.Elim (loc, what, Some using, depth, idents) ->
264 let what = disambiguate_term status_ref what in
265 let using = disambiguate_term status_ref using in
266 GrafiteAst.Elim (loc, what, Some using, depth, idents)
267 | GrafiteAst.Elim (loc, what, None, depth, idents) ->
268 let what = disambiguate_term status_ref what in
269 GrafiteAst.Elim (loc, what, None, depth, idents)
270 | GrafiteAst.ElimType (loc, what, Some using, depth, idents) ->
271 let what = disambiguate_term status_ref what in
272 let using = disambiguate_term status_ref using in
273 GrafiteAst.ElimType (loc, what, Some using, depth, idents)
274 | GrafiteAst.ElimType (loc, what, None, depth, idents) ->
275 let what = disambiguate_term status_ref what in
276 GrafiteAst.ElimType (loc, what, None, depth, idents)
277 | GrafiteAst.Exists loc -> GrafiteAst.Exists loc
278 | GrafiteAst.Fail loc -> GrafiteAst.Fail loc
279 | GrafiteAst.Fold (loc,red_kind, term, pattern) ->
280 let pattern = disambiguate_pattern status_ref pattern in
281 let term = disambiguate_lazy_term status_ref term in
282 let red_kind = disambiguate_reduction_kind status_ref red_kind in
283 GrafiteAst.Fold (loc, red_kind, term, pattern)
284 | GrafiteAst.FwdSimpl (loc, hyp, names) ->
285 GrafiteAst.FwdSimpl (loc, hyp, names)
286 | GrafiteAst.Fourier loc -> GrafiteAst.Fourier loc
287 | GrafiteAst.Generalize (loc,pattern,ident) ->
288 let pattern = disambiguate_pattern status_ref pattern in
289 GrafiteAst.Generalize (loc,pattern,ident)
290 | GrafiteAst.Goal (loc, g) -> GrafiteAst.Goal (loc, g)
291 | GrafiteAst.IdTac loc -> GrafiteAst.IdTac loc
292 | GrafiteAst.Injection (loc, term) ->
293 let term = disambiguate_term status_ref term in
294 GrafiteAst.Injection (loc,term)
295 | GrafiteAst.Intros (loc, num, names) -> GrafiteAst.Intros (loc, num, names)
296 | GrafiteAst.LApply (loc, depth, to_what, what, ident) ->
298 let term = disambiguate_term status_ref term in
301 let to_what = List.fold_right f to_what [] in
302 let what = disambiguate_term status_ref what in
303 GrafiteAst.LApply (loc, depth, to_what, what, ident)
304 | GrafiteAst.Left loc -> GrafiteAst.Left loc
305 | GrafiteAst.LetIn (loc, term, name) ->
306 let term = disambiguate_term status_ref term in
307 GrafiteAst.LetIn (loc,term,name)
308 | GrafiteAst.Reduce (loc, red_kind, pattern) ->
309 let pattern = disambiguate_pattern status_ref pattern in
310 let red_kind = disambiguate_reduction_kind status_ref red_kind in
311 GrafiteAst.Reduce(loc, red_kind, pattern)
312 | GrafiteAst.Reflexivity loc -> GrafiteAst.Reflexivity loc
313 | GrafiteAst.Replace (loc, pattern, with_what) ->
314 let pattern = disambiguate_pattern status_ref pattern in
315 let with_what = disambiguate_lazy_term status_ref with_what in
316 GrafiteAst.Replace (loc, pattern, with_what)
317 | GrafiteAst.Rewrite (loc, dir, t, pattern) ->
318 let term = disambiguate_term status_ref t in
319 let pattern = disambiguate_pattern status_ref pattern in
320 GrafiteAst.Rewrite (loc, dir, term, pattern)
321 | GrafiteAst.Right loc -> GrafiteAst.Right loc
322 | GrafiteAst.Ring loc -> GrafiteAst.Ring loc
323 | GrafiteAst.Split loc -> GrafiteAst.Split loc
324 | GrafiteAst.Symmetry loc -> GrafiteAst.Symmetry loc
325 | GrafiteAst.Transitivity (loc, term) ->
326 let cic = disambiguate_term status_ref term in
327 GrafiteAst.Transitivity (loc, cic)
331 let apply_tactic tactic status =
332 let status_ref, tactic = disambiguate_tactic status tactic in
333 let proof_status = MatitaMisc.get_proof_status !status_ref in
334 let tactic = tactic_of_ast tactic in
335 (* apply tactic will change the status pointed by status_ref ... *)
336 let (proof, goals) = ProofEngineTypes.apply_tactic tactic proof_status in
339 proof_status = MatitaTypes.Incomplete_proof (proof,dummy) },
342 module MatitaStatus =
344 type input_status = MatitaTypes.status
345 type output_status = MatitaTypes.status * ProofEngineTypes.goal list
346 type tactic = input_status -> output_status
348 let focus (status,_) goal =
349 let proof,_ = MatitaMisc.get_proof_status status in
350 {status with proof_status = MatitaTypes.Incomplete_proof (proof,goal)}
352 let goals (_,goals) = goals
354 let set_goals (status,_) goals = status,goals
357 apply_tactic (GrafiteAst.IdTac DisambiguateTypes.dummy_floc) status
359 let mk_tactic tac = tac
361 let apply_tactic tac = tac
365 module MatitaTacticals = Tacticals.Make(MatitaStatus)
367 let eval_tactical status tac =
368 let rec tactical_of_ast tac =
370 | GrafiteAst.Tactic (loc, tactic) -> apply_tactic tactic
371 | GrafiteAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
372 MatitaTacticals.seq ~tactics:(List.map tactical_of_ast tacticals)
373 | GrafiteAst.Do (loc, num, tactical) ->
374 MatitaTacticals.do_tactic ~n:num ~tactic:(tactical_of_ast tactical)
375 | GrafiteAst.Repeat (loc, tactical) ->
376 MatitaTacticals.repeat_tactic ~tactic:(tactical_of_ast tactical)
377 | GrafiteAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
378 MatitaTacticals.thens ~start:(tactical_of_ast tactical)
379 ~continuations:(List.map tactical_of_ast tacticals)
380 | GrafiteAst.First (loc, tacticals) ->
381 MatitaTacticals.first
382 ~tactics:(List.map (fun t -> "", tactical_of_ast t) tacticals)
383 | GrafiteAst.Try (loc, tactical) ->
384 MatitaTacticals.try_tactic ~tactic:(tactical_of_ast tactical)
385 | GrafiteAst.Solve (loc, tacticals) ->
386 MatitaTacticals.solve_tactics
387 ~tactics:(List.map (fun t -> "",tactical_of_ast t) tacticals)
389 let status,goals = tactical_of_ast tac status in
390 let proof,_ = MatitaMisc.get_proof_status status in
394 let (_,metasenv,_,_) = proof in
397 | (ng,_,_)::_ -> Incomplete_proof (proof,ng))
398 | ng::_ -> Incomplete_proof (proof, ng)
400 { status with proof_status = new_status }
402 let eval_coercion status coercion =
403 let coer_uri,coer_ty =
407 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
409 | Cic.Constant (_,_,ty,_,_)
410 | Cic.Variable (_,_,ty,_,_) ->
413 | Cic.MutConstruct (uri,t,c,_) ->
414 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
416 | Cic.InductiveDefinition (l,_,_,_) ->
417 let (_,_,_,cl) = List.nth l t in
418 let (_,cty) = List.nth cl c in
423 (* we have to get the source and the tgt type uri
424 * in Coq syntax we have already their names, but
425 * since we don't support Funclass and similar I think
426 * all the coercion should be of the form
428 * So we should be able to extract them from the coercion type
430 let extract_last_two_p ty =
431 let rec aux = function
432 | Cic.Prod( _, src, Cic.Prod (n,t1,t2)) -> aux (Cic.Prod(n,t1,t2))
433 | Cic.Prod( _, src, tgt) -> src, tgt
438 let ty_src,ty_tgt = extract_last_two_p coer_ty in
441 let ty_src = CicReduction.whd context ty_src in
442 CicUtil.uri_of_term ty_src
445 let ty_tgt = CicReduction.whd context ty_tgt in
446 CicUtil.uri_of_term ty_tgt
449 (* also adds them to the Db *)
450 CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri in
452 List.fold_left (fun s (uri,o,ugraph) -> MatitaSync.add_obj uri o status)
453 status new_coercions in
454 let statement_of name =
455 GrafiteAst.Coercion (DisambiguateTypes.dummy_floc,
456 (CicNotationPt.Ident (name, None)))
459 statement_of (UriManager.name_of_uri coer_uri) ::
462 statement_of (UriManager.name_of_uri uri))
465 let status = add_moo_content moo_content status in
466 { status with proof_status = No_proof }
468 let generate_elimination_principles uri status =
469 let elim sort status =
471 let uri,obj = CicElim.elim_of ~sort uri 0 in
472 MatitaSync.add_obj uri obj status
473 with CicElim.Can_t_eliminate -> status
475 List.fold_left (fun status sort -> elim sort status) status
476 [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ]
478 let generate_projections uri fields status =
479 let projections = CicRecord.projections_of uri fields in
481 (fun status (uri, name, bo) ->
484 CicTypeChecker.type_of_aux' [] [] bo CicUniv.empty_ugraph in
485 let attrs = [`Class `Projection; `Generated] in
486 let obj = Cic.Constant (name,Some bo,ty,[],attrs) in
487 MatitaSync.add_obj uri obj status
489 CicTypeChecker.TypeCheckerFailure s ->
491 ("Unable to create projection " ^ name ^ " cause: " ^ s);
493 | CicEnvironment.Object_not_found uri ->
494 let depend = UriManager.name_of_uri uri in
496 ("Unable to create projection " ^ name ^ " because it requires " ^ depend);
500 (* to avoid a long list of recursive functions *)
501 let eval_from_stream_ref = ref (fun _ _ _ -> assert false);;
503 let disambiguate_obj status obj =
506 GrafiteAst.Inductive (_,(name,_,_,_)::_)
507 | GrafiteAst.Record (_,name,_,_) ->
508 Some (UriManager.uri_of_string (MatitaMisc.qualify status name ^ ".ind"))
509 | GrafiteAst.Inductive _ -> assert false
510 | GrafiteAst.Theorem _ -> None in
511 let (aliases, metasenv, cic, _) =
513 (MatitaDisambiguator.disambiguate_obj ~dbd:(MatitaDb.instance ())
514 ~aliases:(status.aliases) ~uri obj)
517 match status.proof_status with
518 | No_proof -> Intermediate metasenv
520 | Proof _ -> command_error "imbricated proofs not allowed"
521 | Intermediate _ -> assert false
523 let status = { status with proof_status = proof_status } in
524 let status = MatitaSync.set_proof_aliases status aliases in
527 let disambiguate_command status = function
529 | GrafiteAst.Default _
532 | GrafiteAst.Include _
533 | GrafiteAst.Interpretation _
534 | GrafiteAst.Notation _
536 | GrafiteAst.Render _
537 | GrafiteAst.Set _ as cmd ->
539 | GrafiteAst.Coercion (loc, term) ->
540 let status_ref = ref status in
541 let term = disambiguate_term status_ref term in
542 !status_ref, GrafiteAst.Coercion (loc,term)
543 | GrafiteAst.Obj (loc,obj) ->
544 let status,obj = disambiguate_obj status obj in
545 status, GrafiteAst.Obj (loc,obj)
547 let make_absolute paths path =
548 if path = "coq.ma" then path
550 let rec aux = function
551 | [] -> ignore (Unix.stat path); path
553 let path = p ^ "/" ^ path in
555 ignore (Unix.stat path); path
556 with Unix.Unix_error _ -> aux tl
560 with Unix.Unix_error _ as exc -> raise (UnableToInclude path)
563 let eval_command opts status cmd =
564 let status,cmd = disambiguate_command status cmd in
565 let cmd,notation_ids' = CicNotation.process_notation cmd in
567 { status with notation_ids = notation_ids' @ status.notation_ids }
570 | GrafiteAst.Default (loc, what, uris) as cmd ->
571 LibraryObjects.set_default what uris;
572 add_moo_content [cmd] status
573 | GrafiteAst.Include (loc, path) ->
574 let absolute_path = make_absolute opts.include_paths path in
575 let moopath = MatitaMisc.obj_file_of_script absolute_path in
577 try open_in moopath with Sys_error _ ->
578 raise (IncludedFileNotCompiled moopath) in
579 let stream = Stream.of_channel ic in
580 let status = ref status in
581 !eval_from_stream_ref status stream (fun _ _ -> ());
584 | GrafiteAst.Set (loc, name, value) ->
586 if name = "baseuri" then
587 let v = MatitaMisc.strip_trailing_slash value in
589 ignore (String.index v ' ');
590 command_error "baseuri can't contain spaces"
595 if not (MatitaMisc.is_empty value) then
597 MatitaLog.warn ("baseuri " ^ value ^ " is not empty");
598 if opts.clean_baseuri then
600 MatitaLog.message ("cleaning baseuri " ^ value);
601 MatitacleanLib.clean_baseuris [value]
604 set_option status name value
605 | GrafiteAst.Drop loc -> raise Drop
606 | GrafiteAst.Qed loc ->
607 let uri, metasenv, bo, ty =
608 match status.proof_status with
609 | Proof (Some uri, metasenv, body, ty) ->
610 uri, metasenv, body, ty
611 | Proof (None, metasenv, body, ty) ->
613 ("Someone allows to start a thm without giving the "^
614 "name/uri. This should be fixed!")
615 | _-> command_error "You can't qed an uncomplete theorem"
617 let suri = UriManager.string_of_uri uri in
618 if metasenv <> [] then
619 command_error "Proof not completed! metasenv is not empty!";
620 let name = UriManager.name_of_uri uri in
621 let obj = Cic.Constant (name,Some bo,ty,[],[]) in
622 MatitaSync.add_obj uri obj status
623 | GrafiteAst.Coercion (loc, coercion) ->
624 eval_coercion status coercion
625 | GrafiteAst.Alias (loc, spec) ->
627 (*CSC: Warning: this code should be factorized with the corresponding
628 code in DisambiguatePp *)
630 | GrafiteAst.Ident_alias (id,uri) ->
631 DisambiguateTypes.Environment.cons
632 (DisambiguateTypes.Id id)
633 (uri,(fun _ _ _-> CicUtil.term_of_uri (UriManager.uri_of_string uri)))
635 | GrafiteAst.Symbol_alias (symb, instance, desc) ->
636 DisambiguateTypes.Environment.cons
637 (DisambiguateTypes.Symbol (symb,instance))
638 (DisambiguateChoices.lookup_symbol_by_dsc symb desc)
640 | GrafiteAst.Number_alias (instance,desc) ->
641 DisambiguateTypes.Environment.cons
642 (DisambiguateTypes.Num instance)
643 (DisambiguateChoices.lookup_num_by_dsc desc) status.aliases
645 MatitaSync.set_proof_aliases status aliases
646 | GrafiteAst.Render _ -> assert false (* ZACK: to be removed *)
647 | GrafiteAst.Dump _ -> assert false (* ZACK: to be removed *)
648 | GrafiteAst.Interpretation (_, dsc, (symbol, _), _) as stm ->
649 let status' = add_moo_content [stm] status in
651 DisambiguateTypes.Environment.cons
652 (DisambiguateTypes.Symbol (symbol, 0))
653 (DisambiguateChoices.lookup_symbol_by_dsc symbol dsc)
656 MatitaSync.set_proof_aliases status' aliases'
657 | GrafiteAst.Notation _ as stm -> add_moo_content [stm] status
658 | GrafiteAst.Obj (loc,obj) ->
661 Cic.Constant (name,_,_,_,_)
662 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
663 | Cic.InductiveDefinition (types,_,_,_) ->
665 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
666 | _ -> assert false in
668 UriManager.uri_of_string (MatitaMisc.qualify status name ^ ext)
670 let metasenv = MatitaMisc.get_proof_metasenv status in
672 | Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
673 let name = UriManager.name_of_uri uri in
674 if not(CicPp.check name ty) then
675 MatitaLog.error ("Bad name: " ^ name);
676 if opts.do_heavy_checks then
678 let dbd = MatitaDb.instance () in
679 let similar = MetadataQuery.match_term ~dbd ty in
680 let similar_len = List.length similar in
681 if similar_len> 30 then
683 ("Duplicate check will compare your theorem with " ^
684 string_of_int similar_len ^
685 " theorems, this may take a while."));
689 let t = CicUtil.term_of_uri u in
691 CicTypeChecker.type_of_aux'
692 metasenv' [] t CicUniv.empty_ugraph
694 fst(CicReduction.are_convertible [] ty' ty g))
697 (match convertible with
701 ("Theorem already proved: " ^ UriManager.string_of_uri x ^
702 "\nPlease use a variant."));
704 assert (metasenv = metasenv');
706 match metasenv' with (goalno,_,_)::_ -> goalno | _ -> assert false
708 let initial_proof = (Some uri, metasenv, bo, ty) in
709 { status with proof_status = Incomplete_proof (initial_proof,goalno)}
711 if metasenv <> [] then
713 "metasenv not empty while giving a definition with body: " ^
714 CicMetaSubst.ppmetasenv metasenv []);
715 let status = MatitaSync.add_obj uri obj status in
717 Cic.Constant _ -> status
718 | Cic.InductiveDefinition (_,_,_,attrs) ->
719 let status = generate_elimination_principles uri status in
720 let rec get_record_attrs =
723 | (`Class (`Record fields))::_ -> Some fields
724 | _::tl -> get_record_attrs tl
726 (match get_record_attrs attrs with
727 None -> status (* not a record *)
728 | Some fields -> generate_projections uri fields status)
730 | Cic.Variable _ -> assert false
732 let eval_executable opts status ex =
734 | GrafiteAst.Tactical (_, tac) -> eval_tactical status tac
735 | GrafiteAst.Command (_, cmd) -> eval_command opts status cmd
736 | GrafiteAst.Macro (_, mac) ->
737 command_error (sprintf "The macro %s can't be in a script"
738 (GrafiteAstPp.pp_macro_ast mac))
740 let eval_comment status c = status
744 ?(do_heavy_checks=false) ?(include_paths=[]) ?(clean_baseuri=true) status st
747 do_heavy_checks = do_heavy_checks ;
748 include_paths = include_paths;
749 clean_baseuri = clean_baseuri }
752 | GrafiteAst.Executable (_,ex) -> eval_executable opts status ex
753 | GrafiteAst.Comment (_,c) -> eval_comment status c
756 ?do_heavy_checks ?include_paths ?clean_baseuri status str cb
760 let ast = GrafiteParser.parse_statement str in
762 status := eval_ast ?do_heavy_checks ?include_paths ?clean_baseuri !status ast
764 with End_of_file -> ()
766 (* to avoid a long list of recursive functions *)
767 let _ = eval_from_stream_ref := eval_from_stream
769 let eval_from_stream_greedy
770 ?do_heavy_checks ?include_paths ?clean_baseuri status str cb
773 print_string "matita> ";
775 let ast = GrafiteParser.parse_statement str in
777 status := eval_ast ?do_heavy_checks ?include_paths ?clean_baseuri !status ast
781 let eval_string ?do_heavy_checks ?include_paths ?clean_baseuri status str =
783 ?do_heavy_checks ?include_paths ?clean_baseuri status (Stream.of_string str) (fun _ _ ->())
785 let default_options () =
788 StringMap.add "baseuri"
790 (Helm_registry.get "matita.baseuri" ^ Helm_registry.get "matita.owner"))
795 StringMap.add "basedir"
796 (String (Helm_registry.get "matita.basedir"))
803 aliases = DisambiguateTypes.empty_environment;
804 moo_content_rev = [];
805 proof_status = No_proof;
806 options = default_options ();