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"
51 if Pcre.pmatch ~rex:multiline_RE str then
52 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
54 "\n(**\n" ^ str ^ "\n*)"
57 let s = Pcre.replace ~rex:heading_nl_RE s in
59 let nl_pos = String.index s '\n' in
63 (** creates a statement AST for the Goal tactic, e.g. "goal 7" *)
65 let module A = GrafiteAst in
66 let loc = HExtlib.dummy_floc in
67 A.Executable (loc, A.Tactical (loc,
68 A.Tactic (loc, A.Goal (loc, n)),
72 mathviewer:MatitaTypes.mathViewer;
73 urichooser: UriManager.uri list -> UriManager.uri list;
74 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
75 develcreator: containing:string option -> unit;
76 mutable filenamedata: string option * MatitamakeLib.development option
79 let eval_with_engine guistuff lexicon_status grafite_status user_goal
80 skipped_txt nonskipped_txt st
82 let module TAPp = GrafiteAstPp in
83 let module DTE = DisambiguateTypes.Environment in
84 let module DP = DisambiguatePp in
85 let parsed_text_length =
86 String.length skipped_txt + String.length nonskipped_txt
88 let enriched_history_fragment =
89 MatitaEngine.eval_ast ~do_heavy_checks:true
90 lexicon_status grafite_status st
92 let enriched_history_fragment = List.rev enriched_history_fragment in
96 (fun (acc, to_prepend) (status,alias) ->
98 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
99 | Some (k,((v,_) as value)) ->
100 let newtxt = DP.pp_environment (DTE.add k value DTE.empty) in
101 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
102 ([],skipped_txt) enriched_history_fragment
104 let res = (*List.combine (List.map fst (List.rev enriched_history_fragment))
106 res,parsed_text_length
108 let wrap_with_developments guistuff f arg =
112 | DependenciesParser.UnableToInclude what
113 | LexiconEngine.IncludedFileNotCompiled what
114 | GrafiteEngine.IncludedFileNotCompiled what as exc ->
115 let compile_needed_and_go_on d =
116 let target = Pcre.replace ~pat:"lexicon$" ~templ:"moo" what in
118 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
120 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
125 let do_nothing () = raise (ActionCancelled "Inclusion not performed") in
126 let handle_with_devel d =
127 let name = MatitamakeLib.name_for_development d in
128 let title = "Unable to include " ^ what in
130 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
131 "<i>Should I compile it and Its dependencies?</i>"
133 (match guistuff.ask_confirmation ~title ~message with
134 | `YES -> compile_needed_and_go_on d
136 | `CANCEL -> do_nothing ())
138 let handle_without_devel filename =
139 let title = "Unable to include " ^ what in
141 what ^ " is <b>not</b> handled by a development.\n" ^
142 "All dependencies are automatically solved for a development.\n\n" ^
143 "<i>Do you want to set up a development?</i>"
145 (match guistuff.ask_confirmation ~title ~message with
149 guistuff.develcreator ~containing:(Some (Filename.dirname f))
150 | None -> guistuff.develcreator ~containing:None);
153 | `CANCEL -> do_nothing())
155 match guistuff.filenamedata with
156 | None,None -> handle_without_devel None
157 | None,Some d -> handle_with_devel d
159 match MatitamakeLib.development_for_dir (Filename.dirname f) with
160 | None -> handle_without_devel (Some f)
161 | Some d -> handle_with_devel d
165 guistuff lexicon_status grafite_status user_goal
166 skipped_txt nonskipped_txt st
168 wrap_with_developments guistuff
170 guistuff lexicon_status grafite_status user_goal
171 skipped_txt nonskipped_txt) st
174 let pp_eager_statement_ast =
175 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
176 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
178 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
179 let module TAPp = GrafiteAstPp in
180 let module MQ = MetadataQuery in
181 let module MDB = LibraryDb in
182 let module CTC = CicTypeChecker in
183 let module CU = CicUniv in
184 (* no idea why ocaml wants this *)
185 let parsed_text_length = String.length parsed_text in
186 let dbd = LibraryDb.instance () in
188 let f t = ProofEngineReduction.replace
189 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
190 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
192 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
195 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x))
199 | TA.WMatch (loc, term) ->
200 let l = Whelp.match_term ~dbd term in
201 let entry = `Whelp (pp_macro mac, l) in
202 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
203 [], parsed_text_length
204 | TA.WInstance (loc, term) ->
205 let l = Whelp.instance ~dbd term in
206 let entry = `Whelp (pp_macro mac, l) in
207 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
208 [], parsed_text_length
209 | TA.WLocate (loc, s) ->
210 let l = Whelp.locate ~dbd s in
211 let entry = `Whelp (pp_macro mac, l) in
212 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
213 [], parsed_text_length
214 | TA.WElim (loc, term) ->
217 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
218 | _ -> failwith "Not a MutInd"
220 let l = Whelp.elim ~dbd uri in
221 let entry = `Whelp (pp_macro mac, l) in
222 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
223 [], parsed_text_length
224 | TA.WHint (loc, term) ->
225 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
226 let l = List.map fst (MQ.experimental_hint ~dbd s) in
227 let entry = `Whelp (pp_macro mac, l) in
228 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
229 [], parsed_text_length
235 | None -> raise NoUnfinishedProof
237 let proof = GrafiteTypes.get_current_proof grafite_status in
238 let proof_status = proof,user_goal' in
239 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
240 let selected = guistuff.urichooser l in
242 | [] -> [], parsed_text_length
244 let suri = UriManager.string_of_uri uri in
246 TA.Executable (loc, (TA.Tactical (loc,
248 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
249 Some (TA.Dot loc)))) in
251 comment parsed_text ^ "\n" ^
252 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
253 let text_len = MatitaGtkMisc.utf8_string_length text in
254 let loc = HExtlib.floc_of_loc (0,text_len) in
255 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
256 let res,_parsed_text_len =
257 eval_statement include_paths buffer guistuff lexicon_status
258 grafite_status user_goal script statement
260 (* we need to replace all the parsed_text *)
261 res,String.length parsed_text
264 "The result of the urichooser should be only 1 uri, not:\n";
266 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
269 | TA.Check (_,term) ->
270 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
274 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
275 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
276 let t_and_ty = Cic.Cast (term,ty) in
277 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
278 [], parsed_text_length
280 | TA.Quit _ -> failwith "not implemented"
281 | TA.Print (_,kind) -> failwith "not implemented"
282 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
283 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
285 and eval_executable include_paths (buffer : GText.buffer) guistuff
286 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
289 let module TAPp = GrafiteAstPp in
290 let module MD = GrafiteDisambiguator in
291 let module ML = MatitaMisc in
295 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
296 if Http_getter_storage.is_read_only u then
297 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
298 if not (Http_getter_storage.is_empty u) then
300 guistuff.ask_confirmation
301 ~title:"Baseuri redefinition"
303 "Baseuri " ^ u ^ " already exists.\n" ^
304 "Do you want to redefine the corresponding "^
305 "part of the library?")
307 | `YES -> LibraryClean.clean_baseuris [u]
309 | `CANCEL -> raise MatitaTypes.Cancel)
313 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
314 (TA.Executable (loc, ex))
316 MatitaTypes.Cancel -> [], 0
317 | GrafiteEngine.Macro (_loc,lazy_macro) ->
321 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
322 let grafite_status,macro = lazy_macro context in
323 eval_macro include_paths buffer guistuff lexicon_status grafite_status
324 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
326 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
327 grafite_status user_goal script statement
329 let (lexicon_status,st), unparsed_text =
332 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
334 wrap_with_developments guistuff
335 (GrafiteParser.parse_statement
336 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
339 | `Ast (st, text) -> (lexicon_status, st), text
341 let text_of_loc floc =
342 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
343 let start, stop = HExtlib.loc_of_floc floc in
344 let floc = HExtlib.floc_of_loc (0, start) in
345 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
346 let floc = HExtlib.floc_of_loc (0, stop) in
347 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
348 txt,nonskipped_txt,skipped_txt,len
351 | GrafiteParser.LNone loc ->
352 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
353 [(grafite_status,lexicon_status),parsed_text],
355 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
356 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
357 let remain_len = String.length unparsed_text - parsed_text_length in
358 let s = String.sub unparsed_text parsed_text_length remain_len in
361 eval_statement include_paths buffer guistuff lexicon_status
362 grafite_status user_goal script (`Raw s)
364 HExtlib.Localized (floc, exn) ->
365 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
366 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
368 (GrafiteDisambiguator.DisambiguationError
369 (offset+parsed_text_length, errorll))
372 | (statuses,text)::tl ->
373 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
375 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
376 let _, nonskipped, skipped, parsed_text_length =
379 eval_executable include_paths buffer guistuff lexicon_status
380 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
382 let fresh_script_id =
386 class script ~(source_view: GSourceView.source_view)
387 ~(mathviewer: MatitaTypes.mathViewer)
393 let buffer = source_view#buffer in
394 let source_buffer = source_view#source_buffer in
395 let initial_statuses () =
396 (* these include_paths are used only to load the initial notation *)
398 Helm_registry.get_list Helm_registry.string "matita.includes" in
400 CicNotation2.load_notation ~include_paths
401 BuildTimeConf.core_notation_script in
402 let grafite_status = GrafiteSync.init () in
403 grafite_status,lexicon_status
406 val mutable include_paths =
407 Helm_registry.get_list Helm_registry.string "matita.includes"
409 val scriptId = fresh_script_id ()
412 mathviewer = mathviewer;
413 urichooser = urichooser;
414 ask_confirmation = ask_confirmation;
415 develcreator = develcreator;
416 filenamedata = (None, None)}
418 method private getFilename =
419 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
421 method filename = self#getFilename
423 method private ppFilename =
424 match guistuff.filenamedata with
426 | None,_ -> sprintf ".unnamed%d.ma" scriptId
429 ignore (GMain.Timeout.add ~ms:300000
430 ~callback:(fun _ -> self#_saveToBackupFile ();true));
431 ignore (buffer#connect#modified_changed
432 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
434 val mutable statements = [] (** executed statements *)
436 val mutable history = [ initial_statuses () ]
437 (** list of states before having executed statements. Head element of this
438 * list is the current state, last element is the state at the beginning of
440 * Invariant: this list length is 1 + length of statements *)
442 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
443 val mutable userGoal = None
445 (** text mark and tag representing locked part of a script *)
447 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
448 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
449 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
451 method locked_mark = locked_mark
452 method locked_tag = locked_tag
453 method error_tag = error_tag
455 (* history can't be empty, the invariant above grant that it contains at
456 * least the init grafite_status *)
457 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
458 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
460 method private _advance ?statement () =
461 let s = match statement with Some s -> s | None -> self#getFuture in
462 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
463 let (entries, parsed_len) =
465 eval_statement include_paths buffer guistuff self#lexicon_status
466 self#grafite_status userGoal self (`Raw s)
467 with End_of_file -> raise Margin
469 let new_statuses, new_statements =
470 let statuses, texts = List.split entries in
473 history <- new_statuses @ history;
474 statements <- new_statements @ statements;
475 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
476 let new_text = String.concat "" (List.rev new_statements) in
477 if statement <> None then
478 buffer#insert ~iter:start new_text
480 let parsed_text = String.sub s 0 parsed_len in
481 if new_text <> parsed_text then begin
482 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
483 buffer#delete ~start ~stop;
484 buffer#insert ~iter:start new_text;
487 self#moveMark (Glib.Utf8.length new_text);
488 (* here we need to set the Goal in case we are going to cursor (or to
489 bottom) and we will face a macro *)
490 match self#grafite_status.proof_status with
491 Incomplete_proof p ->
493 (try Some (Continuationals.Stack.find_goal p.stack)
494 with Failure _ -> None)
495 | _ -> userGoal <- None
497 method private _retract offset lexicon_status grafite_status new_statements
500 let cur_grafite_status,cur_lexicon_status =
501 match history with s::_ -> s | [] -> assert false
503 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
504 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
505 statements <- new_statements;
506 history <- new_history;
507 self#moveMark (- offset)
509 method advance ?statement () =
511 self#_advance ?statement ();
514 | Margin -> self#notify
515 | Not_found -> assert false
516 | exc -> self#notify; raise exc
520 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
521 match statements,history with
522 stat::statements, _::(status::_ as history) ->
523 assert (Glib.Utf8.validate stat);
524 Glib.Utf8.length stat, statements, history, status
525 | [],[_] -> raise Margin
526 | _,_ -> assert false
528 self#_retract cmp lexicon_status grafite_status new_statements
532 | Margin -> self#notify
533 | exc -> self#notify; raise exc
535 method private getFuture =
536 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
537 ~stop:buffer#end_iter ()
540 (** @param rel_offset relative offset from current position of locked_mark *)
541 method private moveMark rel_offset =
542 let mark = `MARK locked_mark in
543 let old_insert = buffer#get_iter_at_mark `INSERT in
544 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
545 let current_mark_pos = buffer#get_iter_at_mark mark in
547 match rel_offset with
548 | 0 -> current_mark_pos
549 | n when n > 0 -> current_mark_pos#forward_chars n
550 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
552 buffer#move_mark mark ~where:new_mark_pos;
553 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
554 buffer#move_mark `INSERT old_insert;
555 let mark_position = buffer#get_iter_at_mark mark in
556 if source_view#move_mark_onscreen mark then
558 buffer#move_mark mark mark_position;
559 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
561 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
563 method clean_dirty_lock =
564 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
565 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
566 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
568 val mutable observers = []
570 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
571 observers <- o :: observers
573 method private notify =
574 let lexicon_status = self#lexicon_status in
575 let grafite_status = self#grafite_status in
576 List.iter (fun o -> o lexicon_status grafite_status) observers
578 method loadFromFile f =
579 buffer#set_text (HExtlib.input_file f);
581 buffer#set_modified false
583 method assignFileName file =
584 let abspath = MatitaMisc.absolute_path file in
585 let dirname = Filename.dirname abspath in
586 let devel = MatitamakeLib.development_for_dir dirname in
587 guistuff.filenamedata <- Some abspath, devel;
589 match MatitamakeLib.development_for_dir dirname with
591 | Some devel -> [MatitamakeLib.root_for_development devel] in
593 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
595 include_paths <- include_
597 method saveToFile () =
598 let oc = open_out self#getFilename in
599 output_string oc (buffer#get_text ~start:buffer#start_iter
600 ~stop:buffer#end_iter ());
602 buffer#set_modified false
604 method private _saveToBackupFile () =
605 if buffer#modified then
607 let f = self#ppFilename ^ "~" in
608 let oc = open_out f in
609 output_string oc (buffer#get_text ~start:buffer#start_iter
610 ~stop:buffer#end_iter ());
612 HLog.debug ("backup " ^ f ^ " saved")
615 method private goto_top =
616 let grafite_status,lexicon_status =
617 let rec last x = function
619 | hd::tl -> last hd tl
621 last (self#grafite_status,self#lexicon_status) history
623 (* FIXME: this is not correct since there is no undo for
624 * library_objects.set_default... *)
625 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
626 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
628 method private reset_buffer =
630 history <- [ initial_statuses () ];
633 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
634 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
638 source_buffer#begin_not_undoable_action ();
639 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
640 source_buffer#end_not_undoable_action ();
641 buffer#set_modified false;
644 let template = HExtlib.input_file BuildTimeConf.script_template in
645 buffer#insert ~iter:(buffer#get_iter `START) template;
646 let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
647 guistuff.filenamedata <- (None,development);
649 match development with
651 | Some devel -> [MatitamakeLib.root_for_development devel ]
654 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
656 include_paths <- include_ ;
657 buffer#set_modified false;
658 set_star (Filename.basename self#ppFilename) false
660 method goto (pos: [`Top | `Bottom | `Cursor]) () =
661 let old_locked_mark =
663 (buffer#create_mark ~name:"old_locked_mark"
664 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
665 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
666 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
667 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
670 dispose_old_locked_mark ();
678 let newpos = getpos () in
679 if (getoldpos ())#compare newpos < 0 then
681 buffer#move_mark old_locked_mark newpos;
686 dispose_old_locked_mark ();
689 | Margin -> dispose_old_locked_mark (); self#notify
690 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
692 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
693 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
696 (buffer#create_mark ~name:"initial_insert"
697 ~left_gravity:true (cursor_iter ())) in
698 let dispose_remember () = buffer#delete_mark remember in
699 let remember_iter () =
700 buffer#get_iter_at_mark (`NAME "initial_insert") in
701 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
703 let forward_until_cursor () = (* go forward until locked > cursor *)
706 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
709 buffer#move_mark old_locked_mark (getpos ());
715 let rec back_until_cursor len = (* go backward until locked < cursor *)
717 statements, ((grafite_status,lexicon_status)::_ as history)
719 self#_retract (icmp - len) lexicon_status grafite_status statements
721 | statement::tl1, _::tl2 ->
722 back_until_cursor (len - String.length statement) (tl1,tl2)
723 | _,_ -> assert false
727 if icmp < 0 then (* locked < cursor *)
728 (forward_until_cursor (); self#notify)
729 else if icmp > 0 then (* locked > cursor *)
730 (back_until_cursor icmp (statements,history); self#notify)
731 else (* cursor = locked *)
735 dispose_old_locked_mark ();
737 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
738 | exc -> dispose_remember (); dispose_old_locked_mark ();
739 self#notify; raise exc)
741 method onGoingProof () =
742 match self#grafite_status.proof_status with
743 | No_proof | Proof _ -> false
744 | Incomplete_proof _ -> true
745 | Intermediate _ -> assert false
747 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
748 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
750 method proofContext =
753 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
755 method proofConclusion =
759 GrafiteTypes.get_proof_conclusion self#grafite_status n
761 method stack = GrafiteTypes.get_stack self#grafite_status
762 method setGoal n = userGoal <- n
763 method goal = userGoal
766 let rec is_there_only_comments lexicon_status s =
767 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
768 let lexicon_status,st =
769 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
770 ~include_paths lexicon_status
773 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
774 let _,parsed_text_length =
775 MatitaGtkMisc.utf8_parsed_text s loc
777 let remain_len = String.length s - parsed_text_length in
778 let next = String.sub s parsed_text_length remain_len in
779 is_there_only_comments lexicon_status next
780 | GrafiteParser.LNone _
781 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
784 is_there_only_comments self#lexicon_status self#getFuture
786 | HExtlib.Localized _
787 | CicNotationParser.Parse_error _ -> false
788 | Margin | End_of_file -> true
792 HLog.debug "script status:";
793 HLog.debug ("history size: " ^ string_of_int (List.length history));
794 HLog.debug (sprintf "%d statements:" (List.length statements));
795 List.iter HLog.debug statements;
796 HLog.debug ("Current file name: " ^
797 (match guistuff.filenamedata with
798 |None,_ -> "[ no name ]"
803 let _script = ref None
805 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
808 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
813 let current () = match !_script with None -> assert false | Some s -> s