src/Pure/Isar/isar_cmd.ML
author wenzelm
Fri Sep 17 20:18:27 2010 +0200 (2010-09-17 ago)
changeset 39507 839873937ddd
parent 39165 e790a5560834
child 39557 fe5722fce758
permissions -rw-r--r--
tuned signature of (Context_)Position.report variants;
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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 cd: Path.T -> Toplevel.transition -> Toplevel.transition
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  val pwd: 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 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 |> (if unchecked then PureThy.add_defs_unchecked_cmd else PureThy.add_defs_cmd) overloaded
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    (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 = hide_names PureThy.intern_fact PureThy.defined_fact PureThy.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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(* 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.implode (File.pwd ())));
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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.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 File.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;
wenzelm@9513
   310
wenzelm@20621
   311
fun print_theory verbose = Toplevel.unknown_theory o
wenzelm@33389
   312
  Toplevel.keep (Pretty.writeln o Proof_Display.pretty_full_theory verbose o Toplevel.theory_of);
wenzelm@9513
   313
wenzelm@21663
   314
val print_syntax = Toplevel.unknown_context o
wenzelm@21663
   315
  Toplevel.keep (ProofContext.print_syntax o Toplevel.context_of);
wenzelm@9513
   316
wenzelm@21725
   317
val print_abbrevs = Toplevel.unknown_context o
wenzelm@21725
   318
  Toplevel.keep (ProofContext.print_abbrevs o Toplevel.context_of);
wenzelm@21725
   319
wenzelm@35141
   320
val print_facts = Toplevel.unknown_context o
wenzelm@35141
   321
  Toplevel.keep (ProofContext.print_lthms o Toplevel.context_of);
wenzelm@21003
   322
wenzelm@35141
   323
val print_configs = Toplevel.unknown_context o
wenzelm@35141
   324
  Toplevel.keep (Attrib.print_configs o Toplevel.context_of);
wenzelm@23989
   325
wenzelm@35141
   326
val print_theorems_proof =
wenzelm@35141
   327
  Toplevel.keep (ProofContext.print_lthms o Proof.context_of o Toplevel.proof_of);
wenzelm@17066
   328
wenzelm@33515
   329
fun print_theorems_theory verbose = Toplevel.keep (fn state =>
wenzelm@18588
   330
  Toplevel.theory_of state |>
wenzelm@30801
   331
  (case Toplevel.previous_context_of state of
wenzelm@33515
   332
    SOME prev => Proof_Display.print_theorems_diff verbose (ProofContext.theory_of prev)
wenzelm@33515
   333
  | NONE => Proof_Display.print_theorems verbose));
wenzelm@18588
   334
wenzelm@33515
   335
fun print_theorems verbose =
wenzelm@33515
   336
  Toplevel.unknown_context o print_theorems_theory verbose o print_theorems_proof;
wenzelm@9513
   337
wenzelm@12060
   338
val print_locales = Toplevel.unknown_theory o
haftmann@29360
   339
  Toplevel.keep (Locale.print_locales o Toplevel.theory_of);
wenzelm@12060
   340
wenzelm@33515
   341
fun print_locale (verbose, name) = Toplevel.unknown_theory o
wenzelm@33515
   342
  Toplevel.keep (fn state => Locale.print_locale (Toplevel.theory_of state) verbose name);
ballarin@15596
   343
ballarin@32804
   344
fun print_registrations name = Toplevel.unknown_context o
ballarin@32804
   345
  Toplevel.keep (fn state =>
ballarin@38109
   346
    Locale.print_registrations (Toplevel.context_of state) name);
ballarin@32804
   347
wenzelm@9513
   348
val print_attributes = Toplevel.unknown_theory o
wenzelm@9513
   349
  Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of);
wenzelm@9513
   350
wenzelm@16026
   351
val print_simpset = Toplevel.unknown_context o
wenzelm@30357
   352
  Toplevel.keep (fn state =>
wenzelm@30357
   353
    let val ctxt = Toplevel.context_of state
wenzelm@32149
   354
    in Pretty.writeln (Simplifier.pretty_ss ctxt (simpset_of ctxt)) end);
wenzelm@16026
   355
wenzelm@12382
   356
val print_rules = Toplevel.unknown_context o
wenzelm@33369
   357
  Toplevel.keep (Context_Rules.print_rules o Toplevel.context_of);
wenzelm@12382
   358
wenzelm@9513
   359
val print_trans_rules = Toplevel.unknown_context o
wenzelm@18639
   360
  Toplevel.keep (Calculation.print_rules o Toplevel.context_of);
wenzelm@9513
   361
wenzelm@9513
   362
val print_methods = Toplevel.unknown_theory o
wenzelm@9513
   363
  Toplevel.keep (Method.print_methods o Toplevel.theory_of);
wenzelm@9513
   364
wenzelm@37216
   365
val print_antiquotations = Toplevel.imperative Thy_Output.print_antiquotations;
wenzelm@5831
   366
haftmann@22485
   367
val thy_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
haftmann@22485
   368
  let
haftmann@22485
   369
    val thy = Toplevel.theory_of state;
wenzelm@37866
   370
    val thy_session = Present.session_name thy;
wenzelm@37866
   371
wenzelm@38139
   372
    val all_thys = rev (thy :: Theory.ancestors_of thy);
wenzelm@22604
   373
    val gr = all_thys |> map (fn node =>
wenzelm@22602
   374
      let
wenzelm@22602
   375
        val name = Context.theory_name node;
wenzelm@22602
   376
        val parents = map Context.theory_name (Theory.parents_of node);
wenzelm@37866
   377
        val session = Present.session_name node;
wenzelm@37866
   378
        val unfold = (session = thy_session);
wenzelm@37866
   379
      in {name = name, ID = name, parents = parents, dir = session, unfold = unfold, path = ""} end);
wenzelm@22602
   380
  in Present.display_graph gr end);
haftmann@22485
   381
wenzelm@20574
   382
val class_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
wenzelm@20574
   383
  let
wenzelm@20574
   384
    val thy = Toplevel.theory_of state;
wenzelm@20574
   385
    val {classes = (space, algebra), ...} = Type.rep_tsig (Sign.tsig_of thy);
wenzelm@36328
   386
    val classes = Sorts.classes_of algebra;
wenzelm@20574
   387
    fun entry (c, (i, (_, cs))) =
wenzelm@33095
   388
      (i, {name = Name_Space.extern space c, ID = c, parents = cs,
wenzelm@20574
   389
            dir = "", unfold = true, path = ""});
wenzelm@20574
   390
    val gr =
wenzelm@20574
   391
      Graph.fold (cons o entry) classes []
wenzelm@20574
   392
      |> sort (int_ord o pairself #1) |> map #2;
wenzelm@20574
   393
  in Present.display_graph gr end);
wenzelm@20574
   394
wenzelm@9513
   395
fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state =>
wenzelm@37870
   396
  Thm_Deps.thm_deps (Toplevel.theory_of state)
wenzelm@38331
   397
    (Attrib.eval_thms (Toplevel.context_of state) args));
wenzelm@9454
   398
wenzelm@5831
   399
berghofe@26184
   400
(* find unused theorems *)
berghofe@26184
   401
wenzelm@26186
   402
fun unused_thms opt_range = Toplevel.keep (fn state =>
wenzelm@26186
   403
  let
wenzelm@26186
   404
    val thy = Toplevel.theory_of state;
wenzelm@26186
   405
    val ctxt = Toplevel.context_of state;
wenzelm@26186
   406
    fun pretty_thm (a, th) = ProofContext.pretty_fact ctxt (a, [th]);
wenzelm@37870
   407
    val get_theory = Context.get_theory thy;
wenzelm@26186
   408
  in
wenzelm@33391
   409
    Thm_Deps.unused_thms
wenzelm@26186
   410
      (case opt_range of
wenzelm@26694
   411
        NONE => (Theory.parents_of thy, [thy])
wenzelm@37870
   412
      | SOME (xs, NONE) => (map get_theory xs, [thy])
wenzelm@37870
   413
      | SOME (xs, SOME ys) => (map get_theory xs, map get_theory ys))
wenzelm@26186
   414
    |> map pretty_thm |> Pretty.chunks |> Pretty.writeln
wenzelm@26186
   415
  end);
berghofe@26184
   416
berghofe@26184
   417
wenzelm@5831
   418
(* print proof context contents *)
wenzelm@5831
   419
wenzelm@35141
   420
val print_binds = Toplevel.unknown_context o
wenzelm@35141
   421
  Toplevel.keep (ProofContext.print_binds o Toplevel.context_of);
wenzelm@9513
   422
wenzelm@35141
   423
val print_cases = Toplevel.unknown_context o
wenzelm@35141
   424
  Toplevel.keep (ProofContext.print_cases o Toplevel.context_of);
wenzelm@5831
   425
wenzelm@5831
   426
wenzelm@19268
   427
(* print theorems, terms, types etc. *)
wenzelm@19268
   428
wenzelm@19385
   429
local
wenzelm@19385
   430
wenzelm@38331
   431
fun string_of_stmts ctxt args =
wenzelm@38331
   432
  Attrib.eval_thms ctxt args
wenzelm@38331
   433
  |> map (Element.pretty_statement ctxt Thm.theoremK)
wenzelm@19385
   434
  |> Pretty.chunks2 |> Pretty.string_of;
wenzelm@5880
   435
wenzelm@38331
   436
fun string_of_thms ctxt args =
wenzelm@38331
   437
  Pretty.string_of (Display.pretty_thms ctxt (Attrib.eval_thms ctxt args));
wenzelm@5895
   438
wenzelm@19385
   439
fun string_of_prfs full state arg =
wenzelm@32859
   440
  Pretty.string_of
wenzelm@32859
   441
    (case arg of
skalberg@15531
   442
      NONE =>
berghofe@12125
   443
        let
wenzelm@38331
   444
          val {context = ctxt, goal = thm} = Proof.simple_goal (Toplevel.proof_of state);
wenzelm@26626
   445
          val thy = ProofContext.theory_of ctxt;
wenzelm@28814
   446
          val prf = Thm.proof_of thm;
wenzelm@17066
   447
          val prop = Thm.full_prop_of thm;
wenzelm@32859
   448
          val prf' = Proofterm.rewrite_proof_notypes ([], []) prf;
berghofe@12125
   449
        in
wenzelm@33388
   450
          Proof_Syntax.pretty_proof ctxt
wenzelm@17066
   451
            (if full then Reconstruct.reconstruct_proof thy prop prf' else prf')
berghofe@12125
   452
        end
wenzelm@38331
   453
    | SOME srcs =>
wenzelm@38331
   454
        let val ctxt = Toplevel.context_of state
wenzelm@38331
   455
        in map (Proof_Syntax.pretty_proof_of ctxt full) (Attrib.eval_thms ctxt srcs) end
wenzelm@38331
   456
        |> Pretty.chunks);
berghofe@11524
   457
wenzelm@38331
   458
fun string_of_prop ctxt s =
wenzelm@5831
   459
  let
wenzelm@24508
   460
    val prop = Syntax.read_prop ctxt s;
wenzelm@26704
   461
    val ctxt' = Variable.auto_fixes prop ctxt;
wenzelm@26704
   462
  in Pretty.string_of (Pretty.quote (Syntax.pretty_term ctxt' prop)) end;
wenzelm@5831
   463
wenzelm@38331
   464
fun string_of_term ctxt s =
wenzelm@5831
   465
  let
wenzelm@24508
   466
    val t = Syntax.read_term ctxt s;
wenzelm@5831
   467
    val T = Term.type_of t;
wenzelm@26704
   468
    val ctxt' = Variable.auto_fixes t ctxt;
wenzelm@5831
   469
  in
wenzelm@19385
   470
    Pretty.string_of
wenzelm@26704
   471
      (Pretty.block [Pretty.quote (Syntax.pretty_term ctxt' t), Pretty.fbrk,
wenzelm@26704
   472
        Pretty.str "::", Pretty.brk 1, Pretty.quote (Syntax.pretty_typ ctxt' T)])
wenzelm@9128
   473
  end;
wenzelm@5831
   474
wenzelm@38331
   475
fun string_of_type ctxt s =
wenzelm@38331
   476
  let val T = Syntax.read_typ ctxt s
wenzelm@24920
   477
  in Pretty.string_of (Pretty.quote (Syntax.pretty_typ ctxt T)) end;
wenzelm@9128
   478
wenzelm@23935
   479
fun print_item string_of (modes, arg) = Toplevel.keep (fn state =>
wenzelm@38331
   480
  Print_Mode.with_modes modes (fn () => writeln (string_of state arg)) ());
wenzelm@19385
   481
wenzelm@19385
   482
in
wenzelm@9128
   483
wenzelm@38331
   484
val print_stmts = print_item (string_of_stmts o Toplevel.context_of);
wenzelm@38331
   485
val print_thms = print_item (string_of_thms o Toplevel.context_of);
wenzelm@19385
   486
val print_prfs = print_item o string_of_prfs;
wenzelm@38331
   487
val print_prop = print_item (string_of_prop o Toplevel.context_of);
wenzelm@38331
   488
val print_term = print_item (string_of_term o Toplevel.context_of);
wenzelm@38331
   489
val print_type = print_item (string_of_type o Toplevel.context_of);
wenzelm@5831
   490
wenzelm@19385
   491
end;
wenzelm@19385
   492
wenzelm@12938
   493
wenzelm@12938
   494
(* markup commands *)
wenzelm@12938
   495
wenzelm@30367
   496
fun check_text (txt, pos) state =
wenzelm@39507
   497
 (Position.report pos Markup.doc_source;
wenzelm@37216
   498
  ignore (Thy_Output.eval_antiquote (#1 (Keyword.get_lexicons ())) state (txt, pos)));
wenzelm@12953
   499
wenzelm@27853
   500
fun header_markup txt = Toplevel.keep (fn state =>
wenzelm@30367
   501
  if Toplevel.is_toplevel state then check_text txt state
wenzelm@27853
   502
  else raise Toplevel.UNDEF);
wenzelm@12953
   503
wenzelm@30367
   504
fun local_theory_markup (loc, txt) = Toplevel.present_local_theory loc (check_text txt);
wenzelm@30367
   505
val proof_markup = Toplevel.present_proof o check_text;
wenzelm@12938
   506
wenzelm@5831
   507
end;