src/Pure/Thy/thy_info.ML
author wenzelm
Thu, 19 Jul 2007 23:18:58 +0200
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child 23886 f40fba467384
permissions -rw-r--r--
removed obsolete use/update_thy_only; removed unused quiet_update_thy, get_succs; renamed get_preds to get_parents; deps: replaced File.info by File.ident (no comparison of paths!); check_deps: reload (partially qualified) parents for unfinished theory, no reference of previously loaded master paths! require_thy: attempt at purely static path lookup, less permissive; misc cleanup;
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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 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: (Path.T list -> string -> string list ->
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      (Path.T * bool) list -> theory -> theory) ->
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    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 = hooks := f :: ! hooks;
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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 update_node 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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  {present: bool,
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    outdated: bool,
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    master: master option,
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    files: (Path.T * (Path.T * File.ident) option) list};
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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_path (m: master option) = map (Path.dir o fst o fst) (the_list m);
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fun master_path' (d: deps option) = maps (master_path o #master) (the_list d);
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fun master_path'' d = maps master_path' (the_list d);
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fun make_deps present outdated master files =
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  {present = present, outdated = outdated, master = master, files = files}: deps;
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fun init_deps master files = SOME (make_deps false true master (map (rpair NONE) files));
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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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  val change_thys = Library.change database;
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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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(*theory names in topological order*)
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fun get_names () =
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  let val G = get_thys ()
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  in Graph.all_succs G (Graph.minimals G) end;
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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 = (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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fun put_theory name theory = change_thy name (fn (deps, _) => (deps, SOME theory));
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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 (change_deps name (Option.map (fn {present, outdated = _, master, files} =>
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    make_deps present true master 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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ad714526c23e may_load_file;
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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 {present, outdated, master, 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 present outdated master (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; ())
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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_path' deps) path))
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      | NONE => (ThyLoad.load_ml [] 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 dirs name =
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  let
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    val _ =
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   304
      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 dirs name ml time
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      else #1 (ThyLoad.deps_thy dirs 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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   315
    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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    change_deps name (fn _ => SOME (make_deps true false (SOME master) files));
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    perform Update name
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  end;
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8142ccd13963 added update_thy_only;
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(* require_thy *)
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fun base_name s = Path.implode (Path.base (Path.explode s));
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   326
7211
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   327
local
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   328
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   329
fun check_ml master (path, info) =
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   330
  let val info' =
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   331
    (case info of NONE => NONE
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   332
    | SOME (_, id) =>
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   333
        (case ThyLoad.check_ml (master_path master) path of NONE => NONE
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   334
        | SOME (path', id') => if id <> id' then NONE else SOME (path', id')))
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   335
  in (path, info') end;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   336
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   337
fun check_deps ml strict dirs name =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   338
  (case lookup_deps name of
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   339
    NONE =>
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   340
      let val (master, (parents, files)) = ThyLoad.deps_thy dirs name ml |>> SOME
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   341
      in (false, (init_deps master files, parents)) end
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   342
  | SOME NONE => (true, (NONE, get_parents name))
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   343
  | SOME (deps as SOME {present, outdated, master, files}) =>
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   344
      if present andalso not strict then (true, (deps, get_parents name))
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   345
      else
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   346
        let val (master', (parents', files')) = ThyLoad.deps_thy dirs name ml |>> SOME in
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   347
          if master_idents master <> master_idents master'
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   348
          then (false, (init_deps master' files', parents'))
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   349
          else
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   350
            let
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   351
              val checked_files = map (check_ml master') files;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   352
              val current = not outdated andalso forall (is_some o snd) checked_files;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   353
              val deps' = SOME (make_deps present (not current) master' checked_files);
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   354
            in (current, (deps', parents')) end
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   355
        end);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   356
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   357
fun require_thy really ml time strict keep_strict initiators dirs str visited =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   358
  let
21858
05f57309170c avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents: 20664
diff changeset
   359
    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
   360
    val name = Path.implode (Path.base path);
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   361
    val dirs' = Path.dir path :: dirs;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   362
    val _ = member (op =) initiators name andalso error (cycle_msg initiators);
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   363
  in
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   364
    if known_thy name andalso is_finished name orelse member (op =) visited name
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   365
    then ((true, name), visited)
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   366
    else
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   367
      let
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   368
        val (current, (deps, parents)) = check_deps ml strict dirs' name
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 17756
diff changeset
   369
          handle ERROR msg => cat_error msg
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 17756
diff changeset
   370
            (loader_msg "the error(s) above occurred while examining theory" [name] ^
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 17756
diff changeset
   371
              (if null initiators then "" else required_by "\n" initiators));
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   372
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   373
        val dirs'' = master_path' deps @ dirs;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   374
        val req_parent = require_thy true true time (strict andalso keep_strict) keep_strict
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   375
          (name :: initiators) dirs'';
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   376
        val (parent_results, visited') = fold_map req_parent parents (name :: visited);
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   377
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   378
        val all_current = current andalso forall fst parent_results;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   379
        val thy = if all_current orelse not really then SOME (get_theory name) else NONE;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   380
        val _ = change_thys (update_node name (map base_name parents) (deps, thy));
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   381
        val _ =
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   382
          if all_current then ()
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   383
          else load_thy really ml (time orelse ! Output.timing) initiators dirs' name;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   384
      in ((all_current, name), visited') end
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   385
  end;
6484
3f098b0ec683 use_thy etc.: may specify path prefix, which is temporarily used as load path;
wenzelm
parents: 6389
diff changeset
   386
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   387
fun gen_use_thy' req dirs s = Output.toplevel_errors (fn () =>
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   388
  let val ((_, name), _) = req [] dirs s []
22095
07875394618e moved ML context stuff to from Context to ML_Context;
wenzelm
parents: 22086
diff changeset
   389
  in ML_Context.set_context (SOME (Context.Theory (get_theory name))) end) ();
6241
d3c6184ca6c5 time_use made pervasive;
wenzelm
parents: 6233
diff changeset
   390
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   391
fun gen_use_thy req = gen_use_thy' req [];
15158
2281784015a5 Fixed several bugs related to path specifications in theory names.
berghofe
parents: 15065
diff changeset
   392
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   393
fun warn_finished f name = (check_unfinished warning name; f name);
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   394
7211
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   395
in
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   396
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   397
val weak_use_thy     = gen_use_thy' (require_thy true true false false false);
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   398
val quiet_update_thy = gen_use_thy' (require_thy true true false true true);
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   399
9822
dcf5f9886b8f added pretend_use_thy_only;
wenzelm
parents: 9778
diff changeset
   400
val use_thy          = warn_finished (gen_use_thy (require_thy true true false true false));
dcf5f9886b8f added pretend_use_thy_only;
wenzelm
parents: 9778
diff changeset
   401
val time_use_thy     = warn_finished (gen_use_thy (require_thy true true true true false));
dcf5f9886b8f added pretend_use_thy_only;
wenzelm
parents: 9778
diff changeset
   402
val update_thy       = warn_finished (gen_use_thy (require_thy true true false true true));
dcf5f9886b8f added pretend_use_thy_only;
wenzelm
parents: 9778
diff changeset
   403
val pretend_use_thy_only = warn_finished (gen_use_thy (require_thy false false false true false));
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   404
7211
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   405
end;
8e4aa9044599 fixed thy_only;
wenzelm
parents: 7191
diff changeset
   406
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   407
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   408
(* remove_thy *)
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   409
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   410
fun remove_thy name =
7910
e54db490c537 added known_thy;
wenzelm
parents: 7892
diff changeset
   411
  if is_finished name then error (loader_msg "cannot remove finished theory" [name])
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   412
  else
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   413
    let val succs = thy_graph Graph.all_succs [name] in
9778
1f6dca5c4bbb replaced writeln by priority;
wenzelm
parents: 9490
diff changeset
   414
      priority (loader_msg "removing" succs);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   415
      List.app (perform Remove) succs;
7191
fcce2387ad6d added pretend_use;
wenzelm
parents: 7099
diff changeset
   416
      change_thys (Graph.del_nodes succs)
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   417
    end;
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   418
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   419
7066
febce8eee487 require_thy: fixed performance leak;
wenzelm
parents: 6900
diff changeset
   420
(* begin / end theory *)
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   421
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   422
fun check_uses name uses =
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   423
  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
   424
    (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
   425
      NONE => ()
21858
05f57309170c avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents: 20664
diff changeset
   426
    | 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
   427
  end;
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   428
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   429
fun begin_theory present name parents uses int =
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   430
  let
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   431
    val bparents = map base_name parents;
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   432
    val dirs' = master_path'' (lookup_deps name);
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   433
    val dirs = dirs' @ [Path.current];
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   434
    val _ = check_unfinished error name;
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   435
    val _ = List.app ((if int then quiet_update_thy else weak_use_thy) dirs) parents;
17365
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   436
    val _ = check_uses name uses;
a8e19032497d begin_theory: tuned interface, check uses;
wenzelm
parents: 17192
diff changeset
   437
16504
7c1cb7ce24eb Theory.begin/end_theory;
wenzelm
parents: 16454
diff changeset
   438
    val theory = Theory.begin_theory name (map get_theory bparents);
7952
43d3e087688c quiet_update_thy: ml flag;
wenzelm
parents: 7941
diff changeset
   439
    val deps =
43d3e087688c quiet_update_thy: ml flag;
wenzelm
parents: 7941
diff changeset
   440
      if known_thy name then get_deps name
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   441
      else (init_deps NONE (map #1 uses));
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19473
diff changeset
   442
    val uses_now = map_filter (fn (x, true) => SOME x | _ => NONE) uses;
9451
5c25ed3c10a0 begin_theory: store *copy* of initial theory;
wenzelm
parents: 9417
diff changeset
   443
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   444
    val _ = change_thys (update_node name bparents (deps, SOME (Theory.copy theory)));
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   445
    val theory' = theory |> present dirs' name bparents uses;
9451
5c25ed3c10a0 begin_theory: store *copy* of initial theory;
wenzelm
parents: 9417
diff changeset
   446
    val _ = put_theory name (Theory.copy theory');
22086
cf6019fece63 adapted ML context operations;
wenzelm
parents: 21858
diff changeset
   447
    val ((), theory'') =
22095
07875394618e moved ML context stuff to from Context to ML_Context;
wenzelm
parents: 22086
diff changeset
   448
      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
   449
      ||> Context.the_theory;
9451
5c25ed3c10a0 begin_theory: store *copy* of initial theory;
wenzelm
parents: 9417
diff changeset
   450
    val _ = put_theory name (Theory.copy theory'');
8805
wenzelm
parents: 7952
diff changeset
   451
  in theory'' end;
7244
ad714526c23e may_load_file;
wenzelm
parents: 7223
diff changeset
   452
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   453
fun end_theory theory =
7099
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   454
  let
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   455
    val name = Context.theory_name theory;
16504
7c1cb7ce24eb Theory.begin/end_theory;
wenzelm
parents: 16454
diff changeset
   456
    val theory' = Theory.end_theory theory;
7099
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   457
  in put_theory name theory'; theory' end;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   458
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   459
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   460
(* finish all theories *)
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   461
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   462
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
   463
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   464
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   465
(* register existing theories *)
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   466
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   467
fun register_theory theory =
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   468
  let
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   469
    val name = Context.theory_name theory;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   470
    val parents = Theory.parents_of theory;
16454
af39c6510b86 removed obsolete theory_of_sign, theory_of_thm;
wenzelm
parents: 16047
diff changeset
   471
    val parent_names = map Context.theory_name parents;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   472
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   473
    fun err txt bads =
23871
0dd5696f58b6 removed obsolete use/update_thy_only;
wenzelm
parents: 22215
diff changeset
   474
      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
   475
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   476
    val nonfinished = filter_out is_finished parent_names;
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   477
    fun get_variant (x, y_name) =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   478
      if Theory.eq_thy (x, get_theory y_name) then NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   479
      else SOME y_name;
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19473
diff changeset
   480
    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
   481
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   482
    fun register G =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15158
diff changeset
   483
      (Graph.new_node (name, (NONE, SOME theory)) G
9327
wenzelm
parents: 9137
diff changeset
   484
        handle Graph.DUP _ => err "duplicate theory entry" [])
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   485
      |> add_deps name parent_names;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   486
  in
6666
be06ed5d0b4c cleaned comments;
wenzelm
parents: 6654
diff changeset
   487
    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
   488
    else if not (null variants) then err "different versions of parent theories" variants
7099
8142ccd13963 added update_thy_only;
wenzelm
parents: 7066
diff changeset
   489
    else (change_thys register; perform Update name)
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   490
  end;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   491
15801
d2f5ca3c048d superceded by Pure.thy and CPure.thy;
wenzelm
parents: 15633
diff changeset
   492
val _ = register_theory ProtoPure.thy;
d2f5ca3c048d superceded by Pure.thy and CPure.thy;
wenzelm
parents: 15633
diff changeset
   493
6211
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   494
(*final declarations of this structure*)
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   495
val theory = get_theory;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   496
val names = get_names;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   497
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   498
end;
43d0efafa025 Theory loader database: theory and file dependencies, theory values
wenzelm
parents: 5211
diff changeset
   499
5209
a69fe5a61b6c theory_of renamed to theory (and made public);
wenzelm
parents: 4975
diff changeset
   500
structure BasicThyInfo: BASIC_THY_INFO = ThyInfo;
a69fe5a61b6c theory_of renamed to theory (and made public);
wenzelm
parents: 4975
diff changeset
   501
open BasicThyInfo;