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"
51 if Pcre.pmatch ~rex:multiline_RE str then
52 "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)"
54 "\n(**\n" ^ str ^ "\n*)"
57 let s = Pcre.replace ~rex:heading_nl_RE s in
59 let nl_pos = String.index s '\n' in
63 (** creates a statement AST for the Goal tactic, e.g. "goal 7" *)
65 let module A = GrafiteAst in
66 let loc = HExtlib.dummy_floc in
67 A.Executable (loc, A.Tactical (loc,
68 A.Tactic (loc, A.Goal (loc, n)),
72 mathviewer:MatitaTypes.mathViewer;
73 urichooser: UriManager.uri list -> UriManager.uri list;
74 ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL];
75 develcreator: containing:string option -> unit;
76 mutable filenamedata: string option * MatitamakeLib.development option
79 let eval_with_engine guistuff lexicon_status grafite_status user_goal
80 skipped_txt nonskipped_txt st
82 let module TAPp = GrafiteAstPp in
83 let module DTE = DisambiguateTypes.Environment in
84 let module DP = DisambiguatePp in
85 let parsed_text_length =
86 String.length skipped_txt + String.length nonskipped_txt
88 let text = skipped_txt ^ nonskipped_txt in
89 let prefix_len = MatitaGtkMisc.utf8_string_length skipped_txt in
90 let enriched_history_fragment =
91 MatitaEngine.eval_ast ~do_heavy_checks:true
92 lexicon_status grafite_status (text,prefix_len,st)
94 let enriched_history_fragment = List.rev enriched_history_fragment in
98 (fun (acc, to_prepend) (status,alias) ->
100 | None -> (status,to_prepend ^ nonskipped_txt)::acc,""
101 | Some (k,((v,_) as value)) ->
102 let newtxt = DP.pp_environment (DTE.add k value DTE.empty) in
103 (status,to_prepend ^ newtxt ^ "\n")::acc, "")
104 ([],skipped_txt) enriched_history_fragment
106 res,"",parsed_text_length
108 let wrap_with_developments guistuff f arg =
109 let compile_needed_and_go_on lexiconfile d exc =
110 let target = Pcre.replace ~pat:"lexicon$" ~templ:"moo" lexiconfile in
111 let target = Pcre.replace ~pat:"metadata$" ~templ:"moo" target in
113 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
115 if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
120 let do_nothing () = raise (ActionCancelled "Inclusion not performed") in
121 let check_if_file_is_exists f =
122 assert(Pcre.pmatch ~pat:"ma$" f);
123 let pwd = Sys.getcwd () in
124 let f_pwd = pwd ^ "/" ^ f in
125 if not (HExtlib.is_regular f_pwd) then
126 raise (ActionCancelled ("File "^f_pwd^" does not exists!"))
130 ("Internal error: "^f_pwd^" exists but I'm unable to include it!"))
132 let handle_with_devel d lexiconfile mafile exc =
133 let name = MatitamakeLib.name_for_development d in
134 let title = "Unable to include " ^ lexiconfile in
136 mafile ^ " is handled by development <b>" ^ name ^ "</b>.\n\n" ^
137 "<i>Should I compile it and Its dependencies?</i>"
139 (match guistuff.ask_confirmation ~title ~message with
140 | `YES -> compile_needed_and_go_on lexiconfile d exc
142 | `CANCEL -> do_nothing ())
144 let handle_without_devel mafilename exc =
145 let title = "Unable to include " ^ mafilename in
147 mafilename ^ " is <b>not</b> handled by a development.\n" ^
148 "All dependencies are automatically solved for a development.\n\n" ^
149 "<i>Do you want to set up a development?</i>"
151 (match guistuff.ask_confirmation ~title ~message with
153 guistuff.develcreator ~containing:(Some (Filename.dirname mafilename));
156 | `CANCEL -> do_nothing())
161 | DependenciesParser.UnableToInclude mafilename ->
162 assert (Pcre.pmatch ~pat:"ma$" mafilename);
163 check_if_file_is_exists mafilename
164 | LexiconEngine.IncludedFileNotCompiled (xfilename,mafilename)
165 | GrafiteEngine.IncludedFileNotCompiled (xfilename,mafilename) as exn ->
166 assert (Pcre.pmatch ~pat:"ma$" mafilename);
167 assert (Pcre.pmatch ~pat:"lexicon$" xfilename ||
168 Pcre.pmatch ~pat:"mo$" xfilename );
169 (* we know that someone was able to include the .ma, get the baseuri
170 * but was unable to get the compilation output 'xfilename' *)
171 match MatitamakeLib.development_for_dir (Filename.dirname mafilename) with
172 | None -> handle_without_devel mafilename exn
173 | Some d -> handle_with_devel d xfilename mafilename exn
177 guistuff lexicon_status grafite_status user_goal
178 skipped_txt nonskipped_txt st
180 wrap_with_developments guistuff
182 guistuff lexicon_status grafite_status user_goal
183 skipped_txt nonskipped_txt) st
186 let pp_eager_statement_ast =
187 GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
188 ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
190 let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
191 let module TAPp = GrafiteAstPp in
192 let module MQ = MetadataQuery in
193 let module MDB = LibraryDb in
194 let module CTC = CicTypeChecker in
195 let module CU = CicUniv in
196 (* no idea why ocaml wants this *)
197 let parsed_text_length = String.length parsed_text in
198 let dbd = LibraryDb.instance () in
200 let f t = ProofEngineReduction.replace
201 ~equality:(fun _ t -> match t with Cic.Meta _ -> true | _ -> false)
202 ~what:[()] ~with_what:[Cic.Implicit None] ~where:t
204 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
207 ApplyTransformation.txt_of_cic_term max_int metasenv [] (f x))
211 | TA.WMatch (loc, term) ->
212 let l = Whelp.match_term ~dbd term in
213 let entry = `Whelp (pp_macro mac, l) in
214 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
215 [], "", parsed_text_length
216 | TA.WInstance (loc, term) ->
217 let l = Whelp.instance ~dbd term in
218 let entry = `Whelp (pp_macro mac, l) in
219 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
220 [], "", parsed_text_length
221 | TA.WLocate (loc, s) ->
222 let l = Whelp.locate ~dbd s in
223 let entry = `Whelp (pp_macro mac, l) in
224 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
225 [], "", parsed_text_length
226 | TA.WElim (loc, term) ->
229 | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
230 | _ -> failwith "Not a MutInd"
232 let l = Whelp.elim ~dbd uri in
233 let entry = `Whelp (pp_macro mac, l) in
234 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
235 [], "", parsed_text_length
236 | TA.WHint (loc, term) ->
237 let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in
238 let l = List.map fst (MQ.experimental_hint ~dbd s) in
239 let entry = `Whelp (pp_macro mac, l) in
240 guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
241 [], "", parsed_text_length
247 | None -> raise NoUnfinishedProof
249 let proof = GrafiteTypes.get_current_proof grafite_status in
250 let proof_status = proof,user_goal' in
251 let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in
252 let selected = guistuff.urichooser l in
254 | [] -> [], "", parsed_text_length
256 let suri = UriManager.string_of_uri uri in
258 TA.Executable (loc, (TA.Tactical (loc,
260 TA.Apply (loc, CicNotationPt.Uri (suri, None))),
261 Some (TA.Dot loc)))) in
263 comment parsed_text ^ "\n" ^
264 pp_eager_statement_ast (ast HExtlib.dummy_floc) in
265 let text_len = MatitaGtkMisc.utf8_string_length text in
266 let loc = HExtlib.floc_of_loc (0,text_len) in
267 let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
268 let res,_,_parsed_text_len =
269 eval_statement include_paths buffer guistuff lexicon_status
270 grafite_status user_goal script statement
272 (* we need to replace all the parsed_text *)
273 res,"",String.length parsed_text
276 "The result of the urichooser should be only 1 uri, not:\n";
278 fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
281 | TA.Check (_,term) ->
282 let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
286 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
287 let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
288 let t_and_ty = Cic.Cast (term,ty) in
289 guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
290 [], "", parsed_text_length
291 | TA.Inline (_,style,suri,prefix) ->
292 let dbd = LibraryDb.instance () in
295 (Pcre.replace ~rex:(Pcre.regexp "_") ~templ:"\\_" suri) ^ "%" in
297 sprintf ("SELECT source FROM %s WHERE source LIKE \"%s\" UNION "^^
298 "SELECT source FROM %s WHERE source LIKE \"%s\"")
299 (MetadataTypes.name_tbl ()) sql_pat
300 MetadataTypes.library_name_tbl sql_pat in
301 let result = HMysql.exec dbd query in
305 Some s -> UriManager.uri_of_string s
308 prerr_endline "Inizio sorting";
309 let sorted_uris = MetadataDeps.topological_sort ~dbd uris in
310 prerr_endline "Fine sorting";
311 let sorted_uris_without_xpointer =
315 Pcre.replace ~rex:(Pcre.regexp "#xpointer\\(1/1\\)") ~templ:""
316 (UriManager.string_of_uri uri) in
318 ignore (Pcre.exec ~rex:(Pcre.regexp"#xpointer") s);
322 Some (UriManager.uri_of_string s)
329 prerr_endline ("Stampo " ^ UriManager.string_of_uri uri);
331 ObjPp.obj_to_string 78 style prefix (* FG: mi pare meglio 78 *)
332 (fst (CicEnvironment.get_obj CicUniv.empty_ugraph uri))
334 _ (* BRRRRRRRRR *) -> "ERRORE IN STAMPA DI " ^ UriManager.string_of_uri uri
335 ) sorted_uris_without_xpointer)
337 [],declarative,String.length parsed_text
339 and eval_executable include_paths (buffer : GText.buffer) guistuff
340 lexicon_status grafite_status user_goal unparsed_text skipped_txt nonskipped_txt
343 let module TAPp = GrafiteAstPp in
344 let module MD = GrafiteDisambiguator in
345 let module ML = MatitaMisc in
349 | TA.Command (_,TA.Set (_,"baseuri",u)) ->
350 if Http_getter_storage.is_read_only u then
351 raise (ActionCancelled ("baseuri " ^ u ^ " is readonly"));
352 if not (Http_getter_storage.is_empty u) then
354 guistuff.ask_confirmation
355 ~title:"Baseuri redefinition"
357 "Baseuri " ^ u ^ " already exists.\n" ^
358 "Do you want to redefine the corresponding "^
359 "part of the library?")
361 | `YES -> LibraryClean.clean_baseuris [u]
363 | `CANCEL -> raise MatitaTypes.Cancel)
366 ignore (buffer#move_mark (`NAME "beginning_of_statement")
367 ~where:((buffer#get_iter_at_mark (`NAME "locked"))#forward_chars
368 (Glib.Utf8.length skipped_txt))) ;
370 guistuff lexicon_status grafite_status user_goal skipped_txt nonskipped_txt
371 (TA.Executable (loc, ex))
373 MatitaTypes.Cancel -> [], "", 0
374 | GrafiteEngine.Macro (_loc,lazy_macro) ->
378 | Some n -> GrafiteTypes.get_proof_context grafite_status n in
379 let grafite_status,macro = lazy_macro context in
380 eval_macro include_paths buffer guistuff lexicon_status grafite_status
381 user_goal unparsed_text (skipped_txt ^ nonskipped_txt) script macro
383 and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
384 grafite_status user_goal script statement
386 let (lexicon_status,st), unparsed_text =
389 if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
391 wrap_with_developments guistuff
392 (GrafiteParser.parse_statement
393 (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
396 | `Ast (st, text) -> (lexicon_status, st), text
398 let text_of_loc floc =
399 let nonskipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
400 let start, stop = HExtlib.loc_of_floc floc in
401 let floc = HExtlib.floc_of_loc (0, start) in
402 let skipped_txt,_ = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
403 let floc = HExtlib.floc_of_loc (0, stop) in
404 let txt,len = MatitaGtkMisc.utf8_parsed_text unparsed_text floc in
405 txt,nonskipped_txt,skipped_txt,len
408 | GrafiteParser.LNone loc ->
409 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
410 [(grafite_status,lexicon_status),parsed_text],"",
412 | GrafiteParser.LSome (GrafiteAst.Comment (loc, _)) ->
413 let parsed_text, _, _, parsed_text_length = text_of_loc loc in
414 let remain_len = String.length unparsed_text - parsed_text_length in
415 let s = String.sub unparsed_text parsed_text_length remain_len in
418 eval_statement include_paths buffer guistuff lexicon_status
419 grafite_status user_goal script (`Raw s)
421 HExtlib.Localized (floc, exn) ->
422 HExtlib.raise_localized_exception
423 ~offset:(MatitaGtkMisc.utf8_string_length parsed_text) floc exn
424 | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
426 (GrafiteDisambiguator.DisambiguationError
427 (offset+parsed_text_length, errorll))
429 assert (text=""); (* no macros inside comments, please! *)
431 | (statuses,text)::tl ->
432 (statuses,parsed_text ^ text)::tl,"",parsed_text_length + len
434 | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
435 let _, nonskipped, skipped, parsed_text_length =
438 eval_executable include_paths buffer guistuff lexicon_status
439 grafite_status user_goal unparsed_text skipped nonskipped script ex loc
441 let fresh_script_id =
445 class script ~(source_view: GSourceView.source_view)
446 ~(mathviewer: MatitaTypes.mathViewer)
452 let buffer = source_view#buffer in
453 let source_buffer = source_view#source_buffer in
454 let initial_statuses () =
455 (* these include_paths are used only to load the initial notation *)
457 Helm_registry.get_list Helm_registry.string "matita.includes" in
459 CicNotation2.load_notation ~include_paths
460 BuildTimeConf.core_notation_script in
461 let grafite_status = GrafiteSync.init () in
462 grafite_status,lexicon_status
465 val mutable include_paths =
466 Helm_registry.get_list Helm_registry.string "matita.includes"
468 val scriptId = fresh_script_id ()
471 mathviewer = mathviewer;
472 urichooser = urichooser;
473 ask_confirmation = ask_confirmation;
474 develcreator = develcreator;
475 filenamedata = (None, None)}
477 method private getFilename =
478 match guistuff.filenamedata with Some f,_ -> f | _ -> assert false
480 method filename = self#getFilename
482 method private ppFilename =
483 match guistuff.filenamedata with
485 | None,_ -> sprintf ".unnamed%d.ma" scriptId
488 ignore (GMain.Timeout.add ~ms:300000
489 ~callback:(fun _ -> self#_saveToBackupFile ();true));
490 ignore (buffer#connect#modified_changed
491 (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified))
493 val mutable statements = [] (** executed statements *)
495 val mutable history = [ initial_statuses () ]
496 (** list of states before having executed statements. Head element of this
497 * list is the current state, last element is the state at the beginning of
499 * Invariant: this list length is 1 + length of statements *)
501 (** goal as seen by the user (i.e. metano corresponding to current tab) *)
502 val mutable userGoal = None
504 (** text mark and tag representing locked part of a script *)
506 buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter
507 val beginning_of_statement_mark =
508 buffer#create_mark ~name:"beginning_of_statement"
509 ~left_gravity:true buffer#start_iter
510 val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false]
511 val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"]
513 method locked_mark = locked_mark
514 method locked_tag = locked_tag
515 method error_tag = error_tag
517 (* history can't be empty, the invariant above grant that it contains at
518 * least the init grafite_status *)
519 method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
520 method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
522 method private _advance ?statement () =
523 let s = match statement with Some s -> s | None -> self#getFuture in
524 HLog.debug ("evaluating: " ^ first_line s ^ " ...");
525 let entries, newtext, parsed_len =
527 eval_statement include_paths buffer guistuff self#lexicon_status
528 self#grafite_status userGoal self (`Raw s)
529 with End_of_file -> raise Margin
531 let new_statuses, new_statements =
532 let statuses, texts = List.split entries in
535 history <- new_statuses @ history;
536 statements <- new_statements @ statements;
537 let start = buffer#get_iter_at_mark (`MARK locked_mark) in
538 let new_text = String.concat "" (List.rev new_statements) in
539 if statement <> None then
540 buffer#insert ~iter:start new_text
542 let parsed_text = String.sub s 0 parsed_len in
543 if new_text <> parsed_text then begin
544 let stop = start#copy#forward_chars (Glib.Utf8.length parsed_text) in
545 buffer#delete ~start ~stop;
546 buffer#insert ~iter:start new_text;
549 self#moveMark (Glib.Utf8.length new_text);
550 buffer#insert ~iter:(buffer#get_iter_at_mark (`MARK locked_mark)) newtext;
551 (* here we need to set the Goal in case we are going to cursor (or to
552 bottom) and we will face a macro *)
553 match self#grafite_status.proof_status with
554 Incomplete_proof p ->
556 (try Some (Continuationals.Stack.find_goal p.stack)
557 with Failure _ -> None)
558 | _ -> userGoal <- None
560 method private _retract offset lexicon_status grafite_status new_statements
563 let cur_grafite_status,cur_lexicon_status =
564 match history with s::_ -> s | [] -> assert false
566 LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
567 GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
568 statements <- new_statements;
569 history <- new_history;
570 self#moveMark (- offset)
572 method advance ?statement () =
574 self#_advance ?statement ();
577 | Margin -> self#notify
578 | Not_found -> assert false
579 | exc -> self#notify; raise exc
583 let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
584 match statements,history with
585 stat::statements, _::(status::_ as history) ->
586 assert (Glib.Utf8.validate stat);
587 Glib.Utf8.length stat, statements, history, status
588 | [],[_] -> raise Margin
589 | _,_ -> assert false
591 self#_retract cmp lexicon_status grafite_status new_statements
595 | Margin -> self#notify
596 | exc -> self#notify; raise exc
598 method private getFuture =
599 buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
600 ~stop:buffer#end_iter ()
603 (** @param rel_offset relative offset from current position of locked_mark *)
604 method private moveMark rel_offset =
605 let mark = `MARK locked_mark in
606 let old_insert = buffer#get_iter_at_mark `INSERT in
607 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
608 let current_mark_pos = buffer#get_iter_at_mark mark in
610 match rel_offset with
611 | 0 -> current_mark_pos
612 | n when n > 0 -> current_mark_pos#forward_chars n
613 | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
615 buffer#move_mark mark ~where:new_mark_pos;
616 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
617 buffer#move_mark `INSERT old_insert;
618 let mark_position = buffer#get_iter_at_mark mark in
619 if source_view#move_mark_onscreen mark then
621 buffer#move_mark mark mark_position;
622 source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
624 while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
626 method clean_dirty_lock =
627 let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
628 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
629 buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
631 val mutable observers = []
633 method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
634 observers <- o :: observers
636 method private notify =
637 let lexicon_status = self#lexicon_status in
638 let grafite_status = self#grafite_status in
639 List.iter (fun o -> o lexicon_status grafite_status) observers
641 method loadFromString s =
644 buffer#set_modified true
646 method loadFromFile f =
647 buffer#set_text (HExtlib.input_file f);
649 buffer#set_modified false
651 method assignFileName file =
652 let abspath = MatitaMisc.absolute_path file in
653 let dirname = Filename.dirname abspath in
654 let devel = MatitamakeLib.development_for_dir dirname in
655 guistuff.filenamedata <- Some abspath, devel;
657 match MatitamakeLib.development_for_dir dirname with
659 | Some devel -> [MatitamakeLib.root_for_development devel] in
661 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
663 include_paths <- include_
665 method saveToFile () =
666 let oc = open_out self#getFilename in
667 output_string oc (buffer#get_text ~start:buffer#start_iter
668 ~stop:buffer#end_iter ());
670 buffer#set_modified false
672 method private _saveToBackupFile () =
673 if buffer#modified then
675 let f = self#ppFilename ^ "~" in
676 let oc = open_out f in
677 output_string oc (buffer#get_text ~start:buffer#start_iter
678 ~stop:buffer#end_iter ());
680 HLog.debug ("backup " ^ f ^ " saved")
683 method private goto_top =
684 let grafite_status,lexicon_status =
685 let rec last x = function
687 | hd::tl -> last hd tl
689 last (self#grafite_status,self#lexicon_status) history
691 (* FIXME: this is not correct since there is no undo for
692 * library_objects.set_default... *)
693 GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
694 LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
696 method private reset_buffer =
698 history <- [ initial_statuses () ];
701 buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
702 buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
706 source_buffer#begin_not_undoable_action ();
707 buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
708 source_buffer#end_not_undoable_action ();
709 buffer#set_modified false;
712 let template = HExtlib.input_file BuildTimeConf.script_template in
713 buffer#insert ~iter:(buffer#get_iter `START) template;
714 let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
715 guistuff.filenamedata <- (None,development);
717 match development with
719 | Some devel -> [MatitamakeLib.root_for_development devel ]
722 include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
724 include_paths <- include_ ;
725 buffer#set_modified false;
726 set_star (Filename.basename self#ppFilename) false
728 method goto (pos: [`Top | `Bottom | `Cursor]) () =
729 let old_locked_mark =
731 (buffer#create_mark ~name:"old_locked_mark"
732 ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
733 let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
734 let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
735 let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
738 dispose_old_locked_mark ();
746 let newpos = getpos () in
747 if (getoldpos ())#compare newpos < 0 then
749 buffer#move_mark old_locked_mark newpos;
754 dispose_old_locked_mark ();
757 | Margin -> dispose_old_locked_mark (); self#notify
758 | exc -> dispose_old_locked_mark (); self#notify; raise exc)
760 let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
761 let cursor_iter () = buffer#get_iter_at_mark `INSERT in
764 (buffer#create_mark ~name:"initial_insert"
765 ~left_gravity:true (cursor_iter ())) in
766 let dispose_remember () = buffer#delete_mark remember in
767 let remember_iter () =
768 buffer#get_iter_at_mark (`NAME "initial_insert") in
769 let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
771 let forward_until_cursor () = (* go forward until locked > cursor *)
774 if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
777 buffer#move_mark old_locked_mark (getpos ());
783 let rec back_until_cursor len = (* go backward until locked < cursor *)
785 statements, ((grafite_status,lexicon_status)::_ as history)
787 self#_retract (icmp - len) lexicon_status grafite_status statements
789 | statement::tl1, _::tl2 ->
790 back_until_cursor (len - MatitaGtkMisc.utf8_string_length statement) (tl1,tl2)
791 | _,_ -> assert false
795 if icmp < 0 then (* locked < cursor *)
796 (forward_until_cursor (); self#notify)
797 else if icmp > 0 then (* locked > cursor *)
798 (back_until_cursor icmp (statements,history); self#notify)
799 else (* cursor = locked *)
803 dispose_old_locked_mark ();
805 | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
806 | exc -> dispose_remember (); dispose_old_locked_mark ();
807 self#notify; raise exc)
809 method onGoingProof () =
810 match self#grafite_status.proof_status with
811 | No_proof | Proof _ -> false
812 | Incomplete_proof _ -> true
813 | Intermediate _ -> assert false
815 (* method proofStatus = MatitaTypes.get_proof_status self#status *)
816 method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
818 method proofContext =
821 | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
823 method proofConclusion =
827 GrafiteTypes.get_proof_conclusion self#grafite_status n
829 method stack = GrafiteTypes.get_stack self#grafite_status
830 method setGoal n = userGoal <- n
831 method goal = userGoal
834 let rec is_there_only_comments lexicon_status s =
835 if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
836 let lexicon_status,st =
837 GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
838 ~include_paths lexicon_status
841 | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
842 let _,parsed_text_length = MatitaGtkMisc.utf8_parsed_text s loc in
843 (* CSC: why +1 in the following lines ???? *)
844 let parsed_text_length = parsed_text_length + 1 in
845 prerr_endline ("## " ^ string_of_int parsed_text_length);
846 let remain_len = String.length s - parsed_text_length in
847 let next = String.sub s parsed_text_length remain_len in
848 is_there_only_comments lexicon_status next
849 | GrafiteParser.LNone _
850 | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
853 is_there_only_comments self#lexicon_status self#getFuture
855 | LexiconEngine.IncludedFileNotCompiled _
856 | HExtlib.Localized _
857 | CicNotationParser.Parse_error _ -> false
858 | Margin | End_of_file -> true
862 HLog.debug "script status:";
863 HLog.debug ("history size: " ^ string_of_int (List.length history));
864 HLog.debug (sprintf "%d statements:" (List.length statements));
865 List.iter HLog.debug statements;
866 HLog.debug ("Current file name: " ^
867 (match guistuff.filenamedata with
868 |None,_ -> "[ no name ]"
873 let _script = ref None
875 let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
878 ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
883 let current () = match !_script with None -> assert false | Some s -> s