src/Pure/Isar/isar_cmd.ML
author wenzelm
Sat Nov 27 15:28:00 2010 +0100 (2010-11-27 ago)
changeset 40743 b07a0dbc8a38
parent 40395 4985aaade799
child 40784 177e8cea3e09
permissions -rw-r--r--
more explicit Isabelle_System operations;
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(*  Title:      Pure/Isar/isar_cmd.ML
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    Author:     Markus Wenzel, TU Muenchen
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Miscellaneous Isar commands.
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*)
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signature ISAR_CMD =
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sig
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  val global_setup: Symbol_Pos.text * Position.T -> theory -> theory
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  val local_setup: Symbol_Pos.text * Position.T -> Proof.context -> Proof.context
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  val parse_ast_translation: bool * (Symbol_Pos.text * Position.T) -> theory -> theory
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  val parse_translation: bool * (Symbol_Pos.text * Position.T) -> theory -> theory
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  val print_translation: bool * (Symbol_Pos.text * Position.T) -> theory -> theory
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  val typed_print_translation: bool * (Symbol_Pos.text * Position.T) -> theory -> theory
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  val print_ast_translation: bool * (Symbol_Pos.text * Position.T) -> theory -> theory
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  val oracle: bstring * Position.T -> Symbol_Pos.text * Position.T -> theory -> theory
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  val add_axioms: (Attrib.binding * string) list -> theory -> theory
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  val add_defs: (bool * bool) * ((binding * string) * Attrib.src list) list -> theory -> theory
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  val declaration: bool -> Symbol_Pos.text * Position.T -> local_theory -> local_theory
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  val simproc_setup: string -> string list -> Symbol_Pos.text * Position.T -> string list ->
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    local_theory -> local_theory
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  val hide_class: bool -> xstring list -> theory -> theory
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  val hide_type: bool -> xstring list -> theory -> theory
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  val hide_const: bool -> xstring list -> theory -> theory
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  val hide_fact: bool -> xstring list -> theory -> theory
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  val have: (Attrib.binding * (string * string list) list) list -> bool -> Proof.state -> Proof.state
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  val hence: (Attrib.binding * (string * string list) list) list -> bool -> Proof.state -> Proof.state
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  val show: (Attrib.binding * (string * string list) list) list -> bool -> Proof.state -> Proof.state
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  val thus: (Attrib.binding * (string * string list) list) list -> bool -> Proof.state -> Proof.state
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  val qed: Method.text option -> Toplevel.transition -> Toplevel.transition
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  val terminal_proof: Method.text * Method.text option ->
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    Toplevel.transition -> Toplevel.transition
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  val default_proof: Toplevel.transition -> Toplevel.transition
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  val immediate_proof: Toplevel.transition -> Toplevel.transition
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  val done_proof: Toplevel.transition -> Toplevel.transition
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  val skip_proof: Toplevel.transition -> Toplevel.transition
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  val ml_diag: bool -> Symbol_Pos.text * Position.T -> Toplevel.transition -> Toplevel.transition
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  val diag_state: unit -> Toplevel.state
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  val diag_goal: unit -> {context: Proof.context, facts: thm list, goal: thm}
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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 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_abbrevs: Toplevel.transition -> Toplevel.transition
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  val print_facts: Toplevel.transition -> Toplevel.transition
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  val print_configs: Toplevel.transition -> Toplevel.transition
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  val print_theorems: bool -> Toplevel.transition -> Toplevel.transition
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  val print_locales: Toplevel.transition -> Toplevel.transition
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  val print_locale: bool * xstring -> 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_simpset: Toplevel.transition -> Toplevel.transition
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  val print_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 thy_deps: Toplevel.transition -> Toplevel.transition
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  val thm_deps: (Facts.ref * Attrib.src list) list -> Toplevel.transition -> Toplevel.transition
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  val unused_thms: (string list * string list option) option ->
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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_cases: Toplevel.transition -> Toplevel.transition
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  val print_stmts: string list * (Facts.ref * Attrib.src list) list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_thms: string list * (Facts.ref * Attrib.src list) list
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    -> Toplevel.transition -> Toplevel.transition
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  val print_prfs: bool -> string list * (Facts.ref * 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 header_markup: Symbol_Pos.text * Position.T -> Toplevel.transition -> Toplevel.transition
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  val local_theory_markup: xstring option * (Symbol_Pos.text * Position.T) ->
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    Toplevel.transition -> Toplevel.transition
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  val proof_markup: Symbol_Pos.text * Position.T -> Toplevel.transition -> Toplevel.transition
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end;
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structure Isar_Cmd: ISAR_CMD =
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struct
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(** theory declarations **)
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(* generic setup *)
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fun global_setup (txt, pos) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos "val setup: theory -> theory" "Context.map_theory setup"
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  |> Context.theory_map;
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fun local_setup (txt, pos) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos "val setup: local_theory -> local_theory" "Context.map_proof setup"
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  |> Context.proof_map;
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(* translation functions *)
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local
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fun advancedT false = ""
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  | advancedT true = "Proof.context -> ";
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fun advancedN false = ""
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  | advancedN true = "advanced_";
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in
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fun parse_ast_translation (a, (txt, pos)) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    ("val parse_ast_translation: (string * (" ^ advancedT a ^
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      "Syntax.ast list -> Syntax.ast)) list")
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    ("Context.map_theory (Sign.add_" ^ advancedN a ^ "trfuns (parse_ast_translation, [], [], []))")
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  |> Context.theory_map;
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fun parse_translation (a, (txt, pos)) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    ("val parse_translation: (string * (" ^ advancedT a ^
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      "term list -> term)) list")
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    ("Context.map_theory (Sign.add_" ^ advancedN a ^ "trfuns ([], parse_translation, [], []))")
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  |> Context.theory_map;
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fun print_translation (a, (txt, pos)) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    ("val print_translation: (string * (" ^ advancedT a ^
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      "term list -> term)) list")
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    ("Context.map_theory (Sign.add_" ^ advancedN a ^ "trfuns ([], [], print_translation, []))")
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  |> Context.theory_map;
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fun print_ast_translation (a, (txt, pos)) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    ("val print_ast_translation: (string * (" ^ advancedT a ^
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      "Syntax.ast list -> Syntax.ast)) list")
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    ("Context.map_theory (Sign.add_" ^ advancedN a ^ "trfuns ([], [], [], print_ast_translation))")
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  |> Context.theory_map;
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fun typed_print_translation (a, (txt, pos)) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    ("val typed_print_translation: (string * (" ^ advancedT a ^
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      "bool -> typ -> term list -> term)) list")
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    ("Context.map_theory (Sign.add_" ^ advancedN a ^ "trfunsT typed_print_translation)")
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  |> Context.theory_map;
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end;
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(* oracles *)
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fun oracle (name, pos) (body_txt, body_pos) =
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  let
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    val body = ML_Lex.read body_pos body_txt;
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    val ants =
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      ML_Lex.read Position.none
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       ("local\n\
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        \  val binding = " ^ ML_Syntax.make_binding (name, pos) ^ ";\n\
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        \  val body = ") @ body @ ML_Lex.read Position.none (";\n\
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        \in\n\
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        \  val " ^ name ^ " = snd (Context.>>> (Context.map_theory_result (Thm.add_oracle (binding, body))));\n\
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        \end;\n");
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  in Context.theory_map (ML_Context.exec (fn () => ML_Context.eval false body_pos ants)) end;
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(* old-style axioms *)
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val add_axioms = fold (snd oo Specification.axiom_cmd);
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fun add_defs ((unchecked, overloaded), args) thy =
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  thy |>
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    (if unchecked then Global_Theory.add_defs_unchecked_cmd else Global_Theory.add_defs_cmd)
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      overloaded (map (fn ((b, ax), srcs) => ((b, ax), map (Attrib.attribute thy) srcs)) args)
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  |> snd;
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(* declarations *)
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fun declaration pervasive (txt, pos) =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    "val declaration: Morphism.declaration"
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    ("Context.map_proof (Local_Theory.declaration " ^ Bool.toString pervasive ^ " declaration)")
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  |> Context.proof_map;
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(* simprocs *)
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fun simproc_setup name lhss (txt, pos) identifier =
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  ML_Lex.read pos txt
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  |> ML_Context.expression pos
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    "val proc: Morphism.morphism -> Simplifier.simpset -> cterm -> thm option"
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    ("Context.map_proof (Simplifier.def_simproc {name = " ^ ML_Syntax.print_string name ^ ", \
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      \lhss = " ^ ML_Syntax.print_strings lhss ^ ", proc = proc, \
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      \identifier = Library.maps ML_Context.thms " ^ ML_Syntax.print_strings identifier ^ "})")
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  |> Context.proof_map;
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(* hide names *)
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fun hide_names intern check hide fully xnames thy =
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  let
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    val names = map (intern thy) xnames;
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    val bads = filter_out (check thy) names;
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  in
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    if null bads then fold (hide fully) names thy
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    else error ("Attempt to hide undeclared item(s): " ^ commas_quote bads)
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  end;
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val hide_class = hide_names Sign.intern_class (can o Sign.certify_class) Sign.hide_class;
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val hide_type = hide_names Sign.intern_type Sign.declared_tyname Sign.hide_type;
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val hide_const = hide_names Sign.intern_const Sign.declared_const Sign.hide_const;
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val hide_fact =
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  hide_names Global_Theory.intern_fact Global_Theory.defined_fact Global_Theory.hide_fact;
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(* goals *)
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fun goal opt_chain goal stmt int =
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  opt_chain #> goal NONE (K I) stmt int;
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val have = goal I Proof.have_cmd;
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val hence = goal Proof.chain Proof.have_cmd;
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val show = goal I Proof.show_cmd;
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val thus = goal Proof.chain Proof.show_cmd;
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(* local endings *)
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fun local_qed m = Toplevel.proof (Proof.local_qed (m, true));
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val local_terminal_proof = Toplevel.proof' o Proof.local_future_terminal_proof;
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val local_default_proof = Toplevel.proof Proof.local_default_proof;
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val local_immediate_proof = Toplevel.proof Proof.local_immediate_proof;
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val local_done_proof = Toplevel.proof Proof.local_done_proof;
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val local_skip_proof = Toplevel.proof' Proof.local_skip_proof;
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val skip_local_qed = Toplevel.skip_proof (fn i => if i > 1 then i - 1 else raise Toplevel.UNDEF);
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(* global endings *)
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fun global_qed m = Toplevel.end_proof (K (Proof.global_qed (m, true)));
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val global_terminal_proof = Toplevel.end_proof o K o Proof.global_terminal_proof;
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val global_default_proof = Toplevel.end_proof (K Proof.global_default_proof);
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val global_immediate_proof = Toplevel.end_proof (K Proof.global_immediate_proof);
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val global_skip_proof = Toplevel.end_proof Proof.global_skip_proof;
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val global_done_proof = Toplevel.end_proof (K Proof.global_done_proof);
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val skip_global_qed = Toplevel.skip_proof_to_theory (fn n => n = 1);
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(* common endings *)
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fun qed m = local_qed m o global_qed m o skip_local_qed o skip_global_qed;
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fun terminal_proof m = local_terminal_proof m o global_terminal_proof m;
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val default_proof = local_default_proof o global_default_proof;
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val immediate_proof = local_immediate_proof o global_immediate_proof;
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val done_proof = local_done_proof o global_done_proof;
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val skip_proof = local_skip_proof o global_skip_proof;
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(* diagnostic ML evaluation *)
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structure Diag_State = Proof_Data
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(
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  type T = Toplevel.state;
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  fun init _ = Toplevel.toplevel;
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);
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fun ml_diag verbose (txt, pos) = Toplevel.keep (fn state =>
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  let val opt_ctxt =
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    try Toplevel.generic_theory_of state
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    |> Option.map (Context.proof_of #> Diag_State.put state)
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  in ML_Context.eval_text_in opt_ctxt verbose pos txt end);
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fun diag_state () = Diag_State.get (ML_Context.the_local_context ());
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fun diag_goal () =
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  Proof.goal (Toplevel.proof_of (diag_state ()))
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    handle Toplevel.UNDEF => error "No goal present";
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val _ = ML_Antiquote.value "Isar.state" (Scan.succeed "Isar_Cmd.diag_state ()");
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val _ = ML_Antiquote.value "Isar.goal" (Scan.succeed "Isar_Cmd.diag_goal ()");
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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 Isabelle_System.isabelle_tool "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 Isabelle_System.isabelle_tool "print" ("-c " ^ outfile); () end);
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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 (Pretty.writeln o Proof_Display.pretty_full_theory verbose o Toplevel.theory_of);
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val print_syntax = Toplevel.unknown_context o
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  Toplevel.keep (ProofContext.print_syntax o Toplevel.context_of);
wenzelm@9513
   310
wenzelm@21725
   311
val print_abbrevs = Toplevel.unknown_context o
wenzelm@21725
   312
  Toplevel.keep (ProofContext.print_abbrevs o Toplevel.context_of);
wenzelm@21725
   313
wenzelm@35141
   314
val print_facts = Toplevel.unknown_context o
wenzelm@35141
   315
  Toplevel.keep (ProofContext.print_lthms o Toplevel.context_of);
wenzelm@21003
   316
wenzelm@35141
   317
val print_configs = Toplevel.unknown_context o
wenzelm@35141
   318
  Toplevel.keep (Attrib.print_configs o Toplevel.context_of);
wenzelm@23989
   319
wenzelm@35141
   320
val print_theorems_proof =
wenzelm@35141
   321
  Toplevel.keep (ProofContext.print_lthms o Proof.context_of o Toplevel.proof_of);
wenzelm@17066
   322
wenzelm@33515
   323
fun print_theorems_theory verbose = Toplevel.keep (fn state =>
wenzelm@18588
   324
  Toplevel.theory_of state |>
wenzelm@30801
   325
  (case Toplevel.previous_context_of state of
wenzelm@33515
   326
    SOME prev => Proof_Display.print_theorems_diff verbose (ProofContext.theory_of prev)
wenzelm@33515
   327
  | NONE => Proof_Display.print_theorems verbose));
wenzelm@18588
   328
wenzelm@33515
   329
fun print_theorems verbose =
wenzelm@33515
   330
  Toplevel.unknown_context o print_theorems_theory verbose o print_theorems_proof;
wenzelm@9513
   331
wenzelm@12060
   332
val print_locales = Toplevel.unknown_theory o
haftmann@29360
   333
  Toplevel.keep (Locale.print_locales o Toplevel.theory_of);
wenzelm@12060
   334
wenzelm@33515
   335
fun print_locale (verbose, name) = Toplevel.unknown_theory o
wenzelm@33515
   336
  Toplevel.keep (fn state => Locale.print_locale (Toplevel.theory_of state) verbose name);
ballarin@15596
   337
ballarin@32804
   338
fun print_registrations name = Toplevel.unknown_context o
ballarin@32804
   339
  Toplevel.keep (fn state =>
ballarin@38109
   340
    Locale.print_registrations (Toplevel.context_of state) name);
ballarin@32804
   341
wenzelm@9513
   342
val print_attributes = Toplevel.unknown_theory o
wenzelm@9513
   343
  Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of);
wenzelm@9513
   344
wenzelm@16026
   345
val print_simpset = Toplevel.unknown_context o
wenzelm@30357
   346
  Toplevel.keep (fn state =>
wenzelm@30357
   347
    let val ctxt = Toplevel.context_of state
wenzelm@32149
   348
    in Pretty.writeln (Simplifier.pretty_ss ctxt (simpset_of ctxt)) end);
wenzelm@16026
   349
wenzelm@12382
   350
val print_rules = Toplevel.unknown_context o
wenzelm@33369
   351
  Toplevel.keep (Context_Rules.print_rules o Toplevel.context_of);
wenzelm@12382
   352
wenzelm@9513
   353
val print_trans_rules = Toplevel.unknown_context o
wenzelm@18639
   354
  Toplevel.keep (Calculation.print_rules o Toplevel.context_of);
wenzelm@9513
   355
wenzelm@9513
   356
val print_methods = Toplevel.unknown_theory o
wenzelm@9513
   357
  Toplevel.keep (Method.print_methods o Toplevel.theory_of);
wenzelm@9513
   358
wenzelm@37216
   359
val print_antiquotations = Toplevel.imperative Thy_Output.print_antiquotations;
wenzelm@5831
   360
haftmann@22485
   361
val thy_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
haftmann@22485
   362
  let
haftmann@22485
   363
    val thy = Toplevel.theory_of state;
wenzelm@37866
   364
    val thy_session = Present.session_name thy;
wenzelm@37866
   365
wenzelm@38139
   366
    val all_thys = rev (thy :: Theory.ancestors_of thy);
wenzelm@22604
   367
    val gr = all_thys |> map (fn node =>
wenzelm@22602
   368
      let
wenzelm@22602
   369
        val name = Context.theory_name node;
wenzelm@22602
   370
        val parents = map Context.theory_name (Theory.parents_of node);
wenzelm@37866
   371
        val session = Present.session_name node;
wenzelm@37866
   372
        val unfold = (session = thy_session);
wenzelm@37866
   373
      in {name = name, ID = name, parents = parents, dir = session, unfold = unfold, path = ""} end);
wenzelm@22602
   374
  in Present.display_graph gr end);
haftmann@22485
   375
wenzelm@20574
   376
val class_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
wenzelm@20574
   377
  let
wenzelm@20574
   378
    val thy = Toplevel.theory_of state;
wenzelm@20574
   379
    val {classes = (space, algebra), ...} = Type.rep_tsig (Sign.tsig_of thy);
wenzelm@36328
   380
    val classes = Sorts.classes_of algebra;
wenzelm@20574
   381
    fun entry (c, (i, (_, cs))) =
wenzelm@33095
   382
      (i, {name = Name_Space.extern space c, ID = c, parents = cs,
wenzelm@20574
   383
            dir = "", unfold = true, path = ""});
wenzelm@20574
   384
    val gr =
wenzelm@20574
   385
      Graph.fold (cons o entry) classes []
wenzelm@20574
   386
      |> sort (int_ord o pairself #1) |> map #2;
wenzelm@20574
   387
  in Present.display_graph gr end);
wenzelm@20574
   388
wenzelm@9513
   389
fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state =>
wenzelm@37870
   390
  Thm_Deps.thm_deps (Toplevel.theory_of state)
wenzelm@38331
   391
    (Attrib.eval_thms (Toplevel.context_of state) args));
wenzelm@9454
   392
wenzelm@5831
   393
berghofe@26184
   394
(* find unused theorems *)
berghofe@26184
   395
wenzelm@26186
   396
fun unused_thms opt_range = Toplevel.keep (fn state =>
wenzelm@26186
   397
  let
wenzelm@26186
   398
    val thy = Toplevel.theory_of state;
wenzelm@26186
   399
    val ctxt = Toplevel.context_of state;
wenzelm@26186
   400
    fun pretty_thm (a, th) = ProofContext.pretty_fact ctxt (a, [th]);
wenzelm@37870
   401
    val get_theory = Context.get_theory thy;
wenzelm@26186
   402
  in
wenzelm@33391
   403
    Thm_Deps.unused_thms
wenzelm@26186
   404
      (case opt_range of
wenzelm@26694
   405
        NONE => (Theory.parents_of thy, [thy])
wenzelm@37870
   406
      | SOME (xs, NONE) => (map get_theory xs, [thy])
wenzelm@37870
   407
      | SOME (xs, SOME ys) => (map get_theory xs, map get_theory ys))
wenzelm@26186
   408
    |> map pretty_thm |> Pretty.chunks |> Pretty.writeln
wenzelm@26186
   409
  end);
berghofe@26184
   410
berghofe@26184
   411
wenzelm@5831
   412
(* print proof context contents *)
wenzelm@5831
   413
wenzelm@35141
   414
val print_binds = Toplevel.unknown_context o
wenzelm@35141
   415
  Toplevel.keep (ProofContext.print_binds o Toplevel.context_of);
wenzelm@9513
   416
wenzelm@35141
   417
val print_cases = Toplevel.unknown_context o
wenzelm@35141
   418
  Toplevel.keep (ProofContext.print_cases o Toplevel.context_of);
wenzelm@5831
   419
wenzelm@5831
   420
wenzelm@19268
   421
(* print theorems, terms, types etc. *)
wenzelm@19268
   422
wenzelm@19385
   423
local
wenzelm@19385
   424
wenzelm@38331
   425
fun string_of_stmts ctxt args =
wenzelm@38331
   426
  Attrib.eval_thms ctxt args
wenzelm@38331
   427
  |> map (Element.pretty_statement ctxt Thm.theoremK)
wenzelm@19385
   428
  |> Pretty.chunks2 |> Pretty.string_of;
wenzelm@5880
   429
wenzelm@38331
   430
fun string_of_thms ctxt args =
wenzelm@38331
   431
  Pretty.string_of (Display.pretty_thms ctxt (Attrib.eval_thms ctxt args));
wenzelm@5895
   432
wenzelm@19385
   433
fun string_of_prfs full state arg =
wenzelm@32859
   434
  Pretty.string_of
wenzelm@32859
   435
    (case arg of
skalberg@15531
   436
      NONE =>
berghofe@12125
   437
        let
wenzelm@38331
   438
          val {context = ctxt, goal = thm} = Proof.simple_goal (Toplevel.proof_of state);
wenzelm@26626
   439
          val thy = ProofContext.theory_of ctxt;
wenzelm@28814
   440
          val prf = Thm.proof_of thm;
wenzelm@17066
   441
          val prop = Thm.full_prop_of thm;
wenzelm@32859
   442
          val prf' = Proofterm.rewrite_proof_notypes ([], []) prf;
berghofe@12125
   443
        in
wenzelm@33388
   444
          Proof_Syntax.pretty_proof ctxt
wenzelm@17066
   445
            (if full then Reconstruct.reconstruct_proof thy prop prf' else prf')
berghofe@12125
   446
        end
wenzelm@38331
   447
    | SOME srcs =>
wenzelm@38331
   448
        let val ctxt = Toplevel.context_of state
wenzelm@38331
   449
        in map (Proof_Syntax.pretty_proof_of ctxt full) (Attrib.eval_thms ctxt srcs) end
wenzelm@38331
   450
        |> Pretty.chunks);
berghofe@11524
   451
wenzelm@38331
   452
fun string_of_prop ctxt s =
wenzelm@5831
   453
  let
wenzelm@24508
   454
    val prop = Syntax.read_prop ctxt s;
wenzelm@26704
   455
    val ctxt' = Variable.auto_fixes prop ctxt;
wenzelm@26704
   456
  in Pretty.string_of (Pretty.quote (Syntax.pretty_term ctxt' prop)) end;
wenzelm@5831
   457
wenzelm@38331
   458
fun string_of_term ctxt s =
wenzelm@5831
   459
  let
wenzelm@24508
   460
    val t = Syntax.read_term ctxt s;
wenzelm@5831
   461
    val T = Term.type_of t;
wenzelm@26704
   462
    val ctxt' = Variable.auto_fixes t ctxt;
wenzelm@5831
   463
  in
wenzelm@19385
   464
    Pretty.string_of
wenzelm@26704
   465
      (Pretty.block [Pretty.quote (Syntax.pretty_term ctxt' t), Pretty.fbrk,
wenzelm@26704
   466
        Pretty.str "::", Pretty.brk 1, Pretty.quote (Syntax.pretty_typ ctxt' T)])
wenzelm@9128
   467
  end;
wenzelm@5831
   468
wenzelm@38331
   469
fun string_of_type ctxt s =
wenzelm@38331
   470
  let val T = Syntax.read_typ ctxt s
wenzelm@24920
   471
  in Pretty.string_of (Pretty.quote (Syntax.pretty_typ ctxt T)) end;
wenzelm@9128
   472
wenzelm@23935
   473
fun print_item string_of (modes, arg) = Toplevel.keep (fn state =>
wenzelm@38331
   474
  Print_Mode.with_modes modes (fn () => writeln (string_of state arg)) ());
wenzelm@19385
   475
wenzelm@19385
   476
in
wenzelm@9128
   477
wenzelm@38331
   478
val print_stmts = print_item (string_of_stmts o Toplevel.context_of);
wenzelm@38331
   479
val print_thms = print_item (string_of_thms o Toplevel.context_of);
wenzelm@19385
   480
val print_prfs = print_item o string_of_prfs;
wenzelm@38331
   481
val print_prop = print_item (string_of_prop o Toplevel.context_of);
wenzelm@38331
   482
val print_term = print_item (string_of_term o Toplevel.context_of);
wenzelm@38331
   483
val print_type = print_item (string_of_type o Toplevel.context_of);
wenzelm@5831
   484
wenzelm@19385
   485
end;
wenzelm@19385
   486
wenzelm@12938
   487
wenzelm@12938
   488
(* markup commands *)
wenzelm@12938
   489
wenzelm@30367
   490
fun check_text (txt, pos) state =
wenzelm@39507
   491
 (Position.report pos Markup.doc_source;
wenzelm@37216
   492
  ignore (Thy_Output.eval_antiquote (#1 (Keyword.get_lexicons ())) state (txt, pos)));
wenzelm@12953
   493
wenzelm@27853
   494
fun header_markup txt = Toplevel.keep (fn state =>
wenzelm@30367
   495
  if Toplevel.is_toplevel state then check_text txt state
wenzelm@27853
   496
  else raise Toplevel.UNDEF);
wenzelm@12953
   497
wenzelm@30367
   498
fun local_theory_markup (loc, txt) = Toplevel.present_local_theory loc (check_text txt);
wenzelm@30367
   499
val proof_markup = Toplevel.present_proof o check_text;
wenzelm@12938
   500
wenzelm@5831
   501
end;