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 module PEH = ProofEngineHelpers
31 (* mo file name, ma file name *)
32 exception IncludedFileNotCompiled of string * string
35 (Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro)
36 exception ReadOnlyUri of string
38 type 'a disambiguator_input = string * int * 'a
41 do_heavy_checks: bool ;
45 let rec tactic_of_ast status ast =
46 let module PET = ProofEngineTypes in
48 (* Higher order tactics *)
49 | GrafiteAst.Do (loc, n, tactic) ->
50 Tacticals.do_tactic n (tactic_of_ast status tactic)
51 | GrafiteAst.Seq (loc, tactics) -> (* tac1; tac2; ... *)
52 Tacticals.seq (List.map (tactic_of_ast status) tactics)
53 | GrafiteAst.Repeat (loc, tactic) ->
54 Tacticals.repeat_tactic (tactic_of_ast status tactic)
55 | GrafiteAst.Then (loc, tactic, tactics) -> (* tac; [ tac1 | ... ] *)
57 (tactic_of_ast status tactic)
58 (List.map (tactic_of_ast status) tactics)
59 | GrafiteAst.First (loc, tactics) ->
60 Tacticals.first (List.map (tactic_of_ast status) tactics)
61 | GrafiteAst.Try (loc, tactic) ->
62 Tacticals.try_tactic (tactic_of_ast status tactic)
63 | GrafiteAst.Solve (loc, tactics) ->
64 Tacticals.solve_tactics (List.map (tactic_of_ast status) tactics)
65 | GrafiteAst.Progress (loc, tactic) ->
66 Tacticals.progress_tactic (tactic_of_ast status tactic)
67 (* First order tactics *)
68 | GrafiteAst.Absurd (_, term) -> Tactics.absurd term
69 | GrafiteAst.Apply (_, term) -> Tactics.apply term
70 | GrafiteAst.ApplyS (_, term, params) ->
71 Tactics.applyS ~term ~params ~dbd:(LibraryDb.instance ())
72 ~universe:status.GrafiteTypes.universe
73 | GrafiteAst.Assumption _ -> Tactics.assumption
74 | GrafiteAst.AutoBatch (_,params) ->
75 Tactics.auto ~params ~dbd:(LibraryDb.instance ())
76 ~universe:status.GrafiteTypes.universe
77 | GrafiteAst.Cases (_, what, (howmany, names)) ->
78 Tactics.cases_intros ?howmany ~mk_fresh_name_callback:(PEH.namer_of names)
80 | GrafiteAst.Change (_, pattern, with_what) ->
81 Tactics.change ~pattern with_what
82 | GrafiteAst.Clear (_,id) -> Tactics.clear id
83 | GrafiteAst.ClearBody (_,id) -> Tactics.clearbody id
84 | GrafiteAst.Compose (_,t1,t2,times,(howmany, names)) ->
85 Tactics.compose times t1 t2 ?howmany
86 ~mk_fresh_name_callback:(PEH.namer_of names)
87 | GrafiteAst.Contradiction _ -> Tactics.contradiction
88 | GrafiteAst.Constructor (_, n) -> Tactics.constructor n
89 | GrafiteAst.Cut (_, ident, term) ->
90 let names = match ident with None -> [] | Some id -> [Some id] in
91 Tactics.cut ~mk_fresh_name_callback:(PEH.namer_of names) term
92 | GrafiteAst.Decompose (_, names) ->
93 let mk_fresh_name_callback = PEH.namer_of names in
94 Tactics.decompose ~mk_fresh_name_callback ()
95 | GrafiteAst.Demodulate _ ->
97 ~dbd:(LibraryDb.instance ()) ~universe:status.GrafiteTypes.universe
98 | GrafiteAst.Destruct (_,term) -> Tactics.destruct term
99 | GrafiteAst.Elim (_, what, using, pattern, (depth, names)) ->
100 Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(PEH.namer_of names)
102 | GrafiteAst.ElimType (_, what, using, (depth, names)) ->
103 Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(PEH.namer_of names)
105 | GrafiteAst.Exact (_, term) -> Tactics.exact term
106 | GrafiteAst.Exists _ -> Tactics.exists
107 | GrafiteAst.Fail _ -> Tactics.fail
108 | GrafiteAst.Fold (_, reduction_kind, term, pattern) ->
110 match reduction_kind with
112 PET.const_lazy_reduction
113 (CicReduction.normalize ~delta:false ~subst:[])
114 | `Reduce -> PET.const_lazy_reduction ProofEngineReduction.reduce
115 | `Simpl -> PET.const_lazy_reduction ProofEngineReduction.simpl
117 PET.const_lazy_reduction (ProofEngineReduction.unfold ?what:None)
118 | `Unfold (Some lazy_term) ->
119 (fun context metasenv ugraph ->
120 let what, metasenv, ugraph = lazy_term context metasenv ugraph in
121 ProofEngineReduction.unfold ~what, metasenv, ugraph)
123 PET.const_lazy_reduction (CicReduction.whd ~delta:false ~subst:[])
125 Tactics.fold ~reduction ~term ~pattern
126 | GrafiteAst.Fourier _ -> Tactics.fourier
127 | GrafiteAst.FwdSimpl (_, hyp, names) ->
128 Tactics.fwd_simpl ~mk_fresh_name_callback:(PEH.namer_of names)
129 ~dbd:(LibraryDb.instance ()) hyp
130 | GrafiteAst.Generalize (_,pattern,ident) ->
131 let names = match ident with None -> [] | Some id -> [Some id] in
132 Tactics.generalize ~mk_fresh_name_callback:(PEH.namer_of names) pattern
133 | GrafiteAst.IdTac _ -> Tactics.id
134 | GrafiteAst.Intros (_, (howmany, names)) ->
135 PrimitiveTactics.intros_tac ?howmany
136 ~mk_fresh_name_callback:(PEH.namer_of names) ()
137 | GrafiteAst.Inversion (_, term) ->
138 Tactics.inversion term
139 | GrafiteAst.LApply (_, linear, how_many, to_what, what, ident) ->
140 let names = match ident with None -> [] | Some id -> [Some id] in
141 Tactics.lapply ~mk_fresh_name_callback:(PEH.namer_of names)
142 ~linear ?how_many ~to_what what
143 | GrafiteAst.Left _ -> Tactics.left
144 | GrafiteAst.LetIn (loc,term,name) ->
145 Tactics.letin term ~mk_fresh_name_callback:(PEH.namer_of [Some name])
146 | GrafiteAst.Reduce (_, reduction_kind, pattern) ->
147 (match reduction_kind with
148 | `Normalize -> Tactics.normalize ~pattern
149 | `Reduce -> Tactics.reduce ~pattern
150 | `Simpl -> Tactics.simpl ~pattern
151 | `Unfold what -> Tactics.unfold ~pattern what
152 | `Whd -> Tactics.whd ~pattern)
153 | GrafiteAst.Reflexivity _ -> Tactics.reflexivity
154 | GrafiteAst.Replace (_, pattern, with_what) ->
155 Tactics.replace ~pattern ~with_what
156 | GrafiteAst.Rewrite (_, direction, t, pattern, names) ->
157 EqualityTactics.rewrite_tac ~direction ~pattern t
158 (* to be replaced with ~mk_fresh_name_callback:(PEH.namer_of names) *)
159 (List.map (function Some s -> s | None -> assert false) names)
160 | GrafiteAst.Right _ -> Tactics.right
161 | GrafiteAst.Ring _ -> Tactics.ring
162 | GrafiteAst.Split _ -> Tactics.split
163 | GrafiteAst.Subst _ -> Tactics.subst
164 | GrafiteAst.Symmetry _ -> Tactics.symmetry
165 | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
166 (* Implementazioni Aggiunte *)
167 | GrafiteAst.Assume (_, id, t) -> Declarative.assume id t
168 | GrafiteAst.Suppose (_, t, id, t1) -> Declarative.suppose t id t1
169 | GrafiteAst.By_term_we_proved (_, t, ty, id, t1) ->
170 Declarative.by_term_we_proved ~dbd:(LibraryDb.instance())
171 ~universe:status.GrafiteTypes.universe t ty id t1
172 | GrafiteAst.We_need_to_prove (_, t, id, t2) ->
173 Declarative.we_need_to_prove t id t2
174 | GrafiteAst.Bydone (_, t) ->
175 Declarative.bydone ~dbd:(LibraryDb.instance())
176 ~universe:status.GrafiteTypes.universe t
177 | GrafiteAst.We_proceed_by_cases_on (_, t, t1) ->
178 Declarative.we_proceed_by_cases_on t t1
179 | GrafiteAst.We_proceed_by_induction_on (_, t, t1) ->
180 Declarative.we_proceed_by_induction_on t t1
181 | GrafiteAst.Byinduction (_, t, id) -> Declarative.byinduction t id
182 | GrafiteAst.Thesisbecomes (_, t) -> Declarative.thesisbecomes t
183 | GrafiteAst.ExistsElim (_, t, id1, t1, id2, t2) ->
184 Declarative.existselim ~dbd:(LibraryDb.instance())
185 ~universe:status.GrafiteTypes.universe t id1 t1 id2 t2
186 | GrafiteAst.Case (_,id,params) -> Declarative.case id params
187 | GrafiteAst.AndElim(_,t,id1,t1,id2,t2) -> Declarative.andelim t id1 t1 id2 t2
188 | GrafiteAst.RewritingStep (_,termine,t1,t2,cont) ->
189 Declarative.rewritingstep ~dbd:(LibraryDb.instance ())
190 ~universe:status.GrafiteTypes.universe termine t1 t2 cont
192 let classify_tactic tactic =
194 (* tactics that can't close the goal (return a goal we want to "select") *)
195 | GrafiteAst.Rewrite _
197 | GrafiteAst.Replace _
198 | GrafiteAst.Reduce _
200 | GrafiteAst.Generalize _
203 | GrafiteAst.Decompose _ -> true
204 (* tactics like apply *)
207 let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
208 let module PEH = ProofEngineHelpers in
209 (* let print_m name metasenv =
210 prerr_endline (">>>>> " ^ name);
211 prerr_endline (CicMetaSubst.ppmetasenv [] metasenv)
213 (* phase one calculates:
214 * new_goals_from_refine: goals added by refine
215 * head_goal: the first goal opened by ythe tactic
216 * other_goals: other goals opened by the tactic
218 let new_goals_from_refine = PEH.compare_metasenvs start refine in
219 let new_goals_from_tactic = PEH.compare_metasenvs refine tactic in
220 let head_goal, other_goals, goals =
222 | [] -> None,[],goals
224 (* assert (List.mem hd new_goals_from_tactic);
225 * invalidato dalla goal_tac
227 Some hd, List.filter ((<>) hd) new_goals_from_tactic, List.filter ((<>)
232 | None -> new_goals_from_refine @ other_goals
233 | Some x -> x :: new_goals_from_refine @ other_goals
235 (* extract the metas generated by refine and tactic *)
236 let metas_for_tactic_head =
239 | Some head_goal -> List.filter (fun (n,_,_) -> n = head_goal) tactic in
240 let metas_for_tactic_goals =
242 (fun x -> List.find (fun (metano,_,_) -> metano = x) tactic)
245 let metas_for_refine_goals =
246 List.filter (fun (n,_,_) -> List.mem n new_goals_from_refine) tactic in
247 let produced_metas, goals =
249 if always_opens_a_goal then
250 metas_for_tactic_head @ metas_for_refine_goals @
251 metas_for_tactic_goals
253 (* print_m "metas_for_refine_goals" metas_for_refine_goals;
254 print_m "metas_for_tactic_head" metas_for_tactic_head;
255 print_m "metas_for_tactic_goals" metas_for_tactic_goals; *)
256 metas_for_refine_goals @ metas_for_tactic_head @
257 metas_for_tactic_goals
260 let goals = List.map (fun (metano, _, _) -> metano) produced_metas in
261 produced_metas, goals
263 (* residual metas, preserving the original order *)
268 | (metano, _, _) :: tl when metano = e ->
269 [], List.map (fun (x,_,_) -> x) tl
270 | (metano, _, _) :: tl -> let b, a = split e tl in metano :: b, a
272 let find n metasenv =
274 Some (List.find (fun (metano, _, _) -> metano = n) metasenv)
275 with Not_found -> None
280 match find n tactic with
284 let before_l, after_l = split current_goal start in
286 List.filter (fun x -> not (List.mem x produced_goals)) before_l in
288 List.filter (fun x -> not (List.mem x produced_goals)) after_l in
289 let before = extract before_l in
290 let after = extract after_l in
294 print_m "BEGIN" start;
295 prerr_endline ("goal was: " ^ string_of_int current_goal);
296 prerr_endline ("and metas from refine are:");
298 (fun t -> prerr_string (" " ^ string_of_int t))
299 new_goals_from_refine;
301 print_m "before" before;
302 print_m "metas_for_tactic_head" metas_for_tactic_head;
303 print_m "metas_for_refine_goals" metas_for_refine_goals;
304 print_m "metas_for_tactic_goals" metas_for_tactic_goals;
305 print_m "produced_metas" produced_metas;
306 print_m "after" after;
307 |+ FINE DEBUG CODE +| *)
308 before @ produced_metas @ after, goals
310 let apply_tactic ~disambiguate_tactic (text,prefix_len,tactic) (status, goal) =
311 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
312 let before = List.map (fun g, _, _ -> g) starting_metasenv in
313 let status, tactic = disambiguate_tactic status goal (text,prefix_len,tactic) in
314 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
315 let proof = GrafiteTypes.get_current_proof status in
316 let proof_status = proof, goal in
317 let always_opens_a_goal = classify_tactic tactic in
318 let tactic = tactic_of_ast status tactic in
319 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
320 let after = ProofEngineTypes.goals_of_proof proof in
321 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
322 let proof, opened_goals =
323 let uri, metasenv_after_tactic, _subst, t, ty, attrs = proof in
324 let reordered_metasenv, opened_goals =
327 metasenv_after_refinement metasenv_after_tactic
328 opened goal always_opens_a_goal
330 let proof' = uri, reordered_metasenv, _subst, t, ty, attrs in
333 let incomplete_proof =
334 match status.GrafiteTypes.proof_status with
335 | GrafiteTypes.Incomplete_proof p -> p
338 { status with GrafiteTypes.proof_status =
339 GrafiteTypes.Incomplete_proof
340 { incomplete_proof with GrafiteTypes.proof = proof } },
341 opened_goals, closed_goals
343 let apply_atomic_tactical ~disambiguate_tactic ~patch (text,prefix_len,tactic) (status, goal) =
344 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
345 let before = List.map (fun g, _, _ -> g) starting_metasenv in
346 let status, tactic = disambiguate_tactic status goal (text,prefix_len,tactic) in
347 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
348 let proof = GrafiteTypes.get_current_proof status in
349 let proof_status = proof, goal in
350 let always_opens_a_goal = classify_tactic tactic in
351 let tactic = tactic_of_ast status tactic in
352 let tactic = patch tactic in
353 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
354 let after = ProofEngineTypes.goals_of_proof proof in
355 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
356 let proof, opened_goals =
357 let uri, metasenv_after_tactic, _subst, t, ty, attrs = proof in
358 let reordered_metasenv, opened_goals =
361 metasenv_after_refinement metasenv_after_tactic
362 opened goal always_opens_a_goal
364 let proof' = uri, reordered_metasenv, _subst, t, ty, attrs in
367 let incomplete_proof =
368 match status.GrafiteTypes.proof_status with
369 | GrafiteTypes.Incomplete_proof p -> p
372 { status with GrafiteTypes.proof_status =
373 GrafiteTypes.Incomplete_proof
374 { incomplete_proof with GrafiteTypes.proof = proof } },
375 opened_goals, closed_goals
378 'term 'lazy_term 'reduction 'obj 'ident.
380 (GrafiteTypes.status ->
381 ProofEngineTypes.goal ->
382 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
383 disambiguator_input ->
384 GrafiteTypes.status *
385 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
387 disambiguate_command:
388 (GrafiteTypes.status ->
389 (('term,'obj) GrafiteAst.command) disambiguator_input ->
390 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
393 (GrafiteTypes.status ->
394 ('term GrafiteAst.macro) disambiguator_input ->
395 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
397 ?do_heavy_checks:bool ->
398 ?clean_baseuri:bool ->
399 GrafiteTypes.status ->
400 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.statement)
401 disambiguator_input ->
402 GrafiteTypes.status * UriManager.uri list
405 type 'a eval_command =
407 disambiguate_command:
408 (GrafiteTypes.status -> (('term,'obj) GrafiteAst.command) disambiguator_input ->
409 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
410 options -> GrafiteTypes.status ->
411 (('term,'obj) GrafiteAst.command) disambiguator_input ->
412 GrafiteTypes.status * UriManager.uri list
415 type 'a eval_executable =
416 {ee_go: 'term 'lazy_term 'reduction 'obj 'ident.
418 (GrafiteTypes.status ->
419 ProofEngineTypes.goal ->
420 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
421 disambiguator_input ->
422 GrafiteTypes.status *
423 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
425 disambiguate_command:
426 (GrafiteTypes.status ->
427 (('term,'obj) GrafiteAst.command) disambiguator_input ->
428 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
431 (GrafiteTypes.status ->
432 ('term GrafiteAst.macro) disambiguator_input ->
433 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
436 GrafiteTypes.status ->
437 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.code) disambiguator_input ->
438 GrafiteTypes.status * UriManager.uri list
441 type 'a eval_from_moo =
442 { efm_go: GrafiteTypes.status -> string -> GrafiteTypes.status }
444 let coercion_moo_statement_of (uri,arity, saturations) =
445 GrafiteAst.Coercion (HExtlib.dummy_floc, uri, false, arity, saturations)
447 let refinement_toolkit = {
448 RefinementTool.type_of_aux' =
449 (fun ?localization_tbl e c t u ->
450 let saved = !CicRefine.insert_coercions in
451 CicRefine.insert_coercions:= false;
454 let t, ty, metasenv, ugraph =
455 CicRefine.type_of_aux' ?localization_tbl e c t u in
456 RefinementTool.Success (t, ty, metasenv, ugraph)
458 | CicRefine.RefineFailure s
459 | CicRefine.Uncertain s
460 | CicRefine.AssertFailure s -> RefinementTool.Exception s
462 CicRefine.insert_coercions := saved;
464 RefinementTool.ppsubst = CicMetaSubst.ppsubst;
465 RefinementTool.apply_subst = CicMetaSubst.apply_subst;
466 RefinementTool.ppmetasenv = CicMetaSubst.ppmetasenv;
467 RefinementTool.pack_coercion_obj = CicRefine.pack_coercion_obj;
470 let eval_coercion status ~add_composites uri arity saturations baseuri =
471 let status,compounds =
472 GrafiteSync.add_coercion ~add_composites refinement_toolkit status uri arity
476 List.map coercion_moo_statement_of ((uri,arity,saturations)::compounds)
478 let status = GrafiteTypes.add_moo_content moo_content status in
479 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
480 List.map (fun u,_,_ -> u) compounds
482 module MatitaStatus =
484 type input_status = GrafiteTypes.status * ProofEngineTypes.goal
487 GrafiteTypes.status * ProofEngineTypes.goal list * ProofEngineTypes.goal list
489 type tactic = input_status -> output_status
491 let mk_tactic tac = tac
492 let apply_tactic tac = tac
493 let goals (_, opened, closed) = opened, closed
494 let get_stack (status, _) = GrafiteTypes.get_stack status
496 let set_stack stack (status, opened, closed) =
497 GrafiteTypes.set_stack stack status, opened, closed
499 let inject (status, _) = (status, [], [])
500 let focus goal (status, _, _) = (status, goal)
503 module MatitaTacticals = Continuationals.Make(MatitaStatus)
505 let tactic_of_ast' tac =
506 MatitaTacticals.Tactical (MatitaTacticals.Tactic (MatitaStatus.mk_tactic tac))
508 let punctuation_tactical_of_ast (text,prefix_len,punct) =
510 | GrafiteAst.Dot _loc -> MatitaTacticals.Dot
511 | GrafiteAst.Semicolon _loc -> MatitaTacticals.Semicolon
512 | GrafiteAst.Branch _loc -> MatitaTacticals.Branch
513 | GrafiteAst.Shift _loc -> MatitaTacticals.Shift
514 | GrafiteAst.Pos (_loc, i) -> MatitaTacticals.Pos i
515 | GrafiteAst.Merge _loc -> MatitaTacticals.Merge
516 | GrafiteAst.Wildcard _loc -> MatitaTacticals.Wildcard
518 let non_punctuation_tactical_of_ast (text,prefix_len,punct) =
520 | GrafiteAst.Focus (_loc,goals) -> MatitaTacticals.Focus goals
521 | GrafiteAst.Unfocus _loc -> MatitaTacticals.Unfocus
522 | GrafiteAst.Skip _loc -> MatitaTacticals.Tactical MatitaTacticals.Skip
524 let eval_tactical status tac =
525 let status, _, _ = MatitaTacticals.eval tac (status, ~-1) in
526 let status = (* is proof completed? *)
527 match status.GrafiteTypes.proof_status with
528 | GrafiteTypes.Incomplete_proof
529 { GrafiteTypes.stack = stack; proof = proof }
530 when Continuationals.Stack.is_empty stack ->
531 { status with GrafiteTypes.proof_status = GrafiteTypes.Proof proof }
536 let eval_comment status c = status
538 (* since the record syntax allows to declare coercions, we have to put this
539 * information inside the moo *)
540 let add_coercions_of_record_to_moo obj lemmas status =
541 let attributes = CicUtil.attributes_of_obj obj in
542 let is_record = function `Class (`Record att) -> Some att | _-> None in
543 match HExtlib.list_findopt is_record attributes with
546 let is_a_coercion uri =
549 CicEnvironment.get_cooked_obj CicUniv.empty_ugraph uri in
550 let attrs = CicUtil.attributes_of_obj obj in
553 (function `Class (`Coercion _) -> true | _-> false) attrs
554 with `Class (`Coercion n) -> true,n | _ -> assert false
555 with Not_found -> false,0
556 with Not_found -> assert false
558 (* looking at the fields we can know the 'wanted' coercions, but not the
559 * actually generated ones. So, only the intersection between the wanted
560 * and the actual should be in the moo as coercion, while everithing in
561 * lemmas should go as aliases *)
562 let wanted_coercions =
565 | (name,true,arity) ->
567 (arity, UriManager.uri_of_string
568 (GrafiteTypes.qualify status name ^ ".con"))
572 (*prerr_endline "wanted coercions:";
574 (fun u -> prerr_endline (UriManager.string_of_uri u))
576 let coercions, moo_content =
580 let is_a_wanted_coercion,arity_wanted =
583 List.find (fun (n,u) -> UriManager.eq u uri)
587 with Not_found -> false, 0
589 let is_a_coercion, arity_coercion = is_a_coercion uri in
590 if is_a_coercion then
591 Some (uri, coercion_moo_statement_of (uri,arity_coercion,0))
592 else if is_a_wanted_coercion then
593 Some (uri, coercion_moo_statement_of (uri,arity_wanted,0))
598 (*prerr_endline "actual coercions:";
600 (fun u -> prerr_endline (UriManager.string_of_uri u))
602 prerr_endline "lemmas was:";
604 (fun u -> prerr_endline (UriManager.string_of_uri u))
606 let status = GrafiteTypes.add_moo_content moo_content status in
608 GrafiteTypes.coercions = coercions @ status.GrafiteTypes.coercions},
611 let add_obj uri obj status =
612 let status,lemmas = GrafiteSync.add_obj refinement_toolkit uri obj status in
615 let rec eval_command = {ec_go = fun ~disambiguate_command opts status
616 (text,prefix_len,cmd) ->
617 let status,cmd = disambiguate_command status (text,prefix_len,cmd) in
620 | GrafiteAst.Index (loc,None,uri) ->
621 assert false (* TODO: for user input *)
622 | GrafiteAst.Index (loc,Some key,uri) ->
623 let universe = Universe.index
624 status.GrafiteTypes.universe key (CicUtil.term_of_uri uri) in
625 let status = {status with GrafiteTypes.universe = universe} in
628 let candidates = Universe.get_candidates status.GrafiteTypes.universe key in
629 ("candidates for " ^ (CicPp.ppterm key) ^ " = " ^
630 (String.concat "\n" (List.map CicPp.ppterm candidates)))
634 let status = GrafiteTypes.add_moo_content [cmd] status in
636 | GrafiteAst.Coercion (loc, uri, add_composites, arity, saturations) ->
637 eval_coercion status ~add_composites uri arity saturations
638 (GrafiteTypes.get_string_option status "baseuri")
639 | GrafiteAst.Default (loc, what, uris) as cmd ->
640 LibraryObjects.set_default what uris;
641 GrafiteTypes.add_moo_content [cmd] status,[]
642 | GrafiteAst.Drop loc -> raise Drop
643 | GrafiteAst.Include (loc, baseuri) ->
644 let moopath_rw, moopath_r =
645 LibraryMisc.obj_file_of_baseuri
646 ~must_exist:false ~baseuri ~writable:true,
647 LibraryMisc.obj_file_of_baseuri
648 ~must_exist:false ~baseuri ~writable:false
651 if Sys.file_exists moopath_r then moopath_r else
652 if Sys.file_exists moopath_rw then moopath_rw else
653 raise (IncludedFileNotCompiled (moopath_rw,baseuri))
655 let status = eval_from_moo.efm_go status moopath in
657 let lt_uri = UriManager.uri_of_string "cic:/matita/nat/orders/lt.con" in
658 let nat_uri = UriManager.uri_of_string "cic:/matita/nat/nat/nat.ind" in
659 let nat = Cic.MutInd(nat_uri,0,[]) in
660 let zero = Cic.MutConstruct(nat_uri,0,1,[]) in
661 let succ = Cic.MutConstruct(nat_uri,0,2,[]) in
662 let fake= Cic.Meta(-1,[]) in
663 let term= Cic.Appl [Cic.Const (lt_uri,[]);zero;Cic.Appl[succ;zero]] in let msg =
664 let candidates = Universe.get_candidates status.GrafiteTypes.universe term in
665 ("candidates for " ^ (CicPp.ppterm term) ^ " = " ^
666 (String.concat "\n" (List.map CicPp.ppterm candidates)))
671 | GrafiteAst.Print (_,"proofterm") ->
672 let _,_,_,p,_, _ = GrafiteTypes.get_current_proof status in
673 print_endline (Auto.pp_proofterm p);
675 | GrafiteAst.Print (_,_) -> status,[]
676 | GrafiteAst.Qed loc ->
677 let uri, metasenv, _subst, bo, ty, attrs =
678 match status.GrafiteTypes.proof_status with
679 | GrafiteTypes.Proof (Some uri, metasenv, subst, body, ty, attrs) ->
680 uri, metasenv, subst, body, ty, attrs
681 | GrafiteTypes.Proof (None, metasenv, subst, body, ty, attrs) ->
682 raise (GrafiteTypes.Command_error
683 ("Someone allows to start a theorem without giving the "^
684 "name/uri. This should be fixed!"))
687 (GrafiteTypes.Command_error "You can't Qed an incomplete theorem")
689 if metasenv <> [] then
691 (GrafiteTypes.Command_error
692 "Proof not completed! metasenv is not empty!");
693 let name = UriManager.name_of_uri uri in
694 let obj = Cic.Constant (name,Some bo,ty,[],attrs) in
695 let status, lemmas = add_obj uri obj status in
697 GrafiteTypes.proof_status = GrafiteTypes.No_proof},
698 (*CSC: I throw away the arities *)
700 | GrafiteAst.Relation (loc, id, a, aeq, refl, sym, trans) ->
701 Setoids.add_relation id a aeq refl sym trans;
702 status, [] (*CSC: TO BE FIXED *)
703 | GrafiteAst.Set (loc, name, value) ->
704 if name = "baseuri" then begin
706 let v = Http_getter_misc.strip_trailing_slash value in
708 ignore (String.index v ' ');
709 GrafiteTypes.command_error "baseuri can't contain spaces"
712 if Http_getter_storage.is_read_only value then begin
713 HLog.error (Printf.sprintf "uri %s belongs to a read-only repository" value);
714 raise (ReadOnlyUri value)
716 if (not (Http_getter_storage.is_empty ~local:true value) ||
717 LibraryClean.db_uris_of_baseuri value <> [])
718 && opts.clean_baseuri
720 HLog.message ("baseuri " ^ value ^ " is not empty");
721 HLog.message ("cleaning baseuri " ^ value);
722 LibraryClean.clean_baseuris [value];
723 assert (Http_getter_storage.is_empty ~local:true value);
725 if not (Helm_registry.get_opt_default Helm_registry.bool "matita.nodisk"
730 (Http_getter.filename ~local:true ~writable:true (value ^
733 GrafiteTypes.set_option status name value,[]
734 | GrafiteAst.Obj (loc,obj) ->
737 Cic.Constant (name,_,_,_,_)
738 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
739 | Cic.InductiveDefinition (types,_,_,_) ->
741 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
742 | _ -> assert false in
744 UriManager.uri_of_string (GrafiteTypes.qualify status name ^ ext) in
745 let obj = CicRefine.pack_coercion_obj obj in
746 let metasenv = GrafiteTypes.get_proof_metasenv status in
748 | Cic.CurrentProof (_,metasenv',bo,ty,_, attrs) ->
749 let name = UriManager.name_of_uri uri in
750 if not(CicPp.check name ty) then
751 HLog.warn ("Bad name: " ^ name);
752 if opts.do_heavy_checks then
754 let dbd = LibraryDb.instance () in
755 let similar = Whelp.match_term ~dbd ty in
756 let similar_len = List.length similar in
757 if similar_len> 30 then
759 ("Duplicate check will compare your theorem with " ^
760 string_of_int similar_len ^
761 " theorems, this may take a while."));
765 let t = CicUtil.term_of_uri u in
767 CicTypeChecker.type_of_aux'
768 metasenv' [] t CicUniv.empty_ugraph
770 fst(CicReduction.are_convertible [] ty' ty g))
773 (match convertible with
777 ("Theorem already proved: " ^ UriManager.string_of_uri x ^
778 "\nPlease use a variant."));
781 let initial_proof = (Some uri, metasenv', _subst, bo, ty, attrs) in
782 let initial_stack = Continuationals.Stack.of_metasenv metasenv' in
783 { status with GrafiteTypes.proof_status =
784 GrafiteTypes.Incomplete_proof
785 { GrafiteTypes.proof = initial_proof; stack = initial_stack } },
788 if metasenv <> [] then
789 raise (GrafiteTypes.Command_error (
790 "metasenv not empty while giving a definition with body: " ^
791 CicMetaSubst.ppmetasenv [] metasenv));
792 let status, lemmas = add_obj uri obj status in
793 let status,new_lemmas =
794 add_coercions_of_record_to_moo obj lemmas status
796 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
797 uri::new_lemmas@lemmas
799 match status.GrafiteTypes.proof_status with
800 GrafiteTypes.Intermediate _ ->
801 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},uris
804 } and eval_executable = {ee_go = fun ~disambiguate_tactic ~disambiguate_command
805 ~disambiguate_macro opts status (text,prefix_len,ex) ->
807 | GrafiteAst.Tactic (_, Some tac, punct) ->
808 let tac = apply_tactic ~disambiguate_tactic (text,prefix_len,tac) in
809 let status = eval_tactical status (tactic_of_ast' tac) in
811 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
812 | GrafiteAst.Tactic (_, None, punct) ->
814 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
815 | GrafiteAst.NonPunctuationTactical (_, tac, punct) ->
818 (non_punctuation_tactical_of_ast (text,prefix_len,tac))
821 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
822 | GrafiteAst.Command (_, cmd) ->
823 eval_command.ec_go ~disambiguate_command opts status (text,prefix_len,cmd)
824 | GrafiteAst.Macro (loc, macro) ->
825 raise (Macro (loc,disambiguate_macro status (text,prefix_len,macro)))
827 } and eval_from_moo = {efm_go = fun status fname ->
829 ("",0,GrafiteAst.Executable (HExtlib.dummy_floc,
830 GrafiteAst.Command (HExtlib.dummy_floc,
833 let moo = GrafiteMarshal.load_moo fname in
836 let ast = ast_of_cmd ast in
839 ~disambiguate_tactic:(fun status _ (_,_,tactic) -> status,tactic)
840 ~disambiguate_command:(fun status (_,_,cmd) -> status,cmd)
841 ~disambiguate_macro:(fun _ _ -> assert false)
847 } and eval_ast = {ea_go = fun ~disambiguate_tactic ~disambiguate_command
848 ~disambiguate_macro ?(do_heavy_checks=false) ?(clean_baseuri=true) status
852 do_heavy_checks = do_heavy_checks ;
853 clean_baseuri = clean_baseuri }
856 | GrafiteAst.Executable (_,ex) ->
857 eval_executable.ee_go ~disambiguate_tactic ~disambiguate_command
858 ~disambiguate_macro opts status (text,prefix_len,ex)
859 | GrafiteAst.Comment (_,c) -> eval_comment status (text,prefix_len,c),[]
862 let eval_ast = eval_ast.ea_go