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 (_,xterm) -> Tactics.destruct xterm
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.Symmetry _ -> Tactics.symmetry
164 | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
165 (* Implementazioni Aggiunte *)
166 | GrafiteAst.Assume (_, id, t) -> Declarative.assume id t
167 | GrafiteAst.Suppose (_, t, id, t1) -> Declarative.suppose t id t1
168 | GrafiteAst.By_term_we_proved (_, t, ty, id, t1) ->
169 Declarative.by_term_we_proved ~dbd:(LibraryDb.instance())
170 ~universe:status.GrafiteTypes.universe t ty id t1
171 | GrafiteAst.We_need_to_prove (_, t, id, t2) ->
172 Declarative.we_need_to_prove t id t2
173 | GrafiteAst.Bydone (_, t) ->
174 Declarative.bydone ~dbd:(LibraryDb.instance())
175 ~universe:status.GrafiteTypes.universe t
176 | GrafiteAst.We_proceed_by_cases_on (_, t, t1) ->
177 Declarative.we_proceed_by_cases_on t t1
178 | GrafiteAst.We_proceed_by_induction_on (_, t, t1) ->
179 Declarative.we_proceed_by_induction_on t t1
180 | GrafiteAst.Byinduction (_, t, id) -> Declarative.byinduction t id
181 | GrafiteAst.Thesisbecomes (_, t) -> Declarative.thesisbecomes t
182 | GrafiteAst.ExistsElim (_, t, id1, t1, id2, t2) ->
183 Declarative.existselim ~dbd:(LibraryDb.instance())
184 ~universe:status.GrafiteTypes.universe t id1 t1 id2 t2
185 | GrafiteAst.Case (_,id,params) -> Declarative.case id params
186 | GrafiteAst.AndElim(_,t,id1,t1,id2,t2) -> Declarative.andelim t id1 t1 id2 t2
187 | GrafiteAst.RewritingStep (_,termine,t1,t2,cont) ->
188 Declarative.rewritingstep ~dbd:(LibraryDb.instance ())
189 ~universe:status.GrafiteTypes.universe termine t1 t2 cont
191 let classify_tactic tactic =
193 (* tactics that can't close the goal (return a goal we want to "select") *)
194 | GrafiteAst.Rewrite _
196 | GrafiteAst.Replace _
197 | GrafiteAst.Reduce _
199 | GrafiteAst.Generalize _
202 | GrafiteAst.Decompose _ -> true
203 (* tactics like apply *)
206 let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
207 let module PEH = ProofEngineHelpers in
208 (* let print_m name metasenv =
209 prerr_endline (">>>>> " ^ name);
210 prerr_endline (CicMetaSubst.ppmetasenv [] metasenv)
212 (* phase one calculates:
213 * new_goals_from_refine: goals added by refine
214 * head_goal: the first goal opened by ythe tactic
215 * other_goals: other goals opened by the tactic
217 let new_goals_from_refine = PEH.compare_metasenvs start refine in
218 let new_goals_from_tactic = PEH.compare_metasenvs refine tactic in
219 let head_goal, other_goals, goals =
221 | [] -> None,[],goals
223 (* assert (List.mem hd new_goals_from_tactic);
224 * invalidato dalla goal_tac
226 Some hd, List.filter ((<>) hd) new_goals_from_tactic, List.filter ((<>)
231 | None -> new_goals_from_refine @ other_goals
232 | Some x -> x :: new_goals_from_refine @ other_goals
234 (* extract the metas generated by refine and tactic *)
235 let metas_for_tactic_head =
238 | Some head_goal -> List.filter (fun (n,_,_) -> n = head_goal) tactic in
239 let metas_for_tactic_goals =
241 (fun x -> List.find (fun (metano,_,_) -> metano = x) tactic)
244 let metas_for_refine_goals =
245 List.filter (fun (n,_,_) -> List.mem n new_goals_from_refine) tactic in
246 let produced_metas, goals =
248 if always_opens_a_goal then
249 metas_for_tactic_head @ metas_for_refine_goals @
250 metas_for_tactic_goals
252 (* print_m "metas_for_refine_goals" metas_for_refine_goals;
253 print_m "metas_for_tactic_head" metas_for_tactic_head;
254 print_m "metas_for_tactic_goals" metas_for_tactic_goals; *)
255 metas_for_refine_goals @ metas_for_tactic_head @
256 metas_for_tactic_goals
259 let goals = List.map (fun (metano, _, _) -> metano) produced_metas in
260 produced_metas, goals
262 (* residual metas, preserving the original order *)
267 | (metano, _, _) :: tl when metano = e ->
268 [], List.map (fun (x,_,_) -> x) tl
269 | (metano, _, _) :: tl -> let b, a = split e tl in metano :: b, a
271 let find n metasenv =
273 Some (List.find (fun (metano, _, _) -> metano = n) metasenv)
274 with Not_found -> None
279 match find n tactic with
283 let before_l, after_l = split current_goal start in
285 List.filter (fun x -> not (List.mem x produced_goals)) before_l in
287 List.filter (fun x -> not (List.mem x produced_goals)) after_l in
288 let before = extract before_l in
289 let after = extract after_l in
293 print_m "BEGIN" start;
294 prerr_endline ("goal was: " ^ string_of_int current_goal);
295 prerr_endline ("and metas from refine are:");
297 (fun t -> prerr_string (" " ^ string_of_int t))
298 new_goals_from_refine;
300 print_m "before" before;
301 print_m "metas_for_tactic_head" metas_for_tactic_head;
302 print_m "metas_for_refine_goals" metas_for_refine_goals;
303 print_m "metas_for_tactic_goals" metas_for_tactic_goals;
304 print_m "produced_metas" produced_metas;
305 print_m "after" after;
306 |+ FINE DEBUG CODE +| *)
307 before @ produced_metas @ after, goals
309 let apply_tactic ~disambiguate_tactic (text,prefix_len,tactic) (status, goal) =
310 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
311 let before = List.map (fun g, _, _ -> g) starting_metasenv in
312 let status, tactic = disambiguate_tactic status goal (text,prefix_len,tactic) in
313 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
314 let proof = GrafiteTypes.get_current_proof status in
315 let proof_status = proof, goal in
316 let always_opens_a_goal = classify_tactic tactic in
317 let tactic = tactic_of_ast status tactic in
318 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
319 let after = ProofEngineTypes.goals_of_proof proof in
320 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
321 let proof, opened_goals =
322 let uri, metasenv_after_tactic, _subst, t, ty, attrs = proof in
323 let reordered_metasenv, opened_goals =
326 metasenv_after_refinement metasenv_after_tactic
327 opened goal always_opens_a_goal
329 let proof' = uri, reordered_metasenv, _subst, t, ty, attrs in
332 let incomplete_proof =
333 match status.GrafiteTypes.proof_status with
334 | GrafiteTypes.Incomplete_proof p -> p
337 { status with GrafiteTypes.proof_status =
338 GrafiteTypes.Incomplete_proof
339 { incomplete_proof with GrafiteTypes.proof = proof } },
340 opened_goals, closed_goals
342 let apply_atomic_tactical ~disambiguate_tactic ~patch (text,prefix_len,tactic) (status, goal) =
343 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
344 let before = List.map (fun g, _, _ -> g) starting_metasenv in
345 let status, tactic = disambiguate_tactic status goal (text,prefix_len,tactic) in
346 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
347 let proof = GrafiteTypes.get_current_proof status in
348 let proof_status = proof, goal in
349 let always_opens_a_goal = classify_tactic tactic in
350 let tactic = tactic_of_ast status tactic in
351 let tactic = patch tactic in
352 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
353 let after = ProofEngineTypes.goals_of_proof proof in
354 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
355 let proof, opened_goals =
356 let uri, metasenv_after_tactic, _subst, t, ty, attrs = proof in
357 let reordered_metasenv, opened_goals =
360 metasenv_after_refinement metasenv_after_tactic
361 opened goal always_opens_a_goal
363 let proof' = uri, reordered_metasenv, _subst, t, ty, attrs in
366 let incomplete_proof =
367 match status.GrafiteTypes.proof_status with
368 | GrafiteTypes.Incomplete_proof p -> p
371 { status with GrafiteTypes.proof_status =
372 GrafiteTypes.Incomplete_proof
373 { incomplete_proof with GrafiteTypes.proof = proof } },
374 opened_goals, closed_goals
377 'term 'lazy_term 'reduction 'obj 'ident.
379 (GrafiteTypes.status ->
380 ProofEngineTypes.goal ->
381 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
382 disambiguator_input ->
383 GrafiteTypes.status *
384 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
386 disambiguate_command:
387 (GrafiteTypes.status ->
388 (('term,'obj) GrafiteAst.command) disambiguator_input ->
389 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
392 (GrafiteTypes.status ->
393 ('term GrafiteAst.macro) disambiguator_input ->
394 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
396 ?do_heavy_checks:bool ->
397 ?clean_baseuri:bool ->
398 GrafiteTypes.status ->
399 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.statement)
400 disambiguator_input ->
401 GrafiteTypes.status * UriManager.uri list
404 type 'a eval_command =
406 disambiguate_command:
407 (GrafiteTypes.status -> (('term,'obj) GrafiteAst.command) disambiguator_input ->
408 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
409 options -> GrafiteTypes.status ->
410 (('term,'obj) GrafiteAst.command) disambiguator_input ->
411 GrafiteTypes.status * UriManager.uri list
414 type 'a eval_executable =
415 {ee_go: 'term 'lazy_term 'reduction 'obj 'ident.
417 (GrafiteTypes.status ->
418 ProofEngineTypes.goal ->
419 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
420 disambiguator_input ->
421 GrafiteTypes.status *
422 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
424 disambiguate_command:
425 (GrafiteTypes.status ->
426 (('term,'obj) GrafiteAst.command) disambiguator_input ->
427 GrafiteTypes.status * (Cic.term,Cic.obj) GrafiteAst.command) ->
430 (GrafiteTypes.status ->
431 ('term GrafiteAst.macro) disambiguator_input ->
432 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
435 GrafiteTypes.status ->
436 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.code) disambiguator_input ->
437 GrafiteTypes.status * UriManager.uri list
440 type 'a eval_from_moo =
441 { efm_go: GrafiteTypes.status -> string -> GrafiteTypes.status }
443 let coercion_moo_statement_of (uri,arity, saturations) =
444 GrafiteAst.Coercion (HExtlib.dummy_floc, uri, false, arity, saturations)
446 let refinement_toolkit = {
447 RefinementTool.type_of_aux' =
448 (fun ?localization_tbl e c t u ->
449 let saved = !CicRefine.insert_coercions in
450 CicRefine.insert_coercions:= false;
453 let t, ty, metasenv, ugraph =
454 CicRefine.type_of_aux' ?localization_tbl e c t u in
455 RefinementTool.Success (t, ty, metasenv, ugraph)
457 | CicRefine.RefineFailure s
458 | CicRefine.Uncertain s
459 | CicRefine.AssertFailure s -> RefinementTool.Exception s
461 CicRefine.insert_coercions := saved;
463 RefinementTool.ppsubst = CicMetaSubst.ppsubst;
464 RefinementTool.apply_subst = CicMetaSubst.apply_subst;
465 RefinementTool.ppmetasenv = CicMetaSubst.ppmetasenv;
466 RefinementTool.pack_coercion_obj = CicRefine.pack_coercion_obj;
469 let eval_coercion status ~add_composites uri arity saturations baseuri =
470 let status,compounds =
471 GrafiteSync.add_coercion ~add_composites refinement_toolkit status uri arity
475 List.map coercion_moo_statement_of ((uri,arity,saturations)::compounds)
477 let status = GrafiteTypes.add_moo_content moo_content status in
478 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
479 List.map (fun u,_,_ -> u) compounds
481 module MatitaStatus =
483 type input_status = GrafiteTypes.status * ProofEngineTypes.goal
486 GrafiteTypes.status * ProofEngineTypes.goal list * ProofEngineTypes.goal list
488 type tactic = input_status -> output_status
490 let mk_tactic tac = tac
491 let apply_tactic tac = tac
492 let goals (_, opened, closed) = opened, closed
493 let get_stack (status, _) = GrafiteTypes.get_stack status
495 let set_stack stack (status, opened, closed) =
496 GrafiteTypes.set_stack stack status, opened, closed
498 let inject (status, _) = (status, [], [])
499 let focus goal (status, _, _) = (status, goal)
502 module MatitaTacticals = Continuationals.Make(MatitaStatus)
504 let tactic_of_ast' tac =
505 MatitaTacticals.Tactical (MatitaTacticals.Tactic (MatitaStatus.mk_tactic tac))
507 let punctuation_tactical_of_ast (text,prefix_len,punct) =
509 | GrafiteAst.Dot _loc -> MatitaTacticals.Dot
510 | GrafiteAst.Semicolon _loc -> MatitaTacticals.Semicolon
511 | GrafiteAst.Branch _loc -> MatitaTacticals.Branch
512 | GrafiteAst.Shift _loc -> MatitaTacticals.Shift
513 | GrafiteAst.Pos (_loc, i) -> MatitaTacticals.Pos i
514 | GrafiteAst.Merge _loc -> MatitaTacticals.Merge
515 | GrafiteAst.Wildcard _loc -> MatitaTacticals.Wildcard
517 let non_punctuation_tactical_of_ast (text,prefix_len,punct) =
519 | GrafiteAst.Focus (_loc,goals) -> MatitaTacticals.Focus goals
520 | GrafiteAst.Unfocus _loc -> MatitaTacticals.Unfocus
521 | GrafiteAst.Skip _loc -> MatitaTacticals.Tactical MatitaTacticals.Skip
523 let eval_tactical status tac =
524 let status, _, _ = MatitaTacticals.eval tac (status, ~-1) in
525 let status = (* is proof completed? *)
526 match status.GrafiteTypes.proof_status with
527 | GrafiteTypes.Incomplete_proof
528 { GrafiteTypes.stack = stack; proof = proof }
529 when Continuationals.Stack.is_empty stack ->
530 { status with GrafiteTypes.proof_status = GrafiteTypes.Proof proof }
535 let eval_comment status c = status
537 (* since the record syntax allows to declare coercions, we have to put this
538 * information inside the moo *)
539 let add_coercions_of_record_to_moo obj lemmas status =
540 let attributes = CicUtil.attributes_of_obj obj in
541 let is_record = function `Class (`Record att) -> Some att | _-> None in
542 match HExtlib.list_findopt is_record attributes with
545 let is_a_coercion uri =
548 CicEnvironment.get_cooked_obj CicUniv.empty_ugraph uri in
549 let attrs = CicUtil.attributes_of_obj obj in
552 (function `Class (`Coercion _) -> true | _-> false) attrs
553 with `Class (`Coercion n) -> true,n | _ -> assert false
554 with Not_found -> false,0
555 with Not_found -> assert false
557 (* looking at the fields we can know the 'wanted' coercions, but not the
558 * actually generated ones. So, only the intersection between the wanted
559 * and the actual should be in the moo as coercion, while everithing in
560 * lemmas should go as aliases *)
561 let wanted_coercions =
564 | (name,true,arity) ->
566 (arity, UriManager.uri_of_string
567 (GrafiteTypes.qualify status name ^ ".con"))
571 (*prerr_endline "wanted coercions:";
573 (fun u -> prerr_endline (UriManager.string_of_uri u))
575 let coercions, moo_content =
579 let is_a_wanted_coercion,arity_wanted =
582 List.find (fun (n,u) -> UriManager.eq u uri)
586 with Not_found -> false, 0
588 let is_a_coercion, arity_coercion = is_a_coercion uri in
589 if is_a_coercion then
590 Some (uri, coercion_moo_statement_of (uri,arity_coercion,0))
591 else if is_a_wanted_coercion then
592 Some (uri, coercion_moo_statement_of (uri,arity_wanted,0))
597 (*prerr_endline "actual coercions:";
599 (fun u -> prerr_endline (UriManager.string_of_uri u))
601 prerr_endline "lemmas was:";
603 (fun u -> prerr_endline (UriManager.string_of_uri u))
605 let status = GrafiteTypes.add_moo_content moo_content status in
607 GrafiteTypes.coercions = coercions @ status.GrafiteTypes.coercions},
610 let add_obj uri obj status =
611 let status,lemmas = GrafiteSync.add_obj refinement_toolkit uri obj status in
614 let rec eval_command = {ec_go = fun ~disambiguate_command opts status
615 (text,prefix_len,cmd) ->
616 let status,cmd = disambiguate_command status (text,prefix_len,cmd) in
619 | GrafiteAst.Index (loc,None,uri) ->
620 assert false (* TODO: for user input *)
621 | GrafiteAst.Index (loc,Some key,uri) ->
622 let universe = Universe.index
623 status.GrafiteTypes.universe key (CicUtil.term_of_uri uri) in
624 let status = {status with GrafiteTypes.universe = universe} in
627 let candidates = Universe.get_candidates status.GrafiteTypes.universe key in
628 ("candidates for " ^ (CicPp.ppterm key) ^ " = " ^
629 (String.concat "\n" (List.map CicPp.ppterm candidates)))
633 let status = GrafiteTypes.add_moo_content [cmd] status in
635 | GrafiteAst.Coercion (loc, uri, add_composites, arity, saturations) ->
636 eval_coercion status ~add_composites uri arity saturations
637 (GrafiteTypes.get_string_option status "baseuri")
638 | GrafiteAst.Default (loc, what, uris) as cmd ->
639 LibraryObjects.set_default what uris;
640 GrafiteTypes.add_moo_content [cmd] status,[]
641 | GrafiteAst.Drop loc -> raise Drop
642 | GrafiteAst.Include (loc, baseuri) ->
643 let moopath_rw, moopath_r =
644 LibraryMisc.obj_file_of_baseuri
645 ~must_exist:false ~baseuri ~writable:true,
646 LibraryMisc.obj_file_of_baseuri
647 ~must_exist:false ~baseuri ~writable:false
650 if Sys.file_exists moopath_r then moopath_r else
651 if Sys.file_exists moopath_rw then moopath_rw else
652 raise (IncludedFileNotCompiled (moopath_rw,baseuri))
654 let status = eval_from_moo.efm_go status moopath in
656 let lt_uri = UriManager.uri_of_string "cic:/matita/nat/orders/lt.con" in
657 let nat_uri = UriManager.uri_of_string "cic:/matita/nat/nat/nat.ind" in
658 let nat = Cic.MutInd(nat_uri,0,[]) in
659 let zero = Cic.MutConstruct(nat_uri,0,1,[]) in
660 let succ = Cic.MutConstruct(nat_uri,0,2,[]) in
661 let fake= Cic.Meta(-1,[]) in
662 let term= Cic.Appl [Cic.Const (lt_uri,[]);zero;Cic.Appl[succ;zero]] in let msg =
663 let candidates = Universe.get_candidates status.GrafiteTypes.universe term in
664 ("candidates for " ^ (CicPp.ppterm term) ^ " = " ^
665 (String.concat "\n" (List.map CicPp.ppterm candidates)))
670 | GrafiteAst.Print (_,"proofterm") ->
671 let _,_,_,p,_, _ = GrafiteTypes.get_current_proof status in
672 print_endline (Auto.pp_proofterm p);
674 | GrafiteAst.Print (_,_) -> status,[]
675 | GrafiteAst.Qed loc ->
676 let uri, metasenv, _subst, bo, ty, attrs =
677 match status.GrafiteTypes.proof_status with
678 | GrafiteTypes.Proof (Some uri, metasenv, subst, body, ty, attrs) ->
679 uri, metasenv, subst, body, ty, attrs
680 | GrafiteTypes.Proof (None, metasenv, subst, body, ty, attrs) ->
681 raise (GrafiteTypes.Command_error
682 ("Someone allows to start a theorem without giving the "^
683 "name/uri. This should be fixed!"))
686 (GrafiteTypes.Command_error "You can't Qed an incomplete theorem")
688 if metasenv <> [] then
690 (GrafiteTypes.Command_error
691 "Proof not completed! metasenv is not empty!");
692 let name = UriManager.name_of_uri uri in
693 let obj = Cic.Constant (name,Some bo,ty,[],attrs) in
694 let status, lemmas = add_obj uri obj status in
696 GrafiteTypes.proof_status = GrafiteTypes.No_proof},
697 (*CSC: I throw away the arities *)
699 | GrafiteAst.Relation (loc, id, a, aeq, refl, sym, trans) ->
700 Setoids.add_relation id a aeq refl sym trans;
701 status, [] (*CSC: TO BE FIXED *)
702 | GrafiteAst.Set (loc, name, value) ->
703 if name = "baseuri" then begin
705 let v = Http_getter_misc.strip_trailing_slash value in
707 ignore (String.index v ' ');
708 GrafiteTypes.command_error "baseuri can't contain spaces"
711 if Http_getter_storage.is_read_only value then begin
712 HLog.error (Printf.sprintf "uri %s belongs to a read-only repository" value);
713 raise (ReadOnlyUri value)
715 if (not (Http_getter_storage.is_empty ~local:true value) ||
716 LibraryClean.db_uris_of_baseuri value <> [])
717 && opts.clean_baseuri
719 HLog.message ("baseuri " ^ value ^ " is not empty");
720 HLog.message ("cleaning baseuri " ^ value);
721 LibraryClean.clean_baseuris [value];
722 assert (Http_getter_storage.is_empty ~local:true value);
724 if not (Helm_registry.get_opt_default Helm_registry.bool "matita.nodisk"
729 (Http_getter.filename ~local:true ~writable:true (value ^
732 GrafiteTypes.set_option status name value,[]
733 | GrafiteAst.Obj (loc,obj) ->
736 Cic.Constant (name,_,_,_,_)
737 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
738 | Cic.InductiveDefinition (types,_,_,_) ->
740 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
741 | _ -> assert false in
743 UriManager.uri_of_string (GrafiteTypes.qualify status name ^ ext) in
744 let obj = CicRefine.pack_coercion_obj obj in
745 let metasenv = GrafiteTypes.get_proof_metasenv status in
747 | Cic.CurrentProof (_,metasenv',bo,ty,_, attrs) ->
748 let name = UriManager.name_of_uri uri in
749 if not(CicPp.check name ty) then
750 HLog.warn ("Bad name: " ^ name);
751 if opts.do_heavy_checks then
753 let dbd = LibraryDb.instance () in
754 let similar = Whelp.match_term ~dbd ty in
755 let similar_len = List.length similar in
756 if similar_len> 30 then
758 ("Duplicate check will compare your theorem with " ^
759 string_of_int similar_len ^
760 " theorems, this may take a while."));
764 let t = CicUtil.term_of_uri u in
766 CicTypeChecker.type_of_aux'
767 metasenv' [] t CicUniv.empty_ugraph
769 fst(CicReduction.are_convertible [] ty' ty g))
772 (match convertible with
776 ("Theorem already proved: " ^ UriManager.string_of_uri x ^
777 "\nPlease use a variant."));
780 let initial_proof = (Some uri, metasenv', _subst, bo, ty, attrs) in
781 let initial_stack = Continuationals.Stack.of_metasenv metasenv' in
782 { status with GrafiteTypes.proof_status =
783 GrafiteTypes.Incomplete_proof
784 { GrafiteTypes.proof = initial_proof; stack = initial_stack } },
787 if metasenv <> [] then
788 raise (GrafiteTypes.Command_error (
789 "metasenv not empty while giving a definition with body: " ^
790 CicMetaSubst.ppmetasenv [] metasenv));
791 let status, lemmas = add_obj uri obj status in
792 let status,new_lemmas =
793 add_coercions_of_record_to_moo obj lemmas status
795 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
796 uri::new_lemmas@lemmas
798 match status.GrafiteTypes.proof_status with
799 GrafiteTypes.Intermediate _ ->
800 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},uris
803 } and eval_executable = {ee_go = fun ~disambiguate_tactic ~disambiguate_command
804 ~disambiguate_macro opts status (text,prefix_len,ex) ->
806 | GrafiteAst.Tactic (_, Some tac, punct) ->
807 let tac = apply_tactic ~disambiguate_tactic (text,prefix_len,tac) in
808 let status = eval_tactical status (tactic_of_ast' tac) in
810 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
811 | GrafiteAst.Tactic (_, None, punct) ->
813 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
814 | GrafiteAst.NonPunctuationTactical (_, tac, punct) ->
817 (non_punctuation_tactical_of_ast (text,prefix_len,tac))
820 (punctuation_tactical_of_ast (text,prefix_len,punct)),[]
821 | GrafiteAst.Command (_, cmd) ->
822 eval_command.ec_go ~disambiguate_command opts status (text,prefix_len,cmd)
823 | GrafiteAst.Macro (loc, macro) ->
824 raise (Macro (loc,disambiguate_macro status (text,prefix_len,macro)))
826 } and eval_from_moo = {efm_go = fun status fname ->
828 ("",0,GrafiteAst.Executable (HExtlib.dummy_floc,
829 GrafiteAst.Command (HExtlib.dummy_floc,
832 let moo = GrafiteMarshal.load_moo fname in
835 let ast = ast_of_cmd ast in
838 ~disambiguate_tactic:(fun status _ (_,_,tactic) -> status,tactic)
839 ~disambiguate_command:(fun status (_,_,cmd) -> status,cmd)
840 ~disambiguate_macro:(fun _ _ -> assert false)
846 } and eval_ast = {ea_go = fun ~disambiguate_tactic ~disambiguate_command
847 ~disambiguate_macro ?(do_heavy_checks=false) ?(clean_baseuri=true) status
851 do_heavy_checks = do_heavy_checks ;
852 clean_baseuri = clean_baseuri }
855 | GrafiteAst.Executable (_,ex) ->
856 eval_executable.ee_go ~disambiguate_tactic ~disambiguate_command
857 ~disambiguate_macro opts status (text,prefix_len,ex)
858 | GrafiteAst.Comment (_,c) -> eval_comment status (text,prefix_len,c),[]
861 let eval_ast = eval_ast.ea_go