1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
31 exception IncludedFileNotCompiled of string (* file name *)
34 (Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro)
35 exception ReadOnlyUri of string
38 do_heavy_checks: bool ;
42 (** create a ProofEngineTypes.mk_fresh_name_type function which uses given
43 * names as long as they are available, then it fallbacks to name generation
44 * using FreshNamesGenerator module *)
46 let len = List.length names in
48 fun metasenv context name ~typ ->
49 if !count < len then begin
50 let name = Cic.Name (List.nth names !count) in
54 FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
56 let tactic_of_ast ast =
57 let module PET = ProofEngineTypes in
59 | GrafiteAst.Absurd (_, term) -> Tactics.absurd term
60 | GrafiteAst.Apply (_, term) -> Tactics.apply term
61 | GrafiteAst.Assumption _ -> Tactics.assumption
62 | GrafiteAst.Auto (_,depth,width,paramodulation,full) ->
63 AutoTactic.auto_tac ?depth ?width ?paramodulation ?full
64 ~dbd:(LibraryDb.instance ()) ()
65 | GrafiteAst.Change (_, pattern, with_what) ->
66 Tactics.change ~pattern with_what
67 | GrafiteAst.Clear (_,id) -> Tactics.clear id
68 | GrafiteAst.ClearBody (_,id) -> Tactics.clearbody id
69 | GrafiteAst.Contradiction _ -> Tactics.contradiction
70 | GrafiteAst.Constructor (_, n) -> Tactics.constructor n
71 | GrafiteAst.Cut (_, ident, term) ->
72 let names = match ident with None -> [] | Some id -> [id] in
73 Tactics.cut ~mk_fresh_name_callback:(namer_of names) term
74 | GrafiteAst.Decompose (_, types, what, names) ->
75 let to_type = function
76 | GrafiteAst.Type (uri, typeno) -> uri, typeno
77 | GrafiteAst.Ident _ -> assert false
79 let user_types = List.rev_map to_type types in
80 let dbd = LibraryDb.instance () in
81 let mk_fresh_name_callback = namer_of names in
82 Tactics.decompose ~mk_fresh_name_callback ~dbd ~user_types what
83 | GrafiteAst.Discriminate (_,term) -> Tactics.discriminate term
84 | GrafiteAst.Elim (_, what, using, depth, names) ->
85 Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(namer_of names)
87 | GrafiteAst.ElimType (_, what, using, depth, names) ->
88 Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(namer_of names)
90 | GrafiteAst.Exact (_, term) -> Tactics.exact term
91 | GrafiteAst.Exists _ -> Tactics.exists
92 | GrafiteAst.Fail _ -> Tactics.fail
93 | GrafiteAst.Fold (_, reduction_kind, term, pattern) ->
95 match reduction_kind with
97 GrafiteTypes.command_error "demodulation can't be folded"
99 PET.const_lazy_reduction
100 (CicReduction.normalize ~delta:false ~subst:[])
101 | `Reduce -> PET.const_lazy_reduction ProofEngineReduction.reduce
102 | `Simpl -> PET.const_lazy_reduction ProofEngineReduction.simpl
104 PET.const_lazy_reduction (ProofEngineReduction.unfold ?what:None)
105 | `Unfold (Some lazy_term) ->
106 (fun context metasenv ugraph ->
107 let what, metasenv, ugraph = lazy_term context metasenv ugraph in
108 ProofEngineReduction.unfold ~what, metasenv, ugraph)
110 PET.const_lazy_reduction (CicReduction.whd ~delta:false ~subst:[])
112 Tactics.fold ~reduction ~term ~pattern
113 | GrafiteAst.Fourier _ -> Tactics.fourier
114 | GrafiteAst.FwdSimpl (_, hyp, names) ->
115 Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names)
116 ~dbd:(LibraryDb.instance ()) hyp
117 | GrafiteAst.Generalize (_,pattern,ident) ->
118 let names = match ident with None -> [] | Some id -> [id] in
119 Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
120 | GrafiteAst.Goal (_, n) -> Tactics.set_goal n
121 | GrafiteAst.IdTac _ -> Tactics.id
122 | GrafiteAst.Injection (_,term) -> Tactics.injection term
123 | GrafiteAst.Intros (_, None, names) ->
124 PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
125 | GrafiteAst.Intros (_, Some num, names) ->
126 PrimitiveTactics.intros_tac ~howmany:num
127 ~mk_fresh_name_callback:(namer_of names) ()
128 | GrafiteAst.Inversion (_, term) ->
129 Tactics.inversion term
130 | GrafiteAst.LApply (_, how_many, to_what, what, ident) ->
131 let names = match ident with None -> [] | Some id -> [id] in
132 Tactics.lapply ~mk_fresh_name_callback:(namer_of names) ?how_many
134 | GrafiteAst.Left _ -> Tactics.left
135 | GrafiteAst.LetIn (loc,term,name) ->
136 Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
137 | GrafiteAst.Reduce (_, reduction_kind, pattern) ->
138 (match reduction_kind with
139 | `Demodulate -> Tactics.demodulate ~dbd:(LibraryDb.instance ()) ~pattern
140 | `Normalize -> Tactics.normalize ~pattern
141 | `Reduce -> Tactics.reduce ~pattern
142 | `Simpl -> Tactics.simpl ~pattern
143 | `Unfold what -> Tactics.unfold ~pattern what
144 | `Whd -> Tactics.whd ~pattern)
145 | GrafiteAst.Reflexivity _ -> Tactics.reflexivity
146 | GrafiteAst.Replace (_, pattern, with_what) ->
147 Tactics.replace ~pattern ~with_what
148 | GrafiteAst.Rewrite (_, direction, t, pattern) ->
149 EqualityTactics.rewrite_tac ~direction ~pattern t
150 | GrafiteAst.Right _ -> Tactics.right
151 | GrafiteAst.Ring _ -> Tactics.ring
152 | GrafiteAst.Split _ -> Tactics.split
153 | GrafiteAst.Symmetry _ -> Tactics.symmetry
154 | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
156 (* maybe we only need special cases for apply and goal *)
157 let classify_tactic tactic =
159 (* tactics that can't close the goal (return a goal we want to "select") *)
160 | GrafiteAst.Rewrite _
162 | GrafiteAst.Replace _
163 | GrafiteAst.Reduce _
164 | GrafiteAst.Injection _
166 | GrafiteAst.Generalize _
169 | GrafiteAst.Decompose _ -> true, true
170 (* tactics we don't want to reorder goals. I think only Goal needs this. *)
171 | GrafiteAst.Goal _ -> false, true
172 (* tactics like apply *)
175 let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
176 let module PEH = ProofEngineHelpers in
177 (* let print_m name metasenv =
178 prerr_endline (">>>>> " ^ name);
179 prerr_endline (CicMetaSubst.ppmetasenv [] metasenv)
181 (* phase one calculates:
182 * new_goals_from_refine: goals added by refine
183 * head_goal: the first goal opened by ythe tactic
184 * other_goals: other goals opened by the tactic
186 let new_goals_from_refine = PEH.compare_metasenvs start refine in
187 let new_goals_from_tactic = PEH.compare_metasenvs refine tactic in
188 let head_goal, other_goals, goals =
190 | [] -> None,[],goals
192 (* assert (List.mem hd new_goals_from_tactic);
193 * invalidato dalla goal_tac
195 Some hd, List.filter ((<>) hd) new_goals_from_tactic, List.filter ((<>)
200 | None -> new_goals_from_refine @ other_goals
201 | Some x -> x :: new_goals_from_refine @ other_goals
203 (* extract the metas generated by refine and tactic *)
204 let metas_for_tactic_head =
207 | Some head_goal -> List.filter (fun (n,_,_) -> n = head_goal) tactic in
208 let metas_for_tactic_goals =
210 (fun x -> List.find (fun (metano,_,_) -> metano = x) tactic)
213 let metas_for_refine_goals =
214 List.filter (fun (n,_,_) -> List.mem n new_goals_from_refine) tactic in
215 let produced_metas, goals =
217 if always_opens_a_goal then
218 metas_for_tactic_head @ metas_for_refine_goals @
219 metas_for_tactic_goals
221 (* print_m "metas_for_refine_goals" metas_for_refine_goals;
222 print_m "metas_for_tactic_head" metas_for_tactic_head;
223 print_m "metas_for_tactic_goals" metas_for_tactic_goals; *)
224 metas_for_refine_goals @ metas_for_tactic_head @
225 metas_for_tactic_goals
228 let goals = List.map (fun (metano, _, _) -> metano) produced_metas in
229 produced_metas, goals
231 (* residual metas, preserving the original order *)
236 | (metano, _, _) :: tl when metano = e ->
237 [], List.map (fun (x,_,_) -> x) tl
238 | (metano, _, _) :: tl -> let b, a = split e tl in metano :: b, a
240 let find n metasenv =
242 Some (List.find (fun (metano, _, _) -> metano = n) metasenv)
243 with Not_found -> None
248 match find n tactic with
252 let before_l, after_l = split current_goal start in
254 List.filter (fun x -> not (List.mem x produced_goals)) before_l in
256 List.filter (fun x -> not (List.mem x produced_goals)) after_l in
257 let before = extract before_l in
258 let after = extract after_l in
262 print_m "BEGIN" start;
263 prerr_endline ("goal was: " ^ string_of_int current_goal);
264 prerr_endline ("and metas from refine are:");
266 (fun t -> prerr_string (" " ^ string_of_int t))
267 new_goals_from_refine;
269 print_m "before" before;
270 print_m "metas_for_tactic_head" metas_for_tactic_head;
271 print_m "metas_for_refine_goals" metas_for_refine_goals;
272 print_m "metas_for_tactic_goals" metas_for_tactic_goals;
273 print_m "produced_metas" produced_metas;
274 print_m "after" after;
275 |+ FINE DEBUG CODE +| *)
276 before @ produced_metas @ after, goals
278 let apply_tactic ~disambiguate_tactic tactic (status, goal) =
279 (* prerr_endline "apply_tactic"; *)
280 (* prerr_endline (Continuationals.Stack.pp (GrafiteTypes.get_stack status)); *)
281 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
282 let before = List.map (fun g, _, _ -> g) starting_metasenv in
283 (* prerr_endline "disambiguate"; *)
284 let status, tactic = disambiguate_tactic status goal tactic in
285 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
286 let proof = GrafiteTypes.get_current_proof status in
287 let proof_status = proof, goal in
288 let needs_reordering, always_opens_a_goal = classify_tactic tactic in
289 let tactic = tactic_of_ast tactic in
290 (* apply tactic will change the lexicon_status ... *)
291 (* prerr_endline "apply_tactic bassa"; *)
292 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
293 let after = ProofEngineTypes.goals_of_proof proof in
294 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
295 (* prerr_endline("before: " ^ String.concat ", " (List.map string_of_int before));
296 prerr_endline("after: " ^ String.concat ", " (List.map string_of_int after));
297 prerr_endline("opened: " ^ String.concat ", " (List.map string_of_int opened)); *)
298 (* prerr_endline("opened_goals: " ^ String.concat ", " (List.map string_of_int opened_goals));
299 prerr_endline("closed_goals: " ^ String.concat ", " (List.map string_of_int closed_goals)); *)
300 let proof, opened_goals =
301 if needs_reordering then begin
302 let uri, metasenv_after_tactic, t, ty = proof in
303 (* prerr_endline ("goal prima del riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof))); *)
304 let reordered_metasenv, opened_goals =
307 metasenv_after_refinement metasenv_after_tactic
308 opened goal always_opens_a_goal
310 let proof' = uri, reordered_metasenv, t, ty in
311 (* prerr_endline ("goal dopo il riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof'))); *)
317 let incomplete_proof =
318 match status.GrafiteTypes.proof_status with
319 | GrafiteTypes.Incomplete_proof p -> p
322 { status with GrafiteTypes.proof_status =
323 GrafiteTypes.Incomplete_proof
324 { incomplete_proof with GrafiteTypes.proof = proof } },
325 opened_goals, closed_goals
329 'term 'lazy_term 'reduction 'obj 'ident.
331 (GrafiteTypes.status ->
332 ProofEngineTypes.goal ->
333 ('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic ->
334 GrafiteTypes.status *
335 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
337 disambiguate_command:
338 (GrafiteTypes.status ->
339 'obj GrafiteAst.command ->
340 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
343 (GrafiteTypes.status ->
344 'term GrafiteAst.macro ->
345 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
347 ?do_heavy_checks:bool ->
348 ?clean_baseuri:bool ->
349 GrafiteTypes.status ->
350 ('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.statement ->
351 GrafiteTypes.status * UriManager.uri list
354 type 'a eval_command =
356 disambiguate_command:
357 (GrafiteTypes.status ->
358 'obj GrafiteAst.command ->
359 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
360 options -> GrafiteTypes.status -> 'obj GrafiteAst.command ->
361 GrafiteTypes.status * UriManager.uri list
364 type 'a eval_executable =
365 {ee_go: 'term 'lazy_term 'reduction 'obj 'ident.
367 (GrafiteTypes.status ->
368 ProofEngineTypes.goal ->
369 ('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic ->
370 GrafiteTypes.status *
371 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
373 disambiguate_command:
374 (GrafiteTypes.status ->
375 'obj GrafiteAst.command ->
376 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
379 (GrafiteTypes.status ->
380 'term GrafiteAst.macro ->
381 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
384 GrafiteTypes.status ->
385 ('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.code ->
386 GrafiteTypes.status * UriManager.uri list
389 type 'a eval_from_moo =
390 { efm_go: GrafiteTypes.status -> string -> GrafiteTypes.status }
392 let coercion_moo_statement_of uri =
393 GrafiteAst.Coercion (HExtlib.dummy_floc, uri, false)
395 let refinement_toolkit = {
396 RefinementTool.type_of_aux' =
397 (fun ?localization_tbl e c t u ->
398 let saved = !CicRefine.insert_coercions in
399 CicRefine.insert_coercions:= false;
402 let t, ty, metasenv, ugraph =
403 CicRefine.type_of_aux' ?localization_tbl e c t u in
404 RefinementTool.Success (t, ty, metasenv, ugraph)
406 | CicRefine.RefineFailure s
407 | CicRefine.Uncertain s
408 | CicRefine.AssertFailure s -> RefinementTool.Exception s
410 CicRefine.insert_coercions := saved;
412 RefinementTool.ppsubst = CicMetaSubst.ppsubst;
413 RefinementTool.apply_subst = CicMetaSubst.apply_subst;
414 RefinementTool.ppmetasenv = CicMetaSubst.ppmetasenv;
415 RefinementTool.pack_coercion_obj = CicRefine.pack_coercion_obj;
418 let eval_coercion status ~add_composites uri =
419 let status,compounds =
420 GrafiteSync.add_coercion ~add_composites refinement_toolkit status uri in
421 let moo_content = coercion_moo_statement_of uri in
422 let status = GrafiteTypes.add_moo_content [moo_content] status in
423 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
426 let eval_tactical ~disambiguate_tactic status tac =
427 let apply_tactic = apply_tactic ~disambiguate_tactic in
428 let module MatitaStatus =
430 type input_status = GrafiteTypes.status * ProofEngineTypes.goal
433 GrafiteTypes.status * ProofEngineTypes.goal list * ProofEngineTypes.goal list
435 type tactic = input_status -> output_status
437 let id_tactic = apply_tactic (GrafiteAst.IdTac HExtlib.dummy_floc)
438 let mk_tactic tac = tac
439 let apply_tactic tac = tac
440 let goals (_, opened, closed) = opened, closed
441 let set_goals (opened, closed) (status, _, _) = (status, opened, closed)
442 let get_stack (status, _) = GrafiteTypes.get_stack status
444 let set_stack stack (status, opened, closed) =
445 GrafiteTypes.set_stack stack status, opened, closed
447 let inject (status, _) = (status, [], [])
448 let focus goal (status, _, _) = (status, goal)
451 let module MatitaTacticals = Tacticals.Make (MatitaStatus) in
452 let rec tactical_of_ast l tac =
454 | GrafiteAst.Tactic (loc, tactic) ->
455 MatitaTacticals.tactic (MatitaStatus.mk_tactic (apply_tactic tactic))
456 | GrafiteAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
458 MatitaTacticals.seq ~tactics:(List.map (tactical_of_ast (l+1)) tacticals)
459 | GrafiteAst.Do (loc, n, tactical) ->
460 MatitaTacticals.do_tactic ~n ~tactic:(tactical_of_ast (l+1) tactical)
461 | GrafiteAst.Repeat (loc, tactical) ->
462 MatitaTacticals.repeat_tactic ~tactic:(tactical_of_ast (l+1) tactical)
463 | GrafiteAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
465 MatitaTacticals.thens ~start:(tactical_of_ast (l+1) tactical)
466 ~continuations:(List.map (tactical_of_ast (l+1)) tacticals)
467 | GrafiteAst.First (loc, tacticals) ->
468 MatitaTacticals.first
469 ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
470 | GrafiteAst.Try (loc, tactical) ->
471 MatitaTacticals.try_tactic ~tactic:(tactical_of_ast (l+1) tactical)
472 | GrafiteAst.Solve (loc, tacticals) ->
473 MatitaTacticals.solve_tactics
474 ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
476 | GrafiteAst.Skip loc -> MatitaTacticals.skip
477 | GrafiteAst.Dot loc -> MatitaTacticals.dot
478 | GrafiteAst.Semicolon loc -> MatitaTacticals.semicolon
479 | GrafiteAst.Branch loc -> MatitaTacticals.branch
480 | GrafiteAst.Shift loc -> MatitaTacticals.shift
481 | GrafiteAst.Pos (loc, i) -> MatitaTacticals.pos i
482 | GrafiteAst.Merge loc -> MatitaTacticals.merge
483 | GrafiteAst.Focus (loc, goals) -> MatitaTacticals.focus goals
484 | GrafiteAst.Unfocus loc -> MatitaTacticals.unfocus
486 let status, _, _ = tactical_of_ast 0 tac (status, ~-1) in
487 let status = (* is proof completed? *)
488 match status.GrafiteTypes.proof_status with
489 | GrafiteTypes.Incomplete_proof
490 { GrafiteTypes.stack = stack; proof = proof }
491 when Continuationals.Stack.is_empty stack ->
492 { status with GrafiteTypes.proof_status = GrafiteTypes.Proof proof }
497 let eval_comment status c = status
499 (* since the record syntax allows to declare coercions, we have to put this
500 * information inside the moo *)
501 let add_coercions_of_record_to_moo obj lemmas status =
502 let attributes = CicUtil.attributes_of_obj obj in
503 let is_record = function `Class (`Record att) -> Some att | _-> None in
504 match HExtlib.list_findopt is_record attributes with
507 let is_a_coercion uri =
510 CicEnvironment.get_cooked_obj CicUniv.empty_ugraph uri in
511 let attrs = CicUtil.attributes_of_obj obj in
512 List.mem (`Class `Projection) attrs
513 with Not_found -> assert false
515 (* looking at the fields we can know the 'wanted' coercions, but not the
516 * actually generated ones. So, only the intersection between the wanted
517 * and the actual should be in the moo as coercion, while everithing in
518 * lemmas should go as aliases *)
519 let wanted_coercions =
524 (UriManager.uri_of_string
525 (GrafiteTypes.qualify status name ^ ".con"))
530 prerr_endline "wanted coercions:";
532 (fun u -> prerr_endline (UriManager.string_of_uri u))
534 let coercions, moo_content =
538 let is_a_wanted_coercion =
539 List.exists (UriManager.eq uri) wanted_coercions in
540 if is_a_coercion uri && is_a_wanted_coercion then
541 Some (uri, coercion_moo_statement_of uri)
546 (* prerr_endline "actual coercions:";
548 (fun u -> prerr_endline (UriManager.string_of_uri u))
550 let status = GrafiteTypes.add_moo_content moo_content status in
552 GrafiteTypes.coercions = coercions @ status.GrafiteTypes.coercions},
555 let add_obj uri obj status =
556 let status,lemmas = GrafiteSync.add_obj refinement_toolkit uri obj status in
559 let rec eval_command = {ec_go = fun ~disambiguate_command opts status cmd ->
560 let status,cmd = disambiguate_command status cmd in
563 | GrafiteAst.Default (loc, what, uris) as cmd ->
564 LibraryObjects.set_default what uris;
565 GrafiteTypes.add_moo_content [cmd] status,[]
566 | GrafiteAst.Include (loc, baseuri) ->
567 let moopath_rw, moopath_r =
568 LibraryMisc.obj_file_of_baseuri
569 ~must_exist:false ~baseuri ~writable:true,
570 LibraryMisc.obj_file_of_baseuri
571 ~must_exist:false ~baseuri ~writable:false
574 if Sys.file_exists moopath_r then moopath_r else
575 if Sys.file_exists moopath_rw then moopath_rw else
576 raise (IncludedFileNotCompiled moopath_rw)
578 let status = eval_from_moo.efm_go status moopath in
580 | GrafiteAst.Set (loc, name, value) ->
581 if name = "baseuri" then begin
583 let v = Http_getter_misc.strip_trailing_slash value in
585 ignore (String.index v ' ');
586 GrafiteTypes.command_error "baseuri can't contain spaces"
589 if Http_getter_storage.is_read_only value then begin
590 HLog.error (sprintf "uri %s belongs to a read-only repository" value);
591 raise (ReadOnlyUri value)
593 if not (Http_getter_storage.is_empty value) &&
596 HLog.message ("baseuri " ^ value ^ " is not empty");
597 HLog.message ("cleaning baseuri " ^ value);
598 LibraryClean.clean_baseuris [value];
599 assert (Http_getter_storage.is_empty value);
602 (Filename.dirname (Http_getter.filename ~writable:true (value ^
605 GrafiteTypes.set_option status name value,[]
606 | GrafiteAst.Drop loc -> raise Drop
607 | GrafiteAst.Qed loc ->
608 let uri, metasenv, bo, ty =
609 match status.GrafiteTypes.proof_status with
610 | GrafiteTypes.Proof (Some uri, metasenv, body, ty) ->
611 uri, metasenv, body, ty
612 | GrafiteTypes.Proof (None, metasenv, body, ty) ->
613 raise (GrafiteTypes.Command_error
614 ("Someone allows to start a theorem without giving the "^
615 "name/uri. This should be fixed!"))
618 (GrafiteTypes.Command_error "You can't Qed an incomplete theorem")
620 if metasenv <> [] then
622 (GrafiteTypes.Command_error
623 "Proof not completed! metasenv is not empty!");
624 let name = UriManager.name_of_uri uri in
625 let obj = Cic.Constant (name,Some bo,ty,[],[]) in
626 let status, lemmas = add_obj uri obj status in
627 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
629 | GrafiteAst.Coercion (loc, uri, add_composites) ->
630 eval_coercion status ~add_composites uri
631 | GrafiteAst.Obj (loc,obj) ->
634 Cic.Constant (name,_,_,_,_)
635 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
636 | Cic.InductiveDefinition (types,_,_,_) ->
638 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
639 | _ -> assert false in
641 UriManager.uri_of_string (GrafiteTypes.qualify status name ^ ext) in
642 let obj = CicRefine.pack_coercion_obj obj in
643 let metasenv = GrafiteTypes.get_proof_metasenv status in
645 | Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
646 let name = UriManager.name_of_uri uri in
647 if not(CicPp.check name ty) then
648 HLog.error ("Bad name: " ^ name);
649 if opts.do_heavy_checks then
651 let dbd = LibraryDb.instance () in
652 let similar = Whelp.match_term ~dbd ty in
653 let similar_len = List.length similar in
654 if similar_len> 30 then
656 ("Duplicate check will compare your theorem with " ^
657 string_of_int similar_len ^
658 " theorems, this may take a while."));
662 let t = CicUtil.term_of_uri u in
664 CicTypeChecker.type_of_aux'
665 metasenv' [] t CicUniv.empty_ugraph
667 fst(CicReduction.are_convertible [] ty' ty g))
670 (match convertible with
674 ("Theorem already proved: " ^ UriManager.string_of_uri x ^
675 "\nPlease use a variant."));
677 let initial_proof = (Some uri, metasenv', bo, ty) in
678 let initial_stack = Continuationals.Stack.of_metasenv metasenv' in
679 { status with GrafiteTypes.proof_status =
680 GrafiteTypes.Incomplete_proof
681 { GrafiteTypes.proof = initial_proof; stack = initial_stack } },
684 if metasenv <> [] then
685 raise (GrafiteTypes.Command_error (
686 "metasenv not empty while giving a definition with body: " ^
687 CicMetaSubst.ppmetasenv [] metasenv));
688 let status, lemmas = add_obj uri obj status in
689 let status,new_lemmas =
690 add_coercions_of_record_to_moo obj lemmas status
692 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
693 uri::new_lemmas@lemmas
695 match status.GrafiteTypes.proof_status with
696 GrafiteTypes.Intermediate _ ->
697 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},uris
700 } and eval_executable = {ee_go = fun ~disambiguate_tactic ~disambiguate_command ~disambiguate_macro opts status ex ->
702 | GrafiteAst.Tactical (_, tac, None) ->
703 eval_tactical ~disambiguate_tactic status tac,[]
704 | GrafiteAst.Tactical (_, tac, Some punct) ->
705 let status = eval_tactical ~disambiguate_tactic status tac in
706 eval_tactical ~disambiguate_tactic status punct,[]
707 | GrafiteAst.Command (_, cmd) ->
708 eval_command.ec_go ~disambiguate_command opts status cmd
709 | GrafiteAst.Macro (loc, macro) ->
710 raise (Macro (loc,disambiguate_macro status macro))
712 } and eval_from_moo = {efm_go = fun status fname ->
714 GrafiteAst.Executable (HExtlib.dummy_floc,
715 GrafiteAst.Command (HExtlib.dummy_floc,
718 let moo = GrafiteMarshal.load_moo fname in
721 let ast = ast_of_cmd ast in
724 ~disambiguate_tactic:(fun status _ tactic -> status,tactic)
725 ~disambiguate_command:(fun status cmd -> status,cmd)
726 ~disambiguate_macro:(fun _ _ -> assert false)
732 } and eval_ast = {ea_go = fun ~disambiguate_tactic ~disambiguate_command ~disambiguate_macro ?(do_heavy_checks=false) ?(clean_baseuri=true) status st
735 do_heavy_checks = do_heavy_checks ;
736 clean_baseuri = clean_baseuri }
739 | GrafiteAst.Executable (_,ex) ->
740 eval_executable.ee_go ~disambiguate_tactic ~disambiguate_command
741 ~disambiguate_macro opts status ex
742 | GrafiteAst.Comment (_,c) -> eval_comment status c,[]
745 let eval_ast = eval_ast.ea_go