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 = DisambiguateTypes.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 status user_goal parsed_text st =
76 let module TAPp = GrafiteAstPp in
78 match guistuff.filenamedata with
80 | None,Some devel -> [MatitamakeLib.root_for_development devel ]
82 match MatitamakeLib.development_for_dir (Filename.dirname f) with
84 | Some devel -> [MatitamakeLib.root_for_development devel ]
86 let parsed_text_length = String.length parsed_text in
88 match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in
89 let initial_space,parsed_text =
91 let pieces = Pcre.extract ~rex:heading_nl_RE' parsed_text in
92 pieces.(1), pieces.(2)
94 Not_found -> "", parsed_text in
95 (* we add the goal command if needed *)
96 let inital_space,new_status,new_status_and_text_list' =
97 match status.proof_status with
98 (* | Incomplete_proof { stack = stack }
99 when not (List.mem user_goal (Continuationals.head_goals stack)) ->
101 MatitaEngine.eval_ast ~include_paths:include_
102 ~do_heavy_checks:true status (goal_ast user_goal)
104 let initial_space = if initial_space = "" then "\n" else initial_space
108 initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ] *)
109 | _ -> initial_space,status,[] in
111 MatitaEngine.eval_ast
112 ~include_paths:include_ ~do_heavy_checks:true new_status st
116 | TA.Command (_, TA.Alias _)
117 | TA.Command (_, TA.Include _)
118 | TA.Command (_, TA.Interpretation _) -> []
119 | _ -> MatitaSync.alias_diff ~from:status new_status
121 (* we remove the defined object since we consider them "automatic aliases" *)
123 TA.Comment (DisambiguateTypes.dummy_floc,
124 TA.Note (DisambiguateTypes.dummy_floc, ""))
126 let initial_space,status,new_status_and_text_list_rev =
127 let module DTE = DisambiguateTypes.Environment in
128 let module UM = UriManager in
130 fun (initial_space,status,acc) (k,((v,_) as value)) ->
133 let v = UM.strip_xpointer (UM.uri_of_string v) in
134 List.exists (fun (s,_) -> s = v) new_status.objects
135 with UM.IllFormedUri _ -> false
138 initial_space,status,acc
142 if initial_space = "" then "\n" else initial_space in
144 DisambiguatePp.pp_environment
145 (DisambiguateTypes.Environment.add k value
146 DisambiguateTypes.Environment.empty) in
148 MatitaSync.set_proof_aliases status [k,value]
150 "\n",new_status,((new_status, (new_text, dummy_st))::acc)
151 ) (initial_space,status,[]) new_aliases in
152 let parsed_text = initial_space ^ parsed_text in
154 List.rev new_status_and_text_list_rev @ new_status_and_text_list' @
155 [new_status, (parsed_text, st)]
157 res,parsed_text_length
159 let eval_with_engine guistuff status user_goal parsed_text st =
161 eval_with_engine guistuff status user_goal parsed_text st
163 | MatitaEngine.UnableToInclude what
164 | MatitaEngine.IncludedFileNotCompiled what as exc ->
165 let compile_needed_and_go_on d =
168 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
170 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
173 eval_with_engine guistuff status user_goal parsed_text st
175 let do_nothing () = [], 0 in
176 let handle_with_devel d =
177 let name = MatitamakeLib.name_for_development d in
178 let title = "Unable to include " ^ what in
180 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
181 "<i>Should I compile it and Its dependencies?</i>"
183 (match guistuff.ask_confirmation ~title ~message with
184 | `YES -> compile_needed_and_go_on d
186 | `CANCEL -> do_nothing ())
188 let handle_without_devel filename =
189 let title = "Unable to include " ^ what in
191 what ^ " is <b>not</b> handled by a development.\n" ^
192 "All dependencies are automatically solved for a development.\n\n" ^
193 "<i>Do you want to set up a development?</i>"
195 (match guistuff.ask_confirmation ~title ~message with
199 guistuff.develcreator ~containing:(Some (Filename.dirname f))
200 | None -> guistuff.develcreator ~containing:None);
203 | `CANCEL -> do_nothing())
205 match guistuff.filenamedata with
206 | None,None -> handle_without_devel None
207 | None,Some d -> handle_with_devel d
209 match MatitamakeLib.development_for_dir (Filename.dirname f) with
210 | None -> handle_without_devel (Some f)
211 | Some d -> handle_with_devel d
214 let disambiguate_macro_term term status user_goal =
215 let module MD = MatitaDisambiguator in
216 let dbd = MatitaDb.instance () in
217 let metasenv = MatitaTypes.get_proof_metasenv status in
218 let context = MatitaTypes.get_proof_context status user_goal in
220 MD.disambiguate_term ~dbd ~context ~metasenv ~aliases:status.aliases
221 ~universe:(Some status.multi_aliases) term in
226 let eval_macro guistuff status user_goal unparsed_text parsed_text script mac =
227 let module TAPp = GrafiteAstPp in
228 let module MQ = MetadataQuery in
229 let module MDB = MatitaDb in
230 let module CTC = CicTypeChecker in
231 let module CU = CicUniv in
232 (* no idea why ocaml wants this *)
233 let parsed_text_length = String.length parsed_text in
234 let dbd = MatitaDb.instance () in
237 | TA.WMatch (loc, term) ->
238 let term = disambiguate_macro_term term status user_goal in
239 let l = Whelp.match_term ~dbd term in
241 MatitaMisc.strip_suffix ~suffix:"."
242 (HExtlib.trim_blanks unparsed_text)
244 let entry = `Whelp (query_url, l) in
245 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
246 [], parsed_text_length
247 | TA.WInstance (loc, term) ->
248 let term = disambiguate_macro_term term status user_goal in
249 let l = Whelp.instance ~dbd term in
250 let entry = `Whelp (TAPp.pp_macro_cic (TA.WInstance (loc, term)), l) in
251 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
252 [], parsed_text_length
253 | TA.WLocate (loc, s) ->
254 let l = Whelp.locate ~dbd s in
255 let entry = `Whelp (TAPp.pp_macro_cic (TA.WLocate (loc, s)), l) in
256 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
257 [], parsed_text_length
258 | TA.WElim (loc, term) ->
259 let term = disambiguate_macro_term term status user_goal in
262 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
263 | _ -> failwith "Not a MutInd"
265 let l = Whelp.elim ~dbd uri in
266 let entry = `Whelp (TAPp.pp_macro_cic (TA.WElim (loc, term)), l) in
267 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
268 [], parsed_text_length
269 | TA.WHint (loc, term) ->
270 let term = disambiguate_macro_term term status user_goal in
271 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
272 let l = List.map fst (MQ.experimental_hint ~dbd s) in
273 let entry = `Whelp (TAPp.pp_macro_cic (TA.WHint (loc, term)), l) in
274 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
275 [], parsed_text_length
278 let proof = MatitaTypes.get_current_proof status in
279 let proof_status = proof, user_goal in
280 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
281 let selected = guistuff.urichooser l in
283 | [] -> [], parsed_text_length
285 let suri = UriManager.string_of_uri uri in
287 TA.Executable (loc, (TA.Tactical (loc,
289 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
292 let new_status = MatitaEngine.eval_ast status ast in
294 comment parsed_text ^
295 "\n" ^ TAPp.pp_statement ast
297 [ new_status , (extra_text, ast) ], parsed_text_length
300 "The result of the urichooser should be only 1 uri, not:\n";
302 fun u -> MatitaLog.error (UriManager.string_of_uri u ^ "\n")
305 | TA.Check (_,term) ->
306 let metasenv = MatitaTypes.get_proof_metasenv status in
307 let context = MatitaTypes.get_proof_context status user_goal in
309 MatitaDisambiguator.disambiguate_term ~dbd ~context ~metasenv
310 ~aliases:status.aliases ~universe:(Some status.multi_aliases) term
312 let _, metasenv , term, ugraph =
317 let ty,_ = CTC.type_of_aux' metasenv context term ugraph in
318 let t_and_ty = Cic.Cast (term,ty) in
319 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
320 [], parsed_text_length
323 let status = script#status.proof_status in
326 | _ -> script#retract ();go_back()
328 [], parsed_text_length, Some go_back
329 | TA.Redo (_, Some i) -> [], parsed_text_length,
330 Some (fun () -> for j = 1 to i do advance () done)
331 | TA.Redo (_, None) -> [], parsed_text_length,
332 Some (fun () -> advance ())
333 | TA.Undo (_, Some i) -> [], parsed_text_length,
334 Some (fun () -> for j = 1 to i do script#retract () done)
335 | TA.Undo (_, None) -> [], parsed_text_length,
336 Some (fun () -> script#retract ()) *)
338 | TA.Quit _ -> failwith "not implemented"
339 | TA.Print (_,kind) -> failwith "not implemented"
340 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
341 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
343 let eval_executable guistuff status user_goal unparsed_text parsed_text script
346 let module TAPp = GrafiteAstPp in
347 let module MD = MatitaDisambiguator in
348 let module ML = MatitacleanLib in
350 | TA.Command (loc, _) | TA.Tactical (loc, _, _) ->
352 (match MatitaMisc.baseuri_of_baseuri_decl (TA.Executable (loc,ex)) with
355 if not (MatitaMisc.is_empty u) then
357 guistuff.ask_confirmation
358 ~title:"Baseuri redefinition"
360 "Baseuri " ^ u ^ " already exists.\n" ^
361 "Do you want to redefine the corresponding "^
362 "part of the library?")
364 | `YES -> MatitacleanLib.clean_baseuris [u]
366 | `CANCEL -> raise MatitaTypes.Cancel);
368 guistuff status user_goal parsed_text (TA.Executable (loc, ex))
369 with MatitaTypes.Cancel -> [], 0)
370 | TA.Macro (_,mac) ->
371 eval_macro guistuff status user_goal unparsed_text parsed_text script mac
373 let rec eval_statement (buffer : GText.buffer) guistuff status user_goal
376 let st, unparsed_text =
379 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
380 GrafiteParser.parse_statement (Ulexing.from_utf8_string text), text
381 | `Ast (st, text) -> st, text
383 let text_of_loc loc =
384 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
385 let parsed_text = safe_substring unparsed_text 0 parsed_text_length in
386 parsed_text, parsed_text_length
389 | GrafiteAst.Comment (loc, _) ->
390 let parsed_text, parsed_text_length = text_of_loc loc in
391 let remain_len = String.length unparsed_text - parsed_text_length in
392 let s = String.sub unparsed_text parsed_text_length remain_len in
395 eval_statement buffer guistuff status user_goal script
398 HExtlib.Localized (floc, exn) ->
399 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
400 | MatitaDisambiguator.DisambiguationError (offset,errorll) ->
402 (MatitaDisambiguator.DisambiguationError
403 (offset+parsed_text_length, errorll))
406 | (status, (text, ast)) :: tl ->
407 ((status, (parsed_text ^ text, ast))::tl), (parsed_text_length + len)
409 | GrafiteAst.Executable (loc, ex) ->
410 let parsed_text, parsed_text_length = text_of_loc loc in
411 eval_executable guistuff status user_goal unparsed_text parsed_text
414 let fresh_script_id =
418 class script ~(source_view: GSourceView.source_view)
419 ~(init: MatitaTypes.status)
420 ~(mathviewer: MatitaTypes.mathViewer)
426 let buffer = source_view#buffer in
427 let source_buffer = source_view#source_buffer in
429 val scriptId = fresh_script_id ()
432 mathviewer = mathviewer;
433 urichooser = urichooser;
434 ask_confirmation = ask_confirmation;
435 develcreator = develcreator;
436 filenamedata = (None, None)}
438 method private getFilename =
439 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
441 method filename = self#getFilename
443 method private ppFilename =
444 match guistuff.filenamedata with
446 | None,_ -> sprintf ".unnamed%d.ma" scriptId
449 ignore (GMain.Timeout.add ~ms:300000
450 ~callback:(fun _ -> self#_saveToBackupFile ();true));
451 ignore (buffer#connect#modified_changed
452 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
454 val mutable statements = []; (** executed statements *)
455 val mutable history = [ init ];
456 (** list of states before having executed statements. Head element of this
457 * list is the current state, last element is the state at the beginning of
459 * Invariant: this list length is 1 + length of statements *)
461 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
462 val mutable userGoal = ~-1
464 (** text mark and tag representing locked part of a script *)
466 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
467 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
468 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
470 method locked_mark = locked_mark
471 method locked_tag = locked_tag
472 method error_tag = error_tag
474 (* history can't be empty, the invariant above grant that it contains at
475 * least the init status *)
476 method status = match history with hd :: _ -> hd | _ -> assert false
478 method private _advance ?statement () =
480 let (entries, parsed_len) =
481 eval_statement buffer guistuff self#status userGoal self st
483 let (new_statuses, new_statements, new_asts) =
484 let statuses, statements = List.split entries in
485 let texts, asts = List.split statements in
486 statuses, texts, asts
488 history <- List.rev new_statuses @ history;
489 statements <- List.rev new_statements @ statements;
490 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
491 let new_text = String.concat "" new_statements in
492 if statement <> None then
493 buffer#insert ~iter:start new_text
495 let s = match st with `Raw s | `Ast (_, s) -> s in
496 if new_text <> String.sub s 0 parsed_len then
498 let stop = start#copy#forward_chars parsed_len in
499 buffer#delete ~start ~stop;
500 buffer#insert ~iter:start new_text;
502 self#moveMark (String.length new_text);
504 (match List.rev new_asts with (* advance again on punctuation *)
505 | TA.Executable (_, TA.Tactical (_, tac, _)) :: _ ->
507 (buffer#get_iter_at_mark (`MARK locked_mark))#offset
509 let text = self#getFuture in
511 (match parse_statement baseoffset 0 buffer text with
512 | TA.Executable (loc, TA.Tactical (_, tac, None)) as st
513 when GrafiteAst.is_punctuation tac ->
514 let len = snd (CicNotationPt.loc_of_floc loc) in
515 aux (`Ast (st, String.sub text 0 len))
517 with CicNotationParser.Parse_error _ | End_of_file -> ())
521 let s = match statement with Some s -> s | None -> self#getFuture in
522 MatitaLog.debug ("evaluating: " ^ first_line s ^ " ...");
523 (try aux (`Raw s) with End_of_file -> raise Margin)
525 method private _retract offset status new_statements new_history =
526 let cur_status = match history with s::_ -> s | [] -> assert false in
527 MatitaSync.time_travel ~present:cur_status ~past:status;
528 statements <- new_statements;
529 history <- new_history;
530 self#moveMark (- offset)
532 method advance ?statement () =
534 self#_advance ?statement ();
537 | Margin -> self#notify
538 | exc -> self#notify; raise exc
542 let cmp,new_statements,new_history,status =
543 match statements,history with
544 stat::statements, _::(status::_ as history) ->
545 String.length stat, statements, history, status
546 | [],[_] -> raise Margin
547 | _,_ -> assert false
549 self#_retract cmp status new_statements new_history;
552 | Margin -> self#notify
553 | exc -> self#notify; raise exc
555 method private getFuture =
556 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
557 ~stop:buffer#end_iter ()
560 (** @param rel_offset relative offset from current position of locked_mark *)
561 method private moveMark rel_offset =
562 let mark = `MARK locked_mark in
563 let old_insert = buffer#get_iter_at_mark `INSERT in
564 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
565 let current_mark_pos = buffer#get_iter_at_mark mark in
567 match rel_offset with
568 | 0 -> current_mark_pos
569 | n when n > 0 -> current_mark_pos#forward_chars n
570 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
572 buffer#move_mark mark ~where:new_mark_pos;
573 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
574 buffer#move_mark `INSERT old_insert;
575 let mark_position = buffer#get_iter_at_mark mark in
576 if source_view#move_mark_onscreen mark then
578 buffer#move_mark mark mark_position;
579 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
581 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
583 method clean_dirty_lock =
584 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
585 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
586 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
588 val mutable observers = []
590 method addObserver (o: MatitaTypes.status -> unit) =
591 observers <- o :: observers
593 method private notify =
594 let status = self#status in
595 List.iter (fun o -> o status) observers
597 method loadFromFile f =
598 buffer#set_text (HExtlib.input_file f);
600 buffer#set_modified false
602 method assignFileName file =
603 let abspath = MatitaMisc.absolute_path file in
604 let devel = MatitamakeLib.development_for_dir (Filename.dirname abspath) in
605 guistuff.filenamedata <- Some abspath, devel
607 method saveToFile () =
608 let oc = open_out self#getFilename in
609 output_string oc (buffer#get_text ~start:buffer#start_iter
610 ~stop:buffer#end_iter ());
612 buffer#set_modified false
614 method private _saveToBackupFile () =
615 if buffer#modified then
617 let f = self#ppFilename ^ "~" in
618 let oc = open_out f in
619 output_string oc (buffer#get_text ~start:buffer#start_iter
620 ~stop:buffer#end_iter ());
622 MatitaLog.debug ("backup " ^ f ^ " saved")
625 method private goto_top =
626 MatitaSync.time_travel ~present:self#status ~past:init
628 method private reset_buffer =
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 guistuff.filenamedata <-
647 (None,MatitamakeLib.development_for_dir (Unix.getcwd ()));
648 buffer#set_modified false;
649 set_star (Filename.basename self#ppFilename) false
651 method goto (pos: [`Top | `Bottom | `Cursor]) () =
652 let old_locked_mark =
654 (buffer#create_mark ~name:"old_locked_mark"
655 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
656 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
657 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
658 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
661 dispose_old_locked_mark ();
669 let newpos = getpos () in
670 if (getoldpos ())#compare newpos < 0 then
672 buffer#move_mark old_locked_mark newpos;
677 dispose_old_locked_mark ();
680 | Margin -> dispose_old_locked_mark (); self#notify
681 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
683 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
684 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
687 (buffer#create_mark ~name:"initial_insert"
688 ~left_gravity:true (cursor_iter ())) in
689 let dispose_remember () = buffer#delete_mark remember in
690 let remember_iter () =
691 buffer#get_iter_at_mark (`NAME "initial_insert") in
692 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
694 let forward_until_cursor () = (* go forward until locked > cursor *)
697 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
700 buffer#move_mark old_locked_mark (getpos ());
706 let rec back_until_cursor len = (* go backward until locked < cursor *)
708 statements, (status::_ as history) when len <= 0 ->
709 self#_retract (icmp - len) status statements history
710 | statement::tl1, _::tl2 ->
711 back_until_cursor (len - String.length statement) (tl1,tl2)
712 | _,_ -> assert false
716 if icmp < 0 then (* locked < cursor *)
717 (forward_until_cursor (); self#notify)
718 else if icmp > 0 then (* locked > cursor *)
719 (back_until_cursor icmp (statements,history); self#notify)
720 else (* cursor = locked *)
724 dispose_old_locked_mark ();
726 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
727 | exc -> dispose_remember (); dispose_old_locked_mark ();
728 self#notify; raise exc)
730 method onGoingProof () =
731 match self#status.proof_status with
732 | No_proof | Proof _ -> false
733 | Incomplete_proof _ -> true
734 | Intermediate _ -> assert false
736 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
737 method proofMetasenv = MatitaTypes.get_proof_metasenv self#status
738 method proofContext = MatitaTypes.get_proof_context self#status userGoal
739 method proofConclusion = MatitaTypes.get_proof_conclusion self#status userGoal
740 method stack = MatitaTypes.get_stack self#status
741 method setGoal n = userGoal <- n
742 method goal = userGoal
745 let s = self#getFuture in
746 let rec is_there_and_executable s =
747 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
748 let st = GrafiteParser.parse_statement (Ulexing.from_utf8_string s) in
750 | GrafiteAst.Comment (loc,_)->
751 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
752 let remain_len = String.length s - parsed_text_length in
753 let next = String.sub s parsed_text_length remain_len in
754 is_there_and_executable next
755 | GrafiteAst.Executable (loc, ex) -> false
758 is_there_and_executable s
760 | CicNotationParser.Parse_error _ -> false
761 | Margin | End_of_file -> true
765 MatitaLog.debug "script status:";
766 MatitaLog.debug ("history size: " ^ string_of_int (List.length history));
767 MatitaLog.debug (sprintf "%d statements:" (List.length statements));
768 List.iter MatitaLog.debug statements;
769 MatitaLog.debug ("Current file name: " ^
770 (match guistuff.filenamedata with
771 |None,_ -> "[ no name ]"
776 let _script = ref None
778 let script ~source_view ~init ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
781 ~source_view ~init ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
786 let current () = match !_script with None -> assert false | Some s -> s