X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaScript.ml;h=ad4592a67ec028c545afb948c88e5b51a949464a;hb=5022202a659044d981833ba8665424a52684b07f;hp=69334355fc6e60b4c4163276f74e134d72f5de13;hpb=f264827750988795bd85d0eb6a7d3ecf236d224e;p=helm.git
diff --git a/helm/matita/matitaScript.ml b/helm/matita/matitaScript.ml
index 69334355f..ad4592a67 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 +24,679 @@
*)
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)
- 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" ^ 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
+let debug = true
+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 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
- (** {3 script progress} *)
+let prepend_text header base =
+ if Pcre.pmatch ~rex:heading_nl_RE base then
+ sprintf "\n%s%s" header base
+ else
+ sprintf "%s\n%s" header base
- 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 =
+ (** 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))))
+
+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 TA = GrafiteAst in
+ 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 goal_changed = ref false in
+ let status =
+ match status.proof_status with
+ | Incomplete_proof (_, goal) when goal <> user_goal ->
+ goal_changed := true;
+ MatitaEngine.eval_ast ~include_paths:include_
+ ~do_heavy_checks:true status (goal_ast user_goal)
+ | _ -> status
+ in
+ let new_status =
+ MatitaEngine.eval_ast
+ ~include_paths:include_ ~do_heavy_checks:true status st
+ in
+ let new_aliases =
+ match ex with
+ | TA.Command (_, TA.Alias _)
+ | TA.Command (_, TA.Include _) -> DisambiguateTypes.Environment.empty
+ | _ -> MatitaSync.alias_diff ~from:status new_status
+ in
+ (* we remove the defined object since we consider them "automathic aliases" *)
+ let new_aliases =
+ let module DTE = DisambiguateTypes.Environment in
+ let module UM = UriManager in
+ DTE.fold (
+ fun k ((v,_) as value) acc ->
+ 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
+ acc
+ else
+ DTE.add k value acc
+ ) new_aliases DTE.empty
+ in
+ let new_text =
+ if DisambiguateTypes.Environment.is_empty new_aliases then
+ parsed_text
+ else
+ prepend_text (DisambiguatePp.pp_environment new_aliases)
+ parsed_text
+ in
+ let new_text =
+ if !goal_changed then
+ prepend_text
+ (TAPp.pp_tactic (TA.Goal (loc, user_goal))(* ^ "\n"*))
+ new_text
+ else
+ new_text
+ in
+ [ new_status, new_text ], 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 as exc ->
+ let compile_needed_and_go_on d =
+ let root = MatitamakeLib.root_for_development d in
+ let target = root ^ "/" ^ 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_withoud_devel filename =
+ 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" ^
+ "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
+ match guistuff.filenamedata with
+ | None,None -> handle_withoud_devel None
+ | None,Some d -> handle_with_devel d
+ | Some f,_ ->
+ match MatitamakeLib.development_for_dir (Filename.dirname f) with
+ | None -> handle_withoud_devel (Some f)
+ | Some d -> handle_with_devel d
+;;
+
+let disambiguate term status =
+ 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
+ match interps with
+ | [_,_,x,_] -> x
+ | _ -> assert false
+
+let eval_macro guistuff status parsed_text script mac
+=
+ let module TA = GrafiteAst in
+ 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 term status in
+ let l = MQ.match_term ~dbd term in
+ let entry = `Whelp (TAPp.pp_macro_cic (TA.WMatch (loc, term)), 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 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 term status in
+ let uri =
+ match term with
+ | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
+ | _ -> failwith "Not a MutInd"
+ in
+ 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 term status 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 s = MatitaMisc.get_proof_status status in
+ let l = List.map fst (MQ.experimental_hint ~dbd s) 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 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
+ | _ ->
+ 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 = MatitaMisc.get_proof_metasenv status in
+ let context = MatitaMisc.get_proof_context status in
+ let aliases = MatitaMisc.get_proof_aliases status in
+ let interps =
+ MatitaDisambiguator.disambiguate_term
+ dbd context metasenv aliases term
+ in
+ let _, metasenv , term, ugraph =
+ match interps with
+ | [x] -> x
+ | _ -> assert false
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
+ 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 parsed_text script ex =
+ let module TA = GrafiteAst in
+ 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 ML.baseuri_of_baseuri_decl (TA.Executable (loc,ex)) with
+ | None -> ()
+ | Some u ->
+ if not (ML.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 parsed_text script mac
+
+let rec eval_statement guistuff status user_goal script s =
+ if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
+ let st = GrafiteParser.parse_statement (Stream.of_string s) 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
+ 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 s - parsed_text_length in
+ let s = String.sub s parsed_text_length remain_len in
+ let s,len =
+ eval_statement guistuff status user_goal script s
+ in
+ (match s with
+ | (status, text) :: tl ->
+ ((status, parsed_text ^ text)::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
+
+let fresh_script_id =
+ let i = ref 0 in
+ fun () -> incr i; !i
+
+class script ~(view: GText.view)
+ ~(init: MatitaTypes.status)
+ ~(mathviewer: MatitaTypes.mathViewer)
+ ~set_star
+ ~ask_confirmation
+ ~urichooser
+ ~develcreator
+ () =
+let buffer = view#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 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#_saveToBackuptFile ();true));
+ ignore(buffer#connect#modified_changed
+ (fun _ -> if buffer#modified then
+ set_star self#ppFilename true
+ else
+ set_star self#ppFilename false))
+
+ 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]
+
+ method locked_mark = locked_mark
+
+ (* 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 s = match statement with Some s -> s | None -> self#getFuture in
+ MatitaLog.debug ("evaluating: " ^ first_line s ^ " ...");
+ let (entries, parsed_len) =
+ eval_statement guistuff self#status userGoal self s
+ in
+ let (new_statuses, new_statements) = List.split entries in
+(*
+prerr_endline "evalStatement returned";
+List.iter (fun s -> prerr_endline ("'" ^ s ^ "'")) new_statements;
+*)
+ 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 new_text <> String.sub s 0 parsed_len then
+ begin
+(* prerr_endline ("new:" ^ new_text); *)
+(* prerr_endline ("s:" ^ String.sub s 0 parsed_len); *)
+ let stop = start#copy#forward_chars parsed_len in
+ buffer#delete ~start ~stop;
+ buffer#insert ~iter:start new_text;
+(* prerr_endline "AUTOMATICALLY MODIFIED!!!!!" *)
end;
- res
+ self#moveMark (String.length new_text)
- method private forward () = ignore (self#_forward ())
+ 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 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
+ 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
- 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
+ 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;
+ 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 view#move_mark_onscreen mark then
+ begin
+ buffer#move_mark mark mark_position;
+ 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 () =
+ buffer#set_text (MatitaMisc.input_file self#getFilename);
+ self#goto_top;
+ 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 _saveToBackuptFile () =
+ 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;
+ statements <- [];
+ history <- [ init ];
+ userGoal <- ~-1;
+ 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;
+ buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
+ self#notify;
+ buffer#set_modified false
+
+ method template () =
+ let template = MatitaMisc.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
+
+ method goto (pos: [`Top | `Bottom | `Cursor]) () =
+ let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
+ match pos with
+ | `Top -> self#goto_top; self#notify
+ | `Bottom ->
+ (try
+ let rec dowhile pos =
+ self#_advance ();
+ if pos#compare (getpos ()) < 0 then
+ dowhile (getpos ())
+ in
+ dowhile (getpos ());
+ self#notify
+ with
+ | Margin -> self#notify
+ | exc -> 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 cmp = (locked_iter ())#offset - cursor_iter#offset in
+ let forward_until_cursor () = (* go forward until locked > cursor *)
+ let rec aux oldpos =
+ self#_advance ();
+ if (locked_iter ())#compare cursor_iter < 0 &&
+ oldpos#compare (getpos ()) < 0
+ then
+ aux (getpos ())
in
- items <- tl;
- self#lockScript last_offset
+ aux (getpos ())
+ in
+ let rec back_until_cursor len = (* go backward until locked < cursor *)
+ function
+ statements, (status::_ as history) when len <= 0 ->
+ self#_retract (cmp - len) status statements history
+ | statement::tl1, _::tl2 ->
+ back_until_cursor (len - String.length statement) (tl1,tl2)
+ | _,_ -> assert false
+ in
+ (try
+ if cmp < 0 then (* locked < cursor *)
+ (forward_until_cursor (); self#notify)
+ else if cmp > 0 then (* locked > cursor *)
+ (back_until_cursor cmp (statements,history); self#notify)
+ else (* cursor = locked *)
+ ()
+ with
+ | Margin -> self#notify
+ | exc -> self#notify; raise exc)
+
+ method onGoingProof () =
+ match self#status.proof_status with
+ | No_proof | Proof _ -> false
+ | 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 setGoal n = userGoal <- n
+
+ 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
+ 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 -> 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 ~view ~init ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
+=
+ let s = new script
+ ~view ~init ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
+ in
+ _script := Some s;
+ s
- end
+let instance () = match !_script with None -> assert false | Some s -> s
-let script ~interpreter = new script ~interpreter ()