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 lexicon_status grafite_status user_goal
75 skipped_txt nonskipped_txt st
77 let module TAPp = GrafiteAstPp in
78 let module DTE = DisambiguateTypes.Environment in
79 let module DP = DisambiguatePp in
80 let parsed_text_length =
81 String.length skipped_txt + String.length nonskipped_txt
83 let text = skipped_txt ^ nonskipped_txt in
84 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
85 let enriched_history_fragment =
86 MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
87 "matita.do_heavy_checks")
88 lexicon_status grafite_status (text,prefix_len,st)
90 let enriched_history_fragment = List.rev enriched_history_fragment in
94 (fun (acc, to_prepend) (status,alias) ->
96 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
97 | Some (k,((v,_) as value)) ->
98 let newtxt = DP.pp_environment (DTE.add k value DTE.empty) in
99 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
100 ([],skipped_txt) enriched_history_fragment
102 res,"",parsed_text_length
105 (* this function calls the parser in a way that it does not perform inclusions,
106 * so that we can ensure the inclusion is performed after the included file
107 * is compiled (if needed). matitac does not need that, since it compiles files
108 * in the good order, here files may be compiled on demand. *)
109 let wrap_with_make include_paths (f : GrafiteParser.statement) x =
111 f ~never_include:true ~include_paths x
113 | GrafiteParser.NoInclusionPerformed mafilename ->
114 let root, buri, _, tgt =
115 try Librarian.baseuri_of_script ~include_paths mafilename
116 with Librarian.NoRootFor _ ->
117 HLog.error ("The included file '"^mafilename^"' has no root file,");
118 HLog.error "please create it.";
119 raise (Failure ("No root file for "^mafilename))
121 let b = MatitacLib.Make.make root [tgt] in
123 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
125 (Failure ("Including: "^tgt^
126 "\nNothing to do... did you run matitadep?"))
127 else raise (Failure ("Compiling: " ^ tgt))
130 let pp_eager_statement_ast =
131 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
132 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
134 (* naive implementation of procedural proof script generation,
135 * starting from an applicatiove *auto generated) proof.
136 * this is out of place, but I like it :-P *)
137 let cic2grafite context menv t =
138 (* indents a proof script in a stupid way, better than nothing *)
139 let stupid_indenter s =
141 let idx_square_o = try String.index s '[' with Not_found -> -1 in
142 let idx_square_c = try String.index s ']' with Not_found -> -1 in
143 let idx_pipe = try String.index s '|' with Not_found -> -1 in
145 List.sort (fun (i,_) (j,_) -> compare i j)
146 [idx_square_o,'[';idx_square_c,']';idx_pipe,'|']
148 let tok = List.filter (fun (i,_) -> i <> -1) tok in
150 | (i,c)::_ -> Some (i,c)
153 let break_apply n s =
154 let tab = String.make (n+1) ' ' in
155 Pcre.replace ~templ:(".\n" ^ tab ^ "apply") ~pat:"\\.apply" s
161 | Some (position, char) ->
164 String.sub s 0 position,
165 String.sub s (position+1) (String.length s - (position+1))
168 | '[' -> break_apply n s1 ^ "\n" ^ String.make (n+2) ' ' ^
170 | '|' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
172 | ']' -> break_apply n s1 ^ "\n" ^ String.make n ' ' ^
176 Invalid_argument err ->
182 let module PT = CicNotationPt in
183 let module GA = GrafiteAst in
186 List.map (function Some (n,_) -> Some n | None -> None) context
190 let sort_of context t =
193 CicTypeChecker.type_of_aux' menv context t
194 CicUniv.oblivion_ugraph
196 let sort,_ = CicTypeChecker.type_of_aux' menv context ty
197 CicUniv.oblivion_ugraph
200 | Cic.Sort Cic.Prop -> true
203 CicTypeChecker.TypeCheckerFailure _ ->
204 HLog.error "auto proof to sript transformation error"; false
206 let floc = HExtlib.dummy_floc in
207 (* minimalisti cic.term -> pt.term *)
209 let rec aux c = function
213 | Cic.Const _ as t ->
214 PT.Ident (pp_t c t, None)
215 | Cic.Appl l -> PT.Appl (List.map (aux c) l)
216 | Cic.Implicit _ -> PT.Implicit
217 | Cic.Lambda (Cic.Name n, s, t) ->
218 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
219 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
220 | Cic.Prod (Cic.Name n, s, t) ->
221 PT.Binder (`Forall, (PT.Ident (n,None), Some (aux c s)),
222 aux (Some (Cic.Name n, Cic.Decl s)::c) t)
223 | Cic.LetIn (Cic.Name n, s, ty, t) ->
224 PT.Binder (`Lambda, (PT.Ident (n,None), Some (aux c s)),
225 aux (Some (Cic.Name n, Cic.Def (s,ty))::c) t)
226 | Cic.Meta _ -> PT.Implicit
227 | Cic.Sort (Cic.Type u) -> PT.Sort (`Type u)
228 | Cic.Sort Cic.Set -> PT.Sort `Set
229 | Cic.Sort (Cic.CProp u) -> PT.Sort (`CProp u)
230 | Cic.Sort Cic.Prop -> PT.Sort `Prop
231 | _ as t -> PT.Ident ("ERROR: "^CicPp.ppterm t, None)
235 (* prints an applicative proof, that is an auto proof.
236 * don't use in the general case! *)
237 let rec print_proof context = function
239 | Cic.Const _ as t ->
240 [GA.Executable (floc,
242 Some (GA.Apply (floc, print_term context t)), GA.Dot floc))]
243 | Cic.Appl (he::tl) ->
244 let tl = List.map (fun t -> t, sort_of context t) tl in
246 HExtlib.filter_map (function (t,true) -> Some t | _ -> None) tl
249 List.map (function | (t,true) -> Cic.Implicit None | (t,_) -> t) tl
251 if List.length subgoals > 1 then
253 [GA.Executable (floc,
255 Some (GA.Apply (floc, print_term context (Cic.Appl (he::args)))),
256 GA.Semicolon floc))] @
257 [GA.Executable (floc, GA.Tactic (floc, None, GA.Branch floc))] @
259 ~sep:[GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))]
260 (List.map (print_proof context) subgoals)) @
261 [GA.Executable (floc, GA.Tactic (floc, None,GA.Merge floc))]
264 [GA.Executable (floc,
267 (floc, print_term context (Cic.Appl (he::args)) )), GA.Dot floc))]
271 | [x] -> print_proof context x
273 | Cic.Lambda (Cic.Name n, ty, bo) ->
274 [GA.Executable (floc,
276 Some (GA.Cut (floc, Some n, (print_term context ty))),
278 (print_proof (Some (Cic.Name n, Cic.Decl ty)::context) bo) @
279 [GA.Executable (floc, GA.Tactic (floc, None,GA.Shift floc))] @
280 [GA.Executable (floc, GA.Tactic (floc,
281 Some (GA.Assumption floc),GA.Merge floc))]
284 debug_print (lazy (CicPp.ppterm t));
288 (* performs a lambda closure of the proof term abstracting metas.
289 * this is really an approximation of a closure, local subst of metas
290 * is not kept into account *)
291 let close_pt menv context t =
292 let metas = CicUtil.metas_of_term t in
294 HExtlib.list_uniq ~eq:(fun (i,_) (j,_) -> i = j)
295 (List.sort (fun (i,_) (j,_) -> compare i j) metas)
297 let mk_rels_and_collapse_metas metas =
298 let rec aux i map acc acc1 = function
299 | [] -> acc, acc1, map
301 let _,_,ty = CicUtil.lookup_meta j menv in
303 let n = List.assoc ty map in
304 aux i map (Cic.Rel n :: acc) (m::acc1) tl
306 let map = (ty, i)::map in
307 aux (i+1) map (Cic.Rel i :: acc) (m::acc1) tl
311 let rels, metas, map = mk_rels_and_collapse_metas metas in
312 let n_lambdas = List.length map in
318 ProofEngineReduction.replace_lifting
319 ~what:(List.map (fun (x,_) -> Cic.Meta (x,[])) metas)
322 ~equality:(fun _ x y ->
324 | Cic.Meta(i,_), Cic.Meta(j,_) when i=j -> true
326 ~where:(CicSubstitution.lift n_lambdas t)
328 let rec mk_lam = function
331 let name = "fresh_"^ string_of_int n in
332 Cic.Lambda (Cic.Name name, ty, mk_lam tl)
336 (fun (l,liftno) (ty,_) ->
337 (l @ [CicSubstitution.lift liftno ty,liftno] , liftno+1))
342 let ast = print_proof context (close_pt menv context t) in
344 (* ZACK: setting width to 80 will trigger a bug of BoxPp.render_to_string
345 * which will show up using the following command line:
346 * ./tptp2grafite -tptppath ~tassi/TPTP-v3.1.1 GRP170-1 *)
347 let width = max_int in
348 let term_pp content_term =
349 let pres_term = TermContentPres.pp_ast content_term in
350 let dummy_tbl = Hashtbl.create 1 in
351 let markup = CicNotationPres.render dummy_tbl pres_term in
352 let s = "(" ^ BoxPp.render_to_string
353 ~map_unicode_to_tex:(Helm_registry.get_bool
354 "matita.paste_unicode_as_tex")
355 List.hd width markup ^ ")" in
357 ~pat:"\\\\forall [Ha-z][a-z0-9_]*" ~subst:(fun x -> "\n" ^ x) s
359 CicNotationPp.set_pp_term term_pp;
360 let lazy_term_pp = fun x -> assert false in
361 let obj_pp = CicNotationPp.pp_obj CicNotationPp.pp_term in
362 GrafiteAstPp.pp_statement
363 ~map_unicode_to_tex:(Helm_registry.get_bool
364 "matita.paste_unicode_as_tex")
365 ~term_pp ~lazy_term_pp ~obj_pp t
367 let script = String.concat "" (List.map pp ast) in
368 prerr_endline script;
369 stupid_indenter script
372 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
373 let module TAPp = GrafiteAstPp in
374 let module MQ = MetadataQuery in
375 let module MDB = LibraryDb in
376 let module CTC = CicTypeChecker in
377 let module CU = CicUniv in
378 (* no idea why ocaml wants this *)
379 let parsed_text_length = String.length parsed_text in
380 let dbd = LibraryDb.instance () in
382 let f t = ProofEngineReduction.replace
383 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
384 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
386 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
389 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x)
390 ~map_unicode_to_tex:(Helm_registry.get_bool
391 "matita.paste_unicode_as_tex"))
395 | TA.WMatch (loc, term) ->
396 let l = Whelp.match_term ~dbd term in
397 let entry = `Whelp (pp_macro mac, l) in
398 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
399 [], "", parsed_text_length
400 | TA.WInstance (loc, term) ->
401 let l = Whelp.instance ~dbd term in
402 let entry = `Whelp (pp_macro mac, l) in
403 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
404 [], "", parsed_text_length
405 | TA.WLocate (loc, s) ->
406 let l = Whelp.locate ~dbd s in
407 let entry = `Whelp (pp_macro mac, l) in
408 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
409 [], "", parsed_text_length
410 | TA.WElim (loc, term) ->
413 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
414 | _ -> failwith "Not a MutInd"
416 let l = Whelp.elim ~dbd uri in
417 let entry = `Whelp (pp_macro mac, l) in
418 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
419 [], "", parsed_text_length
420 | TA.WHint (loc, term) ->
422 let s = ((None,[0,[],term], _subst, lazy (Cic.Meta (0,[])) ,term, []),0) in
423 let l = List.map fst (MQ.experimental_hint ~dbd s) in
424 let entry = `Whelp (pp_macro mac, l) in
425 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
426 [], "", parsed_text_length
428 | TA.Hint (loc, rewrite) ->
432 | None -> raise NoUnfinishedProof
434 let proof = GrafiteTypes.get_current_proof grafite_status in
435 let proof_status = proof,user_goal' in
437 let l = MQ.equations_for_goal ~dbd proof_status in
438 let l = List.filter (fun u -> not (LibraryObjects.in_eq_URIs u)) l in
439 let entry = `Whelp (pp_macro (TA.WHint(loc, Cic.Implicit None)), l) in
440 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
441 [], "", parsed_text_length
443 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
444 let selected = guistuff.urichooser l in
446 | [] -> [], "", parsed_text_length
448 let suri = UriManager.string_of_uri uri in
450 TA.Executable (loc, (TA.Tactic (loc,
451 Some (TA.Apply (loc, CicNotationPt.Uri (suri, None))),
454 comment parsed_text ^ "\n" ^
455 pp_eager_statement_ast (ast HExtlib.dummy_floc)
456 ~map_unicode_to_tex:(Helm_registry.get_bool
457 "matita.paste_unicode_as_tex")
459 let text_len = MatitaGtkMisc.utf8_string_length text in
460 let loc = HExtlib.floc_of_loc (0,text_len) in
461 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
462 let res,_,_parsed_text_len =
463 eval_statement include_paths buffer guistuff lexicon_status
464 grafite_status user_goal script statement
466 (* we need to replace all the parsed_text *)
467 res,"",String.length parsed_text
470 "The result of the urichooser should be only 1 uri, not:\n";
472 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
475 | TA.Check (_,term) ->
476 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
480 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
481 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
482 let t_and_ty = Cic.Cast (term,ty) in
483 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
484 [], "", parsed_text_length
485 | TA.AutoInteractive (_, params) ->
489 | None -> raise NoUnfinishedProof
491 let proof = GrafiteTypes.get_current_proof grafite_status in
492 let proof_status = proof,user_goal' in
494 let _,menv,_,_,_,_ = proof in
495 let i,cc,ty = CicUtil.lookup_meta user_goal' menv in
496 let timestamp = Unix.gettimeofday () in
497 let (_,menv,subst,_,_,_), _ =
498 ProofEngineTypes.apply_tactic
499 (Auto.auto_tac ~dbd ~params
500 ~universe:grafite_status.GrafiteTypes.universe) proof_status
504 CicMkImplicit.identity_relocation_list_for_metavariable cc
506 CicMetaSubst.apply_subst subst (Cic.Meta (i,irl))
508 let time = Unix.gettimeofday () -. timestamp in
509 let size, depth = Auto.size_and_depth cc menv proof_term in
512 "\n(* end auto(%s) proof: TIME=%4.2f SIZE=%d DEPTH=%d *)"
513 Auto.revision time size depth
516 if List.exists (fun (s,_) -> s = "paramodulation") (snd params) then
517 let proof_term, how_many_lambdas =
518 Auto.lambda_close ~prefix_name:"orrible_hack_"
522 CicTypeChecker.type_of_aux'
523 menv [] proof_term CicUniv.empty_ugraph
525 prerr_endline (CicPp.ppterm proof_term);
526 (* use declarative output *)
528 (* il proof_term vive in cc, devo metterci i lambda no? *)
529 (Cic.CurrentProof ("xxx",menv,proof_term,ty,[],[]))
531 ApplyTransformation.txt_of_cic_object
532 ~map_unicode_to_tex:(Helm_registry.get_bool
533 "matita.paste_unicode_as_tex")
534 ~skip_thm_and_qed:true
535 ~skip_initial_lambdas:how_many_lambdas
536 80 GrafiteAst.Declarative "" obj
539 (* use cic2grafite *)
540 cic2grafite cc menv proof_term
542 (* alternative using FG stuff *)
543 let map_unicode_to_tex =
544 Helm_registry.get_bool "matita.paste_unicode_as_tex"
546 ApplyTransformation.procedural_txt_of_cic_term
547 ~map_unicode_to_tex 78 cc proof_term
549 let text = comment parsed_text ^ "\n" ^ proof_script ^ trailer in
550 [],text,parsed_text_length
552 ProofEngineTypes.Fail _ as exn ->
554 (* [], comment parsed_text ^ "\nfail.\n", parsed_text_length *))
555 | TA.Inline (_,style,suri,prefix,flavour) ->
557 ApplyTransformation.txt_of_inline_macro
558 ~map_unicode_to_tex:(Helm_registry.get_bool
559 "matita.paste_unicode_as_tex")
560 style ?flavour prefix suri
562 [], str, String.length parsed_text
564 and eval_executable include_paths (buffer : GText.buffer) guistuff
565 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
568 let module TAPp = GrafiteAstPp in
569 let module MD = GrafiteDisambiguator in
570 let module ML = MatitaMisc in
572 ignore (buffer#move_mark (`NAME "beginning_of_statement")
573 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
574 (Glib.Utf8.length skipped_txt))) ;
575 eval_with_engine include_paths
576 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
577 (TA.Executable (loc, ex))
579 MatitaTypes.Cancel -> [], "", 0
580 | GrafiteEngine.Macro (_loc,lazy_macro) ->
584 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
585 let grafite_status,macro = lazy_macro context in
586 eval_macro include_paths buffer guistuff lexicon_status grafite_status
587 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
589 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
590 grafite_status user_goal script statement
592 let (lexicon_status,st), unparsed_text =
595 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
597 wrap_with_make include_paths
598 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text)) lexicon_status
601 | `Ast (st, text) -> (lexicon_status, st), text
603 let text_of_loc floc =
604 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
605 let start, stop = HExtlib.loc_of_floc floc in
606 let floc = HExtlib.floc_of_loc (0, start) in
607 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
608 let floc = HExtlib.floc_of_loc (0, stop) in
609 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
610 txt,nonskipped_txt,skipped_txt,len
613 | GrafiteParser.LNone loc ->
614 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
615 [(grafite_status,lexicon_status),parsed_text],"",
617 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
618 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
619 let remain_len = String.length unparsed_text - parsed_text_length in
620 let s = String.sub unparsed_text parsed_text_length remain_len in
623 eval_statement include_paths buffer guistuff lexicon_status
624 grafite_status user_goal script (`Raw s)
626 HExtlib.Localized (floc, exn) ->
627 HExtlib.raise_localized_exception
628 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
629 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
631 (GrafiteDisambiguator.DisambiguationError
632 (offset+parsed_text_length, errorll))
634 assert (text=""); (* no macros inside comments, please! *)
636 | (statuses,text)::tl ->
637 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
639 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
640 let _, nonskipped, skipped, parsed_text_length =
643 eval_executable include_paths buffer guistuff lexicon_status
644 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
646 let fresh_script_id =
650 class script ~(source_view: GSourceView.source_view)
651 ~(mathviewer: MatitaTypes.mathViewer)
656 let buffer = source_view#buffer in
657 let source_buffer = source_view#source_buffer in
658 let initial_statuses baseuri =
660 CicNotation2.load_notation ~include_paths:[]
661 BuildTimeConf.core_notation_script
663 let grafite_status = GrafiteSync.init baseuri in
664 grafite_status,lexicon_status
666 let read_include_paths file =
668 let root, _buri, _fname, _tgt =
669 Librarian.baseuri_of_script ~include_paths:[] file
672 Str.split (Str.regexp " ")
673 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
675 List.iter (HLog.debug) rc; rc
676 with Librarian.NoRootFor _ | Not_found -> []
678 let default_buri = "cic:/matita/tests" in
679 let default_fname = ".unnamed.ma" in
681 val mutable include_paths_ = []
683 val scriptId = fresh_script_id ()
686 mathviewer = mathviewer;
687 urichooser = urichooser;
688 ask_confirmation = ask_confirmation;
691 val mutable filename_ = (None : string option)
693 method has_name = filename_ <> None
695 method include_paths =
697 Helm_registry.get_list Helm_registry.string "matita.includes"
699 method private curdir =
701 let root, _buri, _fname, _tgt =
702 Librarian.baseuri_of_script ~include_paths:self#include_paths
706 with Librarian.NoRootFor _ -> Sys.getcwd ()
708 method buri_of_current_file =
710 | None -> default_buri
713 let _root, buri, _fname, _tgt =
714 Librarian.baseuri_of_script ~include_paths:self#include_paths f
717 with Librarian.NoRootFor _ -> default_buri
719 method filename = match filename_ with None -> default_fname | Some f -> f
722 ignore (GMain.Timeout.add ~ms:300000
723 ~callback:(fun _ -> self#_saveToBackupFile ();true));
724 ignore (buffer#connect#modified_changed
725 (fun _ -> set_star buffer#modified))
727 val mutable statements = [] (** executed statements *)
729 val mutable history = [ initial_statuses default_buri ]
730 (** list of states before having executed statements. Head element of this
731 * list is the current state, last element is the state at the beginning of
733 * Invariant: this list length is 1 + length of statements *)
735 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
736 val mutable userGoal = None
738 (** text mark and tag representing locked part of a script *)
740 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
741 val beginning_of_statement_mark =
742 buffer#create_mark ~name:"beginning_of_statement"
743 ~left_gravity:true buffer#start_iter
744 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
745 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
747 method locked_mark = locked_mark
748 method locked_tag = locked_tag
749 method error_tag = error_tag
751 (* history can't be empty, the invariant above grant that it contains at
752 * least the init grafite_status *)
753 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
754 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
756 method private _advance ?statement () =
757 let s = match statement with Some s -> s | None -> self#getFuture in
758 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
759 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
760 let entries, newtext, parsed_len =
762 eval_statement self#include_paths buffer guistuff self#lexicon_status
763 self#grafite_status userGoal self (`Raw s)
764 with End_of_file -> raise Margin
766 let new_statuses, new_statements =
767 let statuses, texts = List.split entries in
770 history <- new_statuses @ history;
771 statements <- new_statements @ statements;
772 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
773 let new_text = String.concat "" (List.rev new_statements) in
774 if statement <> None then
775 buffer#insert ~iter:start new_text
777 let parsed_text = String.sub s 0 parsed_len in
778 if new_text <> parsed_text then begin
779 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
780 buffer#delete ~start ~stop;
781 buffer#insert ~iter:start new_text;
784 self#moveMark (Glib.Utf8.length new_text);
785 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
786 (* here we need to set the Goal in case we are going to cursor (or to
787 bottom) and we will face a macro *)
788 match self#grafite_status.proof_status with
789 Incomplete_proof p ->
791 (try Some (Continuationals.Stack.find_goal p.stack)
792 with Failure _ -> None)
793 | _ -> userGoal <- None
795 method private _retract offset lexicon_status grafite_status new_statements
798 let cur_grafite_status,cur_lexicon_status =
799 match history with s::_ -> s | [] -> assert false
801 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
802 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
803 statements <- new_statements;
804 history <- new_history;
805 self#moveMark (- offset)
807 method advance ?statement () =
809 self#_advance ?statement ();
812 | Margin -> self#notify
813 | Not_found -> assert false
814 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
815 | exc -> self#notify; raise exc
819 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
820 match statements,history with
821 stat::statements, _::(status::_ as history) ->
822 assert (Glib.Utf8.validate stat);
823 Glib.Utf8.length stat, statements, history, status
824 | [],[_] -> raise Margin
825 | _,_ -> assert false
827 self#_retract cmp lexicon_status grafite_status new_statements
831 | Margin -> self#notify
832 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
833 | exc -> self#notify; raise exc
835 method private getFuture =
836 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
837 ~stop:buffer#end_iter ()
840 (** @param rel_offset relative offset from current position of locked_mark *)
841 method private moveMark rel_offset =
842 let mark = `MARK locked_mark in
843 let old_insert = buffer#get_iter_at_mark `INSERT in
844 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
845 let current_mark_pos = buffer#get_iter_at_mark mark in
847 match rel_offset with
848 | 0 -> current_mark_pos
849 | n when n > 0 -> current_mark_pos#forward_chars n
850 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
852 buffer#move_mark mark ~where:new_mark_pos;
853 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
854 buffer#move_mark `INSERT old_insert;
855 let mark_position = buffer#get_iter_at_mark mark in
856 if source_view#move_mark_onscreen mark then
858 buffer#move_mark mark mark_position;
859 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
861 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
863 method clean_dirty_lock =
864 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
865 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
866 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
868 val mutable observers = []
870 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
871 observers <- o :: observers
873 method private notify =
874 let lexicon_status = self#lexicon_status in
875 let grafite_status = self#grafite_status in
876 List.iter (fun o -> o lexicon_status grafite_status) observers
878 method loadFromString s =
881 buffer#set_modified true
883 method loadFromFile f =
884 buffer#set_text (HExtlib.input_file f);
886 buffer#set_modified false
888 method assignFileName file =
891 | Some f -> Some (Librarian.absolutize f)
897 (match file with Some file -> read_include_paths file | None -> []);
899 Sys.chdir self#curdir;
900 HLog.debug ("Moving to " ^ Sys.getcwd ())
902 method saveToFile () =
903 if self#has_name then
904 let oc = open_out self#filename in
905 output_string oc (buffer#get_text ~start:buffer#start_iter
906 ~stop:buffer#end_iter ());
909 buffer#set_modified false
911 HLog.error "Can't save, no filename selected"
913 method private _saveToBackupFile () =
914 if buffer#modified then
916 let f = self#filename in
917 let oc = open_out f in
918 output_string oc (buffer#get_text ~start:buffer#start_iter
919 ~stop:buffer#end_iter ());
921 HLog.debug ("backup " ^ f ^ " saved")
924 method private goto_top =
925 let grafite_status,lexicon_status =
926 let rec last x = function
928 | hd::tl -> last hd tl
930 last (self#grafite_status,self#lexicon_status) history
932 (* FIXME: this is not correct since there is no undo for
933 * library_objects.set_default... *)
934 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
935 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
937 method private reset_buffer =
939 history <- [ initial_statuses self#buri_of_current_file ];
942 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
943 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
947 source_buffer#begin_not_undoable_action ();
948 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
949 source_buffer#end_not_undoable_action ();
950 buffer#set_modified false;
953 let template = HExtlib.input_file BuildTimeConf.script_template in
954 buffer#insert ~iter:(buffer#get_iter `START) template;
955 buffer#set_modified false;
958 method goto (pos: [`Top | `Bottom | `Cursor]) () =
960 let old_locked_mark =
962 (buffer#create_mark ~name:"old_locked_mark"
963 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
964 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
965 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
966 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
969 dispose_old_locked_mark ();
977 let newpos = getpos () in
978 if (getoldpos ())#compare newpos < 0 then
980 buffer#move_mark old_locked_mark newpos;
985 dispose_old_locked_mark ();
988 | Margin -> dispose_old_locked_mark (); self#notify
989 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
991 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
992 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
995 (buffer#create_mark ~name:"initial_insert"
996 ~left_gravity:true (cursor_iter ())) in
997 let dispose_remember () = buffer#delete_mark remember in
998 let remember_iter () =
999 buffer#get_iter_at_mark (`NAME "initial_insert") in
1000 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
1001 let icmp = cmp () in
1002 let forward_until_cursor () = (* go forward until locked > cursor *)
1005 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
1008 buffer#move_mark old_locked_mark (getpos ());
1014 let rec back_until_cursor len = (* go backward until locked < cursor *)
1016 statements, ((grafite_status,lexicon_status)::_ as history)
1018 self#_retract (icmp - len) lexicon_status grafite_status statements
1020 | statement::tl1, _::tl2 ->
1021 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
1022 | _,_ -> assert false
1026 if icmp < 0 then (* locked < cursor *)
1027 (forward_until_cursor (); self#notify)
1028 else if icmp > 0 then (* locked > cursor *)
1029 (back_until_cursor icmp (statements,history); self#notify)
1030 else (* cursor = locked *)
1033 dispose_remember ();
1034 dispose_old_locked_mark ();
1036 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
1037 | exc -> dispose_remember (); dispose_old_locked_mark ();
1038 self#notify; raise exc)
1039 with Invalid_argument "Array.make" ->
1040 HLog.error "The script is too big!\n"
1042 method onGoingProof () =
1043 match self#grafite_status.proof_status with
1044 | No_proof | Proof _ -> false
1045 | Incomplete_proof _ -> true
1046 | Intermediate _ -> assert false
1048 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
1049 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
1051 method proofContext =
1054 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
1056 method proofConclusion =
1058 None -> assert false
1060 GrafiteTypes.get_proof_conclusion self#grafite_status n
1062 method stack = GrafiteTypes.get_stack self#grafite_status
1063 method setGoal n = userGoal <- n
1064 method goal = userGoal
1072 let rec is_there_only_comments lexicon_status s =
1073 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1074 let lexicon_status,st =
1075 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
1076 ~include_paths:self#include_paths lexicon_status
1079 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
1080 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1081 (* CSC: why +1 in the following lines ???? *)
1082 let parsed_text_length = parsed_text_length + 1 in
1083 let remain_len = String.length s - parsed_text_length in
1084 let next = String.sub s parsed_text_length remain_len in
1085 is_there_only_comments lexicon_status next
1086 | GrafiteParser.LNone _
1087 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
1090 is_there_only_comments self#lexicon_status self#getFuture
1092 | LexiconEngine.IncludedFileNotCompiled _
1093 | HExtlib.Localized _
1094 | CicNotationParser.Parse_error _ -> false
1095 | Margin | End_of_file -> true
1096 | Invalid_argument "Array.make" -> false
1100 HLog.debug "script status:";
1101 HLog.debug ("history size: " ^ string_of_int (List.length history));
1102 HLog.debug (sprintf "%d statements:" (List.length statements));
1103 List.iter HLog.debug statements;
1104 HLog.debug ("Current file name: " ^ self#filename);
1107 let _script = ref None
1109 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
1112 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
1117 let current () = match !_script with None -> assert false | Some s -> s