src/Pure/Isar/isar_cmd.ML
author wenzelm
Wed Oct 11 22:55:15 2006 +0200 (2006-10-11 ago)
changeset 20978 51956522c306
parent 20957 f2a795db0500
child 21003 37492b0062c6
permissions -rw-r--r--
removed 'undo_end', recovered 'cannot_undo';
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(*  Title:      Pure/Isar/isar_cmd.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Non-logical toplevel commands.
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*)
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signature ISAR_CMD =
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sig
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  val welcome: Toplevel.transition -> Toplevel.transition
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  val init_toplevel: Toplevel.transition -> Toplevel.transition
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  val exit: Toplevel.transition -> Toplevel.transition
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  val quit: Toplevel.transition -> Toplevel.transition
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  val touch_child_thys: string -> Toplevel.transition -> Toplevel.transition
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  val touch_all_thys: Toplevel.transition -> Toplevel.transition
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  val touch_thy: string -> Toplevel.transition -> Toplevel.transition
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  val remove_thy: string -> Toplevel.transition -> Toplevel.transition
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  val kill_thy: string -> Toplevel.transition -> Toplevel.transition
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  val pr: string list * (int option * int option) -> Toplevel.transition -> Toplevel.transition
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  val disable_pr: Toplevel.transition -> Toplevel.transition
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  val enable_pr: Toplevel.transition -> Toplevel.transition
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  val cannot_undo: string -> Toplevel.transition -> Toplevel.transition
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  val clear_undos_theory: int -> Toplevel.transition -> Toplevel.transition
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  val redo: Toplevel.transition -> Toplevel.transition
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  val undos_proof: int -> Toplevel.transition -> Toplevel.transition
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  val kill_proof_notify: (unit -> unit) -> Toplevel.transition -> Toplevel.transition
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  val kill_proof: Toplevel.transition -> Toplevel.transition
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  val undo_theory: Toplevel.transition -> Toplevel.transition
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  val undo: Toplevel.transition -> Toplevel.transition
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  val kill: Toplevel.transition -> Toplevel.transition
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  val back: Toplevel.transition -> Toplevel.transition
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  val use: Path.T -> Toplevel.transition -> Toplevel.transition
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  val use_mltext_theory: string -> Toplevel.transition -> Toplevel.transition
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  val use_mltext: bool -> string -> Toplevel.transition -> Toplevel.transition
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  val use_commit: Toplevel.transition -> Toplevel.transition
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  val cd: Path.T -> Toplevel.transition -> Toplevel.transition
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  val pwd: Toplevel.transition -> Toplevel.transition
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  val use_thy: string -> Toplevel.transition -> Toplevel.transition
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  val use_thy_only: string -> Toplevel.transition -> Toplevel.transition
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  val update_thy: string -> Toplevel.transition -> Toplevel.transition
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  val update_thy_only: string -> Toplevel.transition -> Toplevel.transition
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  val display_drafts: Path.T list -> Toplevel.transition -> Toplevel.transition
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  val print_drafts: Path.T list -> Toplevel.transition -> Toplevel.transition
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  val pretty_setmargin: int -> Toplevel.transition -> Toplevel.transition
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  val print_context: Toplevel.transition -> Toplevel.transition
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  val print_theory: bool -> Toplevel.transition -> Toplevel.transition
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  val print_syntax: Toplevel.transition -> Toplevel.transition
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  val print_theorems: Toplevel.transition -> Toplevel.transition
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  val print_locales: Toplevel.transition -> Toplevel.transition
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  val print_locale: bool * (Locale.expr * Element.context list)
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    -> Toplevel.transition -> Toplevel.transition
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  val print_registrations: bool -> string -> Toplevel.transition -> Toplevel.transition
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  val print_attributes: Toplevel.transition -> Toplevel.transition
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  val print_simpset: Toplevel.transition -> Toplevel.transition
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  val print_rules: Toplevel.transition -> Toplevel.transition
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  val print_induct_rules: Toplevel.transition -> Toplevel.transition
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  val print_trans_rules: Toplevel.transition -> Toplevel.transition
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  val print_methods: Toplevel.transition -> Toplevel.transition
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  val print_antiquotations: Toplevel.transition -> Toplevel.transition
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  val class_deps: Toplevel.transition -> Toplevel.transition
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  val thm_deps: (thmref * Attrib.src list) list -> Toplevel.transition -> Toplevel.transition
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  val find_theorems: int option * (bool * string FindTheorems.criterion) list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_binds: Toplevel.transition -> Toplevel.transition
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  val print_lthms: Toplevel.transition -> Toplevel.transition
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  val print_cases: Toplevel.transition -> Toplevel.transition
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  val print_stmts: string list * (thmref * Attrib.src list) list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_thms: string list * (thmref * Attrib.src list) list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_prfs: bool -> string list * (thmref * Attrib.src list) list option
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    -> Toplevel.transition -> Toplevel.transition
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  val print_prop: (string list * string) -> Toplevel.transition -> Toplevel.transition
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  val print_term: (string list * string) -> Toplevel.transition -> Toplevel.transition
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  val print_type: (string list * string) -> Toplevel.transition -> Toplevel.transition
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  val add_header: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_chapter: xstring option * (string * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val add_section: xstring option * (string * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val add_subsection: xstring option * (string * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val add_subsubsection: xstring option * (string * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val add_text: xstring option * (string * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val add_text_raw: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_sect: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_subsect: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_subsubsect: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_txt: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_txt_raw: string * Position.T -> Toplevel.transition -> Toplevel.transition
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end;
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structure IsarCmd: ISAR_CMD =
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struct
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(* variations on init / exit *)
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val init_toplevel = Toplevel.imperative (fn () => raise Toplevel.RESTART);
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val welcome = Toplevel.imperative (writeln o Session.welcome);
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val exit = Toplevel.keep (fn state =>
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  (Context.set_context (try Toplevel.theory_of state);
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    writeln "Leaving the Isar loop.  Invoke 'Isar.loop();' to continue.";
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    raise Toplevel.TERMINATE));
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val quit = Toplevel.imperative quit;
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(* touch theories *)
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fun touch_child_thys name = Toplevel.imperative (fn () => ThyInfo.touch_child_thys name);
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val touch_all_thys = Toplevel.imperative ThyInfo.touch_all_thys;
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fun touch_thy name = Toplevel.imperative (fn () => ThyInfo.touch_thy name);
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fun remove_thy name = Toplevel.imperative (fn () => ThyInfo.remove_thy name);
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fun kill_thy name = Toplevel.imperative (fn () => IsarThy.kill_theory name);
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(* print state *)
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fun with_modes modes e =
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  Library.setmp print_mode (modes @ ! print_mode) e ();
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fun set_limit _ NONE = ()
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  | set_limit r (SOME n) = r := n;
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fun pr (modes, (lim1, lim2)) = Toplevel.keep (fn state =>
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  (set_limit goals_limit lim1; set_limit ProofContext.prems_limit lim2; Toplevel.quiet := false;
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    with_modes modes (fn () => Toplevel.print_state true state)));
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val disable_pr = Toplevel.imperative (fn () => Toplevel.quiet := true);
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val enable_pr = Toplevel.imperative (fn () => Toplevel.quiet := false);
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(* history commands *)
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fun cannot_undo txt = Toplevel.imperative (fn () => error ("Cannot undo " ^ quote txt));
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val clear_undos_theory = Toplevel.history o History.clear;
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val redo =
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  Toplevel.history History.redo o
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  Toplevel.actual_proof ProofHistory.redo o
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  Toplevel.skip_proof History.redo;
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fun undos_proof n =
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  Toplevel.actual_proof (fn prf =>
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    if ProofHistory.is_initial prf then raise Toplevel.UNDEF else funpow n ProofHistory.undo prf) o
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  Toplevel.skip_proof (fn h =>
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    if History.is_initial h then raise Toplevel.UNDEF else funpow n History.undo h);
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fun kill_proof_notify (f: unit -> unit) = Toplevel.history (fn hist =>
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  if is_some (Toplevel.theory_node (History.current hist)) then raise Toplevel.UNDEF
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  else (f (); History.undo hist));
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val kill_proof = kill_proof_notify (K ());
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val undo_theory = Toplevel.history (fn hist =>
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  if History.is_initial hist then raise Toplevel.UNDEF else History.undo hist);
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val undo = Toplevel.kill o undo_theory o undos_proof 1;
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val kill = Toplevel.kill o Toplevel.exit_local_theory o kill_proof;
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val back =
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  Toplevel.actual_proof ProofHistory.back o
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  Toplevel.skip_proof (History.apply I);
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(* use ML text *)
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fun use path = Toplevel.keep (fn state =>
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  Context.setmp (try Toplevel.theory_of state) (ThyInfo.load_file false) path);
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(*passes changes of theory context*)
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val use_mltext_theory = Toplevel.theory' o Context.use_mltext_theory;
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(*ignore result theory context*)
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fun use_mltext v txt = Toplevel.keep' (fn verb => fn state =>
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  (Context.use_mltext txt (v andalso verb) (try Toplevel.theory_of state)));
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val use_commit = Toplevel.imperative Secure.commit;
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(* current working directory *)
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fun cd path = Toplevel.imperative (fn () => (File.cd path));
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val pwd = Toplevel.imperative (fn () => writeln (Path.pack (File.pwd ())));
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(* load theory files *)
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fun use_thy name = Toplevel.imperative (fn () => Context.save ThyInfo.use_thy name);
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fun use_thy_only name = Toplevel.imperative (fn () => Context.save ThyInfo.use_thy_only name);
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fun update_thy name = Toplevel.imperative (fn () => Context.save ThyInfo.update_thy name);
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fun update_thy_only name =
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  Toplevel.imperative (fn () => Context.save ThyInfo.update_thy_only name);
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(* present draft files *)
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fun display_drafts files = Toplevel.imperative (fn () =>
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  let val outfile = File.shell_path (Present.drafts (getenv "ISABELLE_DOC_FORMAT") files)
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  in File.isatool ("display -c " ^ outfile ^ " &"); () end);
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fun print_drafts files = Toplevel.imperative (fn () =>
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  let val outfile = File.shell_path (Present.drafts "ps" files)
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  in File.isatool ("print -c " ^ outfile); () end);
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(* pretty_setmargin *)
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fun pretty_setmargin n = Toplevel.imperative (fn () => Pretty.setmargin n);
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(* print parts of theory and proof context *)
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val print_context = Toplevel.keep Toplevel.print_state_context;
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fun print_theory verbose = Toplevel.unknown_theory o
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  Toplevel.keep (ProofDisplay.print_full_theory verbose o Toplevel.theory_of);
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val print_syntax = Toplevel.unknown_theory o
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  Toplevel.keep (Display.print_syntax o Toplevel.theory_of) o
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  Toplevel.keep (ProofContext.print_syntax o Proof.context_of o Toplevel.proof_of);
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val print_theorems_proof = Toplevel.keep (fn state =>
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  ProofContext.setmp_verbose
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    ProofContext.print_lthms (Proof.context_of (Toplevel.proof_of state)));
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val print_theorems_theory = Toplevel.keep (fn state =>
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  Toplevel.theory_of state |>
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  (case Option.map Toplevel.theory_node (History.previous (Toplevel.node_history_of state)) of
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    SOME (SOME prev_thy) => ProofDisplay.print_theorems_diff (Context.theory_of prev_thy)
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  | _ => ProofDisplay.print_theorems));
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val print_theorems = Toplevel.unknown_theory o print_theorems_theory o print_theorems_proof;
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val print_locales = Toplevel.unknown_theory o
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  Toplevel.keep (Locale.print_locales o Toplevel.theory_of);
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fun print_locale (show_facts, (import, body)) = Toplevel.unknown_theory o
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  Toplevel.keep (fn state =>
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    Locale.print_locale (Toplevel.theory_of state) show_facts import body);
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fun print_registrations show_wits name = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case
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      (Context.cases (Locale.print_global_registrations show_wits name)
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        (Locale.print_local_registrations show_wits name))
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    (Locale.print_local_registrations show_wits name o Proof.context_of));
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val print_attributes = Toplevel.unknown_theory o
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  Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of);
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val print_simpset = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case
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    (Context.cases Simplifier.print_simpset Simplifier.print_local_simpset)
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    (Simplifier.print_local_simpset o Proof.context_of));
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val print_rules = Toplevel.unknown_context o
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  Toplevel.keep (ContextRules.print_rules o Toplevel.context_of);
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val print_induct_rules = Toplevel.unknown_context o
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  Toplevel.keep (InductAttrib.print_rules o Toplevel.context_of);
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val print_trans_rules = Toplevel.unknown_context o
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  Toplevel.keep (Calculation.print_rules o Toplevel.context_of);
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val print_methods = Toplevel.unknown_theory o
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  Toplevel.keep (Method.print_methods o Toplevel.theory_of);
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val print_antiquotations = Toplevel.imperative IsarOutput.print_antiquotations;
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val class_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  let
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    val thy = Toplevel.theory_of state;
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    val {classes = (space, algebra), ...} = Type.rep_tsig (Sign.tsig_of thy);
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    val {classes, ...} = Sorts.rep_algebra algebra;
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    fun entry (c, (i, (_, cs))) =
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      (i, {name = NameSpace.extern space c, ID = c, parents = cs,
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            dir = "", unfold = true, path = ""});
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    val gr =
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      Graph.fold (cons o entry) classes []
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      |> sort (int_ord o pairself #1) |> map #2;
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  in Present.display_graph gr end);
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(* retrieve theorems *)
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fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  ThmDeps.thm_deps (Proof.get_thmss (Toplevel.enter_forward_proof state) args));
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fun find_theorems (opt_lim, spec) = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  let
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    val proof_state = Toplevel.enter_forward_proof state;
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    val ctxt = Proof.context_of proof_state;
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    val opt_goal = try Proof.get_goal proof_state |> Option.map (Thm.prop_of o #2 o #2);
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  in FindTheorems.print_theorems ctxt opt_goal opt_lim spec end);
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(* print proof context contents *)
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val print_binds = Toplevel.unknown_proof o Toplevel.keep (fn state =>
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  ProofContext.setmp_verbose
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    ProofContext.print_binds (Proof.context_of (Toplevel.proof_of state)));
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val print_lthms = Toplevel.unknown_proof o print_theorems_proof;
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val print_cases = Toplevel.unknown_proof o Toplevel.keep (fn state =>
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  ProofContext.setmp_verbose
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    ProofContext.print_cases (Proof.context_of (Toplevel.proof_of state)));
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wenzelm@5831
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wenzelm@19268
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(* print theorems, terms, types etc. *)
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wenzelm@19385
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local
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fun string_of_stmts state args =
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  Proof.get_thmss state args
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  |> map (Element.pretty_statement (Proof.context_of state) PureThy.lemmaK)
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  |> Pretty.chunks2 |> Pretty.string_of;
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fun string_of_thms state args =
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  Pretty.string_of (ProofContext.pretty_thms (Proof.context_of state)
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    (Proof.get_thmss state args));
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fun string_of_prfs full state arg =
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  Pretty.string_of (case arg of
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      NONE =>
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        let
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          val (ctxt, (_, thm)) = Proof.get_goal state;
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          val {thy, der = (_, prf), ...} = Thm.rep_thm thm;
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          val prop = Thm.full_prop_of thm;
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          val prf' = Proofterm.rewrite_proof_notypes ([], []) prf
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        in
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          ProofContext.pretty_proof ctxt
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            (if full then Reconstruct.reconstruct_proof thy prop prf' else prf')
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        end
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    | SOME args => Pretty.chunks
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        (map (ProofContext.pretty_proof_of (Proof.context_of state) full)
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          (Proof.get_thmss state args)));
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fun string_of_prop state s =
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  let
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    val ctxt = Proof.context_of state;
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    val prop = ProofContext.read_prop ctxt s;
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  in Pretty.string_of (Pretty.quote (ProofContext.pretty_term ctxt prop)) end;
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fun string_of_term state s =
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  let
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    val ctxt = Proof.context_of state;
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    val t = ProofContext.read_term ctxt s;
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    val T = Term.type_of t;
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  in
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    Pretty.string_of
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      (Pretty.block [Pretty.quote (ProofContext.pretty_term ctxt t), Pretty.fbrk,
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        Pretty.str "::", Pretty.brk 1, Pretty.quote (ProofContext.pretty_typ ctxt T)])
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  end;
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wenzelm@19385
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fun string_of_type state s =
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  let
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    val ctxt = Proof.context_of state;
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    val T = ProofContext.read_typ ctxt s;
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  in Pretty.string_of (Pretty.quote (ProofContext.pretty_typ ctxt T)) end;
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   366
wenzelm@19385
   367
fun print_item string_of (modes, arg) = Toplevel.keep (fn state => with_modes modes (fn () =>
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  writeln (string_of (Toplevel.enter_forward_proof state) arg)));
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   369
wenzelm@19385
   370
in
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   371
wenzelm@19268
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val print_stmts = print_item string_of_stmts;
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   373
val print_thms = print_item string_of_thms;
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   374
val print_prfs = print_item o string_of_prfs;
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   375
val print_prop = print_item string_of_prop;
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val print_term = print_item string_of_term;
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val print_type = print_item string_of_type;
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   378
wenzelm@19385
   379
end;
wenzelm@19385
   380
wenzelm@12938
   381
wenzelm@12938
   382
(* markup commands *)
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   383
wenzelm@12938
   384
fun add_header s = Toplevel.keep' (fn int => fn state =>
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  (Toplevel.assert (Toplevel.is_toplevel state);
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   386
   if int then OuterSyntax.check_text s NONE else ()));
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   387
wenzelm@12953
   388
local
wenzelm@12953
   389
wenzelm@19057
   390
fun present _ txt true node = OuterSyntax.check_text txt (SOME node)
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  | present f (s, _) false node =
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   392
      Context.setmp (try (Toplevel.cases_node Context.theory_of Proof.theory_of) node) f s;
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   393
wenzelm@19057
   394
fun present_local_theory f (loc, txt) = Toplevel.present_local_theory loc (present f txt);
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   395
fun present_proof f txt = Toplevel.print o Toplevel.present_proof (present f txt);
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   396
wenzelm@12953
   397
in
wenzelm@12953
   398
wenzelm@19057
   399
val add_chapter       = present_local_theory Present.section;
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   400
val add_section       = present_local_theory Present.section;
wenzelm@19057
   401
val add_subsection    = present_local_theory Present.subsection;
wenzelm@19057
   402
val add_subsubsection = present_local_theory Present.subsubsection;
wenzelm@19057
   403
val add_text          = present_local_theory (K ());
wenzelm@19057
   404
fun add_text_raw txt  = present_local_theory (K ()) (NONE, txt);
wenzelm@19057
   405
val add_txt           = present_proof (K ());
wenzelm@19057
   406
val add_txt_raw       = add_txt;
wenzelm@19057
   407
val add_sect          = add_txt;
wenzelm@19057
   408
val add_subsect       = add_txt;
wenzelm@19057
   409
val add_subsubsect    = add_txt;
wenzelm@12938
   410
wenzelm@5831
   411
end;
wenzelm@12953
   412
wenzelm@12953
   413
end;