1 (* Copyright (C) 2004-2005, 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 module TA = GrafiteAst
34 let debug_print = if debug then prerr_endline else ignore
36 (** raised when one of the script margins (top or bottom) is reached *)
38 exception NoUnfinishedProof
39 exception ActionCancelled of string
41 let safe_substring s i j =
42 try String.sub s i j with Invalid_argument _ -> assert false
44 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
45 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)"
46 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
47 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
48 let newline_RE = Pcre.regexp "\n"
49 let comment_RE = Pcre.regexp "\\(\\*(.|\n)*\\*\\)\n?" ~flags:[`UNGREEDY]
52 if Pcre.pmatch ~rex:multiline_RE str then
53 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
55 "\n(**\n" ^ str ^ "\n*)"
57 let strip_comments str =
58 Pcre.qreplace ~templ:"\n" ~pat:"\n\n" (Pcre.qreplace ~rex:comment_RE str)
62 let s = Pcre.replace ~rex:heading_nl_RE s in
64 let nl_pos = String.index s '\n' in
69 mathviewer:MatitaTypes.mathViewer;
70 urichooser: UriManager.uri list -> UriManager.uri list;
71 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
74 let eval_with_engine include_paths guistuff grafite_status user_goal
75 skipped_txt nonskipped_txt st
77 let parsed_text_length =
78 String.length skipped_txt + String.length nonskipped_txt
80 let text = skipped_txt ^ nonskipped_txt in
81 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
82 let enriched_history_fragment =
83 MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
84 "matita.do_heavy_checks")
85 grafite_status (text,prefix_len,st)
87 let enriched_history_fragment = List.rev enriched_history_fragment in
91 (fun (acc, to_prepend) (status,alias) ->
93 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
95 let newtxt = LexiconAstPp.pp_alias value in
96 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
97 ([],skipped_txt) enriched_history_fragment
99 res,"",parsed_text_length
102 (* this function calls the parser in a way that it does not perform inclusions,
103 * so that we can ensure the inclusion is performed after the included file
104 * is compiled (if needed). matitac does not need that, since it compiles files
105 * in the good order, here files may be compiled on demand. *)
106 let wrap_with_make include_paths (f : #LexiconEngine.status GrafiteParser.statement) x =
108 f ~never_include:true ~include_paths x
110 | GrafiteParser.NoInclusionPerformed mafilename ->
111 let root, buri, _, tgt =
112 try Librarian.baseuri_of_script ~include_paths mafilename
113 with Librarian.NoRootFor _ ->
114 HLog.error ("The included file '"^mafilename^"' has no root file,");
115 HLog.error "please create it.";
116 raise (Failure ("No root file for "^mafilename))
118 let b = MatitacLib.Make.make root [tgt] in
120 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
122 (Failure ("Including: "^tgt^
123 "\nNothing to do... did you run matitadep?"))
124 else raise (Failure ("Compiling: " ^ tgt))
127 let pp_eager_statement_ast =
128 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
129 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
131 (* naive implementation of procedural proof script generation,
132 * starting from an applicatiove *auto generated) proof.
133 * this is out of place, but I like it :-P *)
134 let cic2grafite context menv t =
135 (* indents a proof script in a stupid way, better than nothing *)
136 let stupid_indenter s =
138 let idx_square_o = try String.index s '[' with Not_found -> -1 in
139 let idx_square_c = try String.index s ']' with Not_found -> -1 in
140 let idx_pipe = try String.index s '|' with Not_found -> -1 in
142 List.sort (fun (i,_) (j,_) -> compare i j)
143 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
145 let tok = List.filter (fun (i,_) -> i <> -1) tok in
147 | (i,c)::_ -> Some (i,c)
150 let break_apply n s =
151 let tab = String.make (n+1) ' ' in
152 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
158 | Some (position, char) ->
161 String.sub s 0 position,
162 String.sub s (position+1) (String.length s - (position+1))
165 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
167 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
169 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
173 Invalid_argument err ->
179 let module PT = CicNotationPt in
180 let module GA = GrafiteAst in
183 List.map (function Some (n,_) -> Some n | None -> None) context
187 let sort_of context t =
190 CicTypeChecker.type_of_aux' menv context t
191 CicUniv.oblivion_ugraph
193 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
194 CicUniv.oblivion_ugraph
197 | Cic.Sort Cic.Prop -> true
200 CicTypeChecker.TypeCheckerFailure _ ->
201 HLog.error "auto proof to sript transformation error"; false
203 let floc = HExtlib.dummy_floc in
204 (* minimalisti cic.term -> pt.term *)
206 let rec aux c = function
210 | Cic.Const _ as t ->
211 PT.Ident (pp_t c t, None)
212 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
213 | Cic.Implicit _ -> PT.Implicit `JustOne
214 | Cic.Lambda (Cic.Name n, s, t) ->
215 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
216 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
217 | Cic.Prod (Cic.Name n, s, t) ->
218 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
219 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
220 | Cic.LetIn (Cic.Name n, s, ty, t) ->
221 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
222 aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
223 | Cic.Meta _ -> PT.Implicit `JustOne
224 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
225 | Cic.Sort Cic.Set -> PT.Sort `Set
226 | Cic.Sort (Cic.CProp u) -> PT.Sort (`CProp u)
227 | Cic.Sort Cic.Prop -> PT.Sort `Prop
228 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
232 (* prints an applicative proof, that is an auto proof.
233 * don't use in the general case! *)
234 let rec print_proof context = function
236 | Cic.Const _ as t ->
237 [GA.Executable (floc,
239 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
240 | Cic.Appl (he::tl) ->
241 let tl = List.map (fun t -> t, sort_of context t) tl in
243 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
246 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
248 if List.length subgoals > 1 then
250 [GA.Executable (floc,
252 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
253 GA.Semicolon floc))] @
254 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
256 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
257 (List.map (print_proof context) subgoals)) @
258 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
261 [GA.Executable (floc,
264 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
268 | [x] -> print_proof context x
270 | Cic.Lambda (Cic.Name n, ty, bo) ->
271 [GA.Executable (floc,
273 Some (GA.Cut (floc, Some n, (print_term context ty))),
275 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
276 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
277 [GA.Executable (floc, GA.Tactic (floc,
278 Some (GA.Assumption floc),GA.Merge floc))]
281 debug_print (lazy (CicPp.ppterm t));
285 (* performs a lambda closure of the proof term abstracting metas.
286 * this is really an approximation of a closure, local subst of metas
287 * is not kept into account *)
288 let close_pt menv context t =
289 let metas = CicUtil.metas_of_term t in
291 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
292 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
294 let mk_rels_and_collapse_metas metas =
295 let rec aux i map acc acc1 = function
296 | [] -> acc, acc1, map
298 let _,_,ty = CicUtil.lookup_meta j menv in
300 let n = List.assoc ty map in
301 aux i map (Cic.Rel n :: acc) (m::acc1) tl
303 let map = (ty, i)::map in
304 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
308 let rels, metas, map = mk_rels_and_collapse_metas metas in
309 let n_lambdas = List.length map in
315 ProofEngineReduction.replace_lifting
316 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
319 ~equality:(fun _ x y ->
321 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
323 ~where:(CicSubstitution.lift n_lambdas t)
325 let rec mk_lam = function
328 let name = "fresh_"^ string_of_int n in
329 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
333 (fun (l,liftno) (ty,_) ->
334 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
339 let ast = print_proof context (close_pt menv context t) in
341 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
342 * which will show up using the following command line:
343 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
344 let width = max_int in
345 let term_pp content_term =
346 let pres_term = TermContentPres.pp_ast content_term in
347 let lookup_uri = fun _ -> None in
348 let markup = CicNotationPres.render ~lookup_uri pres_term in
349 let s = "(" ^ BoxPp.render_to_string
350 ~map_unicode_to_tex:(Helm_registry.get_bool
351 "matita.paste_unicode_as_tex")
352 List.hd width markup ^ ")" in
354 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
356 CicNotationPp.set_pp_term term_pp;
357 let lazy_term_pp = fun x -> assert false in
358 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
359 GrafiteAstPp.pp_statement
360 ~map_unicode_to_tex:(Helm_registry.get_bool
361 "matita.paste_unicode_as_tex")
362 ~term_pp ~lazy_term_pp ~obj_pp t
364 let script = String.concat "" (List.map pp ast) in
365 prerr_endline script;
366 stupid_indenter script
368 let eval_nmacro include_paths (buffer : GText.buffer) guistuff grafite_status user_goal unparsed_text parsed_text script mac =
369 let parsed_text_length = String.length parsed_text in
371 | TA.Screenshot (_,name) ->
372 let status = script#grafite_status in
373 let _,_,menv,subst,_ = status#obj in
374 let sequent = List.hd menv in
375 let name = Filename.dirname (script#filename) ^ "/" ^ name in
376 guistuff.mathviewer#screenshot status sequent menv subst name;
377 [status, parsed_text], "", parsed_text_length
379 let status = script#grafite_status in
380 let _,_,menv,subst,_ = status#obj in
382 try let _,(_,ctx,_) = List.hd menv in ctx
383 with Failure "hd" -> []
385 let m, s, status, t =
386 GrafiteDisambiguate.disambiguate_nterm
387 None status ctx menv subst (parsed_text,parsed_text_length,
388 CicNotationPt.Cast (t,CicNotationPt.Implicit `JustOne))
389 (* XXX use the metasenv, if possible *)
391 guistuff.mathviewer#show_entry (`NCic (t,ctx,m,s));
392 [], "", parsed_text_length
394 let rec eval_macro include_paths (buffer : GText.buffer) guistuff grafite_status user_goal unparsed_text parsed_text script mac =
395 let module MQ = MetadataQuery in
396 let module CTC = CicTypeChecker in
397 (* no idea why ocaml wants this *)
398 let parsed_text_length = String.length parsed_text in
399 let dbd = LibraryDb.instance () in
400 let pp_macro = ApplyTransformation.txt_of_macro ~map_unicode_to_tex:true in
403 | TA.WMatch (loc, term) ->
404 let l = Whelp.match_term ~dbd term in
405 let entry = `Whelp (pp_macro [] [] mac, l) in
406 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
407 [], "", parsed_text_length
408 | TA.WInstance (loc, term) ->
409 let l = Whelp.instance ~dbd term in
410 let entry = `Whelp (pp_macro [] [] mac, l) in
411 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
412 [], "", parsed_text_length
413 | TA.WLocate (loc, s) ->
414 let l = Whelp.locate ~dbd s in
415 let entry = `Whelp (pp_macro [] [] mac, l) in
416 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
417 [], "", parsed_text_length
418 | TA.WElim (loc, term) ->
421 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
422 | _ -> failwith "Not a MutInd"
424 let l = Whelp.elim ~dbd uri in
425 let entry = `Whelp (pp_macro [] [] mac, l) in
426 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
427 [], "", parsed_text_length
428 | TA.WHint (loc, term) ->
430 let s = ((None,[0,[],term], _subst, lazy (Cic.Meta (0,[])) ,term, []),0) in
431 let l = List.map fst (MQ.experimental_hint ~dbd s) in
432 let entry = `Whelp (pp_macro [] [] mac, l) in
433 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
434 [], "", parsed_text_length
436 | TA.Hint (loc, rewrite) ->
440 | None -> raise NoUnfinishedProof
442 let proof = GrafiteTypes.get_current_proof grafite_status in
443 let proof_status = proof,user_goal' in
445 let l = MQ.equations_for_goal ~dbd proof_status in
446 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
448 `Whelp (pp_macro [] [] (TA.WHint(loc, Cic.Implicit None)), l) in
449 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
450 [], "", parsed_text_length
452 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
453 let selected = guistuff.urichooser l in
455 | [] -> [], "", parsed_text_length
457 let suri = UriManager.string_of_uri uri in
459 TA.Executable (loc, (TA.Tactic (loc,
460 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
463 comment parsed_text ^ "\n" ^
464 pp_eager_statement_ast (ast HExtlib.dummy_floc)
465 ~map_unicode_to_tex:(Helm_registry.get_bool
466 "matita.paste_unicode_as_tex")
468 let text_len = MatitaGtkMisc.utf8_string_length text in
469 let loc = HExtlib.floc_of_loc (0,text_len) in
470 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
471 let res,_,_parsed_text_len =
472 eval_statement include_paths buffer guistuff
473 grafite_status user_goal script statement
475 (* we need to replace all the parsed_text *)
476 res,"",String.length parsed_text
479 "The result of the urichooser should be only 1 uri, not:\n";
481 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
484 | TA.Eval (_, kind, term) ->
485 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
489 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
490 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
494 CicReduction.normalize ~delta:true ~subst:[] context term
496 ProofEngineReduction.simpl context term
498 ProofEngineReduction.unfold ?what:None context term
499 | `Unfold (Some lazy_term) ->
501 lazy_term context metasenv CicUniv.empty_ugraph in
502 ProofEngineReduction.unfold ~what context term
504 CicReduction.whd ~delta:true ~subst:[] context term
506 let t_and_ty = Cic.Cast (term,ty) in
507 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
508 [(grafite_status#set_proof_status No_proof), parsed_text ],"",
510 | TA.Check (_,term) ->
511 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
515 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
516 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
517 let t_and_ty = Cic.Cast (term,ty) in
518 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
519 [], "", parsed_text_length
520 | TA.AutoInteractive (_, params) ->
524 | None -> raise NoUnfinishedProof
526 let proof = GrafiteTypes.get_current_proof grafite_status in
527 let proof_status = proof,user_goal' in
529 let _,menv,_,_,_,_ = proof in
530 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
531 let timestamp = Unix.gettimeofday () in
532 let (_,menv,subst,_,_,_), _ =
533 ProofEngineTypes.apply_tactic
534 (Auto.auto_tac ~dbd ~params
535 ~automation_cache:grafite_status#automation_cache)
540 CicMkImplicit.identity_relocation_list_for_metavariable cc
542 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
544 let time = Unix.gettimeofday () -. timestamp in
545 let size, depth = Auto.size_and_depth cc menv proof_term in
548 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
549 Auto.revision time size depth
552 if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
553 let proof_term, how_many_lambdas =
554 Auto.lambda_close ~prefix_name:"orrible_hack_"
558 CicTypeChecker.type_of_aux'
559 menv [] proof_term CicUniv.empty_ugraph
561 prerr_endline (CicPp.ppterm proof_term);
562 (* use declarative output *)
564 (* il proof_term vive in cc, devo metterci i lambda no? *)
565 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
567 ApplyTransformation.txt_of_cic_object
568 ~map_unicode_to_tex:(Helm_registry.get_bool
569 "matita.paste_unicode_as_tex")
570 ~skip_thm_and_qed:true
571 ~skip_initial_lambdas:how_many_lambdas
575 (* use cic2grafite *)
576 cic2grafite cc menv proof_term
578 (* alternative using FG stuff *)
579 let map_unicode_to_tex =
580 Helm_registry.get_bool "matita.paste_unicode_as_tex"
582 ApplyTransformation.procedural_txt_of_cic_term
583 ~map_unicode_to_tex 78 [] cc proof_term
585 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
586 [],text,parsed_text_length
588 ProofEngineTypes.Fail _ as exn ->
590 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
591 | TA.Inline (_, suri, params) ->
593 ApplyTransformation.txt_of_inline_macro
594 ~map_unicode_to_tex:(Helm_registry.get_bool
595 "matita.paste_unicode_as_tex")
598 [], str, String.length parsed_text
600 and eval_executable include_paths (buffer : GText.buffer) guistuff
601 grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
605 ignore (buffer#move_mark (`NAME "beginning_of_statement")
606 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
607 (Glib.Utf8.length skipped_txt))) ;
608 eval_with_engine include_paths
609 guistuff grafite_status user_goal skipped_txt nonskipped_txt
610 (TA.Executable (loc, ex))
612 MatitaTypes.Cancel -> [], "", 0
613 | GrafiteEngine.Macro (_loc,lazy_macro) ->
617 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
618 let grafite_status,macro = lazy_macro context in
619 eval_macro include_paths buffer guistuff grafite_status
620 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
621 | GrafiteEngine.NMacro (_loc,macro) ->
622 eval_nmacro include_paths buffer guistuff grafite_status
623 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
626 and eval_statement include_paths (buffer : GText.buffer) guistuff
627 grafite_status user_goal script statement
629 let (grafite_status,st), unparsed_text =
632 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
634 wrap_with_make include_paths
635 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text))
639 | `Ast (st, text) -> (grafite_status, st), text
641 let text_of_loc floc =
642 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
643 let start, stop = HExtlib.loc_of_floc floc in
644 let floc = HExtlib.floc_of_loc (0, start) in
645 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
646 let floc = HExtlib.floc_of_loc (0, stop) in
647 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
648 txt,nonskipped_txt,skipped_txt,len
651 | GrafiteParser.LNone loc ->
652 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
653 [grafite_status,parsed_text],"",
655 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
656 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
657 eval_executable include_paths buffer guistuff
658 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
659 | GrafiteParser.LSome (GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex)))
660 (*when Helm_registry.get_bool "matita.literate" *) ->
661 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
662 eval_executable include_paths buffer guistuff
663 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
664 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
665 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
666 let remain_len = String.length unparsed_text - parsed_text_length in
667 let s = String.sub unparsed_text parsed_text_length remain_len in
670 eval_statement include_paths buffer guistuff
671 grafite_status user_goal script (`Raw s)
673 HExtlib.Localized (floc, exn) ->
674 HExtlib.raise_localized_exception
675 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
676 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
678 (MultiPassDisambiguator.DisambiguationError
679 (offset+parsed_text_length, errorll))
681 assert (text=""); (* no macros inside comments, please! *)
683 | (statuses,text)::tl ->
684 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
687 let fresh_script_id =
691 class script ~(source_view: GSourceView.source_view)
692 ~(mathviewer: MatitaTypes.mathViewer)
697 let buffer = source_view#buffer in
698 let source_buffer = source_view#source_buffer in
699 let initial_statuses baseuri =
701 CicNotation2.load_notation ~include_paths:[] (new LexiconEngine.status)
702 BuildTimeConf.core_notation_script
704 let grafite_status = GrafiteSync.init lexicon_status baseuri in
707 let read_include_paths file =
709 let root, _buri, _fname, _tgt =
710 Librarian.baseuri_of_script ~include_paths:[] file
713 Str.split (Str.regexp " ")
714 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
716 List.iter (HLog.debug) rc; rc
717 with Librarian.NoRootFor _ | Not_found -> []
719 let default_buri = "cic:/matita/tests" in
720 let default_fname = ".unnamed.ma" in
722 val mutable include_paths_ = []
724 val scriptId = fresh_script_id ()
727 mathviewer = mathviewer;
728 urichooser = urichooser;
729 ask_confirmation = ask_confirmation;
732 val mutable filename_ = (None : string option)
734 method has_name = filename_ <> None
736 method include_paths =
738 Helm_registry.get_list Helm_registry.string "matita.includes"
740 method private curdir =
742 let root, _buri, _fname, _tgt =
743 Librarian.baseuri_of_script ~include_paths:self#include_paths
747 with Librarian.NoRootFor _ -> Sys.getcwd ()
749 method buri_of_current_file =
751 | None -> default_buri
754 let _root, buri, _fname, _tgt =
755 Librarian.baseuri_of_script ~include_paths:self#include_paths f
758 with Librarian.NoRootFor _ -> default_buri
760 method filename = match filename_ with None -> default_fname | Some f -> f
763 ignore (GMain.Timeout.add ~ms:300000
764 ~callback:(fun _ -> self#_saveToBackupFile ();true));
765 ignore (buffer#connect#modified_changed
766 (fun _ -> set_star buffer#modified))
768 val mutable statements = [] (** executed statements *)
770 val mutable history = [ initial_statuses default_buri ]
771 (** list of states before having executed statements. Head element of this
772 * list is the current state, last element is the state at the beginning of
774 * Invariant: this list length is 1 + length of statements *)
776 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
777 val mutable userGoal = None
779 (** text mark and tag representing locked part of a script *)
781 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
782 val beginning_of_statement_mark =
783 buffer#create_mark ~name:"beginning_of_statement"
784 ~left_gravity:true buffer#start_iter
785 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
786 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
788 method locked_mark = locked_mark
789 method locked_tag = locked_tag
790 method error_tag = error_tag
792 (* history can't be empty, the invariant above grant that it contains at
793 * least the init grafite_status *)
794 method grafite_status = match history with s::_ -> s | _ -> assert false
796 method private _advance ?statement () =
797 let s = match statement with Some s -> s | None -> self#getFuture in
798 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
799 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
800 let entries, newtext, parsed_len =
802 eval_statement self#include_paths buffer guistuff
803 self#grafite_status userGoal self (`Raw s)
804 with End_of_file -> raise Margin
806 let new_statuses, new_statements =
807 let statuses, texts = List.split entries in
810 history <- new_statuses @ history;
811 statements <- new_statements @ statements;
812 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
813 let new_text = String.concat "" (List.rev new_statements) in
814 if statement <> None then
815 buffer#insert ~iter:start new_text
817 let parsed_text = String.sub s 0 parsed_len in
818 if new_text <> parsed_text then begin
819 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
820 buffer#delete ~start ~stop;
821 buffer#insert ~iter:start new_text;
824 self#moveMark (Glib.Utf8.length new_text);
825 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
826 (* here we need to set the Goal in case we are going to cursor (or to
827 bottom) and we will face a macro *)
828 match self#grafite_status#proof_status with
829 Incomplete_proof p ->
831 (try Some (Continuationals.Stack.find_goal p.stack)
832 with Failure _ -> None)
833 | _ -> userGoal <- None
835 method private _retract offset grafite_status new_statements
838 let cur_grafite_status =
839 match history with s::_ -> s | [] -> assert false
841 LexiconSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
842 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
843 statements <- new_statements;
844 history <- new_history;
845 self#moveMark (- offset)
847 method advance ?statement () =
849 self#_advance ?statement ();
852 | Margin -> self#notify
853 | Not_found -> assert false
854 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
855 | exc -> self#notify; raise exc
859 let cmp,new_statements,new_history,grafite_status =
860 match statements,history with
861 stat::statements, _::(status::_ as history) ->
862 assert (Glib.Utf8.validate stat);
863 Glib.Utf8.length stat, statements, history, status
864 | [],[_] -> raise Margin
865 | _,_ -> assert false
867 self#_retract cmp grafite_status new_statements
871 | Margin -> self#notify
872 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
873 | exc -> self#notify; raise exc
875 method private getFuture =
876 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
877 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
880 method expandAllVirtuals =
881 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
882 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
883 buffer#delete ~start:lock ~stop:buffer#end_iter;
884 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
885 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
886 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
888 Pcre.substitute_substrings
890 let pristine = Pcre.get_substring str 0 in
892 if pristine.[0] = ' ' then
893 String.sub pristine 1 (String.length pristine -1)
897 if input.[String.length input-1] = ' ' then
898 String.sub input 0 (String.length input -1)
902 if input = "\\forall" ||
903 input = "\\lambda" ||
904 input = "\\exists" then "","" else " ", " "
907 before ^ Glib.Utf8.from_unichar
908 (snd (Virtuals.symbol_of_virtual input)) ^ after
909 with Virtuals.Not_a_virtual -> pristine)
910 ~pat:" ?\\\\[a-zA-Z]+ ?" text
912 buffer#insert ~iter:lock text
914 (** @param rel_offset relative offset from current position of locked_mark *)
915 method private moveMark rel_offset =
916 let mark = `MARK locked_mark in
917 let old_insert = buffer#get_iter_at_mark `INSERT in
918 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
919 let current_mark_pos = buffer#get_iter_at_mark mark in
921 match rel_offset with
922 | 0 -> current_mark_pos
923 | n when n > 0 -> current_mark_pos#forward_chars n
924 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
926 buffer#move_mark mark ~where:new_mark_pos;
927 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
928 buffer#move_mark `INSERT old_insert;
929 let mark_position = buffer#get_iter_at_mark mark in
930 if source_view#move_mark_onscreen mark then
932 buffer#move_mark mark mark_position;
933 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
935 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
937 method clean_dirty_lock =
938 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
939 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
940 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
942 val mutable observers = []
944 method addObserver (o: GrafiteTypes.status -> unit) =
945 observers <- o :: observers
947 method private notify =
948 let grafite_status = self#grafite_status in
949 List.iter (fun o -> o grafite_status) observers
951 method loadFromString s =
954 buffer#set_modified true
956 method loadFromFile f =
957 buffer#set_text (HExtlib.input_file f);
959 buffer#set_modified false
961 method assignFileName file =
964 | Some f -> Some (Librarian.absolutize f)
970 (match file with Some file -> read_include_paths file | None -> []);
972 Sys.chdir self#curdir;
973 HLog.debug ("Moving to " ^ Sys.getcwd ())
975 method saveToFile () =
976 if self#has_name then
977 let oc = open_out self#filename in
978 output_string oc (buffer#get_text ~start:buffer#start_iter
979 ~stop:buffer#end_iter ());
982 buffer#set_modified false
984 HLog.error "Can't save, no filename selected"
986 method private _saveToBackupFile () =
987 if buffer#modified then
989 let f = self#filename in
990 let oc = open_out f in
991 output_string oc (buffer#get_text ~start:buffer#start_iter
992 ~stop:buffer#end_iter ());
994 HLog.debug ("backup " ^ f ^ " saved")
997 method private goto_top =
999 let rec last x = function
1001 | hd::tl -> last hd tl
1003 last (self#grafite_status) history
1005 (* FIXME: this is not correct since there is no undo for
1006 * library_objects.set_default... *)
1007 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
1008 LexiconSync.time_travel ~present:self#grafite_status ~past:grafite_status
1010 method private reset_buffer =
1012 history <- [ initial_statuses self#buri_of_current_file ];
1015 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
1016 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
1020 source_buffer#begin_not_undoable_action ();
1021 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
1022 source_buffer#end_not_undoable_action ();
1023 buffer#set_modified false;
1025 method template () =
1026 let template = HExtlib.input_file BuildTimeConf.script_template in
1027 buffer#insert ~iter:(buffer#get_iter `START) template;
1028 buffer#set_modified false;
1031 method goto (pos: [`Top | `Bottom | `Cursor]) () =
1033 let old_locked_mark =
1035 (buffer#create_mark ~name:"old_locked_mark"
1036 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
1037 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
1038 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
1039 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
1042 dispose_old_locked_mark ();
1048 let rec dowhile () =
1050 let newpos = getpos () in
1051 if (getoldpos ())#compare newpos < 0 then
1053 buffer#move_mark old_locked_mark newpos;
1058 dispose_old_locked_mark ();
1061 | Margin -> dispose_old_locked_mark (); self#notify
1062 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
1064 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
1065 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
1068 (buffer#create_mark ~name:"initial_insert"
1069 ~left_gravity:true (cursor_iter ())) in
1070 let dispose_remember () = buffer#delete_mark remember in
1071 let remember_iter () =
1072 buffer#get_iter_at_mark (`NAME "initial_insert") in
1073 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1074 let icmp = cmp () in
1075 let forward_until_cursor () = (* go forward until locked > cursor *)
1078 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1081 buffer#move_mark old_locked_mark (getpos ());
1087 let rec back_until_cursor len = (* go backward until locked < cursor *)
1089 statements, ((grafite_status)::_ as history)
1091 self#_retract (icmp - len) grafite_status statements
1093 | statement::tl1, _::tl2 ->
1094 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1095 | _,_ -> assert false
1099 if icmp < 0 then (* locked < cursor *)
1100 (forward_until_cursor (); self#notify)
1101 else if icmp > 0 then (* locked > cursor *)
1102 (back_until_cursor icmp (statements,history); self#notify)
1103 else (* cursor = locked *)
1106 dispose_remember ();
1107 dispose_old_locked_mark ();
1109 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1110 | exc -> dispose_remember (); dispose_old_locked_mark ();
1111 self#notify; raise exc)
1112 with Invalid_argument "Array.make" ->
1113 HLog.error "The script is too big!\n"
1115 method onGoingProof () =
1116 match self#grafite_status#proof_status with
1117 | No_proof | Proof _ -> false
1118 | Incomplete_proof _ -> true
1119 | Intermediate _ -> assert false
1121 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1122 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1124 method proofContext =
1127 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1129 method proofConclusion =
1131 None -> assert false
1133 GrafiteTypes.get_proof_conclusion self#grafite_status n
1135 method stack = GrafiteTypes.get_stack self#grafite_status
1136 method setGoal n = userGoal <- n
1137 method goal = userGoal
1145 let rec is_there_only_comments lexicon_status s =
1146 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1147 let lexicon_status,st =
1148 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1149 ~include_paths:self#include_paths lexicon_status
1152 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1153 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1154 (* CSC: why +1 in the following lines ???? *)
1155 let parsed_text_length = parsed_text_length + 1 in
1156 let remain_len = String.length s - parsed_text_length in
1157 let next = String.sub s parsed_text_length remain_len in
1158 is_there_only_comments lexicon_status next
1159 | GrafiteParser.LNone _
1160 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1162 try is_there_only_comments self#grafite_status self#getFuture
1164 | LexiconEngine.IncludedFileNotCompiled _
1165 | HExtlib.Localized _
1166 | CicNotationParser.Parse_error _ -> false
1167 | Margin | End_of_file -> true
1168 | Invalid_argument "Array.make" -> false
1172 HLog.debug "script status:";
1173 HLog.debug ("history size: " ^ string_of_int (List.length history));
1174 HLog.debug (sprintf "%d statements:" (List.length statements));
1175 List.iter HLog.debug statements;
1176 HLog.debug ("Current file name: " ^ self#filename);
1179 let _script = ref None
1181 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1184 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1189 let current () = match !_script with None -> assert false | Some s -> s