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
68 let eval_with_engine include_paths status skipped_txt nonskipped_txt st
70 let parsed_text_length =
71 String.length skipped_txt + String.length nonskipped_txt
73 let text = skipped_txt ^ nonskipped_txt in
74 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
75 let enriched_history_fragment =
76 MatitaEngine.eval_ast ~include_paths ~do_heavy_checks:(Helm_registry.get_bool
77 "matita.do_heavy_checks")
78 status (text,prefix_len,st)
80 let enriched_history_fragment = List.rev enriched_history_fragment in
84 (fun (acc, to_prepend) (status,alias) ->
86 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
88 let newtxt = GrafiteAstPp.pp_alias value in
89 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
90 ([],skipped_txt) enriched_history_fragment
92 res,"",parsed_text_length
95 let pp_eager_statement_ast = GrafiteAstPp.pp_statement
97 let eval_nmacro include_paths (buffer : GText.buffer) status unparsed_text parsed_text script mac =
98 let parsed_text_length = String.length parsed_text in
100 | TA.Screenshot (_,name) ->
101 let status = script#status in
102 let _,_,menv,subst,_ = status#obj in
103 let name = Filename.dirname (script#filename) ^ "/" ^ name in
105 let selected = Continuationals.Stack.head_goals status#stack in
106 List.filter (fun x,_ -> List.mem x selected) menv
108 CicMathView.screenshot status sequents menv subst name;
109 [status, parsed_text], "", parsed_text_length
111 let status = script#status in
112 let _,_,menv,subst,_ = status#obj in
114 match Continuationals.Stack.head_goals status#stack with
119 "Many goals focused. Using the context of the first one\n";
121 let _, ctx, _ = NCicUtils.lookup_meta g menv in ctx
122 with NCicUtils.Meta_not_found _ ->
123 HLog.warn "Current goal is closed. Using empty context.";
127 let m, s, status, t =
128 GrafiteDisambiguate.disambiguate_nterm
129 status `XTNone ctx menv subst (parsed_text,parsed_text_length,
130 NotationPt.Cast (t,NotationPt.Implicit `JustOne))
131 (* XXX use the metasenv, if possible *)
133 MatitaMathView.cicBrowser (Some (`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
149 try List.assoc "width" a
152 let trace = "/"^(if int_of_string depth > 1 then depth ^ " width=" ^ width else "")^" by " in
154 match !trace_ref with
158 (HExtlib.filter_map (function
159 | NotationPt.NRef r -> Some (NCicPp.r2s status true r)
163 let rex = Pcre.regexp ~flags:[`MULTILINE] "\\A([\\n\\t\\r ]*).*\\Z" in
164 let nl = Pcre.replace ~rex ~templ:"$1" parsed_text in
165 [s, nl ^ trace ^ thms ^ "/"], "", parsed_text_length
166 | TA.NAutoInteractive (_, (Some _,_)) -> assert false
168 let rec eval_executable include_paths (buffer : GText.buffer)
169 status unparsed_text skipped_txt nonskipped_txt script ex loc
172 ignore (buffer#move_mark (`NAME "beginning_of_statement")
173 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
174 (Glib.Utf8.length skipped_txt))) ;
175 eval_with_engine include_paths status skipped_txt nonskipped_txt
176 (TA.Executable (loc, ex))
178 MatitaTypes.Cancel -> [], "", 0
179 | GrafiteEngine.NMacro (_loc,macro) ->
180 eval_nmacro include_paths buffer status
181 unparsed_text (skipped_txt ^ nonskipped_txt) script macro
184 and eval_statement include_paths (buffer : GText.buffer) status script
187 let st,unparsed_text =
190 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
192 GrafiteParser.parsable_statement status
193 (Ulexing.from_utf8_string text) in
194 let ast = MatitaEngine.get_ast status include_paths strm in
196 | `Ast (st, text) -> st, text
198 let text_of_loc floc =
199 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
200 let start, stop = HExtlib.loc_of_floc floc in
201 let floc = HExtlib.floc_of_loc (0, start) in
202 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
203 let floc = HExtlib.floc_of_loc (0, stop) in
204 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
205 txt,nonskipped_txt,skipped_txt,len
208 | GrafiteAst.Executable (loc, ex) ->
209 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
210 eval_executable include_paths buffer status unparsed_text
211 skipped nonskipped script ex loc
212 | GrafiteAst.Comment (loc, GrafiteAst.Code (_, ex))
213 when Helm_registry.get_bool "matita.execcomments" ->
214 let _, nonskipped, skipped, parsed_text_length = text_of_loc loc in
215 eval_executable include_paths buffer status unparsed_text
216 skipped nonskipped script ex loc
217 | GrafiteAst.Comment (loc, _) ->
218 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
219 let remain_len = String.length unparsed_text - parsed_text_length in
220 let s = String.sub unparsed_text parsed_text_length remain_len in
223 eval_statement include_paths buffer status script (`Raw s)
225 HExtlib.Localized (floc, exn) ->
226 HExtlib.raise_localized_exception
227 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
228 | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
230 (MultiPassDisambiguator.DisambiguationError
231 (offset+parsed_text_length, errorll))
233 assert (text=""); (* no macros inside comments, please! *)
235 | (statuses,text)::tl ->
236 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
239 let fresh_script_id =
243 (** Selection handling
244 * Two clipboards are used: "clipboard" and "primary".
245 * "primary" is used by X, when you hit the middle button mouse is content is
246 * pasted between applications. In Matita this selection always contain the
247 * textual version of the selected term.
248 * "clipboard" is used inside Matita only and support ATM two different targets:
249 * "TERM" and "PATTERN", in the future other targets like "MATHMLCONTENT" may
252 class script ~(parent:GBin.scrolled_window) ~tab_label () =
254 GSourceView2.source_view
256 ~insert_spaces_instead_of_tabs:true ~tab_width:2
257 ~right_margin_position:80 ~show_right_margin:true
258 ~smart_home_end:`AFTER
261 let buffer = source_view#buffer in
262 let source_buffer = source_view#source_buffer in
263 let similarsymbols_tag_name = "similarsymbolos" in
264 let similarsymbols_tag = `NAME similarsymbols_tag_name in
265 let initial_statuses current baseuri =
266 let status = new MatitaEngine.status baseuri in
268 Some current -> NCicLibrary.time_travel status;
270 (* MATITA 1.0: there is a known bug in invalidation; temporary fix here *)
271 NCicEnvironment.invalidate () *)
275 let default_buri = "cic:/matita/tests" in
276 let default_fname = ".unnamed.ma" in
278 val mutable include_paths_ = []
279 val clipboard = GData.clipboard Gdk.Atom.clipboard
280 (*val primary = GData.clipboard Gdk.Atom.primary*)
281 val mutable similarsymbols = []
282 val mutable similarsymbols_orig = []
283 val similar_memory = Hashtbl.create 97
284 val mutable old_used_memory = false
286 val scriptId = fresh_script_id ()
288 val mutable filename_ = (None : string option)
290 method has_name = filename_ <> None
292 method source_view = source_view
294 method include_paths =
296 Helm_registry.get_list Helm_registry.string "matita.includes"
298 method private curdir =
300 let root, _buri, _fname, _tgt =
301 Librarian.baseuri_of_script ~include_paths:self#include_paths
305 with Librarian.NoRootFor _ -> Sys.getcwd ()
307 method buri_of_current_file =
309 | None -> default_buri
312 let _root, buri, _fname, _tgt =
313 Librarian.baseuri_of_script ~include_paths:self#include_paths f
316 with Librarian.NoRootFor _ | Librarian.FileNotFound _ -> default_buri
318 method filename = match filename_ with None -> default_fname | Some f -> f
322 (source_view#source_buffer#begin_not_undoable_action ();
325 source_view#source_buffer#end_not_undoable_action ());
326 MatitaMisc.observe_font_size (fun font_size ->
327 source_view#misc#modify_font_by_name
328 (sprintf "%s %d" BuildTimeConf.script_font font_size));
329 source_view#misc#grab_focus ();
330 ignore(source_view#source_buffer#set_language
331 (Some MatitaGtkMisc.matita_lang));
332 ignore(source_view#source_buffer#set_highlight_syntax true);
333 ignore(source_view#connect#after#paste_clipboard
334 ~callback:(fun () -> self#clean_dirty_lock));
335 ignore (GMain.Timeout.add ~ms:300000
336 ~callback:(fun _ -> self#_saveToBackupFile ();true));
337 ignore (buffer#connect#modified_changed
338 (fun _ -> self#set_star buffer#modified));
339 (* clean_locked is set to true only "during" a PRIMARY paste
340 operation (i.e. by clicking with the second mouse button) *)
341 let clean_locked = ref false in
342 ignore(source_view#event#connect#button_press
345 if GdkEvent.Button.button button = 2 then
346 clean_locked := true;
349 ignore(source_view#event#connect#button_release
350 ~callback:(fun button -> clean_locked := false; false));
351 ignore(source_view#buffer#connect#after#apply_tag
353 fun tag ~start:_ ~stop:_ ->
355 tag#get_oid = self#locked_tag#get_oid
358 clean_locked := false;
359 self#clean_dirty_lock;
362 ignore(source_view#source_buffer#connect#after#insert_text
363 ~callback:(fun iter str ->
364 if (MatitaMisc.get_gui ())#main#menuitemAutoAltL#active && (str = " " || str = "\n") then
365 ignore(self#expand_virtual_if_any iter str)));
366 ignore(source_view#connect#after#populate_popup
367 ~callback:(fun pre_menu ->
368 let menu = new GMenu.menu pre_menu in
369 let menuItems = menu#children in
370 let undoMenuItem, redoMenuItem =
372 [undo;redo;sep1;cut;copy;paste;delete;sep2;
373 selectall;sep3;inputmethod;insertunicodecharacter] ->
374 List.iter menu#remove [ copy; cut; delete; paste ];
376 | _ -> assert false in
378 let i = ref 2 in (* last occupied position *)
379 fun ?label ?stock () ->
381 GMenu.image_menu_item ?label ?stock ~packing:(menu#insert ~pos:!i)
384 let copy = add_menu_item ~stock:`COPY () in
385 let cut = add_menu_item ~stock:`CUT () in
386 let delete = add_menu_item ~stock:`DELETE () in
387 let paste = add_menu_item ~stock:`PASTE () in
388 let paste_pattern = add_menu_item ~label:"Paste as pattern" () in
389 copy#misc#set_sensitive self#canCopy;
390 cut#misc#set_sensitive self#canCut;
391 delete#misc#set_sensitive self#canDelete;
392 paste#misc#set_sensitive self#canPaste;
393 paste_pattern#misc#set_sensitive self#canPastePattern;
394 MatitaGtkMisc.connect_menu_item copy self#copy;
395 MatitaGtkMisc.connect_menu_item cut self#cut;
396 MatitaGtkMisc.connect_menu_item delete self#delete;
397 MatitaGtkMisc.connect_menu_item paste self#paste;
398 MatitaGtkMisc.connect_menu_item paste_pattern self#pastePattern;
399 let new_undoMenuItem =
400 GMenu.image_menu_item
401 ~image:(GMisc.image ~stock:`UNDO ())
404 ~packing:(menu#insert ~pos:0) () in
405 new_undoMenuItem#misc#set_sensitive
406 (undoMenuItem#misc#get_flag `SENSITIVE);
407 menu#remove (undoMenuItem :> GMenu.menu_item);
408 MatitaGtkMisc.connect_menu_item new_undoMenuItem
409 (fun () -> self#safe_undo);
410 let new_redoMenuItem =
411 GMenu.image_menu_item
412 ~image:(GMisc.image ~stock:`REDO ())
415 ~packing:(menu#insert ~pos:1) () in
416 new_redoMenuItem#misc#set_sensitive
417 (redoMenuItem#misc#get_flag `SENSITIVE);
418 menu#remove (redoMenuItem :> GMenu.menu_item);
419 MatitaGtkMisc.connect_menu_item new_redoMenuItem
420 (fun () -> self#safe_redo)));
422 val mutable statements = [] (** executed statements *)
424 val mutable history = [ initial_statuses None default_buri ]
425 (** list of states before having executed statements. Head element of this
426 * list is the current state, last element is the state at the beginning of
428 * Invariant: this list length is 1 + length of statements *)
430 (** text mark and tag representing locked part of a script *)
432 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
433 val beginning_of_statement_mark =
434 buffer#create_mark ~name:"beginning_of_statement"
435 ~left_gravity:true buffer#start_iter
436 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
437 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
439 (** unicode handling *)
440 method nextSimilarSymbol =
441 let write_similarsymbol s =
442 let s = Glib.Utf8.from_unichar s in
443 let iter = source_view#source_buffer#get_iter_at_mark `INSERT in
444 assert(Glib.Utf8.validate s);
445 source_view#source_buffer#delete ~start:iter ~stop:(iter#copy#backward_chars 1);
446 source_view#source_buffer#insert ~iter:(source_view#source_buffer#get_iter_at_mark `INSERT) s;
447 (try source_view#source_buffer#delete_mark similarsymbols_tag
448 with GText.No_such_mark _ -> ());
449 ignore(source_view#source_buffer#create_mark ~name:similarsymbols_tag_name
450 (source_view#source_buffer#get_iter_at_mark `INSERT));
452 let new_similarsymbol =
454 let iter_ins = source_view#source_buffer#get_iter_at_mark `INSERT in
455 let iter_lig = source_view#source_buffer#get_iter_at_mark similarsymbols_tag in
456 not (iter_ins#equal iter_lig)
457 with GText.No_such_mark _ -> true
459 if new_similarsymbol then
460 (if not(self#expand_virtual_if_any (source_view#source_buffer#get_iter_at_mark `INSERT) "")then
462 let i = source_view#source_buffer#get_iter_at_mark `INSERT in
463 Glib.Utf8.first_char (i#get_slice ~stop:(i#copy#backward_chars 1))
465 (match Virtuals.similar_symbols last_symbol with
468 similarsymbols_orig <- eqclass;
470 try Hashtbl.find similar_memory similarsymbols_orig
472 let is_used = List.map (fun x -> x,false) eqclass in
473 Hashtbl.add similar_memory eqclass is_used;
478 List.partition (fun s -> List.assoc s is_used) eqclass
480 match used @ unused with a::b::c -> a,b,c | _ -> assert false
483 if hd = last_symbol then next, tl @ [hd] else hd, (next::tl)
485 old_used_memory <- List.assoc hd is_used;
487 (hd,true) :: List.filter (fun (x,_) -> x <> hd) is_used
489 Hashtbl.replace similar_memory similarsymbols_orig is_used;
490 write_similarsymbol hd;
491 similarsymbols <- tl @ [ hd ]))
493 match similarsymbols with
496 let is_used = Hashtbl.find similar_memory similarsymbols_orig in
497 let last = HExtlib.list_last tl in
498 let old_used_for_last = old_used_memory in
499 old_used_memory <- List.assoc hd is_used;
501 (hd, true) :: (last,old_used_for_last) ::
502 List.filter (fun (x,_) -> x <> last && x <> hd) is_used
504 Hashtbl.replace similar_memory similarsymbols_orig is_used;
505 similarsymbols <- tl @ [ hd ];
506 write_similarsymbol hd
508 method private reset_similarsymbols =
509 similarsymbols <- [];
510 similarsymbols_orig <- [];
511 try source_view#source_buffer#delete_mark similarsymbols_tag
512 with GText.No_such_mark _ -> ()
514 method private expand_virtual_if_any iter tok =
516 let len = MatitaGtkMisc.utf8_string_length tok in
518 let prev = iter#copy#backward_chars len in
519 prev#get_slice ~stop:(prev#copy#backward_find_char
520 (fun x -> Glib.Unichar.isspace x || x = Glib.Utf8.first_char "\\"))
522 let inplaceof, symb = Virtuals.symbol_of_virtual last_word in
523 self#reset_similarsymbols;
524 let s = Glib.Utf8.from_unichar symb in
525 assert(Glib.Utf8.validate s);
526 source_view#source_buffer#delete ~start:iter
527 ~stop:(iter#copy#backward_chars
528 (MatitaGtkMisc.utf8_string_length inplaceof + len));
529 source_view#source_buffer#insert ~iter
530 (if inplaceof.[0] = '\\' then s else (s ^ tok));
532 with Virtuals.Not_a_virtual -> false
534 (** selections / clipboards handling *)
536 method markupSelected = MatitaMathView.has_selection ()
537 method private textSelected =
538 (source_view#source_buffer#get_iter_at_mark `INSERT)#compare
539 (source_view#source_buffer#get_iter_at_mark `SEL_BOUND) <> 0
540 method private markupStored = MatitaMathView.has_clipboard ()
541 method private textStored = clipboard#text <> None
542 method canCopy = self#textSelected
543 method canCut = self#textSelected
544 method canDelete = self#textSelected
545 (*CSC: WRONG CODE: we should look in the clipboard instead! *)
546 method canPaste = self#markupStored || self#textStored
547 method canPastePattern = self#markupStored
550 (* phase 1: we save the actual status of the marks and we undo *)
551 let locked_mark = `MARK (self#locked_mark) in
552 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
553 let locked_iter_offset = locked_iter#offset in
556 (source_view#buffer#create_mark ~name:"lock_point"
557 ~left_gravity:true locked_iter) in
558 source_view#source_buffer#undo ();
559 (* phase 2: we save the cursor position and we redo, restoring
560 the previous status of all the marks *)
561 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
564 (source_view#buffer#create_mark ~name:"undo_point"
565 ~left_gravity:true cursor_iter)
567 source_view#source_buffer#redo ();
568 let mark_iter = source_view#buffer#get_iter_at_mark mark in
569 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
570 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
571 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
572 source_view#buffer#delete_mark mark;
573 source_view#buffer#delete_mark mark2;
574 (* phase 3: if after the undo the cursor was in the locked area,
575 then we move it there again and we perform a goto *)
576 if mark_iter#offset < locked_iter_offset then
578 source_view#buffer#move_mark `INSERT ~where:mark_iter;
579 self#goto `Cursor ();
581 (* phase 4: we perform again the undo. This time we are sure that
582 the text to undo is not locked *)
583 source_view#source_buffer#undo ();
584 source_view#misc#grab_focus ()
587 (* phase 1: we save the actual status of the marks, we redo and
589 let locked_mark = `MARK (self#locked_mark) in
590 let locked_iter = source_view#buffer#get_iter_at_mark locked_mark in
591 let locked_iter_offset = locked_iter#offset in
594 (source_view#buffer#create_mark ~name:"lock_point"
595 ~left_gravity:true locked_iter) in
596 source_view#source_buffer#redo ();
597 source_view#source_buffer#undo ();
598 (* phase 2: we save the cursor position and we restore
599 the previous status of all the marks *)
600 let cursor_iter = source_view#buffer#get_iter_at_mark `INSERT in
603 (source_view#buffer#create_mark ~name:"undo_point"
604 ~left_gravity:true cursor_iter)
606 let mark_iter = source_view#buffer#get_iter_at_mark mark in
607 let mark2_iter = source_view#buffer#get_iter_at_mark mark2 in
608 let mark2_iter = mark2_iter#set_offset locked_iter_offset in
609 source_view#buffer#move_mark locked_mark ~where:mark2_iter;
610 source_view#buffer#delete_mark mark;
611 source_view#buffer#delete_mark mark2;
612 (* phase 3: if after the undo the cursor is in the locked area,
613 then we move it there again and we perform a goto *)
614 if mark_iter#offset < locked_iter_offset then
616 source_view#buffer#move_mark `INSERT ~where:mark_iter;
617 self#goto `Cursor ();
619 (* phase 4: we perform again the redo. This time we are sure that
620 the text to redo is not locked *)
621 source_view#source_buffer#redo ();
622 source_view#misc#grab_focus ()
628 MatitaMathView.empty_clipboard ();
629 source_view#buffer#copy_clipboard clipboard;
631 MatitaMathView.copy_selection ()
634 source_view#buffer#cut_clipboard clipboard;
635 MatitaMathView.empty_clipboard ()
638 ignore (source_view#buffer#delete_selection ())
641 if MatitaMathView.has_clipboard ()
642 then source_view#buffer#insert (MatitaMathView.paste_clipboard `Term)
643 else source_view#buffer#paste_clipboard clipboard;
644 self#clean_dirty_lock
646 method pastePattern () =
647 source_view#buffer#insert (MatitaMathView.paste_clipboard `Pattern)
649 method locked_mark = locked_mark
650 method locked_tag = locked_tag
651 method error_tag = error_tag
653 (* history can't be empty, the invariant above grant that it contains at
654 * least the init grafite_status *)
655 method status = match history with s::_ -> s | _ -> assert false
657 method private _advance ?statement () =
658 let s = match statement with Some s -> s | None -> self#getFuture in
659 if self#bos then LibraryClean.clean_baseuris [self#buri_of_current_file];
660 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
661 let time1 = Unix.gettimeofday () in
662 let entries, newtext, parsed_len =
664 eval_statement self#include_paths buffer self#status self (`Raw s)
665 with End_of_file -> raise Margin
667 let time2 = Unix.gettimeofday () in
668 HLog.debug ("... done in " ^ string_of_float (time2 -. time1) ^ "s");
669 let new_statuses, new_statements =
670 let statuses, texts = List.split entries in
673 history <- new_statuses @ history;
674 statements <- new_statements @ statements;
675 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
676 let new_text = String.concat "" (List.rev new_statements) in
677 if statement <> None then
678 buffer#insert ~iter:start new_text
680 let parsed_text = String.sub s 0 parsed_len in
681 if new_text <> parsed_text then begin
682 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
683 buffer#delete ~start ~stop;
684 buffer#insert ~iter:start new_text;
687 self#moveMark (Glib.Utf8.length new_text);
688 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext
690 method private _retract offset status new_statements new_history =
691 NCicLibrary.time_travel status;
692 statements <- new_statements;
693 history <- new_history;
694 self#moveMark (- offset)
696 method advance ?statement () =
698 self#_advance ?statement ();
701 | Margin -> self#notify
702 | Not_found -> assert false
703 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
704 | exc -> self#notify; raise exc
708 let cmp,new_statements,new_history,status =
709 match statements,history with
710 stat::statements, _::(status::_ as history) ->
711 assert (Glib.Utf8.validate stat);
712 Glib.Utf8.length stat, statements, history, status
713 | [],[_] -> raise Margin
714 | _,_ -> assert false
716 self#_retract cmp status new_statements new_history;
719 | Margin -> self#notify
720 | Invalid_argument "Array.make" -> HLog.error "The script is too big!\n"
721 | exc -> self#notify; raise exc
723 method private getFuture =
724 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
725 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
728 method expandAllVirtuals =
729 let lock = buffer#get_iter_at_mark (`MARK locked_mark) in
730 let text = buffer#get_text ~start:lock ~stop:buffer#end_iter () in
731 buffer#delete ~start:lock ~stop:buffer#end_iter;
732 let text = Pcre.replace ~pat:":=" ~templ:"\\def" text in
733 let text = Pcre.replace ~pat:"->" ~templ:"\\to" text in
734 let text = Pcre.replace ~pat:"=>" ~templ:"\\Rightarrow" text in
736 Pcre.substitute_substrings
738 let pristine = Pcre.get_substring str 0 in
740 if pristine.[0] = ' ' then
741 String.sub pristine 1 (String.length pristine -1)
745 if input.[String.length input-1] = ' ' then
746 String.sub input 0 (String.length input -1)
750 if input = "\\forall" ||
751 input = "\\lambda" ||
752 input = "\\exists" then "","" else " ", " "
755 before ^ Glib.Utf8.from_unichar
756 (snd (Virtuals.symbol_of_virtual input)) ^ after
757 with Virtuals.Not_a_virtual -> pristine)
758 ~pat:" ?\\\\[a-zA-Z]+ ?" text
760 buffer#insert ~iter:lock text
762 (** @param rel_offset relative offset from current position of locked_mark *)
763 method private moveMark rel_offset =
764 let mark = `MARK locked_mark in
765 let old_insert = buffer#get_iter_at_mark `INSERT in
766 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
767 let current_mark_pos = buffer#get_iter_at_mark mark in
769 match rel_offset with
770 | 0 -> current_mark_pos
771 | n when n > 0 -> current_mark_pos#forward_chars n
772 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
774 buffer#move_mark mark ~where:new_mark_pos;
775 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
776 buffer#move_mark `INSERT old_insert;
777 let mark_position = buffer#get_iter_at_mark mark in
778 if source_view#move_mark_onscreen mark then
780 buffer#move_mark mark mark_position;
781 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
783 let time0 = Unix.gettimeofday () in
784 GtkThread.sync (fun () -> while Glib.Main.pending () do ignore(Glib.Main.iteration false); done) ();
785 let time1 = Unix.gettimeofday () in
786 HLog.debug ("... refresh done in " ^ string_of_float (time1 -. time0) ^ "s")
788 method clean_dirty_lock =
789 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
790 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
791 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
793 val mutable observers = []
795 method addObserver (o: GrafiteTypes.status -> unit) =
796 observers <- o :: observers
798 method private notify =
799 let status = self#status in
800 List.iter (fun o -> o status) observers
803 NCicLibrary.replace self#status;
806 method loadFromFile f =
807 buffer#set_text (HExtlib.input_file f);
809 buffer#set_modified false
811 method assignFileName file =
814 tab_label#set_text default_fname;
816 include_paths_ <- [];
819 let f = Librarian.absolutize file in
820 tab_label#set_text (Filename.basename f);
822 include_paths_ <- MatitaEngine.read_include_paths ~include_paths:[] f;
826 tab_label#set_text ((if b then "*" else "")^Filename.basename self#filename);
827 tab_label#misc#set_tooltip_text
828 ("URI: " ^ self#buri_of_current_file ^ "\nPATH: " ^ self#filename);
830 method saveToFile () =
831 if self#has_name then
832 let oc = open_out self#filename in
833 output_string oc (buffer#get_text ~start:buffer#start_iter
834 ~stop:buffer#end_iter ());
837 buffer#set_modified false
839 HLog.error "Can't save, no filename selected"
841 method private _saveToBackupFile () =
842 if buffer#modified then
844 let f = self#filename ^ "~" in
845 let oc = open_out f in
846 output_string oc (buffer#get_text ~start:buffer#start_iter
847 ~stop:buffer#end_iter ());
849 HLog.debug ("backup " ^ f ^ " saved")
852 method private reset_buffer =
854 history <- [ initial_statuses (Some self#status) self#buri_of_current_file ];
856 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
857 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
861 source_buffer#begin_not_undoable_action ();
862 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
863 source_buffer#end_not_undoable_action ();
864 buffer#set_modified false;
867 let template = HExtlib.input_file BuildTimeConf.script_template in
868 buffer#insert ~iter:(buffer#get_iter `START) template;
869 buffer#set_modified false;
872 method goto (pos: [`Top | `Bottom | `Cursor]) () =
874 let old_locked_mark =
876 (buffer#create_mark ~name:"old_locked_mark"
877 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
878 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
879 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
880 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
883 dispose_old_locked_mark ();
890 let newpos = getpos () in
891 if (getoldpos ())#compare newpos < 0 then
893 buffer#move_mark old_locked_mark newpos;
898 dispose_old_locked_mark ();
901 | Margin -> dispose_old_locked_mark (); self#notify
902 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
904 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
905 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
908 (buffer#create_mark ~name:"initial_insert"
909 ~left_gravity:true (cursor_iter ())) in
910 let dispose_remember () = buffer#delete_mark remember in
911 let remember_iter () =
912 buffer#get_iter_at_mark (`NAME "initial_insert") in
913 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
915 let forward_until_cursor () = (* go forward until locked > cursor *)
918 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
921 buffer#move_mark old_locked_mark (getpos ());
927 let rec back_until_cursor len = (* go backward until locked < cursor *)
929 statements, ((status)::_ as history)
931 self#_retract (icmp - len) status statements
933 | statement::tl1, _::tl2 ->
934 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
935 | _,_ -> assert false
939 if icmp < 0 then (* locked < cursor *)
940 (forward_until_cursor (); self#notify)
941 else if icmp > 0 then (* locked > cursor *)
942 (back_until_cursor icmp (statements,history); self#notify)
943 else (* cursor = locked *)
947 dispose_old_locked_mark ();
949 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
950 | exc -> dispose_remember (); dispose_old_locked_mark ();
951 self#notify; raise exc)
952 with Invalid_argument "Array.make" ->
953 HLog.error "The script is too big!\n"
961 let rec is_there_only_comments status s =
962 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
964 GrafiteParser.parsable_statement status
965 (Ulexing.from_utf8_string s)in
966 match GrafiteParser.parse_statement status strm with
967 | GrafiteAst.Comment (loc,_) ->
968 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
969 (* CSC: why +1 in the following lines ???? *)
970 let parsed_text_length = parsed_text_length + 1 in
971 let remain_len = String.length s - parsed_text_length in
972 let next = String.sub s parsed_text_length remain_len in
973 is_there_only_comments status next
974 | GrafiteAst.Executable _ -> false
976 try is_there_only_comments self#status self#getFuture
978 | NCicLibrary.IncludedFileNotCompiled _
979 | HExtlib.Localized _
980 | CicNotationParser.Parse_error _ -> false
981 | Margin | End_of_file -> true
982 | Invalid_argument "Array.make" -> false
986 HLog.debug "script status:";
987 HLog.debug ("history size: " ^ string_of_int (List.length history));
988 HLog.debug (sprintf "%d statements:" (List.length statements));
989 List.iter HLog.debug statements;
990 HLog.debug ("Current file name: " ^ self#filename);
992 method has_parent (p : GObj.widget) = parent#coerce#misc#get_oid = p#misc#get_oid
997 let script ~parent ~tab_label ()
999 let s = new script ~parent ~tab_label () in
1000 _script := s::!_script;
1004 let notebook = (MatitaMisc.get_gui ())#main#scriptNotebook in
1005 let parent = notebook#get_nth_page page in
1007 List.find (fun s -> s#has_parent parent) !_script
1009 Not_found -> assert false
1013 at_page ((MatitaMisc.get_gui ())#main#scriptNotebook#current_page)
1016 let s = at_page page in
1017 _script := List.filter ((<>) s) !_script
1020 let iter_scripts f = List.iter f !_script;;
1023 CicMathView.register_matita_script_current (current :> unit -> < advance: ?statement:string -> unit -> unit; status: GrafiteTypes.status >)