src/Pure/Isar/isar_cmd.ML
author wenzelm
Wed Aug 11 17:29:54 2010 +0200 (2010-08-11 ago)
changeset 38331 6e72f31999ac
parent 38139 ac94ff28e9e1
child 38870 fb9f51ba1bbc
permissions -rw-r--r--
prefer plain Attrib.eval_thms with plain Proof.context instead of Proof.state;
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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 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 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 pretty_setmargin: int -> Toplevel.transition -> Toplevel.transition
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  val print_context: Toplevel.transition -> Toplevel.transition
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  val print_theory: bool -> Toplevel.transition -> Toplevel.transition
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  val print_syntax: Toplevel.transition -> Toplevel.transition
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  val print_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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(* print state *)
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fun set_limit _ NONE = ()
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  | set_limit r (SOME n) = r := n;
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fun pr (modes, (lim1, lim2)) = Toplevel.keep (fn state =>
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  (set_limit goals_limit lim1; set_limit ProofContext.prems_limit lim2; Toplevel.quiet := false;
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    Print_Mode.with_modes modes (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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(* 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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   308
wenzelm@30805
   309
fun cd path = Toplevel.imperative (fn () => File.cd path);
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val pwd = Toplevel.imperative (fn () => writeln (Path.implode (File.pwd ())));
wenzelm@5831
   311
wenzelm@5831
   312
wenzelm@14934
   313
(* present draft files *)
wenzelm@14934
   314
wenzelm@14934
   315
fun display_drafts files = Toplevel.imperative (fn () =>
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  let val outfile = File.shell_path (Present.drafts (getenv "ISABELLE_DOC_FORMAT") files)
wenzelm@31819
   317
  in File.isabelle_tool "display" ("-c " ^ outfile ^ " &"); () end);
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   318
wenzelm@14934
   319
fun print_drafts files = Toplevel.imperative (fn () =>
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   320
  let val outfile = File.shell_path (Present.drafts "ps" files)
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   321
  in File.isabelle_tool "print" ("-c " ^ outfile); () end);
wenzelm@14934
   322
wenzelm@14934
   323
wenzelm@7124
   324
(* pretty_setmargin *)
wenzelm@7124
   325
wenzelm@36745
   326
fun pretty_setmargin n = Toplevel.imperative (fn () => Pretty.margin_default := n);
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   327
wenzelm@5831
   328
wenzelm@9513
   329
(* print parts of theory and proof context *)
wenzelm@5831
   330
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   331
val print_context = Toplevel.keep Toplevel.print_state_context;
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   332
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   333
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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   335
wenzelm@21663
   336
val print_syntax = Toplevel.unknown_context o
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  Toplevel.keep (ProofContext.print_syntax o Toplevel.context_of);
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   338
wenzelm@21725
   339
val print_abbrevs = Toplevel.unknown_context o
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  Toplevel.keep (ProofContext.print_abbrevs o Toplevel.context_of);
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   341
wenzelm@35141
   342
val print_facts = Toplevel.unknown_context o
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  Toplevel.keep (ProofContext.print_lthms o Toplevel.context_of);
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   344
wenzelm@35141
   345
val print_configs = Toplevel.unknown_context o
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  Toplevel.keep (Attrib.print_configs o Toplevel.context_of);
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   347
wenzelm@35141
   348
val print_theorems_proof =
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  Toplevel.keep (ProofContext.print_lthms o Proof.context_of o Toplevel.proof_of);
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wenzelm@33515
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fun print_theorems_theory verbose = Toplevel.keep (fn state =>
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  Toplevel.theory_of state |>
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  (case Toplevel.previous_context_of state of
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    SOME prev => Proof_Display.print_theorems_diff verbose (ProofContext.theory_of prev)
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   355
  | NONE => Proof_Display.print_theorems verbose));
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   356
wenzelm@33515
   357
fun print_theorems verbose =
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  Toplevel.unknown_context o print_theorems_theory verbose o print_theorems_proof;
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   360
val print_locales = Toplevel.unknown_theory o
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  Toplevel.keep (Locale.print_locales o Toplevel.theory_of);
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   362
wenzelm@33515
   363
fun print_locale (verbose, name) = Toplevel.unknown_theory o
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  Toplevel.keep (fn state => Locale.print_locale (Toplevel.theory_of state) verbose name);
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   365
ballarin@32804
   366
fun print_registrations name = Toplevel.unknown_context o
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   367
  Toplevel.keep (fn state =>
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   368
    Locale.print_registrations (Toplevel.context_of state) name);
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   369
wenzelm@9513
   370
val print_attributes = Toplevel.unknown_theory o
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  Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of);
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   372
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   373
val print_simpset = Toplevel.unknown_context o
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   374
  Toplevel.keep (fn state =>
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   375
    let val ctxt = Toplevel.context_of state
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   376
    in Pretty.writeln (Simplifier.pretty_ss ctxt (simpset_of ctxt)) end);
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   377
wenzelm@12382
   378
val print_rules = Toplevel.unknown_context o
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  Toplevel.keep (Context_Rules.print_rules o Toplevel.context_of);
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   380
wenzelm@9513
   381
val print_trans_rules = Toplevel.unknown_context o
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   382
  Toplevel.keep (Calculation.print_rules o Toplevel.context_of);
wenzelm@9513
   383
wenzelm@9513
   384
val print_methods = Toplevel.unknown_theory o
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   385
  Toplevel.keep (Method.print_methods o Toplevel.theory_of);
wenzelm@9513
   386
wenzelm@37216
   387
val print_antiquotations = Toplevel.imperative Thy_Output.print_antiquotations;
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   388
haftmann@22485
   389
val thy_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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   390
  let
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   391
    val thy = Toplevel.theory_of state;
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   392
    val thy_session = Present.session_name thy;
wenzelm@37866
   393
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   394
    val all_thys = rev (thy :: Theory.ancestors_of thy);
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   395
    val gr = all_thys |> map (fn node =>
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   396
      let
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   397
        val name = Context.theory_name node;
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   398
        val parents = map Context.theory_name (Theory.parents_of node);
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   399
        val session = Present.session_name node;
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   400
        val unfold = (session = thy_session);
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   401
      in {name = name, ID = name, parents = parents, dir = session, unfold = unfold, path = ""} end);
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   402
  in Present.display_graph gr end);
haftmann@22485
   403
wenzelm@20574
   404
val class_deps = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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   405
  let
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   406
    val thy = Toplevel.theory_of state;
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   407
    val {classes = (space, algebra), ...} = Type.rep_tsig (Sign.tsig_of thy);
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   408
    val classes = Sorts.classes_of algebra;
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   409
    fun entry (c, (i, (_, cs))) =
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   410
      (i, {name = Name_Space.extern space c, ID = c, parents = cs,
wenzelm@20574
   411
            dir = "", unfold = true, path = ""});
wenzelm@20574
   412
    val gr =
wenzelm@20574
   413
      Graph.fold (cons o entry) classes []
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   414
      |> sort (int_ord o pairself #1) |> map #2;
wenzelm@20574
   415
  in Present.display_graph gr end);
wenzelm@20574
   416
wenzelm@9513
   417
fun thm_deps args = Toplevel.unknown_theory o Toplevel.keep (fn state =>
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   418
  Thm_Deps.thm_deps (Toplevel.theory_of state)
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   419
    (Attrib.eval_thms (Toplevel.context_of state) args));
wenzelm@9454
   420
wenzelm@5831
   421
berghofe@26184
   422
(* find unused theorems *)
berghofe@26184
   423
wenzelm@26186
   424
fun unused_thms opt_range = Toplevel.keep (fn state =>
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   425
  let
wenzelm@26186
   426
    val thy = Toplevel.theory_of state;
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   427
    val ctxt = Toplevel.context_of state;
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   428
    fun pretty_thm (a, th) = ProofContext.pretty_fact ctxt (a, [th]);
wenzelm@37870
   429
    val get_theory = Context.get_theory thy;
wenzelm@26186
   430
  in
wenzelm@33391
   431
    Thm_Deps.unused_thms
wenzelm@26186
   432
      (case opt_range of
wenzelm@26694
   433
        NONE => (Theory.parents_of thy, [thy])
wenzelm@37870
   434
      | SOME (xs, NONE) => (map get_theory xs, [thy])
wenzelm@37870
   435
      | SOME (xs, SOME ys) => (map get_theory xs, map get_theory ys))
wenzelm@26186
   436
    |> map pretty_thm |> Pretty.chunks |> Pretty.writeln
wenzelm@26186
   437
  end);
berghofe@26184
   438
berghofe@26184
   439
wenzelm@5831
   440
(* print proof context contents *)
wenzelm@5831
   441
wenzelm@35141
   442
val print_binds = Toplevel.unknown_context o
wenzelm@35141
   443
  Toplevel.keep (ProofContext.print_binds o Toplevel.context_of);
wenzelm@9513
   444
wenzelm@35141
   445
val print_cases = Toplevel.unknown_context o
wenzelm@35141
   446
  Toplevel.keep (ProofContext.print_cases o Toplevel.context_of);
wenzelm@5831
   447
wenzelm@5831
   448
wenzelm@19268
   449
(* print theorems, terms, types etc. *)
wenzelm@19268
   450
wenzelm@19385
   451
local
wenzelm@19385
   452
wenzelm@38331
   453
fun string_of_stmts ctxt args =
wenzelm@38331
   454
  Attrib.eval_thms ctxt args
wenzelm@38331
   455
  |> map (Element.pretty_statement ctxt Thm.theoremK)
wenzelm@19385
   456
  |> Pretty.chunks2 |> Pretty.string_of;
wenzelm@5880
   457
wenzelm@38331
   458
fun string_of_thms ctxt args =
wenzelm@38331
   459
  Pretty.string_of (Display.pretty_thms ctxt (Attrib.eval_thms ctxt args));
wenzelm@5895
   460
wenzelm@19385
   461
fun string_of_prfs full state arg =
wenzelm@32859
   462
  Pretty.string_of
wenzelm@32859
   463
    (case arg of
skalberg@15531
   464
      NONE =>
berghofe@12125
   465
        let
wenzelm@38331
   466
          val {context = ctxt, goal = thm} = Proof.simple_goal (Toplevel.proof_of state);
wenzelm@26626
   467
          val thy = ProofContext.theory_of ctxt;
wenzelm@28814
   468
          val prf = Thm.proof_of thm;
wenzelm@17066
   469
          val prop = Thm.full_prop_of thm;
wenzelm@32859
   470
          val prf' = Proofterm.rewrite_proof_notypes ([], []) prf;
berghofe@12125
   471
        in
wenzelm@33388
   472
          Proof_Syntax.pretty_proof ctxt
wenzelm@17066
   473
            (if full then Reconstruct.reconstruct_proof thy prop prf' else prf')
berghofe@12125
   474
        end
wenzelm@38331
   475
    | SOME srcs =>
wenzelm@38331
   476
        let val ctxt = Toplevel.context_of state
wenzelm@38331
   477
        in map (Proof_Syntax.pretty_proof_of ctxt full) (Attrib.eval_thms ctxt srcs) end
wenzelm@38331
   478
        |> Pretty.chunks);
berghofe@11524
   479
wenzelm@38331
   480
fun string_of_prop ctxt s =
wenzelm@5831
   481
  let
wenzelm@24508
   482
    val prop = Syntax.read_prop ctxt s;
wenzelm@26704
   483
    val ctxt' = Variable.auto_fixes prop ctxt;
wenzelm@26704
   484
  in Pretty.string_of (Pretty.quote (Syntax.pretty_term ctxt' prop)) end;
wenzelm@5831
   485
wenzelm@38331
   486
fun string_of_term ctxt s =
wenzelm@5831
   487
  let
wenzelm@24508
   488
    val t = Syntax.read_term ctxt s;
wenzelm@5831
   489
    val T = Term.type_of t;
wenzelm@26704
   490
    val ctxt' = Variable.auto_fixes t ctxt;
wenzelm@5831
   491
  in
wenzelm@19385
   492
    Pretty.string_of
wenzelm@26704
   493
      (Pretty.block [Pretty.quote (Syntax.pretty_term ctxt' t), Pretty.fbrk,
wenzelm@26704
   494
        Pretty.str "::", Pretty.brk 1, Pretty.quote (Syntax.pretty_typ ctxt' T)])
wenzelm@9128
   495
  end;
wenzelm@5831
   496
wenzelm@38331
   497
fun string_of_type ctxt s =
wenzelm@38331
   498
  let val T = Syntax.read_typ ctxt s
wenzelm@24920
   499
  in Pretty.string_of (Pretty.quote (Syntax.pretty_typ ctxt T)) end;
wenzelm@9128
   500
wenzelm@23935
   501
fun print_item string_of (modes, arg) = Toplevel.keep (fn state =>
wenzelm@38331
   502
  Print_Mode.with_modes modes (fn () => writeln (string_of state arg)) ());
wenzelm@19385
   503
wenzelm@19385
   504
in
wenzelm@9128
   505
wenzelm@38331
   506
val print_stmts = print_item (string_of_stmts o Toplevel.context_of);
wenzelm@38331
   507
val print_thms = print_item (string_of_thms o Toplevel.context_of);
wenzelm@19385
   508
val print_prfs = print_item o string_of_prfs;
wenzelm@38331
   509
val print_prop = print_item (string_of_prop o Toplevel.context_of);
wenzelm@38331
   510
val print_term = print_item (string_of_term o Toplevel.context_of);
wenzelm@38331
   511
val print_type = print_item (string_of_type o Toplevel.context_of);
wenzelm@5831
   512
wenzelm@19385
   513
end;
wenzelm@19385
   514
wenzelm@12938
   515
wenzelm@12938
   516
(* markup commands *)
wenzelm@12938
   517
wenzelm@30367
   518
fun check_text (txt, pos) state =
wenzelm@27876
   519
 (Position.report Markup.doc_source pos;
wenzelm@37216
   520
  ignore (Thy_Output.eval_antiquote (#1 (Keyword.get_lexicons ())) state (txt, pos)));
wenzelm@12953
   521
wenzelm@27853
   522
fun header_markup txt = Toplevel.keep (fn state =>
wenzelm@30367
   523
  if Toplevel.is_toplevel state then check_text txt state
wenzelm@27853
   524
  else raise Toplevel.UNDEF);
wenzelm@12953
   525
wenzelm@30367
   526
fun local_theory_markup (loc, txt) = Toplevel.present_local_theory loc (check_text txt);
wenzelm@30367
   527
val proof_markup = Toplevel.present_proof o check_text;
wenzelm@12938
   528
wenzelm@5831
   529
end;