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 (* 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 (** create a ProofEngineTypes.mk_fresh_name_type function which uses given
46 * names as long as they are available, then it fallbacks to name generation
47 * using FreshNamesGenerator module *)
49 let len = List.length names in
51 fun metasenv context name ~typ ->
52 if !count < len then begin
53 let name = Cic.Name (List.nth names !count) in
57 FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
59 let tactic_of_ast ast =
60 let module PET = ProofEngineTypes in
62 | GrafiteAst.Absurd (_, term) -> Tactics.absurd term
63 | GrafiteAst.Apply (_, term) -> Tactics.apply term
64 | GrafiteAst.ApplyS (_, term) ->
65 Tactics.applyS ~term ~dbd:(LibraryDb.instance ())
66 | GrafiteAst.Assumption _ -> Tactics.assumption
67 | GrafiteAst.Auto (_,params) ->
68 AutoTactic.auto_tac ~params ~dbd:(LibraryDb.instance ())
69 | GrafiteAst.Change (_, pattern, with_what) ->
70 Tactics.change ~pattern with_what
71 | GrafiteAst.Clear (_,id) -> Tactics.clear id
72 | GrafiteAst.ClearBody (_,id) -> Tactics.clearbody id
73 | GrafiteAst.Contradiction _ -> Tactics.contradiction
74 | GrafiteAst.Constructor (_, n) -> Tactics.constructor n
75 | GrafiteAst.Cut (_, ident, term) ->
76 let names = match ident with None -> [] | Some id -> [id] in
77 Tactics.cut ~mk_fresh_name_callback:(namer_of names) term
78 | GrafiteAst.Decompose (_, types, what, names) ->
79 let to_type = function
80 | GrafiteAst.Type (uri, typeno) -> uri, typeno
81 | GrafiteAst.Ident _ -> assert false
83 let user_types = List.rev_map to_type types in
84 let dbd = LibraryDb.instance () in
85 let mk_fresh_name_callback = namer_of names in
86 Tactics.decompose ~mk_fresh_name_callback ~dbd ~user_types ?what
87 | GrafiteAst.Demodulate _ -> Tactics.demodulate ~dbd:(LibraryDb.instance ())
88 | GrafiteAst.Discriminate (_,term) -> Tactics.discriminate term
89 | GrafiteAst.Elim (_, what, using, depth, names) ->
90 Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(namer_of names)
92 | GrafiteAst.ElimType (_, what, using, depth, names) ->
93 Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(namer_of names)
95 | GrafiteAst.Exact (_, term) -> Tactics.exact term
96 | GrafiteAst.Exists _ -> Tactics.exists
97 | GrafiteAst.Fail _ -> Tactics.fail
98 | GrafiteAst.Fold (_, reduction_kind, term, pattern) ->
100 match reduction_kind with
102 PET.const_lazy_reduction
103 (CicReduction.normalize ~delta:false ~subst:[])
104 | `Reduce -> PET.const_lazy_reduction ProofEngineReduction.reduce
105 | `Simpl -> PET.const_lazy_reduction ProofEngineReduction.simpl
107 PET.const_lazy_reduction (ProofEngineReduction.unfold ?what:None)
108 | `Unfold (Some lazy_term) ->
109 (fun context metasenv ugraph ->
110 let what, metasenv, ugraph = lazy_term context metasenv ugraph in
111 ProofEngineReduction.unfold ~what, metasenv, ugraph)
113 PET.const_lazy_reduction (CicReduction.whd ~delta:false ~subst:[])
115 Tactics.fold ~reduction ~term ~pattern
116 | GrafiteAst.Fourier _ -> Tactics.fourier
117 | GrafiteAst.FwdSimpl (_, hyp, names) ->
118 Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names)
119 ~dbd:(LibraryDb.instance ()) hyp
120 | GrafiteAst.Generalize (_,pattern,ident) ->
121 let names = match ident with None -> [] | Some id -> [id] in
122 Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
123 | GrafiteAst.Goal (_, n) -> Tactics.set_goal n
124 | GrafiteAst.IdTac _ -> Tactics.id
125 | GrafiteAst.Injection (_,term) -> Tactics.injection term
126 | GrafiteAst.Intros (_, None, names) ->
127 PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
128 | GrafiteAst.Intros (_, Some num, names) ->
129 PrimitiveTactics.intros_tac ~howmany:num
130 ~mk_fresh_name_callback:(namer_of names) ()
131 | GrafiteAst.Inversion (_, term) ->
132 Tactics.inversion term
133 | GrafiteAst.LApply (_, linear, how_many, to_what, what, ident) ->
134 let names = match ident with None -> [] | Some id -> [id] in
135 Tactics.lapply ~mk_fresh_name_callback:(namer_of names)
136 ~linear ?how_many ~to_what what
137 | GrafiteAst.Left _ -> Tactics.left
138 | GrafiteAst.LetIn (loc,term,name) ->
139 Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
140 | GrafiteAst.Reduce (_, reduction_kind, pattern) ->
141 (match reduction_kind with
142 | `Normalize -> Tactics.normalize ~pattern
143 | `Reduce -> Tactics.reduce ~pattern
144 | `Simpl -> Tactics.simpl ~pattern
145 | `Unfold what -> Tactics.unfold ~pattern what
146 | `Whd -> Tactics.whd ~pattern)
147 | GrafiteAst.Reflexivity _ -> Tactics.reflexivity
148 | GrafiteAst.Replace (_, pattern, with_what) ->
149 Tactics.replace ~pattern ~with_what
150 | GrafiteAst.Rewrite (_, direction, t, pattern) ->
151 EqualityTactics.rewrite_tac ~direction ~pattern t
152 | GrafiteAst.Right _ -> Tactics.right
153 | GrafiteAst.Ring _ -> Tactics.ring
154 | GrafiteAst.Split _ -> Tactics.split
155 | GrafiteAst.Symmetry _ -> Tactics.symmetry
156 | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
157 (* Implementazioni Aggiunte *)
158 | GrafiteAst.Assume (_, id, t) -> Declarative.assume id t
159 | GrafiteAst.Suppose (_, t, id) -> Declarative.suppose t id
160 | GrafiteAst.By_term_we_proved (_, t, ty, id) ->
161 Declarative.by_term_we_proved t ty id
162 | GrafiteAst.We_need_to_prove (_, t, id) -> Declarative.we_need_to_prove t id
163 | GrafiteAst.Bydone (_, t) -> Declarative.bydone t
165 (* maybe we only need special cases for apply and goal *)
166 let classify_tactic tactic =
168 (* tactics that can't close the goal (return a goal we want to "select") *)
169 | GrafiteAst.Rewrite _
171 | GrafiteAst.Replace _
172 | GrafiteAst.Reduce _
173 | GrafiteAst.Injection _
175 | GrafiteAst.Generalize _
178 | GrafiteAst.Decompose _ -> true, true
179 (* tactics we don't want to reorder goals. I think only Goal needs this. *)
180 | GrafiteAst.Goal _ -> false, true
181 (* tactics like apply *)
184 let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
185 let module PEH = ProofEngineHelpers in
186 (* let print_m name metasenv =
187 prerr_endline (">>>>> " ^ name);
188 prerr_endline (CicMetaSubst.ppmetasenv [] metasenv)
190 (* phase one calculates:
191 * new_goals_from_refine: goals added by refine
192 * head_goal: the first goal opened by ythe tactic
193 * other_goals: other goals opened by the tactic
195 let new_goals_from_refine = PEH.compare_metasenvs start refine in
196 let new_goals_from_tactic = PEH.compare_metasenvs refine tactic in
197 let head_goal, other_goals, goals =
199 | [] -> None,[],goals
201 (* assert (List.mem hd new_goals_from_tactic);
202 * invalidato dalla goal_tac
204 Some hd, List.filter ((<>) hd) new_goals_from_tactic, List.filter ((<>)
209 | None -> new_goals_from_refine @ other_goals
210 | Some x -> x :: new_goals_from_refine @ other_goals
212 (* extract the metas generated by refine and tactic *)
213 let metas_for_tactic_head =
216 | Some head_goal -> List.filter (fun (n,_,_) -> n = head_goal) tactic in
217 let metas_for_tactic_goals =
219 (fun x -> List.find (fun (metano,_,_) -> metano = x) tactic)
222 let metas_for_refine_goals =
223 List.filter (fun (n,_,_) -> List.mem n new_goals_from_refine) tactic in
224 let produced_metas, goals =
226 if always_opens_a_goal then
227 metas_for_tactic_head @ metas_for_refine_goals @
228 metas_for_tactic_goals
230 (* print_m "metas_for_refine_goals" metas_for_refine_goals;
231 print_m "metas_for_tactic_head" metas_for_tactic_head;
232 print_m "metas_for_tactic_goals" metas_for_tactic_goals; *)
233 metas_for_refine_goals @ metas_for_tactic_head @
234 metas_for_tactic_goals
237 let goals = List.map (fun (metano, _, _) -> metano) produced_metas in
238 produced_metas, goals
240 (* residual metas, preserving the original order *)
245 | (metano, _, _) :: tl when metano = e ->
246 [], List.map (fun (x,_,_) -> x) tl
247 | (metano, _, _) :: tl -> let b, a = split e tl in metano :: b, a
249 let find n metasenv =
251 Some (List.find (fun (metano, _, _) -> metano = n) metasenv)
252 with Not_found -> None
257 match find n tactic with
261 let before_l, after_l = split current_goal start in
263 List.filter (fun x -> not (List.mem x produced_goals)) before_l in
265 List.filter (fun x -> not (List.mem x produced_goals)) after_l in
266 let before = extract before_l in
267 let after = extract after_l in
271 print_m "BEGIN" start;
272 prerr_endline ("goal was: " ^ string_of_int current_goal);
273 prerr_endline ("and metas from refine are:");
275 (fun t -> prerr_string (" " ^ string_of_int t))
276 new_goals_from_refine;
278 print_m "before" before;
279 print_m "metas_for_tactic_head" metas_for_tactic_head;
280 print_m "metas_for_refine_goals" metas_for_refine_goals;
281 print_m "metas_for_tactic_goals" metas_for_tactic_goals;
282 print_m "produced_metas" produced_metas;
283 print_m "after" after;
284 |+ FINE DEBUG CODE +| *)
285 before @ produced_metas @ after, goals
287 let apply_tactic ~disambiguate_tactic (text,prefix_len,tactic) (status, goal) =
288 (* prerr_endline "apply_tactic"; *)
289 (* prerr_endline (Continuationals.Stack.pp (GrafiteTypes.get_stack status)); *)
290 let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
291 let before = List.map (fun g, _, _ -> g) starting_metasenv in
292 (* prerr_endline "disambiguate"; *)
293 let status, tactic = disambiguate_tactic status goal (text,prefix_len,tactic) in
294 let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
295 let proof = GrafiteTypes.get_current_proof status in
296 let proof_status = proof, goal in
297 let needs_reordering, always_opens_a_goal = classify_tactic tactic in
298 let tactic = tactic_of_ast tactic in
299 (* apply tactic will change the lexicon_status ... *)
300 (* prerr_endline "apply_tactic bassa"; *)
301 let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
302 let after = ProofEngineTypes.goals_of_proof proof in
303 let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
304 (* prerr_endline("before: " ^ String.concat ", " (List.map string_of_int before));
305 prerr_endline("after: " ^ String.concat ", " (List.map string_of_int after));
306 prerr_endline("opened: " ^ String.concat ", " (List.map string_of_int opened)); *)
307 (* prerr_endline("opened_goals: " ^ String.concat ", " (List.map string_of_int opened_goals));
308 prerr_endline("closed_goals: " ^ String.concat ", " (List.map string_of_int closed_goals)); *)
309 let proof, opened_goals =
310 if needs_reordering then begin
311 let uri, metasenv_after_tactic, t, ty = proof in
312 (* prerr_endline ("goal prima del riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof))); *)
313 let reordered_metasenv, opened_goals =
316 metasenv_after_refinement metasenv_after_tactic
317 opened goal always_opens_a_goal
319 let proof' = uri, reordered_metasenv, t, ty in
320 (* prerr_endline ("goal dopo il riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof'))); *)
326 let incomplete_proof =
327 match status.GrafiteTypes.proof_status with
328 | GrafiteTypes.Incomplete_proof p -> p
331 { status with GrafiteTypes.proof_status =
332 GrafiteTypes.Incomplete_proof
333 { incomplete_proof with GrafiteTypes.proof = proof } },
334 opened_goals, closed_goals
338 'term 'lazy_term 'reduction 'obj 'ident.
340 (GrafiteTypes.status ->
341 ProofEngineTypes.goal ->
342 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
343 disambiguator_input ->
344 GrafiteTypes.status *
345 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
347 disambiguate_command:
348 (GrafiteTypes.status ->
349 ('obj GrafiteAst.command) disambiguator_input ->
350 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
353 (GrafiteTypes.status ->
354 ('term GrafiteAst.macro) disambiguator_input ->
355 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
357 ?do_heavy_checks:bool ->
358 ?clean_baseuri:bool ->
359 GrafiteTypes.status ->
360 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.statement)
361 disambiguator_input ->
362 GrafiteTypes.status * UriManager.uri list
365 type 'a eval_command =
367 disambiguate_command:
368 (GrafiteTypes.status -> ('obj GrafiteAst.command) disambiguator_input ->
369 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
370 options -> GrafiteTypes.status ->
371 ('obj GrafiteAst.command) disambiguator_input ->
372 GrafiteTypes.status * UriManager.uri list
375 type 'a eval_executable =
376 {ee_go: 'term 'lazy_term 'reduction 'obj 'ident.
378 (GrafiteTypes.status ->
379 ProofEngineTypes.goal ->
380 (('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic)
381 disambiguator_input ->
382 GrafiteTypes.status *
383 (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
385 disambiguate_command:
386 (GrafiteTypes.status ->
387 ('obj GrafiteAst.command) disambiguator_input ->
388 GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
391 (GrafiteTypes.status ->
392 ('term GrafiteAst.macro) disambiguator_input ->
393 Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
396 GrafiteTypes.status ->
397 (('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.code) disambiguator_input ->
398 GrafiteTypes.status * UriManager.uri list
401 type 'a eval_from_moo =
402 { efm_go: GrafiteTypes.status -> string -> GrafiteTypes.status }
404 let coercion_moo_statement_of uri =
405 GrafiteAst.Coercion (HExtlib.dummy_floc, uri, false)
407 let refinement_toolkit = {
408 RefinementTool.type_of_aux' =
409 (fun ?localization_tbl e c t u ->
410 let saved = !CicRefine.insert_coercions in
411 CicRefine.insert_coercions:= false;
414 let t, ty, metasenv, ugraph =
415 CicRefine.type_of_aux' ?localization_tbl e c t u in
416 RefinementTool.Success (t, ty, metasenv, ugraph)
418 | CicRefine.RefineFailure s
419 | CicRefine.Uncertain s
420 | CicRefine.AssertFailure s -> RefinementTool.Exception s
422 CicRefine.insert_coercions := saved;
424 RefinementTool.ppsubst = CicMetaSubst.ppsubst;
425 RefinementTool.apply_subst = CicMetaSubst.apply_subst;
426 RefinementTool.ppmetasenv = CicMetaSubst.ppmetasenv;
427 RefinementTool.pack_coercion_obj = CicRefine.pack_coercion_obj;
430 let eval_coercion status ~add_composites uri =
431 let status,compounds =
432 GrafiteSync.add_coercion ~add_composites refinement_toolkit status uri in
434 List.map coercion_moo_statement_of (uri::compounds)
436 let status = GrafiteTypes.add_moo_content moo_content status in
437 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
440 let eval_tactical ~disambiguate_tactic status tac =
441 let apply_tactic = apply_tactic ~disambiguate_tactic in
442 let module MatitaStatus =
444 type input_status = GrafiteTypes.status * ProofEngineTypes.goal
447 GrafiteTypes.status * ProofEngineTypes.goal list * ProofEngineTypes.goal list
449 type tactic = input_status -> output_status
451 let id_tactic = apply_tactic ("",0,(GrafiteAst.IdTac HExtlib.dummy_floc))
452 let mk_tactic tac = tac
453 let apply_tactic tac = tac
454 let goals (_, opened, closed) = opened, closed
455 let set_goals (opened, closed) (status, _, _) = (status, opened, closed)
456 let get_stack (status, _) = GrafiteTypes.get_stack status
458 let set_stack stack (status, opened, closed) =
459 GrafiteTypes.set_stack stack status, opened, closed
461 let inject (status, _) = (status, [], [])
462 let focus goal (status, _, _) = (status, goal)
465 let module MatitaTacticals = Tacticals.Make (MatitaStatus) in
466 let rec tactical_of_ast l (text,prefix_len,tac) =
467 let apply_tactic t = apply_tactic (text, prefix_len, t) in
468 let tactical_of_ast l t = tactical_of_ast l (text,prefix_len,t) in
470 | GrafiteAst.Tactic (loc, tactic) ->
471 MatitaTacticals.tactic (MatitaStatus.mk_tactic (apply_tactic tactic))
472 | GrafiteAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
474 MatitaTacticals.seq ~tactics:(List.map (tactical_of_ast (l+1)) tacticals)
475 | GrafiteAst.Do (loc, n, tactical) ->
476 MatitaTacticals.do_tactic ~n ~tactic:(tactical_of_ast (l+1) tactical)
477 | GrafiteAst.Repeat (loc, tactical) ->
478 MatitaTacticals.repeat_tactic ~tactic:(tactical_of_ast (l+1) tactical)
479 | GrafiteAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
481 MatitaTacticals.thens ~start:(tactical_of_ast (l+1) tactical)
482 ~continuations:(List.map (tactical_of_ast (l+1)) tacticals)
483 | GrafiteAst.First (loc, tacticals) ->
484 MatitaTacticals.first
485 ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
486 | GrafiteAst.Try (loc, tactical) ->
487 MatitaTacticals.try_tactic ~tactic:(tactical_of_ast (l+1) tactical)
488 | GrafiteAst.Solve (loc, tacticals) ->
489 MatitaTacticals.solve_tactics
490 ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
492 | GrafiteAst.Skip _loc -> MatitaTacticals.skip
493 | GrafiteAst.Dot _loc -> MatitaTacticals.dot
494 | GrafiteAst.Semicolon _loc -> MatitaTacticals.semicolon
495 | GrafiteAst.Branch _loc -> MatitaTacticals.branch
496 | GrafiteAst.Shift _loc -> MatitaTacticals.shift
497 | GrafiteAst.Pos (_loc, i) -> MatitaTacticals.pos i
498 | GrafiteAst.Merge _loc -> MatitaTacticals.merge
499 | GrafiteAst.Focus (_loc, goals) -> MatitaTacticals.focus goals
500 | GrafiteAst.Unfocus _loc -> MatitaTacticals.unfocus
501 | GrafiteAst.Wildcard _loc -> MatitaTacticals.wildcard
503 let status, _, _ = tactical_of_ast 0 tac (status, ~-1) in
504 let status = (* is proof completed? *)
505 match status.GrafiteTypes.proof_status with
506 | GrafiteTypes.Incomplete_proof
507 { GrafiteTypes.stack = stack; proof = proof }
508 when Continuationals.Stack.is_empty stack ->
509 { status with GrafiteTypes.proof_status = GrafiteTypes.Proof proof }
514 let eval_comment status c = status
516 (* since the record syntax allows to declare coercions, we have to put this
517 * information inside the moo *)
518 let add_coercions_of_record_to_moo obj lemmas status =
519 let attributes = CicUtil.attributes_of_obj obj in
520 let is_record = function `Class (`Record att) -> Some att | _-> None in
521 match HExtlib.list_findopt is_record attributes with
524 let is_a_coercion uri =
527 CicEnvironment.get_cooked_obj CicUniv.empty_ugraph uri in
528 let attrs = CicUtil.attributes_of_obj obj in
529 List.mem (`Class `Coercion) attrs
530 with Not_found -> assert false
532 (* looking at the fields we can know the 'wanted' coercions, but not the
533 * actually generated ones. So, only the intersection between the wanted
534 * and the actual should be in the moo as coercion, while everithing in
535 * lemmas should go as aliases *)
536 let wanted_coercions =
541 (UriManager.uri_of_string
542 (GrafiteTypes.qualify status name ^ ".con"))
546 (*prerr_endline "wanted coercions:";
548 (fun u -> prerr_endline (UriManager.string_of_uri u))
550 let coercions, moo_content =
554 let is_a_wanted_coercion =
555 List.exists (UriManager.eq uri) wanted_coercions
557 if is_a_coercion uri || is_a_wanted_coercion then
558 Some (uri, coercion_moo_statement_of uri)
563 (*prerr_endline "actual coercions:";
565 (fun u -> prerr_endline (UriManager.string_of_uri u))
567 prerr_endline "lemmas was:";
569 (fun u -> prerr_endline (UriManager.string_of_uri u))
571 let status = GrafiteTypes.add_moo_content moo_content status in
573 GrafiteTypes.coercions = coercions @ status.GrafiteTypes.coercions},
576 let add_obj uri obj status =
577 let status,lemmas = GrafiteSync.add_obj refinement_toolkit uri obj status in
580 let rec eval_command = {ec_go = fun ~disambiguate_command opts status
581 (text,prefix_len,cmd) ->
582 let status,cmd = disambiguate_command status (text,prefix_len,cmd) in
585 | GrafiteAst.Default (loc, what, uris) as cmd ->
586 LibraryObjects.set_default what uris;
587 GrafiteTypes.add_moo_content [cmd] status,[]
588 | GrafiteAst.Include (loc, baseuri) ->
589 let moopath_rw, moopath_r =
590 LibraryMisc.obj_file_of_baseuri
591 ~must_exist:false ~baseuri ~writable:true,
592 LibraryMisc.obj_file_of_baseuri
593 ~must_exist:false ~baseuri ~writable:false
596 if Sys.file_exists moopath_r then moopath_r else
597 if Sys.file_exists moopath_rw then moopath_rw else
598 raise (IncludedFileNotCompiled (moopath_rw,baseuri))
600 let status = eval_from_moo.efm_go status moopath in
602 | GrafiteAst.Set (loc, name, value) ->
603 if name = "baseuri" then begin
605 let v = Http_getter_misc.strip_trailing_slash value in
607 ignore (String.index v ' ');
608 GrafiteTypes.command_error "baseuri can't contain spaces"
611 if Http_getter_storage.is_read_only value then begin
612 HLog.error (sprintf "uri %s belongs to a read-only repository" value);
613 raise (ReadOnlyUri value)
615 if not (Http_getter_storage.is_empty value) &&
618 HLog.message ("baseuri " ^ value ^ " is not empty");
619 HLog.message ("cleaning baseuri " ^ value);
620 LibraryClean.clean_baseuris [value];
621 assert (Http_getter_storage.is_empty value);
624 (Filename.dirname (Http_getter.filename ~writable:true (value ^
627 GrafiteTypes.set_option status name value,[]
628 | GrafiteAst.Drop loc -> raise Drop
629 | GrafiteAst.Qed loc ->
630 let uri, metasenv, bo, ty =
631 match status.GrafiteTypes.proof_status with
632 | GrafiteTypes.Proof (Some uri, metasenv, body, ty) ->
633 uri, metasenv, body, ty
634 | GrafiteTypes.Proof (None, metasenv, body, ty) ->
635 raise (GrafiteTypes.Command_error
636 ("Someone allows to start a theorem without giving the "^
637 "name/uri. This should be fixed!"))
640 (GrafiteTypes.Command_error "You can't Qed an incomplete theorem")
642 if metasenv <> [] then
644 (GrafiteTypes.Command_error
645 "Proof not completed! metasenv is not empty!");
646 let name = UriManager.name_of_uri uri in
647 let obj = Cic.Constant (name,Some bo,ty,[],[]) in
648 let status, lemmas = add_obj uri obj status in
649 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
651 | GrafiteAst.Coercion (loc, uri, add_composites) ->
652 eval_coercion status ~add_composites uri
653 | GrafiteAst.Obj (loc,obj) ->
656 Cic.Constant (name,_,_,_,_)
657 | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
658 | Cic.InductiveDefinition (types,_,_,_) ->
660 (match types with (name,_,_,_)::_ -> name | _ -> assert false)
661 | _ -> assert false in
663 UriManager.uri_of_string (GrafiteTypes.qualify status name ^ ext) in
664 let obj = CicRefine.pack_coercion_obj obj in
665 let metasenv = GrafiteTypes.get_proof_metasenv status in
667 | Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
668 let name = UriManager.name_of_uri uri in
669 if not(CicPp.check name ty) then
670 HLog.error ("Bad name: " ^ name);
671 if opts.do_heavy_checks then
673 let dbd = LibraryDb.instance () in
674 let similar = Whelp.match_term ~dbd ty in
675 let similar_len = List.length similar in
676 if similar_len> 30 then
678 ("Duplicate check will compare your theorem with " ^
679 string_of_int similar_len ^
680 " theorems, this may take a while."));
684 let t = CicUtil.term_of_uri u in
686 CicTypeChecker.type_of_aux'
687 metasenv' [] t CicUniv.empty_ugraph
689 fst(CicReduction.are_convertible [] ty' ty g))
692 (match convertible with
696 ("Theorem already proved: " ^ UriManager.string_of_uri x ^
697 "\nPlease use a variant."));
699 let initial_proof = (Some uri, metasenv', bo, ty) in
700 let initial_stack = Continuationals.Stack.of_metasenv metasenv' in
701 { status with GrafiteTypes.proof_status =
702 GrafiteTypes.Incomplete_proof
703 { GrafiteTypes.proof = initial_proof; stack = initial_stack } },
706 if metasenv <> [] then
707 raise (GrafiteTypes.Command_error (
708 "metasenv not empty while giving a definition with body: " ^
709 CicMetaSubst.ppmetasenv [] metasenv));
710 let status, lemmas = add_obj uri obj status in
711 let status,new_lemmas =
712 add_coercions_of_record_to_moo obj lemmas status
714 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
715 uri::new_lemmas@lemmas
717 match status.GrafiteTypes.proof_status with
718 GrafiteTypes.Intermediate _ ->
719 {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},uris
722 } and eval_executable = {ee_go = fun ~disambiguate_tactic ~disambiguate_command
723 ~disambiguate_macro opts status (text,prefix_len,ex) ->
725 | GrafiteAst.Tactical (_, tac, None) ->
726 eval_tactical ~disambiguate_tactic status (text,prefix_len,tac),[]
727 | GrafiteAst.Tactical (_, tac, Some punct) ->
729 eval_tactical ~disambiguate_tactic status (text,prefix_len,tac) in
730 eval_tactical ~disambiguate_tactic status (text,prefix_len,punct),[]
731 | GrafiteAst.Command (_, cmd) ->
732 eval_command.ec_go ~disambiguate_command opts status (text,prefix_len,cmd)
733 | GrafiteAst.Macro (loc, macro) ->
734 raise (Macro (loc,disambiguate_macro status (text,prefix_len,macro)))
736 } and eval_from_moo = {efm_go = fun status fname ->
738 ("",0,GrafiteAst.Executable (HExtlib.dummy_floc,
739 GrafiteAst.Command (HExtlib.dummy_floc,
742 let moo = GrafiteMarshal.load_moo fname in
745 let ast = ast_of_cmd ast in
748 ~disambiguate_tactic:(fun status _ (_,_,tactic) -> status,tactic)
749 ~disambiguate_command:(fun status (_,_,cmd) -> status,cmd)
750 ~disambiguate_macro:(fun _ _ -> assert false)
756 } and eval_ast = {ea_go = fun ~disambiguate_tactic ~disambiguate_command
757 ~disambiguate_macro ?(do_heavy_checks=false) ?(clean_baseuri=true) status
761 do_heavy_checks = do_heavy_checks ;
762 clean_baseuri = clean_baseuri }
765 | GrafiteAst.Executable (_,ex) ->
766 eval_executable.ee_go ~disambiguate_tactic ~disambiguate_command
767 ~disambiguate_macro opts status (text,prefix_len,ex)
768 | GrafiteAst.Comment (_,c) -> eval_comment status (text,prefix_len,c),[]
771 let eval_ast = eval_ast.ea_go