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 urichooser: NReference.reference list -> NReference.reference list;
70 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
73 let eval_with_engine include_paths guistuff grafite_status skipped_txt nonskipped_txt st
75 let parsed_text_length =
76 String.length skipped_txt + String.length nonskipped_txt
78 let text = skipped_txt ^ nonskipped_txt in
79 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
80 let enriched_history_fragment =
81 MatitaEngine.eval_ast ~include_paths ~do_heavy_checks:(Helm_registry.get_bool
82 "matita.do_heavy_checks")
83 grafite_status (text,prefix_len,st)
85 let enriched_history_fragment = List.rev enriched_history_fragment in
89 (fun (acc, to_prepend) (status,alias) ->
91 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
93 let newtxt = GrafiteAstPp.pp_alias value in
94 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
95 ([],skipped_txt) enriched_history_fragment
97 res,"",parsed_text_length
100 let pp_eager_statement_ast = GrafiteAstPp.pp_statement
102 let eval_nmacro include_paths (buffer : GText.buffer) guistuff grafite_status unparsed_text parsed_text script mac =
103 let parsed_text_length = String.length parsed_text in
105 | TA.Screenshot (_,name) ->
106 let status = script#grafite_status in
107 let _,_,menv,subst,_ = status#obj in
108 let name = Filename.dirname (script#filename) ^ "/" ^ name in
110 let selected = Continuationals.Stack.head_goals status#stack in
111 List.filter (fun x,_ -> List.mem x selected) menv
113 CicMathView.screenshot status sequents menv subst name;
114 [status, parsed_text], "", parsed_text_length
116 let status = script#grafite_status in
117 let _,_,menv,subst,_ = status#obj in
119 match Continuationals.Stack.head_goals status#stack with
124 "Many goals focused. Using the context of the first one\n";
125 let _, ctx, _ = NCicUtils.lookup_meta g menv in
127 let m, s, status, t =
128 GrafiteDisambiguate.disambiguate_nterm
129 status None ctx menv subst (parsed_text,parsed_text_length,
130 NotationPt.Cast (t,NotationPt.Implicit `JustOne))
131 (* XXX use the metasenv, if possible *)
133 MatitaMathView.show_entry (`NCic (t,ctx,m,s));
134 [status, parsed_text], "", parsed_text_length
135 | TA.NIntroGuess _loc ->
136 let names_ref = ref [] in
138 NTactics.intros_tac ~names_ref [] script#grafite_status
140 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
141 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
142 [s, nl ^ "#" ^ String.concat " " !names_ref ^ ";"], "", parsed_text_length
143 | TA.NAutoInteractive (_loc, (None,a)) ->
144 let trace_ref = ref [] in
147 ~params:(None,a) ~trace_ref script#grafite_status
150 try List.assoc "depth" a
153 let trace = "/"^(if int_of_string depth > 1 then depth else "")^"/ by " in
155 match !trace_ref with
159 (HExtlib.filter_map (function
160 | NotationPt.NRef r -> Some (NCicPp.r2s true r)
164 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
165 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
166 [s, nl ^ trace ^ thms ^ ";"], "", parsed_text_length
167 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
169 let rec eval_executable include_paths (buffer : GText.buffer) guistuff
170 grafite_status unparsed_text skipped_txt nonskipped_txt script ex loc
173 ignore (buffer#move_mark (`NAME "beginning_of_statement")
174 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
175 (Glib.Utf8.length skipped_txt))) ;
176 eval_with_engine include_paths
177 guistuff grafite_status skipped_txt nonskipped_txt
178 (TA.Executable (loc, ex))
180 MatitaTypes.Cancel -> [], "", 0
181 | GrafiteEngine.NMacro (_loc,macro) ->
182 eval_nmacro include_paths buffer guistuff grafite_status
183 unparsed_text (skipped_txt ^ nonskipped_txt) script macro
186 and eval_statement include_paths (buffer : GText.buffer) guistuff
187 grafite_status script statement
189 let st,unparsed_text =
192 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
194 GrafiteParser.parsable_statement grafite_status
195 (Ulexing.from_utf8_string text) in
196 let ast = MatitaEngine.get_ast grafite_status include_paths strm in
198 | `Ast (st, text) -> st, text
200 let text_of_loc floc =
201 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
202 let start, stop = HExtlib.loc_of_floc floc in
203 let floc = HExtlib.floc_of_loc (0, start) in
204 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
205 let floc = HExtlib.floc_of_loc (0, stop) in
206 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
207 txt,nonskipped_txt,skipped_txt,len
210 | GrafiteAst.Executable (loc, ex) ->
211 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
212 eval_executable include_paths buffer guistuff
213 grafite_status unparsed_text skipped nonskipped script ex loc
214 | GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex))
215 when Helm_registry.get_bool "matita.execcomments" ->
216 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
217 eval_executable include_paths buffer guistuff
218 grafite_status unparsed_text skipped nonskipped script ex loc
219 | GrafiteAst.Comment (loc, _) ->
220 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
221 let remain_len = String.length unparsed_text - parsed_text_length in
222 let s = String.sub unparsed_text parsed_text_length remain_len in
225 eval_statement include_paths buffer guistuff
226 grafite_status script (`Raw s)
228 HExtlib.Localized (floc, exn) ->
229 HExtlib.raise_localized_exception
230 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
231 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
233 (MultiPassDisambiguator.DisambiguationError
234 (offset+parsed_text_length, errorll))
236 assert (text=""); (* no macros inside comments, please! *)
238 | (statuses,text)::tl ->
239 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
242 let fresh_script_id =
246 (** Selection handling
247 * Two clipboards are used: "clipboard" and "primary".
248 * "primary" is used by X, when you hit the middle button mouse is content is
249 * pasted between applications. In Matita this selection always contain the
250 * textual version of the selected term.
251 * "clipboard" is used inside Matita only and support ATM two different targets:
252 * "TERM" and "PATTERN", in the future other targets like "MATHMLCONTENT" may
255 class script ~ask_confirmation ~urichooser ~(parent:GBin.scrolled_window) ~tab_label () =
257 GSourceView2.source_view
259 ~insert_spaces_instead_of_tabs:true ~tab_width:2
260 ~right_margin_position:80 ~show_right_margin:true
261 ~smart_home_end:`AFTER
262 ~packing:parent#add_with_viewport
264 let buffer = source_view#buffer in
265 let source_buffer = source_view#source_buffer in
266 let similarsymbols_tag_name = "similarsymbolos" in
267 let similarsymbols_tag = `NAME similarsymbols_tag_name in
268 let initial_statuses current baseuri =
269 let empty_lstatus = new GrafiteDisambiguate.status in
272 NCicLibrary.time_travel
273 ((new GrafiteTypes.status current#baseuri)#set_disambiguate_db current#disambiguate_db);
274 (* MATITA 1.0: there is a known bug in invalidation; temporary fix here *)
275 NCicEnvironment.invalidate ()
277 let lexicon_status = empty_lstatus in
278 (* MATITA 1.0: ma serve ancora fare questo back-track sul lexicon_status? *)
279 let grafite_status = (new GrafiteTypes.status baseuri)#set_disambiguate_db lexicon_status#disambiguate_db in
282 let read_include_paths file =
284 let root, _buri, _fname, _tgt =
285 Librarian.baseuri_of_script ~include_paths:[] file in
288 Str.split (Str.regexp " ")
289 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
292 let rc = root :: includes in
293 List.iter (HLog.debug) rc; rc
294 with Librarian.NoRootFor _ | Librarian.FileNotFound _ ->
297 let default_buri = "cic:/matita/tests" in
298 let default_fname = ".unnamed.ma" in
300 val mutable include_paths_ = []
301 val clipboard = GData.clipboard Gdk.Atom.clipboard
302 (*val primary = GData.clipboard Gdk.Atom.primary*)
303 val mutable similarsymbols = []
304 val mutable similarsymbols_orig = []
305 val similar_memory = Hashtbl.create 97
306 val mutable old_used_memory = false
308 val scriptId = fresh_script_id ()
311 urichooser = urichooser source_view;
312 ask_confirmation = ask_confirmation;
315 val mutable filename_ = (None : string option)
317 method has_name = filename_ <> None
319 method source_view = source_view
321 method include_paths =
323 Helm_registry.get_list Helm_registry.string "matita.includes"
325 method private curdir =
327 let root, _buri, _fname, _tgt =
328 Librarian.baseuri_of_script ~include_paths:self#include_paths
332 with Librarian.NoRootFor _ -> Sys.getcwd ()
334 method buri_of_current_file =
336 | None -> default_buri
339 let _root, buri, _fname, _tgt =
340 Librarian.baseuri_of_script ~include_paths:self#include_paths f
343 with Librarian.NoRootFor _ | Librarian.FileNotFound _ -> default_buri
345 method filename = match filename_ with None -> default_fname | Some f -> f
349 (source_view#source_buffer#begin_not_undoable_action ();
352 source_view#source_buffer#end_not_undoable_action ());
353 MatitaMisc.observe_font_size (fun font_size ->
354 source_view#misc#modify_font_by_name
355 (sprintf "%s %d" BuildTimeConf.script_font font_size));
356 source_view#misc#grab_focus ();
357 ignore(source_view#source_buffer#set_language
358 (Some MatitaGtkMisc.matita_lang));
359 ignore(source_view#source_buffer#set_highlight_syntax true);
360 ignore(source_view#connect#after#paste_clipboard
361 ~callback:(fun () -> self#clean_dirty_lock));
362 ignore (GMain.Timeout.add ~ms:300000
363 ~callback:(fun _ -> self#_saveToBackupFile ();true));
364 ignore (buffer#connect#modified_changed
365 (fun _ -> self#set_star buffer#modified));
366 (* clean_locked is set to true only "during" a PRIMARY paste
367 operation (i.e. by clicking with the second mouse button) *)
368 let clean_locked = ref false in
369 ignore(source_view#event#connect#button_press
372 if GdkEvent.Button.button button = 2 then
373 clean_locked := true;
376 ignore(source_view#event#connect#button_release
377 ~callback:(fun button -> clean_locked := false; false));
378 ignore(source_view#buffer#connect#after#apply_tag
380 fun tag ~start:_ ~stop:_ ->
382 tag#get_oid = self#locked_tag#get_oid
385 clean_locked := false;
386 self#clean_dirty_lock;
389 ignore(source_view#source_buffer#connect#after#insert_text
390 ~callback:(fun iter str ->
391 if (MatitaMisc.get_gui ())#main#menuitemAutoAltL#active && (str = " " || str = "\n") then
392 ignore(self#expand_virtual_if_any iter str)));
393 ignore(source_view#connect#after#populate_popup
394 ~callback:(fun pre_menu ->
395 let menu = new GMenu.menu pre_menu in
396 let menuItems = menu#children in
397 let undoMenuItem, redoMenuItem =
399 [undo;redo;sep1;cut;copy;paste;delete;sep2;
400 selectall;sep3;inputmethod;insertunicodecharacter] ->
401 List.iter menu#remove [ copy; cut; delete; paste ];
403 | _ -> assert false in
405 let i = ref 2 in (* last occupied position *)
406 fun ?label ?stock () ->
408 GMenu.image_menu_item ?label ?stock ~packing:(menu#insert ~pos:!i)
411 let copy = add_menu_item ~stock:`COPY () in
412 let cut = add_menu_item ~stock:`CUT () in
413 let delete = add_menu_item ~stock:`DELETE () in
414 let paste = add_menu_item ~stock:`PASTE () in
415 let paste_pattern = add_menu_item ~label:"Paste as pattern" () in
416 copy#misc#set_sensitive self#canCopy;
417 cut#misc#set_sensitive self#canCut;
418 delete#misc#set_sensitive self#canDelete;
419 paste#misc#set_sensitive self#canPaste;
420 paste_pattern#misc#set_sensitive self#canPastePattern;
421 MatitaGtkMisc.connect_menu_item copy self#copy;
422 MatitaGtkMisc.connect_menu_item cut self#cut;
423 MatitaGtkMisc.connect_menu_item delete self#delete;
424 MatitaGtkMisc.connect_menu_item paste self#paste;
425 MatitaGtkMisc.connect_menu_item paste_pattern self#pastePattern;
426 let new_undoMenuItem =
427 GMenu.image_menu_item
428 ~image:(GMisc.image ~stock:`UNDO ())
431 ~packing:(menu#insert ~pos:0) () in
432 new_undoMenuItem#misc#set_sensitive
433 (undoMenuItem#misc#get_flag `SENSITIVE);
434 menu#remove (undoMenuItem :> GMenu.menu_item);
435 MatitaGtkMisc.connect_menu_item new_undoMenuItem
436 (fun () -> self#safe_undo);
437 let new_redoMenuItem =
438 GMenu.image_menu_item
439 ~image:(GMisc.image ~stock:`REDO ())
442 ~packing:(menu#insert ~pos:1) () in
443 new_redoMenuItem#misc#set_sensitive
444 (redoMenuItem#misc#get_flag `SENSITIVE);
445 menu#remove (redoMenuItem :> GMenu.menu_item);
446 MatitaGtkMisc.connect_menu_item new_redoMenuItem
447 (fun () -> self#safe_redo)));
449 val mutable statements = [] (** executed statements *)
451 val mutable history = [ initial_statuses None default_buri ]
452 (** list of states before having executed statements. Head element of this
453 * list is the current state, last element is the state at the beginning of
455 * Invariant: this list length is 1 + length of statements *)
457 (** text mark and tag representing locked part of a script *)
459 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
460 val beginning_of_statement_mark =
461 buffer#create_mark ~name:"beginning_of_statement"
462 ~left_gravity:true buffer#start_iter
463 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
464 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
466 (** unicode handling *)
467 method nextSimilarSymbol =
468 let write_similarsymbol s =
469 let s = Glib.Utf8.from_unichar s in
470 let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
471 assert(Glib.Utf8.validate s);
472 source_view#source_buffer#delete ~start:iter ~stop:(iter#copy#backward_chars 1);
473 source_view#source_buffer#insert ~iter:(source_view#source_buffer#get_iter_at_mark `INSERT) s;
474 (try source_view#source_buffer#delete_mark similarsymbols_tag
475 with GText.No_such_mark _ -> ());
476 ignore(source_view#source_buffer#create_mark ~name:similarsymbols_tag_name
477 (source_view#source_buffer#get_iter_at_mark `INSERT));
479 let new_similarsymbol =
481 let iter_ins = source_view#source_buffer#get_iter_at_mark `INSERT in
482 let iter_lig = source_view#source_buffer#get_iter_at_mark similarsymbols_tag in
483 not (iter_ins#equal iter_lig)
484 with GText.No_such_mark _ -> true
486 if new_similarsymbol then
487 (if not(self#expand_virtual_if_any (source_view#source_buffer#get_iter_at_mark `INSERT) "")then
489 let i = source_view#source_buffer#get_iter_at_mark `INSERT in
490 Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
492 (match Virtuals.similar_symbols last_symbol with
495 similarsymbols_orig <- eqclass;
497 try Hashtbl.find similar_memory similarsymbols_orig
499 let is_used = List.map (fun x -> x,false) eqclass in
500 Hashtbl.add similar_memory eqclass is_used;
505 List.partition (fun s -> List.assoc s is_used) eqclass
507 match used @ unused with a::b::c -> a,b,c | _ -> assert false
510 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
512 old_used_memory <- List.assoc hd is_used;
514 (hd,true) :: List.filter (fun (x,_) -> x <> hd) is_used
516 Hashtbl.replace similar_memory similarsymbols_orig is_used;
517 write_similarsymbol hd;
518 similarsymbols <- tl @ [ hd ]))
520 match similarsymbols with
523 let is_used = Hashtbl.find similar_memory similarsymbols_orig in
524 let last = HExtlib.list_last tl in
525 let old_used_for_last = old_used_memory in
526 old_used_memory <- List.assoc hd is_used;
528 (hd, true) :: (last,old_used_for_last) ::
529 List.filter (fun (x,_) -> x <> last && x <> hd) is_used
531 Hashtbl.replace similar_memory similarsymbols_orig is_used;
532 similarsymbols <- tl @ [ hd ];
533 write_similarsymbol hd
535 method private reset_similarsymbols =
536 similarsymbols <- [];
537 similarsymbols_orig <- [];
538 try source_view#source_buffer#delete_mark similarsymbols_tag
539 with GText.No_such_mark _ -> ()
541 method private expand_virtual_if_any iter tok =
543 let len = MatitaGtkMisc.utf8_string_length tok in
545 let prev = iter#copy#backward_chars len in
546 prev#get_slice ~stop:(prev#copy#backward_find_char
547 (fun x -> Glib.Unichar.isspace x || x = Glib.Utf8.first_char "\\"))
549 let inplaceof, symb = Virtuals.symbol_of_virtual last_word in
550 self#reset_similarsymbols;
551 let s = Glib.Utf8.from_unichar symb in
552 assert(Glib.Utf8.validate s);
553 source_view#source_buffer#delete ~start:iter
554 ~stop:(iter#copy#backward_chars
555 (MatitaGtkMisc.utf8_string_length inplaceof + len));
556 source_view#source_buffer#insert ~iter
557 (if inplaceof.[0] = '\\' then s else (s ^ tok));
559 with Virtuals.Not_a_virtual -> false
561 (** selections / clipboards handling *)
563 method markupSelected = MatitaMathView.has_selection ()
564 method private textSelected =
565 (source_view#source_buffer#get_iter_at_mark `INSERT)#compare
566 (source_view#source_buffer#get_iter_at_mark `SEL_BOUND) <> 0
567 method private markupStored = MatitaMathView.has_clipboard ()
568 method private textStored = clipboard#text <> None
569 method canCopy = self#textSelected
570 method canCut = self#textSelected
571 method canDelete = self#textSelected
572 (*CSC: WRONG CODE: we should look in the clipboard instead! *)
573 method canPaste = self#markupStored || self#textStored
574 method canPastePattern = self#markupStored
577 (* phase 1: we save the actual status of the marks and we undo *)
578 let locked_mark = `MARK (self#locked_mark) in
579 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
580 let locked_iter_offset = locked_iter#offset in
583 (source_view#buffer#create_mark ~name:"lock_point"
584 ~left_gravity:true locked_iter) in
585 source_view#source_buffer#undo ();
586 (* phase 2: we save the cursor position and we redo, restoring
587 the previous status of all the marks *)
588 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
591 (source_view#buffer#create_mark ~name:"undo_point"
592 ~left_gravity:true cursor_iter)
594 source_view#source_buffer#redo ();
595 let mark_iter = source_view#buffer#get_iter_at_mark mark in
596 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
597 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
598 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
599 source_view#buffer#delete_mark mark;
600 source_view#buffer#delete_mark mark2;
601 (* phase 3: if after the undo the cursor was in the locked area,
602 then we move it there again and we perform a goto *)
603 if mark_iter#offset < locked_iter_offset then
605 source_view#buffer#move_mark `INSERT ~where:mark_iter;
606 self#goto `Cursor ();
608 (* phase 4: we perform again the undo. This time we are sure that
609 the text to undo is not locked *)
610 source_view#source_buffer#undo ();
611 source_view#misc#grab_focus ()
614 (* phase 1: we save the actual status of the marks, we redo and
616 let locked_mark = `MARK (self#locked_mark) in
617 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
618 let locked_iter_offset = locked_iter#offset in
621 (source_view#buffer#create_mark ~name:"lock_point"
622 ~left_gravity:true locked_iter) in
623 source_view#source_buffer#redo ();
624 source_view#source_buffer#undo ();
625 (* phase 2: we save the cursor position and we restore
626 the previous status of all the marks *)
627 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
630 (source_view#buffer#create_mark ~name:"undo_point"
631 ~left_gravity:true cursor_iter)
633 let mark_iter = source_view#buffer#get_iter_at_mark mark in
634 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
635 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
636 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
637 source_view#buffer#delete_mark mark;
638 source_view#buffer#delete_mark mark2;
639 (* phase 3: if after the undo the cursor is in the locked area,
640 then we move it there again and we perform a goto *)
641 if mark_iter#offset < locked_iter_offset then
643 source_view#buffer#move_mark `INSERT ~where:mark_iter;
644 self#goto `Cursor ();
646 (* phase 4: we perform again the redo. This time we are sure that
647 the text to redo is not locked *)
648 source_view#source_buffer#redo ();
649 source_view#misc#grab_focus ()
655 MatitaMathView.empty_clipboard ();
656 source_view#buffer#copy_clipboard clipboard;
658 MatitaMathView.copy_selection ()
661 source_view#buffer#cut_clipboard clipboard;
662 MatitaMathView.empty_clipboard ()
665 ignore (source_view#buffer#delete_selection ())
668 if MatitaMathView.has_clipboard ()
669 then source_view#buffer#insert (MatitaMathView.paste_clipboard `Term)
670 else source_view#buffer#paste_clipboard clipboard;
671 self#clean_dirty_lock
673 method pastePattern () =
674 source_view#buffer#insert (MatitaMathView.paste_clipboard `Pattern)
676 method locked_mark = locked_mark
677 method locked_tag = locked_tag
678 method error_tag = error_tag
680 (* history can't be empty, the invariant above grant that it contains at
681 * least the init grafite_status *)
682 method grafite_status = match history with s::_ -> s | _ -> assert false
684 method private _advance ?statement () =
685 let s = match statement with Some s -> s | None -> self#getFuture in
686 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
687 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
688 let time1 = Unix.gettimeofday () in
689 let entries, newtext, parsed_len =
691 eval_statement self#include_paths buffer guistuff
692 self#grafite_status self (`Raw s)
693 with End_of_file -> raise Margin
695 let time2 = Unix.gettimeofday () in
696 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
697 let new_statuses, new_statements =
698 let statuses, texts = List.split entries in
701 history <- new_statuses @ history;
702 statements <- new_statements @ statements;
703 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
704 let new_text = String.concat "" (List.rev new_statements) in
705 if statement <> None then
706 buffer#insert ~iter:start new_text
708 let parsed_text = String.sub s 0 parsed_len in
709 if new_text <> parsed_text then begin
710 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
711 buffer#delete ~start ~stop;
712 buffer#insert ~iter:start new_text;
715 self#moveMark (Glib.Utf8.length new_text);
716 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext
718 method private _retract offset grafite_status new_statements new_history =
719 NCicLibrary.time_travel grafite_status;
720 statements <- new_statements;
721 history <- new_history;
722 self#moveMark (- offset)
724 method advance ?statement () =
726 self#_advance ?statement ();
729 | Margin -> self#notify
730 | Not_found -> assert false
731 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
732 | exc -> self#notify; raise exc
736 let cmp,new_statements,new_history,grafite_status =
737 match statements,history with
738 stat::statements, _::(status::_ as history) ->
739 assert (Glib.Utf8.validate stat);
740 Glib.Utf8.length stat, statements, history, status
741 | [],[_] -> raise Margin
742 | _,_ -> assert false
744 self#_retract cmp grafite_status new_statements
748 | Margin -> self#notify
749 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
750 | exc -> self#notify; raise exc
752 method private getFuture =
753 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
754 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
757 method expandAllVirtuals =
758 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
759 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
760 buffer#delete ~start:lock ~stop:buffer#end_iter;
761 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
762 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
763 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
765 Pcre.substitute_substrings
767 let pristine = Pcre.get_substring str 0 in
769 if pristine.[0] = ' ' then
770 String.sub pristine 1 (String.length pristine -1)
774 if input.[String.length input-1] = ' ' then
775 String.sub input 0 (String.length input -1)
779 if input = "\\forall" ||
780 input = "\\lambda" ||
781 input = "\\exists" then "","" else " ", " "
784 before ^ Glib.Utf8.from_unichar
785 (snd (Virtuals.symbol_of_virtual input)) ^ after
786 with Virtuals.Not_a_virtual -> pristine)
787 ~pat:" ?\\\\[a-zA-Z]+ ?" text
789 buffer#insert ~iter:lock text
791 (** @param rel_offset relative offset from current position of locked_mark *)
792 method private moveMark rel_offset =
793 let mark = `MARK locked_mark in
794 let old_insert = buffer#get_iter_at_mark `INSERT in
795 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
796 let current_mark_pos = buffer#get_iter_at_mark mark in
798 match rel_offset with
799 | 0 -> current_mark_pos
800 | n when n > 0 -> current_mark_pos#forward_chars n
801 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
803 buffer#move_mark mark ~where:new_mark_pos;
804 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
805 buffer#move_mark `INSERT old_insert;
806 let mark_position = buffer#get_iter_at_mark mark in
807 if source_view#move_mark_onscreen mark then
809 buffer#move_mark mark mark_position;
810 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
812 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
814 method clean_dirty_lock =
815 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
816 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
817 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
819 val mutable observers = []
821 method addObserver (o: GrafiteTypes.status -> unit) =
822 observers <- o :: observers
824 method private notify =
825 let grafite_status = self#grafite_status in
826 List.iter (fun o -> o grafite_status) observers
831 method loadFromFile f =
832 buffer#set_text (HExtlib.input_file f);
834 buffer#set_modified false
836 method assignFileName file =
839 tab_label#set_text default_fname;
841 include_paths_ <- [];
844 let f = Librarian.absolutize file in
845 tab_label#set_text (Filename.basename f);
847 include_paths_ <- read_include_paths f;
851 tab_label#set_text ((if b then "*" else "")^Filename.basename self#filename);
852 tab_label#misc#set_tooltip_text
853 ("URI: " ^ self#buri_of_current_file ^ "\nPATH: " ^ self#filename);
855 method saveToFile () =
856 if self#has_name then
857 let oc = open_out self#filename in
858 output_string oc (buffer#get_text ~start:buffer#start_iter
859 ~stop:buffer#end_iter ());
862 buffer#set_modified false
864 HLog.error "Can't save, no filename selected"
866 method private _saveToBackupFile () =
867 if buffer#modified then
869 let f = self#filename in
870 let oc = open_out f in
871 output_string oc (buffer#get_text ~start:buffer#start_iter
872 ~stop:buffer#end_iter ());
874 HLog.debug ("backup " ^ f ^ " saved")
877 method private reset_buffer =
879 history <- [ initial_statuses (Some self#grafite_status) self#buri_of_current_file ];
881 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
882 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
886 source_buffer#begin_not_undoable_action ();
887 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
888 source_buffer#end_not_undoable_action ();
889 buffer#set_modified false;
892 let template = HExtlib.input_file BuildTimeConf.script_template in
893 buffer#insert ~iter:(buffer#get_iter `START) template;
894 buffer#set_modified false;
897 method goto (pos: [`Top | `Bottom | `Cursor]) () =
899 let old_locked_mark =
901 (buffer#create_mark ~name:"old_locked_mark"
902 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
903 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
904 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
905 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
908 dispose_old_locked_mark ();
915 let newpos = getpos () in
916 if (getoldpos ())#compare newpos < 0 then
918 buffer#move_mark old_locked_mark newpos;
923 dispose_old_locked_mark ();
926 | Margin -> dispose_old_locked_mark (); self#notify
927 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
929 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
930 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
933 (buffer#create_mark ~name:"initial_insert"
934 ~left_gravity:true (cursor_iter ())) in
935 let dispose_remember () = buffer#delete_mark remember in
936 let remember_iter () =
937 buffer#get_iter_at_mark (`NAME "initial_insert") in
938 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
940 let forward_until_cursor () = (* go forward until locked > cursor *)
943 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
946 buffer#move_mark old_locked_mark (getpos ());
952 let rec back_until_cursor len = (* go backward until locked < cursor *)
954 statements, ((grafite_status)::_ as history)
956 self#_retract (icmp - len) grafite_status statements
958 | statement::tl1, _::tl2 ->
959 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
960 | _,_ -> assert false
964 if icmp < 0 then (* locked < cursor *)
965 (forward_until_cursor (); self#notify)
966 else if icmp > 0 then (* locked > cursor *)
967 (back_until_cursor icmp (statements,history); self#notify)
968 else (* cursor = locked *)
972 dispose_old_locked_mark ();
974 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
975 | exc -> dispose_remember (); dispose_old_locked_mark ();
976 self#notify; raise exc)
977 with Invalid_argument "Array.make" ->
978 HLog.error "The script is too big!\n"
986 let rec is_there_only_comments lexicon_status s =
987 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
989 GrafiteParser.parsable_statement lexicon_status
990 (Ulexing.from_utf8_string s)in
991 match GrafiteParser.parse_statement lexicon_status strm with
992 | GrafiteAst.Comment (loc,_) ->
993 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
994 (* CSC: why +1 in the following lines ???? *)
995 let parsed_text_length = parsed_text_length + 1 in
996 let remain_len = String.length s - parsed_text_length in
997 let next = String.sub s parsed_text_length remain_len in
998 is_there_only_comments lexicon_status next
999 | GrafiteAst.Executable _ -> false
1001 try is_there_only_comments self#grafite_status self#getFuture
1003 | NCicLibrary.IncludedFileNotCompiled _
1004 | HExtlib.Localized _
1005 | CicNotationParser.Parse_error _ -> false
1006 | Margin | End_of_file -> true
1007 | Invalid_argument "Array.make" -> false
1011 HLog.debug "script status:";
1012 HLog.debug ("history size: " ^ string_of_int (List.length history));
1013 HLog.debug (sprintf "%d statements:" (List.length statements));
1014 List.iter HLog.debug statements;
1015 HLog.debug ("Current file name: " ^ self#filename);
1017 method has_parent (p : GObj.widget) = parent#coerce#misc#get_oid = p#misc#get_oid
1020 let _script = ref []
1022 let script ~urichooser ~ask_confirmation ~parent ~tab_label ()
1024 let s = new script ~ask_confirmation ~urichooser ~parent ~tab_label () in
1025 _script := s::!_script;
1029 let notebook = (MatitaMisc.get_gui ())#main#scriptNotebook in
1030 let parent = notebook#get_nth_page page in
1032 List.find (fun s -> s#has_parent parent) !_script
1034 Not_found -> assert false
1038 at_page ((MatitaMisc.get_gui ())#main#scriptNotebook#current_page)
1041 let s = at_page page in
1042 _script := List.filter ((<>) s) !_script
1045 let iter_scripts f = List.iter f !_script;;
1048 CicMathView.register_matita_script_current (current :> unit -> < advance: ?statement:string -> unit -> unit; grafite_status: GrafiteTypes.status >)