X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaScript.ml;h=34e0408c598f281aa0d6bee4417bc3ad5493e407;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=acb73fb54909f90da93c260e12b201798c9b15d2;hpb=642e20a0135126586603ffb539f0d1c1428f1502;p=helm.git diff --git a/helm/matita/matitaScript.ml b/helm/matita/matitaScript.ml index acb73fb54..34e0408c5 100644 --- a/helm/matita/matitaScript.ml +++ b/helm/matita/matitaScript.ml @@ -1,4 +1,4 @@ -(* Copyright (C) 2005, HELM Team. +(* Copyright (C) 2004-2005, HELM Team. * * This file is part of HELM, an Hypertextual, Electronic * Library of Mathematics, developed at the Computer Science @@ -24,189 +24,790 @@ *) open Printf - open MatitaTypes -exception Script_failure of string - -let remove_constant_from_world ~dbd ~uri = - CicEnvironment.remove_obj uri; - MetadataDb.unindex ~dbd ~uri; - let uri = UriManager.string_of_uri uri in - List.iter - (* TODO ZACK remove xml files from disk *) - (fun suffix -> Http_getter.unregister (uri ^ suffix)) - [""; ".body"; ".types"] - -let remove_inductive_def_from_world ~dbd ~uri = - remove_constant_from_world ~dbd ~uri; - let uri = UriManager.string_of_uri uri in - Http_getter.unregister uri; - List.iter - (fun suffix -> - let uri = - Pcre.replace ~pat:"\\.ind$" ~templ:(sprintf "_%s.con" suffix) uri - in - remove_constant_from_world ~dbd ~uri:(UriManager.uri_of_string uri)) - ["ind"; "rec"; "rect"] - -let is_empty = - let rex = Pcre.regexp "^\\s*$" in - fun s -> - Pcre.pmatch ~rex s - -class script ~(interpreter:MatitaTypes.interpreter) () = - let gui = MatitaGui.instance () in - let script = gui#script in - let buf = script#scriptTextView#buffer in - let dbd = MatitaMisc.dbd_instance () in - let rec undo_item = function - | None -> () - | Some item -> - (match item with - | `Tactic -> - let res = - interpreter#evalAst (TacticAst.Command (TacticAst.Undo None)) - in - assert (fst res) - | `Theorem -> - interpreter#setState `Command; - (MatitaMathView.sequents_viewer_instance ())#reset - | `Qed uri - | `Def uri -> remove_constant_from_world ~dbd ~uri - | `Inductive uri -> remove_inductive_def_from_world ~dbd ~uri) +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 + +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*)((.|\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) ^ " *)" + else + "\n(**\n" ^ str ^ "\n*)" + +let first_line s = + let s = Pcre.replace ~rex:heading_nl_RE s in + try + let nl_pos = String.index s '\n' in + String.sub s 0 nl_pos + with Not_found -> s + + (** creates a statement AST for the Goal tactic, e.g. "goal 7" *) +let goal_ast n = + let module A = GrafiteAst in + 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; + urichooser: UriManager.uri list -> UriManager.uri list; + ask_confirmation: title:string -> message:string -> [`YES | `NO | `CANCEL]; + develcreator: containing:string option -> unit; + mutable filenamedata: string option * MatitamakeLib.development option +} + +let eval_with_engine guistuff status user_goal parsed_text st = + let module TAPp = GrafiteAstPp in + let include_ = + match guistuff.filenamedata with + | None,None -> [] + | None,Some devel -> [MatitamakeLib.root_for_development devel ] + | Some f,_ -> + match MatitamakeLib.development_for_dir (Filename.dirname f) with + | None -> [] + | Some devel -> [MatitamakeLib.root_for_development devel ] + in + let parsed_text_length = String.length parsed_text in + let loc, ex = + match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in + let initial_space,parsed_text = + try + let pieces = Pcre.extract ~rex:heading_nl_RE' parsed_text in + pieces.(1), pieces.(2) + with + Not_found -> "", parsed_text in + (* we add the goal command if needed *) + let inital_space,new_status,new_status_and_text_list' = + match status.proof_status with +(* | 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_tactical (TA.Select (loc, [user_goal])) ] *) + | _ -> initial_space,status,[] in + let new_status = + MatitaEngine.eval_ast + ~include_paths:include_ ~do_heavy_checks:true new_status st + in + let new_aliases = + match ex with + | TA.Command (_, TA.Alias _) + | TA.Command (_, TA.Include _) + | TA.Command (_, TA.Interpretation _) -> [] + | _ -> MatitaSync.alias_diff ~from:status new_status in - object (self) - initializer - let console = (MatitaGui.instance ())#console in - let w f () = ignore (console#wrap_exn (fun () -> f ())) in - ignore (gui#script#scriptWinTopButton#connect#clicked (w self#top)); - ignore (gui#script#scriptWinBottomButton#connect#clicked (w self#bottom)); - ignore (gui#script#scriptWinForwardButton#connect#clicked - (w self#forward)); - ignore (gui#script#scriptWinBackButton#connect#clicked (w self#back)); - ignore (gui#script#scriptWinTopButton#connect#clicked (w self#top)); - ignore (gui#script#scriptWinJumpButton#connect#clicked (w self#jump)) - - val mutable items = [] - - (** {3 text buffer locking} *) - - (** text mark and tag representing locked part of a script *) - val locked_mark = - buf#create_mark ~name:"locked" ~left_gravity:true buf#start_iter - val locked_tag = buf#create_tag [`BACKGROUND "lightblue"; `EDITABLE false] - - (** lock script text view from the beginning to the given offset (in UTF-8 - * characters) *) - method private lockScript offset = - let mark = `MARK locked_mark in - buf#move_mark mark ~where:(buf#get_iter_at_char offset); - buf#remove_tag locked_tag ~start:buf#start_iter ~stop:buf#end_iter; - buf#apply_tag locked_tag ~start:buf#start_iter - ~stop:(buf#get_iter_at_mark mark) - - method win = gui#script - - method loadFrom fname = - buf#set_text (MatitaMisc.input_file fname); - gui#script#scriptWin#show (); - gui#main#showScriptMenuItem#set_active true - - method advance tactical = - let text = "\n" ^ TacticAstPp.pp_tactical tactical in - buf#insert ~iter:(buf#get_iter_at_mark (`NAME "locked")) text; - let res = self#_forward () in - if not (fst res) then begin - let locked_iter = buf#get_iter_at_mark (`NAME "locked") in - buf#delete ~start:locked_iter - ~stop:(locked_iter#forward_chars (String.length text)); - end; - res - - (** {3 script progress} *) - - method private jump () = - let locked_iter () = buf#get_iter_at_mark (`NAME "locked") in - let cursor_iter = buf#get_iter_at_mark (`NAME "insert") in - let rec forward_until_cursor () = - prerr_endline "forward_until_cursor"; - (* go forward until locked > cursor (or forward fails) *) - let success = + (* 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 + List.fold_left ( + fun (initial_space,status,acc) (k,((v,_) as value)) -> + let b = try - fst (self#_forward ~stop:cursor_iter ()) - with - | Script_failure _ | CicTextualParser2.Parse_error _ -> false + let v = UM.strip_xpointer (UM.uri_of_string v) in + List.exists (fun (s,_) -> s = v) new_status.objects + with UM.IllFormedUri _ -> false + in + if b then + initial_space,status,acc + else + let new_text = + let initial_space = + if initial_space = "" then "\n" else initial_space in + initial_space ^ + DisambiguatePp.pp_environment + (DisambiguateTypes.Environment.add k value + DisambiguateTypes.Environment.empty) in + let new_status = + MatitaSync.set_proof_aliases status [k,value] + 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, st)] + in + res,parsed_text_length + +let eval_with_engine guistuff status user_goal parsed_text st = + try + eval_with_engine guistuff status user_goal parsed_text st + with + | MatitaEngine.UnableToInclude what + | MatitaEngine.IncludedFileNotCompiled what as exc -> + let compile_needed_and_go_on d = + let target = what in + let refresh_cb () = + while Glib.Main.pending () do ignore(Glib.Main.iteration false); done in - if success && (locked_iter ())#compare cursor_iter < 0 then - forward_until_cursor () + if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then + raise exc + else + eval_with_engine guistuff status user_goal parsed_text st in - let rec back_until_cursor () = (* go backward until locked < cursor *) - prerr_endline "back_until_cursor"; - let res = self#back () in - if (locked_iter ())#compare cursor_iter > 0 then - back_until_cursor () + let do_nothing () = [], 0 in + let handle_with_devel d = + let name = MatitamakeLib.name_for_development d in + let title = "Unable to include " ^ what in + let message = + what ^ " is handled by development " ^ name ^ ".\n\n" ^ + "Should I compile it and Its dependencies?" + in + (match guistuff.ask_confirmation ~title ~message with + | `YES -> compile_needed_and_go_on d + | `NO -> raise exc + | `CANCEL -> do_nothing ()) in - let cmp = (locked_iter ())#compare cursor_iter in - if cmp < 0 then (* locked < cursor *) - (prerr_endline "locked < cursor"; forward_until_cursor ()) - else if cmp > 0 then (* locked > cursor *) - (prerr_endline "locked > cursor"; back_until_cursor ()) - else (* cursor = locked *) - () - - method private top () = - try while true do self#back () done with Script_failure _ -> () - - method private bottom () = - try - while true do - let res = self#_forward () in - if not (fst res) then raise (Script_failure "error") - done - with Script_failure _ -> () - - method private _forward ?(stop = buf#end_iter) () = - let locked_iter = buf#get_iter_at_mark (`NAME "locked") in - let (success, hide) as res = - let text = buf#get_text ~start:locked_iter ~stop () in - if is_empty text then - raise (Script_failure "at bottom") - else - interpreter#evalPhrase text + let handle_without_devel filename = + let title = "Unable to include " ^ what in + let message = + what ^ " is not handled by a development.\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 + | `YES -> + (match filename with + | Some f -> + guistuff.develcreator ~containing:(Some (Filename.dirname f)) + | None -> guistuff.develcreator ~containing:None); + do_nothing () + | `NO -> raise exc + | `CANCEL -> do_nothing()) in - if success then begin - let old_offset = locked_iter#offset in - let new_offset = old_offset + interpreter#endOffset in - self#lockScript new_offset; - items <- (interpreter#lastItem, old_offset) :: items - end; - res - - method private forward () = ignore (self#_forward ()) - - method private back () = - (* clean history backward until the first theorem, return offset before - * it and remaning history *) - let rec flush_theorem = function - | (Some `Theorem, offset) :: tl -> offset, tl - | _ :: tl -> flush_theorem tl - | [] -> assert false + match guistuff.filenamedata with + | None,None -> handle_without_devel None + | None,Some d -> handle_with_devel d + | Some f,_ -> + match MatitamakeLib.development_for_dir (Filename.dirname f) with + | None -> handle_without_devel (Some f) + | Some d -> handle_with_devel d +;; + +let disambiguate_macro_term term status user_goal = + let module MD = MatitaDisambiguator in + let dbd = MatitaDb.instance () 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 + | _ -> assert false + +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 + let module CTC = CicTypeChecker in + let module CU = CicUniv in + (* no idea why ocaml wants this *) + let advance ?statement () = script#advance ?statement () in + let parsed_text_length = String.length parsed_text in + let dbd = MatitaDb.instance () in + match mac with + (* WHELP's stuff *) + | TA.WMatch (loc, term) -> + let term = disambiguate_macro_term term status user_goal in + let l = MQ.match_term ~dbd term 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_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; + [], parsed_text_length + | TA.WLocate (loc, s) -> + let l = MQ.locate ~dbd s in + let entry = `Whelp (TAPp.pp_macro_cic (TA.WLocate (loc, s)), l) in + guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; + [], parsed_text_length + | TA.WElim (loc, term) -> + 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 + | _ -> failwith "Not a MutInd" in - match items with - | [] -> raise (Script_failure "at top") - | (item, last_offset) :: tl -> - undo_item item; - let (last_offset, tl) = - (* if undoing a qed, go back before corresponding theorem *) - match item with - | Some (`Qed _) -> flush_theorem tl - | _ -> last_offset, tl + let l = MQ.elim ~dbd uri in + let entry = `Whelp (TAPp.pp_macro_cic (TA.WElim (loc, term)), l) in + guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; + [], parsed_text_length + | TA.WHint (loc, term) -> + 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 + guistuff.mathviewer#show_uri_list ~reuse:true ~entry l; + [], parsed_text_length + (* REAL macro *) + | TA.Hint loc -> + 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 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 - items <- tl; - self#lockScript last_offset + 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, ast) ], parsed_text_length + | _ -> + MatitaLog.error + "The result of the urichooser should be only 1 uri, not:\n"; + List.iter ( + fun u -> MatitaLog.error (UriManager.string_of_uri u ^ "\n") + ) selected; + assert false) + | TA.Check (_,term) -> + 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:status.aliases ~universe:(Some status.multi_aliases) term + in + let _, metasenv , term, ugraph = + match interps with + | [x], _ -> x + | _ -> assert false + in + let ty,_ = CTC.type_of_aux' metasenv context term ugraph in + let t_and_ty = Cic.Cast (term,ty) in + guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv)); + [], parsed_text_length +(* | TA.Abort _ -> + let rec go_back () = + let status = script#status.proof_status in + match status with + | No_proof -> () + | _ -> script#retract ();go_back() + in + [], parsed_text_length, Some go_back + | TA.Redo (_, Some i) -> [], parsed_text_length, + Some (fun () -> for j = 1 to i do advance () done) + | TA.Redo (_, None) -> [], parsed_text_length, + Some (fun () -> advance ()) + | TA.Undo (_, Some i) -> [], parsed_text_length, + Some (fun () -> for j = 1 to i do script#retract () done) + | TA.Undo (_, None) -> [], parsed_text_length, + Some (fun () -> script#retract ()) *) + (* TODO *) + | TA.Quit _ -> failwith "not implemented" + | 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 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, _, _) -> + (try + (match MatitaMisc.baseuri_of_baseuri_decl (TA.Executable (loc,ex)) with + | None -> () + | Some u -> + if not (MatitaMisc.is_empty u) then + match + guistuff.ask_confirmation + ~title:"Baseuri redefinition" + ~message:( + "Baseuri " ^ u ^ " already exists.\n" ^ + "Do you want to redefine the corresponding "^ + "part of the library?") + with + | `YES -> MatitacleanLib.clean_baseuris [u] + | `NO -> () + | `CANCEL -> raise MatitaTypes.Cancel); + eval_with_engine + guistuff status user_goal parsed_text (TA.Executable (loc, ex)) + with MatitaTypes.Cancel -> [], 0) + | TA.Macro (_,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 statement += + 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 unparsed_text 0 parsed_text_length in + parsed_text, parsed_text_length + in + match st with + | GrafiteAst.Comment (loc, _) -> + let parsed_text, parsed_text_length = text_of_loc loc 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 (`Raw s) + in + (match s with + | (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 unparsed_text parsed_text + script ex + +let fresh_script_id = + let i = ref 0 in + fun () -> incr i; !i - end +class script ~(source_view: GSourceView.source_view) + ~(init: MatitaTypes.status) + ~(mathviewer: MatitaTypes.mathViewer) + ~set_star + ~ask_confirmation + ~urichooser + ~develcreator + () = +let buffer = source_view#buffer in +let source_buffer = source_view#source_buffer in +object (self) + val scriptId = fresh_script_id () + + val guistuff = { + mathviewer = mathviewer; + urichooser = urichooser; + ask_confirmation = ask_confirmation; + develcreator = develcreator; + filenamedata = (None, None)} + + method private getFilename = + match guistuff.filenamedata with Some f,_ -> f | _ -> assert false + + method filename = self#getFilename + + method private ppFilename = + match guistuff.filenamedata with + | Some f,_ -> f + | None,_ -> sprintf ".unnamed%d.ma" scriptId + + initializer + 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 ]; + (** list of states before having executed statements. Head element of this + * list is the current state, last element is the state at the beginning of + * the script. + * Invariant: this list length is 1 + length of statements *) + + (** goal as seen by the user (i.e. metano corresponding to current tab) *) + val mutable userGoal = ~-1 + + (** text mark and tag representing locked part of a script *) + val locked_mark = + buffer#create_mark ~name:"locked" ~left_gravity:true buffer#start_iter + val locked_tag = buffer#create_tag [`BACKGROUND "lightblue"; `EDITABLE false] + val error_tag = buffer#create_tag [`UNDERLINE `SINGLE; `FOREGROUND "red"] + + method locked_mark = locked_mark + method locked_tag = locked_tag + + (* history can't be empty, the invariant above grant that it contains at + * least the init status *) + 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 ^ " ..."); + (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 + MatitaSync.time_travel ~present:cur_status ~past: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,status = + match statements,history with + stat::statements, _::(status::_ as history) -> + String.length stat, statements, history, status + | [],[_] -> raise Margin + | _,_ -> assert false + in + self#_retract cmp 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: MatitaTypes.status -> unit) = + observers <- o :: observers + + method private notify = + let status = self#status in + List.iter (fun o -> o 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 devel = MatitamakeLib.development_for_dir (Filename.dirname abspath) in + guistuff.filenamedata <- Some abspath, devel + + 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; + MatitaLog.debug ("backup " ^ f ^ " saved") + end + + method private goto_top = + 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#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; + guistuff.filenamedata <- + (None,MatitamakeLib.development_for_dir (Unix.getcwd ())); + 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, (status::_ as history) when len <= 0 -> + self#_retract (icmp - len) 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#status.proof_status with + | No_proof | Proof _ -> false + | Incomplete_proof _ -> true + | Intermediate _ -> assert false + +(* 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 (Ulexing.from_utf8_string s) in + match st with + | GrafiteAst.Comment (loc,_)-> + let parsed_text_length = snd (CicNotationPt.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 next + | GrafiteAst.Executable (loc, ex) -> false + in + try + is_there_and_executable s + with + | CicNotationParser.Parse_error _ -> false + | Margin | End_of_file -> true + + (* debug *) + method dump () = + MatitaLog.debug "script status:"; + MatitaLog.debug ("history size: " ^ string_of_int (List.length history)); + MatitaLog.debug (sprintf "%d statements:" (List.length statements)); + List.iter MatitaLog.debug statements; + MatitaLog.debug ("Current file name: " ^ + (match guistuff.filenamedata with + |None,_ -> "[ no name ]" + | Some f,_ -> f)); + +end + +let _script = ref None + +let script ~source_view ~init ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star () += + let s = new script + ~source_view ~init ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star () + in + _script := Some s; + s -let script ~interpreter = new script ~interpreter () +let current () = match !_script with None -> assert false | Some s -> s