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 pp_eager_statement_ast =
212 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
213 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
215 let rec eval_macro (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
216 let module TAPp = GrafiteAstPp in
217 let module MQ = MetadataQuery in
218 let module MDB = LibraryDb in
219 let module CTC = CicTypeChecker in
220 let module CU = CicUniv in
221 (* no idea why ocaml wants this *)
222 let parsed_text_length = String.length parsed_text in
223 let dbd = LibraryDb.instance () in
224 (* XXX use a real CIC -> string pretty printer *)
225 let pp_macro = TAPp.pp_macro ~term_pp:CicPp.ppterm in
228 | TA.WMatch (loc, term) ->
229 let l = Whelp.match_term ~dbd term in
231 MatitaMisc.strip_suffix ~suffix:"."
232 (HExtlib.trim_blanks unparsed_text)
234 let entry = `Whelp (query_url, l) in
235 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
236 [], parsed_text_length
237 | TA.WInstance (loc, term) ->
238 let l = Whelp.instance ~dbd term in
239 let entry = `Whelp (pp_macro (TA.WInstance (loc, term)), l) in
240 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
241 [], parsed_text_length
242 | TA.WLocate (loc, s) ->
243 let l = Whelp.locate ~dbd s in
244 let entry = `Whelp (pp_macro (TA.WLocate (loc, s)), l) in
245 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
246 [], parsed_text_length
247 | TA.WElim (loc, term) ->
250 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
251 | _ -> failwith "Not a MutInd"
253 let l = Whelp.elim ~dbd uri in
254 let entry = `Whelp (pp_macro (TA.WElim (loc, term)), l) in
255 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
256 [], parsed_text_length
257 | TA.WHint (loc, term) ->
258 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
259 let l = List.map fst (MQ.experimental_hint ~dbd s) in
260 let entry = `Whelp (pp_macro (TA.WHint (loc, term)), l) in
261 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
262 [], parsed_text_length
265 let proof = GrafiteTypes.get_current_proof grafite_status in
266 let proof_status = proof,user_goal in
267 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
268 let selected = guistuff.urichooser l in
270 | [] -> [], parsed_text_length
272 let suri = UriManager.string_of_uri uri in
274 TA.Executable (loc, (TA.Tactical (loc,
276 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
277 Some (TA.Dot loc)))) in
279 comment parsed_text ^ "\n" ^
280 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
281 let text_len = String.length text in
282 let loc = HExtlib.floc_of_loc (0,text_len) in
283 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
284 let res,_parsed_text_len =
285 eval_statement buffer guistuff lexicon_status grafite_status
286 user_goal script statement
288 (* we need to replace all the parsed_text *)
289 res,String.length parsed_text
292 "The result of the urichooser should be only 1 uri, not:\n";
294 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
297 | TA.Check (_,term) ->
298 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
299 let context = GrafiteTypes.get_proof_context grafite_status user_goal in
300 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
301 let t_and_ty = Cic.Cast (term,ty) in
302 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
303 [], parsed_text_length
305 | TA.Quit _ -> failwith "not implemented"
306 | TA.Print (_,kind) -> failwith "not implemented"
307 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
308 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
310 and eval_executable (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script loc ex
312 let module TAPp = GrafiteAstPp in
313 let module MD = GrafiteDisambiguator in
314 let module ML = MatitaMisc in
318 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
319 if not (GrafiteMisc.is_empty u) then
321 guistuff.ask_confirmation
322 ~title:"Baseuri redefinition"
324 "Baseuri " ^ u ^ " already exists.\n" ^
325 "Do you want to redefine the corresponding "^
326 "part of the library?")
329 let basedir = Helm_registry.get "matita.basedir" in
330 LibraryClean.clean_baseuris ~basedir [u]
332 | `CANCEL -> raise MatitaTypes.Cancel)
336 guistuff lexicon_status grafite_status user_goal parsed_text
337 (TA.Executable (loc, ex))
339 MatitaTypes.Cancel -> [], 0
340 | GrafiteEngine.Macro (_loc,lazy_macro) ->
341 let grafite_status,macro = lazy_macro user_goal in
342 eval_macro buffer guistuff lexicon_status grafite_status user_goal
343 unparsed_text parsed_text script macro
345 and eval_statement (buffer : GText.buffer) guistuff lexicon_status
346 grafite_status user_goal script statement
348 let (lexicon_status,st), unparsed_text =
351 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
352 GrafiteParser.parse_statement (Ulexing.from_utf8_string text)
353 ~include_paths:(Helm_registry.get_list
354 Helm_registry.string "matita.includes")
356 | `Ast (st, text) -> (lexicon_status, st), text
358 let text_of_loc loc =
359 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
360 let parsed_text = safe_substring unparsed_text 0 parsed_text_length in
361 parsed_text, parsed_text_length
364 | GrafiteParser.LNone loc ->
365 let parsed_text, parsed_text_length = text_of_loc loc in
366 [(grafite_status,lexicon_status),parsed_text],
368 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
369 let parsed_text, parsed_text_length = text_of_loc loc in
370 let remain_len = String.length unparsed_text - parsed_text_length in
371 let s = String.sub unparsed_text parsed_text_length remain_len in
374 eval_statement buffer guistuff lexicon_status grafite_status user_goal
377 HExtlib.Localized (floc, exn) ->
378 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
379 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
381 (GrafiteDisambiguator.DisambiguationError
382 (offset+parsed_text_length, errorll))
385 | (statuses,text)::tl ->
386 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
388 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
389 let parsed_text, parsed_text_length = text_of_loc loc in
390 eval_executable buffer guistuff lexicon_status grafite_status user_goal
391 unparsed_text parsed_text script loc ex
393 let fresh_script_id =
397 class script ~(source_view: GSourceView.source_view)
398 ~(mathviewer: MatitaTypes.mathViewer)
404 let buffer = source_view#buffer in
405 let source_buffer = source_view#source_buffer in
406 let initial_statuses =
408 Helm_registry.get_list Helm_registry.string "matita.includes" in
410 CicNotation2.load_notation ~include_paths
411 BuildTimeConf.core_notation_script in
412 let grafite_status = GrafiteSync.init () in
413 grafite_status,lexicon_status
416 val scriptId = fresh_script_id ()
419 mathviewer = mathviewer;
420 urichooser = urichooser;
421 ask_confirmation = ask_confirmation;
422 develcreator = develcreator;
423 filenamedata = (None, None)}
425 method private getFilename =
426 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
428 method filename = self#getFilename
430 method private ppFilename =
431 match guistuff.filenamedata with
433 | None,_ -> sprintf ".unnamed%d.ma" scriptId
436 ignore (GMain.Timeout.add ~ms:300000
437 ~callback:(fun _ -> self#_saveToBackupFile ();true));
438 ignore (buffer#connect#modified_changed
439 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
441 val mutable statements = [] (** executed statements *)
443 val mutable history = [ initial_statuses ]
444 (** list of states before having executed statements. Head element of this
445 * list is the current state, last element is the state at the beginning of
447 * Invariant: this list length is 1 + length of statements *)
449 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
450 val mutable userGoal = ~-1
452 (** text mark and tag representing locked part of a script *)
454 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
455 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
456 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
458 method locked_mark = locked_mark
459 method locked_tag = locked_tag
460 method error_tag = error_tag
462 (* history can't be empty, the invariant above grant that it contains at
463 * least the init grafite_status *)
464 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
465 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
467 method private _advance ?statement () =
469 let (entries, parsed_len) =
470 eval_statement buffer guistuff self#lexicon_status self#grafite_status
473 let new_statuses, new_statements =
474 let statuses, texts = List.split entries in
477 history <- new_statuses @ history;
478 statements <- new_statements @ statements;
479 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
480 let new_text = String.concat "" (List.rev new_statements) in
481 if statement <> None then
482 buffer#insert ~iter:start new_text
484 let s = match st with `Raw s | `Ast (_, s) -> s in
485 if new_text <> String.sub s 0 parsed_len then begin
486 buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
487 buffer#insert ~iter:start new_text;
490 self#moveMark (String.length new_text)
492 let s = match statement with Some s -> s | None -> self#getFuture in
493 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
494 (try aux (`Raw s) with End_of_file -> raise Margin)
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 | exc -> self#notify; raise exc
518 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
519 match statements,history with
520 stat::statements, _::(status::_ as history) ->
521 String.length stat, statements, history, status
522 | [],[_] -> raise Margin
523 | _,_ -> assert false
525 self#_retract cmp lexicon_status grafite_status new_statements
529 | Margin -> self#notify
530 | exc -> self#notify; raise exc
532 method private getFuture =
533 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
534 ~stop:buffer#end_iter ()
537 (** @param rel_offset relative offset from current position of locked_mark *)
538 method private moveMark rel_offset =
539 let mark = `MARK locked_mark in
540 let old_insert = buffer#get_iter_at_mark `INSERT in
541 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
542 let current_mark_pos = buffer#get_iter_at_mark mark in
544 match rel_offset with
545 | 0 -> current_mark_pos
546 | n when n > 0 -> current_mark_pos#forward_chars n
547 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
549 buffer#move_mark mark ~where:new_mark_pos;
550 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
551 buffer#move_mark `INSERT old_insert;
552 let mark_position = buffer#get_iter_at_mark mark in
553 if source_view#move_mark_onscreen mark then
555 buffer#move_mark mark mark_position;
556 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
558 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
560 method clean_dirty_lock =
561 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
562 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
563 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
565 val mutable observers = []
567 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
568 observers <- o :: observers
570 method private notify =
571 let lexicon_status = self#lexicon_status in
572 let grafite_status = self#grafite_status in
573 List.iter (fun o -> o lexicon_status grafite_status) observers
575 method loadFromFile f =
576 buffer#set_text (HExtlib.input_file f);
578 buffer#set_modified false
580 method assignFileName file =
581 let abspath = MatitaMisc.absolute_path file in
582 let devel = MatitamakeLib.development_for_dir (Filename.dirname abspath) in
583 guistuff.filenamedata <- Some abspath, devel
585 method saveToFile () =
586 let oc = open_out self#getFilename in
587 output_string oc (buffer#get_text ~start:buffer#start_iter
588 ~stop:buffer#end_iter ());
590 buffer#set_modified false
592 method private _saveToBackupFile () =
593 if buffer#modified then
595 let f = self#ppFilename ^ "~" in
596 let oc = open_out f in
597 output_string oc (buffer#get_text ~start:buffer#start_iter
598 ~stop:buffer#end_iter ());
600 HLog.debug ("backup " ^ f ^ " saved")
603 method private goto_top =
604 let grafite_status,lexicon_status =
605 let rec last x = function
607 | hd::tl -> last hd tl
609 last (self#grafite_status,self#lexicon_status) history
611 (* FIXME: this is not correct since there is no undo for
612 * library_objects.set_default... *)
613 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
614 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
616 method private reset_buffer =
618 history <- [ initial_statuses ];
621 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
622 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
626 source_buffer#begin_not_undoable_action ();
627 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
628 source_buffer#end_not_undoable_action ();
629 buffer#set_modified false;
632 let template = HExtlib.input_file BuildTimeConf.script_template in
633 buffer#insert ~iter:(buffer#get_iter `START) template;
634 guistuff.filenamedata <-
635 (None,MatitamakeLib.development_for_dir (Unix.getcwd ()));
636 buffer#set_modified false;
637 set_star (Filename.basename self#ppFilename) false
639 method goto (pos: [`Top | `Bottom | `Cursor]) () =
640 let old_locked_mark =
642 (buffer#create_mark ~name:"old_locked_mark"
643 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
644 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
645 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
646 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
649 dispose_old_locked_mark ();
657 let newpos = getpos () in
658 if (getoldpos ())#compare newpos < 0 then
660 buffer#move_mark old_locked_mark newpos;
665 dispose_old_locked_mark ();
668 | Margin -> dispose_old_locked_mark (); self#notify
669 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
671 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
672 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
675 (buffer#create_mark ~name:"initial_insert"
676 ~left_gravity:true (cursor_iter ())) in
677 let dispose_remember () = buffer#delete_mark remember in
678 let remember_iter () =
679 buffer#get_iter_at_mark (`NAME "initial_insert") in
680 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
682 let forward_until_cursor () = (* go forward until locked > cursor *)
685 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
688 buffer#move_mark old_locked_mark (getpos ());
694 let rec back_until_cursor len = (* go backward until locked < cursor *)
696 statements, ((grafite_status,lexicon_status)::_ as history)
698 self#_retract (icmp - len) lexicon_status grafite_status statements
700 | statement::tl1, _::tl2 ->
701 back_until_cursor (len - String.length statement) (tl1,tl2)
702 | _,_ -> assert false
706 if icmp < 0 then (* locked < cursor *)
707 (forward_until_cursor (); self#notify)
708 else if icmp > 0 then (* locked > cursor *)
709 (back_until_cursor icmp (statements,history); self#notify)
710 else (* cursor = locked *)
714 dispose_old_locked_mark ();
716 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
717 | exc -> dispose_remember (); dispose_old_locked_mark ();
718 self#notify; raise exc)
720 method onGoingProof () =
721 match self#grafite_status.proof_status with
722 | No_proof | Proof _ -> false
723 | Incomplete_proof _ -> true
724 | Intermediate _ -> assert false
726 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
727 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
728 method proofContext =
729 GrafiteTypes.get_proof_context self#grafite_status userGoal
730 method proofConclusion =
731 GrafiteTypes.get_proof_conclusion self#grafite_status userGoal
732 method stack = GrafiteTypes.get_stack self#grafite_status
733 method setGoal n = userGoal <- n
734 method goal = userGoal
737 let s = self#getFuture in
738 let rec is_there_and_executable lexicon_status s =
739 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
740 let lexicon_status,st =
741 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
742 ~include_paths:(Helm_registry.get_list
743 Helm_registry.string "matita.includes")
747 GrafiteParser.LNone loc
748 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
749 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
750 let remain_len = String.length s - parsed_text_length in
751 let next = String.sub s parsed_text_length remain_len in
752 is_there_and_executable lexicon_status next
753 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) -> false
756 is_there_and_executable self#lexicon_status s
758 | CicNotationParser.Parse_error _ -> false
759 | Margin | End_of_file -> true
763 HLog.debug "script status:";
764 HLog.debug ("history size: " ^ string_of_int (List.length history));
765 HLog.debug (sprintf "%d statements:" (List.length statements));
766 List.iter HLog.debug statements;
767 HLog.debug ("Current file name: " ^
768 (match guistuff.filenamedata with
769 |None,_ -> "[ no name ]"
774 let _script = ref None
776 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
779 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
784 let current () = match !_script with None -> assert false | Some s -> s