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/
29 module TA = GrafiteAst
32 let debug_print = if debug then prerr_endline else ignore
34 (** raised when one of the script margins (top or bottom) is reached *)
37 let safe_substring s i j =
38 try String.sub s i j with Invalid_argument _ -> assert false
40 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
41 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)((.|\n)*)"
42 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
43 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
44 let newline_RE = Pcre.regexp "\n"
47 if Pcre.pmatch ~rex:multiline_RE str then
48 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
50 "\n(**\n" ^ str ^ "\n*)"
53 let s = Pcre.replace ~rex:heading_nl_RE s in
55 let nl_pos = String.index s '\n' in
59 (** creates a statement AST for the Goal tactic, e.g. "goal 7" *)
61 let module A = GrafiteAst in
62 let loc = HExtlib.dummy_floc in
63 A.Executable (loc, A.Tactical (loc,
64 A.Tactic (loc, A.Goal (loc, n)),
68 mathviewer:MatitaTypes.mathViewer;
69 urichooser: UriManager.uri list -> UriManager.uri list;
70 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
71 develcreator: containing:string option -> unit;
72 mutable filenamedata: string option * MatitamakeLib.development option
75 let eval_with_engine guistuff lexicon_status grafite_status user_goal
78 let module TAPp = GrafiteAstPp in
80 match guistuff.filenamedata with
82 | None,Some devel -> [MatitamakeLib.root_for_development devel ]
84 match MatitamakeLib.development_for_dir (Filename.dirname f) with
86 | Some devel -> [MatitamakeLib.root_for_development devel ]
89 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
91 let parsed_text_length = String.length parsed_text in
93 match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in
94 let initial_space,parsed_text =
96 let pieces = Pcre.extract ~rex:heading_nl_RE' parsed_text in
97 pieces.(1), pieces.(2)
99 Not_found -> "", parsed_text in
100 let inital_space,new_grafite_status,new_lexicon_status,new_status_and_text_list' =
101 (* the code commented out adds the "select" command if needed *)
102 initial_space,grafite_status,lexicon_status,[] in
103 (* match grafite_status.proof_status with
104 | Incomplete_proof { stack = stack }
105 when not (List.mem user_goal (Continuationals.head_goals stack)) ->
107 MatitaEngine.eval_ast
108 ~do_heavy_checks:true grafite_status (goal_ast user_goal)
110 let initial_space = if initial_space = "" then "\n" else initial_space
112 "\n", grafite_status,
114 initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ]
115 | _ -> initial_space,grafite_status,[] in *)
116 let enriched_history_fragment =
117 MatitaEngine.eval_ast ~do_heavy_checks:true
118 new_lexicon_status new_grafite_status st
120 let _,new_text_list_rev =
121 let module DTE = DisambiguateTypes.Environment in
122 let module UM = UriManager in
124 fun (_,alias) (initial_space,acc) ->
126 None -> initial_space,initial_space::acc
127 | Some (k,((v,_) as value)) ->
130 if initial_space = "" then "\n" else initial_space
133 DisambiguatePp.pp_environment
134 (DisambiguateTypes.Environment.add k value
135 DisambiguateTypes.Environment.empty)
138 ) enriched_history_fragment (initial_space,[]) in
139 let new_text_list_rev =
140 match enriched_history_fragment,new_text_list_rev with
141 (_,None)::_, initial_space::tl -> (initial_space ^ parsed_text)::tl
142 | _,_ -> assert false
146 List.combine (fst (List.split enriched_history_fragment)) new_text_list_rev
148 Invalid_argument _ -> assert false
150 res,parsed_text_length
153 guistuff lexicon_status grafite_status user_goal parsed_text st
156 eval_with_engine guistuff lexicon_status grafite_status user_goal parsed_text
159 | DependenciesParser.UnableToInclude what
160 | GrafiteEngine.IncludedFileNotCompiled what as exc ->
161 let compile_needed_and_go_on d =
164 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
166 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
169 eval_with_engine guistuff lexicon_status grafite_status user_goal
172 let do_nothing () = [], 0 in
173 let handle_with_devel d =
174 let name = MatitamakeLib.name_for_development d in
175 let title = "Unable to include " ^ what in
177 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
178 "<i>Should I compile it and Its dependencies?</i>"
180 (match guistuff.ask_confirmation ~title ~message with
181 | `YES -> compile_needed_and_go_on d
183 | `CANCEL -> do_nothing ())
185 let handle_without_devel filename =
186 let title = "Unable to include " ^ what in
188 what ^ " is <b>not</b> handled by a development.\n" ^
189 "All dependencies are automatically solved for a development.\n\n" ^
190 "<i>Do you want to set up a development?</i>"
192 (match guistuff.ask_confirmation ~title ~message with
196 guistuff.develcreator ~containing:(Some (Filename.dirname f))
197 | None -> guistuff.develcreator ~containing:None);
200 | `CANCEL -> do_nothing())
202 match guistuff.filenamedata with
203 | None,None -> handle_without_devel None
204 | None,Some d -> handle_with_devel d
206 match MatitamakeLib.development_for_dir (Filename.dirname f) with
207 | None -> handle_without_devel (Some f)
208 | Some d -> handle_with_devel d
211 let disambiguate_macro_term term lexicon_status grafite_status user_goal =
212 let module MD = GrafiteDisambiguator in
213 let dbd = LibraryDb.instance () in
214 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
215 let context = GrafiteTypes.get_proof_context grafite_status user_goal in
217 MD.disambiguate_term ~dbd ~context ~metasenv
218 ~aliases:lexicon_status.LexiconEngine.aliases
219 ~universe:(Some lexicon_status.LexiconEngine.multi_aliases) term in
224 let pp_eager_statement_ast =
225 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
226 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
228 let eval_macro guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
229 let module TAPp = GrafiteAstPp in
230 let module MQ = MetadataQuery in
231 let module MDB = LibraryDb in
232 let module CTC = CicTypeChecker in
233 let module CU = CicUniv in
234 (* no idea why ocaml wants this *)
235 let parsed_text_length = String.length parsed_text in
236 let dbd = LibraryDb.instance () in
237 (* XXX use a real CIC -> string pretty printer *)
238 let pp_macro = TAPp.pp_macro ~term_pp:CicPp.ppterm in
241 | TA.WMatch (loc, term) ->
243 disambiguate_macro_term term lexicon_status grafite_status user_goal in
244 let l = Whelp.match_term ~dbd term in
246 MatitaMisc.strip_suffix ~suffix:"."
247 (HExtlib.trim_blanks unparsed_text)
249 let entry = `Whelp (query_url, l) in
250 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
251 [], parsed_text_length
252 | TA.WInstance (loc, term) ->
254 disambiguate_macro_term term lexicon_status grafite_status user_goal in
255 let l = Whelp.instance ~dbd term in
256 let entry = `Whelp (pp_macro (TA.WInstance (loc, term)), l) in
257 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
258 [], parsed_text_length
259 | TA.WLocate (loc, s) ->
260 let l = Whelp.locate ~dbd s in
261 let entry = `Whelp (pp_macro (TA.WLocate (loc, s)), l) in
262 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
263 [], parsed_text_length
264 | TA.WElim (loc, term) ->
266 disambiguate_macro_term term lexicon_status grafite_status user_goal in
269 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
270 | _ -> failwith "Not a MutInd"
272 let l = Whelp.elim ~dbd uri in
273 let entry = `Whelp (pp_macro (TA.WElim (loc, term)), l) in
274 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
275 [], parsed_text_length
276 | TA.WHint (loc, term) ->
278 disambiguate_macro_term term lexicon_status grafite_status user_goal in
279 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
280 let l = List.map fst (MQ.experimental_hint ~dbd s) in
281 let entry = `Whelp (pp_macro (TA.WHint (loc, term)), l) in
282 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
283 [], parsed_text_length
286 let proof = GrafiteTypes.get_current_proof grafite_status in
287 let proof_status = proof, user_goal in
288 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
289 let selected = guistuff.urichooser l in
291 | [] -> [], parsed_text_length
293 let suri = UriManager.string_of_uri uri in
295 TA.Executable (loc, (TA.Tactical (loc,
297 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
301 let new_lexicon_status,new_grafite_status =
302 MatitaEngine.eval_ast lexicon_status grafite_status ast in
304 comment parsed_text ^ "\n" ^ pp_eager_statement_ast ast in
305 [ (new_grafite_status,new_lexicon_status), (extra_text, Some ast) ],
307 *) assert false (* implementarla con una ricorsione *)
310 "The result of the urichooser should be only 1 uri, not:\n";
312 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
315 | TA.Check (_,term) ->
316 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
317 let context = GrafiteTypes.get_proof_context grafite_status user_goal in
319 GrafiteDisambiguator.disambiguate_term ~dbd ~context ~metasenv
320 ~aliases:lexicon_status.LexiconEngine.aliases
321 ~universe:(Some lexicon_status.LexiconEngine.multi_aliases) term in
322 let _, metasenv , term, ugraph =
327 let ty,_ = CTC.type_of_aux' metasenv context term ugraph in
328 let t_and_ty = Cic.Cast (term,ty) in
329 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
330 [], parsed_text_length
333 let grafite_status = script#grafite_status.proof_status in
336 | _ -> script#retract ();go_back()
338 [], parsed_text_length, Some go_back
339 | TA.Redo (_, Some i) -> [], parsed_text_length,
340 Some (fun () -> for j = 1 to i do advance () done)
341 | TA.Redo (_, None) -> [], parsed_text_length,
342 Some (fun () -> advance ())
343 | TA.Undo (_, Some i) -> [], parsed_text_length,
344 Some (fun () -> for j = 1 to i do script#retract () done)
345 | TA.Undo (_, None) -> [], parsed_text_length,
346 Some (fun () -> script#retract ()) *)
348 | TA.Quit _ -> failwith "not implemented"
349 | TA.Print (_,kind) -> failwith "not implemented"
350 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
351 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
353 let eval_executable guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script ex
355 let module TAPp = GrafiteAstPp in
356 let module MD = GrafiteDisambiguator in
357 let module ML = MatitaMisc in
359 TA.Tactical (loc, _, _) ->
361 guistuff lexicon_status grafite_status user_goal parsed_text
362 (TA.Executable (loc, ex))
363 | TA.Command (loc, cmd) ->
367 | TA.Set (loc',"baseuri",u) ->
368 if not (GrafiteMisc.is_empty u) then
370 guistuff.ask_confirmation
371 ~title:"Baseuri redefinition"
373 "Baseuri " ^ u ^ " already exists.\n" ^
374 "Do you want to redefine the corresponding "^
375 "part of the library?")
378 let basedir = Helm_registry.get "matita.basedir" in
379 LibraryClean.clean_baseuris ~basedir [u]
381 | `CANCEL -> raise MatitaTypes.Cancel)
385 guistuff lexicon_status grafite_status user_goal parsed_text
386 (TA.Executable (loc, ex))
387 with MatitaTypes.Cancel -> [], 0)
388 | TA.Macro (_,mac) ->
389 eval_macro guistuff lexicon_status grafite_status user_goal unparsed_text
390 parsed_text script mac
392 let rec eval_statement (buffer : GText.buffer) guistuff lexicon_status
393 grafite_status user_goal script statement
395 let (lexicon_status,st), unparsed_text =
398 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
399 GrafiteParser.parse_statement (Ulexing.from_utf8_string text)
400 ~include_paths:(Helm_registry.get_list
401 Helm_registry.string "matita.includes")
403 | `Ast (st, text) -> (lexicon_status, st), text
405 let text_of_loc loc =
406 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
407 let parsed_text = safe_substring unparsed_text 0 parsed_text_length in
408 parsed_text, parsed_text_length
411 | GrafiteParser.LNone loc ->
412 let parsed_text, parsed_text_length = text_of_loc loc in
413 [(grafite_status,lexicon_status),parsed_text],
415 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
416 let parsed_text, parsed_text_length = text_of_loc loc in
417 let remain_len = String.length unparsed_text - parsed_text_length in
418 let s = String.sub unparsed_text parsed_text_length remain_len in
421 eval_statement buffer guistuff lexicon_status grafite_status user_goal
424 HExtlib.Localized (floc, exn) ->
425 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
426 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
428 (GrafiteDisambiguator.DisambiguationError
429 (offset+parsed_text_length, errorll))
432 | (statuses,text)::tl ->
433 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
435 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
436 let parsed_text, parsed_text_length = text_of_loc loc in
437 eval_executable guistuff lexicon_status grafite_status user_goal
438 unparsed_text parsed_text script ex
440 let fresh_script_id =
444 class script ~(source_view: GSourceView.source_view)
445 ~(mathviewer: MatitaTypes.mathViewer)
451 let buffer = source_view#buffer in
452 let source_buffer = source_view#source_buffer in
453 let initial_statuses =
455 Helm_registry.get_list Helm_registry.string "matita.includes" in
457 CicNotation2.load_notation ~include_paths
458 BuildTimeConf.core_notation_script in
459 let grafite_status = GrafiteSync.init () in
460 grafite_status,lexicon_status
463 val scriptId = fresh_script_id ()
466 mathviewer = mathviewer;
467 urichooser = urichooser;
468 ask_confirmation = ask_confirmation;
469 develcreator = develcreator;
470 filenamedata = (None, None)}
472 method private getFilename =
473 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
475 method filename = self#getFilename
477 method private ppFilename =
478 match guistuff.filenamedata with
480 | None,_ -> sprintf ".unnamed%d.ma" scriptId
483 ignore (GMain.Timeout.add ~ms:300000
484 ~callback:(fun _ -> self#_saveToBackupFile ();true));
485 ignore (buffer#connect#modified_changed
486 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
488 val mutable statements = [] (** executed statements *)
490 val mutable history = [ initial_statuses ]
491 (** list of states before having executed statements. Head element of this
492 * list is the current state, last element is the state at the beginning of
494 * Invariant: this list length is 1 + length of statements *)
496 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
497 val mutable userGoal = ~-1
499 (** text mark and tag representing locked part of a script *)
501 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
502 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
503 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
505 method locked_mark = locked_mark
506 method locked_tag = locked_tag
507 method error_tag = error_tag
509 (* history can't be empty, the invariant above grant that it contains at
510 * least the init grafite_status *)
511 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
512 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
514 method private _advance ?statement () =
516 let (entries, parsed_len) =
517 eval_statement buffer guistuff self#lexicon_status self#grafite_status
520 let new_statuses, new_statements =
521 let statuses, texts = List.split entries in
524 history <- new_statuses @ history;
525 statements <- new_statements @ statements;
526 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
527 let new_text = String.concat "" (List.rev new_statements) in
528 if statement <> None then
529 buffer#insert ~iter:start new_text
531 let s = match st with `Raw s | `Ast (_, s) -> s in
532 if new_text <> String.sub s 0 parsed_len then begin
533 buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
534 buffer#insert ~iter:start new_text;
537 self#moveMark (String.length new_text)
539 let s = match statement with Some s -> s | None -> self#getFuture in
540 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
541 (try aux (`Raw s) with End_of_file -> raise Margin)
543 method private _retract offset lexicon_status grafite_status new_statements
546 let cur_grafite_status,cur_lexicon_status =
547 match history with s::_ -> s | [] -> assert false
549 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
550 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
551 statements <- new_statements;
552 history <- new_history;
553 self#moveMark (- offset)
555 method advance ?statement () =
557 self#_advance ?statement ();
560 | Margin -> self#notify
561 | exc -> self#notify; raise exc
565 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
566 match statements,history with
567 stat::statements, _::(status::_ as history) ->
568 String.length stat, statements, history, status
569 | [],[_] -> raise Margin
570 | _,_ -> assert false
572 self#_retract cmp lexicon_status grafite_status new_statements
576 | Margin -> self#notify
577 | exc -> self#notify; raise exc
579 method private getFuture =
580 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
581 ~stop:buffer#end_iter ()
584 (** @param rel_offset relative offset from current position of locked_mark *)
585 method private moveMark rel_offset =
586 let mark = `MARK locked_mark in
587 let old_insert = buffer#get_iter_at_mark `INSERT in
588 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
589 let current_mark_pos = buffer#get_iter_at_mark mark in
591 match rel_offset with
592 | 0 -> current_mark_pos
593 | n when n > 0 -> current_mark_pos#forward_chars n
594 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
596 buffer#move_mark mark ~where:new_mark_pos;
597 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
598 buffer#move_mark `INSERT old_insert;
599 let mark_position = buffer#get_iter_at_mark mark in
600 if source_view#move_mark_onscreen mark then
602 buffer#move_mark mark mark_position;
603 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
605 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
607 method clean_dirty_lock =
608 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
609 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
610 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
612 val mutable observers = []
614 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
615 observers <- o :: observers
617 method private notify =
618 let lexicon_status = self#lexicon_status in
619 let grafite_status = self#grafite_status in
620 List.iter (fun o -> o lexicon_status grafite_status) observers
622 method loadFromFile f =
623 buffer#set_text (HExtlib.input_file f);
625 buffer#set_modified false
627 method assignFileName file =
628 let abspath = MatitaMisc.absolute_path file in
629 let devel = MatitamakeLib.development_for_dir (Filename.dirname abspath) in
630 guistuff.filenamedata <- Some abspath, devel
632 method saveToFile () =
633 let oc = open_out self#getFilename in
634 output_string oc (buffer#get_text ~start:buffer#start_iter
635 ~stop:buffer#end_iter ());
637 buffer#set_modified false
639 method private _saveToBackupFile () =
640 if buffer#modified then
642 let f = self#ppFilename ^ "~" in
643 let oc = open_out f in
644 output_string oc (buffer#get_text ~start:buffer#start_iter
645 ~stop:buffer#end_iter ());
647 HLog.debug ("backup " ^ f ^ " saved")
650 method private goto_top =
651 let grafite_status,lexicon_status =
652 let rec last x = function
654 | hd::tl -> last hd tl
656 last (self#grafite_status,self#lexicon_status) history
658 (* FIXME: this is not correct since there is no undo for
659 * library_objects.set_default... *)
660 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
661 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
663 method private reset_buffer =
665 history <- [ initial_statuses ];
668 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
669 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
673 source_buffer#begin_not_undoable_action ();
674 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
675 source_buffer#end_not_undoable_action ();
676 buffer#set_modified false;
679 let template = HExtlib.input_file BuildTimeConf.script_template in
680 buffer#insert ~iter:(buffer#get_iter `START) template;
681 guistuff.filenamedata <-
682 (None,MatitamakeLib.development_for_dir (Unix.getcwd ()));
683 buffer#set_modified false;
684 set_star (Filename.basename self#ppFilename) false
686 method goto (pos: [`Top | `Bottom | `Cursor]) () =
687 let old_locked_mark =
689 (buffer#create_mark ~name:"old_locked_mark"
690 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
691 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
692 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
693 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
696 dispose_old_locked_mark ();
704 let newpos = getpos () in
705 if (getoldpos ())#compare newpos < 0 then
707 buffer#move_mark old_locked_mark newpos;
712 dispose_old_locked_mark ();
715 | Margin -> dispose_old_locked_mark (); self#notify
716 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
718 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
719 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
722 (buffer#create_mark ~name:"initial_insert"
723 ~left_gravity:true (cursor_iter ())) in
724 let dispose_remember () = buffer#delete_mark remember in
725 let remember_iter () =
726 buffer#get_iter_at_mark (`NAME "initial_insert") in
727 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
729 let forward_until_cursor () = (* go forward until locked > cursor *)
732 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
735 buffer#move_mark old_locked_mark (getpos ());
741 let rec back_until_cursor len = (* go backward until locked < cursor *)
743 statements, ((grafite_status,lexicon_status)::_ as history)
745 self#_retract (icmp - len) lexicon_status grafite_status statements
747 | statement::tl1, _::tl2 ->
748 back_until_cursor (len - String.length statement) (tl1,tl2)
749 | _,_ -> assert false
753 if icmp < 0 then (* locked < cursor *)
754 (forward_until_cursor (); self#notify)
755 else if icmp > 0 then (* locked > cursor *)
756 (back_until_cursor icmp (statements,history); self#notify)
757 else (* cursor = locked *)
761 dispose_old_locked_mark ();
763 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
764 | exc -> dispose_remember (); dispose_old_locked_mark ();
765 self#notify; raise exc)
767 method onGoingProof () =
768 match self#grafite_status.proof_status with
769 | No_proof | Proof _ -> false
770 | Incomplete_proof _ -> true
771 | Intermediate _ -> assert false
773 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
774 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
775 method proofContext =
776 GrafiteTypes.get_proof_context self#grafite_status userGoal
777 method proofConclusion =
778 GrafiteTypes.get_proof_conclusion self#grafite_status userGoal
779 method stack = GrafiteTypes.get_stack self#grafite_status
780 method setGoal n = userGoal <- n
781 method goal = userGoal
784 let s = self#getFuture in
785 let rec is_there_and_executable lexicon_status s =
786 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
787 let lexicon_status,st =
788 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
789 ~include_paths:(Helm_registry.get_list
790 Helm_registry.string "matita.includes")
794 GrafiteParser.LNone loc
795 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
796 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
797 let remain_len = String.length s - parsed_text_length in
798 let next = String.sub s parsed_text_length remain_len in
799 is_there_and_executable lexicon_status next
800 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) -> false
803 is_there_and_executable self#lexicon_status s
805 | CicNotationParser.Parse_error _ -> false
806 | Margin | End_of_file -> true
810 HLog.debug "script status:";
811 HLog.debug ("history size: " ^ string_of_int (List.length history));
812 HLog.debug (sprintf "%d statements:" (List.length statements));
813 List.iter HLog.debug statements;
814 HLog.debug ("Current file name: " ^
815 (match guistuff.filenamedata with
816 |None,_ -> "[ no name ]"
821 let _script = ref None
823 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
826 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
831 let current () = match !_script with None -> assert false | Some s -> s