berghofe@3604
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(* Title: Pure/Thy/thy_info.ML
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wenzelm@6211
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Author: Markus Wenzel, TU Muenchen
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berghofe@3604
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wenzelm@15801
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Main part of theory loader database, including handling of theory and
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wenzelm@15801
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file dependencies.
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wenzelm@3976
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*)
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berghofe@3604
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berghofe@3604
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signature THY_INFO =
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berghofe@3604
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sig
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wenzelm@7099
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datatype action = Update | Outdate | Remove
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wenzelm@7099
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val str_of_action: action -> string
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wenzelm@7099
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val add_hook: (action -> string -> unit) -> unit
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wenzelm@26614
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val get_names: unit -> string list
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wenzelm@7910
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val known_thy: string -> bool
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wenzelm@7935
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val check_known_thy: string -> bool
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wenzelm@7935
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val if_known_thy: (string -> unit) -> string -> unit
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wenzelm@7288
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val lookup_theory: string -> theory option
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wenzelm@6211
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val get_theory: string -> theory
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wenzelm@19547
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val the_theory: string -> theory -> theory
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wenzelm@24563
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val is_finished: string -> bool
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wenzelm@26983
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val master_directory: string -> Path.T
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wenzelm@24080
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val loaded_files: string -> Path.T list
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wenzelm@23871
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val get_parents: string -> string list
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wenzelm@27495
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val touch_thy: string -> unit
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wenzelm@7910
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val touch_child_thys: string -> unit
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wenzelm@32126
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val thy_ord: theory * theory -> order
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wenzelm@29422
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val remove_thy: string -> unit
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wenzelm@29422
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val kill_thy: string -> unit
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wenzelm@25013
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val provide_file: Path.T -> string -> unit
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wenzelm@7941
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val load_file: bool -> Path.T -> unit
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wenzelm@26494
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val exec_file: bool -> Path.T -> Context.generic -> Context.generic
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wenzelm@6241
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val use: string -> unit
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wenzelm@24057
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val time_use: string -> unit
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wenzelm@24057
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val use_thys: string list -> unit
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wenzelm@24057
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val use_thy: string -> unit
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wenzelm@24057
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val time_use_thy: string -> unit
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wenzelm@23900
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val begin_theory: string -> string list -> (Path.T * bool) list -> bool -> theory
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wenzelm@27579
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val end_theory: theory -> unit
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wenzelm@24080
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val register_thy: string -> unit
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wenzelm@24080
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val register_theory: theory -> unit
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wenzelm@6666
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val finish: unit -> unit
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berghofe@3604
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end;
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berghofe@3604
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wenzelm@37216
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structure Thy_Info: THY_INFO =
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berghofe@3604
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struct
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berghofe@3604
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wenzelm@7099
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(** theory loader actions and hooks **)
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wenzelm@7099
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wenzelm@7099
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datatype action = Update | Outdate | Remove;
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wenzelm@7099
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val str_of_action = fn Update => "Update" | Outdate => "Outdate" | Remove => "Remove";
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wenzelm@7099
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wenzelm@7099
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local
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wenzelm@32738
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val hooks = Unsynchronized.ref ([]: (action -> string -> unit) list);
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wenzelm@7099
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in
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wenzelm@32738
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fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f));
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skalberg@15570
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fun perform action name = List.app (fn f => (try (fn () => f action name) (); ())) (! hooks);
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wenzelm@7099
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end;
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wenzelm@7099
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wenzelm@7099
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wenzelm@7099
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wenzelm@6211
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(** thy database **)
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wenzelm@3976
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wenzelm@6211
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(* messages *)
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berghofe@3604
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wenzelm@23871
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fun loader_msg txt [] = "Theory loader: " ^ txt
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wenzelm@23871
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| loader_msg txt names = "Theory loader: " ^ txt ^ " " ^ commas_quote names;
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berghofe@3604
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wenzelm@6211
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val show_path = space_implode " via " o map quote;
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wenzelm@9332
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fun cycle_msg names = loader_msg ("cyclic dependency of " ^ show_path names) [];
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berghofe@3604
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berghofe@3604
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wenzelm@6666
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(* derived graph operations *)
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berghofe@3604
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wenzelm@9327
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fun add_deps name parents G = Graph.add_deps_acyclic (name, parents) G
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wenzelm@9332
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handle Graph.CYCLES namess => error (cat_lines (map cycle_msg namess));
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berghofe@3604
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wenzelm@7952
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fun upd_deps name entry G =
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wenzelm@19473
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fold (fn parent => Graph.del_edge (parent, name)) (Graph.imm_preds G name) G
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wenzelm@7952
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|> Graph.map_node name (K entry);
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berghofe@3604
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wenzelm@23967
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fun new_deps name parents entry G =
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wenzelm@7952
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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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wenzelm@7952
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|> add_deps name parents;
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berghofe@3604
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berghofe@3604
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wenzelm@6211
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(* thy database *)
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berghofe@3604
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wenzelm@6211
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type deps =
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wenzelm@24190
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{update_time: int, (*symbolic time of update; negative value means outdated*)
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wenzelm@24190
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master: (Path.T * File.ident) option, (*master dependencies for thy file*)
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wenzelm@24190
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text: string list, (*source text for thy*)
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wenzelm@24190
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parents: string list, (*source specification of parents (partially qualified)*)
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wenzelm@24190
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(*auxiliary files: source path, physical path + identifier*)
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wenzelm@24190
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files: (Path.T * (Path.T * File.ident) option) list};
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wenzelm@23886
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wenzelm@24151
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fun make_deps update_time master text parents files : deps =
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wenzelm@24151
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{update_time = update_time, master = master, text = text, parents = parents, files = files};
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wenzelm@23886
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wenzelm@24068
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fun init_deps master text parents files =
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wenzelm@24151
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SOME (make_deps ~1 master text parents (map (rpair NONE) files));
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wenzelm@23871
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wenzelm@24190
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fun master_dir NONE = Path.current
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wenzelm@24190
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| master_dir (SOME (path, _)) = Path.dir path;
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berghofe@3604
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wenzelm@23886
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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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wenzelm@23886
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fun master_dir'' d = the_default Path.current (Option.map master_dir' d);
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berghofe@3604
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wenzelm@23967
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fun base_name s = Path.implode (Path.base (Path.explode s));
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wenzelm@23967
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wenzelm@7211
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wenzelm@6362
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type thy = deps option * theory option;
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berghofe@3604
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wenzelm@6211
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local
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wenzelm@32738
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val database = Unsynchronized.ref (Graph.empty: thy Graph.T);
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wenzelm@6211
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in
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wenzelm@6362
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fun get_thys () = ! database;
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wenzelm@32738
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fun change_thys f = CRITICAL (fn () => Unsynchronized.change database f);
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berghofe@3604
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end;
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wenzelm@5209
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wenzelm@5209
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wenzelm@6211
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(* access thy graph *)
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wenzelm@6211
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wenzelm@6211
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fun thy_graph f x = f (get_thys ()) x;
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wenzelm@9417
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wenzelm@23967
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fun get_names () = Graph.topological_order (get_thys ());
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wenzelm@6211
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wenzelm@6211
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wenzelm@6211
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(* access thy *)
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wenzelm@6211
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wenzelm@7935
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fun lookup_thy name =
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skalberg@15531
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SOME (thy_graph Graph.get_node name) handle Graph.UNDEF _ => NONE;
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wenzelm@7935
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wenzelm@16047
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val known_thy = is_some o lookup_thy;
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wenzelm@7935
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fun check_known_thy name = known_thy name orelse (warning ("Unknown theory " ^ quote name); false);
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wenzelm@7935
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fun if_known_thy f name = if check_known_thy name then f name else ();
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wenzelm@6211
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wenzelm@6211
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fun get_thy name =
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wenzelm@6211
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(case lookup_thy name of
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skalberg@15531
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SOME thy => thy
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skalberg@15531
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| NONE => error (loader_msg "nothing known about theory" [name]));
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wenzelm@6211
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wenzelm@23939
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fun change_thy name f = CRITICAL (fn () =>
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wenzelm@23939
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(get_thy name; change_thys (Graph.map_node name f)));
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wenzelm@6211
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wenzelm@6211
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wenzelm@6211
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(* access deps *)
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wenzelm@6211
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skalberg@15570
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val lookup_deps = Option.map #1 o lookup_thy;
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wenzelm@6211
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val get_deps = #1 o get_thy;
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wenzelm@6211
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fun change_deps name f = change_thy name (fn (deps, x) => (f deps, x));
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wenzelm@6211
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wenzelm@26983
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val is_finished = is_none o get_deps;
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wenzelm@26983
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val master_directory = master_dir' o get_deps;
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wenzelm@7191
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wenzelm@7191
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fun loaded_files name =
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wenzelm@7191
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(case get_deps name of
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skalberg@15531
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NONE => []
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skalberg@15531
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| SOME {master, files, ...} =>
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wenzelm@24190
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(case master of SOME (thy_path, _) => [thy_path] | NONE => []) @
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wenzelm@19482
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(map_filter (Option.map #1 o #2) files));
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wenzelm@6211
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wenzelm@23871
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fun get_parents name =
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wenzelm@23967
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thy_graph Graph.imm_preds name handle Graph.UNDEF _ =>
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berghofe@6654
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error (loader_msg "nothing known about theory" [name]);
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berghofe@6654
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wenzelm@6211
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wenzelm@6211
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(* access theory *)
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wenzelm@6211
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wenzelm@7687
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fun lookup_theory name =
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wenzelm@7687
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(case lookup_thy name of
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skalberg@15531
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SOME (_, SOME thy) => SOME thy
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skalberg@15531
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| _ => NONE);
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wenzelm@7288
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wenzelm@6211
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fun get_theory name =
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wenzelm@7288
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(case lookup_theory name of
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wenzelm@23871
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SOME theory => theory
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wenzelm@6211
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| _ => error (loader_msg "undefined theory entry for" [name]));
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wenzelm@6211
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wenzelm@19547
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fun the_theory name thy =
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wenzelm@19547
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if Context.theory_name thy = name then thy
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wenzelm@19547
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else get_theory name;
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wenzelm@19547
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wenzelm@6211
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wenzelm@6211
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wenzelm@6211
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(** thy operations **)
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wenzelm@6211
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wenzelm@24080
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(* check state *)
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wenzelm@24080
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wenzelm@24080
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fun check_unfinished fail name =
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wenzelm@24080
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if known_thy name andalso is_finished name then
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wenzelm@24080
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fail (loader_msg "cannot update finished theory" [name])
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wenzelm@24080
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else ();
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wenzelm@24080
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wenzelm@24080
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fun check_files name =
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wenzelm@24080
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let
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wenzelm@24080
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val files = (case get_deps name of SOME {files, ...} => files | NONE => []);
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wenzelm@24080
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val missing_files = map_filter (fn (path, NONE) => SOME (Path.implode path) | _ => NONE) files;
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wenzelm@24190
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val _ = null missing_files orelse
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wenzelm@24190
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error (loader_msg "unresolved dependencies of theory" [name] ^
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wenzelm@24080
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" on file(s): " ^ commas_quote missing_files);
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wenzelm@24190
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in () end;
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wenzelm@24080
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wenzelm@24080
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wenzelm@24151
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(* maintain update_time *)
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wenzelm@6211
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wenzelm@7099
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local
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wenzelm@7099
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wenzelm@6241
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fun is_outdated name =
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wenzelm@6241
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(case lookup_deps name of
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wenzelm@24151
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SOME (SOME {update_time, ...}) => update_time < 0
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wenzelm@6241
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| _ => false);
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wenzelm@6211
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wenzelm@25013
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fun unfinished name =
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wenzelm@24186
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if is_finished name then (warning (loader_msg "tried to touch finished theory" [name]); NONE)
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wenzelm@24186
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else SOME name;
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wenzelm@24186
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wenzelm@24186
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in
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wenzelm@24186
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wenzelm@6241
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fun outdate_thy name =
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wenzelm@7099
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if is_finished name orelse is_outdated name then ()
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wenzelm@23939
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else CRITICAL (fn () =>
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wenzelm@24151
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(change_deps name (Option.map (fn {master, text, parents, files, ...} =>
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wenzelm@24151
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make_deps ~1 master text parents files)); perform Outdate name));
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wenzelm@7099
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wenzelm@7910
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fun touch_thys names =
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wenzelm@25013
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List.app outdate_thy (thy_graph Graph.all_succs (map_filter unfinished names));
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wenzelm@7910
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wenzelm@7910
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fun touch_thy name = touch_thys [name];
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wenzelm@7910
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fun touch_child_thys name = touch_thys (thy_graph Graph.imm_succs name);
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wenzelm@6241
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wenzelm@7099
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end;
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wenzelm@6211
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wenzelm@6211
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wenzelm@32126
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(* management data *)
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wenzelm@32126
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wenzelm@33522
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236 |
structure Management_Data = Theory_Data
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wenzelm@32126
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237 |
(
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wenzelm@32126
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238 |
type T =
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wenzelm@32126
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239 |
Task_Queue.group option * (*worker thread group*)
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wenzelm@32126
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240 |
int; (*abstract update time*)
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wenzelm@32126
|
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val empty = (NONE, 0);
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wenzelm@32126
|
242 |
fun extend _ = empty;
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wenzelm@33522
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243 |
fun merge _ = empty;
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wenzelm@32126
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);
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wenzelm@32126
|
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wenzelm@32126
|
246 |
val thy_ord = int_ord o pairself (#2 o Management_Data.get);
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wenzelm@32126
|
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wenzelm@32126
|
248 |
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wenzelm@32126
|
249 |
(* pending proofs *)
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wenzelm@29434
|
250 |
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wenzelm@29434
|
251 |
fun join_thy name =
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wenzelm@29434
|
252 |
(case lookup_theory name of
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wenzelm@32126
|
253 |
NONE => ()
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wenzelm@29434
|
254 |
| SOME thy => PureThy.join_proofs thy);
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wenzelm@29434
|
255 |
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wenzelm@29434
|
256 |
fun cancel_thy name =
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wenzelm@29434
|
257 |
(case lookup_theory name of
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wenzelm@29434
|
258 |
NONE => ()
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wenzelm@32126
|
259 |
| SOME thy =>
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wenzelm@32126
|
260 |
(case #1 (Management_Data.get thy) of
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wenzelm@32126
|
261 |
NONE => ()
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wenzelm@32126
|
262 |
| SOME group => Future.cancel_group group));
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wenzelm@29434
|
263 |
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wenzelm@29434
|
264 |
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wenzelm@29422
|
265 |
(* remove theory *)
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wenzelm@29422
|
266 |
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wenzelm@29422
|
267 |
fun remove_thy name =
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wenzelm@29422
|
268 |
if is_finished name then error (loader_msg "cannot remove finished theory" [name])
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wenzelm@29422
|
269 |
else
|
wenzelm@29434
|
270 |
let
|
wenzelm@29434
|
271 |
val succs = thy_graph Graph.all_succs [name];
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wenzelm@29434
|
272 |
val _ = List.app cancel_thy succs;
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wenzelm@29434
|
273 |
val _ = priority (loader_msg "removing" succs);
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wenzelm@29434
|
274 |
val _ = CRITICAL (fn () =>
|
wenzelm@29434
|
275 |
(List.app (perform Remove) succs; change_thys (Graph.del_nodes succs)));
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wenzelm@29434
|
276 |
in () end;
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wenzelm@29422
|
277 |
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wenzelm@29422
|
278 |
val kill_thy = if_known_thy remove_thy;
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wenzelm@29422
|
279 |
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wenzelm@29422
|
280 |
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wenzelm@7941
|
281 |
(* load_file *)
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wenzelm@6211
|
282 |
|
wenzelm@7191
|
283 |
local
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wenzelm@7191
|
284 |
|
wenzelm@32801
|
285 |
fun provide path name info (SOME {update_time, master, text, parents, files}) =
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wenzelm@23871
|
286 |
(if AList.defined (op =) files path then ()
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wenzelm@7941
|
287 |
else warning (loader_msg "undeclared dependency of theory" [name] ^
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wenzelm@21858
|
288 |
" on file: " ^ quote (Path.implode path));
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wenzelm@24151
|
289 |
SOME (make_deps update_time master text parents
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wenzelm@24151
|
290 |
(AList.update (op =) (path, SOME info) files)))
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skalberg@15531
|
291 |
| provide _ _ _ NONE = NONE;
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wenzelm@7941
|
292 |
|
wenzelm@7941
|
293 |
fun run_file path =
|
wenzelm@26415
|
294 |
(case Option.map (Context.theory_name o Context.the_theory) (Context.thread_data ()) of
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wenzelm@37216
|
295 |
NONE => (Thy_Load.load_ml Path.current path; ())
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wenzelm@23871
|
296 |
| SOME name =>
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wenzelm@23871
|
297 |
(case lookup_deps name of
|
wenzelm@23871
|
298 |
SOME deps =>
|
wenzelm@37216
|
299 |
change_deps name (provide path name (Thy_Load.load_ml (master_dir' deps) path))
|
wenzelm@37216
|
300 |
| NONE => (Thy_Load.load_ml Path.current path; ())));
|
wenzelm@6211
|
301 |
|
wenzelm@7191
|
302 |
in
|
wenzelm@7191
|
303 |
|
wenzelm@25013
|
304 |
fun provide_file path name =
|
wenzelm@25013
|
305 |
let
|
wenzelm@26983
|
306 |
val dir = master_directory name;
|
wenzelm@25013
|
307 |
val _ = check_unfinished error name;
|
wenzelm@25013
|
308 |
in
|
wenzelm@37216
|
309 |
(case Thy_Load.check_file dir path of
|
wenzelm@25013
|
310 |
SOME path_info => change_deps name (provide path name path_info)
|
wenzelm@25013
|
311 |
| NONE => error ("Could not find file " ^ quote (Path.implode path)))
|
wenzelm@25013
|
312 |
end;
|
wenzelm@25013
|
313 |
|
wenzelm@24057
|
314 |
fun load_file time path =
|
wenzelm@7941
|
315 |
if time then
|
wenzelm@21858
|
316 |
let val name = Path.implode path in
|
wenzelm@7244
|
317 |
timeit (fn () =>
|
wenzelm@9778
|
318 |
(priority ("\n**** Starting file " ^ quote name ^ " ****");
|
wenzelm@9036
|
319 |
run_file path;
|
wenzelm@9778
|
320 |
priority ("**** Finished file " ^ quote name ^ " ****\n")))
|
wenzelm@7244
|
321 |
end
|
wenzelm@24057
|
322 |
else run_file path;
|
wenzelm@7941
|
323 |
|
wenzelm@26494
|
324 |
fun exec_file time path = ML_Context.exec (fn () => load_file time path);
|
wenzelm@26494
|
325 |
|
wenzelm@21858
|
326 |
val use = load_file false o Path.explode;
|
wenzelm@21858
|
327 |
val time_use = load_file true o Path.explode;
|
wenzelm@7191
|
328 |
|
wenzelm@7191
|
329 |
end;
|
wenzelm@6233
|
330 |
|
wenzelm@6233
|
331 |
|
wenzelm@7099
|
332 |
(* load_thy *)
|
wenzelm@7099
|
333 |
|
wenzelm@9490
|
334 |
fun required_by _ [] = ""
|
wenzelm@9490
|
335 |
| required_by s initiators = s ^ "(required by " ^ show_path (rev initiators) ^ ")";
|
wenzelm@7099
|
336 |
|
wenzelm@27843
|
337 |
fun load_thy time upd_time initiators name =
|
wenzelm@7099
|
338 |
let
|
wenzelm@24080
|
339 |
val _ = priority ("Loading theory " ^ quote name ^ required_by " " initiators);
|
wenzelm@32801
|
340 |
val (pos, text, _) =
|
wenzelm@24068
|
341 |
(case get_deps name of
|
wenzelm@24190
|
342 |
SOME {master = SOME (master_path, _), text as _ :: _, files, ...} =>
|
wenzelm@26881
|
343 |
(Path.position master_path, text, files)
|
wenzelm@24068
|
344 |
| _ => error (loader_msg "corrupted dependency information" [name]));
|
wenzelm@7099
|
345 |
val _ = touch_thy name;
|
wenzelm@24151
|
346 |
val _ = CRITICAL (fn () =>
|
wenzelm@24151
|
347 |
change_deps name (Option.map (fn {master, text, parents, files, ...} =>
|
wenzelm@24151
|
348 |
make_deps upd_time master text parents files)));
|
wenzelm@36953
|
349 |
val after_load = Outer_Syntax.load_thy name pos text (time orelse ! Output.timing);
|
wenzelm@29429
|
350 |
val _ =
|
wenzelm@29429
|
351 |
CRITICAL (fn () =>
|
wenzelm@29429
|
352 |
(change_deps name
|
wenzelm@29429
|
353 |
(Option.map (fn {update_time, master, parents, files, ...} =>
|
wenzelm@29429
|
354 |
make_deps update_time master [] parents files));
|
wenzelm@29429
|
355 |
perform Update name));
|
wenzelm@29429
|
356 |
in after_load end;
|
wenzelm@7099
|
357 |
|
wenzelm@7099
|
358 |
|
wenzelm@24209
|
359 |
(* scheduling loader tasks *)
|
wenzelm@24209
|
360 |
|
wenzelm@29429
|
361 |
datatype task = Task of (unit -> unit -> unit) | Finished | Running;
|
wenzelm@24209
|
362 |
fun task_finished Finished = true | task_finished _ = false;
|
wenzelm@24209
|
363 |
|
wenzelm@29119
|
364 |
local
|
wenzelm@29119
|
365 |
|
wenzelm@32823
|
366 |
fun schedule_futures task_graph = uninterruptible (fn _ => fn () =>
|
wenzelm@28194
|
367 |
let
|
wenzelm@28194
|
368 |
val tasks = Graph.topological_order task_graph |> map_filter (fn name =>
|
wenzelm@28194
|
369 |
(case Graph.get_node task_graph name of Task body => SOME (name, body) | _ => NONE));
|
wenzelm@28194
|
370 |
|
wenzelm@32077
|
371 |
val par_proofs = ! parallel_proofs >= 1;
|
wenzelm@29442
|
372 |
|
wenzelm@29429
|
373 |
fun fork (name, body) tab =
|
wenzelm@28194
|
374 |
let
|
wenzelm@29005
|
375 |
val deps = Graph.imm_preds task_graph name
|
wenzelm@29005
|
376 |
|> map_filter (fn parent =>
|
wenzelm@29005
|
377 |
(case Symtab.lookup tab parent of SOME future => SOME (parent, future) | NONE => NONE));
|
wenzelm@29005
|
378 |
fun failed (parent, future) = if can Future.join future then NONE else SOME parent;
|
wenzelm@29005
|
379 |
|
wenzelm@29442
|
380 |
val future = Future.fork_deps (map #2 deps) (fn () =>
|
wenzelm@29005
|
381 |
(case map_filter failed deps of
|
wenzelm@29005
|
382 |
[] => body ()
|
wenzelm@29005
|
383 |
| bad => error (loader_msg
|
wenzelm@29005
|
384 |
("failed to load " ^ quote name ^ " (unresolved " ^ commas_quote bad ^ ")") [])));
|
wenzelm@29442
|
385 |
val future' =
|
wenzelm@29442
|
386 |
if par_proofs then future
|
wenzelm@29442
|
387 |
else Future.map (fn after_load => (after_load (); fn () => ())) future;
|
wenzelm@29442
|
388 |
in Symtab.update (name, future') tab end;
|
wenzelm@29005
|
389 |
|
wenzelm@29429
|
390 |
val futures = fold fork tasks Symtab.empty;
|
wenzelm@29005
|
391 |
|
wenzelm@34260
|
392 |
val failed = tasks |> maps (fn (name, _) =>
|
wenzelm@29429
|
393 |
let
|
wenzelm@29429
|
394 |
val after_load = Future.join (the (Symtab.lookup futures name));
|
wenzelm@32126
|
395 |
val _ = join_thy name;
|
wenzelm@29429
|
396 |
val _ = after_load ();
|
wenzelm@34260
|
397 |
in [] end handle exn => [(name, exn)]) |> rev;
|
wenzelm@29429
|
398 |
|
wenzelm@34260
|
399 |
val _ = List.app (kill_thy o #1) failed;
|
wenzelm@34260
|
400 |
val _ = Exn.release_all (map (Exn.Exn o #2) failed);
|
wenzelm@34260
|
401 |
in () end) ();
|
wenzelm@29429
|
402 |
|
wenzelm@29429
|
403 |
fun schedule_seq tasks =
|
wenzelm@29429
|
404 |
Graph.topological_order tasks
|
wenzelm@30322
|
405 |
|> List.app (fn name =>
|
wenzelm@30322
|
406 |
(case Graph.get_node tasks name of
|
wenzelm@30322
|
407 |
Task body =>
|
wenzelm@30322
|
408 |
let val after_load = body ()
|
wenzelm@31545
|
409 |
in after_load () handle exn => (kill_thy name; reraise exn) end
|
wenzelm@30322
|
410 |
| _ => ()));
|
wenzelm@28194
|
411 |
|
wenzelm@24209
|
412 |
in
|
wenzelm@24209
|
413 |
|
wenzelm@32801
|
414 |
fun schedule_tasks tasks =
|
wenzelm@29119
|
415 |
if not (Multithreading.enabled ()) then schedule_seq tasks
|
wenzelm@29119
|
416 |
else if Multithreading.self_critical () then
|
wenzelm@24209
|
417 |
(warning (loader_msg "no multithreading within critical section" []);
|
wenzelm@24209
|
418 |
schedule_seq tasks)
|
wenzelm@29119
|
419 |
else schedule_futures tasks;
|
wenzelm@24209
|
420 |
|
wenzelm@24209
|
421 |
end;
|
wenzelm@24209
|
422 |
|
wenzelm@24209
|
423 |
|
wenzelm@23967
|
424 |
(* require_thy -- checking database entries wrt. the file-system *)
|
berghofe@15065
|
425 |
|
wenzelm@7211
|
426 |
local
|
wenzelm@6211
|
427 |
|
wenzelm@23886
|
428 |
fun check_ml master (src_path, info) =
|
wenzelm@23871
|
429 |
let val info' =
|
wenzelm@23871
|
430 |
(case info of NONE => NONE
|
wenzelm@23871
|
431 |
| SOME (_, id) =>
|
wenzelm@37216
|
432 |
(case Thy_Load.check_ml (master_dir master) src_path of NONE => NONE
|
wenzelm@23871
|
433 |
| SOME (path', id') => if id <> id' then NONE else SOME (path', id')))
|
wenzelm@23886
|
434 |
in (src_path, info') end;
|
wenzelm@6211
|
435 |
|
wenzelm@24175
|
436 |
fun check_deps dir name =
|
wenzelm@23871
|
437 |
(case lookup_deps name of
|
wenzelm@23893
|
438 |
SOME NONE => (true, NONE, get_parents name)
|
wenzelm@23893
|
439 |
| NONE =>
|
wenzelm@37216
|
440 |
let val {master, text, imports = parents, uses = files} = Thy_Load.deps_thy dir name
|
wenzelm@24068
|
441 |
in (false, init_deps (SOME master) text parents files, parents) end
|
wenzelm@32801
|
442 |
| SOME (SOME {update_time, master, text, parents, files}) =>
|
wenzelm@24190
|
443 |
let
|
wenzelm@37216
|
444 |
val (thy_path, thy_id) = Thy_Load.check_thy dir name;
|
wenzelm@24190
|
445 |
val master' = SOME (thy_path, thy_id);
|
wenzelm@24190
|
446 |
in
|
wenzelm@24190
|
447 |
if Option.map #2 master <> SOME thy_id then
|
wenzelm@24175
|
448 |
let val {text = text', imports = parents', uses = files', ...} =
|
wenzelm@37216
|
449 |
Thy_Load.deps_thy dir name;
|
wenzelm@24175
|
450 |
in (false, init_deps master' text' parents' files', parents') end
|
wenzelm@24175
|
451 |
else
|
wenzelm@24175
|
452 |
let
|
wenzelm@24186
|
453 |
val files' = map (check_ml master') files;
|
wenzelm@24307
|
454 |
val current = update_time >= 0 andalso can get_theory name
|
wenzelm@24307
|
455 |
andalso forall (is_some o snd) files';
|
wenzelm@24175
|
456 |
val update_time' = if current then update_time else ~1;
|
wenzelm@25030
|
457 |
val deps' = SOME (make_deps update_time' master' text parents files');
|
wenzelm@24175
|
458 |
in (current, deps', parents) end
|
wenzelm@24175
|
459 |
end);
|
wenzelm@6211
|
460 |
|
wenzelm@25030
|
461 |
fun read_text (SOME {update_time, master = master as SOME (path, _), text = _, parents, files}) =
|
wenzelm@25030
|
462 |
SOME (make_deps update_time master (explode (File.read path)) parents files);
|
wenzelm@25030
|
463 |
|
wenzelm@23967
|
464 |
in
|
wenzelm@23967
|
465 |
|
wenzelm@24175
|
466 |
fun require_thys time initiators dir strs tasks =
|
wenzelm@24186
|
467 |
fold_map (require_thy time initiators dir) strs tasks |>> forall I
|
wenzelm@24175
|
468 |
and require_thy time initiators dir str tasks =
|
wenzelm@6211
|
469 |
let
|
wenzelm@21858
|
470 |
val path = Path.expand (Path.explode str);
|
wenzelm@21858
|
471 |
val name = Path.implode (Path.base path);
|
wenzelm@23893
|
472 |
val dir' = Path.append dir (Path.dir path);
|
wenzelm@23871
|
473 |
val _ = member (op =) initiators name andalso error (cycle_msg initiators);
|
wenzelm@7066
|
474 |
in
|
wenzelm@32801
|
475 |
(case try (Graph.get_node tasks) name of
|
wenzelm@24209
|
476 |
SOME task => (task_finished task, tasks)
|
wenzelm@23967
|
477 |
| NONE =>
|
wenzelm@23967
|
478 |
let
|
wenzelm@24175
|
479 |
val (current, deps, parents) = check_deps dir' name
|
wenzelm@23967
|
480 |
handle ERROR msg => cat_error msg
|
wenzelm@23967
|
481 |
(loader_msg "the error(s) above occurred while examining theory" [name] ^
|
wenzelm@23967
|
482 |
required_by "\n" initiators);
|
wenzelm@23967
|
483 |
val parent_names = map base_name parents;
|
wenzelm@6211
|
484 |
|
wenzelm@32801
|
485 |
val (parents_current, tasks_graph') =
|
wenzelm@24175
|
486 |
require_thys time (name :: initiators)
|
wenzelm@24175
|
487 |
(Path.append dir (master_dir' deps)) parents tasks;
|
wenzelm@23871
|
488 |
|
wenzelm@23967
|
489 |
val all_current = current andalso parents_current;
|
wenzelm@24186
|
490 |
val _ = if not all_current andalso known_thy name then outdate_thy name else ();
|
wenzelm@25030
|
491 |
val entry =
|
wenzelm@25030
|
492 |
if all_current then (deps, SOME (get_theory name))
|
wenzelm@25030
|
493 |
else (read_text deps, NONE);
|
wenzelm@25030
|
494 |
val _ = change_thys (new_deps name parent_names entry);
|
wenzelm@23967
|
495 |
|
wenzelm@24151
|
496 |
val upd_time = serial ();
|
wenzelm@23974
|
497 |
val tasks_graph'' = tasks_graph' |> new_deps name parent_names
|
wenzelm@24209
|
498 |
(if all_current then Finished
|
wenzelm@27843
|
499 |
else Task (fn () => load_thy time upd_time initiators name));
|
wenzelm@32801
|
500 |
in (all_current, tasks_graph'') end)
|
wenzelm@7066
|
501 |
end;
|
wenzelm@6484
|
502 |
|
wenzelm@23967
|
503 |
end;
|
wenzelm@23967
|
504 |
|
wenzelm@23967
|
505 |
|
wenzelm@24209
|
506 |
(* use_thy etc. *)
|
wenzelm@23967
|
507 |
|
wenzelm@23967
|
508 |
local
|
wenzelm@23967
|
509 |
|
wenzelm@24057
|
510 |
fun gen_use_thy' req dir arg =
|
wenzelm@32801
|
511 |
schedule_tasks (snd (req [] dir arg Graph.empty));
|
wenzelm@6211
|
512 |
|
wenzelm@23893
|
513 |
fun gen_use_thy req str =
|
wenzelm@23893
|
514 |
let val name = base_name str in
|
wenzelm@23893
|
515 |
check_unfinished warning name;
|
wenzelm@25994
|
516 |
gen_use_thy' req Path.current str
|
wenzelm@23893
|
517 |
end;
|
wenzelm@7244
|
518 |
|
wenzelm@7211
|
519 |
in
|
wenzelm@7211
|
520 |
|
wenzelm@24186
|
521 |
val use_thys_dir = gen_use_thy' (require_thys false);
|
wenzelm@24186
|
522 |
val use_thys = use_thys_dir Path.current;
|
wenzelm@24186
|
523 |
val use_thy = gen_use_thy (require_thy false);
|
wenzelm@24186
|
524 |
val time_use_thy = gen_use_thy (require_thy true);
|
wenzelm@6211
|
525 |
|
wenzelm@7211
|
526 |
end;
|
wenzelm@7211
|
527 |
|
wenzelm@6241
|
528 |
|
wenzelm@7066
|
529 |
(* begin / end theory *)
|
wenzelm@6211
|
530 |
|
wenzelm@23900
|
531 |
fun begin_theory name parents uses int =
|
wenzelm@6211
|
532 |
let
|
wenzelm@23893
|
533 |
val parent_names = map base_name parents;
|
wenzelm@23886
|
534 |
val dir = master_dir'' (lookup_deps name);
|
wenzelm@7244
|
535 |
val _ = check_unfinished error name;
|
wenzelm@24186
|
536 |
val _ = if int then use_thys_dir dir parents else ();
|
wenzelm@17365
|
537 |
|
wenzelm@24151
|
538 |
val theory = Theory.begin_theory name (map get_theory parent_names);
|
wenzelm@23900
|
539 |
|
wenzelm@7952
|
540 |
val deps =
|
wenzelm@7952
|
541 |
if known_thy name then get_deps name
|
wenzelm@24068
|
542 |
else init_deps NONE [] parents (map #1 uses);
|
wenzelm@23967
|
543 |
val _ = change_thys (new_deps name parent_names (deps, NONE));
|
wenzelm@23900
|
544 |
|
wenzelm@24151
|
545 |
val update_time = (case deps of NONE => 0 | SOME {update_time, ...} => update_time);
|
wenzelm@24563
|
546 |
val update_time = if update_time > 0 then update_time else serial ();
|
wenzelm@24563
|
547 |
val theory' = theory
|
wenzelm@32126
|
548 |
|> Management_Data.put (Future.worker_group (), update_time)
|
wenzelm@24563
|
549 |
|> Present.begin_theory update_time dir uses;
|
wenzelm@24151
|
550 |
|
wenzelm@19482
|
551 |
val uses_now = map_filter (fn (x, true) => SOME x | _ => NONE) uses;
|
wenzelm@28292
|
552 |
val theory'' =
|
wenzelm@28292
|
553 |
fold (fn x => Context.theory_map (exec_file false x) o Theory.checkpoint) uses_now theory';
|
wenzelm@24151
|
554 |
in theory'' end;
|
wenzelm@7244
|
555 |
|
wenzelm@6211
|
556 |
fun end_theory theory =
|
wenzelm@7099
|
557 |
let
|
wenzelm@16454
|
558 |
val name = Context.theory_name theory;
|
wenzelm@24190
|
559 |
val _ = check_files name;
|
wenzelm@16504
|
560 |
val theory' = Theory.end_theory theory;
|
wenzelm@23900
|
561 |
val _ = change_thy name (fn (deps, _) => (deps, SOME theory'));
|
wenzelm@27579
|
562 |
in () end;
|
wenzelm@6211
|
563 |
|
wenzelm@6211
|
564 |
|
wenzelm@24080
|
565 |
(* register existing theories *)
|
wenzelm@6211
|
566 |
|
wenzelm@24080
|
567 |
fun register_thy name =
|
wenzelm@24080
|
568 |
let
|
wenzelm@24080
|
569 |
val _ = priority ("Registering theory " ^ quote name);
|
wenzelm@24563
|
570 |
val thy = get_theory name;
|
wenzelm@24096
|
571 |
val _ = map get_theory (get_parents name);
|
wenzelm@24096
|
572 |
val _ = check_unfinished error name;
|
wenzelm@24080
|
573 |
val _ = touch_thy name;
|
wenzelm@37216
|
574 |
val master = #master (Thy_Load.deps_thy Path.current name);
|
wenzelm@32126
|
575 |
val upd_time = #2 (Management_Data.get thy);
|
wenzelm@24080
|
576 |
in
|
wenzelm@24080
|
577 |
CRITICAL (fn () =>
|
wenzelm@24190
|
578 |
(change_deps name (Option.map
|
wenzelm@24190
|
579 |
(fn {parents, files, ...} => make_deps upd_time (SOME master) [] parents files));
|
wenzelm@24080
|
580 |
perform Update name))
|
wenzelm@24080
|
581 |
end;
|
wenzelm@6211
|
582 |
|
wenzelm@6211
|
583 |
fun register_theory theory =
|
wenzelm@6211
|
584 |
let
|
wenzelm@16454
|
585 |
val name = Context.theory_name theory;
|
wenzelm@6211
|
586 |
val parents = Theory.parents_of theory;
|
wenzelm@16454
|
587 |
val parent_names = map Context.theory_name parents;
|
wenzelm@6211
|
588 |
|
wenzelm@6211
|
589 |
fun err txt bads =
|
wenzelm@23871
|
590 |
error (loader_msg txt bads ^ "\ncannot register theory " ^ quote name);
|
wenzelm@6211
|
591 |
|
wenzelm@6666
|
592 |
val nonfinished = filter_out is_finished parent_names;
|
wenzelm@6211
|
593 |
fun get_variant (x, y_name) =
|
skalberg@15531
|
594 |
if Theory.eq_thy (x, get_theory y_name) then NONE
|
skalberg@15531
|
595 |
else SOME y_name;
|
wenzelm@19482
|
596 |
val variants = map_filter get_variant (parents ~~ parent_names);
|
wenzelm@6211
|
597 |
|
wenzelm@6211
|
598 |
fun register G =
|
skalberg@15531
|
599 |
(Graph.new_node (name, (NONE, SOME theory)) G
|
wenzelm@9327
|
600 |
handle Graph.DUP _ => err "duplicate theory entry" [])
|
wenzelm@6211
|
601 |
|> add_deps name parent_names;
|
wenzelm@6211
|
602 |
in
|
wenzelm@6666
|
603 |
if not (null nonfinished) then err "non-finished parent theories" nonfinished
|
wenzelm@6211
|
604 |
else if not (null variants) then err "different versions of parent theories" variants
|
wenzelm@23939
|
605 |
else CRITICAL (fn () => (change_thys register; perform Update name))
|
wenzelm@6211
|
606 |
end;
|
wenzelm@6211
|
607 |
|
wenzelm@24080
|
608 |
|
wenzelm@24080
|
609 |
(* finish all theories *)
|
wenzelm@24080
|
610 |
|
wenzelm@28976
|
611 |
fun finish () = change_thys (Graph.map_nodes (fn (_, entry) => (NONE, entry)));
|
wenzelm@24080
|
612 |
|
wenzelm@6211
|
613 |
end;
|