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 (_, term, _) ->
44 Tactics.elim_intros term
45 | TacticAst.ElimType (_, term) -> Tactics.elim_type term
46 | TacticAst.Exact (_, term) -> Tactics.exact term
47 | TacticAst.Exists _ -> Tactics.exists
48 | TacticAst.Fail _ -> Tactics.fail
49 | TacticAst.Fold (_, reduction_kind, term, pattern) ->
51 match reduction_kind with
52 | `Normalize -> CicReduction.normalize ~delta:false ~subst:[]
53 | `Reduce -> ProofEngineReduction.reduce
54 | `Simpl -> ProofEngineReduction.simpl
55 | `Whd -> CicReduction.whd ~delta:false ~subst:[]
57 Tactics.fold ~reduction ~term ~pattern
58 | TacticAst.Fourier _ -> Tactics.fourier
59 | TacticAst.FwdSimpl (_, hyp, names) ->
60 Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names) ~dbd:(MatitaDb.instance ()) hyp
61 | TacticAst.Generalize (_,pattern,ident) ->
62 let names = match ident with None -> [] | Some id -> [id] in
63 Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
64 | TacticAst.Goal (_, n) -> Tactics.set_goal n
65 | TacticAst.IdTac _ -> Tactics.id
66 | TacticAst.Injection (_,term) -> Tactics.injection term
67 | TacticAst.Intros (_, None, names) ->
68 PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
69 | TacticAst.Intros (_, Some num, names) ->
70 PrimitiveTactics.intros_tac ~howmany:num
71 ~mk_fresh_name_callback:(namer_of names) ()
72 | TacticAst.LApply (_, how_many, to_what, what, ident) ->
73 let names = match ident with None -> [] | Some id -> [id] in
74 Tactics.lapply ~mk_fresh_name_callback:(namer_of names) ?how_many ~to_what what
75 | TacticAst.Left _ -> Tactics.left
76 | TacticAst.LetIn (loc,term,name) ->
77 Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
78 | TacticAst.Reduce (_, reduction_kind, pattern) ->
79 (match reduction_kind with
80 | `Normalize -> Tactics.normalize ~pattern
81 | `Reduce -> Tactics.reduce ~pattern
82 | `Simpl -> Tactics.simpl ~pattern
83 | `Whd -> Tactics.whd ~pattern)
84 | TacticAst.Reflexivity _ -> Tactics.reflexivity
85 | TacticAst.Replace (_, pattern, with_what) ->
86 Tactics.replace ~pattern ~with_what
87 | TacticAst.Rewrite (_, direction, t, pattern) ->
88 EqualityTactics.rewrite_tac ~direction ~pattern t
89 | TacticAst.Right _ -> Tactics.right
90 | TacticAst.Ring _ -> Tactics.ring
91 | TacticAst.Split _ -> Tactics.split
92 | TacticAst.Symmetry _ -> Tactics.symmetry
93 | TacticAst.Transitivity (_, term) -> Tactics.transitivity term
95 let eval_tactical status tac =
96 let apply_tactic tactic =
98 ProofEngineTypes.apply_tactic tactic (MatitaMisc.get_proof_status status)
103 let (_,metasenv,_,_) = proof in
106 | (ng,_,_)::_ -> Incomplete_proof (proof,ng))
107 | ng::_ -> Incomplete_proof (proof, ng)
109 { status with proof_status = new_status }
111 let rec tactical_of_ast = function
112 | TacticAst.Tactic (loc, tactic) -> tactic_of_ast tactic
113 | TacticAst.Do (loc, num, tactical) ->
114 Tacticals.do_tactic num (tactical_of_ast tactical)
115 | TacticAst.Repeat (loc, tactical) ->
116 Tacticals.repeat_tactic (tactical_of_ast tactical)
117 | TacticAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
118 Tacticals.seq (List.map tactical_of_ast tacticals)
119 | TacticAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
120 Tacticals.thens (tactical_of_ast tactical)
121 (List.map tactical_of_ast tacticals)
122 | TacticAst.Tries (loc, tacticals) ->
123 Tacticals.try_tactics
124 (List.map (fun t -> "", tactical_of_ast t) tacticals)
125 | TacticAst.Try (loc, tactical) ->
126 Tacticals.try_tactic (tactical_of_ast tactical)
128 apply_tactic (tactical_of_ast tac)
130 let eval_coercion status coercion =
131 let coer_uri,coer_ty =
135 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
137 | Cic.Constant (_,_,ty,_,_)
138 | Cic.Variable (_,_,ty,_,_) ->
141 | Cic.MutConstruct (uri,t,c,_) ->
142 let o,_ = CicEnvironment.get_obj CicUniv.empty_ugraph uri in
144 | Cic.InductiveDefinition (l,_,_,_) ->
145 let (_,_,_,cl) = List.nth l t in
146 let (_,cty) = List.nth cl c in
151 (* we have to get the source and the tgt type uri
152 * in Coq syntax we have already their names, but
153 * since we don't support Funclass and similar I think
154 * all the coercion should be of the form
156 * So we should be able to extract them from the coercion type
158 let extract_last_two_p ty =
159 let rec aux = function
160 | Cic.Prod( _, src, Cic.Prod (n,t1,t2)) -> aux (Cic.Prod(n,t1,t2))
161 | Cic.Prod( _, src, tgt) -> src, tgt
166 let ty_src,ty_tgt = extract_last_two_p coer_ty in
169 let ty_src = CicReduction.whd context ty_src in
170 CicUtil.uri_of_term ty_src
173 let ty_tgt = CicReduction.whd context ty_tgt in
174 CicUtil.uri_of_term ty_tgt
177 (* also adds them to the Db *)
178 CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri in
180 List.fold_left (fun s (uri,o,ugraph) -> MatitaSync.add_obj uri o status)
181 status new_coercions in
182 let statement_of name =
183 TacticAstPp.pp_statement
184 (TacticAst.Executable (CicAst.dummy_floc,
185 (TacticAst.Command (CicAst.dummy_floc,
186 (TacticAst.Coercion (CicAst.dummy_floc,
187 (CicAst.Ident (name, None)))))))) ^ "\n"
189 let moo_content_rev =
190 [statement_of (UriManager.name_of_uri coer_uri)] @
193 statement_of (UriManager.name_of_uri uri))
194 new_coercions) @ status.moo_content_rev
196 let status = {status with moo_content_rev = moo_content_rev} in
197 {status with proof_status = No_proof}
199 let generate_elimination_principles uri status =
200 let elim sort status =
202 let uri,obj = CicElim.elim_of ~sort uri 0 in
203 MatitaSync.add_obj uri obj status
204 with CicElim.Can_t_eliminate -> status
206 List.fold_left (fun status sort -> elim sort status) status
207 [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ]
209 let generate_projections uri fields status =
210 let projections = CicRecord.projections_of uri fields in
212 (fun status (uri, name, bo) ->
215 CicTypeChecker.type_of_aux' [] [] bo CicUniv.empty_ugraph in
216 let bo = Unshare.unshare bo in
217 let ty = Unshare.unshare ty in
218 let attrs = [`Class `Projection; `Generated] in
219 let obj = Cic.Constant (name,Some bo,ty,[],attrs) in
220 MatitaSync.add_obj uri obj status
222 CicTypeChecker.TypeCheckerFailure s ->
224 ("Unable to create projection " ^ name ^ " cause: " ^ s);
226 | CicEnvironment.Object_not_found uri ->
227 let depend = UriManager.name_of_uri uri in
229 ("Unable to create projection " ^ name ^ " because it requires " ^ depend);
233 (* to avoid a long list of recursive functions *)
234 let eval_from_stream_ref = ref (fun _ _ _ -> assert false);;
236 let eval_command status cmd =
238 | TacticAst.Default (loc, what, uris) as cmd ->
239 LibraryObjects.set_default what uris;
240 {status with moo_content_rev =
241 (TacticAstPp.pp_command cmd ^ "\n") :: status.moo_content_rev}
242 | TacticAst.Include (loc, path) ->
243 let path = MatitaMisc.obj_file_of_script path in
244 let stream = Stream.of_channel (open_in path) in
245 let status = ref status in
246 !eval_from_stream_ref status stream (fun _ _ -> ());
248 | TacticAst.Set (loc, name, value) ->
250 if name = "baseuri" then
251 MatitaMisc.strip_trailing_slash value
255 set_option status name value
256 | TacticAst.Drop loc -> raise Drop
257 | TacticAst.Qed loc ->
258 let uri, metasenv, bo, ty =
259 match status.proof_status with
260 | Proof (Some uri, metasenv, body, ty) ->
261 uri, metasenv, body, ty
262 | Proof (None, metasenv, body, ty) ->
264 ("Someone allows to start a thm without giving the "^
265 "name/uri. This should be fixed!")
266 | _-> command_error "You can't qed an uncomplete theorem"
268 let suri = UriManager.string_of_uri uri in
269 if metasenv <> [] then
270 command_error "Proof not completed! metasenv is not empty!";
271 let name = UriManager.name_of_uri uri in
272 let obj = Cic.Constant (name,Some bo,ty,[],[]) in
273 MatitaSync.add_obj uri obj status
274 | TacticAst.Coercion (loc, coercion) ->
275 eval_coercion status coercion
276 | TacticAst.Alias (loc, spec) ->
279 | TacticAst.Ident_alias (id,uri) ->
280 DisambiguateTypes.Environment.add
281 (DisambiguateTypes.Id id)
282 (uri,(fun _ _ _-> CicUtil.term_of_uri (UriManager.uri_of_string uri)))
284 | TacticAst.Symbol_alias (symb, instance, desc) ->
285 DisambiguateTypes.Environment.add
286 (DisambiguateTypes.Symbol (symb,instance))
287 (DisambiguateChoices.lookup_symbol_by_dsc symb desc)
289 | TacticAst.Number_alias (instance,desc) ->
290 DisambiguateTypes.Environment.add
291 (DisambiguateTypes.Num instance)
292 (DisambiguateChoices.lookup_num_by_dsc desc) status.aliases
294 MatitaSync.set_proof_aliases status aliases
295 | TacticAst.Obj (loc,obj) ->
298 Cic.Constant (name,_,_,_,_)
299 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
300 | Cic.InductiveDefinition (types,_,_,_) ->
302 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
303 | _ -> assert false in
305 UriManager.uri_of_string (MatitaMisc.qualify status name ^ ext)
307 let metasenv = MatitaMisc.get_proof_metasenv status in
309 Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
310 assert (metasenv = metasenv');
312 match metasenv' with (goalno,_,_)::_ -> goalno | _ -> assert false in
313 let initial_proof = (Some uri, metasenv, bo, ty) in
314 { status with proof_status = Incomplete_proof (initial_proof,goalno)}
316 if metasenv <> [] then
318 "metasenv not empty while giving a definition with body: " ^
319 CicMetaSubst.ppmetasenv metasenv []);
320 let status = MatitaSync.add_obj uri obj status in
322 Cic.Constant _ -> status
323 | Cic.InductiveDefinition (_,_,_,attrs) ->
324 let status = generate_elimination_principles uri status in
325 let rec get_record_attrs =
328 | (`Class (`Record fields))::_ -> Some fields
329 | _::tl -> get_record_attrs tl
331 (match get_record_attrs attrs with
332 None -> status (* not a record *)
333 | Some fields -> generate_projections uri fields status)
335 | Cic.Variable _ -> assert false
337 let eval_executable status ex =
339 | TacticAst.Tactical (_, tac) -> eval_tactical status tac
340 | TacticAst.Command (_, cmd) -> eval_command status cmd
341 | TacticAst.Macro (_, mac) ->
342 command_error (sprintf "The macro %s can't be in a script"
343 (TacticAstPp.pp_macro_cic mac))
345 let eval_comment status c = status
349 | TacticAst.Executable (_,ex) -> eval_executable status ex
350 | TacticAst.Comment (_,c) -> eval_comment status c
352 let disambiguate_term status term =
353 let (aliases, metasenv, cic, _) =
355 MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
356 ~aliases:(status.aliases) ~context:(MatitaMisc.get_proof_context status)
357 ~metasenv:(MatitaMisc.get_proof_metasenv status) term
363 match status.proof_status with
364 | No_proof -> Intermediate metasenv
365 | Incomplete_proof ((uri, _, proof, ty), goal) ->
366 Incomplete_proof ((uri, metasenv, proof, ty), goal)
367 | Intermediate _ -> Intermediate metasenv
368 | Proof _ -> assert false
370 let status = { status with proof_status = proof_status } in
371 let status = MatitaSync.set_proof_aliases status aliases in
374 let disambiguate_obj status obj =
377 TacticAst.Inductive (_,(name,_,_,_)::_)
378 | TacticAst.Record (_,name,_,_) ->
379 Some (UriManager.uri_of_string (MatitaMisc.qualify status name ^ ".ind"))
380 | TacticAst.Inductive _ -> assert false
382 let (aliases, metasenv, cic, _) =
384 MatitaDisambiguator.disambiguate_obj ~dbd:(MatitaDb.instance ())
385 ~aliases:(status.aliases) ~uri obj
391 match status.proof_status with
392 | No_proof -> Intermediate metasenv
395 | Proof _ -> assert false
397 let status = { status with proof_status = proof_status } in
398 let status = MatitaSync.set_proof_aliases status aliases in
401 let disambiguate_pattern status (wanted, hyp_paths, goal_path) =
402 let interp path = Disambiguate.interpretate_path [] status.aliases path in
403 let goal_path = interp goal_path in
404 let hyp_paths = List.map (fun (name, path) -> name, interp path) hyp_paths in
409 let status,wanted = disambiguate_term status wanted in
412 status, (wanted, hyp_paths ,goal_path)
414 let disambiguate_tactic status = function
415 | TacticAst.Apply (loc, term) ->
416 let status, cic = disambiguate_term status term in
417 status, TacticAst.Apply (loc, cic)
418 | TacticAst.Absurd (loc, term) ->
419 let status, cic = disambiguate_term status term in
420 status, TacticAst.Absurd (loc, cic)
421 | TacticAst.Assumption loc -> status, TacticAst.Assumption loc
422 | TacticAst.Auto (loc,depth,width) -> status, TacticAst.Auto (loc,depth,width)
423 | TacticAst.Change (loc, pattern, with_what) ->
424 let status, with_what = disambiguate_term status with_what in
425 let status, pattern = disambiguate_pattern status pattern in
426 status, TacticAst.Change (loc, pattern, with_what)
427 | TacticAst.Clear (loc,id) -> status,TacticAst.Clear (loc,id)
428 | TacticAst.ClearBody (loc,id) -> status,TacticAst.ClearBody (loc,id)
429 | TacticAst.Compare (loc,term) ->
430 let status, term = disambiguate_term status term in
431 status, TacticAst.Compare (loc,term)
432 | TacticAst.Constructor (loc,n) ->
433 status, TacticAst.Constructor (loc,n)
434 | TacticAst.Contradiction loc ->
435 status, TacticAst.Contradiction loc
436 | TacticAst.Cut (loc, ident, term) ->
437 let status, cic = disambiguate_term status term in
438 status, TacticAst.Cut (loc, ident, cic)
439 | TacticAst.DecideEquality loc ->
440 status, TacticAst.DecideEquality loc
441 | TacticAst.Decompose (loc,term) ->
442 let status,term = disambiguate_term status term in
443 status, TacticAst.Decompose(loc,term)
444 | TacticAst.Discriminate (loc,term) ->
445 let status,term = disambiguate_term status term in
446 status, TacticAst.Discriminate(loc,term)
447 | TacticAst.Exact (loc, term) ->
448 let status, cic = disambiguate_term status term in
449 status, TacticAst.Exact (loc, cic)
450 | TacticAst.Elim (loc, term, Some term') ->
451 let status, cic1 = disambiguate_term status term in
452 let status, cic2 = disambiguate_term status term' in
453 status, TacticAst.Elim (loc, cic1, Some cic2)
454 | TacticAst.Elim (loc, term, None) ->
455 let status, cic = disambiguate_term status term in
456 status, TacticAst.Elim (loc, cic, None)
457 | TacticAst.ElimType (loc, term) ->
458 let status, cic = disambiguate_term status term in
459 status, TacticAst.ElimType (loc, cic)
460 | TacticAst.Exists loc -> status, TacticAst.Exists loc
461 | TacticAst.Fail loc -> status,TacticAst.Fail loc
462 | TacticAst.Fold (loc,reduction_kind, term, pattern) ->
463 let status, pattern = disambiguate_pattern status pattern in
464 let status, term = disambiguate_term status term in
465 status, TacticAst.Fold (loc,reduction_kind, term, pattern)
466 | TacticAst.FwdSimpl (loc, hyp, names) ->
467 status, TacticAst.FwdSimpl (loc, hyp, names)
468 | TacticAst.Fourier loc -> status, TacticAst.Fourier loc
469 | TacticAst.Generalize (loc,pattern,ident) ->
470 let status, pattern = disambiguate_pattern status pattern in
471 status, TacticAst.Generalize(loc,pattern,ident)
472 | TacticAst.Goal (loc, g) -> status, TacticAst.Goal (loc, g)
473 | TacticAst.IdTac loc -> status,TacticAst.IdTac loc
474 | TacticAst.Injection (loc,term) ->
475 let status, term = disambiguate_term status term in
476 status, TacticAst.Injection (loc,term)
477 | TacticAst.Intros (loc, num, names) ->
478 status, TacticAst.Intros (loc, num, names)
479 | TacticAst.LApply (loc, depth, to_what, what, ident) ->
480 let f term (status, to_what) =
481 let status, term = disambiguate_term status term in
482 status, term :: to_what
484 let status, to_what = List.fold_right f to_what (status, []) in
485 let status, what = disambiguate_term status what in
486 status, TacticAst.LApply (loc, depth, to_what, what, ident)
487 | TacticAst.Left loc -> status, TacticAst.Left loc
488 | TacticAst.LetIn (loc, term, name) ->
489 let status, term = disambiguate_term status term in
490 status, TacticAst.LetIn (loc,term,name)
491 | TacticAst.Reduce (loc, reduction_kind, pattern) ->
492 let status, pattern = disambiguate_pattern status pattern in
493 status, TacticAst.Reduce(loc, reduction_kind, pattern)
494 | TacticAst.Reflexivity loc -> status, TacticAst.Reflexivity loc
495 | TacticAst.Replace (loc, pattern, with_what) ->
496 let status, pattern = disambiguate_pattern status pattern in
497 let status, with_what = disambiguate_term status with_what in
498 status, TacticAst.Replace (loc, pattern, with_what)
499 | TacticAst.Rewrite (loc, dir, t, pattern) ->
500 let status, term = disambiguate_term status t in
501 let status, pattern = disambiguate_pattern status pattern in
502 status, TacticAst.Rewrite (loc, dir, term, pattern)
503 | TacticAst.Right loc -> status, TacticAst.Right loc
504 | TacticAst.Ring loc -> status, TacticAst.Ring loc
505 | TacticAst.Split loc -> status, TacticAst.Split loc
506 | TacticAst.Symmetry loc -> status, TacticAst.Symmetry loc
507 | TacticAst.Transitivity (loc, term) ->
508 let status, cic = disambiguate_term status term in
509 status, TacticAst.Transitivity (loc, cic)
511 let rec disambiguate_tactical status = function
512 | TacticAst.Tactic (loc, tactic) ->
513 let status, tac = disambiguate_tactic status tactic in
514 status, TacticAst.Tactic (loc, tac)
515 | TacticAst.Do (loc, num, tactical) ->
516 let status, tac = disambiguate_tactical status tactical in
517 status, TacticAst.Do (loc, num, tac)
518 | TacticAst.Repeat (loc, tactical) ->
519 let status, tac = disambiguate_tactical status tactical in
520 status, TacticAst.Repeat (loc, tac)
521 | TacticAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
522 let status, tacticals = disambiguate_tacticals status tacticals in
523 let tacticals = List.rev tacticals in
524 status, TacticAst.Seq (loc, tacticals)
525 | TacticAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
526 let status, tactical = disambiguate_tactical status tactical in
527 let status, tacticals = disambiguate_tacticals status tacticals in
528 status, TacticAst.Then (loc, tactical, tacticals)
529 | TacticAst.Tries (loc, tacticals) ->
530 let status, tacticals = disambiguate_tacticals status tacticals in
531 status, TacticAst.Tries (loc, tacticals)
532 | TacticAst.Try (loc, tactical) ->
533 let status, tactical = disambiguate_tactical status tactical in
534 status, TacticAst.Try (loc, tactical)
536 and disambiguate_tacticals status tacticals =
537 let status, tacticals =
539 (fun (status, tacticals) tactical ->
540 let status, tac = disambiguate_tactical status tactical in
541 status, tac :: tacticals)
545 let tacticals = List.rev tacticals in
548 let disambiguate_command status = function
549 | TacticAst.Default _
551 | TacticAst.Include _ as cmd -> status,cmd
552 | TacticAst.Coercion (loc, term) ->
553 let status, term = disambiguate_term status term in
554 status, TacticAst.Coercion (loc,term)
555 | (TacticAst.Set _ | TacticAst.Qed _ | TacticAst.Drop _ ) as cmd ->
557 | TacticAst.Obj (loc,obj) ->
558 let status,obj = disambiguate_obj status obj in
559 status, TacticAst.Obj (loc,obj)
561 let disambiguate_executable status ex =
563 | TacticAst.Tactical (loc, tac) ->
564 let status, tac = disambiguate_tactical status tac in
565 status, (TacticAst.Tactical (loc, tac))
566 | TacticAst.Command (loc, cmd) ->
567 let status, cmd = disambiguate_command status cmd in
568 status, (TacticAst.Command (loc, cmd))
569 | TacticAst.Macro (_, mac) ->
570 command_error (sprintf "The macro %s can't be in a script"
571 (TacticAstPp.pp_macro_ast mac))
573 let disambiguate_comment status c =
575 | TacticAst.Note (loc,n) -> status, TacticAst.Note (loc,n)
576 | TacticAst.Code (loc,ex) ->
577 let status, ex = disambiguate_executable status ex in
578 status, TacticAst.Code (loc,ex)
580 let disambiguate_statement status statement =
582 | TacticAst.Comment (loc,c) ->
583 let status, c = disambiguate_comment status c in
584 status, TacticAst.Comment (loc,c)
585 | TacticAst.Executable (loc,ex) ->
586 let status, ex = disambiguate_executable status ex in
587 status, TacticAst.Executable (loc,ex)
589 let eval_ast status ast =
590 let status,st = disambiguate_statement status ast in
591 (* this disambiguation step should be deferred to support tacticals *)
594 let eval_from_stream status str cb =
595 let stl = CicTextualParser2.parse_statements str in
597 (fun ast -> cb !status ast;status := eval_ast !status ast) stl
600 (* to avoid a long list of recursive functions *)
601 eval_from_stream_ref := eval_from_stream;;
603 let eval_from_stream_greedy status str cb =
605 print_string "matita> ";
607 let ast = CicTextualParser2.parse_statement str in
609 status := eval_ast !status ast
613 let eval_string status str =
614 eval_from_stream status (Stream.of_string str) (fun _ _ -> ())
616 let default_options () =
619 StringMap.add "baseuri"
621 (Helm_registry.get "matita.baseuri" ^ Helm_registry.get "matita.owner"))
626 StringMap.add "basedir"
627 (String (Helm_registry.get "matita.basedir" ))
634 aliases = DisambiguateTypes.empty_environment;
635 moo_content_rev = [];
636 proof_status = No_proof;
637 options = default_options ();