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/
30 module TA = GrafiteAst
33 let debug_print = if debug then prerr_endline else ignore
35 (** raised when one of the script margins (top or bottom) is reached *)
37 exception NoUnfinishedProof
38 exception ActionCancelled of string
40 let safe_substring s i j =
41 try String.sub s i j with Invalid_argument _ -> assert false
43 let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*"
44 let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)"
45 let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$"
46 let multiline_RE = Pcre.regexp "^\n[^\n]+$"
47 let newline_RE = Pcre.regexp "\n"
48 let comment_RE = Pcre.regexp "\\(\\*(.|\n)*\\*\\)\n?" ~flags:[`UNGREEDY]
51 if Pcre.pmatch ~rex:multiline_RE str then
52 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
54 "\n(**\n" ^ str ^ "\n*)"
56 let strip_comments str =
57 Pcre.qreplace ~templ:"\n" ~pat:"\n\n" (Pcre.qreplace ~rex:comment_RE str)
61 let s = Pcre.replace ~rex:heading_nl_RE s in
63 let nl_pos = String.index s '\n' in
67 let eval_with_engine include_paths status skipped_txt nonskipped_txt st
69 let parsed_text_length =
70 String.length skipped_txt + String.length nonskipped_txt
72 let text = skipped_txt ^ nonskipped_txt in
73 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
74 let enriched_history_fragment =
75 MatitaEngine.eval_ast ~include_paths ~do_heavy_checks:(Helm_registry.get_bool
76 "matita.do_heavy_checks")
77 status (text,prefix_len,st)
79 let enriched_history_fragment = List.rev enriched_history_fragment in
83 (fun (acc, to_prepend) (status,alias) ->
85 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
87 let newtxt = GrafiteAstPp.pp_alias value in
88 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
89 ([],skipped_txt) enriched_history_fragment
91 res,"",parsed_text_length
94 let pp_eager_statement_ast = GrafiteAstPp.pp_statement
96 let eval_nmacro _include_paths (_buffer : GText.buffer) status _unparsed_text parsed_text script mac =
97 let parsed_text_length = String.length parsed_text in
99 | TA.Screenshot (_,name) ->
100 let status = script#status in
101 let _,_,menv,subst,_ = status#obj in
102 let name = Filename.dirname (script#filename) ^ "/" ^ name in
104 let selected = Continuationals.Stack.head_goals status#stack in
105 List.filter (fun (x,_) -> List.mem x selected) menv
107 CicMathView.screenshot status sequents menv subst name;
108 [status, parsed_text], "", parsed_text_length
110 let status = script#status in
111 let _,_,menv,subst,_ = status#obj in
113 match Continuationals.Stack.head_goals status#stack with
118 "Many goals focused. Using the context of the first one\n";
120 let _, ctx, _ = NCicUtils.lookup_meta g menv in ctx
121 with NCicUtils.Meta_not_found _ ->
122 HLog.warn "Current goal is closed. Using empty context.";
126 let m, s, status, t =
127 GrafiteDisambiguate.disambiguate_nterm
128 status `XTNone ctx menv subst (parsed_text,parsed_text_length,
129 NotationPt.Cast (t,NotationPt.Implicit `JustOne))
130 (* XXX use the metasenv, if possible *)
132 MatitaMathView.cicBrowser (Some (`NCic (t,ctx,m,s)));
133 [status, parsed_text], "", parsed_text_length
134 | TA.NIntroGuess _loc ->
135 let names_ref = ref [] in
136 let s = NTactics.intros_tac ~names_ref [] script#status in
137 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
138 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
139 [s, nl ^ "#" ^ String.concat " #" !names_ref], "", parsed_text_length
140 | TA.NAutoInteractive (_loc, (None,a)) ->
141 let trace_ref = ref [] in
142 let s = NnAuto.auto_tac ~params:(None,a) ~trace_ref script#status in
144 try List.assoc "depth" a
148 try List.assoc "width" a
151 let trace = "/"^(if int_of_string depth > 1 then depth ^ " width=" ^ width else "")^" by " in
153 match !trace_ref with
157 (HExtlib.filter_map (function
158 | NotationPt.NRef r -> Some (NCicPp.r2s status true r)
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 ^ trace ^ thms ^ "/"], "", parsed_text_length
165 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
167 let rec eval_executable include_paths (buffer : GText.buffer)
168 status unparsed_text skipped_txt nonskipped_txt script ex loc
171 ignore (buffer#move_mark (`NAME "beginning_of_statement")
172 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
173 (Glib.Utf8.length skipped_txt))) ;
174 eval_with_engine include_paths status skipped_txt nonskipped_txt
175 (TA.Executable (loc, ex))
177 MatitaTypes.Cancel -> [], "", 0
178 | GrafiteEngine.NMacro (_loc,macro) ->
179 eval_nmacro include_paths buffer status
180 unparsed_text (skipped_txt ^ nonskipped_txt) script macro
183 and eval_statement include_paths (buffer : GText.buffer) status script
186 let st,unparsed_text =
189 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
191 GrafiteParser.parsable_statement status
192 (Ulexing.from_utf8_string text) in
193 let ast = MatitaEngine.get_ast status include_paths strm in
195 | `Ast (st, text) -> st, text
197 let text_of_loc floc =
198 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
199 let start, stop = HExtlib.loc_of_floc floc in
200 let floc = HExtlib.floc_of_loc (0, start) in
201 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
202 let floc = HExtlib.floc_of_loc (0, stop) in
203 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
204 txt,nonskipped_txt,skipped_txt,len
207 | GrafiteAst.Executable (loc, ex) ->
208 let _, nonskipped, skipped, _parsed_text_length = text_of_loc loc in
209 eval_executable include_paths buffer status unparsed_text
210 skipped nonskipped script ex loc
211 | GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex))
212 when Helm_registry.get_bool "matita.execcomments" ->
213 let _, nonskipped, skipped, _parsed_text_length = text_of_loc loc in
214 eval_executable include_paths buffer status unparsed_text
215 skipped nonskipped script ex loc
216 | GrafiteAst.Comment (loc, _) ->
217 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
218 let remain_len = String.length unparsed_text - parsed_text_length in
219 let s = String.sub unparsed_text parsed_text_length remain_len in
222 eval_statement include_paths buffer status script (`Raw s)
224 HExtlib.Localized (floc, exn) ->
225 HExtlib.raise_localized_exception
226 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
227 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
229 (MultiPassDisambiguator.DisambiguationError
230 (offset+parsed_text_length, errorll))
232 assert (text=""); (* no macros inside comments, please! *)
234 | (statuses,text)::tl ->
235 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
238 let fresh_script_id =
242 (** Selection handling
243 * Two clipboards are used: "clipboard" and "primary".
244 * "primary" is used by X, when you hit the middle button mouse is content is
245 * pasted between applications. In Matita this selection always contain the
246 * textual version of the selected term.
247 * "clipboard" is used inside Matita only and support ATM two different targets:
248 * "TERM" and "PATTERN", in the future other targets like "MATHMLCONTENT" may
251 class script ~(parent:GBin.scrolled_window) ~tab_label () =
253 GSourceView3.source_view
255 ~insert_spaces_instead_of_tabs:true ~tab_width:2
256 ~right_margin_position:80 ~show_right_margin:true
257 ~smart_home_end:`AFTER
260 let buffer = source_view#buffer in
261 let source_buffer = source_view#source_buffer in
263 source_buffer#connect#notify_can_undo
264 ~callback:(MatitaMisc.get_gui ())#main#undoMenuItem#misc#set_sensitive in
266 source_buffer#connect#notify_can_redo
267 ~callback:(MatitaMisc.get_gui ())#main#redoMenuItem#misc#set_sensitive in
268 let similarsymbols_tag_name = "similarsymbolos" in
269 let similarsymbols_tag = `NAME similarsymbols_tag_name in
270 let initial_statuses current baseuri =
271 let status = new MatitaEngine.status baseuri in
273 Some _current -> NCicLibrary.time_travel status;
275 (* MATITA 1.0: there is a known bug in invalidation; temporary fix here *)
276 NCicEnvironment.invalidate () *)
280 let default_buri = "cic:/matita/tests" in
281 let default_fname = ".unnamed.ma" in
283 val mutable include_paths_ = []
284 val clipboard = GData.clipboard Gdk.Atom.clipboard
285 (*val primary = GData.clipboard Gdk.Atom.primary*)
286 val mutable similarsymbols = []
287 val mutable similarsymbols_orig = []
288 val similar_memory = Hashtbl.create 97
289 val mutable old_used_memory = false
291 val scriptId = fresh_script_id ()
293 val mutable filename_ = (None : string option)
295 method has_name = filename_ <> None
297 method source_view = source_view
299 method include_paths =
301 Helm_registry.get_list Helm_registry.string "matita.includes"
303 method private curdir =
305 let root, _buri, _fname, _tgt =
306 Librarian.baseuri_of_script ~include_paths:self#include_paths
310 with Librarian.NoRootFor _ -> Sys.getcwd ()
312 method buri_of_current_file =
314 | None -> default_buri
317 let _root, buri, _fname, _tgt =
318 Librarian.baseuri_of_script ~include_paths:self#include_paths f
321 with Librarian.NoRootFor _ | Librarian.FileNotFound _ -> default_buri
323 method filename = match filename_ with None -> default_fname | Some f -> f
327 (source_view#source_buffer#begin_not_undoable_action ();
330 source_view#source_buffer#end_not_undoable_action ());
331 MatitaMisc.observe_font_size (fun font_size ->
332 source_view#misc#modify_font_by_name
333 (sprintf "%s %d" BuildTimeConf.script_font font_size));
334 source_view#misc#grab_focus ();
335 ignore(source_view#source_buffer#set_language
336 (Some MatitaGtkMisc.matita_lang));
337 ignore(source_view#source_buffer#set_highlight_syntax true);
338 ignore(source_view#connect#after#paste_clipboard
339 ~callback:(fun () -> self#clean_dirty_lock));
340 ignore (GMain.Timeout.add ~ms:300000
341 ~callback:(fun _ -> self#_saveToBackupFile ();true));
342 ignore (buffer#connect#modified_changed
343 (fun _ -> self#set_star buffer#modified));
344 (* clean_locked is set to true only "during" a PRIMARY paste
345 operation (i.e. by clicking with the second mouse button) *)
346 let clean_locked = ref false in
347 ignore(source_view#event#connect#button_press
350 if GdkEvent.Button.button button = 2 then
351 clean_locked := true;
354 ignore(source_view#event#connect#button_release
355 ~callback:(fun _button -> clean_locked := false; false));
356 ignore(source_view#buffer#connect#after#apply_tag
358 fun tag ~start:_ ~stop:_ ->
360 tag#get_oid = self#locked_tag#get_oid
363 clean_locked := false;
364 self#clean_dirty_lock;
367 ignore(source_view#source_buffer#connect#after#insert_text
368 ~callback:(fun iter str ->
369 if (MatitaMisc.get_gui ())#main#menuitemAutoAltL#active && (str = " " || str = "\n") then
370 ignore(self#expand_virtual_if_any iter str)));
371 ignore(source_view#connect#after#populate_popup
372 ~callback:(fun pre_menu ->
373 let menu = new GMenu.menu pre_menu in
374 let menuItems = menu#children in
375 let undoMenuItem, redoMenuItem =
377 [undo;redo;_sep1;cut;copy;paste;delete;_sep2;
378 _selectall;_sep3;_inputmethod;_insertunicodecharacter] ->
379 List.iter menu#remove [ copy; cut; delete; paste ];
381 | _ -> assert false in
383 let i = ref 2 in (* last occupied position *)
386 GMenu.menu_item ~label ~packing:(menu#insert ~pos:!i) () in
387 let copy = add_menu_item ~label:"Copy" in
388 let cut = add_menu_item ~label:"Cut" in
389 let delete = add_menu_item ~label:"Delete" in
390 let paste = add_menu_item ~label:"Paste" in
391 let paste_pattern = add_menu_item ~label:"Paste as pattern" in
392 copy#misc#set_sensitive self#canCopy;
393 cut#misc#set_sensitive self#canCut;
394 delete#misc#set_sensitive self#canDelete;
395 paste#misc#set_sensitive self#canPaste;
396 paste_pattern#misc#set_sensitive self#canPastePattern;
397 MatitaGtkMisc.connect_menu_item copy self#copy;
398 MatitaGtkMisc.connect_menu_item cut self#cut;
399 MatitaGtkMisc.connect_menu_item delete self#delete;
400 MatitaGtkMisc.connect_menu_item paste self#paste;
401 MatitaGtkMisc.connect_menu_item paste_pattern self#pastePattern;
402 let new_undoMenuItem =
406 ~packing:(menu#insert ~pos:0) () in
407 new_undoMenuItem#misc#set_sensitive
408 undoMenuItem#misc#sensitive;
409 menu#remove (undoMenuItem :> GMenu.menu_item);
410 MatitaGtkMisc.connect_menu_item new_undoMenuItem
411 (fun () -> self#safe_undo);
412 let new_redoMenuItem =
416 ~packing:(menu#insert ~pos:1) () in
417 new_redoMenuItem#misc#set_sensitive
418 redoMenuItem#misc#sensitive;
419 menu#remove (redoMenuItem :> GMenu.menu_item);
420 MatitaGtkMisc.connect_menu_item new_redoMenuItem
421 (fun () -> self#safe_redo)));
423 val mutable statements = [] (** executed statements *)
425 val mutable history = [ initial_statuses None default_buri ]
426 (** list of states before having executed statements. Head element of this
427 * list is the current state, last element is the state at the beginning of
429 * Invariant: this list length is 1 + length of statements *)
431 (** text mark and tag representing locked part of a script *)
433 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
434 val beginning_of_statement_mark =
435 buffer#create_mark ~name:"beginning_of_statement"
436 ~left_gravity:true buffer#start_iter
437 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
438 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
440 (** unicode handling *)
441 method nextSimilarSymbol =
442 let write_similarsymbol s =
443 let s = Glib.Utf8.from_unichar s in
444 let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
445 assert(Glib.Utf8.validate s);
446 source_view#source_buffer#delete ~start:iter ~stop:(iter#copy#backward_chars 1);
447 source_view#source_buffer#insert ~iter:(source_view#source_buffer#get_iter_at_mark `INSERT) s;
448 (try source_view#source_buffer#delete_mark similarsymbols_tag
449 with GText.No_such_mark _ -> ());
450 ignore(source_view#source_buffer#create_mark ~name:similarsymbols_tag_name
451 (source_view#source_buffer#get_iter_at_mark `INSERT));
453 let new_similarsymbol =
455 let iter_ins = source_view#source_buffer#get_iter_at_mark `INSERT in
456 let iter_lig = source_view#source_buffer#get_iter_at_mark similarsymbols_tag in
457 not (iter_ins#equal iter_lig)
458 with GText.No_such_mark _ -> true
460 if new_similarsymbol then
461 (if not(self#expand_virtual_if_any (source_view#source_buffer#get_iter_at_mark `INSERT) "")then
463 let i = source_view#source_buffer#get_iter_at_mark `INSERT in
464 Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
466 (match Virtuals.similar_symbols last_symbol with
469 similarsymbols_orig <- eqclass;
471 try Hashtbl.find similar_memory similarsymbols_orig
473 let is_used = List.map (fun x -> x,false) eqclass in
474 Hashtbl.add similar_memory eqclass is_used;
479 List.partition (fun s -> List.assoc s is_used) eqclass
481 match used @ unused with a::b::c -> a,b,c | _ -> assert false
484 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
486 old_used_memory <- List.assoc hd is_used;
488 (hd,true) :: List.filter (fun (x,_) -> x <> hd) is_used
490 Hashtbl.replace similar_memory similarsymbols_orig is_used;
491 write_similarsymbol hd;
492 similarsymbols <- tl @ [ hd ]))
494 match similarsymbols with
497 let is_used = Hashtbl.find similar_memory similarsymbols_orig in
498 let last = HExtlib.list_last tl in
499 let old_used_for_last = old_used_memory in
500 old_used_memory <- List.assoc hd is_used;
502 (hd, true) :: (last,old_used_for_last) ::
503 List.filter (fun (x,_) -> x <> last && x <> hd) is_used
505 Hashtbl.replace similar_memory similarsymbols_orig is_used;
506 similarsymbols <- tl @ [ hd ];
507 write_similarsymbol hd
509 method private reset_similarsymbols =
510 similarsymbols <- [];
511 similarsymbols_orig <- [];
512 try source_view#source_buffer#delete_mark similarsymbols_tag
513 with GText.No_such_mark _ -> ()
515 method private expand_virtual_if_any iter tok =
517 let len = MatitaGtkMisc.utf8_string_length tok in
519 let prev = iter#copy#backward_chars len in
520 prev#get_slice ~stop:(prev#copy#backward_find_char
521 (fun x -> Glib.Unichar.isspace x || x = Glib.Utf8.first_char "\\"))
523 let inplaceof, symb = Virtuals.symbol_of_virtual last_word in
524 self#reset_similarsymbols;
525 let s = Glib.Utf8.from_unichar symb in
526 assert(Glib.Utf8.validate s);
527 source_view#source_buffer#delete ~start:iter
528 ~stop:(iter#copy#backward_chars
529 (MatitaGtkMisc.utf8_string_length inplaceof + len));
530 source_view#source_buffer#insert ~iter
531 (if inplaceof.[0] = '\\' then s else (s ^ tok));
533 with Virtuals.Not_a_virtual -> false
535 (** selections / clipboards handling *)
537 method markupSelected = MatitaMathView.has_selection ()
538 method private textSelected =
539 (source_view#source_buffer#get_iter_at_mark `INSERT)#compare
540 (source_view#source_buffer#get_iter_at_mark `SEL_BOUND) <> 0
541 method private markupStored = MatitaMathView.has_clipboard ()
542 method private textStored = clipboard#text <> None
543 method canCopy = self#textSelected
544 method canCut = self#textSelected
545 method canDelete = self#textSelected
546 (*CSC: WRONG CODE: we should look in the clipboard instead! *)
547 method canPaste = self#markupStored || self#textStored
548 method canPastePattern = self#markupStored
551 (* phase 1: we save the actual status of the marks and we undo *)
552 let locked_mark = `MARK (self#locked_mark) in
553 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
554 let locked_iter_offset = locked_iter#offset in
557 (source_view#buffer#create_mark ~name:"lock_point"
558 ~left_gravity:true locked_iter) in
559 source_view#source_buffer#undo ();
560 (* phase 2: we save the cursor position and we redo, restoring
561 the previous status of all the marks *)
562 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
565 (source_view#buffer#create_mark ~name:"undo_point"
566 ~left_gravity:true cursor_iter)
568 source_view#source_buffer#redo ();
569 let mark_iter = source_view#buffer#get_iter_at_mark mark in
570 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
571 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
572 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
573 source_view#buffer#delete_mark mark;
574 source_view#buffer#delete_mark mark2;
575 (* phase 3: if after the undo the cursor was in the locked area,
576 then we move it there again and we perform a goto *)
577 if mark_iter#offset < locked_iter_offset then
579 source_view#buffer#move_mark `INSERT ~where:mark_iter;
580 self#goto `Cursor ();
582 (* phase 4: we perform again the undo. This time we are sure that
583 the text to undo is not locked *)
584 source_view#source_buffer#undo ();
585 source_view#misc#grab_focus ()
588 (* phase 1: we save the actual status of the marks, we redo and
590 let locked_mark = `MARK (self#locked_mark) in
591 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
592 let locked_iter_offset = locked_iter#offset in
595 (source_view#buffer#create_mark ~name:"lock_point"
596 ~left_gravity:true locked_iter) in
597 source_view#source_buffer#redo ();
598 source_view#source_buffer#undo ();
599 (* phase 2: we save the cursor position and we restore
600 the previous status of all the marks *)
601 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
604 (source_view#buffer#create_mark ~name:"undo_point"
605 ~left_gravity:true cursor_iter)
607 let mark_iter = source_view#buffer#get_iter_at_mark mark in
608 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
609 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
610 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
611 source_view#buffer#delete_mark mark;
612 source_view#buffer#delete_mark mark2;
613 (* phase 3: if after the undo the cursor is in the locked area,
614 then we move it there again and we perform a goto *)
615 if mark_iter#offset < locked_iter_offset then
617 source_view#buffer#move_mark `INSERT ~where:mark_iter;
618 self#goto `Cursor ();
620 (* phase 4: we perform again the redo. This time we are sure that
621 the text to redo is not locked *)
622 source_view#source_buffer#redo ();
623 source_view#misc#grab_focus ()
629 MatitaMathView.empty_clipboard ();
630 source_view#buffer#copy_clipboard clipboard;
632 MatitaMathView.copy_selection ()
635 source_view#buffer#cut_clipboard clipboard;
636 MatitaMathView.empty_clipboard ()
639 ignore (source_view#buffer#delete_selection ())
642 if MatitaMathView.has_clipboard ()
643 then source_view#buffer#insert (MatitaMathView.paste_clipboard `Term)
644 else source_view#buffer#paste_clipboard clipboard;
645 self#clean_dirty_lock
647 method pastePattern () =
648 source_view#buffer#insert (MatitaMathView.paste_clipboard `Pattern)
650 method locked_mark = locked_mark
651 method locked_tag = locked_tag
652 method error_tag = error_tag
654 (* history can't be empty, the invariant above grant that it contains at
655 * least the init grafite_status *)
656 method status = match history with s::_ -> s | _ -> assert false
658 method private _advance ?statement () =
659 let s = match statement with Some s -> s | None -> self#getFuture in
660 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
661 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
662 let time1 = Unix.gettimeofday () in
663 let entries, newtext, parsed_len =
665 eval_statement self#include_paths buffer self#status self (`Raw s)
666 with End_of_file -> raise Margin
668 let time2 = Unix.gettimeofday () in
669 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
670 let new_statuses, new_statements =
671 let statuses, texts = List.split entries in
674 history <- new_statuses @ history;
675 statements <- new_statements @ statements;
676 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
677 let new_text = String.concat "" (List.rev new_statements) in
678 if statement <> None then
679 buffer#insert ~iter:start new_text
681 let parsed_text = String.sub s 0 parsed_len in
682 if new_text <> parsed_text then begin
683 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
684 buffer#delete ~start ~stop;
685 buffer#insert ~iter:start new_text;
688 self#moveMark (Glib.Utf8.length new_text);
689 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext
691 method private _retract offset status new_statements new_history =
692 NCicLibrary.time_travel status;
693 statements <- new_statements;
694 history <- new_history;
695 self#moveMark (- offset)
697 method advance ?statement () =
699 self#_advance ?statement ();
702 | Margin -> self#notify
703 | Not_found -> assert false
704 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
705 | exc -> self#notify; raise exc
709 let cmp,new_statements,new_history,status =
710 match statements,history with
711 stat::statements, _::(status::_ as history) ->
712 assert (Glib.Utf8.validate stat);
713 Glib.Utf8.length stat, statements, history, status
714 | [],[_] -> raise Margin
715 | _,_ -> assert false
717 self#_retract cmp status new_statements new_history;
720 | Margin -> self#notify
721 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
722 | exc -> self#notify; raise exc
724 method private getFuture =
725 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
726 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
729 method expandAllVirtuals =
730 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
731 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
732 buffer#delete ~start:lock ~stop:buffer#end_iter;
733 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
734 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
735 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
737 Pcre.substitute_substrings
739 let pristine = Pcre.get_substring str 0 in
741 if pristine.[0] = ' ' then
742 String.sub pristine 1 (String.length pristine -1)
746 if input.[String.length input-1] = ' ' then
747 String.sub input 0 (String.length input -1)
751 if input = "\\forall" ||
752 input = "\\lambda" ||
753 input = "\\exists" then "","" else " ", " "
756 before ^ Glib.Utf8.from_unichar
757 (snd (Virtuals.symbol_of_virtual input)) ^ after
758 with Virtuals.Not_a_virtual -> pristine)
759 ~pat:" ?\\\\[a-zA-Z]+ ?" text
761 buffer#insert ~iter:lock text
763 (** @param rel_offset relative offset from current position of locked_mark *)
764 method private moveMark rel_offset =
765 let mark = `MARK locked_mark in
766 let old_insert = buffer#get_iter_at_mark `INSERT in
767 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
768 let current_mark_pos = buffer#get_iter_at_mark mark in
770 match rel_offset with
771 | 0 -> current_mark_pos
772 | n when n > 0 -> current_mark_pos#forward_chars n
773 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
775 buffer#move_mark mark ~where:new_mark_pos;
776 (* CSC: the next line is required to avoid race conditions (deadlocks) *)
777 GtkThread.sync(fun () -> buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos) ();
778 buffer#move_mark `INSERT old_insert;
779 let mark_position = buffer#get_iter_at_mark mark in
780 if source_view#move_mark_onscreen mark then
782 buffer#move_mark mark mark_position;
783 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
785 let time0 = Unix.gettimeofday () in
786 GtkThread.sync (fun () -> while Glib.Main.pending () do ignore(Glib.Main.iteration false); done) ();
787 let time1 = Unix.gettimeofday () in
788 HLog.debug ("... refresh done in " ^ string_of_float (time1 -. time0) ^ "s")
790 method clean_dirty_lock =
791 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
792 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
793 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
795 val mutable observers = []
797 method addObserver (o: GrafiteTypes.status -> unit) =
798 observers <- o :: observers
800 method private notify =
801 let status = self#status in
802 List.iter (fun o -> o status) observers
805 NCicLibrary.replace self#status;
808 method loadFromFile f =
809 buffer#set_text (HExtlib.input_file f);
811 buffer#set_modified false
813 method assignFileName file =
816 tab_label#set_text default_fname;
818 include_paths_ <- [];
821 let f = Librarian.absolutize file in
822 tab_label#set_text (Filename.basename f);
824 include_paths_ <- MatitaEngine.read_include_paths ~include_paths:[] f;
828 tab_label#set_text ((if b then "*" else "")^Filename.basename self#filename);
829 tab_label#misc#set_tooltip_text
830 ("URI: " ^ self#buri_of_current_file ^ "\nPATH: " ^ self#filename);
832 method saveToFile () =
833 if self#has_name then
834 let oc = open_out self#filename in
835 output_string oc (buffer#get_text ~start:buffer#start_iter
836 ~stop:buffer#end_iter ());
839 buffer#set_modified false
841 HLog.error "Can't save, no filename selected"
843 method private _saveToBackupFile () =
844 if buffer#modified then
846 let f = self#filename ^ "~" in
847 let oc = open_out f in
848 output_string oc (buffer#get_text ~start:buffer#start_iter
849 ~stop:buffer#end_iter ());
851 HLog.debug ("backup " ^ f ^ " saved")
854 method private reset_buffer =
856 history <- [ initial_statuses (Some self#status) self#buri_of_current_file ];
858 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
859 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
863 source_buffer#begin_not_undoable_action ();
864 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
865 source_buffer#end_not_undoable_action ();
866 buffer#set_modified false;
869 let template = HExtlib.input_file BuildTimeConf.script_template in
870 buffer#insert ~iter:(buffer#get_iter `START) template;
871 buffer#set_modified false;
874 method goto (pos: [`Top | `Bottom | `Cursor]) () =
876 let old_locked_mark =
878 (buffer#create_mark ~name:"old_locked_mark"
879 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
880 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
881 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
882 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
885 dispose_old_locked_mark ();
892 let newpos = getpos () in
893 if (getoldpos ())#compare newpos < 0 then
895 buffer#move_mark old_locked_mark newpos;
900 dispose_old_locked_mark ();
903 | Margin -> dispose_old_locked_mark (); self#notify
904 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
906 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
907 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
910 (buffer#create_mark ~name:"initial_insert"
911 ~left_gravity:true (cursor_iter ())) in
912 let dispose_remember () = buffer#delete_mark remember in
913 let remember_iter () =
914 buffer#get_iter_at_mark (`NAME "initial_insert") in
915 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
917 let forward_until_cursor () = (* go forward until locked > cursor *)
920 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
923 buffer#move_mark old_locked_mark (getpos ());
929 let rec back_until_cursor len = (* go backward until locked < cursor *)
931 statements, ((status)::_ as history)
933 self#_retract (icmp - len) status statements
935 | statement::tl1, _::tl2 ->
936 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
937 | _,_ -> assert false
941 if icmp < 0 then (* locked < cursor *)
942 (forward_until_cursor (); self#notify)
943 else if icmp > 0 then (* locked > cursor *)
944 (back_until_cursor icmp (statements,history); self#notify)
945 else (* cursor = locked *)
949 dispose_old_locked_mark ();
951 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
952 | exc -> dispose_remember (); dispose_old_locked_mark ();
953 self#notify; raise exc)
954 with Invalid_argument "Array.make" ->
955 HLog.error "The script is too big!\n"
963 let rec is_there_only_comments status s =
964 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
966 GrafiteParser.parsable_statement status
967 (Ulexing.from_utf8_string s)in
968 match GrafiteParser.parse_statement status strm with
969 | GrafiteAst.Comment (loc,_) ->
970 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
971 (* CSC: why +1 in the following lines ???? *)
972 let parsed_text_length = parsed_text_length + 1 in
973 let remain_len = String.length s - parsed_text_length in
974 let next = String.sub s parsed_text_length remain_len in
975 is_there_only_comments status next
976 | GrafiteAst.Executable _ -> false
978 try is_there_only_comments self#status self#getFuture
980 | NCicLibrary.IncludedFileNotCompiled _
981 | HExtlib.Localized _
982 | CicNotationParser.Parse_error _ -> false
983 | Margin | End_of_file -> true
984 | Invalid_argument "Array.make" -> false
988 HLog.debug "script status:";
989 HLog.debug ("history size: " ^ string_of_int (List.length history));
990 HLog.debug (sprintf "%d statements:" (List.length statements));
991 List.iter HLog.debug statements;
992 HLog.debug ("Current file name: " ^ self#filename);
994 method has_parent (p : GObj.widget) = parent#coerce#misc#get_oid = p#misc#get_oid
999 let script ~parent ~tab_label ()
1001 let s = new script ~parent ~tab_label () in
1002 _script := s::!_script;
1006 let notebook = (MatitaMisc.get_gui ())#main#scriptNotebook in
1007 let parent = notebook#get_nth_page page in
1009 List.find (fun s -> s#has_parent parent) !_script
1011 Not_found -> assert false
1015 at_page ((MatitaMisc.get_gui ())#main#scriptNotebook#current_page)
1018 let s = at_page page in
1019 _script := List.filter ((<>) s) !_script
1022 let iter_scripts f = List.iter f !_script;;
1025 CicMathView.register_matita_script_current (current :> unit -> < advance: ?statement:string -> unit -> unit; status: GrafiteTypes.status >)