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 res,parsed_text_length
106 let wrap_with_developments guistuff f arg =
110 | DependenciesParser.UnableToInclude what
111 | LexiconEngine.IncludedFileNotCompiled what
112 | GrafiteEngine.IncludedFileNotCompiled what as exc ->
113 let compile_needed_and_go_on d =
114 let target = Pcre.replace ~pat:"lexicon$" ~templ:"moo" what in
116 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
118 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
123 let do_nothing () = raise (ActionCancelled "Inclusion not performed") in
124 let handle_with_devel d =
125 let name = MatitamakeLib.name_for_development d in
126 let title = "Unable to include " ^ what in
128 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
129 "<i>Should I compile it and Its dependencies?</i>"
131 (match guistuff.ask_confirmation ~title ~message with
132 | `YES -> compile_needed_and_go_on d
134 | `CANCEL -> do_nothing ())
136 let handle_without_devel filename =
137 let title = "Unable to include " ^ what in
139 what ^ " is <b>not</b> handled by a development.\n" ^
140 "All dependencies are automatically solved for a development.\n\n" ^
141 "<i>Do you want to set up a development?</i>"
143 (match guistuff.ask_confirmation ~title ~message with
147 guistuff.develcreator ~containing:(Some (Filename.dirname f))
148 | None -> guistuff.develcreator ~containing:None);
151 | `CANCEL -> do_nothing())
153 match guistuff.filenamedata with
154 | None,None -> handle_without_devel None
155 | None,Some d -> handle_with_devel d
157 match MatitamakeLib.development_for_dir (Filename.dirname f) with
158 | None -> handle_without_devel (Some f)
159 | Some d -> handle_with_devel d
163 guistuff lexicon_status grafite_status user_goal
164 skipped_txt nonskipped_txt st
166 wrap_with_developments guistuff
168 guistuff lexicon_status grafite_status user_goal
169 skipped_txt nonskipped_txt) st
172 let pp_eager_statement_ast =
173 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
174 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
176 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
177 let module TAPp = GrafiteAstPp in
178 let module MQ = MetadataQuery in
179 let module MDB = LibraryDb in
180 let module CTC = CicTypeChecker in
181 let module CU = CicUniv in
182 (* no idea why ocaml wants this *)
183 let parsed_text_length = String.length parsed_text in
184 let dbd = LibraryDb.instance () in
186 let f t = ProofEngineReduction.replace
187 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
188 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
190 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
193 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x))
197 | TA.WMatch (loc, term) ->
198 let l = Whelp.match_term ~dbd term in
199 let entry = `Whelp (pp_macro mac, l) in
200 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
201 [], parsed_text_length
202 | TA.WInstance (loc, term) ->
203 let l = Whelp.instance ~dbd term in
204 let entry = `Whelp (pp_macro mac, l) in
205 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
206 [], parsed_text_length
207 | TA.WLocate (loc, s) ->
208 let l = Whelp.locate ~dbd s in
209 let entry = `Whelp (pp_macro mac, l) in
210 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
211 [], parsed_text_length
212 | TA.WElim (loc, term) ->
215 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
216 | _ -> failwith "Not a MutInd"
218 let l = Whelp.elim ~dbd uri in
219 let entry = `Whelp (pp_macro mac, l) in
220 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
221 [], parsed_text_length
222 | TA.WHint (loc, term) ->
223 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
224 let l = List.map fst (MQ.experimental_hint ~dbd s) in
225 let entry = `Whelp (pp_macro mac, l) in
226 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
227 [], parsed_text_length
233 | None -> raise NoUnfinishedProof
235 let proof = GrafiteTypes.get_current_proof grafite_status in
236 let proof_status = proof,user_goal' in
237 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
238 let selected = guistuff.urichooser l in
240 | [] -> [], parsed_text_length
242 let suri = UriManager.string_of_uri uri in
244 TA.Executable (loc, (TA.Tactical (loc,
246 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
247 Some (TA.Dot loc)))) in
249 comment parsed_text ^ "\n" ^
250 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
251 let text_len = MatitaGtkMisc.utf8_string_length text in
252 let loc = HExtlib.floc_of_loc (0,text_len) in
253 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
254 let res,_parsed_text_len =
255 eval_statement include_paths buffer guistuff lexicon_status
256 grafite_status user_goal script statement
258 (* we need to replace all the parsed_text *)
259 res,String.length parsed_text
262 "The result of the urichooser should be only 1 uri, not:\n";
264 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
267 | TA.Check (_,term) ->
268 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
272 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
273 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
274 let t_and_ty = Cic.Cast (term,ty) in
275 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
276 [], parsed_text_length
278 | TA.Quit _ -> failwith "not implemented"
279 | TA.Print (_,kind) -> failwith "not implemented"
280 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
281 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
283 and eval_executable include_paths (buffer : GText.buffer) guistuff
284 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
287 let module TAPp = GrafiteAstPp in
288 let module MD = GrafiteDisambiguator in
289 let module ML = MatitaMisc in
293 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
294 if Http_getter_storage.is_read_only u then
295 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
296 if not (Http_getter_storage.is_empty u) then
298 guistuff.ask_confirmation
299 ~title:"Baseuri redefinition"
301 "Baseuri " ^ u ^ " already exists.\n" ^
302 "Do you want to redefine the corresponding "^
303 "part of the library?")
305 | `YES -> LibraryClean.clean_baseuris [u]
307 | `CANCEL -> raise MatitaTypes.Cancel)
311 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
312 (TA.Executable (loc, ex))
314 MatitaTypes.Cancel -> [], 0
315 | GrafiteEngine.Macro (_loc,lazy_macro) ->
319 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
320 let grafite_status,macro = lazy_macro context in
321 eval_macro include_paths buffer guistuff lexicon_status grafite_status
322 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
324 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
325 grafite_status user_goal script statement
327 let (lexicon_status,st), unparsed_text =
330 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
332 wrap_with_developments guistuff
333 (GrafiteParser.parse_statement
334 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
337 | `Ast (st, text) -> (lexicon_status, st), text
339 let text_of_loc floc =
340 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
341 let start, stop = HExtlib.loc_of_floc floc in
342 let floc = HExtlib.floc_of_loc (0, start) in
343 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
344 let floc = HExtlib.floc_of_loc (0, stop) in
345 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
346 txt,nonskipped_txt,skipped_txt,len
349 | GrafiteParser.LNone loc ->
350 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
351 [(grafite_status,lexicon_status),parsed_text],
353 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
354 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
355 let remain_len = String.length unparsed_text - parsed_text_length in
356 let s = String.sub unparsed_text parsed_text_length remain_len in
359 eval_statement include_paths buffer guistuff lexicon_status
360 grafite_status user_goal script (`Raw s)
362 HExtlib.Localized (floc, exn) ->
363 HExtlib.raise_localized_exception
364 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
365 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
367 (GrafiteDisambiguator.DisambiguationError
368 (offset+parsed_text_length, errorll))
371 | (statuses,text)::tl ->
372 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
374 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
375 let _, nonskipped, skipped, parsed_text_length =
378 eval_executable include_paths buffer guistuff lexicon_status
379 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
381 let fresh_script_id =
385 class script ~(source_view: GSourceView.source_view)
386 ~(mathviewer: MatitaTypes.mathViewer)
392 let buffer = source_view#buffer in
393 let source_buffer = source_view#source_buffer in
394 let initial_statuses () =
395 (* these include_paths are used only to load the initial notation *)
397 Helm_registry.get_list Helm_registry.string "matita.includes" in
399 CicNotation2.load_notation ~include_paths
400 BuildTimeConf.core_notation_script in
401 let grafite_status = GrafiteSync.init () in
402 grafite_status,lexicon_status
405 val mutable include_paths =
406 Helm_registry.get_list Helm_registry.string "matita.includes"
408 val scriptId = fresh_script_id ()
411 mathviewer = mathviewer;
412 urichooser = urichooser;
413 ask_confirmation = ask_confirmation;
414 develcreator = develcreator;
415 filenamedata = (None, None)}
417 method private getFilename =
418 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
420 method filename = self#getFilename
422 method private ppFilename =
423 match guistuff.filenamedata with
425 | None,_ -> sprintf ".unnamed%d.ma" scriptId
428 ignore (GMain.Timeout.add ~ms:300000
429 ~callback:(fun _ -> self#_saveToBackupFile ();true));
430 ignore (buffer#connect#modified_changed
431 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
433 val mutable statements = [] (** executed statements *)
435 val mutable history = [ initial_statuses () ]
436 (** list of states before having executed statements. Head element of this
437 * list is the current state, last element is the state at the beginning of
439 * Invariant: this list length is 1 + length of statements *)
441 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
442 val mutable userGoal = None
444 (** text mark and tag representing locked part of a script *)
446 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
447 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
448 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
450 method locked_mark = locked_mark
451 method locked_tag = locked_tag
452 method error_tag = error_tag
454 (* history can't be empty, the invariant above grant that it contains at
455 * least the init grafite_status *)
456 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
457 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
459 method private _advance ?statement () =
460 let s = match statement with Some s -> s | None -> self#getFuture in
461 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
462 let (entries, parsed_len) =
464 eval_statement include_paths buffer guistuff self#lexicon_status
465 self#grafite_status userGoal self (`Raw s)
466 with End_of_file -> raise Margin
468 let new_statuses, new_statements =
469 let statuses, texts = List.split entries in
472 history <- new_statuses @ history;
473 statements <- new_statements @ statements;
474 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
475 let new_text = String.concat "" (List.rev new_statements) in
476 if statement <> None then
477 buffer#insert ~iter:start new_text
479 let parsed_text = String.sub s 0 parsed_len in
480 if new_text <> parsed_text then begin
481 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
482 buffer#delete ~start ~stop;
483 buffer#insert ~iter:start new_text;
486 self#moveMark (Glib.Utf8.length new_text);
487 (* here we need to set the Goal in case we are going to cursor (or to
488 bottom) and we will face a macro *)
489 match self#grafite_status.proof_status with
490 Incomplete_proof p ->
492 (try Some (Continuationals.Stack.find_goal p.stack)
493 with Failure _ -> None)
494 | _ -> userGoal <- None
496 method private _retract offset lexicon_status grafite_status new_statements
499 let cur_grafite_status,cur_lexicon_status =
500 match history with s::_ -> s | [] -> assert false
502 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
503 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
504 statements <- new_statements;
505 history <- new_history;
506 self#moveMark (- offset)
508 method advance ?statement () =
510 self#_advance ?statement ();
513 | Margin -> self#notify
514 | Not_found -> assert false
515 | exc -> self#notify; raise exc
519 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
520 match statements,history with
521 stat::statements, _::(status::_ as history) ->
522 assert (Glib.Utf8.validate stat);
523 Glib.Utf8.length stat, statements, history, status
524 | [],[_] -> raise Margin
525 | _,_ -> assert false
527 self#_retract cmp lexicon_status grafite_status new_statements
531 | Margin -> self#notify
532 | exc -> self#notify; raise exc
534 method private getFuture =
535 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
536 ~stop:buffer#end_iter ()
539 (** @param rel_offset relative offset from current position of locked_mark *)
540 method private moveMark rel_offset =
541 let mark = `MARK locked_mark in
542 let old_insert = buffer#get_iter_at_mark `INSERT in
543 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
544 let current_mark_pos = buffer#get_iter_at_mark mark in
546 match rel_offset with
547 | 0 -> current_mark_pos
548 | n when n > 0 -> current_mark_pos#forward_chars n
549 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
551 buffer#move_mark mark ~where:new_mark_pos;
552 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
553 buffer#move_mark `INSERT old_insert;
554 let mark_position = buffer#get_iter_at_mark mark in
555 if source_view#move_mark_onscreen mark then
557 buffer#move_mark mark mark_position;
558 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
560 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
562 method clean_dirty_lock =
563 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
564 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
565 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
567 val mutable observers = []
569 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
570 observers <- o :: observers
572 method private notify =
573 let lexicon_status = self#lexicon_status in
574 let grafite_status = self#grafite_status in
575 List.iter (fun o -> o lexicon_status grafite_status) observers
577 method loadFromFile f =
578 buffer#set_text (HExtlib.input_file f);
580 buffer#set_modified false
582 method assignFileName file =
583 let abspath = MatitaMisc.absolute_path file in
584 let dirname = Filename.dirname abspath in
585 let devel = MatitamakeLib.development_for_dir dirname in
586 guistuff.filenamedata <- Some abspath, devel;
588 match MatitamakeLib.development_for_dir dirname with
590 | Some devel -> [MatitamakeLib.root_for_development devel] in
592 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
594 include_paths <- include_
596 method saveToFile () =
597 let oc = open_out self#getFilename in
598 output_string oc (buffer#get_text ~start:buffer#start_iter
599 ~stop:buffer#end_iter ());
601 buffer#set_modified false
603 method private _saveToBackupFile () =
604 if buffer#modified then
606 let f = self#ppFilename ^ "~" in
607 let oc = open_out f in
608 output_string oc (buffer#get_text ~start:buffer#start_iter
609 ~stop:buffer#end_iter ());
611 HLog.debug ("backup " ^ f ^ " saved")
614 method private goto_top =
615 let grafite_status,lexicon_status =
616 let rec last x = function
618 | hd::tl -> last hd tl
620 last (self#grafite_status,self#lexicon_status) history
622 (* FIXME: this is not correct since there is no undo for
623 * library_objects.set_default... *)
624 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
625 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
627 method private reset_buffer =
629 history <- [ initial_statuses () ];
632 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
633 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
637 source_buffer#begin_not_undoable_action ();
638 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
639 source_buffer#end_not_undoable_action ();
640 buffer#set_modified false;
643 let template = HExtlib.input_file BuildTimeConf.script_template in
644 buffer#insert ~iter:(buffer#get_iter `START) template;
645 let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
646 guistuff.filenamedata <- (None,development);
648 match development with
650 | Some devel -> [MatitamakeLib.root_for_development devel ]
653 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
655 include_paths <- include_ ;
656 buffer#set_modified false;
657 set_star (Filename.basename self#ppFilename) false
659 method goto (pos: [`Top | `Bottom | `Cursor]) () =
660 let old_locked_mark =
662 (buffer#create_mark ~name:"old_locked_mark"
663 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
664 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
665 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
666 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
669 dispose_old_locked_mark ();
677 let newpos = getpos () in
678 if (getoldpos ())#compare newpos < 0 then
680 buffer#move_mark old_locked_mark newpos;
685 dispose_old_locked_mark ();
688 | Margin -> dispose_old_locked_mark (); self#notify
689 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
691 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
692 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
695 (buffer#create_mark ~name:"initial_insert"
696 ~left_gravity:true (cursor_iter ())) in
697 let dispose_remember () = buffer#delete_mark remember in
698 let remember_iter () =
699 buffer#get_iter_at_mark (`NAME "initial_insert") in
700 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
702 let forward_until_cursor () = (* go forward until locked > cursor *)
705 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
708 buffer#move_mark old_locked_mark (getpos ());
714 let rec back_until_cursor len = (* go backward until locked < cursor *)
716 statements, ((grafite_status,lexicon_status)::_ as history)
718 self#_retract (icmp - len) lexicon_status grafite_status statements
720 | statement::tl1, _::tl2 ->
721 back_until_cursor (len - String.length statement) (tl1,tl2)
722 | _,_ -> assert false
726 if icmp < 0 then (* locked < cursor *)
727 (forward_until_cursor (); self#notify)
728 else if icmp > 0 then (* locked > cursor *)
729 (back_until_cursor icmp (statements,history); self#notify)
730 else (* cursor = locked *)
734 dispose_old_locked_mark ();
736 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
737 | exc -> dispose_remember (); dispose_old_locked_mark ();
738 self#notify; raise exc)
740 method onGoingProof () =
741 match self#grafite_status.proof_status with
742 | No_proof | Proof _ -> false
743 | Incomplete_proof _ -> true
744 | Intermediate _ -> assert false
746 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
747 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
749 method proofContext =
752 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
754 method proofConclusion =
758 GrafiteTypes.get_proof_conclusion self#grafite_status n
760 method stack = GrafiteTypes.get_stack self#grafite_status
761 method setGoal n = userGoal <- n
762 method goal = userGoal
765 let rec is_there_only_comments lexicon_status s =
766 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
767 let lexicon_status,st =
768 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
769 ~include_paths lexicon_status
772 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
773 let _,parsed_text_length =
774 MatitaGtkMisc.utf8_parsed_text s loc
776 let remain_len = String.length s - parsed_text_length in
777 let next = String.sub s parsed_text_length remain_len in
778 is_there_only_comments lexicon_status next
779 | GrafiteParser.LNone _
780 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
783 is_there_only_comments self#lexicon_status self#getFuture
785 | HExtlib.Localized _
786 | CicNotationParser.Parse_error _ -> false
787 | Margin | End_of_file -> true
791 HLog.debug "script status:";
792 HLog.debug ("history size: " ^ string_of_int (List.length history));
793 HLog.debug (sprintf "%d statements:" (List.length statements));
794 List.iter HLog.debug statements;
795 HLog.debug ("Current file name: " ^
796 (match guistuff.filenamedata with
797 |None,_ -> "[ no name ]"
802 let _script = ref None
804 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
807 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
812 let current () = match !_script with None -> assert false | Some s -> s