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"
49 let comment_RE = Pcre.regexp "\\(\\*(.|\n)*\\*\\)\n?" ~flags:[`UNGREEDY]
52 if Pcre.pmatch ~rex:multiline_RE str then
53 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
55 "\n(**\n" ^ str ^ "\n*)"
57 let strip_comments str =
58 Pcre.qreplace ~templ:"\n" ~pat:"\n\n" (Pcre.qreplace ~rex:comment_RE str)
62 let s = Pcre.replace ~rex:heading_nl_RE s in
64 let nl_pos = String.index s '\n' in
69 mathviewer:MatitaTypes.mathViewer;
70 urichooser: NReference.reference list -> NReference.reference list;
71 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
74 let eval_with_engine include_paths guistuff grafite_status user_goal
75 skipped_txt nonskipped_txt st
77 let parsed_text_length =
78 String.length skipped_txt + String.length nonskipped_txt
80 let text = skipped_txt ^ nonskipped_txt in
81 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
82 let enriched_history_fragment =
83 MatitaEngine.eval_ast ~do_heavy_checks:(Helm_registry.get_bool
84 "matita.do_heavy_checks")
85 grafite_status (text,prefix_len,st)
87 let enriched_history_fragment = List.rev enriched_history_fragment in
91 (fun (acc, to_prepend) (status,alias) ->
93 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
95 let newtxt = LexiconAstPp.pp_alias value in
96 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
97 ([],skipped_txt) enriched_history_fragment
99 res,"",parsed_text_length
102 (* this function calls the parser in a way that it does not perform inclusions,
103 * so that we can ensure the inclusion is performed after the included file
104 * is compiled (if needed). matitac does not need that, since it compiles files
105 * in the good order, here files may be compiled on demand. *)
106 let wrap_with_make include_paths (f : #LexiconEngine.status GrafiteParser.statement) x =
108 f ~never_include:true ~include_paths x
110 | GrafiteParser.NoInclusionPerformed mafilename ->
111 let root, buri, _, tgt =
112 try Librarian.baseuri_of_script ~include_paths mafilename
113 with Librarian.NoRootFor _ ->
114 HLog.error ("The included file '"^mafilename^"' has no root file,");
115 HLog.error "please create it.";
116 raise (Failure ("No root file for "^mafilename))
118 let b = MatitacLib.Make.make root [tgt] in
120 try f ~include_paths x with LexiconEngine.IncludedFileNotCompiled _ ->
122 (Failure ("Including: "^tgt^
123 "\nNothing to do... did you run matitadep?"))
124 else raise (Failure ("Compiling: " ^ tgt))
127 let pp_eager_statement_ast = GrafiteAstPp.pp_statement
129 let eval_nmacro include_paths (buffer : GText.buffer) guistuff grafite_status user_goal unparsed_text parsed_text script mac =
130 let parsed_text_length = String.length parsed_text in
132 | TA.Screenshot (_,name) ->
133 let status = script#grafite_status in
134 let _,_,menv,subst,_ = status#obj in
135 let name = Filename.dirname (script#filename) ^ "/" ^ name in
137 let selected = Continuationals.Stack.head_goals status#stack in
138 List.filter (fun x,_ -> List.mem x selected) menv
140 guistuff.mathviewer#screenshot status sequents menv subst name;
141 [status, parsed_text], "", parsed_text_length
143 let status = script#grafite_status in
144 let _,_,menv,subst,_ = status#obj in
146 try let _,(_,ctx,_) = List.hd menv in ctx
147 with Failure "hd" -> []
149 let m, s, status, t =
150 GrafiteDisambiguate.disambiguate_nterm
151 None status ctx menv subst (parsed_text,parsed_text_length,
152 NotationPt.Cast (t,NotationPt.Implicit `JustOne))
153 (* XXX use the metasenv, if possible *)
155 guistuff.mathviewer#show_entry (`NCic (t,ctx,m,s));
156 [status, parsed_text], "", parsed_text_length
157 | TA.NIntroGuess _loc ->
158 let names_ref = ref [] in
160 NTactics.intros_tac ~names_ref [] script#grafite_status
162 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
163 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
164 [s, nl ^ "#" ^ String.concat " " !names_ref ^ ";"], "", parsed_text_length
165 | TA.NAutoInteractive (_loc, (None,a)) ->
166 let trace_ref = ref [] in
169 ~params:(None,a) ~trace_ref script#grafite_status
172 try List.assoc "depth" a
175 let trace = "/"^(if int_of_string depth > 1 then depth else "")^"/ by " in
177 match !trace_ref with
181 (HExtlib.filter_map (function
182 | NotationPt.NRef r -> Some (NCicPp.r2s true r)
186 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
187 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
188 [s, nl ^ trace ^ thms ^ ";"], "", parsed_text_length
189 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
191 let rec eval_executable include_paths (buffer : GText.buffer) guistuff
192 grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
196 ignore (buffer#move_mark (`NAME "beginning_of_statement")
197 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
198 (Glib.Utf8.length skipped_txt))) ;
199 eval_with_engine include_paths
200 guistuff grafite_status user_goal skipped_txt nonskipped_txt
201 (TA.Executable (loc, ex))
203 MatitaTypes.Cancel -> [], "", 0
204 | GrafiteEngine.NMacro (_loc,macro) ->
205 eval_nmacro include_paths buffer guistuff grafite_status
206 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
209 and eval_statement include_paths (buffer : GText.buffer) guistuff
210 grafite_status user_goal script statement
212 let (grafite_status,st), unparsed_text =
215 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
217 wrap_with_make include_paths
218 (GrafiteParser.parse_statement (Ulexing.from_utf8_string text))
222 | `Ast (st, text) -> (grafite_status, st), text
224 let text_of_loc floc =
225 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
226 let start, stop = HExtlib.loc_of_floc floc in
227 let floc = HExtlib.floc_of_loc (0, start) in
228 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
229 let floc = HExtlib.floc_of_loc (0, stop) in
230 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
231 txt,nonskipped_txt,skipped_txt,len
234 | GrafiteParser.LNone loc ->
235 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
236 [grafite_status,parsed_text],"",
238 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
239 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
240 eval_executable include_paths buffer guistuff
241 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
242 | GrafiteParser.LSome (GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex)))
243 when Helm_registry.get_bool "matita.execcomments" ->
244 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
245 eval_executable include_paths buffer guistuff
246 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
247 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
248 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
249 let remain_len = String.length unparsed_text - parsed_text_length in
250 let s = String.sub unparsed_text parsed_text_length remain_len in
253 eval_statement include_paths buffer guistuff
254 grafite_status user_goal script (`Raw s)
256 HExtlib.Localized (floc, exn) ->
257 HExtlib.raise_localized_exception
258 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
259 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
261 (MultiPassDisambiguator.DisambiguationError
262 (offset+parsed_text_length, errorll))
264 assert (text=""); (* no macros inside comments, please! *)
266 | (statuses,text)::tl ->
267 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
270 let fresh_script_id =
274 class script ~(source_view: GSourceView2.source_view)
275 ~(mathviewer: MatitaTypes.mathViewer)
280 let buffer = source_view#buffer in
281 let source_buffer = source_view#source_buffer in
282 let initial_statuses current baseuri =
283 let empty_lstatus = new LexiconEngine.status in
286 LexiconSync.time_travel ~present:current ~past:empty_lstatus;
287 NCicLibrary.time_travel
288 ((new GrafiteTypes.status current#baseuri)#set_lstatus current#lstatus);
289 (* CSC: there is a known bug in invalidation; temporary fix here *)
290 NCicEnvironment.invalidate ()
293 CicNotation2.load_notation ~include_paths:[] empty_lstatus
294 BuildTimeConf.core_notation_script
296 let grafite_status = (new GrafiteTypes.status baseuri)#set_lstatus lexicon_status#lstatus in
299 let read_include_paths file =
301 let root, _buri, _fname, _tgt =
302 Librarian.baseuri_of_script ~include_paths:[] file
305 Str.split (Str.regexp " ")
306 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
308 List.iter (HLog.debug) rc; rc
309 with Librarian.NoRootFor _ | Not_found -> []
311 let default_buri = "cic:/matita/tests" in
312 let default_fname = ".unnamed.ma" in
314 val mutable include_paths_ = []
316 val scriptId = fresh_script_id ()
319 mathviewer = mathviewer;
320 urichooser = urichooser;
321 ask_confirmation = ask_confirmation;
324 val mutable filename_ = (None : string option)
326 method has_name = filename_ <> None
328 method include_paths =
330 Helm_registry.get_list Helm_registry.string "matita.includes"
332 method private curdir =
334 let root, _buri, _fname, _tgt =
335 Librarian.baseuri_of_script ~include_paths:self#include_paths
339 with Librarian.NoRootFor _ -> Sys.getcwd ()
341 method buri_of_current_file =
343 | None -> default_buri
346 let _root, buri, _fname, _tgt =
347 Librarian.baseuri_of_script ~include_paths:self#include_paths f
350 with Librarian.NoRootFor _ -> default_buri
352 method filename = match filename_ with None -> default_fname | Some f -> f
355 ignore (GMain.Timeout.add ~ms:300000
356 ~callback:(fun _ -> self#_saveToBackupFile ();true));
357 ignore (buffer#connect#modified_changed
358 (fun _ -> set_star buffer#modified))
360 val mutable statements = [] (** executed statements *)
362 val mutable history = [ initial_statuses None default_buri ]
363 (** list of states before having executed statements. Head element of this
364 * list is the current state, last element is the state at the beginning of
366 * Invariant: this list length is 1 + length of statements *)
368 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
369 val mutable userGoal = (None : int option)
371 (** text mark and tag representing locked part of a script *)
373 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
374 val beginning_of_statement_mark =
375 buffer#create_mark ~name:"beginning_of_statement"
376 ~left_gravity:true buffer#start_iter
377 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
378 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
380 method locked_mark = locked_mark
381 method locked_tag = locked_tag
382 method error_tag = error_tag
384 (* history can't be empty, the invariant above grant that it contains at
385 * least the init grafite_status *)
386 method grafite_status = match history with s::_ -> s | _ -> assert false
388 method private _advance ?statement () =
389 let s = match statement with Some s -> s | None -> self#getFuture in
390 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
391 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
392 let time1 = Unix.gettimeofday () in
393 let entries, newtext, parsed_len =
395 eval_statement self#include_paths buffer guistuff
396 self#grafite_status userGoal self (`Raw s)
397 with End_of_file -> raise Margin
399 let time2 = Unix.gettimeofday () in
400 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
401 let new_statuses, new_statements =
402 let statuses, texts = List.split entries in
405 history <- new_statuses @ history;
406 statements <- new_statements @ statements;
407 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
408 let new_text = String.concat "" (List.rev new_statements) in
409 if statement <> None then
410 buffer#insert ~iter:start new_text
412 let parsed_text = String.sub s 0 parsed_len in
413 if new_text <> parsed_text then begin
414 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
415 buffer#delete ~start ~stop;
416 buffer#insert ~iter:start new_text;
419 self#moveMark (Glib.Utf8.length new_text);
420 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
421 (* here we need to set the Goal in case we are going to cursor (or to
422 bottom) and we will face a macro *)
425 method private _retract offset grafite_status new_statements
428 let cur_grafite_status =
429 match history with s::_ -> s | [] -> assert false
431 LexiconSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
432 NCicLibrary.time_travel grafite_status;
433 statements <- new_statements;
434 history <- new_history;
435 self#moveMark (- offset)
437 method advance ?statement () =
439 self#_advance ?statement ();
442 | Margin -> self#notify
443 | Not_found -> assert false
444 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
445 | exc -> self#notify; raise exc
449 let cmp,new_statements,new_history,grafite_status =
450 match statements,history with
451 stat::statements, _::(status::_ as history) ->
452 assert (Glib.Utf8.validate stat);
453 Glib.Utf8.length stat, statements, history, status
454 | [],[_] -> raise Margin
455 | _,_ -> assert false
457 self#_retract cmp grafite_status new_statements
461 | Margin -> self#notify
462 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
463 | exc -> self#notify; raise exc
465 method private getFuture =
466 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
467 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
470 method expandAllVirtuals =
471 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
472 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
473 buffer#delete ~start:lock ~stop:buffer#end_iter;
474 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
475 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
476 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
478 Pcre.substitute_substrings
480 let pristine = Pcre.get_substring str 0 in
482 if pristine.[0] = ' ' then
483 String.sub pristine 1 (String.length pristine -1)
487 if input.[String.length input-1] = ' ' then
488 String.sub input 0 (String.length input -1)
492 if input = "\\forall" ||
493 input = "\\lambda" ||
494 input = "\\exists" then "","" else " ", " "
497 before ^ Glib.Utf8.from_unichar
498 (snd (Virtuals.symbol_of_virtual input)) ^ after
499 with Virtuals.Not_a_virtual -> pristine)
500 ~pat:" ?\\\\[a-zA-Z]+ ?" text
502 buffer#insert ~iter:lock text
504 (** @param rel_offset relative offset from current position of locked_mark *)
505 method private moveMark rel_offset =
506 let mark = `MARK locked_mark in
507 let old_insert = buffer#get_iter_at_mark `INSERT in
508 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
509 let current_mark_pos = buffer#get_iter_at_mark mark in
511 match rel_offset with
512 | 0 -> current_mark_pos
513 | n when n > 0 -> current_mark_pos#forward_chars n
514 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
516 buffer#move_mark mark ~where:new_mark_pos;
517 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
518 buffer#move_mark `INSERT old_insert;
519 let mark_position = buffer#get_iter_at_mark mark in
520 if source_view#move_mark_onscreen mark then
522 buffer#move_mark mark mark_position;
523 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
525 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
527 method clean_dirty_lock =
528 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
529 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
530 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
532 val mutable observers = []
534 method addObserver (o: GrafiteTypes.status -> unit) =
535 observers <- o :: observers
537 method private notify =
538 let grafite_status = self#grafite_status in
539 List.iter (fun o -> o grafite_status) observers
541 method loadFromString s =
544 buffer#set_modified true
546 method loadFromFile f =
547 buffer#set_text (HExtlib.input_file f);
549 buffer#set_modified false
551 method assignFileName file =
554 | Some f -> Some (Librarian.absolutize f)
559 (match file with Some file -> read_include_paths file | None -> []);
561 Sys.chdir self#curdir;
562 HLog.debug ("Moving to " ^ Sys.getcwd ())
564 method saveToFile () =
565 if self#has_name then
566 let oc = open_out self#filename in
567 output_string oc (buffer#get_text ~start:buffer#start_iter
568 ~stop:buffer#end_iter ());
571 buffer#set_modified false
573 HLog.error "Can't save, no filename selected"
575 method private _saveToBackupFile () =
576 if buffer#modified then
578 let f = self#filename in
579 let oc = open_out f in
580 output_string oc (buffer#get_text ~start:buffer#start_iter
581 ~stop:buffer#end_iter ());
583 HLog.debug ("backup " ^ f ^ " saved")
586 method private reset_buffer =
588 history <- [ initial_statuses (Some self#grafite_status) self#buri_of_current_file ];
591 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
592 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
596 source_buffer#begin_not_undoable_action ();
597 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
598 source_buffer#end_not_undoable_action ();
599 buffer#set_modified false;
602 let template = HExtlib.input_file BuildTimeConf.script_template in
603 buffer#insert ~iter:(buffer#get_iter `START) template;
604 buffer#set_modified false;
607 method goto (pos: [`Top | `Bottom | `Cursor]) () =
609 let old_locked_mark =
611 (buffer#create_mark ~name:"old_locked_mark"
612 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
613 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
614 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
615 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
618 dispose_old_locked_mark ();
625 let newpos = getpos () in
626 if (getoldpos ())#compare newpos < 0 then
628 buffer#move_mark old_locked_mark newpos;
633 dispose_old_locked_mark ();
636 | Margin -> dispose_old_locked_mark (); self#notify
637 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
639 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
640 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
643 (buffer#create_mark ~name:"initial_insert"
644 ~left_gravity:true (cursor_iter ())) in
645 let dispose_remember () = buffer#delete_mark remember in
646 let remember_iter () =
647 buffer#get_iter_at_mark (`NAME "initial_insert") in
648 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
650 let forward_until_cursor () = (* go forward until locked > cursor *)
653 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
656 buffer#move_mark old_locked_mark (getpos ());
662 let rec back_until_cursor len = (* go backward until locked < cursor *)
664 statements, ((grafite_status)::_ as history)
666 self#_retract (icmp - len) grafite_status statements
668 | statement::tl1, _::tl2 ->
669 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
670 | _,_ -> assert false
674 if icmp < 0 then (* locked < cursor *)
675 (forward_until_cursor (); self#notify)
676 else if icmp > 0 then (* locked > cursor *)
677 (back_until_cursor icmp (statements,history); self#notify)
678 else (* cursor = locked *)
682 dispose_old_locked_mark ();
684 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
685 | exc -> dispose_remember (); dispose_old_locked_mark ();
686 self#notify; raise exc)
687 with Invalid_argument "Array.make" ->
688 HLog.error "The script is too big!\n"
690 method stack = (assert false : Continuationals.Stack.t) (* MATITA 1.0 GrafiteTypes.get_stack
691 self#grafite_status *)
692 method setGoal n = userGoal <- n
693 method goal = userGoal
701 let rec is_there_only_comments lexicon_status s =
702 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
703 let lexicon_status,st =
704 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
705 ~include_paths:self#include_paths lexicon_status
708 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
709 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
710 (* CSC: why +1 in the following lines ???? *)
711 let parsed_text_length = parsed_text_length + 1 in
712 let remain_len = String.length s - parsed_text_length in
713 let next = String.sub s parsed_text_length remain_len in
714 is_there_only_comments lexicon_status next
715 | GrafiteParser.LNone _
716 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
718 try is_there_only_comments self#grafite_status self#getFuture
720 | LexiconEngine.IncludedFileNotCompiled _
721 | HExtlib.Localized _
722 | CicNotationParser.Parse_error _ -> false
723 | Margin | End_of_file -> true
724 | Invalid_argument "Array.make" -> false
728 HLog.debug "script status:";
729 HLog.debug ("history size: " ^ string_of_int (List.length history));
730 HLog.debug (sprintf "%d statements:" (List.length statements));
731 List.iter HLog.debug statements;
732 HLog.debug ("Current file name: " ^ self#filename);
735 let _script = ref None
737 let script ~source_view ~mathviewer ~urichooser ~ask_confirmation ~set_star ()
740 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~set_star ()
745 let current () = match !_script with None -> assert false | Some s -> s