8 let debug_print = if debug then prerr_endline else ignore ;;
10 (** create a ProofEngineTypes.mk_fresh_name_type function which uses given
11 * names as long as they are available, then it fallbacks to name generation
12 * using FreshNamesGenerator module *)
14 let len = List.length names in
16 fun metasenv context name ~typ ->
17 if !count < len then begin
18 let name = Cic.Name (List.nth names !count) in
22 FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
24 let tactic_of_ast = function
25 | TacticAst.Absurd (_, term) -> Tactics.absurd term
26 | TacticAst.Apply (_, term) -> Tactics.apply term
27 | TacticAst.Assumption _ -> Tactics.assumption
28 | TacticAst.Auto (_,depth,width) ->
29 AutoTactic.auto_tac ?depth ?width ~dbd:(MatitaDb.instance ()) ()
30 | TacticAst.Change (_, pattern, with_what) ->
31 Tactics.change ~pattern with_what
32 | TacticAst.Clear (_,id) -> Tactics.clear id
33 | TacticAst.ClearBody (_,id) -> Tactics.clearbody id
34 | TacticAst.Contradiction _ -> Tactics.contradiction
35 | TacticAst.Compare (_, term) -> Tactics.compare term
36 | TacticAst.Constructor (_, n) -> Tactics.constructor n
37 | TacticAst.Cut (_, ident, term) ->
38 let names = match ident with None -> [] | Some id -> [id] in
39 Tactics.cut ~mk_fresh_name_callback:(namer_of names) term
40 | TacticAst.DecideEquality _ -> Tactics.decide_equality
41 | TacticAst.Decompose (_,term) -> Tactics.decompose term
42 | TacticAst.Discriminate (_,term) -> Tactics.discriminate term
43 | TacticAst.Elim (_, what, using, depth, names) ->
44 Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(namer_of names) what
45 | TacticAst.ElimType (_, what, using, depth, names) ->
46 Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(namer_of names) what
47 | TacticAst.Exact (_, term) -> Tactics.exact term
48 | TacticAst.Exists _ -> Tactics.exists
49 | TacticAst.Fail _ -> Tactics.fail
50 | TacticAst.Fold (_, reduction_kind, term, pattern) ->
52 match reduction_kind with
53 | `Normalize -> CicReduction.normalize ~delta:false ~subst:[]
54 | `Reduce -> ProofEngineReduction.reduce
55 | `Simpl -> ProofEngineReduction.simpl
56 | `Whd -> CicReduction.whd ~delta:false ~subst:[]
58 Tactics.fold ~reduction ~term ~pattern
59 | TacticAst.Fourier _ -> Tactics.fourier
60 | TacticAst.FwdSimpl (_, hyp, names) ->
61 Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names) ~dbd:(MatitaDb.instance ()) hyp
62 | TacticAst.Generalize (_,pattern,ident) ->
63 let names = match ident with None -> [] | Some id -> [id] in
64 Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
65 | TacticAst.Goal (_, n) -> Tactics.set_goal n
66 | TacticAst.IdTac _ -> Tactics.id
67 | TacticAst.Injection (_,term) -> Tactics.injection term
68 | TacticAst.Intros (_, None, names) ->
69 PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
70 | TacticAst.Intros (_, Some num, names) ->
71 PrimitiveTactics.intros_tac ~howmany:num
72 ~mk_fresh_name_callback:(namer_of names) ()
73 | TacticAst.LApply (_, how_many, to_what, what, ident) ->
74 let names = match ident with None -> [] | Some id -> [id] in
75 Tactics.lapply ~mk_fresh_name_callback:(namer_of names) ?how_many ~to_what what
76 | TacticAst.Left _ -> Tactics.left
77 | TacticAst.LetIn (loc,term,name) ->
78 Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
79 | TacticAst.Reduce (_, reduction_kind, pattern) ->
80 (match reduction_kind with
81 | `Normalize -> Tactics.normalize ~pattern
82 | `Reduce -> Tactics.reduce ~pattern
83 | `Simpl -> Tactics.simpl ~pattern
84 | `Whd -> Tactics.whd ~pattern)
85 | TacticAst.Reflexivity _ -> Tactics.reflexivity
86 | TacticAst.Replace (_, pattern, with_what) ->
87 Tactics.replace ~pattern ~with_what
88 | TacticAst.Rewrite (_, direction, t, pattern) ->
89 EqualityTactics.rewrite_tac ~direction ~pattern t
90 | TacticAst.Right _ -> Tactics.right
91 | TacticAst.Ring _ -> Tactics.ring
92 | TacticAst.Split _ -> Tactics.split
93 | TacticAst.Symmetry _ -> Tactics.symmetry
94 | TacticAst.Transitivity (_, term) -> Tactics.transitivity term
96 let disambiguate_term status term =
97 let (aliases, metasenv, cic, _) =
99 MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
100 ~aliases:(status.aliases) ~context:(MatitaMisc.get_proof_context status)
101 ~metasenv:(MatitaMisc.get_proof_metasenv status) term
107 match status.proof_status with
108 | No_proof -> Intermediate metasenv
109 | Incomplete_proof ((uri, _, proof, ty), goal) ->
110 Incomplete_proof ((uri, metasenv, proof, ty), goal)
111 | Intermediate _ -> Intermediate metasenv
112 | Proof _ -> assert false
114 let status = { status with proof_status = proof_status } in
115 let status = MatitaSync.set_proof_aliases status aliases in
118 let disambiguate_pattern status (wanted, hyp_paths, goal_path) =
119 let interp path = Disambiguate.interpretate_path [] status.aliases path in
120 let goal_path = interp goal_path in
121 let hyp_paths = List.map (fun (name, path) -> name, interp path) hyp_paths in
126 let status,wanted = disambiguate_term status wanted in
129 status, (wanted, hyp_paths ,goal_path)
131 let disambiguate_tactic status = function
132 | TacticAst.Apply (loc, term) ->
133 let status, cic = disambiguate_term status term in
134 status, TacticAst.Apply (loc, cic)
135 | TacticAst.Absurd (loc, term) ->
136 let status, cic = disambiguate_term status term in
137 status, TacticAst.Absurd (loc, cic)
138 | TacticAst.Assumption loc -> status, TacticAst.Assumption loc
139 | TacticAst.Auto (loc,depth,width) -> status, TacticAst.Auto (loc,depth,width)
140 | TacticAst.Change (loc, pattern, with_what) ->
141 let status, with_what = disambiguate_term status with_what in
142 let status, pattern = disambiguate_pattern status pattern in
143 status, TacticAst.Change (loc, pattern, with_what)
144 | TacticAst.Clear (loc,id) -> status,TacticAst.Clear (loc,id)
145 | TacticAst.ClearBody (loc,id) -> status,TacticAst.ClearBody (loc,id)
146 | TacticAst.Compare (loc,term) ->
147 let status, term = disambiguate_term status term in
148 status, TacticAst.Compare (loc,term)
149 | TacticAst.Constructor (loc,n) ->
150 status, TacticAst.Constructor (loc,n)
151 | TacticAst.Contradiction loc ->
152 status, TacticAst.Contradiction loc
153 | TacticAst.Cut (loc, ident, term) ->
154 let status, cic = disambiguate_term status term in
155 status, TacticAst.Cut (loc, ident, cic)
156 | TacticAst.DecideEquality loc ->
157 status, TacticAst.DecideEquality loc
158 | TacticAst.Decompose (loc,term) ->
159 let status,term = disambiguate_term status term in
160 status, TacticAst.Decompose(loc,term)
161 | TacticAst.Discriminate (loc,term) ->
162 let status,term = disambiguate_term status term in
163 status, TacticAst.Discriminate(loc,term)
164 | TacticAst.Exact (loc, term) ->
165 let status, cic = disambiguate_term status term in
166 status, TacticAst.Exact (loc, cic)
167 | TacticAst.Elim (loc, what, Some using, depth, idents) ->
168 let status, what = disambiguate_term status what in
169 let status, using = disambiguate_term status using in
170 status, TacticAst.Elim (loc, what, Some using, depth, idents)
171 | TacticAst.Elim (loc, what, None, depth, idents) ->
172 let status, what = disambiguate_term status what in
173 status, TacticAst.Elim (loc, what, None, depth, idents)
174 | TacticAst.ElimType (loc, what, Some using, depth, idents) ->
175 let status, what = disambiguate_term status what in
176 let status, using = disambiguate_term status using in
177 status, TacticAst.ElimType (loc, what, Some using, depth, idents)
178 | TacticAst.ElimType (loc, what, None, depth, idents) ->
179 let status, what = disambiguate_term status what in
180 status, TacticAst.ElimType (loc, what, None, depth, idents)
181 | TacticAst.Exists loc -> status, TacticAst.Exists loc
182 | TacticAst.Fail loc -> status,TacticAst.Fail loc
183 | TacticAst.Fold (loc,reduction_kind, term, pattern) ->
184 let status, pattern = disambiguate_pattern status pattern in
185 let status, term = disambiguate_term status term in
186 status, TacticAst.Fold (loc,reduction_kind, term, pattern)
187 | TacticAst.FwdSimpl (loc, hyp, names) ->
188 status, TacticAst.FwdSimpl (loc, hyp, names)
189 | TacticAst.Fourier loc -> status, TacticAst.Fourier loc
190 | TacticAst.Generalize (loc,pattern,ident) ->
191 let status, pattern = disambiguate_pattern status pattern in
192 status, TacticAst.Generalize(loc,pattern,ident)
193 | TacticAst.Goal (loc, g) -> status, TacticAst.Goal (loc, g)
194 | TacticAst.IdTac loc -> status,TacticAst.IdTac loc
195 | TacticAst.Injection (loc,term) ->
196 let status, term = disambiguate_term status term in
197 status, TacticAst.Injection (loc,term)
198 | TacticAst.Intros (loc, num, names) ->
199 status, TacticAst.Intros (loc, num, names)
200 | TacticAst.LApply (loc, depth, to_what, what, ident) ->
201 let f term (status, to_what) =
202 let status, term = disambiguate_term status term in
203 status, term :: to_what
205 let status, to_what = List.fold_right f to_what (status, []) in
206 let status, what = disambiguate_term status what in
207 status, TacticAst.LApply (loc, depth, to_what, what, ident)
208 | TacticAst.Left loc -> status, TacticAst.Left loc
209 | TacticAst.LetIn (loc, term, name) ->
210 let status, term = disambiguate_term status term in
211 status, TacticAst.LetIn (loc,term,name)
212 | TacticAst.Reduce (loc, reduction_kind, pattern) ->
213 let status, pattern = disambiguate_pattern status pattern in
214 status, TacticAst.Reduce(loc, reduction_kind, pattern)
215 | TacticAst.Reflexivity loc -> status, TacticAst.Reflexivity loc
216 | TacticAst.Replace (loc, pattern, with_what) ->
217 let status, pattern = disambiguate_pattern status pattern in
218 let status, with_what = disambiguate_term status with_what in
219 status, TacticAst.Replace (loc, pattern, with_what)
220 | TacticAst.Rewrite (loc, dir, t, pattern) ->
221 let status, term = disambiguate_term status t in
222 let status, pattern = disambiguate_pattern status pattern in
223 status, TacticAst.Rewrite (loc, dir, term, pattern)
224 | TacticAst.Right loc -> status, TacticAst.Right loc
225 | TacticAst.Ring loc -> status, TacticAst.Ring loc
226 | TacticAst.Split loc -> status, TacticAst.Split loc
227 | TacticAst.Symmetry loc -> status, TacticAst.Symmetry loc
228 | TacticAst.Transitivity (loc, term) ->
229 let status, cic = disambiguate_term status term in
230 status, TacticAst.Transitivity (loc, cic)
232 let apply_tactic tactic status =
233 let status,tactic = disambiguate_tactic status tactic in
234 let tactic = tactic_of_ast tactic in
236 ProofEngineTypes.apply_tactic tactic (MatitaMisc.get_proof_status status) in
239 proof_status = MatitaTypes.Incomplete_proof (proof,dummy) }, goals
241 module MatitaStatus =
243 type input_status = MatitaTypes.status
244 type output_status = MatitaTypes.status * ProofEngineTypes.goal list
245 type tactic = input_status -> output_status
247 let focus (status,_) goal =
248 let proof,_ = MatitaMisc.get_proof_status status in
249 {status with proof_status = MatitaTypes.Incomplete_proof (proof,goal)}
251 let goals (_,goals) = goals
253 let set_goals (status,_) goals = status,goals
255 let id_tac status = apply_tactic (TacticAst.IdTac CicAst.dummy_floc) status
257 let mk_tactic tac = tac
259 let apply_tactic tac = tac
263 module MatitaTacticals = Tacticals.Make(MatitaStatus)
265 let eval_tactical status tac =
266 let rec tactical_of_ast tac =
268 | TacticAst.Tactic (loc, tactic) -> apply_tactic tactic
269 | TacticAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
270 MatitaTacticals.seq ~tactics:(List.map tactical_of_ast tacticals)
271 | TacticAst.Do (loc, num, tactical) ->
272 MatitaTacticals.do_tactic ~n:num ~tactic:(tactical_of_ast tactical)
273 | TacticAst.Repeat (loc, tactical) ->
274 MatitaTacticals.repeat_tactic ~tactic:(tactical_of_ast tactical)
275 | TacticAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
276 MatitaTacticals.thens ~start:(tactical_of_ast tactical)
277 ~continuations:(List.map tactical_of_ast tacticals)
278 | TacticAst.First (loc, tacticals) ->
279 MatitaTacticals.first
280 ~tactics:(List.map (fun t -> "", tactical_of_ast t) tacticals)
281 | TacticAst.Try (loc, tactical) ->
282 MatitaTacticals.try_tactic ~tactic:(tactical_of_ast tactical)
283 | TacticAst.Solve (loc, tacticals) ->
284 MatitaTacticals.solve_tactics
285 ~tactics:(List.map (fun t -> "",tactical_of_ast t) tacticals)
287 let status,goals = tactical_of_ast tac status in
288 let proof,_ = MatitaMisc.get_proof_status status in
292 let (_,metasenv,_,_) = proof in
295 | (ng,_,_)::_ -> Incomplete_proof (proof,ng))
296 | ng::_ -> Incomplete_proof (proof, ng)
298 { status with proof_status = new_status }
300 let eval_coercion status coercion =
301 let coer_uri,coer_ty =
305 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
307 | Cic.Constant (_,_,ty,_,_)
308 | Cic.Variable (_,_,ty,_,_) ->
311 | Cic.MutConstruct (uri,t,c,_) ->
312 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
314 | Cic.InductiveDefinition (l,_,_,_) ->
315 let (_,_,_,cl) = List.nth l t in
316 let (_,cty) = List.nth cl c in
321 (* we have to get the source and the tgt type uri
322 * in Coq syntax we have already their names, but
323 * since we don't support Funclass and similar I think
324 * all the coercion should be of the form
326 * So we should be able to extract them from the coercion type
328 let extract_last_two_p ty =
329 let rec aux = function
330 | Cic.Prod( _, src, Cic.Prod (n,t1,t2)) -> aux (Cic.Prod(n,t1,t2))
331 | Cic.Prod( _, src, tgt) -> src, tgt
336 let ty_src,ty_tgt = extract_last_two_p coer_ty in
339 let ty_src = CicReduction.whd context ty_src in
340 CicUtil.uri_of_term ty_src
343 let ty_tgt = CicReduction.whd context ty_tgt in
344 CicUtil.uri_of_term ty_tgt
347 (* also adds them to the Db *)
348 CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri in
350 List.fold_left (fun s (uri,o,ugraph) -> MatitaSync.add_obj uri o status)
351 status new_coercions in
352 let statement_of name =
353 TacticAstPp.pp_statement
354 (TacticAst.Executable (CicAst.dummy_floc,
355 (TacticAst.Command (CicAst.dummy_floc,
356 (TacticAst.Coercion (CicAst.dummy_floc,
357 (CicAst.Ident (name, None)))))))) ^ "\n"
359 let moo_content_rev =
360 [statement_of (UriManager.name_of_uri coer_uri)] @
363 statement_of (UriManager.name_of_uri uri))
364 new_coercions) @ status.moo_content_rev
366 let status = {status with moo_content_rev = moo_content_rev} in
367 {status with proof_status = No_proof}
369 let generate_elimination_principles uri status =
370 let elim sort status =
372 let uri,obj = CicElim.elim_of ~sort uri 0 in
373 MatitaSync.add_obj uri obj status
374 with CicElim.Can_t_eliminate -> status
376 List.fold_left (fun status sort -> elim sort status) status
377 [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ]
379 let generate_projections uri fields status =
380 let projections = CicRecord.projections_of uri fields in
382 (fun status (uri, name, bo) ->
385 CicTypeChecker.type_of_aux' [] [] bo CicUniv.empty_ugraph in
386 let bo = Unshare.unshare bo in
387 let ty = Unshare.unshare ty in
388 let attrs = [`Class `Projection; `Generated] in
389 let obj = Cic.Constant (name,Some bo,ty,[],attrs) in
390 MatitaSync.add_obj uri obj status
392 CicTypeChecker.TypeCheckerFailure s ->
394 ("Unable to create projection " ^ name ^ " cause: " ^ s);
396 | CicEnvironment.Object_not_found uri ->
397 let depend = UriManager.name_of_uri uri in
399 ("Unable to create projection " ^ name ^ " because it requires " ^ depend);
403 (* to avoid a long list of recursive functions *)
404 let eval_from_stream_ref = ref (fun _ _ _ -> assert false);;
406 let disambiguate_obj status obj =
409 TacticAst.Inductive (_,(name,_,_,_)::_)
410 | TacticAst.Record (_,name,_,_) ->
411 Some (UriManager.uri_of_string (MatitaMisc.qualify status name ^ ".ind"))
412 | TacticAst.Inductive _ -> assert false
413 | TacticAst.Theorem _ -> None in
414 let (aliases, metasenv, cic, _) =
416 MatitaDisambiguator.disambiguate_obj ~dbd:(MatitaDb.instance ())
417 ~aliases:(status.aliases) ~uri obj
423 match status.proof_status with
424 | No_proof -> Intermediate metasenv
427 | Proof _ -> assert false
429 let status = { status with proof_status = proof_status } in
430 let status = MatitaSync.set_proof_aliases status aliases in
433 let disambiguate_command status = function
434 | TacticAst.Default _
436 | TacticAst.Include _ as cmd -> status,cmd
437 | TacticAst.Coercion (loc, term) ->
438 let status, term = disambiguate_term status term in
439 status, TacticAst.Coercion (loc,term)
440 | (TacticAst.Set _ | TacticAst.Qed _ | TacticAst.Drop _ ) as cmd ->
442 | TacticAst.Obj (loc,obj) ->
443 let status,obj = disambiguate_obj status obj in
444 status, TacticAst.Obj (loc,obj)
446 let eval_command status cmd =
447 let status,cmd = disambiguate_command status cmd in
449 | TacticAst.Default (loc, what, uris) as cmd ->
450 LibraryObjects.set_default what uris;
451 {status with moo_content_rev =
452 (TacticAstPp.pp_command cmd ^ "\n") :: status.moo_content_rev}
453 | TacticAst.Include (loc, path) ->
454 let path = MatitaMisc.obj_file_of_script path in
455 let stream = Stream.of_channel (open_in path) in
456 let status = ref status in
457 !eval_from_stream_ref status stream (fun _ _ -> ());
459 | TacticAst.Set (loc, name, value) ->
461 if name = "baseuri" then
462 let v = MatitaMisc.strip_trailing_slash value in
464 ignore (String.index v ' ');
465 command_error "baseuri can't contain spaces"
470 set_option status name value
471 | TacticAst.Drop loc -> raise Drop
472 | TacticAst.Qed loc ->
473 let uri, metasenv, bo, ty =
474 match status.proof_status with
475 | Proof (Some uri, metasenv, body, ty) ->
476 uri, metasenv, body, ty
477 | Proof (None, metasenv, body, ty) ->
479 ("Someone allows to start a thm without giving the "^
480 "name/uri. This should be fixed!")
481 | _-> command_error "You can't qed an uncomplete theorem"
483 let suri = UriManager.string_of_uri uri in
484 if metasenv <> [] then
485 command_error "Proof not completed! metasenv is not empty!";
486 let name = UriManager.name_of_uri uri in
487 let obj = Cic.Constant (name,Some bo,ty,[],[]) in
488 MatitaSync.add_obj uri obj status
489 | TacticAst.Coercion (loc, coercion) ->
490 eval_coercion status coercion
491 | TacticAst.Alias (loc, spec) ->
494 | TacticAst.Ident_alias (id,uri) ->
495 DisambiguateTypes.Environment.add
496 (DisambiguateTypes.Id id)
497 (uri,(fun _ _ _-> CicUtil.term_of_uri (UriManager.uri_of_string uri)))
499 | TacticAst.Symbol_alias (symb, instance, desc) ->
500 DisambiguateTypes.Environment.add
501 (DisambiguateTypes.Symbol (symb,instance))
502 (DisambiguateChoices.lookup_symbol_by_dsc symb desc)
504 | TacticAst.Number_alias (instance,desc) ->
505 DisambiguateTypes.Environment.add
506 (DisambiguateTypes.Num instance)
507 (DisambiguateChoices.lookup_num_by_dsc desc) status.aliases
509 MatitaSync.set_proof_aliases status aliases
510 | TacticAst.Obj (loc,obj) ->
513 Cic.Constant (name,_,_,_,_)
514 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
515 | Cic.InductiveDefinition (types,_,_,_) ->
517 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
518 | _ -> assert false in
520 UriManager.uri_of_string (MatitaMisc.qualify status name ^ ext)
522 let metasenv = MatitaMisc.get_proof_metasenv status in
524 Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
525 let name = UriManager.name_of_uri uri in
526 if not(CicPp.check name ty) then
527 MatitaLog.warn ("Bad name: " ^ name);
528 assert (metasenv = metasenv');
530 match metasenv' with (goalno,_,_)::_ -> goalno | _ -> assert false in
531 let initial_proof = (Some uri, metasenv, bo, ty) in
532 { status with proof_status = Incomplete_proof (initial_proof,goalno)}
534 if metasenv <> [] then
536 "metasenv not empty while giving a definition with body: " ^
537 CicMetaSubst.ppmetasenv metasenv []);
538 let status = MatitaSync.add_obj uri obj status in
540 Cic.Constant _ -> status
541 | Cic.InductiveDefinition (_,_,_,attrs) ->
542 let status = generate_elimination_principles uri status in
543 let rec get_record_attrs =
546 | (`Class (`Record fields))::_ -> Some fields
547 | _::tl -> get_record_attrs tl
549 (match get_record_attrs attrs with
550 None -> status (* not a record *)
551 | Some fields -> generate_projections uri fields status)
553 | Cic.Variable _ -> assert false
555 let eval_executable status ex =
557 | TacticAst.Tactical (_, tac) -> eval_tactical status tac
558 | TacticAst.Command (_, cmd) -> eval_command status cmd
559 | TacticAst.Macro (_, mac) ->
560 command_error (sprintf "The macro %s can't be in a script"
561 (TacticAstPp.pp_macro_ast mac))
563 let eval_comment status c = status
565 let eval_ast status st =
567 | TacticAst.Executable (_,ex) -> eval_executable status ex
568 | TacticAst.Comment (_,c) -> eval_comment status c
570 let eval_from_stream status str cb =
571 let stl = CicTextualParser2.parse_statements str in
573 (fun ast -> cb !status ast;status := eval_ast !status ast) stl
576 (* to avoid a long list of recursive functions *)
577 eval_from_stream_ref := eval_from_stream;;
579 let eval_from_stream_greedy status str cb =
581 print_string "matita> ";
583 let ast = CicTextualParser2.parse_statement str in
585 status := eval_ast !status ast
589 let eval_string status str =
590 eval_from_stream status (Stream.of_string str) (fun _ _ -> ())
592 let default_options () =
595 StringMap.add "baseuri"
597 (Helm_registry.get "matita.baseuri" ^ Helm_registry.get "matita.owner"))
602 StringMap.add "basedir"
603 (String (Helm_registry.get "matita.basedir" ))
610 aliases = DisambiguateTypes.empty_environment;
611 moo_content_rev = [];
612 proof_status = No_proof;
613 options = default_options ();