src/Pure/Isar/isar_cmd.ML
author wenzelm
Wed Apr 13 18:34:22 2005 +0200 (2005-04-13 ago)
changeset 15703 727ef1b8b3ee
parent 15624 484178635bd8
child 15711 1218cde8da17
permissions -rw-r--r--
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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: bool -> 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: 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: Locale.expr * Locale.element list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_registrations: string -> Toplevel.transition -> Toplevel.transition
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  val print_attributes: 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 print_thms_containing: int option * string list
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    -> 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 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_intros: 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: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_section: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_subsection: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_subsubsection: string * Position.T -> Toplevel.transition -> Toplevel.transition
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  val add_text: string * Position.T -> 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 'loop();' to restart.";
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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 (ms, (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 ms (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 = Toplevel.history History.redo o Toplevel.proof'' ProofHistory.redo o
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  Toplevel.skip_proof History.redo;
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fun undos_proof n = Toplevel.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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  (case History.current hist of
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    Toplevel.Theory _ => raise Toplevel.UNDEF
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  | _ => (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 kill_proof;
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val back = Toplevel.proof o ProofHistory.back;
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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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(*Note: commit is dynamically bound*)
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val use_commit = use_mltext false "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.quote_sysify_path (Present.drafts (getenv "ISABELLE_DOC_FORMAT") files)
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  in system ("\"$ISATOOL\" display -c " ^ outfile ^ " &"); () end);
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fun print_drafts files = Toplevel.imperative (fn () =>
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  let val outfile = File.quote_sysify_path (Present.drafts "ps" files)
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  in system ("\"$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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val print_theory = Toplevel.unknown_theory o
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  Toplevel.keep (PureThy.print_theory 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 = Toplevel.unknown_theory o
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  Toplevel.keep (PureThy.print_theorems o Toplevel.theory_of);
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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 (import, body) = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  Locale.print_locale (Toplevel.theory_of state) import body);
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fun print_registrations name = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case (Locale.print_global_registrations name)
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    (Locale.print_local_registrations 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_rules = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case ContextRules.print_global_rules
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    (ContextRules.print_local_rules o Proof.context_of));
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val print_induct_rules = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case InductAttrib.print_global_rules
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    (InductAttrib.print_local_rules o Proof.context_of));
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val print_trans_rules = Toplevel.unknown_context o
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  Toplevel.keep (Toplevel.node_case Calculation.print_global_rules
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    (Calculation.print_local_rules o Proof.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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fun print_thms_containing (lim, spec) = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  ProofContext.print_thms_containing
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    (Toplevel.node_case ProofContext.init Proof.context_of state) lim spec);
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fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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  ThmDeps.thm_deps (IsarThy.get_thmss args (Toplevel.enter_forward_proof state)));
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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 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_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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val print_intros = Toplevel.unknown_proof o Toplevel.keep (fn state =>
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  let
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    val (ctxt, (_, st)) = Proof.get_goal (Toplevel.proof_of state)
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    val prt_fact = ProofContext.pretty_fact ctxt
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    val thy = ProofContext.theory_of ctxt
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    val facts = map (apsnd single) (PureThy.find_intros_goal thy st 1)
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  in map prt_fact (rev facts) |> Pretty.chunks |> Pretty.writeln end);
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(* print theorems / types / terms / props *)
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fun string_of_thms state ms args = with_modes ms (fn () =>
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  Pretty.string_of (ProofContext.pretty_thms (Proof.context_of state)
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    (IsarThy.get_thmss args state)));
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fun string_of_prfs full state ms arg = with_modes ms (fn () =>
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  Pretty.string_of (case arg of    (* FIXME context syntax!? *)
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      NONE =>
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        let
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          val (_, (_, thm)) = Proof.get_goal state;
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          val {sign, prop, der = (_, prf), ...} = rep_thm thm;
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          val prf' = Proofterm.rewrite_proof_notypes ([], []) prf
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        in
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          ProofSyntax.pretty_proof sign
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            (if full then Reconstruct.reconstruct_proof sign prop prf' else prf')
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        end
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    | SOME args => Pretty.chunks
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        (map (ProofSyntax.pretty_proof_of full) (IsarThy.get_thmss args state))));
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fun string_of_prop state ms 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
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    with_modes ms (fn () => Pretty.string_of (Pretty.quote (ProofContext.pretty_term ctxt prop)))
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  end;
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fun string_of_term state ms 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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    with_modes ms (fn () => 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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fun string_of_type state ms 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 with_modes ms (fn () => Pretty.string_of (Pretty.quote (ProofContext.pretty_typ ctxt T))) end;
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fun print_item string_of (x, y) = Toplevel.keep (fn state =>
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  writeln (string_of (Toplevel.enter_forward_proof state) x y));
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val print_thms = print_item string_of_thms;
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fun print_prfs full = print_item (string_of_prfs full);
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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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(* markup commands *)
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fun add_header s = Toplevel.keep' (fn int => fn state =>
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  (if Toplevel.is_toplevel state then () else raise Toplevel.UNDEF;
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    OuterSyntax.check_text s int state));
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local
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fun present_text assert_proof present (s, pos) = Toplevel.keep' (fn int => fn state =>
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  (if can Toplevel.proof_of state = assert_proof then () else raise Toplevel.UNDEF;
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    Context.setmp (SOME (Toplevel.theory_of state)) present s;
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    OuterSyntax.check_text (s, pos) int state;
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    raise Toplevel.UNDEF));
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fun theory f x = Toplevel.theory I o present_text false f x;
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fun proof f x = Toplevel.print o Toplevel.proof (ProofHistory.apply I) o present_text true f x;
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in
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val add_chapter = theory Present.section;
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val add_section = theory Present.section;
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val add_subsection = theory Present.subsection;
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val add_subsubsection = theory Present.subsubsection;
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val add_text = theory (K ());
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val add_text_raw = add_text;
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val add_txt = proof (K ());
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val add_txt_raw = add_txt;
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val add_sect = add_txt;
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val add_subsect = add_txt;
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val add_subsubsect = add_txt;
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end;
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end;