+++ /dev/null
-(* Copyright (C) 2004-2005, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-(* $Id$ *)
-
-open Printf
-open GrafiteTypes
-
-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
-exception NoUnfinishedProof
-exception ActionCancelled
-
-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 = HExtlib.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 lexicon_status grafite_status user_goal
- parsed_text st
-=
- let module TAPp = GrafiteAstPp in
- let parsed_text_length = String.length parsed_text 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
- let inital_space,new_grafite_status,new_lexicon_status,new_status_and_text_list' =
- (* the code commented out adds the "select" command if needed *)
- initial_space,grafite_status,lexicon_status,[] in
-(* let loc, ex =
- match st with TA.Executable (loc,ex) -> loc, ex | _ -> assert false in
- match grafite_status.proof_status with
- | Incomplete_proof { stack = stack }
- when not (List.mem user_goal (Continuationals.head_goals stack)) ->
- let grafite_status =
- MatitaEngine.eval_ast
- ~do_heavy_checks:true grafite_status (goal_ast user_goal)
- in
- let initial_space = if initial_space = "" then "\n" else initial_space
- in
- "\n", grafite_status,
- [ grafite_status,
- initial_space ^ TAPp.pp_tactical (TA.Select (loc, [user_goal])) ]
- | _ -> initial_space,grafite_status,[] in *)
- let enriched_history_fragment =
- MatitaEngine.eval_ast ~do_heavy_checks:true
- new_lexicon_status new_grafite_status st
- in
- let _,new_text_list_rev =
- let module DTE = DisambiguateTypes.Environment in
- let module UM = UriManager in
- List.fold_right (
- fun (_,alias) (initial_space,acc) ->
- match alias with
- None -> initial_space,initial_space::acc
- | Some (k,((v,_) as value)) ->
- 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
- "\n",new_text::acc
- ) enriched_history_fragment (initial_space,[]) in
- let new_text_list_rev =
- match enriched_history_fragment,new_text_list_rev with
- (_,None)::_, initial_space::tl -> (initial_space ^ parsed_text)::tl
- | _,_ -> assert false
- in
- let res =
- try
- List.combine (fst (List.split enriched_history_fragment)) new_text_list_rev
- with
- Invalid_argument _ -> assert false
- in
- res,parsed_text_length
-
-let wrap_with_developments guistuff f arg =
- try
- f arg
- with
- | DependenciesParser.UnableToInclude what
- | LexiconEngine.IncludedFileNotCompiled what
- | GrafiteEngine.IncludedFileNotCompiled what as exc ->
- let compile_needed_and_go_on d =
- let target = Pcre.replace ~pat:"lexicon$" ~templ:"moo" what in
- let refresh_cb () =
- while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
- in
- if not(MatitamakeLib.build_development_in_bg ~target refresh_cb d) then
- raise exc
- else
- f arg
- in
- let do_nothing () = raise ActionCancelled 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 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
- 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 eval_with_engine
- guistuff lexicon_status grafite_status user_goal parsed_text st
-=
- wrap_with_developments guistuff
- (eval_with_engine
- guistuff lexicon_status grafite_status user_goal parsed_text) st
-;;
-
-let pp_eager_statement_ast =
- GrafiteAstPp.pp_statement ~term_pp:CicNotationPp.pp_term
- ~lazy_term_pp:(fun _ -> assert false) ~obj_pp:(fun _ -> assert false)
-
-let rec eval_macro include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script mac =
- let module TAPp = GrafiteAstPp in
- let module MQ = MetadataQuery in
- let module MDB = LibraryDb in
- let module CTC = CicTypeChecker in
- let module CU = CicUniv in
- (* no idea why ocaml wants this *)
- let parsed_text_length = String.length parsed_text in
- let dbd = LibraryDb.instance () in
- (* XXX use a real CIC -> string pretty printer *)
- let pp_macro = TAPp.pp_macro ~term_pp:CicPp.ppterm in
- match mac with
- (* WHELP's stuff *)
- | TA.WMatch (loc, term) ->
- let l = Whelp.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 l = Whelp.instance ~dbd term in
- let entry = `Whelp (pp_macro (TA.WInstance (loc, term)), l) in
- guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
- [], parsed_text_length
- | TA.WLocate (loc, s) ->
- let l = Whelp.locate ~dbd s in
- let entry = `Whelp (pp_macro (TA.WLocate (loc, s)), l) in
- guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
- [], parsed_text_length
- | TA.WElim (loc, term) ->
- let uri =
- match term with
- | Cic.MutInd (uri,n,_) -> UriManager.uri_of_uriref uri n None
- | _ -> failwith "Not a MutInd"
- in
- let l = Whelp.elim ~dbd uri in
- let entry = `Whelp (pp_macro (TA.WElim (loc, term)), l) in
- guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
- [], parsed_text_length
- | TA.WHint (loc, term) ->
- 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 (pp_macro (TA.WHint (loc, term)), l) in
- guistuff.mathviewer#show_uri_list ~reuse:true ~entry l;
- [], parsed_text_length
- (* REAL macro *)
- | TA.Hint loc ->
- let user_goal' =
- match user_goal with
- Some n -> n
- | None -> raise NoUnfinishedProof
- in
- let proof = GrafiteTypes.get_current_proof grafite_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 loc =
- TA.Executable (loc, (TA.Tactical (loc,
- TA.Tactic (loc,
- TA.Apply (loc, CicNotationPt.Uri (suri, None))),
- Some (TA.Dot loc)))) in
- let text =
- comment parsed_text ^ "\n" ^
- pp_eager_statement_ast (ast HExtlib.dummy_floc) in
- let text_len = String.length text in
- let loc = HExtlib.floc_of_loc (0,text_len) in
- let statement = `Ast (GrafiteParser.LSome (ast loc),text) in
- let res,_parsed_text_len =
- eval_statement include_paths buffer guistuff lexicon_status
- grafite_status user_goal script statement
- in
- (* we need to replace all the parsed_text *)
- res,String.length parsed_text
- | _ ->
- HLog.error
- "The result of the urichooser should be only 1 uri, not:\n";
- List.iter (
- fun u -> HLog.error (UriManager.string_of_uri u ^ "\n")
- ) selected;
- assert false)
- | TA.Check (_,term) ->
- let metasenv = GrafiteTypes.get_proof_metasenv grafite_status in
- let context =
- match user_goal with
- None -> []
- | Some n -> GrafiteTypes.get_proof_context grafite_status n in
- let ty,_ = CTC.type_of_aux' metasenv context term CicUniv.empty_ugraph in
- let t_and_ty = Cic.Cast (term,ty) in
- guistuff.mathviewer#show_entry (`Cic (t_and_ty,metasenv));
- [], parsed_text_length
- (* 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"
-
-and eval_executable include_paths (buffer : GText.buffer) guistuff lexicon_status grafite_status user_goal unparsed_text parsed_text script loc ex
-=
- let module TAPp = GrafiteAstPp in
- let module MD = GrafiteDisambiguator in
- let module ML = MatitaMisc in
- try
- begin
- match ex with
- | TA.Command (_,TA.Set (_,"baseuri",u)) ->
- if not (GrafiteMisc.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 ->
- let basedir = Helm_registry.get "matita.basedir" in
- LibraryClean.clean_baseuris ~basedir [u]
- | `NO -> ()
- | `CANCEL -> raise MatitaTypes.Cancel)
- | _ -> ()
- end;
- eval_with_engine
- guistuff lexicon_status grafite_status user_goal parsed_text
- (TA.Executable (loc, ex))
- with
- MatitaTypes.Cancel -> [], 0
- | GrafiteEngine.Macro (_loc,lazy_macro) ->
- let context =
- match user_goal with
- None -> []
- | Some n -> GrafiteTypes.get_proof_context grafite_status n in
- let grafite_status,macro = lazy_macro context in
- eval_macro include_paths buffer guistuff lexicon_status grafite_status
- user_goal unparsed_text parsed_text script macro
-
-and eval_statement include_paths (buffer : GText.buffer) guistuff lexicon_status
- grafite_status user_goal script statement
-=
- let (lexicon_status,st), unparsed_text =
- match statement with
- | `Raw text ->
- if Pcre.pmatch ~rex:only_dust_RE text then raise Margin;
- let ast =
- wrap_with_developments guistuff
- (GrafiteParser.parse_statement
- (Ulexing.from_utf8_string text) ~include_paths) lexicon_status
- in
- ast, text
- | `Ast (st, text) -> (lexicon_status, st), text
- in
- let text_of_loc loc =
- let parsed_text_length = snd (HExtlib.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
- | GrafiteParser.LNone loc ->
- let parsed_text, parsed_text_length = text_of_loc loc in
- [(grafite_status,lexicon_status),parsed_text],
- parsed_text_length
- | GrafiteParser.LSome (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 =
- try
- eval_statement include_paths buffer guistuff lexicon_status
- grafite_status user_goal script (`Raw s)
- with
- HExtlib.Localized (floc, exn) ->
- HExtlib.raise_localized_exception ~offset:parsed_text_length floc exn
- | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
- raise
- (GrafiteDisambiguator.DisambiguationError
- (offset+parsed_text_length, errorll))
- in
- (match s with
- | (statuses,text)::tl ->
- (statuses,parsed_text ^ text)::tl,parsed_text_length + len
- | [] -> [], 0)
- | GrafiteParser.LSome (GrafiteAst.Executable (loc, ex)) ->
- let parsed_text, parsed_text_length = text_of_loc loc in
- eval_executable include_paths buffer guistuff lexicon_status
- grafite_status user_goal unparsed_text parsed_text script loc ex
-
-let fresh_script_id =
- let i = ref 0 in
- fun () -> incr i; !i
-
-class script ~(source_view: GSourceView.source_view)
- ~(mathviewer: MatitaTypes.mathViewer)
- ~set_star
- ~ask_confirmation
- ~urichooser
- ~develcreator
- () =
-let buffer = source_view#buffer in
-let source_buffer = source_view#source_buffer in
-let initial_statuses =
- (* these include_paths are used only to load the initial notation *)
- let include_paths =
- Helm_registry.get_list Helm_registry.string "matita.includes" in
- let lexicon_status =
- CicNotation2.load_notation ~include_paths
- BuildTimeConf.core_notation_script in
- let grafite_status = GrafiteSync.init () in
- grafite_status,lexicon_status
-in
-object (self)
- val mutable include_paths =
- Helm_registry.get_list Helm_registry.string "matita.includes"
-
- 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 = [ initial_statuses ]
- (** 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 = None
-
- (** 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
- method error_tag = error_tag
-
- (* history can't be empty, the invariant above grant that it contains at
- * least the init grafite_status *)
- method grafite_status = match history with (s,_)::_ -> s | _ -> assert false
- method lexicon_status = match history with (_,ss)::_ -> ss | _ -> assert false
-
- method private _advance ?statement () =
- let s = match statement with Some s -> s | None -> self#getFuture in
- HLog.debug ("evaluating: " ^ first_line s ^ " ...");
- let (entries, parsed_len) =
- try
- eval_statement include_paths buffer guistuff self#lexicon_status
- self#grafite_status userGoal self (`Raw s)
- with End_of_file -> raise Margin
- in
- let new_statuses, new_statements =
- let statuses, texts = List.split entries in
- statuses, texts
- in
- history <- new_statuses @ history;
- statements <- new_statements @ statements;
- let start = buffer#get_iter_at_mark (`MARK locked_mark) in
- let new_text = String.concat "" (List.rev new_statements) in
- if statement <> None then
- buffer#insert ~iter:start new_text
- else begin
- if new_text <> String.sub s 0 parsed_len then begin
- buffer#delete ~start ~stop:(start#copy#forward_chars parsed_len);
- buffer#insert ~iter:start new_text;
- end;
- end;
- self#moveMark (String.length new_text);
- (* here we need to set the Goal in case we are going to cursor (or to
- bottom) and we will face a macro *)
- match self#grafite_status.proof_status with
- Incomplete_proof p ->
- userGoal <-
- (try Some (Continuationals.Stack.find_goal p.stack)
- with Failure _ -> None)
- | _ -> userGoal <- None
-
- method private _retract offset lexicon_status grafite_status new_statements
- new_history
- =
- let cur_grafite_status,cur_lexicon_status =
- match history with s::_ -> s | [] -> assert false
- in
- LexiconSync.time_travel ~present:cur_lexicon_status ~past:lexicon_status;
- GrafiteSync.time_travel ~present:cur_grafite_status ~past:grafite_status;
- statements <- new_statements;
- history <- new_history;
- self#moveMark (- offset)
-
- method advance ?statement () =
- try
- self#_advance ?statement ();
- self#notify
- with
- | Margin -> self#notify
- | exc -> self#notify; raise exc
-
- method retract () =
- try
- let cmp,new_statements,new_history,(grafite_status,lexicon_status) =
- match statements,history with
- stat::statements, _::(status::_ as history) ->
- String.length stat, statements, history, status
- | [],[_] -> raise Margin
- | _,_ -> assert false
- in
- self#_retract cmp lexicon_status grafite_status new_statements
- new_history;
- self#notify
- with
- | Margin -> self#notify
- | exc -> self#notify; raise exc
-
- method private getFuture =
- buffer#get_text ~start:(buffer#get_iter_at_mark (`MARK locked_mark))
- ~stop:buffer#end_iter ()
-
-
- (** @param rel_offset relative offset from current position of locked_mark *)
- method private moveMark rel_offset =
- let mark = `MARK locked_mark in
- let old_insert = buffer#get_iter_at_mark `INSERT in
- buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
- let current_mark_pos = buffer#get_iter_at_mark mark in
- let new_mark_pos =
- match rel_offset with
- | 0 -> current_mark_pos
- | n when n > 0 -> current_mark_pos#forward_chars n
- | n (* when n < 0 *) -> current_mark_pos#backward_chars (abs n)
- in
- buffer#move_mark mark ~where:new_mark_pos;
- buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:new_mark_pos;
- buffer#move_mark `INSERT old_insert;
- let mark_position = buffer#get_iter_at_mark mark in
- if source_view#move_mark_onscreen mark then
- begin
- buffer#move_mark mark mark_position;
- source_view#scroll_to_mark ~use_align:true ~xalign:1.0 ~yalign:0.1 mark;
- end;
- while Glib.Main.pending () do ignore(Glib.Main.iteration false); done
-
- method clean_dirty_lock =
- let lock_mark_iter = buffer#get_iter_at_mark (`MARK locked_mark) in
- buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
- buffer#apply_tag locked_tag ~start:buffer#start_iter ~stop:lock_mark_iter
-
- val mutable observers = []
-
- method addObserver (o: LexiconEngine.status -> GrafiteTypes.status -> unit) =
- observers <- o :: observers
-
- method private notify =
- let lexicon_status = self#lexicon_status in
- let grafite_status = self#grafite_status in
- List.iter (fun o -> o lexicon_status grafite_status) observers
-
- method loadFromFile f =
- buffer#set_text (HExtlib.input_file f);
- self#reset_buffer;
- buffer#set_modified false
-
- method assignFileName file =
- let abspath = MatitaMisc.absolute_path file in
- let dirname = Filename.dirname abspath in
- let devel = MatitamakeLib.development_for_dir dirname in
- guistuff.filenamedata <- Some abspath, devel;
- let include_ =
- match MatitamakeLib.development_for_dir dirname with
- None -> []
- | Some devel -> [MatitamakeLib.root_for_development devel] in
- let include_ =
- include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
- in
- include_paths <- include_
-
- method saveToFile () =
- let oc = open_out self#getFilename in
- output_string oc (buffer#get_text ~start:buffer#start_iter
- ~stop:buffer#end_iter ());
- close_out oc;
- buffer#set_modified false
-
- method private _saveToBackupFile () =
- if buffer#modified then
- begin
- let f = self#ppFilename ^ "~" in
- let oc = open_out f in
- output_string oc (buffer#get_text ~start:buffer#start_iter
- ~stop:buffer#end_iter ());
- close_out oc;
- HLog.debug ("backup " ^ f ^ " saved")
- end
-
- method private goto_top =
- let grafite_status,lexicon_status =
- let rec last x = function
- | [] -> x
- | hd::tl -> last hd tl
- in
- last (self#grafite_status,self#lexicon_status) history
- in
- (* FIXME: this is not correct since there is no undo for
- * library_objects.set_default... *)
- GrafiteSync.time_travel ~present:self#grafite_status ~past:grafite_status;
- LexiconSync.time_travel ~present:self#lexicon_status ~past:lexicon_status
-
- method private reset_buffer =
- statements <- [];
- history <- [ initial_statuses ];
- userGoal <- None;
- self#notify;
- buffer#remove_tag locked_tag ~start:buffer#start_iter ~stop:buffer#end_iter;
- buffer#move_mark (`MARK locked_mark) ~where:buffer#start_iter
-
- method reset () =
- self#reset_buffer;
- source_buffer#begin_not_undoable_action ();
- buffer#delete ~start:buffer#start_iter ~stop:buffer#end_iter;
- source_buffer#end_not_undoable_action ();
- buffer#set_modified false;
-
- method template () =
- let template = HExtlib.input_file BuildTimeConf.script_template in
- buffer#insert ~iter:(buffer#get_iter `START) template;
- let development = MatitamakeLib.development_for_dir (Unix.getcwd ()) in
- guistuff.filenamedata <- (None,development);
- let include_ =
- match development with
- None -> []
- | Some devel -> [MatitamakeLib.root_for_development devel ]
- in
- let include_ =
- include_ @ (Helm_registry.get_list Helm_registry.string "matita.includes")
- in
- include_paths <- include_ ;
- buffer#set_modified false;
- set_star (Filename.basename self#ppFilename) false
-
- method goto (pos: [`Top | `Bottom | `Cursor]) () =
- let old_locked_mark =
- `MARK
- (buffer#create_mark ~name:"old_locked_mark"
- ~left_gravity:true (buffer#get_iter_at_mark (`MARK locked_mark))) in
- let getpos _ = buffer#get_iter_at_mark (`MARK locked_mark) in
- let getoldpos _ = buffer#get_iter_at_mark old_locked_mark in
- let dispose_old_locked_mark () = buffer#delete_mark old_locked_mark in
- match pos with
- | `Top ->
- dispose_old_locked_mark ();
- self#goto_top;
- self#reset_buffer;
- self#notify
- | `Bottom ->
- (try
- let rec dowhile () =
- self#_advance ();
- let newpos = getpos () in
- if (getoldpos ())#compare newpos < 0 then
- begin
- buffer#move_mark old_locked_mark newpos;
- dowhile ()
- end
- in
- dowhile ();
- dispose_old_locked_mark ();
- self#notify
- with
- | Margin -> dispose_old_locked_mark (); self#notify
- | exc -> dispose_old_locked_mark (); self#notify; raise exc)
- | `Cursor ->
- let locked_iter () = buffer#get_iter_at_mark (`NAME "locked") in
- let cursor_iter () = buffer#get_iter_at_mark `INSERT in
- let remember =
- `MARK
- (buffer#create_mark ~name:"initial_insert"
- ~left_gravity:true (cursor_iter ())) in
- let dispose_remember () = buffer#delete_mark remember in
- let remember_iter () =
- buffer#get_iter_at_mark (`NAME "initial_insert") in
- let cmp () = (locked_iter ())#offset - (remember_iter ())#offset in
- let icmp = cmp () in
- let forward_until_cursor () = (* go forward until locked > cursor *)
- let rec aux () =
- self#_advance ();
- if cmp () < 0 && (getoldpos ())#compare (getpos ()) < 0
- then
- begin
- buffer#move_mark old_locked_mark (getpos ());
- aux ()
- end
- in
- aux ()
- in
- let rec back_until_cursor len = (* go backward until locked < cursor *)
- function
- statements, ((grafite_status,lexicon_status)::_ as history)
- when len <= 0 ->
- self#_retract (icmp - len) lexicon_status grafite_status statements
- history
- | statement::tl1, _::tl2 ->
- back_until_cursor (len - String.length statement) (tl1,tl2)
- | _,_ -> assert false
- in
- (try
- begin
- if icmp < 0 then (* locked < cursor *)
- (forward_until_cursor (); self#notify)
- else if icmp > 0 then (* locked > cursor *)
- (back_until_cursor icmp (statements,history); self#notify)
- else (* cursor = locked *)
- ()
- end ;
- dispose_remember ();
- dispose_old_locked_mark ();
- with
- | Margin -> dispose_remember (); dispose_old_locked_mark (); self#notify
- | exc -> dispose_remember (); dispose_old_locked_mark ();
- self#notify; raise exc)
-
- method onGoingProof () =
- match self#grafite_status.proof_status with
- | No_proof | Proof _ -> false
- | Incomplete_proof _ -> true
- | Intermediate _ -> assert false
-
-(* method proofStatus = MatitaTypes.get_proof_status self#status *)
- method proofMetasenv = GrafiteTypes.get_proof_metasenv self#grafite_status
-
- method proofContext =
- match userGoal with
- None -> []
- | Some n -> GrafiteTypes.get_proof_context self#grafite_status n
-
- method proofConclusion =
- match userGoal with
- None -> assert false
- | Some n ->
- GrafiteTypes.get_proof_conclusion self#grafite_status n
-
- method stack = GrafiteTypes.get_stack self#grafite_status
- method setGoal n = userGoal <- n
- method goal = userGoal
-
- method eos =
- let s = self#getFuture in
- let rec is_there_only_comments lexicon_status s =
- if Pcre.pmatch ~rex:only_dust_RE s then raise Margin;
- let lexicon_status,st =
- GrafiteParser.parse_statement (Ulexing.from_utf8_string s)
- ~include_paths lexicon_status
- in
- match st with
- | GrafiteParser.LSome (GrafiteAst.Comment (loc,_)) ->
- let parsed_text_length = snd (HExtlib.loc_of_floc loc) in
- let remain_len = String.length s - parsed_text_length in
- let next = String.sub s parsed_text_length remain_len in
- is_there_only_comments lexicon_status next
- | GrafiteParser.LNone _
- | GrafiteParser.LSome (GrafiteAst.Executable _) -> false
- in
- try
- is_there_only_comments self#lexicon_status s
- with
- | CicNotationParser.Parse_error _ -> false
- | Margin | End_of_file -> true
-
- (* debug *)
- method dump () =
- HLog.debug "script status:";
- HLog.debug ("history size: " ^ string_of_int (List.length history));
- HLog.debug (sprintf "%d statements:" (List.length statements));
- List.iter HLog.debug statements;
- HLog.debug ("Current file name: " ^
- (match guistuff.filenamedata with
- |None,_ -> "[ no name ]"
- | Some f,_ -> f));
-
-end
-
-let _script = ref None
-
-let script ~source_view ~mathviewer ~urichooser ~develcreator ~ask_confirmation ~set_star ()
-=
- let s = new script
- ~source_view ~mathviewer ~ask_confirmation ~urichooser ~develcreator ~set_star ()
- in
- _script := Some s;
- s
-
-let current () = match !_script with None -> assert false | Some s -> s
-