-(* 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
*)
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 <b>" ^ name ^ "</b>.\n\n" ^
+ "<i>Should I compile it and Its dependencies?</i>"
+ 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 <b>not</b> handled by a development.\n" ^
+ "All dependencies are automatically solved for a development.\n\n" ^
+ "<i>Do you want to set up a development?</i>"
+ 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