src/Pure/Thy/thy_info.ML
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require_thy: explicit tasks graph; added sequential scheduler; internal tuning;
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(*  Title:      Pure/Thy/thy_info.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Main part of theory loader database, including handling of theory and
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file dependencies.
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*)
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signature BASIC_THY_INFO =
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sig
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  val theory: string -> theory
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(*val use: string -> unit*)             (*exported later*)
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  val time_use: string -> unit
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  val touch_thy: string -> unit
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  val use_thy: string -> unit
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  val use_thys: string list -> unit
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  val update_thy: string -> unit
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  val remove_thy: string -> unit
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  val time_use_thy: string -> unit
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end;
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signature THY_INFO =
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sig
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  include BASIC_THY_INFO
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  datatype action = Update | Outdate | Remove
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  val str_of_action: action -> string
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  val add_hook: (action -> string -> unit) -> unit
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  val names: unit -> string list
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  val known_thy: string -> bool
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  val check_known_thy: string -> bool
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  val if_known_thy: (string -> unit) -> string -> unit
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  val lookup_theory: string -> theory option
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  val get_theory: string -> theory
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  val the_theory: string -> theory -> theory
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  val get_parents: string -> string list
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  val loaded_files: string -> Path.T list
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  val touch_child_thys: string -> unit
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  val touch_all_thys: unit -> unit
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  val load_file: bool -> Path.T -> unit
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  val use: string -> unit
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  val pretend_use_thy_only: string -> unit
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  val begin_theory: string -> string list -> (Path.T * bool) list -> bool -> theory
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  val end_theory: theory -> theory
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  val finish: unit -> unit
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  val register_theory: theory -> unit
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  val pretty_theory: theory -> Pretty.T
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end;
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structure ThyInfo: THY_INFO =
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struct
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(** theory loader actions and hooks **)
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datatype action = Update | Outdate | Remove;
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val str_of_action = fn Update => "Update" | Outdate => "Outdate" | Remove => "Remove";
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local
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  val hooks = ref ([]: (action -> string -> unit) list);
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in
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  fun add_hook f = CRITICAL (fn () => change hooks (cons f));
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  fun perform action name = List.app (fn f => (try (fn () => f action name) (); ())) (! hooks);
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end;
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(** thy database **)
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(* messages *)
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fun loader_msg txt [] = "Theory loader: " ^ txt
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  | loader_msg txt names = "Theory loader: " ^ txt ^ " " ^ commas_quote names;
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val show_path = space_implode " via " o map quote;
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fun cycle_msg names = loader_msg ("cyclic dependency of " ^ show_path names) [];
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(* derived graph operations *)
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fun add_deps name parents G = Graph.add_deps_acyclic (name, parents) G
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  handle Graph.CYCLES namess => error (cat_lines (map cycle_msg namess));
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fun upd_deps name entry G =
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  fold (fn parent => Graph.del_edge (parent, name)) (Graph.imm_preds G name) G
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  |> Graph.map_node name (K entry);
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fun new_deps name parents entry G =
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  (if can (Graph.get_node G) name then upd_deps name entry G else Graph.new_node (name, entry) G)
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  |> add_deps name parents;
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(* thy database *)
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type master = (Path.T * File.ident) * (Path.T * File.ident) option;
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type deps =
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  {outdated: bool,              (*entry considered outdated*)
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    master: master option,      (*master dependencies for thy + attached ML file*)
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    parents: string list,       (*source specification of parents (partially qualified)*)
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    files:                      (*auxiliary files: source path, physical path + identifier*)
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      (Path.T * (Path.T * File.ident) option) list};
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fun make_deps outdated master parents files : deps =
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  {outdated = outdated, master = master, parents = parents, files = files};
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fun init_deps master parents files =
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  SOME (make_deps true master parents (map (rpair NONE) files));
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fun master_idents (NONE: master option) = []
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  | master_idents (SOME ((_, thy_id), NONE)) = [thy_id]
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  | master_idents (SOME ((_, thy_id), SOME (_, ml_id))) = [thy_id, ml_id];
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fun master_dir (NONE: master option) = Path.current
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  | master_dir (SOME ((path, _), _)) = Path.dir path;
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fun master_dir' (d: deps option) = the_default Path.current (Option.map (master_dir o #master) d);
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fun master_dir'' d = the_default Path.current (Option.map master_dir' d);
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fun base_name s = Path.implode (Path.base (Path.explode s));
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type thy = deps option * theory option;
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local
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  val database = ref (Graph.empty: thy Graph.T);
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in
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  fun get_thys () = ! database;
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  fun change_thys f = CRITICAL (fn () => Library.change database f);
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end;
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(* access thy graph *)
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fun thy_graph f x = f (get_thys ()) x;
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fun get_names () = Graph.topological_order (get_thys ());
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(* access thy *)
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fun lookup_thy name =
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  SOME (thy_graph Graph.get_node name) handle Graph.UNDEF _ => NONE;
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val known_thy = is_some o lookup_thy;
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fun check_known_thy name = known_thy name orelse (warning ("Unknown theory " ^ quote name); false);
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fun if_known_thy f name = if check_known_thy name then f name else ();
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fun get_thy name =
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  (case lookup_thy name of
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    SOME thy => thy
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  | NONE => error (loader_msg "nothing known about theory" [name]));
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fun change_thy name f = CRITICAL (fn () =>
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  (get_thy name; change_thys (Graph.map_node name f)));
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(* access deps *)
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val lookup_deps = Option.map #1 o lookup_thy;
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val get_deps = #1 o get_thy;
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fun change_deps name f = change_thy name (fn (deps, x) => (f deps, x));
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fun is_finished name = is_none (get_deps name);
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fun get_files name = (case get_deps name of SOME {files, ...} => files | _ => []);
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fun loaded_files name =
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  (case get_deps name of
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    NONE => []
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  | SOME {master, files, ...} =>
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      (case master of SOME ((thy_path, _), _) => [thy_path] | NONE => []) @
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      (map_filter (Option.map #1 o #2) files));
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fun get_parents name =
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  thy_graph Graph.imm_preds name handle Graph.UNDEF _ =>
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    error (loader_msg "nothing known about theory" [name]);
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(* pretty printing a theory *)
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local
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fun relevant_names names =
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  let
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    val (finished, unfinished) =
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      List.filter (fn name => name = Context.draftN orelse known_thy name) names
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      |> List.partition (fn name => name <> Context.draftN andalso is_finished name);
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  in (if not (null finished) then [List.last finished] else []) @ unfinished end;
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in
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fun pretty_theory thy =
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  Pretty.str_list "{" "}" (relevant_names (Context.names_of thy));
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end;
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(* access theory *)
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fun lookup_theory name =
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  (case lookup_thy name of
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    SOME (_, SOME thy) => SOME thy
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  | _ => NONE);
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fun get_theory name =
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  (case lookup_theory name of
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    SOME theory => theory
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  | _ => error (loader_msg "undefined theory entry for" [name]));
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fun the_theory name thy =
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  if Context.theory_name thy = name then thy
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  else get_theory name;
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val _ = ML_Context.value_antiq "theory"
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  (Scan.lift Args.name
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    >> (fn name => (name ^ "_thy", "ThyInfo.theory " ^ ML_Syntax.print_string name))
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  || Scan.succeed ("thy", "ML_Context.the_context ()"));
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(** thy operations **)
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(* maintain 'outdated' flag *)
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local
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fun is_outdated name =
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  (case lookup_deps name of
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    SOME (SOME {outdated, ...}) => outdated
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  | _ => false);
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fun outdate_thy name =
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  if is_finished name orelse is_outdated name then ()
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  else CRITICAL (fn () =>
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   (change_deps name (Option.map (fn {outdated = _, master, parents, files} =>
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    make_deps true master parents files)); perform Outdate name));
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fun check_unfinished name =
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  if is_finished name then (warning (loader_msg "tried to touch finished theory" [name]); NONE)
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  else SOME name;
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in
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fun touch_thys names =
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  List.app outdate_thy (thy_graph Graph.all_succs (map_filter check_unfinished names));
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fun touch_thy name = touch_thys [name];
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fun touch_child_thys name = touch_thys (thy_graph Graph.imm_succs name);
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fun touch_all_thys () = List.app outdate_thy (get_names ());
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end;
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(* check 'finished' state *)
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fun check_unfinished fail name =
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  if known_thy name andalso is_finished name then
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    fail (loader_msg "cannot update finished theory" [name])
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  else ();
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ad714526c23e may_load_file;
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(* load_file *)
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local
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fun provide path name info (deps as SOME {outdated, master, parents, files}) =
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     (if AList.defined (op =) files path then ()
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      else warning (loader_msg "undeclared dependency of theory" [name] ^
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        " on file: " ^ quote (Path.implode path));
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      SOME (make_deps outdated master parents (AList.update (op =) (path, SOME info) files)))
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  | provide _ _ _ NONE = NONE;
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fun run_file path =
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  (case Option.map (Context.theory_name o Context.the_theory) (ML_Context.get_context ()) of
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    NONE => (ThyLoad.load_ml Path.current path; ())
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  | SOME name =>
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      (case lookup_deps name of
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        SOME deps =>
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          change_deps name (provide path name (ThyLoad.load_ml (master_dir' deps) path))
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      | NONE => (ThyLoad.load_ml Path.current path; ())));
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in
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fun load_file time path = Output.toplevel_errors (fn () =>
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  if time then
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    let val name = Path.implode path in
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      timeit (fn () =>
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       (priority ("\n**** Starting file " ^ quote name ^ " ****");
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        run_file path;
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        priority ("**** Finished file " ^ quote name ^ " ****\n")))
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    end
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  else run_file path) ();
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val use = load_file false o Path.explode;
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val time_use = load_file true o Path.explode;
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end;
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(* load_thy *)
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fun required_by _ [] = ""
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  | required_by s initiators = s ^ "(required by " ^ show_path (rev initiators) ^ ")";
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fun load_thy really ml time initiators dir name =
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  let
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    val _ =
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      if really then priority ("Loading theory " ^ quote name ^ required_by " " initiators)
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      else priority ("Registering theory " ^ quote name);
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    val _ = touch_thy name;
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    val master =
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      if really then ThyLoad.load_thy dir name ml (time orelse ! Output.timing)
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      else #1 (ThyLoad.deps_thy dir name ml);
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    val files = get_files name;
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    val missing_files = map_filter (fn (path, NONE) => SOME (Path.implode path) | _ => NONE) files;
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  in
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    if null missing_files then ()
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    else warning (loader_msg "unresolved dependencies of theory" [name] ^
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      " on file(s): " ^ commas_quote missing_files);
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    CRITICAL (fn () =>
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     (change_deps name
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        (Option.map (fn {parents, ...} => make_deps false (SOME master) parents files));
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parents: 23910
diff changeset
   325
      perform Update name))
7099
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   326
  end;
8142ccd13963 added update_thy_only;
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parents: 7066
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   327
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   328
23967
92130b24e87f require_thy: explicit tasks graph;
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parents: 23939
diff changeset
   329
(* require_thy -- checking database entries wrt. the file-system *)
15065
9feac0b7f935 Some changes to allow qualified theory import.
berghofe
parents: 14981
diff changeset
   330
7211
8e4aa9044599 fixed thy_only;
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parents: 7191
diff changeset
   331
local
6211
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parents: 5211
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   332
23886
f40fba467384 simplified ThyLoad interfaces: only one additional directory;
wenzelm
parents: 23871
diff changeset
   333
fun check_ml master (src_path, info) =
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   334
  let val info' =
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   335
    (case info of NONE => NONE
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   336
    | SOME (_, id) =>
23886
f40fba467384 simplified ThyLoad interfaces: only one additional directory;
wenzelm
parents: 23871
diff changeset
   337
        (case ThyLoad.check_ml (master_dir master) src_path of NONE => NONE
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   338
        | SOME (path', id') => if id <> id' then NONE else SOME (path', id')))
23886
f40fba467384 simplified ThyLoad interfaces: only one additional directory;
wenzelm
parents: 23871
diff changeset
   339
  in (src_path, info') end;
6211
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wenzelm
parents: 5211
diff changeset
   340
23886
f40fba467384 simplified ThyLoad interfaces: only one additional directory;
wenzelm
parents: 23871
diff changeset
   341
fun check_deps ml strict dir name =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   342
  (case lookup_deps name of
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   343
    SOME NONE => (true, NONE, get_parents name)
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
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parents: 23886
diff changeset
   344
  | NONE =>
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   345
      let val (master, (parents, files)) = ThyLoad.deps_thy dir name ml
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   346
      in (false, init_deps (SOME master) parents files, parents) end
23910
30e1eb0c5b2f added simultaneous use_thys;
wenzelm
parents: 23900
diff changeset
   347
  | SOME (deps as SOME {outdated, master, parents, files}) =>
30e1eb0c5b2f added simultaneous use_thys;
wenzelm
parents: 23900
diff changeset
   348
      if not strict andalso can get_theory name then (true, deps, parents)
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   349
      else
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   350
        let val master' = SOME (ThyLoad.check_thy dir name ml) in
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   351
          if master_idents master <> master_idents master'
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   352
          then
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   353
            let val (parents', files') = #2 (ThyLoad.deps_thy dir name ml)
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   354
            in (false, init_deps master' parents' files', parents') end
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   355
          else
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   356
            let
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   357
              val checked_files = map (check_ml master') files;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   358
              val current = not outdated andalso forall (is_some o snd) checked_files;
23910
30e1eb0c5b2f added simultaneous use_thys;
wenzelm
parents: 23900
diff changeset
   359
              val deps' = SOME (make_deps (not current) master' parents checked_files);
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   360
            in (current, deps', parents) end
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   361
        end);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   362
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   363
in
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   364
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   365
fun require_thys really ml time strict keep_strict initiators dir strs tasks_visited =
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   366
  fold_map (require_thy really ml time strict keep_strict initiators dir) strs tasks_visited
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   367
  |>> forall I
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   368
and require_thy really ml time strict keep_strict initiators dir str (tasks, visited) =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   369
  let
21858
05f57309170c avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents: 20664
diff changeset
   370
    val path = Path.expand (Path.explode str);
05f57309170c avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents: 20664
diff changeset
   371
    val name = Path.implode (Path.base path);
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   372
    val dir' = Path.append dir (Path.dir path);
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   373
    val _ = member (op =) initiators name andalso error (cycle_msg initiators);
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   374
  in
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   375
    (case AList.lookup (op =) visited name of
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   376
      SOME current => (current, (tasks, visited))
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   377
    | NONE =>
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   378
        let
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   379
          val (current, deps, parents) = check_deps ml strict dir' name
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   380
            handle ERROR msg => cat_error msg
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   381
              (loader_msg "the error(s) above occurred while examining theory" [name] ^
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   382
                required_by "\n" initiators);
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   383
          val parent_names = map base_name parents;
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   384
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   385
          val (parents_current, (tasks', visited')) =
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   386
            require_thys true true time (strict andalso keep_strict) keep_strict
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   387
              (name :: initiators) (Path.append dir (master_dir' deps))
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   388
              parents (tasks, visited);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   389
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   390
          val all_current = current andalso parents_current;
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   391
          val thy = if all_current orelse not really then SOME (get_theory name) else NONE;
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   392
          val _ = change_thys (new_deps name parent_names (deps, thy));
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   393
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   394
          val tasks'' = tasks' |> new_deps name parent_names
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   395
            (fn () => if all_current then () else load_thy really ml time initiators dir' name);
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   396
          val visited'' = (name, all_current) :: visited';
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   397
        in (all_current, (tasks'', visited'')) end)
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   398
  end;
6484
3f098b0ec683 use_thy etc.: may specify path prefix, which is temporarily used as load path;
wenzelm
parents: 6389
diff changeset
   399
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   400
end;
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   401
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   402
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   403
(* variations on use_thy *)
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   404
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   405
local
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   406
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   407
fun schedule_seq tasks =
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   408
  Graph.topological_order tasks |> List.app (fn name => Graph.get_node tasks name ());
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   409
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   410
fun schedule_tasks tasks =
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   411
  let val m = ! Multithreading.number_of_threads in
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   412
    if m <= 1 then schedule_seq tasks
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   413
    else if Multithreading.self_critical () then
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   414
     (warning (loader_msg "no multithreading within critical section" []);
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   415
      schedule_seq tasks)
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   416
    else sys_error "No multithreading scheduler yet"
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   417
  end;
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   418
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   419
fun gen_use_thy' req dir arg = Output.toplevel_errors (fn () =>
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   420
  let val (_, (tasks, _)) = req [] dir arg (Graph.empty, [])
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   421
  in schedule_tasks tasks end) ();
6241
d3c6184ca6c5 time_use made pervasive;
wenzelm
parents: 6233
diff changeset
   422
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   423
fun gen_use_thy req str =
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   424
  let val name = base_name str in
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   425
    check_unfinished warning name;
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   426
    gen_use_thy' req Path.current str;
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   427
    ML_Context.set_context (SOME (Context.Theory (get_theory name)))
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   428
  end;
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   429
7211
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   430
in
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   431
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   432
val quiet_update_thys    = gen_use_thy' (require_thys true true false true true);
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   433
val pretend_use_thy_only = gen_use_thy' (require_thy false false false true false) Path.current;
23910
30e1eb0c5b2f added simultaneous use_thys;
wenzelm
parents: 23900
diff changeset
   434
val use_thys             = gen_use_thy' (require_thys true true false true false) Path.current;
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   435
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   436
val use_thy              = gen_use_thy (require_thy true true false true false);
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   437
val time_use_thy         = gen_use_thy (require_thy true true true true false);
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   438
val update_thy           = gen_use_thy (require_thy true true false true true);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   439
7211
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   440
end;
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   441
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   442
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   443
(* remove_thy *)
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   444
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   445
fun remove_thy name =
7910
e54db490c537 added known_thy;
wenzelm
parents: 7892
diff changeset
   446
  if is_finished name then error (loader_msg "cannot remove finished theory" [name])
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   447
  else
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   448
    let val succs = thy_graph Graph.all_succs [name] in
9778
1f6dca5c4bbb replaced writeln by priority;
wenzelm
parents: 9490
diff changeset
   449
      priority (loader_msg "removing" succs);
23939
e543359fe8b6 marked some CRITICAL sections;
wenzelm
parents: 23910
diff changeset
   450
      CRITICAL (fn () => (List.app (perform Remove) succs; change_thys (Graph.del_nodes succs)))
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   451
    end;
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   452
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   453
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   454
(* begin / end theory *)
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   455
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   456
fun check_uses name uses =
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   457
  let val illegal = map (fn ext => Path.ext ext (Path.basic name)) ("" :: ThyLoad.ml_exts) in
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   458
    (case find_first (member (op =) illegal o Path.base o Path.expand o #1) uses of
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   459
      NONE => ()
21858
05f57309170c avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents: 20664
diff changeset
   460
    | SOME (path, _) => error ("Illegal use of theory ML file: " ^ quote (Path.implode path)))
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   461
  end;
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   462
23900
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   463
fun begin_theory name parents uses int =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   464
  let
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   465
    val parent_names = map base_name parents;
23886
f40fba467384 simplified ThyLoad interfaces: only one additional directory;
wenzelm
parents: 23871
diff changeset
   466
    val dir = master_dir'' (lookup_deps name);
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   467
    val _ = check_unfinished error name;
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   468
    val _ = if int then quiet_update_thys dir parents else ();
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   469
    (* FIXME tmp *)
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   470
    val _ = ML_Context.set_context (SOME (Context.Theory (get_theory (List.last parent_names))));
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   471
    val _ = check_uses name uses;
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   472
23900
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   473
    val theory =
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   474
      Theory.begin_theory name (map get_theory parent_names)
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   475
      |> Present.begin_theory dir uses;
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   476
7952
43d3e087688c quiet_update_thy: ml flag;
wenzelm
parents: 7941
diff changeset
   477
    val deps =
43d3e087688c quiet_update_thy: ml flag;
wenzelm
parents: 7941
diff changeset
   478
      if known_thy name then get_deps name
23893
8babfcaaf129 deps: maintain source specification of parents (prevents repeated ThyLoad.deps_thy);
wenzelm
parents: 23886
diff changeset
   479
      else init_deps NONE parents (map #1 uses);
23967
92130b24e87f require_thy: explicit tasks graph;
wenzelm
parents: 23939
diff changeset
   480
    val _ = change_thys (new_deps name parent_names (deps, NONE));
9451
5c25ed3c10a0 begin_theory: store *copy* of initial theory;
wenzelm
parents: 9417
diff changeset
   481
23900
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   482
    val uses_now = map_filter (fn (x, true) => SOME x | _ => NONE) uses;
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   483
    val ((), theory') =
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   484
      ML_Context.pass_context (Context.Theory theory) (List.app (load_file false)) uses_now
22086
cf6019fece63 adapted ML context operations;
wenzelm
parents: 21858
diff changeset
   485
      ||> Context.the_theory;
23900
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   486
  in theory' end;
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   487
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   488
fun end_theory theory =
7099
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   489
  let
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   490
    val name = Context.theory_name theory;
16504
7c1cb7ce24eb Theory.begin/end_theory;
wenzelm
parents: 16454
diff changeset
   491
    val theory' = Theory.end_theory theory;
23900
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   492
    val _ = change_thy name (fn (deps, _) => (deps, SOME theory'));
b25b1444a246 begin_theory: simplified interface, keep thy info empty until end_theory;
wenzelm
parents: 23893
diff changeset
   493
  in theory' end;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   494
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   495
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   496
(* finish all theories *)
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   497
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   498
fun finish () = change_thys (Graph.map_nodes (fn (_, entry) => (NONE, entry)));
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   499
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   500
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   501
(* register existing theories *)
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   502
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   503
fun register_theory theory =
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   504
  let
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   505
    val name = Context.theory_name theory;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   506
    val parents = Theory.parents_of theory;
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   507
    val parent_names = map Context.theory_name parents;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   508
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   509
    fun err txt bads =
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   510
      error (loader_msg txt bads ^ "\ncannot register theory " ^ quote name);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   511
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   512
    val nonfinished = filter_out is_finished parent_names;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   513
    fun get_variant (x, y_name) =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   514
      if Theory.eq_thy (x, get_theory y_name) then NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   515
      else SOME y_name;
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19473
diff changeset
   516
    val variants = map_filter get_variant (parents ~~ parent_names);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   517
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   518
    fun register G =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   519
      (Graph.new_node (name, (NONE, SOME theory)) G
9327
wenzelm
parents: 9137
diff changeset
   520
        handle Graph.DUP _ => err "duplicate theory entry" [])
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   521
      |> add_deps name parent_names;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   522
  in
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   523
    if not (null nonfinished) then err "non-finished parent theories" nonfinished
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   524
    else if not (null variants) then err "different versions of parent theories" variants
23939
e543359fe8b6 marked some CRITICAL sections;
wenzelm
parents: 23910
diff changeset
   525
    else CRITICAL (fn () => (change_thys register; perform Update name))
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   526
  end;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   527
15801
d2f5ca3c048d superceded by Pure.thy and CPure.thy;
wenzelm
parents: 15633
diff changeset
   528
val _ = register_theory ProtoPure.thy;
d2f5ca3c048d superceded by Pure.thy and CPure.thy;
wenzelm
parents: 15633
diff changeset
   529
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   530
(*final declarations of this structure*)
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   531
val theory = get_theory;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   532
val names = get_names;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   533
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   534
end;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   535
5209
a69fe5a61b6c theory_of renamed to theory (and made public);
wenzelm
parents: 4975
diff changeset
   536
structure BasicThyInfo: BASIC_THY_INFO = ThyInfo;
a69fe5a61b6c theory_of renamed to theory (and made public);
wenzelm
parents: 4975
diff changeset
   537
open BasicThyInfo;