1 (* Copyright (C) 2004-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
31 module TA = GrafiteAst
34 let debug_print = if debug then prerr_endline else ignore
36 (** raised when one of the script margins (top or bottom) is reached *)
38 exception NoUnfinishedProof
39 exception ActionCancelled of string
41 let safe_substring s i j =
42 try String.sub s i j with Invalid_argument _ -> assert false
44 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
45 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)"
46 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
47 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
48 let newline_RE = Pcre.regexp "\n"
51 if Pcre.pmatch ~rex:multiline_RE str then
52 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
54 "\n(**\n" ^ str ^ "\n*)"
57 let s = Pcre.replace ~rex:heading_nl_RE s in
59 let nl_pos = String.index s '\n' in
63 (** creates a statement AST for the Goal tactic, e.g. "goal 7" *)
65 let module A = GrafiteAst in
66 let loc = HExtlib.dummy_floc in
67 A.Executable (loc, A.Tactical (loc,
68 A.Tactic (loc, A.Goal (loc, n)),
72 mathviewer:MatitaTypes.mathViewer;
73 urichooser: UriManager.uri list -> UriManager.uri list;
74 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
75 develcreator: containing:string option -> unit;
76 mutable filenamedata: string option * MatitamakeLib.development option
79 let eval_with_engine guistuff lexicon_status grafite_status user_goal
82 let module TAPp = GrafiteAstPp in
83 let parsed_text_length = String.length parsed_text in
84 let initial_space,parsed_text =
86 let pieces = Pcre.extract ~rex:heading_nl_RE' parsed_text in
87 let p1 = pieces.(1) in
88 let p1_len = String.length p1 in
89 let rest = String.sub parsed_text p1_len (parsed_text_length - p1_len) in
92 Not_found -> "", parsed_text in
93 let inital_space,new_grafite_status,new_lexicon_status,new_status_and_text_list' =
94 (* the code commented out adds the "select" command if needed *)
95 initial_space,grafite_status,lexicon_status,[] in
97 match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in
98 match grafite_status.proof_status with
99 | Incomplete_proof { stack = stack }
100 when not (List.mem user_goal (Continuationals.head_goals stack)) ->
102 MatitaEngine.eval_ast
103 ~do_heavy_checks:true grafite_status (goal_ast user_goal)
105 let initial_space = if initial_space = "" then "\n" else initial_space
107 "\n", grafite_status,
109 initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ]
110 | _ -> initial_space,grafite_status,[] in *)
111 let enriched_history_fragment =
112 MatitaEngine.eval_ast ~do_heavy_checks:true
113 new_lexicon_status new_grafite_status st
115 let _,new_text_list_rev =
116 let module DTE = DisambiguateTypes.Environment in
117 let module UM = UriManager in
119 fun (_,alias) (initial_space,acc) ->
121 None -> initial_space,initial_space::acc
122 | Some (k,((v,_) as value)) ->
125 if initial_space = "" then "\n" else initial_space
128 DisambiguatePp.pp_environment
129 (DisambiguateTypes.Environment.add k value
130 DisambiguateTypes.Environment.empty)
133 ) enriched_history_fragment (initial_space,[]) in
134 let new_text_list_rev =
135 match enriched_history_fragment,new_text_list_rev with
136 (_,None)::_, initial_space::tl -> (initial_space ^ parsed_text)::tl
137 | _,_ -> assert false
141 List.combine (fst (List.split enriched_history_fragment)) new_text_list_rev
143 Invalid_argument _ -> assert false
145 res,parsed_text_length
147 let wrap_with_developments guistuff f arg =
151 | DependenciesParser.UnableToInclude what
152 | LexiconEngine.IncludedFileNotCompiled what
153 | GrafiteEngine.IncludedFileNotCompiled what as exc ->
154 let compile_needed_and_go_on d =
155 let target = Pcre.replace ~pat:"lexicon$" ~templ:"moo" what in
157 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
159 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
164 let do_nothing () = raise (ActionCancelled "Inclusion not performed") in
165 let handle_with_devel d =
166 let name = MatitamakeLib.name_for_development d in
167 let title = "Unable to include " ^ what in
169 what ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
170 "<i>Should I compile it and Its dependencies?</i>"
172 (match guistuff.ask_confirmation ~title ~message with
173 | `YES -> compile_needed_and_go_on d
175 | `CANCEL -> do_nothing ())
177 let handle_without_devel filename =
178 let title = "Unable to include " ^ what in
180 what ^ " is <b>not</b> handled by a development.\n" ^
181 "All dependencies are automatically solved for a development.\n\n" ^
182 "<i>Do you want to set up a development?</i>"
184 (match guistuff.ask_confirmation ~title ~message with
188 guistuff.develcreator ~containing:(Some (Filename.dirname f))
189 | None -> guistuff.develcreator ~containing:None);
192 | `CANCEL -> do_nothing())
194 match guistuff.filenamedata with
195 | None,None -> handle_without_devel None
196 | None,Some d -> handle_with_devel d
198 match MatitamakeLib.development_for_dir (Filename.dirname f) with
199 | None -> handle_without_devel (Some f)
200 | Some d -> handle_with_devel d
204 guistuff lexicon_status grafite_status user_goal parsed_text st
206 wrap_with_developments guistuff
208 guistuff lexicon_status grafite_status user_goal parsed_text) st
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 include_paths (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 *)
226 TAPp.pp_macro ~term_pp:(ApplyTransformation.txt_of_cic_term max_int [] [])
230 | TA.WMatch (loc, term) ->
231 let l = Whelp.match_term ~dbd term in
232 let entry = `Whelp (pp_macro mac, l) in
233 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
234 [], parsed_text_length
235 | TA.WInstance (loc, term) ->
236 let l = Whelp.instance ~dbd term in
237 let entry = `Whelp (pp_macro mac, l) in
238 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
239 [], parsed_text_length
240 | TA.WLocate (loc, s) ->
241 let l = Whelp.locate ~dbd s in
242 let entry = `Whelp (pp_macro mac, l) in
243 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
244 [], parsed_text_length
245 | TA.WElim (loc, term) ->
248 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
249 | _ -> failwith "Not a MutInd"
251 let l = Whelp.elim ~dbd uri in
252 let entry = `Whelp (pp_macro mac, l) in
253 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
254 [], parsed_text_length
255 | TA.WHint (loc, term) ->
256 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
257 let l = List.map fst (MQ.experimental_hint ~dbd s) in
258 let entry = `Whelp (pp_macro mac, l) in
259 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
260 [], parsed_text_length
266 | None -> raise NoUnfinishedProof
268 let proof = GrafiteTypes.get_current_proof grafite_status in
269 let proof_status = proof,user_goal' in
270 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
271 let selected = guistuff.urichooser l in
273 | [] -> [], parsed_text_length
275 let suri = UriManager.string_of_uri uri in
277 TA.Executable (loc, (TA.Tactical (loc,
279 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
280 Some (TA.Dot loc)))) in
282 comment parsed_text ^ "\n" ^
283 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
284 let text_len = String.length text in
285 let loc = HExtlib.floc_of_loc (0,text_len) in
286 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
287 let res,_parsed_text_len =
288 eval_statement include_paths buffer guistuff lexicon_status
289 grafite_status user_goal script statement
291 (* we need to replace all the parsed_text *)
292 res,String.length parsed_text
295 "The result of the urichooser should be only 1 uri, not:\n";
297 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
300 | TA.Check (_,term) ->
301 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
305 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
306 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
307 let t_and_ty = Cic.Cast (term,ty) in
308 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
309 [], parsed_text_length
311 | TA.Quit _ -> failwith "not implemented"
312 | TA.Print (_,kind) -> failwith "not implemented"
313 | TA.Search_pat (_, search_kind, str) -> failwith "not implemented"
314 | TA.Search_term (_, search_kind, term) -> failwith "not implemented"
316 and eval_executable include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script loc ex
318 let module TAPp = GrafiteAstPp in
319 let module MD = GrafiteDisambiguator in
320 let module ML = MatitaMisc in
324 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
325 if Http_getter_storage.is_read_only u then
326 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
327 if not (Http_getter_storage.is_empty u) then
329 guistuff.ask_confirmation
330 ~title:"Baseuri redefinition"
332 "Baseuri " ^ u ^ " already exists.\n" ^
333 "Do you want to redefine the corresponding "^
334 "part of the library?")
336 | `YES -> LibraryClean.clean_baseuris [u]
338 | `CANCEL -> raise MatitaTypes.Cancel)
342 guistuff lexicon_status grafite_status user_goal parsed_text
343 (TA.Executable (loc, ex))
345 MatitaTypes.Cancel -> [], 0
346 | GrafiteEngine.Macro (_loc,lazy_macro) ->
350 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
351 let grafite_status,macro = lazy_macro context in
352 eval_macro include_paths buffer guistuff lexicon_status grafite_status
353 user_goal unparsed_text parsed_text script macro
355 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
356 grafite_status user_goal script statement
358 let (lexicon_status,st), unparsed_text =
361 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
363 wrap_with_developments guistuff
364 (GrafiteParser.parse_statement
365 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
368 | `Ast (st, text) -> (lexicon_status, st), text
370 let text_of_loc loc =
371 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
372 let parsed_text = safe_substring unparsed_text 0 parsed_text_length in
373 parsed_text, parsed_text_length
376 | GrafiteParser.LNone loc ->
377 let parsed_text, parsed_text_length = text_of_loc loc in
378 [(grafite_status,lexicon_status),parsed_text],
380 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
381 let parsed_text, parsed_text_length = text_of_loc loc in
382 let remain_len = String.length unparsed_text - parsed_text_length in
383 let s = String.sub unparsed_text parsed_text_length remain_len in
386 eval_statement include_paths buffer guistuff lexicon_status
387 grafite_status user_goal script (`Raw s)
389 HExtlib.Localized (floc, exn) ->
390 HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
391 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
393 (GrafiteDisambiguator.DisambiguationError
394 (offset+parsed_text_length, errorll))
397 | (statuses,text)::tl ->
398 (statuses,parsed_text ^ text)::tl,parsed_text_length + len
400 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
401 let parsed_text, parsed_text_length = text_of_loc loc in
402 eval_executable include_paths buffer guistuff lexicon_status
403 grafite_status user_goal unparsed_text parsed_text script loc ex
405 let fresh_script_id =
409 class script ~(source_view: GSourceView.source_view)
410 ~(mathviewer: MatitaTypes.mathViewer)
416 let buffer = source_view#buffer in
417 let source_buffer = source_view#source_buffer in
418 let initial_statuses () =
419 (* these include_paths are used only to load the initial notation *)
421 Helm_registry.get_list Helm_registry.string "matita.includes" in
423 CicNotation2.load_notation ~include_paths
424 BuildTimeConf.core_notation_script in
425 let grafite_status = GrafiteSync.init () in
426 grafite_status,lexicon_status
429 val mutable include_paths =
430 Helm_registry.get_list Helm_registry.string "matita.includes"
432 val scriptId = fresh_script_id ()
435 mathviewer = mathviewer;
436 urichooser = urichooser;
437 ask_confirmation = ask_confirmation;
438 develcreator = develcreator;
439 filenamedata = (None, None)}
441 method private getFilename =
442 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
444 method filename = self#getFilename
446 method private ppFilename =
447 match guistuff.filenamedata with
449 | None,_ -> sprintf ".unnamed%d.ma" scriptId
452 ignore (GMain.Timeout.add ~ms:300000
453 ~callback:(fun _ -> self#_saveToBackupFile ();true));
454 ignore (buffer#connect#modified_changed
455 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
457 val mutable statements = [] (** executed statements *)
459 val mutable history = [ initial_statuses () ]
460 (** list of states before having executed statements. Head element of this
461 * list is the current state, last element is the state at the beginning of
463 * Invariant: this list length is 1 + length of statements *)
465 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
466 val mutable userGoal = None
468 (** text mark and tag representing locked part of a script *)
470 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
471 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
472 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
474 method locked_mark = locked_mark
475 method locked_tag = locked_tag
476 method error_tag = error_tag
478 (* history can't be empty, the invariant above grant that it contains at
479 * least the init grafite_status *)
480 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
481 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
483 method private _advance ?statement () =
484 let s = match statement with Some s -> s | None -> self#getFuture in
485 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
486 let (entries, parsed_len) =
488 eval_statement include_paths buffer guistuff self#lexicon_status
489 self#grafite_status userGoal self (`Raw s)
490 with End_of_file -> raise Margin
492 let new_statuses, new_statements =
493 let statuses, texts = List.split entries in
496 history <- new_statuses @ history;
497 statements <- new_statements @ statements;
498 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
499 let new_text = String.concat "" (List.rev new_statements) in
500 if statement <> None then
501 buffer#insert ~iter:start new_text
503 if new_text <> String.sub s 0 parsed_len then begin
504 buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
505 buffer#insert ~iter:start new_text;
508 self#moveMark (String.length new_text);
509 (* here we need to set the Goal in case we are going to cursor (or to
510 bottom) and we will face a macro *)
511 match self#grafite_status.proof_status with
512 Incomplete_proof p ->
514 (try Some (Continuationals.Stack.find_goal p.stack)
515 with Failure _ -> None)
516 | _ -> userGoal <- None
518 method private _retract offset lexicon_status grafite_status new_statements
521 let cur_grafite_status,cur_lexicon_status =
522 match history with s::_ -> s | [] -> assert false
524 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
525 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
526 statements <- new_statements;
527 history <- new_history;
528 self#moveMark (- offset)
530 method advance ?statement () =
532 self#_advance ?statement ();
535 | Margin -> self#notify
536 | Not_found -> assert false
537 | exc -> self#notify; raise exc
541 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
542 match statements,history with
543 stat::statements, _::(status::_ as history) ->
544 String.length stat, statements, history, status
545 | [],[_] -> raise Margin
546 | _,_ -> assert false
548 self#_retract cmp lexicon_status grafite_status new_statements
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: LexiconEngine.status -> GrafiteTypes.status -> unit) =
591 observers <- o :: observers
593 method private notify =
594 let lexicon_status = self#lexicon_status in
595 let grafite_status = self#grafite_status in
596 List.iter (fun o -> o lexicon_status grafite_status) observers
598 method loadFromFile f =
599 buffer#set_text (HExtlib.input_file f);
601 buffer#set_modified false
603 method assignFileName file =
604 let abspath = MatitaMisc.absolute_path file in
605 let dirname = Filename.dirname abspath in
606 let devel = MatitamakeLib.development_for_dir dirname in
607 guistuff.filenamedata <- Some abspath, devel;
609 match MatitamakeLib.development_for_dir dirname with
611 | Some devel -> [MatitamakeLib.root_for_development devel] in
613 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
615 include_paths <- include_
617 method saveToFile () =
618 let oc = open_out self#getFilename in
619 output_string oc (buffer#get_text ~start:buffer#start_iter
620 ~stop:buffer#end_iter ());
622 buffer#set_modified false
624 method private _saveToBackupFile () =
625 if buffer#modified then
627 let f = self#ppFilename ^ "~" in
628 let oc = open_out f in
629 output_string oc (buffer#get_text ~start:buffer#start_iter
630 ~stop:buffer#end_iter ());
632 HLog.debug ("backup " ^ f ^ " saved")
635 method private goto_top =
636 let grafite_status,lexicon_status =
637 let rec last x = function
639 | hd::tl -> last hd tl
641 last (self#grafite_status,self#lexicon_status) history
643 (* FIXME: this is not correct since there is no undo for
644 * library_objects.set_default... *)
645 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
646 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
648 method private reset_buffer =
650 history <- [ initial_statuses () ];
653 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
654 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
658 source_buffer#begin_not_undoable_action ();
659 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
660 source_buffer#end_not_undoable_action ();
661 buffer#set_modified false;
664 let template = HExtlib.input_file BuildTimeConf.script_template in
665 buffer#insert ~iter:(buffer#get_iter `START) template;
666 let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
667 guistuff.filenamedata <- (None,development);
669 match development with
671 | Some devel -> [MatitamakeLib.root_for_development devel ]
674 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
676 include_paths <- include_ ;
677 buffer#set_modified false;
678 set_star (Filename.basename self#ppFilename) false
680 method goto (pos: [`Top | `Bottom | `Cursor]) () =
681 let old_locked_mark =
683 (buffer#create_mark ~name:"old_locked_mark"
684 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
685 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
686 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
687 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
690 dispose_old_locked_mark ();
698 let newpos = getpos () in
699 if (getoldpos ())#compare newpos < 0 then
701 buffer#move_mark old_locked_mark newpos;
706 dispose_old_locked_mark ();
709 | Margin -> dispose_old_locked_mark (); self#notify
710 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
712 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
713 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
716 (buffer#create_mark ~name:"initial_insert"
717 ~left_gravity:true (cursor_iter ())) in
718 let dispose_remember () = buffer#delete_mark remember in
719 let remember_iter () =
720 buffer#get_iter_at_mark (`NAME "initial_insert") in
721 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
723 let forward_until_cursor () = (* go forward until locked > cursor *)
726 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
729 buffer#move_mark old_locked_mark (getpos ());
735 let rec back_until_cursor len = (* go backward until locked < cursor *)
737 statements, ((grafite_status,lexicon_status)::_ as history)
739 self#_retract (icmp - len) lexicon_status grafite_status statements
741 | statement::tl1, _::tl2 ->
742 back_until_cursor (len - String.length statement) (tl1,tl2)
743 | _,_ -> assert false
747 if icmp < 0 then (* locked < cursor *)
748 (forward_until_cursor (); self#notify)
749 else if icmp > 0 then (* locked > cursor *)
750 (back_until_cursor icmp (statements,history); self#notify)
751 else (* cursor = locked *)
755 dispose_old_locked_mark ();
757 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
758 | exc -> dispose_remember (); dispose_old_locked_mark ();
759 self#notify; raise exc)
761 method onGoingProof () =
762 match self#grafite_status.proof_status with
763 | No_proof | Proof _ -> false
764 | Incomplete_proof _ -> true
765 | Intermediate _ -> assert false
767 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
768 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
770 method proofContext =
773 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
775 method proofConclusion =
779 GrafiteTypes.get_proof_conclusion self#grafite_status n
781 method stack = GrafiteTypes.get_stack self#grafite_status
782 method setGoal n = userGoal <- n
783 method goal = userGoal
786 let s = self#getFuture in
787 let rec is_there_only_comments lexicon_status s =
788 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
789 let lexicon_status,st =
790 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
791 ~include_paths lexicon_status
794 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
795 let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
796 let remain_len = String.length s - parsed_text_length in
797 let next = String.sub s parsed_text_length remain_len in
798 is_there_only_comments lexicon_status next
799 | GrafiteParser.LNone _
800 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
803 is_there_only_comments self#lexicon_status s
805 | HExtlib.Localized _
806 | CicNotationParser.Parse_error _ -> false
807 | Margin | End_of_file -> true
811 HLog.debug "script status:";
812 HLog.debug ("history size: " ^ string_of_int (List.length history));
813 HLog.debug (sprintf "%d statements:" (List.length statements));
814 List.iter HLog.debug statements;
815 HLog.debug ("Current file name: " ^
816 (match guistuff.filenamedata with
817 |None,_ -> "[ no name ]"
822 let _script = ref None
824 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
827 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
832 let current () = match !_script with None -> assert false | Some s -> s