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 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 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 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#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#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
137 let s = NTactics.intros_tac ~names_ref [] script#status in
138 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
139 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
140 [s, nl ^ "#" ^ String.concat " " !names_ref ^ ";"], "", parsed_text_length
141 | TA.NAutoInteractive (_loc, (None,a)) ->
142 let trace_ref = ref [] in
143 let s = NnAuto.auto_tac ~params:(None,a) ~trace_ref script#status in
145 try List.assoc "depth" a
148 let trace = "/"^(if int_of_string depth > 1 then depth else "")^"/ by " in
150 match !trace_ref with
154 (HExtlib.filter_map (function
155 | NotationPt.NRef r -> Some (NCicPp.r2s true r)
159 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
160 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
161 [s, nl ^ trace ^ thms ^ ";"], "", parsed_text_length
162 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
164 let rec eval_executable include_paths (buffer : GText.buffer) guistuff
165 status unparsed_text skipped_txt nonskipped_txt script ex loc
168 ignore (buffer#move_mark (`NAME "beginning_of_statement")
169 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
170 (Glib.Utf8.length skipped_txt))) ;
171 eval_with_engine include_paths guistuff status skipped_txt nonskipped_txt
172 (TA.Executable (loc, ex))
174 MatitaTypes.Cancel -> [], "", 0
175 | GrafiteEngine.NMacro (_loc,macro) ->
176 eval_nmacro include_paths buffer guistuff status
177 unparsed_text (skipped_txt ^ nonskipped_txt) script macro
180 and eval_statement include_paths (buffer : GText.buffer) guistuff status script
183 let st,unparsed_text =
186 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
188 GrafiteParser.parsable_statement status
189 (Ulexing.from_utf8_string text) in
190 let ast = MatitaEngine.get_ast status include_paths strm in
192 | `Ast (st, text) -> st, text
194 let text_of_loc floc =
195 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
196 let start, stop = HExtlib.loc_of_floc floc in
197 let floc = HExtlib.floc_of_loc (0, start) in
198 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
199 let floc = HExtlib.floc_of_loc (0, stop) in
200 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
201 txt,nonskipped_txt,skipped_txt,len
204 | GrafiteAst.Executable (loc, ex) ->
205 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
206 eval_executable include_paths buffer guistuff status unparsed_text
207 skipped nonskipped script ex loc
208 | GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex))
209 when Helm_registry.get_bool "matita.execcomments" ->
210 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
211 eval_executable include_paths buffer guistuff status unparsed_text
212 skipped nonskipped script ex loc
213 | GrafiteAst.Comment (loc, _) ->
214 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
215 let remain_len = String.length unparsed_text - parsed_text_length in
216 let s = String.sub unparsed_text parsed_text_length remain_len in
219 eval_statement include_paths buffer guistuff status script (`Raw s)
221 HExtlib.Localized (floc, exn) ->
222 HExtlib.raise_localized_exception
223 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
224 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
226 (MultiPassDisambiguator.DisambiguationError
227 (offset+parsed_text_length, errorll))
229 assert (text=""); (* no macros inside comments, please! *)
231 | (statuses,text)::tl ->
232 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
235 let fresh_script_id =
239 (** Selection handling
240 * Two clipboards are used: "clipboard" and "primary".
241 * "primary" is used by X, when you hit the middle button mouse is content is
242 * pasted between applications. In Matita this selection always contain the
243 * textual version of the selected term.
244 * "clipboard" is used inside Matita only and support ATM two different targets:
245 * "TERM" and "PATTERN", in the future other targets like "MATHMLCONTENT" may
248 class script ~ask_confirmation ~urichooser ~(parent:GBin.scrolled_window) ~tab_label () =
250 GSourceView2.source_view
252 ~insert_spaces_instead_of_tabs:true ~tab_width:2
253 ~right_margin_position:80 ~show_right_margin:true
254 ~smart_home_end:`AFTER
255 ~packing:parent#add_with_viewport
257 let buffer = source_view#buffer in
258 let source_buffer = source_view#source_buffer in
259 let similarsymbols_tag_name = "similarsymbolos" in
260 let similarsymbols_tag = `NAME similarsymbols_tag_name in
261 let initial_statuses current baseuri =
262 let status = new GrafiteTypes.status baseuri in
265 NCicLibrary.time_travel status;
267 (* MATITA 1.0: there is a known bug in invalidation; temporary fix here *)
268 NCicEnvironment.invalidate () *)
272 let read_include_paths file =
274 let root, _buri, _fname, _tgt =
275 Librarian.baseuri_of_script ~include_paths:[] file in
278 Str.split (Str.regexp " ")
279 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
282 let rc = root :: includes in
283 List.iter (HLog.debug) rc; rc
284 with Librarian.NoRootFor _ | Librarian.FileNotFound _ ->
287 let default_buri = "cic:/matita/tests" in
288 let default_fname = ".unnamed.ma" in
290 val mutable include_paths_ = []
291 val clipboard = GData.clipboard Gdk.Atom.clipboard
292 (*val primary = GData.clipboard Gdk.Atom.primary*)
293 val mutable similarsymbols = []
294 val mutable similarsymbols_orig = []
295 val similar_memory = Hashtbl.create 97
296 val mutable old_used_memory = false
298 val scriptId = fresh_script_id ()
301 urichooser = urichooser source_view;
302 ask_confirmation = ask_confirmation;
305 val mutable filename_ = (None : string option)
307 method has_name = filename_ <> None
309 method source_view = source_view
311 method include_paths =
313 Helm_registry.get_list Helm_registry.string "matita.includes"
315 method private curdir =
317 let root, _buri, _fname, _tgt =
318 Librarian.baseuri_of_script ~include_paths:self#include_paths
322 with Librarian.NoRootFor _ -> Sys.getcwd ()
324 method buri_of_current_file =
326 | None -> default_buri
329 let _root, buri, _fname, _tgt =
330 Librarian.baseuri_of_script ~include_paths:self#include_paths f
333 with Librarian.NoRootFor _ | Librarian.FileNotFound _ -> default_buri
335 method filename = match filename_ with None -> default_fname | Some f -> f
339 (source_view#source_buffer#begin_not_undoable_action ();
342 source_view#source_buffer#end_not_undoable_action ());
343 MatitaMisc.observe_font_size (fun font_size ->
344 source_view#misc#modify_font_by_name
345 (sprintf "%s %d" BuildTimeConf.script_font font_size));
346 source_view#misc#grab_focus ();
347 ignore(source_view#source_buffer#set_language
348 (Some MatitaGtkMisc.matita_lang));
349 ignore(source_view#source_buffer#set_highlight_syntax true);
350 ignore(source_view#connect#after#paste_clipboard
351 ~callback:(fun () -> self#clean_dirty_lock));
352 ignore (GMain.Timeout.add ~ms:300000
353 ~callback:(fun _ -> self#_saveToBackupFile ();true));
354 ignore (buffer#connect#modified_changed
355 (fun _ -> self#set_star buffer#modified));
356 (* clean_locked is set to true only "during" a PRIMARY paste
357 operation (i.e. by clicking with the second mouse button) *)
358 let clean_locked = ref false in
359 ignore(source_view#event#connect#button_press
362 if GdkEvent.Button.button button = 2 then
363 clean_locked := true;
366 ignore(source_view#event#connect#button_release
367 ~callback:(fun button -> clean_locked := false; false));
368 ignore(source_view#buffer#connect#after#apply_tag
370 fun tag ~start:_ ~stop:_ ->
372 tag#get_oid = self#locked_tag#get_oid
375 clean_locked := false;
376 self#clean_dirty_lock;
379 ignore(source_view#source_buffer#connect#after#insert_text
380 ~callback:(fun iter str ->
381 if (MatitaMisc.get_gui ())#main#menuitemAutoAltL#active && (str = " " || str = "\n") then
382 ignore(self#expand_virtual_if_any iter str)));
383 ignore(source_view#connect#after#populate_popup
384 ~callback:(fun pre_menu ->
385 let menu = new GMenu.menu pre_menu in
386 let menuItems = menu#children in
387 let undoMenuItem, redoMenuItem =
389 [undo;redo;sep1;cut;copy;paste;delete;sep2;
390 selectall;sep3;inputmethod;insertunicodecharacter] ->
391 List.iter menu#remove [ copy; cut; delete; paste ];
393 | _ -> assert false in
395 let i = ref 2 in (* last occupied position *)
396 fun ?label ?stock () ->
398 GMenu.image_menu_item ?label ?stock ~packing:(menu#insert ~pos:!i)
401 let copy = add_menu_item ~stock:`COPY () in
402 let cut = add_menu_item ~stock:`CUT () in
403 let delete = add_menu_item ~stock:`DELETE () in
404 let paste = add_menu_item ~stock:`PASTE () in
405 let paste_pattern = add_menu_item ~label:"Paste as pattern" () in
406 copy#misc#set_sensitive self#canCopy;
407 cut#misc#set_sensitive self#canCut;
408 delete#misc#set_sensitive self#canDelete;
409 paste#misc#set_sensitive self#canPaste;
410 paste_pattern#misc#set_sensitive self#canPastePattern;
411 MatitaGtkMisc.connect_menu_item copy self#copy;
412 MatitaGtkMisc.connect_menu_item cut self#cut;
413 MatitaGtkMisc.connect_menu_item delete self#delete;
414 MatitaGtkMisc.connect_menu_item paste self#paste;
415 MatitaGtkMisc.connect_menu_item paste_pattern self#pastePattern;
416 let new_undoMenuItem =
417 GMenu.image_menu_item
418 ~image:(GMisc.image ~stock:`UNDO ())
421 ~packing:(menu#insert ~pos:0) () in
422 new_undoMenuItem#misc#set_sensitive
423 (undoMenuItem#misc#get_flag `SENSITIVE);
424 menu#remove (undoMenuItem :> GMenu.menu_item);
425 MatitaGtkMisc.connect_menu_item new_undoMenuItem
426 (fun () -> self#safe_undo);
427 let new_redoMenuItem =
428 GMenu.image_menu_item
429 ~image:(GMisc.image ~stock:`REDO ())
432 ~packing:(menu#insert ~pos:1) () in
433 new_redoMenuItem#misc#set_sensitive
434 (redoMenuItem#misc#get_flag `SENSITIVE);
435 menu#remove (redoMenuItem :> GMenu.menu_item);
436 MatitaGtkMisc.connect_menu_item new_redoMenuItem
437 (fun () -> self#safe_redo)));
439 val mutable statements = [] (** executed statements *)
441 val mutable history = [ initial_statuses None default_buri ]
442 (** list of states before having executed statements. Head element of this
443 * list is the current state, last element is the state at the beginning of
445 * Invariant: this list length is 1 + length of statements *)
447 (** text mark and tag representing locked part of a script *)
449 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
450 val beginning_of_statement_mark =
451 buffer#create_mark ~name:"beginning_of_statement"
452 ~left_gravity:true buffer#start_iter
453 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
454 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
456 (** unicode handling *)
457 method nextSimilarSymbol =
458 let write_similarsymbol s =
459 let s = Glib.Utf8.from_unichar s in
460 let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
461 assert(Glib.Utf8.validate s);
462 source_view#source_buffer#delete ~start:iter ~stop:(iter#copy#backward_chars 1);
463 source_view#source_buffer#insert ~iter:(source_view#source_buffer#get_iter_at_mark `INSERT) s;
464 (try source_view#source_buffer#delete_mark similarsymbols_tag
465 with GText.No_such_mark _ -> ());
466 ignore(source_view#source_buffer#create_mark ~name:similarsymbols_tag_name
467 (source_view#source_buffer#get_iter_at_mark `INSERT));
469 let new_similarsymbol =
471 let iter_ins = source_view#source_buffer#get_iter_at_mark `INSERT in
472 let iter_lig = source_view#source_buffer#get_iter_at_mark similarsymbols_tag in
473 not (iter_ins#equal iter_lig)
474 with GText.No_such_mark _ -> true
476 if new_similarsymbol then
477 (if not(self#expand_virtual_if_any (source_view#source_buffer#get_iter_at_mark `INSERT) "")then
479 let i = source_view#source_buffer#get_iter_at_mark `INSERT in
480 Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
482 (match Virtuals.similar_symbols last_symbol with
485 similarsymbols_orig <- eqclass;
487 try Hashtbl.find similar_memory similarsymbols_orig
489 let is_used = List.map (fun x -> x,false) eqclass in
490 Hashtbl.add similar_memory eqclass is_used;
495 List.partition (fun s -> List.assoc s is_used) eqclass
497 match used @ unused with a::b::c -> a,b,c | _ -> assert false
500 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
502 old_used_memory <- List.assoc hd is_used;
504 (hd,true) :: List.filter (fun (x,_) -> x <> hd) is_used
506 Hashtbl.replace similar_memory similarsymbols_orig is_used;
507 write_similarsymbol hd;
508 similarsymbols <- tl @ [ hd ]))
510 match similarsymbols with
513 let is_used = Hashtbl.find similar_memory similarsymbols_orig in
514 let last = HExtlib.list_last tl in
515 let old_used_for_last = old_used_memory in
516 old_used_memory <- List.assoc hd is_used;
518 (hd, true) :: (last,old_used_for_last) ::
519 List.filter (fun (x,_) -> x <> last && x <> hd) is_used
521 Hashtbl.replace similar_memory similarsymbols_orig is_used;
522 similarsymbols <- tl @ [ hd ];
523 write_similarsymbol hd
525 method private reset_similarsymbols =
526 similarsymbols <- [];
527 similarsymbols_orig <- [];
528 try source_view#source_buffer#delete_mark similarsymbols_tag
529 with GText.No_such_mark _ -> ()
531 method private expand_virtual_if_any iter tok =
533 let len = MatitaGtkMisc.utf8_string_length tok in
535 let prev = iter#copy#backward_chars len in
536 prev#get_slice ~stop:(prev#copy#backward_find_char
537 (fun x -> Glib.Unichar.isspace x || x = Glib.Utf8.first_char "\\"))
539 let inplaceof, symb = Virtuals.symbol_of_virtual last_word in
540 self#reset_similarsymbols;
541 let s = Glib.Utf8.from_unichar symb in
542 assert(Glib.Utf8.validate s);
543 source_view#source_buffer#delete ~start:iter
544 ~stop:(iter#copy#backward_chars
545 (MatitaGtkMisc.utf8_string_length inplaceof + len));
546 source_view#source_buffer#insert ~iter
547 (if inplaceof.[0] = '\\' then s else (s ^ tok));
549 with Virtuals.Not_a_virtual -> false
551 (** selections / clipboards handling *)
553 method markupSelected = MatitaMathView.has_selection ()
554 method private textSelected =
555 (source_view#source_buffer#get_iter_at_mark `INSERT)#compare
556 (source_view#source_buffer#get_iter_at_mark `SEL_BOUND) <> 0
557 method private markupStored = MatitaMathView.has_clipboard ()
558 method private textStored = clipboard#text <> None
559 method canCopy = self#textSelected
560 method canCut = self#textSelected
561 method canDelete = self#textSelected
562 (*CSC: WRONG CODE: we should look in the clipboard instead! *)
563 method canPaste = self#markupStored || self#textStored
564 method canPastePattern = self#markupStored
567 (* phase 1: we save the actual status of the marks and we undo *)
568 let locked_mark = `MARK (self#locked_mark) in
569 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
570 let locked_iter_offset = locked_iter#offset in
573 (source_view#buffer#create_mark ~name:"lock_point"
574 ~left_gravity:true locked_iter) in
575 source_view#source_buffer#undo ();
576 (* phase 2: we save the cursor position and we redo, restoring
577 the previous status of all the marks *)
578 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
581 (source_view#buffer#create_mark ~name:"undo_point"
582 ~left_gravity:true cursor_iter)
584 source_view#source_buffer#redo ();
585 let mark_iter = source_view#buffer#get_iter_at_mark mark in
586 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
587 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
588 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
589 source_view#buffer#delete_mark mark;
590 source_view#buffer#delete_mark mark2;
591 (* phase 3: if after the undo the cursor was in the locked area,
592 then we move it there again and we perform a goto *)
593 if mark_iter#offset < locked_iter_offset then
595 source_view#buffer#move_mark `INSERT ~where:mark_iter;
596 self#goto `Cursor ();
598 (* phase 4: we perform again the undo. This time we are sure that
599 the text to undo is not locked *)
600 source_view#source_buffer#undo ();
601 source_view#misc#grab_focus ()
604 (* phase 1: we save the actual status of the marks, we redo and
606 let locked_mark = `MARK (self#locked_mark) in
607 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
608 let locked_iter_offset = locked_iter#offset in
611 (source_view#buffer#create_mark ~name:"lock_point"
612 ~left_gravity:true locked_iter) in
613 source_view#source_buffer#redo ();
614 source_view#source_buffer#undo ();
615 (* phase 2: we save the cursor position and we restore
616 the previous status of all the marks *)
617 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
620 (source_view#buffer#create_mark ~name:"undo_point"
621 ~left_gravity:true cursor_iter)
623 let mark_iter = source_view#buffer#get_iter_at_mark mark in
624 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
625 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
626 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
627 source_view#buffer#delete_mark mark;
628 source_view#buffer#delete_mark mark2;
629 (* phase 3: if after the undo the cursor is in the locked area,
630 then we move it there again and we perform a goto *)
631 if mark_iter#offset < locked_iter_offset then
633 source_view#buffer#move_mark `INSERT ~where:mark_iter;
634 self#goto `Cursor ();
636 (* phase 4: we perform again the redo. This time we are sure that
637 the text to redo is not locked *)
638 source_view#source_buffer#redo ();
639 source_view#misc#grab_focus ()
645 MatitaMathView.empty_clipboard ();
646 source_view#buffer#copy_clipboard clipboard;
648 MatitaMathView.copy_selection ()
651 source_view#buffer#cut_clipboard clipboard;
652 MatitaMathView.empty_clipboard ()
655 ignore (source_view#buffer#delete_selection ())
658 if MatitaMathView.has_clipboard ()
659 then source_view#buffer#insert (MatitaMathView.paste_clipboard `Term)
660 else source_view#buffer#paste_clipboard clipboard;
661 self#clean_dirty_lock
663 method pastePattern () =
664 source_view#buffer#insert (MatitaMathView.paste_clipboard `Pattern)
666 method locked_mark = locked_mark
667 method locked_tag = locked_tag
668 method error_tag = error_tag
670 (* history can't be empty, the invariant above grant that it contains at
671 * least the init grafite_status *)
672 method status = match history with s::_ -> s | _ -> assert false
674 method private _advance ?statement () =
675 let s = match statement with Some s -> s | None -> self#getFuture in
676 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
677 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
678 let time1 = Unix.gettimeofday () in
679 let entries, newtext, parsed_len =
681 eval_statement self#include_paths buffer guistuff self#status self (`Raw s)
682 with End_of_file -> raise Margin
684 let time2 = Unix.gettimeofday () in
685 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
686 let new_statuses, new_statements =
687 let statuses, texts = List.split entries in
690 history <- new_statuses @ history;
691 statements <- new_statements @ statements;
692 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
693 let new_text = String.concat "" (List.rev new_statements) in
694 if statement <> None then
695 buffer#insert ~iter:start new_text
697 let parsed_text = String.sub s 0 parsed_len in
698 if new_text <> parsed_text then begin
699 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
700 buffer#delete ~start ~stop;
701 buffer#insert ~iter:start new_text;
704 self#moveMark (Glib.Utf8.length new_text);
705 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext
707 method private _retract offset status new_statements new_history =
708 NCicLibrary.time_travel status;
709 statements <- new_statements;
710 history <- new_history;
711 self#moveMark (- offset)
713 method advance ?statement () =
715 self#_advance ?statement ();
718 | Margin -> self#notify
719 | Not_found -> assert false
720 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
721 | exc -> self#notify; raise exc
725 let cmp,new_statements,new_history,status =
726 match statements,history with
727 stat::statements, _::(status::_ as history) ->
728 assert (Glib.Utf8.validate stat);
729 Glib.Utf8.length stat, statements, history, status
730 | [],[_] -> raise Margin
731 | _,_ -> assert false
733 self#_retract cmp status new_statements new_history;
736 | Margin -> self#notify
737 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
738 | exc -> self#notify; raise exc
740 method private getFuture =
741 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
742 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
745 method expandAllVirtuals =
746 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
747 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
748 buffer#delete ~start:lock ~stop:buffer#end_iter;
749 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
750 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
751 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
753 Pcre.substitute_substrings
755 let pristine = Pcre.get_substring str 0 in
757 if pristine.[0] = ' ' then
758 String.sub pristine 1 (String.length pristine -1)
762 if input.[String.length input-1] = ' ' then
763 String.sub input 0 (String.length input -1)
767 if input = "\\forall" ||
768 input = "\\lambda" ||
769 input = "\\exists" then "","" else " ", " "
772 before ^ Glib.Utf8.from_unichar
773 (snd (Virtuals.symbol_of_virtual input)) ^ after
774 with Virtuals.Not_a_virtual -> pristine)
775 ~pat:" ?\\\\[a-zA-Z]+ ?" text
777 buffer#insert ~iter:lock text
779 (** @param rel_offset relative offset from current position of locked_mark *)
780 method private moveMark rel_offset =
781 let mark = `MARK locked_mark in
782 let old_insert = buffer#get_iter_at_mark `INSERT in
783 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
784 let current_mark_pos = buffer#get_iter_at_mark mark in
786 match rel_offset with
787 | 0 -> current_mark_pos
788 | n when n > 0 -> current_mark_pos#forward_chars n
789 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
791 buffer#move_mark mark ~where:new_mark_pos;
792 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
793 buffer#move_mark `INSERT old_insert;
794 let mark_position = buffer#get_iter_at_mark mark in
795 if source_view#move_mark_onscreen mark then
797 buffer#move_mark mark mark_position;
798 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
800 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
802 method clean_dirty_lock =
803 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
804 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
805 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
807 val mutable observers = []
809 method addObserver (o: GrafiteTypes.status -> unit) =
810 observers <- o :: observers
812 method private notify =
813 let status = self#status in
814 List.iter (fun o -> o status) observers
819 method loadFromFile f =
820 buffer#set_text (HExtlib.input_file f);
822 buffer#set_modified false
824 method assignFileName file =
827 tab_label#set_text default_fname;
829 include_paths_ <- [];
832 let f = Librarian.absolutize file in
833 tab_label#set_text (Filename.basename f);
835 include_paths_ <- read_include_paths f;
839 tab_label#set_text ((if b then "*" else "")^Filename.basename self#filename);
840 tab_label#misc#set_tooltip_text
841 ("URI: " ^ self#buri_of_current_file ^ "\nPATH: " ^ self#filename);
843 method saveToFile () =
844 if self#has_name then
845 let oc = open_out self#filename in
846 output_string oc (buffer#get_text ~start:buffer#start_iter
847 ~stop:buffer#end_iter ());
850 buffer#set_modified false
852 HLog.error "Can't save, no filename selected"
854 method private _saveToBackupFile () =
855 if buffer#modified then
857 let f = self#filename in
858 let oc = open_out f in
859 output_string oc (buffer#get_text ~start:buffer#start_iter
860 ~stop:buffer#end_iter ());
862 HLog.debug ("backup " ^ f ^ " saved")
865 method private reset_buffer =
867 history <- [ initial_statuses (Some self#status) self#buri_of_current_file ];
869 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
870 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
874 source_buffer#begin_not_undoable_action ();
875 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
876 source_buffer#end_not_undoable_action ();
877 buffer#set_modified false;
880 let template = HExtlib.input_file BuildTimeConf.script_template in
881 buffer#insert ~iter:(buffer#get_iter `START) template;
882 buffer#set_modified false;
885 method goto (pos: [`Top | `Bottom | `Cursor]) () =
887 let old_locked_mark =
889 (buffer#create_mark ~name:"old_locked_mark"
890 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
891 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
892 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
893 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
896 dispose_old_locked_mark ();
903 let newpos = getpos () in
904 if (getoldpos ())#compare newpos < 0 then
906 buffer#move_mark old_locked_mark newpos;
911 dispose_old_locked_mark ();
914 | Margin -> dispose_old_locked_mark (); self#notify
915 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
917 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
918 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
921 (buffer#create_mark ~name:"initial_insert"
922 ~left_gravity:true (cursor_iter ())) in
923 let dispose_remember () = buffer#delete_mark remember in
924 let remember_iter () =
925 buffer#get_iter_at_mark (`NAME "initial_insert") in
926 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
928 let forward_until_cursor () = (* go forward until locked > cursor *)
931 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
934 buffer#move_mark old_locked_mark (getpos ());
940 let rec back_until_cursor len = (* go backward until locked < cursor *)
942 statements, ((status)::_ as history)
944 self#_retract (icmp - len) status statements
946 | statement::tl1, _::tl2 ->
947 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
948 | _,_ -> assert false
952 if icmp < 0 then (* locked < cursor *)
953 (forward_until_cursor (); self#notify)
954 else if icmp > 0 then (* locked > cursor *)
955 (back_until_cursor icmp (statements,history); self#notify)
956 else (* cursor = locked *)
960 dispose_old_locked_mark ();
962 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
963 | exc -> dispose_remember (); dispose_old_locked_mark ();
964 self#notify; raise exc)
965 with Invalid_argument "Array.make" ->
966 HLog.error "The script is too big!\n"
974 let rec is_there_only_comments status s =
975 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
977 GrafiteParser.parsable_statement status
978 (Ulexing.from_utf8_string s)in
979 match GrafiteParser.parse_statement status strm with
980 | GrafiteAst.Comment (loc,_) ->
981 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
982 (* CSC: why +1 in the following lines ???? *)
983 let parsed_text_length = parsed_text_length + 1 in
984 let remain_len = String.length s - parsed_text_length in
985 let next = String.sub s parsed_text_length remain_len in
986 is_there_only_comments status next
987 | GrafiteAst.Executable _ -> false
989 try is_there_only_comments self#status self#getFuture
991 | NCicLibrary.IncludedFileNotCompiled _
992 | HExtlib.Localized _
993 | CicNotationParser.Parse_error _ -> false
994 | Margin | End_of_file -> true
995 | Invalid_argument "Array.make" -> false
999 HLog.debug "script status:";
1000 HLog.debug ("history size: " ^ string_of_int (List.length history));
1001 HLog.debug (sprintf "%d statements:" (List.length statements));
1002 List.iter HLog.debug statements;
1003 HLog.debug ("Current file name: " ^ self#filename);
1005 method has_parent (p : GObj.widget) = parent#coerce#misc#get_oid = p#misc#get_oid
1008 let _script = ref []
1010 let script ~urichooser ~ask_confirmation ~parent ~tab_label ()
1012 let s = new script ~ask_confirmation ~urichooser ~parent ~tab_label () in
1013 _script := s::!_script;
1017 let notebook = (MatitaMisc.get_gui ())#main#scriptNotebook in
1018 let parent = notebook#get_nth_page page in
1020 List.find (fun s -> s#has_parent parent) !_script
1022 Not_found -> assert false
1026 at_page ((MatitaMisc.get_gui ())#main#scriptNotebook#current_page)
1029 let s = at_page page in
1030 _script := List.filter ((<>) s) !_script
1033 let iter_scripts f = List.iter f !_script;;
1036 CicMathView.register_matita_script_current (current :> unit -> < advance: ?statement:string -> unit -> unit; status: GrafiteTypes.status >)