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
40 let safe_substring s i j =
41 try String.sub s i j with Invalid_argument _ -> assert false
43 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
44 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)((.|\n)*)"
45 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
46 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
47 let newline_RE = Pcre.regexp "\n"
50 if Pcre.pmatch ~rex:multiline_RE str then
51 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
53 "\n(**\n" ^ str ^ "\n*)"
56 let s = Pcre.replace ~rex:heading_nl_RE s in
58 let nl_pos = String.index s '\n' in
62 (** creates a statement AST for the Goal tactic, e.g. "goal 7" *)
64 let module A = GrafiteAst in
65 let loc = HExtlib.dummy_floc in
66 A.Executable (loc, A.Tactical (loc,
67 A.Tactic (loc, A.Goal (loc, n)),
71 mathviewer:MatitaTypes.mathViewer;
72 urichooser: UriManager.uri list -> UriManager.uri list;
73 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
74 develcreator: containing:string option -> unit;
75 mutable filenamedata: string option * MatitamakeLib.development option
78 let eval_with_engine guistuff lexicon_status grafite_status user_goal
81 let module TAPp = GrafiteAstPp in
82 let parsed_text_length = String.length parsed_text in
84 match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in
85 let initial_space,parsed_text =
87 let pieces = Pcre.extract ~rex:heading_nl_RE' parsed_text in
88 pieces.(1), pieces.(2)
90 Not_found -> "", parsed_text in
91 let inital_space,new_grafite_status,new_lexicon_status,new_status_and_text_list' =
92 (* the code commented out adds the "select" command if needed *)
93 initial_space,grafite_status,lexicon_status,[] in
94 (* match grafite_status.proof_status with
95 | Incomplete_proof { stack = stack }
96 when not (List.mem user_goal (Continuationals.head_goals stack)) ->
99 ~do_heavy_checks:true grafite_status (goal_ast user_goal)
101 let initial_space = if initial_space = "" then "\n" else initial_space
103 "\n", grafite_status,
105 initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ]
106 | _ -> initial_space,grafite_status,[] in *)
107 let enriched_history_fragment =
108 MatitaEngine.eval_ast ~do_heavy_checks:true
109 new_lexicon_status new_grafite_status st
111 let _,new_text_list_rev =
112 let module DTE = DisambiguateTypes.Environment in
113 let module UM = UriManager in
115 fun (_,alias) (initial_space,acc) ->
117 None -> initial_space,initial_space::acc
118 | Some (k,((v,_) as value)) ->
121 if initial_space = "" then "\n" else initial_space
124 DisambiguatePp.pp_environment
125 (DisambiguateTypes.Environment.add k value
126 DisambiguateTypes.Environment.empty)
129 ) enriched_history_fragment (initial_space,[]) in
130 let new_text_list_rev =
131 match enriched_history_fragment,new_text_list_rev with
132 (_,None)::_, initial_space::tl -> (initial_space ^ parsed_text)::tl
133 | _,_ -> assert false
137 List.combine (fst (List.split enriched_history_fragment)) new_text_list_rev
139 Invalid_argument _ -> assert false
141 res,parsed_text_length
144 guistuff lexicon_status grafite_status user_goal parsed_text st
147 eval_with_engine guistuff lexicon_status grafite_status user_goal parsed_text
150 | DependenciesParser.UnableToInclude what
151 | GrafiteEngine.IncludedFileNotCompiled what as exc ->
152 let compile_needed_and_go_on d =
155 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
157 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
160 eval_with_engine guistuff lexicon_status grafite_status user_goal
163 let do_nothing () = [], 0 in
164 let handle_with_devel d =
165 let name = MatitamakeLib.name_for_development d in
166 let title = "Unable to include " ^ what in
168 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
169 "<i>Should I compile it and Its dependencies?</i>"
171 (match guistuff.ask_confirmation ~title ~message with
172 | `YES -> compile_needed_and_go_on d
174 | `CANCEL -> do_nothing ())
176 let handle_without_devel filename =
177 let title = "Unable to include " ^ what in
179 what ^ " is <b>not</b> handled by a development.\n" ^
180 "All dependencies are automatically solved for a development.\n\n" ^
181 "<i>Do you want to set up a development?</i>"
183 (match guistuff.ask_confirmation ~title ~message with
187 guistuff.develcreator ~containing:(Some (Filename.dirname f))
188 | None -> guistuff.develcreator ~containing:None);
191 | `CANCEL -> do_nothing())
193 match guistuff.filenamedata with
194 | None,None -> handle_without_devel None
195 | None,Some d -> handle_with_devel d
197 match MatitamakeLib.development_for_dir (Filename.dirname f) with
198 | None -> handle_without_devel (Some f)
199 | Some d -> handle_with_devel d
202 let pp_eager_statement_ast =
203 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
204 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
206 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
207 let module TAPp = GrafiteAstPp in
208 let module MQ = MetadataQuery in
209 let module MDB = LibraryDb in
210 let module CTC = CicTypeChecker in
211 let module CU = CicUniv in
212 (* no idea why ocaml wants this *)
213 let parsed_text_length = String.length parsed_text in
214 let dbd = LibraryDb.instance () in
215 (* XXX use a real CIC -> string pretty printer *)
216 let pp_macro = TAPp.pp_macro ~term_pp:CicPp.ppterm in
219 | TA.WMatch (loc, term) ->
220 let l = Whelp.match_term ~dbd term in
222 MatitaMisc.strip_suffix ~suffix:"."
223 (HExtlib.trim_blanks unparsed_text)
225 let entry = `Whelp (query_url, l) in
226 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
227 [], parsed_text_length
228 | TA.WInstance (loc, term) ->
229 let l = Whelp.instance ~dbd term in
230 let entry = `Whelp (pp_macro (TA.WInstance (loc, term)), l) in
231 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
232 [], parsed_text_length
233 | TA.WLocate (loc, s) ->
234 let l = Whelp.locate ~dbd s in
235 let entry = `Whelp (pp_macro (TA.WLocate (loc, s)), l) in
236 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
237 [], parsed_text_length
238 | TA.WElim (loc, term) ->
241 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
242 | _ -> failwith "Not a MutInd"
244 let l = Whelp.elim ~dbd uri in
245 let entry = `Whelp (pp_macro (TA.WElim (loc, term)), l) in
246 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
247 [], parsed_text_length
248 | TA.WHint (loc, term) ->
249 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
250 let l = List.map fst (MQ.experimental_hint ~dbd s) in
251 let entry = `Whelp (pp_macro (TA.WHint (loc, term)), l) in
252 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
253 [], parsed_text_length
259 | None -> raise NoUnfinishedProof
261 let proof = GrafiteTypes.get_current_proof grafite_status in
262 let proof_status = proof,user_goal' in
263 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
264 let selected = guistuff.urichooser l in
266 | [] -> [], parsed_text_length
268 let suri = UriManager.string_of_uri uri in
270 TA.Executable (loc, (TA.Tactical (loc,
272 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
273 Some (TA.Dot loc)))) in
275 comment parsed_text ^ "\n" ^
276 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
277 let text_len = String.length text in
278 let loc = HExtlib.floc_of_loc (0,text_len) in
279 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
280 let res,_parsed_text_len =
281 eval_statement include_paths buffer guistuff lexicon_status
282 grafite_status user_goal script statement
284 (* we need to replace all the parsed_text *)
285 res,String.length parsed_text
288 "The result of the urichooser should be only 1 uri, not:\n";
290 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
293 | TA.Check (_,term) ->
294 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
298 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
299 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
300 let t_and_ty = Cic.Cast (term,ty) in
301 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
302 [], parsed_text_length
304 | TA.Quit _ -> failwith "not implemented"
305 | TA.Print (_,kind) -> failwith "not implemented"
306 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
307 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
309 and eval_executable include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script loc ex
311 let module TAPp = GrafiteAstPp in
312 let module MD = GrafiteDisambiguator in
313 let module ML = MatitaMisc in
317 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
318 if not (GrafiteMisc.is_empty u) then
320 guistuff.ask_confirmation
321 ~title:"Baseuri redefinition"
323 "Baseuri " ^ u ^ " already exists.\n" ^
324 "Do you want to redefine the corresponding "^
325 "part of the library?")
328 let basedir = Helm_registry.get "matita.basedir" in
329 LibraryClean.clean_baseuris ~basedir [u]
331 | `CANCEL -> raise MatitaTypes.Cancel)
335 guistuff lexicon_status grafite_status user_goal parsed_text
336 (TA.Executable (loc, ex))
338 MatitaTypes.Cancel -> [], 0
339 | GrafiteEngine.Macro (_loc,lazy_macro) ->
343 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
344 let grafite_status,macro = lazy_macro context in
345 eval_macro include_paths buffer guistuff lexicon_status grafite_status
346 user_goal unparsed_text parsed_text script macro
348 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
349 grafite_status user_goal script statement
351 let (lexicon_status,st), unparsed_text =
354 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
355 GrafiteParser.parse_statement (Ulexing.from_utf8_string text)
356 ~include_paths lexicon_status, text
357 | `Ast (st, text) -> (lexicon_status, st), text
359 let text_of_loc loc =
360 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
361 let parsed_text = safe_substring unparsed_text 0 parsed_text_length in
362 parsed_text, parsed_text_length
365 | GrafiteParser.LNone loc ->
366 let parsed_text, parsed_text_length = text_of_loc loc in
367 [(grafite_status,lexicon_status),parsed_text],
369 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
370 let parsed_text, parsed_text_length = text_of_loc loc in
371 let remain_len = String.length unparsed_text - parsed_text_length in
372 let s = String.sub unparsed_text parsed_text_length remain_len in
375 eval_statement include_paths buffer guistuff lexicon_status
376 grafite_status user_goal script (`Raw s)
378 HExtlib.Localized (floc, exn) ->
379 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
380 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
382 (GrafiteDisambiguator.DisambiguationError
383 (offset+parsed_text_length, errorll))
386 | (statuses,text)::tl ->
387 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
389 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
390 let parsed_text, parsed_text_length = text_of_loc loc in
391 eval_executable include_paths buffer guistuff lexicon_status
392 grafite_status user_goal unparsed_text parsed_text script loc ex
394 let fresh_script_id =
398 class script ~(source_view: GSourceView.source_view)
399 ~(mathviewer: MatitaTypes.mathViewer)
405 let buffer = source_view#buffer in
406 let source_buffer = source_view#source_buffer in
407 let initial_statuses =
408 (* these include_paths are used only to load the initial notation *)
410 Helm_registry.get_list Helm_registry.string "matita.includes" in
412 CicNotation2.load_notation ~include_paths
413 BuildTimeConf.core_notation_script in
414 let grafite_status = GrafiteSync.init () in
415 grafite_status,lexicon_status
418 val mutable include_paths =
419 Helm_registry.get_list Helm_registry.string "matita.includes"
421 val scriptId = fresh_script_id ()
424 mathviewer = mathviewer;
425 urichooser = urichooser;
426 ask_confirmation = ask_confirmation;
427 develcreator = develcreator;
428 filenamedata = (None, None)}
430 method private getFilename =
431 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
433 method filename = self#getFilename
435 method private ppFilename =
436 match guistuff.filenamedata with
438 | None,_ -> sprintf ".unnamed%d.ma" scriptId
441 ignore (GMain.Timeout.add ~ms:300000
442 ~callback:(fun _ -> self#_saveToBackupFile ();true));
443 ignore (buffer#connect#modified_changed
444 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
446 val mutable statements = [] (** executed statements *)
448 val mutable history = [ initial_statuses ]
449 (** list of states before having executed statements. Head element of this
450 * list is the current state, last element is the state at the beginning of
452 * Invariant: this list length is 1 + length of statements *)
454 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
455 val mutable userGoal = None
457 (** text mark and tag representing locked part of a script *)
459 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
460 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
461 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
463 method locked_mark = locked_mark
464 method locked_tag = locked_tag
465 method error_tag = error_tag
467 (* history can't be empty, the invariant above grant that it contains at
468 * least the init grafite_status *)
469 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
470 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
472 method private _advance ?statement () =
473 let s = match statement with Some s -> s | None -> self#getFuture in
474 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
475 let (entries, parsed_len) =
477 eval_statement include_paths buffer guistuff self#lexicon_status
478 self#grafite_status userGoal self (`Raw s)
479 with End_of_file -> raise Margin
481 let new_statuses, new_statements =
482 let statuses, texts = List.split entries in
485 history <- new_statuses @ history;
486 statements <- new_statements @ statements;
487 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
488 let new_text = String.concat "" (List.rev new_statements) in
489 if statement <> None then
490 buffer#insert ~iter:start new_text
492 if new_text <> String.sub s 0 parsed_len then begin
493 buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
494 buffer#insert ~iter:start new_text;
497 self#moveMark (String.length new_text);
498 (* here we need to set the Goal in case we are going to cursor (or to
499 bottom) and we will face a macro *)
500 match self#grafite_status.proof_status with
501 Incomplete_proof p ->
502 userGoal <- Some (Continuationals.Stack.find_goal p.stack)
503 | _ -> userGoal <- None
505 method private _retract offset lexicon_status grafite_status new_statements
508 let cur_grafite_status,cur_lexicon_status =
509 match history with s::_ -> s | [] -> assert false
511 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
512 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
513 statements <- new_statements;
514 history <- new_history;
515 self#moveMark (- offset)
517 method advance ?statement () =
519 self#_advance ?statement ();
522 | Margin -> self#notify
523 | exc -> self#notify; raise exc
527 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
528 match statements,history with
529 stat::statements, _::(status::_ as history) ->
530 String.length stat, statements, history, status
531 | [],[_] -> raise Margin
532 | _,_ -> assert false
534 self#_retract cmp lexicon_status grafite_status new_statements
538 | Margin -> self#notify
539 | exc -> self#notify; raise exc
541 method private getFuture =
542 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
543 ~stop:buffer#end_iter ()
546 (** @param rel_offset relative offset from current position of locked_mark *)
547 method private moveMark rel_offset =
548 let mark = `MARK locked_mark in
549 let old_insert = buffer#get_iter_at_mark `INSERT in
550 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
551 let current_mark_pos = buffer#get_iter_at_mark mark in
553 match rel_offset with
554 | 0 -> current_mark_pos
555 | n when n > 0 -> current_mark_pos#forward_chars n
556 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
558 buffer#move_mark mark ~where:new_mark_pos;
559 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
560 buffer#move_mark `INSERT old_insert;
561 let mark_position = buffer#get_iter_at_mark mark in
562 if source_view#move_mark_onscreen mark then
564 buffer#move_mark mark mark_position;
565 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
567 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
569 method clean_dirty_lock =
570 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
571 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
572 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
574 val mutable observers = []
576 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
577 observers <- o :: observers
579 method private notify =
580 let lexicon_status = self#lexicon_status in
581 let grafite_status = self#grafite_status in
582 List.iter (fun o -> o lexicon_status grafite_status) observers
584 method loadFromFile f =
585 buffer#set_text (HExtlib.input_file f);
587 buffer#set_modified false
589 method assignFileName file =
590 let abspath = MatitaMisc.absolute_path file in
591 let dirname = Filename.dirname abspath in
592 let devel = MatitamakeLib.development_for_dir dirname in
593 guistuff.filenamedata <- Some abspath, devel;
595 match MatitamakeLib.development_for_dir dirname with
597 | Some devel -> [MatitamakeLib.root_for_development devel] in
599 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
601 include_paths <- include_
603 method saveToFile () =
604 let oc = open_out self#getFilename in
605 output_string oc (buffer#get_text ~start:buffer#start_iter
606 ~stop:buffer#end_iter ());
608 buffer#set_modified false
610 method private _saveToBackupFile () =
611 if buffer#modified then
613 let f = self#ppFilename ^ "~" in
614 let oc = open_out f in
615 output_string oc (buffer#get_text ~start:buffer#start_iter
616 ~stop:buffer#end_iter ());
618 HLog.debug ("backup " ^ f ^ " saved")
621 method private goto_top =
622 let grafite_status,lexicon_status =
623 let rec last x = function
625 | hd::tl -> last hd tl
627 last (self#grafite_status,self#lexicon_status) history
629 (* FIXME: this is not correct since there is no undo for
630 * library_objects.set_default... *)
631 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
632 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
634 method private reset_buffer =
636 history <- [ initial_statuses ];
639 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
640 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
644 source_buffer#begin_not_undoable_action ();
645 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
646 source_buffer#end_not_undoable_action ();
647 buffer#set_modified false;
650 let template = HExtlib.input_file BuildTimeConf.script_template in
651 buffer#insert ~iter:(buffer#get_iter `START) template;
652 let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
653 guistuff.filenamedata <- (None,development);
655 match development with
657 | Some devel -> [MatitamakeLib.root_for_development devel ]
660 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
662 include_paths <- include_ ;
663 buffer#set_modified false;
664 set_star (Filename.basename self#ppFilename) false
666 method goto (pos: [`Top | `Bottom | `Cursor]) () =
667 let old_locked_mark =
669 (buffer#create_mark ~name:"old_locked_mark"
670 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
671 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
672 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
673 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
676 dispose_old_locked_mark ();
684 let newpos = getpos () in
685 if (getoldpos ())#compare newpos < 0 then
687 buffer#move_mark old_locked_mark newpos;
692 dispose_old_locked_mark ();
695 | Margin -> dispose_old_locked_mark (); self#notify
696 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
698 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
699 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
702 (buffer#create_mark ~name:"initial_insert"
703 ~left_gravity:true (cursor_iter ())) in
704 let dispose_remember () = buffer#delete_mark remember in
705 let remember_iter () =
706 buffer#get_iter_at_mark (`NAME "initial_insert") in
707 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
709 let forward_until_cursor () = (* go forward until locked > cursor *)
712 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
715 buffer#move_mark old_locked_mark (getpos ());
721 let rec back_until_cursor len = (* go backward until locked < cursor *)
723 statements, ((grafite_status,lexicon_status)::_ as history)
725 self#_retract (icmp - len) lexicon_status grafite_status statements
727 | statement::tl1, _::tl2 ->
728 back_until_cursor (len - String.length statement) (tl1,tl2)
729 | _,_ -> assert false
733 if icmp < 0 then (* locked < cursor *)
734 (forward_until_cursor (); self#notify)
735 else if icmp > 0 then (* locked > cursor *)
736 (back_until_cursor icmp (statements,history); self#notify)
737 else (* cursor = locked *)
741 dispose_old_locked_mark ();
743 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
744 | exc -> dispose_remember (); dispose_old_locked_mark ();
745 self#notify; raise exc)
747 method onGoingProof () =
748 match self#grafite_status.proof_status with
749 | No_proof | Proof _ -> false
750 | Incomplete_proof _ -> true
751 | Intermediate _ -> assert false
753 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
754 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
756 method proofContext =
760 GrafiteTypes.get_proof_context self#grafite_status n
762 method proofConclusion =
766 GrafiteTypes.get_proof_conclusion self#grafite_status n
768 method stack = GrafiteTypes.get_stack self#grafite_status
769 method setGoal n = userGoal <- n
770 method goal = userGoal
773 let s = self#getFuture in
774 let rec is_there_and_executable lexicon_status s =
775 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
776 let lexicon_status,st =
777 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
778 ~include_paths lexicon_status
781 GrafiteParser.LNone loc
782 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
783 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
784 let remain_len = String.length s - parsed_text_length in
785 let next = String.sub s parsed_text_length remain_len in
786 is_there_and_executable lexicon_status next
787 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) -> false
790 is_there_and_executable self#lexicon_status s
792 | CicNotationParser.Parse_error _ -> false
793 | Margin | End_of_file -> true
797 HLog.debug "script status:";
798 HLog.debug ("history size: " ^ string_of_int (List.length history));
799 HLog.debug (sprintf "%d statements:" (List.length statements));
800 List.iter HLog.debug statements;
801 HLog.debug ("Current file name: " ^
802 (match guistuff.filenamedata with
803 |None,_ -> "[ no name ]"
808 let _script = ref None
810 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
813 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
818 let current () = match !_script with None -> assert false | Some s -> s