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 user_goal
74 skipped_txt nonskipped_txt st
76 let parsed_text_length =
77 String.length skipped_txt + String.length nonskipped_txt
79 let text = skipped_txt ^ nonskipped_txt in
80 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
81 let enriched_history_fragment =
82 MatitaEngine.eval_ast ~include_paths ~do_heavy_checks:(Helm_registry.get_bool
83 "matita.do_heavy_checks")
84 grafite_status (text,prefix_len,st)
86 let enriched_history_fragment = List.rev enriched_history_fragment in
90 (fun (acc, to_prepend) (status,alias) ->
92 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
94 let newtxt = GrafiteAstPp.pp_alias value in
95 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
96 ([],skipped_txt) enriched_history_fragment
98 res,"",parsed_text_length
101 let pp_eager_statement_ast = GrafiteAstPp.pp_statement
103 let eval_nmacro include_paths (buffer : GText.buffer) guistuff grafite_status user_goal unparsed_text parsed_text script mac =
104 let parsed_text_length = String.length parsed_text in
106 | TA.Screenshot (_,name) ->
107 let status = script#grafite_status in
108 let _,_,menv,subst,_ = status#obj in
109 let name = Filename.dirname (script#filename) ^ "/" ^ name in
111 let selected = Continuationals.Stack.head_goals status#stack in
112 List.filter (fun x,_ -> List.mem x selected) menv
114 CicMathView.screenshot status sequents menv subst name;
115 [status, parsed_text], "", parsed_text_length
117 let status = script#grafite_status in
118 let _,_,menv,subst,_ = status#obj in
120 match Continuationals.Stack.head_goals status#stack with
125 "Many goals focused. Using the context of the first one\n";
126 let _, ctx, _ = NCicUtils.lookup_meta g menv in
128 let m, s, status, t =
129 GrafiteDisambiguate.disambiguate_nterm
130 status None ctx menv subst (parsed_text,parsed_text_length,
131 NotationPt.Cast (t,NotationPt.Implicit `JustOne))
132 (* XXX use the metasenv, if possible *)
134 MatitaMathView.show_entry (`NCic (t,ctx,m,s));
135 [status, parsed_text], "", parsed_text_length
136 | TA.NIntroGuess _loc ->
137 let names_ref = ref [] in
139 NTactics.intros_tac ~names_ref [] script#grafite_status
141 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
142 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
143 [s, nl ^ "#" ^ String.concat " " !names_ref ^ ";"], "", parsed_text_length
144 | TA.NAutoInteractive (_loc, (None,a)) ->
145 let trace_ref = ref [] in
148 ~params:(None,a) ~trace_ref script#grafite_status
151 try List.assoc "depth" a
154 let trace = "/"^(if int_of_string depth > 1 then depth else "")^"/ by " in
156 match !trace_ref with
160 (HExtlib.filter_map (function
161 | NotationPt.NRef r -> Some (NCicPp.r2s true r)
165 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
166 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
167 [s, nl ^ trace ^ thms ^ ";"], "", parsed_text_length
168 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
170 let rec eval_executable include_paths (buffer : GText.buffer) guistuff
171 grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
175 ignore (buffer#move_mark (`NAME "beginning_of_statement")
176 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
177 (Glib.Utf8.length skipped_txt))) ;
178 eval_with_engine include_paths
179 guistuff grafite_status user_goal skipped_txt nonskipped_txt
180 (TA.Executable (loc, ex))
182 MatitaTypes.Cancel -> [], "", 0
183 | GrafiteEngine.NMacro (_loc,macro) ->
184 eval_nmacro include_paths buffer guistuff grafite_status
185 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
188 and eval_statement include_paths (buffer : GText.buffer) guistuff
189 grafite_status user_goal script statement
191 let st,unparsed_text =
194 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
196 GrafiteParser.parsable_statement grafite_status
197 (Ulexing.from_utf8_string text) in
198 let ast = MatitaEngine.get_ast grafite_status include_paths strm in
200 | `Ast (st, text) -> st, text
202 let text_of_loc floc =
203 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
204 let start, stop = HExtlib.loc_of_floc floc in
205 let floc = HExtlib.floc_of_loc (0, start) in
206 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
207 let floc = HExtlib.floc_of_loc (0, stop) in
208 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
209 txt,nonskipped_txt,skipped_txt,len
212 | GrafiteAst.Executable (loc, ex) ->
213 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
214 eval_executable include_paths buffer guistuff
215 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
216 | GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex))
217 when Helm_registry.get_bool "matita.execcomments" ->
218 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
219 eval_executable include_paths buffer guistuff
220 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
221 | GrafiteAst.Comment (loc, _) ->
222 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
223 let remain_len = String.length unparsed_text - parsed_text_length in
224 let s = String.sub unparsed_text parsed_text_length remain_len in
227 eval_statement include_paths buffer guistuff
228 grafite_status user_goal script (`Raw s)
230 HExtlib.Localized (floc, exn) ->
231 HExtlib.raise_localized_exception
232 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
233 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
235 (MultiPassDisambiguator.DisambiguationError
236 (offset+parsed_text_length, errorll))
238 assert (text=""); (* no macros inside comments, please! *)
240 | (statuses,text)::tl ->
241 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
244 let fresh_script_id =
248 (** Selection handling
249 * Two clipboards are used: "clipboard" and "primary".
250 * "primary" is used by X, when you hit the middle button mouse is content is
251 * pasted between applications. In Matita this selection always contain the
252 * textual version of the selected term.
253 * "clipboard" is used inside Matita only and support ATM two different targets:
254 * "TERM" and "PATTERN", in the future other targets like "MATHMLCONTENT" may
257 class script ~ask_confirmation ~urichooser ~(parent:GBin.scrolled_window) ~tab_label () =
259 GSourceView2.source_view
261 ~insert_spaces_instead_of_tabs:true ~tab_width:2
262 ~right_margin_position:80 ~show_right_margin:true
263 ~smart_home_end:`AFTER
264 ~packing:parent#add_with_viewport
266 let buffer = source_view#buffer in
267 let source_buffer = source_view#source_buffer 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 empty_lstatus = new GrafiteDisambiguate.status in
274 NCicLibrary.time_travel
275 ((new GrafiteTypes.status current#baseuri)#set_disambiguate_db current#disambiguate_db);
276 (* CSC: there is a known bug in invalidation; temporary fix here *)
277 NCicEnvironment.invalidate ()
279 let lexicon_status = empty_lstatus in
280 let grafite_status = (new GrafiteTypes.status baseuri)#set_disambiguate_db lexicon_status#disambiguate_db in
283 let read_include_paths file =
285 let root, _buri, _fname, _tgt =
286 Librarian.baseuri_of_script ~include_paths:[] file in
289 Str.split (Str.regexp " ")
290 (List.assoc "include_paths" (Librarian.load_root_file (root^"/root")))
293 let rc = root :: includes in
294 List.iter (HLog.debug) rc; rc
295 with Librarian.NoRootFor _ | Librarian.FileNotFound _ ->
298 let default_buri = "cic:/matita/tests" in
299 let default_fname = ".unnamed.ma" in
301 val mutable include_paths_ = []
302 val clipboard = GData.clipboard Gdk.Atom.clipboard
303 (*val primary = GData.clipboard Gdk.Atom.primary*)
304 val mutable similarsymbols = []
305 val mutable similarsymbols_orig = []
306 val similar_memory = Hashtbl.create 97
307 val mutable old_used_memory = false
309 val scriptId = fresh_script_id ()
312 urichooser = urichooser source_view;
313 ask_confirmation = ask_confirmation;
316 val mutable filename_ = (None : string option)
318 method has_name = filename_ <> None
320 method source_view = source_view
322 method include_paths =
324 Helm_registry.get_list Helm_registry.string "matita.includes"
326 method private curdir =
328 let root, _buri, _fname, _tgt =
329 Librarian.baseuri_of_script ~include_paths:self#include_paths
333 with Librarian.NoRootFor _ -> Sys.getcwd ()
335 method buri_of_current_file =
337 | None -> default_buri
340 let _root, buri, _fname, _tgt =
341 Librarian.baseuri_of_script ~include_paths:self#include_paths f
344 with Librarian.NoRootFor _ | Librarian.FileNotFound _ -> default_buri
346 method filename = match filename_ with None -> default_fname | Some f -> f
350 (source_view#source_buffer#begin_not_undoable_action ();
353 source_view#source_buffer#end_not_undoable_action ());
354 MatitaMisc.observe_font_size (fun font_size ->
355 source_view#misc#modify_font_by_name
356 (sprintf "%s %d" BuildTimeConf.script_font font_size));
357 source_view#misc#grab_focus ();
358 ignore(source_view#source_buffer#set_language
359 (Some MatitaGtkMisc.matita_lang));
360 ignore(source_view#source_buffer#set_highlight_syntax true);
361 ignore(source_view#connect#after#paste_clipboard
362 ~callback:(fun () -> self#clean_dirty_lock));
363 ignore (GMain.Timeout.add ~ms:300000
364 ~callback:(fun _ -> self#_saveToBackupFile ();true));
365 ignore (buffer#connect#modified_changed
366 (fun _ -> self#set_star buffer#modified));
367 (* clean_locked is set to true only "during" a PRIMARY paste
368 operation (i.e. by clicking with the second mouse button) *)
369 let clean_locked = ref false in
370 ignore(source_view#event#connect#button_press
373 if GdkEvent.Button.button button = 2 then
374 clean_locked := true;
377 ignore(source_view#event#connect#button_release
378 ~callback:(fun button -> clean_locked := false; false));
379 ignore(source_view#buffer#connect#after#apply_tag
381 fun tag ~start:_ ~stop:_ ->
383 tag#get_oid = self#locked_tag#get_oid
386 clean_locked := false;
387 self#clean_dirty_lock;
390 ignore(source_view#source_buffer#connect#after#insert_text
391 ~callback:(fun iter str ->
392 if (MatitaMisc.get_gui ())#main#menuitemAutoAltL#active && (str = " " || str = "\n") then
393 ignore(self#expand_virtual_if_any iter str)));
394 ignore(source_view#connect#after#populate_popup
395 ~callback:(fun pre_menu ->
396 let menu = new GMenu.menu pre_menu in
397 let menuItems = menu#children in
398 let undoMenuItem, redoMenuItem =
400 [undo;redo;sep1;cut;copy;paste;delete;sep2;
401 selectall;sep3;inputmethod;insertunicodecharacter] ->
402 List.iter menu#remove [ copy; cut; delete; paste ];
404 | _ -> assert false in
406 let i = ref 2 in (* last occupied position *)
407 fun ?label ?stock () ->
409 GMenu.image_menu_item ?label ?stock ~packing:(menu#insert ~pos:!i)
412 let copy = add_menu_item ~stock:`COPY () in
413 let cut = add_menu_item ~stock:`CUT () in
414 let delete = add_menu_item ~stock:`DELETE () in
415 let paste = add_menu_item ~stock:`PASTE () in
416 let paste_pattern = add_menu_item ~label:"Paste as pattern" () in
417 copy#misc#set_sensitive self#canCopy;
418 cut#misc#set_sensitive self#canCut;
419 delete#misc#set_sensitive self#canDelete;
420 paste#misc#set_sensitive self#canPaste;
421 paste_pattern#misc#set_sensitive self#canPastePattern;
422 MatitaGtkMisc.connect_menu_item copy self#copy;
423 MatitaGtkMisc.connect_menu_item cut self#cut;
424 MatitaGtkMisc.connect_menu_item delete self#delete;
425 MatitaGtkMisc.connect_menu_item paste self#paste;
426 MatitaGtkMisc.connect_menu_item paste_pattern self#pastePattern;
427 let new_undoMenuItem =
428 GMenu.image_menu_item
429 ~image:(GMisc.image ~stock:`UNDO ())
432 ~packing:(menu#insert ~pos:0) () in
433 new_undoMenuItem#misc#set_sensitive
434 (undoMenuItem#misc#get_flag `SENSITIVE);
435 menu#remove (undoMenuItem :> GMenu.menu_item);
436 MatitaGtkMisc.connect_menu_item new_undoMenuItem
437 (fun () -> self#safe_undo);
438 let new_redoMenuItem =
439 GMenu.image_menu_item
440 ~image:(GMisc.image ~stock:`REDO ())
443 ~packing:(menu#insert ~pos:1) () in
444 new_redoMenuItem#misc#set_sensitive
445 (redoMenuItem#misc#get_flag `SENSITIVE);
446 menu#remove (redoMenuItem :> GMenu.menu_item);
447 MatitaGtkMisc.connect_menu_item new_redoMenuItem
448 (fun () -> self#safe_redo)));
450 val mutable statements = [] (** executed statements *)
452 val mutable history = [ initial_statuses None default_buri ]
453 (** list of states before having executed statements. Head element of this
454 * list is the current state, last element is the state at the beginning of
456 * Invariant: this list length is 1 + length of statements *)
458 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
459 val mutable userGoal = (None : int option)
461 (** text mark and tag representing locked part of a script *)
463 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
464 val beginning_of_statement_mark =
465 buffer#create_mark ~name:"beginning_of_statement"
466 ~left_gravity:true buffer#start_iter
467 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
468 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
470 (** unicode handling *)
471 method nextSimilarSymbol =
472 let write_similarsymbol s =
473 let s = Glib.Utf8.from_unichar s in
474 let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
475 assert(Glib.Utf8.validate s);
476 source_view#source_buffer#delete ~start:iter ~stop:(iter#copy#backward_chars 1);
477 source_view#source_buffer#insert ~iter:(source_view#source_buffer#get_iter_at_mark `INSERT) s;
478 (try source_view#source_buffer#delete_mark similarsymbols_tag
479 with GText.No_such_mark _ -> ());
480 ignore(source_view#source_buffer#create_mark ~name:similarsymbols_tag_name
481 (source_view#source_buffer#get_iter_at_mark `INSERT));
483 let new_similarsymbol =
485 let iter_ins = source_view#source_buffer#get_iter_at_mark `INSERT in
486 let iter_lig = source_view#source_buffer#get_iter_at_mark similarsymbols_tag in
487 not (iter_ins#equal iter_lig)
488 with GText.No_such_mark _ -> true
490 if new_similarsymbol then
491 (if not(self#expand_virtual_if_any (source_view#source_buffer#get_iter_at_mark `INSERT) "")then
493 let i = source_view#source_buffer#get_iter_at_mark `INSERT in
494 Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
496 (match Virtuals.similar_symbols last_symbol with
499 similarsymbols_orig <- eqclass;
501 try Hashtbl.find similar_memory similarsymbols_orig
503 let is_used = List.map (fun x -> x,false) eqclass in
504 Hashtbl.add similar_memory eqclass is_used;
509 List.partition (fun s -> List.assoc s is_used) eqclass
511 match used @ unused with a::b::c -> a,b,c | _ -> assert false
514 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
516 old_used_memory <- List.assoc hd is_used;
518 (hd,true) :: List.filter (fun (x,_) -> x <> hd) is_used
520 Hashtbl.replace similar_memory similarsymbols_orig is_used;
521 write_similarsymbol hd;
522 similarsymbols <- tl @ [ hd ]))
524 match similarsymbols with
527 let is_used = Hashtbl.find similar_memory similarsymbols_orig in
528 let last = HExtlib.list_last tl in
529 let old_used_for_last = old_used_memory in
530 old_used_memory <- List.assoc hd is_used;
532 (hd, true) :: (last,old_used_for_last) ::
533 List.filter (fun (x,_) -> x <> last && x <> hd) is_used
535 Hashtbl.replace similar_memory similarsymbols_orig is_used;
536 similarsymbols <- tl @ [ hd ];
537 write_similarsymbol hd
539 method private reset_similarsymbols =
540 similarsymbols <- [];
541 similarsymbols_orig <- [];
542 try source_view#source_buffer#delete_mark similarsymbols_tag
543 with GText.No_such_mark _ -> ()
545 method private expand_virtual_if_any iter tok =
547 let len = MatitaGtkMisc.utf8_string_length tok in
549 let prev = iter#copy#backward_chars len in
550 prev#get_slice ~stop:(prev#copy#backward_find_char
551 (fun x -> Glib.Unichar.isspace x || x = Glib.Utf8.first_char "\\"))
553 let inplaceof, symb = Virtuals.symbol_of_virtual last_word in
554 self#reset_similarsymbols;
555 let s = Glib.Utf8.from_unichar symb in
556 assert(Glib.Utf8.validate s);
557 source_view#source_buffer#delete ~start:iter
558 ~stop:(iter#copy#backward_chars
559 (MatitaGtkMisc.utf8_string_length inplaceof + len));
560 source_view#source_buffer#insert ~iter
561 (if inplaceof.[0] = '\\' then s else (s ^ tok));
563 with Virtuals.Not_a_virtual -> false
565 (** selections / clipboards handling *)
567 method markupSelected = MatitaMathView.has_selection ()
568 method private textSelected =
569 (source_view#source_buffer#get_iter_at_mark `INSERT)#compare
570 (source_view#source_buffer#get_iter_at_mark `SEL_BOUND) <> 0
571 method private markupStored = MatitaMathView.has_clipboard ()
572 method private textStored = clipboard#text <> None
573 method canCopy = self#textSelected
574 method canCut = self#textSelected
575 method canDelete = self#textSelected
576 (*CSC: WRONG CODE: we should look in the clipboard instead! *)
577 method canPaste = self#markupStored || self#textStored
578 method canPastePattern = self#markupStored
581 (* phase 1: we save the actual status of the marks and we undo *)
582 let locked_mark = `MARK (self#locked_mark) in
583 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
584 let locked_iter_offset = locked_iter#offset in
587 (source_view#buffer#create_mark ~name:"lock_point"
588 ~left_gravity:true locked_iter) in
589 source_view#source_buffer#undo ();
590 (* phase 2: we save the cursor position and we redo, restoring
591 the previous status of all the marks *)
592 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
595 (source_view#buffer#create_mark ~name:"undo_point"
596 ~left_gravity:true cursor_iter)
598 source_view#source_buffer#redo ();
599 let mark_iter = source_view#buffer#get_iter_at_mark mark in
600 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
601 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
602 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
603 source_view#buffer#delete_mark mark;
604 source_view#buffer#delete_mark mark2;
605 (* phase 3: if after the undo the cursor was in the locked area,
606 then we move it there again and we perform a goto *)
607 if mark_iter#offset < locked_iter_offset then
609 source_view#buffer#move_mark `INSERT ~where:mark_iter;
610 self#goto `Cursor ();
612 (* phase 4: we perform again the undo. This time we are sure that
613 the text to undo is not locked *)
614 source_view#source_buffer#undo ();
615 source_view#misc#grab_focus ()
618 (* phase 1: we save the actual status of the marks, we redo and
620 let locked_mark = `MARK (self#locked_mark) in
621 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
622 let locked_iter_offset = locked_iter#offset in
625 (source_view#buffer#create_mark ~name:"lock_point"
626 ~left_gravity:true locked_iter) in
627 source_view#source_buffer#redo ();
628 source_view#source_buffer#undo ();
629 (* phase 2: we save the cursor position and we restore
630 the previous status of all the marks *)
631 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
634 (source_view#buffer#create_mark ~name:"undo_point"
635 ~left_gravity:true cursor_iter)
637 let mark_iter = source_view#buffer#get_iter_at_mark mark in
638 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
639 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
640 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
641 source_view#buffer#delete_mark mark;
642 source_view#buffer#delete_mark mark2;
643 (* phase 3: if after the undo the cursor is in the locked area,
644 then we move it there again and we perform a goto *)
645 if mark_iter#offset < locked_iter_offset then
647 source_view#buffer#move_mark `INSERT ~where:mark_iter;
648 self#goto `Cursor ();
650 (* phase 4: we perform again the redo. This time we are sure that
651 the text to redo is not locked *)
652 source_view#source_buffer#redo ();
653 source_view#misc#grab_focus ()
659 MatitaMathView.empty_clipboard ();
660 source_view#buffer#copy_clipboard clipboard;
662 MatitaMathView.copy_selection ()
665 source_view#buffer#cut_clipboard clipboard;
666 MatitaMathView.empty_clipboard ()
669 ignore (source_view#buffer#delete_selection ())
672 if MatitaMathView.has_clipboard ()
673 then source_view#buffer#insert (MatitaMathView.paste_clipboard `Term)
674 else source_view#buffer#paste_clipboard clipboard;
675 self#clean_dirty_lock
677 method pastePattern () =
678 source_view#buffer#insert (MatitaMathView.paste_clipboard `Pattern)
680 method locked_mark = locked_mark
681 method locked_tag = locked_tag
682 method error_tag = error_tag
684 (* history can't be empty, the invariant above grant that it contains at
685 * least the init grafite_status *)
686 method grafite_status = match history with s::_ -> s | _ -> assert false
688 method private _advance ?statement () =
689 let s = match statement with Some s -> s | None -> self#getFuture in
690 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
691 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
692 let time1 = Unix.gettimeofday () in
693 let entries, newtext, parsed_len =
695 eval_statement self#include_paths buffer guistuff
696 self#grafite_status userGoal self (`Raw s)
697 with End_of_file -> raise Margin
699 let time2 = Unix.gettimeofday () in
700 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
701 let new_statuses, new_statements =
702 let statuses, texts = List.split entries in
705 history <- new_statuses @ history;
706 statements <- new_statements @ statements;
707 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
708 let new_text = String.concat "" (List.rev new_statements) in
709 if statement <> None then
710 buffer#insert ~iter:start new_text
712 let parsed_text = String.sub s 0 parsed_len in
713 if new_text <> parsed_text then begin
714 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
715 buffer#delete ~start ~stop;
716 buffer#insert ~iter:start new_text;
719 self#moveMark (Glib.Utf8.length new_text);
720 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
721 (* here we need to set the Goal in case we are going to cursor (or to
722 bottom) and we will face a macro *)
725 method private _retract offset grafite_status new_statements new_history =
726 NCicLibrary.time_travel grafite_status;
727 statements <- new_statements;
728 history <- new_history;
729 self#moveMark (- offset)
731 method advance ?statement () =
733 self#_advance ?statement ();
736 | Margin -> self#notify
737 | Not_found -> assert false
738 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
739 | exc -> self#notify; raise exc
743 let cmp,new_statements,new_history,grafite_status =
744 match statements,history with
745 stat::statements, _::(status::_ as history) ->
746 assert (Glib.Utf8.validate stat);
747 Glib.Utf8.length stat, statements, history, status
748 | [],[_] -> raise Margin
749 | _,_ -> assert false
751 self#_retract cmp grafite_status new_statements
755 | Margin -> self#notify
756 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
757 | exc -> self#notify; raise exc
759 method private getFuture =
760 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
761 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
764 method expandAllVirtuals =
765 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
766 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
767 buffer#delete ~start:lock ~stop:buffer#end_iter;
768 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
769 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
770 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
772 Pcre.substitute_substrings
774 let pristine = Pcre.get_substring str 0 in
776 if pristine.[0] = ' ' then
777 String.sub pristine 1 (String.length pristine -1)
781 if input.[String.length input-1] = ' ' then
782 String.sub input 0 (String.length input -1)
786 if input = "\\forall" ||
787 input = "\\lambda" ||
788 input = "\\exists" then "","" else " ", " "
791 before ^ Glib.Utf8.from_unichar
792 (snd (Virtuals.symbol_of_virtual input)) ^ after
793 with Virtuals.Not_a_virtual -> pristine)
794 ~pat:" ?\\\\[a-zA-Z]+ ?" text
796 buffer#insert ~iter:lock text
798 (** @param rel_offset relative offset from current position of locked_mark *)
799 method private moveMark rel_offset =
800 let mark = `MARK locked_mark in
801 let old_insert = buffer#get_iter_at_mark `INSERT in
802 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
803 let current_mark_pos = buffer#get_iter_at_mark mark in
805 match rel_offset with
806 | 0 -> current_mark_pos
807 | n when n > 0 -> current_mark_pos#forward_chars n
808 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
810 buffer#move_mark mark ~where:new_mark_pos;
811 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
812 buffer#move_mark `INSERT old_insert;
813 let mark_position = buffer#get_iter_at_mark mark in
814 if source_view#move_mark_onscreen mark then
816 buffer#move_mark mark mark_position;
817 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
819 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
821 method clean_dirty_lock =
822 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
823 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
824 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
826 val mutable observers = []
828 method addObserver (o: GrafiteTypes.status -> unit) =
829 observers <- o :: observers
831 method private notify =
832 let grafite_status = self#grafite_status in
833 List.iter (fun o -> o grafite_status) observers
838 method loadFromFile f =
839 buffer#set_text (HExtlib.input_file f);
841 buffer#set_modified false
843 method assignFileName file =
846 tab_label#set_text default_fname;
848 include_paths_ <- [];
851 let f = Librarian.absolutize file in
852 tab_label#set_text (Filename.basename f);
854 include_paths_ <- read_include_paths f;
858 tab_label#set_text ((if b then "*" else "")^Filename.basename self#filename);
859 tab_label#misc#set_tooltip_text
860 ("URI: " ^ self#buri_of_current_file ^ "\nPATH: " ^ self#filename);
862 method saveToFile () =
863 if self#has_name then
864 let oc = open_out self#filename in
865 output_string oc (buffer#get_text ~start:buffer#start_iter
866 ~stop:buffer#end_iter ());
869 buffer#set_modified false
871 HLog.error "Can't save, no filename selected"
873 method private _saveToBackupFile () =
874 if buffer#modified then
876 let f = self#filename in
877 let oc = open_out f in
878 output_string oc (buffer#get_text ~start:buffer#start_iter
879 ~stop:buffer#end_iter ());
881 HLog.debug ("backup " ^ f ^ " saved")
884 method private reset_buffer =
886 history <- [ initial_statuses (Some self#grafite_status) self#buri_of_current_file ];
889 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
890 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
894 source_buffer#begin_not_undoable_action ();
895 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
896 source_buffer#end_not_undoable_action ();
897 buffer#set_modified false;
900 let template = HExtlib.input_file BuildTimeConf.script_template in
901 buffer#insert ~iter:(buffer#get_iter `START) template;
902 buffer#set_modified false;
905 method goto (pos: [`Top | `Bottom | `Cursor]) () =
907 let old_locked_mark =
909 (buffer#create_mark ~name:"old_locked_mark"
910 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
911 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
912 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
913 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
916 dispose_old_locked_mark ();
923 let newpos = getpos () in
924 if (getoldpos ())#compare newpos < 0 then
926 buffer#move_mark old_locked_mark newpos;
931 dispose_old_locked_mark ();
934 | Margin -> dispose_old_locked_mark (); self#notify
935 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
937 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
938 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
941 (buffer#create_mark ~name:"initial_insert"
942 ~left_gravity:true (cursor_iter ())) in
943 let dispose_remember () = buffer#delete_mark remember in
944 let remember_iter () =
945 buffer#get_iter_at_mark (`NAME "initial_insert") in
946 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
948 let forward_until_cursor () = (* go forward until locked > cursor *)
951 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
954 buffer#move_mark old_locked_mark (getpos ());
960 let rec back_until_cursor len = (* go backward until locked < cursor *)
962 statements, ((grafite_status)::_ as history)
964 self#_retract (icmp - len) grafite_status statements
966 | statement::tl1, _::tl2 ->
967 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
968 | _,_ -> assert false
972 if icmp < 0 then (* locked < cursor *)
973 (forward_until_cursor (); self#notify)
974 else if icmp > 0 then (* locked > cursor *)
975 (back_until_cursor icmp (statements,history); self#notify)
976 else (* cursor = locked *)
980 dispose_old_locked_mark ();
982 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
983 | exc -> dispose_remember (); dispose_old_locked_mark ();
984 self#notify; raise exc)
985 with Invalid_argument "Array.make" ->
986 HLog.error "The script is too big!\n"
988 method stack = (assert false : Continuationals.Stack.t) (* MATITA 1.0 GrafiteTypes.get_stack
989 self#grafite_status *)
990 method setGoal n = userGoal <- n
991 method goal = userGoal
999 let rec is_there_only_comments lexicon_status s =
1000 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
1002 GrafiteParser.parsable_statement lexicon_status
1003 (Ulexing.from_utf8_string s)in
1004 match GrafiteParser.parse_statement lexicon_status strm with
1005 | GrafiteAst.Comment (loc,_) ->
1006 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
1007 (* CSC: why +1 in the following lines ???? *)
1008 let parsed_text_length = parsed_text_length + 1 in
1009 let remain_len = String.length s - parsed_text_length in
1010 let next = String.sub s parsed_text_length remain_len in
1011 is_there_only_comments lexicon_status next
1012 | GrafiteAst.Executable _ -> false
1014 try is_there_only_comments self#grafite_status self#getFuture
1016 | NCicLibrary.IncludedFileNotCompiled _
1017 | HExtlib.Localized _
1018 | CicNotationParser.Parse_error _ -> false
1019 | Margin | End_of_file -> true
1020 | Invalid_argument "Array.make" -> false
1024 HLog.debug "script status:";
1025 HLog.debug ("history size: " ^ string_of_int (List.length history));
1026 HLog.debug (sprintf "%d statements:" (List.length statements));
1027 List.iter HLog.debug statements;
1028 HLog.debug ("Current file name: " ^ self#filename);
1030 method has_parent (p : GObj.widget) = parent#coerce#misc#get_oid = p#misc#get_oid
1033 let _script = ref []
1035 let script ~urichooser ~ask_confirmation ~parent ~tab_label ()
1037 let s = new script ~ask_confirmation ~urichooser ~parent ~tab_label () in
1038 _script := s::!_script;
1042 let notebook = (MatitaMisc.get_gui ())#main#scriptNotebook in
1043 let parent = notebook#get_nth_page page in
1045 List.find (fun s -> s#has_parent parent) !_script
1047 Not_found -> assert false
1051 at_page ((MatitaMisc.get_gui ())#main#scriptNotebook#current_page)
1053 let iter_scripts f = List.iter f !_script;;
1056 CicMathView.register_matita_script_current (current :> unit -> < advance: ?statement:string -> unit -> unit; grafite_status: GrafiteTypes.status; setGoal: int option -> unit >)