X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaScript.ml;h=34e0408c598f281aa0d6bee4417bc3ad5493e407;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=7f73e2ec4d3139a14c9134aff80afd95272964c7;hpb=2c2474e19e7cd5d271328823a13d2e75a3557da2;p=helm.git diff --git a/helm/matita/matitaScript.ml b/helm/matita/matitaScript.ml index 7f73e2ec4..34e0408c5 100644 --- a/helm/matita/matitaScript.ml +++ b/helm/matita/matitaScript.ml @@ -26,8 +26,10 @@ open Printf open MatitaTypes -let debug = true -let debug_print = if debug then prerr_endline else ignore +module TA = GrafiteAst + +let debug = false +let debug_print = if debug then prerr_endline else ignore (** raised when one of the script margins (top or bottom) is reached *) exception Margin @@ -36,16 +38,16 @@ let safe_substring s i j = try String.sub s i j with Invalid_argument _ -> assert false let heading_nl_RE = Pcre.regexp "^\\s*\n\\s*" -let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)(.*)" +let heading_nl_RE' = Pcre.regexp "^(\\s*\n\\s*)((.|\n)*)" let only_dust_RE = Pcre.regexp "^(\\s|\n|%%[^\n]*\n)*$" let multiline_RE = Pcre.regexp "^\n[^\n]+$" let newline_RE = Pcre.regexp "\n" let comment str = if Pcre.pmatch ~rex:multiline_RE str then - "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " **)" + "\n(** " ^ (Pcre.replace ~rex:newline_RE str) ^ " *)" else - "\n(**\n" ^ str ^ "\n**)" + "\n(**\n" ^ str ^ "\n*)" let first_line s = let s = Pcre.replace ~rex:heading_nl_RE s in @@ -57,8 +59,10 @@ let first_line s = (** creates a statement AST for the Goal tactic, e.g. "goal 7" *) let goal_ast n = let module A = GrafiteAst in - let loc = Disambiguate.dummy_floc in - A.Executable (loc, A.Tactical (loc, A.Tactic (loc, A.Goal (loc, n)))) + let loc = DisambiguateTypes.dummy_floc in + A.Executable (loc, A.Tactical (loc, + A.Tactic (loc, A.Goal (loc, n)), + Some (A.Dot loc))) type guistuff = { mathviewer:MatitaTypes.mathViewer; @@ -69,7 +73,6 @@ type guistuff = { } let eval_with_engine guistuff status user_goal parsed_text st = - let module TA = GrafiteAst in let module TAPp = GrafiteAstPp in let include_ = match guistuff.filenamedata with @@ -92,15 +95,17 @@ let eval_with_engine guistuff status user_goal parsed_text st = (* we add the goal command if needed *) let inital_space,new_status,new_status_and_text_list' = match status.proof_status with - | Incomplete_proof (_, goal) when goal <> user_goal -> - let status = +(* | Incomplete_proof { stack = stack } + when not (List.mem user_goal (Continuationals.head_goals stack)) -> + let status = MatitaEngine.eval_ast ~include_paths:include_ - ~do_heavy_checks:true status (goal_ast user_goal) in - let initial_space = - if initial_space = "" then "\n" else initial_space - in - "\n", status, - [status, initial_space ^ TAPp.pp_tactic (TA.Goal (loc, user_goal))] + ~do_heavy_checks:true status (goal_ast user_goal) + in + let initial_space = if initial_space = "" then "\n" else initial_space + in + "\n", status, + [ status, + initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ] *) | _ -> initial_space,status,[] in let new_status = MatitaEngine.eval_ast @@ -109,15 +114,20 @@ let eval_with_engine guistuff status user_goal parsed_text st = let new_aliases = match ex with | TA.Command (_, TA.Alias _) - | TA.Command (_, TA.Include _) -> DisambiguateTypes.Environment.empty + | TA.Command (_, TA.Include _) + | TA.Command (_, TA.Interpretation _) -> [] | _ -> MatitaSync.alias_diff ~from:status new_status in (* we remove the defined object since we consider them "automatic aliases" *) + let dummy_st = + TA.Comment (DisambiguateTypes.dummy_floc, + TA.Note (DisambiguateTypes.dummy_floc, "")) + in let initial_space,status,new_status_and_text_list_rev = let module DTE = DisambiguateTypes.Environment in let module UM = UriManager in - DTE.fold ( - fun k ((v,_) as value) (initial_space,status,acc) -> + List.fold_left ( + fun (initial_space,status,acc) (k,((v,_) as value)) -> let b = try let v = UM.strip_xpointer (UM.uri_of_string v) in @@ -131,16 +141,18 @@ let eval_with_engine guistuff status user_goal parsed_text st = let initial_space = if initial_space = "" then "\n" else initial_space in initial_space ^ - DisambiguatePp.pp_environment(DTE.add k value DTE.empty) in + DisambiguatePp.pp_environment + (DisambiguateTypes.Environment.add k value + DisambiguateTypes.Environment.empty) in let new_status = - {status with aliases = DTE.add k value status.aliases} + MatitaSync.set_proof_aliases status [k,value] in - "\n",new_status,((new_status, new_text)::acc) - ) new_aliases (initial_space,status,[]) in + "\n",new_status,((new_status, (new_text, dummy_st))::acc) + ) (initial_space,status,[]) new_aliases in let parsed_text = initial_space ^ parsed_text in let res = List.rev new_status_and_text_list_rev @ new_status_and_text_list' @ - [new_status, parsed_text] + [new_status, (parsed_text, st)] in res,parsed_text_length @@ -177,7 +189,7 @@ let eval_with_engine guistuff status user_goal parsed_text st = let title = "Unable to include " ^ what in let message = what ^ " is not handled by a development.\n" ^ - "All dependencies are authomatically solved for a development.\n\n" ^ + "All dependencies are automatically solved for a development.\n\n" ^ "Do you want to set up a development?" in (match guistuff.ask_confirmation ~title ~message with @@ -199,20 +211,19 @@ let eval_with_engine guistuff status user_goal parsed_text st = | Some d -> handle_with_devel d ;; -let disambiguate term status = +let disambiguate_macro_term term status user_goal = let module MD = MatitaDisambiguator in let dbd = MatitaDb.instance () in - let metasenv = MatitaMisc.get_proof_metasenv status in - let context = MatitaMisc.get_proof_context status in - let aliases = MatitaMisc.get_proof_aliases status in - let interps = MD.disambiguate_term dbd context metasenv aliases term in + let metasenv = MatitaTypes.get_proof_metasenv status in + let context = MatitaTypes.get_proof_context status user_goal in + let interps = + MD.disambiguate_term ~dbd ~context ~metasenv ~aliases:status.aliases + ~universe:(Some status.multi_aliases) term in match interps with - | [_,_,x,_] -> x + | [_,_,x,_], _ -> x | _ -> assert false -let eval_macro guistuff status parsed_text script mac -= - let module TA = GrafiteAst in +let eval_macro guistuff status user_goal unparsed_text parsed_text script mac = let module TAPp = GrafiteAstPp in let module MQ = MetadataQuery in let module MDB = MatitaDb in @@ -225,13 +236,17 @@ let eval_macro guistuff status parsed_text script mac match mac with (* WHELP's stuff *) | TA.WMatch (loc, term) -> - let term = disambiguate term status in + let term = disambiguate_macro_term term status user_goal in let l = MQ.match_term ~dbd term in - let entry = `Whelp (TAPp.pp_macro_cic (TA.WMatch (loc, term)), l) in + let query_url = + MatitaMisc.strip_suffix ~suffix:"." + (HExtlib.trim_blanks unparsed_text) + in + let entry = `Whelp (query_url, l) in guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; [], parsed_text_length | TA.WInstance (loc, term) -> - let term = disambiguate term status in + let term = disambiguate_macro_term term status user_goal in let l = MQ.instance ~dbd term in let entry = `Whelp (TAPp.pp_macro_cic (TA.WInstance (loc, term)), l) in guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; @@ -242,7 +257,7 @@ let eval_macro guistuff status parsed_text script mac guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; [], parsed_text_length | TA.WElim (loc, term) -> - let term = disambiguate term status in + let term = disambiguate_macro_term term status user_goal in let uri = match term with | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None @@ -253,7 +268,7 @@ let eval_macro guistuff status parsed_text script mac guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; [], parsed_text_length | TA.WHint (loc, term) -> - let term = disambiguate term status in + let term = disambiguate_macro_term term status user_goal in let s = ((None,[0,[],term], Cic.Meta (0,[]) ,term),0) in let l = List.map fst (MQ.experimental_hint ~dbd s) in let entry = `Whelp (TAPp.pp_macro_cic (TA.WHint (loc, term)), l) in @@ -261,24 +276,26 @@ let eval_macro guistuff status parsed_text script mac [], parsed_text_length (* REAL macro *) | TA.Hint loc -> - let s = MatitaMisc.get_proof_status status in - let l = List.map fst (MQ.experimental_hint ~dbd s) in + let proof = MatitaTypes.get_current_proof status in + let proof_status = proof, user_goal in + let l = List.map fst (MQ.experimental_hint ~dbd proof_status) in let selected = guistuff.urichooser l in (match selected with | [] -> [], parsed_text_length | [uri] -> - let ast = - TA.Executable (loc, - (TA.Tactical (loc, - TA.Tactic (loc, - TA.Apply (loc, CicNotationPt.Uri (UriManager.string_of_uri uri,None)))))) - in + let suri = UriManager.string_of_uri uri in + let ast = + TA.Executable (loc, (TA.Tactical (loc, + TA.Tactic (loc, + TA.Apply (loc, CicNotationPt.Uri (suri, None))), + Some (TA.Dot loc)))) + in let new_status = MatitaEngine.eval_ast status ast in let extra_text = comment parsed_text ^ "\n" ^ TAPp.pp_statement ast in - [ new_status , extra_text ], parsed_text_length + [ new_status , (extra_text, ast) ], parsed_text_length | _ -> MatitaLog.error "The result of the urichooser should be only 1 uri, not:\n"; @@ -287,16 +304,15 @@ let eval_macro guistuff status parsed_text script mac ) selected; assert false) | TA.Check (_,term) -> - let metasenv = MatitaMisc.get_proof_metasenv status in - let context = MatitaMisc.get_proof_context status in - let aliases = MatitaMisc.get_proof_aliases status in + let metasenv = MatitaTypes.get_proof_metasenv status in + let context = MatitaTypes.get_proof_context status user_goal in let interps = - MatitaDisambiguator.disambiguate_term - dbd context metasenv aliases term + MatitaDisambiguator.disambiguate_term ~dbd ~context ~metasenv + ~aliases:status.aliases ~universe:(Some status.multi_aliases) term in let _, metasenv , term, ugraph = match interps with - | [x] -> x + | [x], _ -> x | _ -> assert false in let ty,_ = CTC.type_of_aux' metasenv context term ugraph in @@ -324,16 +340,16 @@ let eval_macro guistuff status parsed_text script mac | TA.Print (_,kind) -> failwith "not implemented" | TA.Search_pat (_, search_kind, str) -> failwith "not implemented" | TA.Search_term (_, search_kind, term) -> failwith "not implemented" - -let eval_executable guistuff status user_goal parsed_text script ex = - let module TA = GrafiteAst in +let eval_executable guistuff status user_goal unparsed_text parsed_text script + ex += let module TAPp = GrafiteAstPp in let module MD = MatitaDisambiguator in let module ML = MatitacleanLib in let parsed_text_length = String.length parsed_text in match ex with - | TA.Command (loc, _) | TA.Tactical (loc, _) -> + | TA.Command (loc, _) | TA.Tactical (loc, _, _) -> (try (match MatitaMisc.baseuri_of_baseuri_decl (TA.Executable (loc,ex)) with | None -> () @@ -354,63 +370,71 @@ let eval_executable guistuff status user_goal parsed_text script ex = guistuff status user_goal parsed_text (TA.Executable (loc, ex)) with MatitaTypes.Cancel -> [], 0) | TA.Macro (_,mac) -> - eval_macro guistuff status parsed_text script mac + eval_macro guistuff status user_goal unparsed_text parsed_text script mac + +let parse_statement baseoffset parsedlen ?error_tag (buffer: GText.buffer) text += + try + GrafiteParser.parse_statement (Ulexing.from_utf8_string text) + with CicNotationParser.Parse_error (floc, err) as exn -> + match error_tag with + | None -> raise exn + | Some error_tag -> + let (x, y) = CicNotationPt.loc_of_floc floc in + let x = parsedlen + x in + let y = parsedlen + y in + let x' = baseoffset + x in + let y' = baseoffset + y in + let x_iter = buffer#get_iter (`OFFSET x') in + let y_iter = buffer#get_iter (`OFFSET y') in + buffer#apply_tag error_tag ~start:x_iter ~stop:y_iter; + let id = ref None in + id := Some (buffer#connect#changed ~callback:(fun () -> + buffer#remove_tag error_tag ~start:buffer#start_iter + ~stop:buffer#end_iter; + match !id with + | None -> assert false (* a race condition occurred *) + | Some id -> + (new GObj.gobject_ops buffer#as_buffer)#disconnect id)); + let flocb,floce = floc in + let floc = + { flocb with Lexing.pos_cnum = x }, { floce with Lexing.pos_cnum = y } + in + buffer#place_cursor (buffer#get_iter (`OFFSET x')); + raise (CicNotationParser.Parse_error (floc, err)) let rec eval_statement baseoffset parsedlen error_tag (buffer : GText.buffer) - guistuff status user_goal script s + guistuff status user_goal script statement = - if Pcre.pmatch ~rex:only_dust_RE s then raise Margin; - let st = - try - GrafiteParser.parse_statement (Stream.of_string s) - with - CicNotationParser.Parse_error (floc,err) as exc -> - let (x, y) = CicNotationPt.loc_of_floc floc in - let x = parsedlen + x in - let y = parsedlen + y in - let x' = baseoffset + x in - let y' = baseoffset + y in - let x_iter = buffer#get_iter (`OFFSET x') in - let y_iter = buffer#get_iter (`OFFSET y') in - buffer#apply_tag error_tag ~start:x_iter ~stop:y_iter; - let id = ref None in - id := - Some - (buffer#connect#changed - ~callback:( - fun () -> - buffer#remove_tag error_tag ~start:buffer#start_iter - ~stop:buffer#end_iter; - match !id with - None -> assert false (* a race condition occurred *) - | Some id -> - (new GObj.gobject_ops buffer#as_buffer)#disconnect id)); - let flocb,floce = floc in - let floc = - {flocb with Lexing.pos_cnum = x}, {floce with Lexing.pos_cnum = y } in - raise (CicNotationParser.Parse_error (floc,err)) + let st, unparsed_text = + match statement with + | `Raw text -> + if Pcre.pmatch ~rex:only_dust_RE text then raise Margin; + parse_statement baseoffset parsedlen ~error_tag buffer text, text + | `Ast (st, text) -> st, text in let text_of_loc loc = let parsed_text_length = snd (CicNotationPt.loc_of_floc loc) in - let parsed_text = safe_substring s 0 parsed_text_length in + let parsed_text = safe_substring unparsed_text 0 parsed_text_length in parsed_text, parsed_text_length in match st with - | GrafiteAst.Comment (loc,_)-> + | GrafiteAst.Comment (loc, _) -> let parsed_text, parsed_text_length = text_of_loc loc in - let remain_len = String.length s - parsed_text_length in - let s = String.sub s parsed_text_length remain_len in + let remain_len = String.length unparsed_text - parsed_text_length in + let s = String.sub unparsed_text parsed_text_length remain_len in let s,len = eval_statement baseoffset (parsedlen + parsed_text_length) error_tag - buffer guistuff status user_goal script s + buffer guistuff status user_goal script (`Raw s) in (match s with - | (status, text) :: tl -> - ((status, parsed_text ^ text)::tl), (parsed_text_length + len) + | (status, (text, ast)) :: tl -> + ((status, (parsed_text ^ text, ast))::tl), (parsed_text_length + len) | [] -> [], 0) | GrafiteAst.Executable (loc, ex) -> let parsed_text, parsed_text_length = text_of_loc loc in - eval_executable guistuff status user_goal parsed_text script ex + eval_executable guistuff status user_goal unparsed_text parsed_text + script ex let fresh_script_id = let i = ref 0 in @@ -438,6 +462,8 @@ object (self) method private getFilename = match guistuff.filenamedata with Some f,_ -> f | _ -> assert false + + method filename = self#getFilename method private ppFilename = match guistuff.filenamedata with @@ -445,13 +471,10 @@ object (self) | None,_ -> sprintf ".unnamed%d.ma" scriptId initializer - ignore(GMain.Timeout.add ~ms:300000 - ~callback:(fun _ -> self#_saveToBackuptFile ();true)); - ignore(buffer#connect#modified_changed - (fun _ -> if buffer#modified then - set_star self#ppFilename true - else - set_star self#ppFilename false)) + ignore (GMain.Timeout.add ~ms:300000 + ~callback:(fun _ -> self#_saveToBackupFile ();true)); + ignore (buffer#connect#modified_changed + (fun _ -> set_star (Filename.basename self#ppFilename) buffer#modified)) val mutable statements = []; (** executed statements *) val mutable history = [ init ]; @@ -477,30 +500,56 @@ object (self) method status = match history with hd :: _ -> hd | _ -> assert false method private _advance ?statement () = + let rec aux st = + let baseoffset = (buffer#get_iter_at_mark (`MARK locked_mark))#offset in + let (entries, parsed_len) = + eval_statement baseoffset 0 error_tag buffer guistuff self#status + userGoal self st + in + let (new_statuses, new_statements, new_asts) = + let statuses, statements = List.split entries in + let texts, asts = List.split statements in + statuses, texts, asts + in + history <- List.rev new_statuses @ history; + statements <- List.rev new_statements @ statements; + let start = buffer#get_iter_at_mark (`MARK locked_mark) in + let new_text = String.concat "" new_statements in + if statement <> None then + buffer#insert ~iter:start new_text + else + let s = match st with `Raw s | `Ast (_, s) -> s in + if new_text <> String.sub s 0 parsed_len then + begin + let stop = start#copy#forward_chars parsed_len in + buffer#delete ~start ~stop; + buffer#insert ~iter:start new_text; + end; + self#moveMark (String.length new_text); + (* + (match List.rev new_asts with (* advance again on punctuation *) + | TA.Executable (_, TA.Tactical (_, tac, _)) :: _ -> + let baseoffset = + (buffer#get_iter_at_mark (`MARK locked_mark))#offset + in + let text = self#getFuture in + (try + (match parse_statement baseoffset 0 ?error_tag:None buffer text with + | TA.Executable (loc, TA.Tactical (_, tac, None)) as st + when GrafiteAst.is_punctuation tac -> + let len = snd (CicNotationPt.loc_of_floc loc) in + aux (`Ast (st, String.sub text 0 len)) + | _ -> ()) + with CicNotationParser.Parse_error _ | End_of_file -> ()) + | _ -> ()) + *) + in let s = match statement with Some s -> s | None -> self#getFuture in MatitaLog.debug ("evaluating: " ^ first_line s ^ " ..."); - let (entries, parsed_len) = - eval_statement (buffer#get_iter_at_mark (`MARK locked_mark))#offset 0 - error_tag buffer guistuff self#status userGoal self s - in - let (new_statuses, new_statements) = List.split entries in - history <- List.rev new_statuses @ history; - statements <- List.rev new_statements @ statements; - let start = buffer#get_iter_at_mark (`MARK locked_mark) in - let new_text = String.concat "" new_statements in - if statement <> None then - buffer#insert ~iter:start new_text - else - if new_text <> String.sub s 0 parsed_len then - begin - let stop = start#copy#forward_chars parsed_len in - buffer#delete ~start ~stop; - buffer#insert ~iter:start new_text; - end; - self#moveMark (String.length new_text) + (try aux (`Raw s) with End_of_file -> raise Margin) method private _retract offset status new_statements new_history = - let cur_status = match history with s::_ -> s | [] -> assert false in + let cur_status = match history with s::_ -> s | [] -> assert false in MatitaSync.time_travel ~present:cur_status ~past:status; statements <- new_statements; history <- new_history; @@ -549,11 +598,6 @@ object (self) 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; - begin - match self#status.proof_status with - Incomplete_proof (_,goal) -> self#setGoal goal - | _ -> () - end ; let mark_position = buffer#get_iter_at_mark mark in if source_view#move_mark_onscreen mark then begin @@ -577,8 +621,8 @@ object (self) List.iter (fun o -> o status) observers method loadFromFile f = - buffer#set_text (MatitaMisc.input_file f); - self#goto_top; + buffer#set_text (HExtlib.input_file f); + self#reset_buffer; buffer#set_modified false method assignFileName file = @@ -593,7 +637,7 @@ object (self) close_out oc; buffer#set_modified false - method private _saveToBackuptFile () = + method private _saveToBackupFile () = if buffer#modified then begin let f = self#ppFilename ^ "~" in @@ -605,28 +649,30 @@ object (self) end method private goto_top = - MatitaSync.time_travel ~present:self#status ~past:init; + MatitaSync.time_travel ~present:self#status ~past:init + + method private reset_buffer = statements <- []; history <- [ init ]; userGoal <- ~-1; + 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#goto_top; + 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 (); - self#notify; buffer#set_modified false - + method template () = - let template = MatitaMisc.input_file BuildTimeConf.script_template in + let template = HExtlib.input_file BuildTimeConf.script_template in buffer#insert ~iter:(buffer#get_iter `START) template; guistuff.filenamedata <- (None,MatitamakeLib.development_for_dir (Unix.getcwd ())); buffer#set_modified false; - set_star self#ppFilename false + set_star (Filename.basename self#ppFilename) false method goto (pos: [`Top | `Bottom | `Cursor]) () = let old_locked_mark = @@ -637,7 +683,11 @@ object (self) 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#notify + | `Top -> + dispose_old_locked_mark (); + self#goto_top; + self#reset_buffer; + self#notify | `Bottom -> (try let rec dowhile () = @@ -709,17 +759,19 @@ object (self) | Incomplete_proof _ -> true | Intermediate _ -> assert false - method proofStatus = MatitaMisc.get_proof_status self#status - method proofMetasenv = MatitaMisc.get_proof_metasenv self#status - method proofContext = MatitaMisc.get_proof_context self#status - method proofConclusion = MatitaMisc.get_proof_conclusion self#status +(* method proofStatus = MatitaTypes.get_proof_status self#status *) + method proofMetasenv = MatitaTypes.get_proof_metasenv self#status + method proofContext = MatitaTypes.get_proof_context self#status userGoal + method proofConclusion = MatitaTypes.get_proof_conclusion self#status userGoal + method stack = MatitaTypes.get_stack self#status method setGoal n = userGoal <- n + method goal = userGoal method eos = let s = self#getFuture in let rec is_there_and_executable s = if Pcre.pmatch ~rex:only_dust_RE s then raise Margin; - let st = GrafiteParser.parse_statement (Stream.of_string s) in + let st = GrafiteParser.parse_statement (Ulexing.from_utf8_string s) in match st with | GrafiteAst.Comment (loc,_)-> let parsed_text_length = snd (CicNotationPt.loc_of_floc loc) in @@ -732,10 +784,8 @@ object (self) is_there_and_executable s with | CicNotationParser.Parse_error _ -> false - | Margin -> true - - - + | Margin | End_of_file -> true + (* debug *) method dump () = MatitaLog.debug "script status:"; @@ -759,6 +809,5 @@ let script ~source_view ~init ~mathviewer ~urichooser ~develcreator ~ask_confirm _script := Some s; s -let instance () = match !_script with None -> assert false | Some s -> s - +let current () = match !_script with None -> assert false | Some s -> s