+ (* history can't be empty, the invariant above grant that it contains at
+ * least the init grafite_status *)
+ method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
+ method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
+
+ method private _advance ?statement () =
+ let s = match statement with Some s -> s | None -> self#getFuture in
+ HLog.debug ("evaluating: " ^ first_line s ^ " ...");
+ let (entries, parsed_len) =
+ try
+ eval_statement include_paths buffer guistuff self#lexicon_status
+ self#grafite_status userGoal self (`Raw s)
+ with End_of_file -> raise Margin
+ in
+ let new_statuses, new_statements =
+ let statuses, texts = List.split entries in
+ statuses, texts
+ in
+ history <- new_statuses @ history;
+ statements <- new_statements @ statements;
+ let start = buffer#get_iter_at_mark (`MARK locked_mark) in
+ let new_text = String.concat "" (List.rev new_statements) in
+ if statement <> None then
+ buffer#insert ~iter:start new_text
+ else begin
+ if new_text <> String.sub s 0 parsed_len then begin
+ buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
+ buffer#insert ~iter:start new_text;
+ end;
+ end;
+ self#moveMark (String.length new_text);
+ (* here we need to set the Goal in case we are going to cursor (or to
+ bottom) and we will face a macro *)
+ match self#grafite_status.proof_status with
+ Incomplete_proof p ->
+ userGoal <- Some (Continuationals.Stack.find_goal p.stack)
+ | _ -> userGoal <- None
+
+ method private _retract offset lexicon_status grafite_status new_statements
+ new_history
+ =
+ let cur_grafite_status,cur_lexicon_status =
+ match history with s::_ -> s | [] -> assert false
+ in
+ LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
+ GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
+ statements <- new_statements;
+ history <- new_history;
+ self#moveMark (- offset)
+
+ method advance ?statement () =
+ try
+ self#_advance ?statement ();
+ self#notify
+ with
+ | Margin -> self#notify
+ | exc -> self#notify; raise exc
+
+ method retract () =
+ try
+ let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
+ match statements,history with
+ stat::statements, _::(status::_ as history) ->
+ String.length stat, statements, history, status
+ | [],[_] -> raise Margin
+ | _,_ -> assert false
+ in
+ self#_retract cmp lexicon_status grafite_status new_statements
+ new_history;
+ self#notify
+ with
+ | Margin -> self#notify
+ | exc -> self#notify; raise exc
+
+ method private getFuture =
+ buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
+ ~stop:buffer#end_iter ()
+
+
+ (** @param rel_offset relative offset from current position of locked_mark *)
+ method private moveMark rel_offset =
+ let mark = `MARK locked_mark in
+ let old_insert = buffer#get_iter_at_mark `INSERT in
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ let current_mark_pos = buffer#get_iter_at_mark mark in
+ let new_mark_pos =
+ match rel_offset with
+ | 0 -> current_mark_pos
+ | n when n > 0 -> current_mark_pos#forward_chars n
+ | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
+ in
+ buffer#move_mark mark ~where:new_mark_pos;
+ buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
+ buffer#move_mark `INSERT old_insert;
+ let mark_position = buffer#get_iter_at_mark mark in
+ if source_view#move_mark_onscreen mark then
+ begin
+ buffer#move_mark mark mark_position;
+ source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
+ end;
+ while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
+
+ method clean_dirty_lock =
+ let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
+
+ val mutable observers = []
+
+ method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
+ observers <- o :: observers
+
+ method private notify =
+ let lexicon_status = self#lexicon_status in
+ let grafite_status = self#grafite_status in
+ List.iter (fun o -> o lexicon_status grafite_status) observers
+
+ method loadFromFile f =
+ buffer#set_text (HExtlib.input_file f);
+ self#reset_buffer;
+ buffer#set_modified false
+
+ method assignFileName file =
+ let abspath = MatitaMisc.absolute_path file in
+ let dirname = Filename.dirname abspath in
+ let devel = MatitamakeLib.development_for_dir dirname in
+ guistuff.filenamedata <- Some abspath, devel;
+ let include_ =
+ match MatitamakeLib.development_for_dir dirname with
+ None -> []
+ | Some devel -> [MatitamakeLib.root_for_development devel] in
+ let include_ =
+ include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
+ in
+ include_paths <- include_
+
+ method saveToFile () =
+ let oc = open_out self#getFilename in
+ output_string oc (buffer#get_text ~start:buffer#start_iter
+ ~stop:buffer#end_iter ());
+ close_out oc;
+ buffer#set_modified false
+
+ method private _saveToBackupFile () =
+ if buffer#modified then
+ begin
+ let f = self#ppFilename ^ "~" in
+ let oc = open_out f in
+ output_string oc (buffer#get_text ~start:buffer#start_iter
+ ~stop:buffer#end_iter ());
+ close_out oc;
+ HLog.debug ("backup " ^ f ^ " saved")
+ end
+
+ method private goto_top =
+ let grafite_status,lexicon_status =
+ let rec last x = function
+ | [] -> x
+ | hd::tl -> last hd tl
+ in
+ last (self#grafite_status,self#lexicon_status) history
+ in
+ (* FIXME: this is not correct since there is no undo for
+ * library_objects.set_default... *)
+ GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
+ LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
+
+ method private reset_buffer =
+ statements <- [];
+ history <- [ initial_statuses ];
+ userGoal <- None;
+ self#notify;
+ buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
+ buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
+
+ method reset () =
+ self#reset_buffer;
+ source_buffer#begin_not_undoable_action ();
+ buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
+ source_buffer#end_not_undoable_action ();
+ buffer#set_modified false;
+
+ method template () =
+ let template = HExtlib.input_file BuildTimeConf.script_template in
+ buffer#insert ~iter:(buffer#get_iter `START) template;
+ let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
+ guistuff.filenamedata <- (None,development);
+ let include_ =
+ match development with
+ None -> []
+ | Some devel -> [MatitamakeLib.root_for_development devel ]
+ in
+ let include_ =
+ include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
+ in
+ include_paths <- include_ ;
+ buffer#set_modified false;
+ set_star (Filename.basename self#ppFilename) false
+
+ method goto (pos: [`Top | `Bottom | `Cursor]) () =
+ let old_locked_mark =
+ `MARK
+ (buffer#create_mark ~name:"old_locked_mark"
+ ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
+ let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
+ let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
+ let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
+ match pos with
+ | `Top ->
+ dispose_old_locked_mark ();
+ self#goto_top;
+ self#reset_buffer;
+ self#notify
+ | `Bottom ->
+ (try
+ let rec dowhile () =
+ self#_advance ();
+ let newpos = getpos () in
+ if (getoldpos ())#compare newpos < 0 then
+ begin
+ buffer#move_mark old_locked_mark newpos;
+ dowhile ()
+ end
+ in
+ dowhile ();
+ dispose_old_locked_mark ();
+ self#notify
+ with
+ | Margin -> dispose_old_locked_mark (); self#notify
+ | exc -> dispose_old_locked_mark (); self#notify; raise exc)
+ | `Cursor ->
+ let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
+ let cursor_iter () = buffer#get_iter_at_mark `INSERT in
+ let remember =
+ `MARK
+ (buffer#create_mark ~name:"initial_insert"
+ ~left_gravity:true (cursor_iter ())) in
+ let dispose_remember () = buffer#delete_mark remember in
+ let remember_iter () =
+ buffer#get_iter_at_mark (`NAME "initial_insert") in
+ let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
+ let icmp = cmp () in
+ let forward_until_cursor () = (* go forward until locked > cursor *)
+ let rec aux () =
+ self#_advance ();
+ if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
+ then
+ begin
+ buffer#move_mark old_locked_mark (getpos ());
+ aux ()
+ end
+ in
+ aux ()
+ in
+ let rec back_until_cursor len = (* go backward until locked < cursor *)
+ function
+ statements, ((grafite_status,lexicon_status)::_ as history)
+ when len <= 0 ->
+ self#_retract (icmp - len) lexicon_status grafite_status statements
+ history
+ | statement::tl1, _::tl2 ->
+ back_until_cursor (len - String.length statement) (tl1,tl2)
+ | _,_ -> assert false
+ in
+ (try
+ begin
+ if icmp < 0 then (* locked < cursor *)
+ (forward_until_cursor (); self#notify)
+ else if icmp > 0 then (* locked > cursor *)
+ (back_until_cursor icmp (statements,history); self#notify)
+ else (* cursor = locked *)
+ ()
+ end ;
+ dispose_remember ();
+ dispose_old_locked_mark ();
+ with
+ | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
+ | exc -> dispose_remember (); dispose_old_locked_mark ();
+ self#notify; raise exc)
+
+ method onGoingProof () =
+ match self#grafite_status.proof_status with
+ | No_proof | Proof _ -> false
+ | Incomplete_proof _ -> true
+ | Intermediate _ -> assert false
+
+(* method proofStatus = MatitaTypes.get_proof_status self#status *)
+ method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
+
+ method proofContext =
+ match userGoal with
+ None -> []
+ | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
+
+ method proofConclusion =
+ match userGoal with
+ None -> assert false
+ | Some n ->
+ GrafiteTypes.get_proof_conclusion self#grafite_status n
+
+ method stack = GrafiteTypes.get_stack self#grafite_status
+ method setGoal n = userGoal <- n
+ method goal = userGoal
+
+ method eos =
+ let s = self#getFuture in
+ let rec is_there_and_executable lexicon_status s =
+ if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
+ let lexicon_status,st =
+ GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
+ ~include_paths lexicon_status
+ in
+ match st with
+ GrafiteParser.LNone loc
+ | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
+ let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
+ let remain_len = String.length s - parsed_text_length in
+ let next = String.sub s parsed_text_length remain_len in
+ is_there_and_executable lexicon_status next
+ | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) -> false
+ in
+ try
+ is_there_and_executable self#lexicon_status s
+ with
+ | CicNotationParser.Parse_error _ -> false
+ | Margin | End_of_file -> true
+
+ (* debug *)
+ method dump () =
+ HLog.debug "script status:";
+ HLog.debug ("history size: " ^ string_of_int (List.length history));
+ HLog.debug (sprintf "%d statements:" (List.length statements));
+ List.iter HLog.debug statements;
+ HLog.debug ("Current file name: " ^
+ (match guistuff.filenamedata with
+ |None,_ -> "[ no name ]"
+ | Some f,_ -> f));
+
+end
+
+let _script = ref None
+
+let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
+=
+ let s = new script
+ ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
+ in
+ _script := Some s;
+ s