src/Pure/Isar/class.ML
author wenzelm
Thu, 08 Nov 2007 14:51:29 +0100
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parent 25326 e417a7236125
child 25368 f12613fda79d
permissions -rw-r--r--
synchronize_syntax: improved declare_const (still inactive); tuned;
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(*  Title:      Pure/Isar/class.ML
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    ID:         $Id$
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    Author:     Florian Haftmann, TU Muenchen
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Type classes derived from primitive axclasses and locales.
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*)
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signature CLASS =
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sig
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  val axclass_cmd: bstring * xstring list
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    -> ((bstring * Attrib.src list) * string list) list
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    -> theory -> class * theory
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  val classrel_cmd: xstring * xstring -> theory -> Proof.state
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  val class: bstring -> class list -> Element.context_i Locale.element list
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    -> string list -> theory -> string * Proof.context
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  val class_cmd: bstring -> xstring list -> Element.context Locale.element list
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    -> xstring list -> theory -> string * Proof.context
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  val is_class: theory -> class -> bool
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  val these_params: theory -> sort -> (string * (string * typ)) list
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  val init: class -> theory -> Proof.context
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  val add_logical_const: string -> Markup.property list
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    -> (string * mixfix) * term -> theory -> theory
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  val add_syntactic_const: string -> Syntax.mode -> Markup.property list
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    -> (string * mixfix) * term -> theory -> theory
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  val refresh_syntax: class -> Proof.context -> Proof.context
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  val intro_classes_tac: thm list -> tactic
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  val default_intro_classes_tac: thm list -> tactic
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  val prove_subclass: class * class -> thm list -> Proof.context
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    -> theory -> theory
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  val print_classes: theory -> unit
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  val class_prefix: string -> string
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  val uncheck: bool ref
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  val instance_arity: (theory -> theory) -> arity list -> theory -> Proof.state
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  val instance: arity list -> ((bstring * Attrib.src list) * term) list
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    -> (thm list -> theory -> theory)
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    -> theory -> Proof.state
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  val instance_cmd: (bstring * xstring list * xstring) list
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    -> ((bstring * Attrib.src list) * xstring) list
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    -> (thm list -> theory -> theory)
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    -> theory -> Proof.state
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  val prove_instance: tactic -> arity list
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    -> ((bstring * Attrib.src list) * term) list
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    -> theory -> thm list * theory
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  val unoverload: theory -> conv
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  val overload: theory -> conv
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  val unoverload_const: theory -> string * typ -> string
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  val inst_const: theory -> string * string -> string
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  val param_const: theory -> string -> (string * string) option
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end;
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structure Class : CLASS =
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struct
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(** auxiliary **)
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val classN = "class";
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val introN = "intro";
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fun prove_interpretation tac prfx_atts expr inst =
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  Locale.interpretation_i I prfx_atts expr inst
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  #> Proof.global_terminal_proof
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      (Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE)
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  #> ProofContext.theory_of;
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fun prove_interpretation_in tac after_qed (name, expr) =
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  Locale.interpretation_in_locale
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      (ProofContext.theory after_qed) (name, expr)
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  #> Proof.global_terminal_proof
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      (Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE)
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  #> ProofContext.theory_of;
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fun OF_LAST thm1 thm2 = thm1 RSN (Thm.nprems_of thm2, thm2);
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fun strip_all_ofclass thy sort =
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  let
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    val typ = TVar ((Name.aT, 0), sort);
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    fun prem_inclass t =
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      case Logic.strip_imp_prems t
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       of ofcls :: _ => try Logic.dest_inclass ofcls
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        | [] => NONE;
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    fun strip_ofclass class thm =
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      thm OF (fst o AxClass.of_sort thy (typ, [class])) AxClass.cache;
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    fun strip thm = case (prem_inclass o Thm.prop_of) thm
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     of SOME (_, class) => thm |> strip_ofclass class |> strip
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      | NONE => thm;
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  in strip end;
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fun get_remove_global_constraint c thy =
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  let
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    val ty = Sign.the_const_constraint thy c;
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  in
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    thy
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    |> Sign.add_const_constraint (c, NONE)
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    |> pair (c, Logic.unvarifyT ty)
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  end;
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(** axclass command **)
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fun axclass_cmd (class, raw_superclasses) raw_specs thy =
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  let
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    val ctxt = ProofContext.init thy;
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    val superclasses = map (Sign.read_class thy) raw_superclasses;
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    val name_atts = map ((apsnd o map) (Attrib.attribute thy) o fst)
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      raw_specs;
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    val axiomss = ProofContext.read_propp (ctxt, map (map (rpair []) o snd)
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          raw_specs)
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      |> snd
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      |> (map o map) fst;
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  in
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    AxClass.define_class (class, superclasses) []
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      (name_atts ~~ axiomss) thy
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  end;
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local
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fun gen_instance mk_prop add_thm after_qed insts thy =
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  let
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    fun after_qed' results =
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      ProofContext.theory ((fold o fold) add_thm results #> after_qed);
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  in
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    thy
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    |> ProofContext.init
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    |> Proof.theorem_i NONE after_qed' ((map (fn t => [(t, [])])
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        o maps (mk_prop thy)) insts)
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  end;
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in
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val instance_arity =
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  gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity;
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val classrel =
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  gen_instance (single oo (Logic.mk_classrel oo AxClass.cert_classrel))
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    AxClass.add_classrel I o single;
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val classrel_cmd =
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  gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel))
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    AxClass.add_classrel I o single;
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end; (*local*)
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(** explicit constants for overloaded definitions **)
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structure InstData = TheoryDataFun
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(
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  type T = (string * thm) Symtab.table Symtab.table * (string * string) Symtab.table;
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    (*constant name ~> type constructor ~> (constant name, equation),
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        constant name ~> (constant name, type constructor)*)
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  val empty = (Symtab.empty, Symtab.empty);
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  val copy = I;
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  val extend = I;
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  fun merge _ ((taba1, tabb1), (taba2, tabb2)) =
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    (Symtab.join (K (Symtab.merge (K true))) (taba1, taba2),
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      Symtab.merge (K true) (tabb1, tabb2));
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);
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fun inst_thms thy = (Symtab.fold (Symtab.fold (cons o snd o snd) o snd) o fst)
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    (InstData.get thy) [];
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fun add_inst (c, tyco) inst = (InstData.map o apfst
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      o Symtab.map_default (c, Symtab.empty)) (Symtab.update_new (tyco, inst))
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  #> (InstData.map o apsnd) (Symtab.update_new (fst inst, (c, tyco)));
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fun unoverload thy = MetaSimplifier.rewrite true (inst_thms thy);
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fun overload thy = MetaSimplifier.rewrite true (map Thm.symmetric (inst_thms thy));
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fun inst_const thy (c, tyco) =
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  (fst o the o Symtab.lookup ((the o Symtab.lookup (fst (InstData.get thy))) c)) tyco;
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fun unoverload_const thy (c_ty as (c, _)) =
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  case AxClass.class_of_param thy c
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   of SOME class => (case Sign.const_typargs thy c_ty
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       of [Type (tyco, _)] => (case Symtab.lookup
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           ((the o Symtab.lookup (fst (InstData.get thy))) c) tyco
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             of SOME (c, _) => c
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              | NONE => c)
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        | [_] => c)
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    | NONE => c;
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val param_const = Symtab.lookup o snd o InstData.get;
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fun add_inst_def (class, tyco) (c, ty) thy =
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  let
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    val tyco_base = Sign.base_name tyco;
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    val name_inst = Sign.base_name class ^ "_" ^ tyco_base ^ "_inst";
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    val c_inst_base = Sign.base_name c ^ "_" ^ tyco_base;
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  in
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    thy
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    |> Sign.sticky_prefix name_inst
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    |> Sign.declare_const [] (c_inst_base, ty, NoSyn)
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    |-> (fn const as Const (c_inst, _) =>
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      PureThy.add_defs_i false
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        [((Thm.def_name c_inst_base, Logic.mk_equals (const, Const (c, ty))), [])]
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      #-> (fn [thm] => add_inst (c, tyco) (c_inst, Thm.symmetric thm)))
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    |> Sign.restore_naming thy
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  end;
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fun add_inst_def' (class, tyco) (c, ty) thy =
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  if case Symtab.lookup (fst (InstData.get thy)) c
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   of NONE => true
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    | SOME tab => is_none (Symtab.lookup tab tyco)
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  then add_inst_def (class, tyco) (c, Logic.unvarifyT ty) thy
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  else thy;
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fun add_def ((class, tyco), ((name, prop), atts)) thy =
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  let
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    val ((lhs as Const (c, ty), args), rhs) =
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      (apfst Term.strip_comb o Logic.dest_equals) prop;
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    fun (*add_inst' def ([], (Const (c_inst, ty))) =
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          if forall (fn TFree _ => true | _ => false) (Sign.const_typargs thy (c_inst, ty))
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          then add_inst (c, tyco) (c_inst, def)
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          else add_inst_def (class, tyco) (c, ty)
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      |*) add_inst' _ t = add_inst_def (class, tyco) (c, ty);
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  in
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    thy
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    |> PureThy.add_defs_i true [((name, prop), map (Attrib.attribute_i thy) atts)]
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    |-> (fn [def] => add_inst' def (args, rhs) #> pair def)
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  end;
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(** instances with implicit parameter handling **)
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local
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fun gen_read_def thy prep_att parse_prop ((raw_name, raw_atts), raw_t) =
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  let
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    val ctxt = ProofContext.init thy;
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    val t = parse_prop ctxt raw_t |> Syntax.check_prop ctxt;
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    val ((c, ty), _) = Sign.cert_def ctxt t;
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    val atts = map (prep_att thy) raw_atts;
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    val insts = Consts.typargs (Sign.consts_of thy) (c, ty);
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    val name = case raw_name
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     of "" => NONE
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      | _ => SOME raw_name;
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  in (c, (insts, ((name, t), atts))) end;
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fun read_def_cmd thy = gen_read_def thy Attrib.intern_src Syntax.parse_prop;
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fun read_def thy = gen_read_def thy (K I) (K I);
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fun gen_instance prep_arity read_def do_proof raw_arities raw_defs after_qed theory =
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  let
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    val arities = map (prep_arity theory) raw_arities;
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    val _ = if null arities then error "At least one arity must be given" else ();
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    val _ = case (duplicates (op =) o map #1) arities
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     of [] => ()
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      | dupl_tycos => error ("Type constructors occur more than once in arities: "
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          ^ commas_quote dupl_tycos);
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    fun get_consts_class tyco ty class =
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      let
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        val cs = (these o try (#params o AxClass.get_info theory)) class;
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        val subst_ty = map_type_tfree (K ty);
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      in
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        map (fn (c, ty) => (c, ((class, tyco), subst_ty ty))) cs
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      end;
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    fun get_consts_sort (tyco, asorts, sort) =
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      let
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        val ty = Type (tyco, map (fn (v, sort) => TVar ((v, 0), sort))
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          (Name.names Name.context Name.aT asorts))
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      in maps (get_consts_class tyco ty) (Sign.complete_sort theory sort) end;
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    val cs = maps get_consts_sort arities;
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    fun mk_typnorm thy (ty, ty_sc) =
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      case try (Sign.typ_match thy (Logic.varifyT ty_sc, ty)) Vartab.empty
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       of SOME env => SOME (Logic.varifyT #> Envir.typ_subst_TVars env #> Logic.unvarifyT)
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        | NONE => NONE;
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    fun read_defs defs cs thy_read =
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      let
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        fun read raw_def cs =
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          let
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            val (c, (inst, ((name_opt, t), atts))) = read_def thy_read raw_def;
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            val ty = Consts.instance (Sign.consts_of thy_read) (c, inst);
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            val ((class, tyco), ty') = case AList.lookup (op =) cs c
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             of NONE => error ("Illegal definition for constant " ^ quote c)
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              | SOME class_ty => class_ty;
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            val name = case name_opt
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             of NONE => Thm.def_name (Logic.name_arity (tyco, [], c))
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              | SOME name => name;
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            val t' = case mk_typnorm thy_read (ty', ty)
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             of NONE => error ("Illegal definition for constant " ^
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                  quote (c ^ "::" ^ setmp show_sorts true
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                    (Sign.string_of_typ thy_read) ty))
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              | SOME norm => map_types norm t
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          in (((class, tyco), ((name, t'), atts)), AList.delete (op =) c cs) end;
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      in fold_map read defs cs end;
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    val (defs, other_cs) = read_defs raw_defs cs
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      (fold Sign.primitive_arity arities (Theory.copy theory));
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    fun after_qed' cs defs =
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      fold Sign.add_const_constraint (map (apsnd SOME) cs)
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      #> after_qed defs;
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  in
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    theory
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    |> fold_map get_remove_global_constraint (map fst cs |> distinct (op =))
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    ||>> fold_map add_def defs
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    ||> fold (fn (c, ((class, tyco), ty)) => add_inst_def' (class, tyco) (c, ty)) other_cs
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    |-> (fn (cs, defs) => do_proof (after_qed' cs defs) arities defs)
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  end;
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fun tactic_proof tac f arities defs =
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  fold (fn arity => AxClass.prove_arity arity tac) arities
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  #> f
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  #> pair defs;
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in
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val instance = gen_instance Sign.cert_arity read_def
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  (fn f => fn arities => fn defs => instance_arity f arities);
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val instance_cmd = gen_instance Sign.read_arity read_def_cmd
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  (fn f => fn arities => fn defs => instance_arity f arities);
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fun prove_instance tac arities defs =
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  gen_instance Sign.cert_arity read_def
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    (tactic_proof tac) arities defs (K I);
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end; (*local*)
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(** class data **)
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datatype class_data = ClassData of {
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  consts: (string * string) list
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    (*locale parameter ~> constant name*),
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  base_sort: sort,
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  inst: term option list
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    (*canonical interpretation*),
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  morphism: morphism,
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    (*partial morphism of canonical interpretation*)
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  intro: thm,
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  defs: thm list,
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  operations: (string * (term * (typ * int))) list,
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    (*constant name ~> (locale term,
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        (constant constraint, instantiaton index of class typ))*)
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  unchecks: (term * term) list
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};
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   333
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fun rep_class_data (ClassData d) = d;
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fun mk_class_data ((consts, base_sort, inst, morphism, intro),
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    (defs, (operations, unchecks))) =
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  ClassData { consts = consts, base_sort = base_sort, inst = inst,
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    morphism = morphism, intro = intro, defs = defs,
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    operations = operations, unchecks = unchecks };
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fun map_class_data f (ClassData { consts, base_sort, inst, morphism, intro,
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    defs, operations, unchecks }) =
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  mk_class_data (f ((consts, base_sort, inst, morphism, intro),
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    (defs, (operations, unchecks))));
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fun merge_class_data _ (ClassData { consts = consts,
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    base_sort = base_sort, inst = inst, morphism = morphism, intro = intro,
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    defs = defs1, operations = operations1, unchecks = unchecks1 },
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  ClassData { consts = _, base_sort = _, inst = _, morphism = _, intro = _,
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    defs = defs2, operations = operations2, unchecks = unchecks2 }) =
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  mk_class_data ((consts, base_sort, inst, morphism, intro),
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    (Thm.merge_thms (defs1, defs2),
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      (AList.merge (op =) (K true) (operations1, operations2),
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        Library.merge (op aconv o pairself snd) (unchecks1, unchecks2))));
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structure ClassData = TheoryDataFun
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(
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  type T = class_data Graph.T
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  val empty = Graph.empty;
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  val copy = I;
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  val extend = I;
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   360
  fun merge _ = Graph.join merge_class_data;
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   361
);
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   362
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   363
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   364
(* queries *)
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   365
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val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node o ClassData.get;
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   367
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   368
fun the_class_data thy class = case lookup_class_data thy class
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   369
 of NONE => error ("Undeclared class " ^ quote class)
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  | SOME data => data;
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   371
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   372
val is_class = is_some oo lookup_class_data;
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   373
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   374
val ancestry = Graph.all_succs o ClassData.get;
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   375
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fun these_params thy =
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   377
  let
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   378
    fun params class =
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   379
      let
24930
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   380
        val const_typs = (#params o AxClass.get_info thy) class;
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   381
        val const_names = (#consts o the_class_data thy) class;
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      in
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   383
        (map o apsnd) (fn c => (c, (the o AList.lookup (op =) const_typs) c)) const_names
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   384
      end;
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   385
  in maps params o ancestry thy end;
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   386
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   387
fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy;
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   388
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   389
fun morphism thy = #morphism o the_class_data thy;
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diff changeset
   390
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   391
fun these_intros thy =
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   392
  Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data))
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   393
    (ClassData.get thy) [];
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diff changeset
   394
24836
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   395
fun these_operations thy =
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   396
  maps (#operations o the_class_data thy) o ancestry thy;
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diff changeset
   397
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   398
fun these_unchecks thy =
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haftmann
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   399
  maps (#unchecks o the_class_data thy) o ancestry thy;
25002
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diff changeset
   400
24218
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   401
fun print_classes thy =
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   402
  let
24920
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   403
    val ctxt = ProofContext.init thy;
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parents:
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   404
    val algebra = Sign.classes_of thy;
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parents:
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   405
    val arities =
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parents:
diff changeset
   406
      Symtab.empty
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parents:
diff changeset
   407
      |> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) =>
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haftmann
parents:
diff changeset
   408
           Symtab.map_default (class, []) (insert (op =) tyco)) arities)
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parents:
diff changeset
   409
             ((#arities o Sorts.rep_algebra) algebra);
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parents:
diff changeset
   410
    val the_arities = these o Symtab.lookup arities;
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parents:
diff changeset
   411
    fun mk_arity class tyco =
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parents:
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   412
      let
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parents:
diff changeset
   413
        val Ss = Sorts.mg_domain algebra tyco [class];
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24914
diff changeset
   414
      in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end;
24218
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haftmann
parents:
diff changeset
   415
    fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: "
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24914
diff changeset
   416
      ^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty);
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parents:
diff changeset
   417
    fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [
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diff changeset
   418
      (SOME o Pretty.str) ("class " ^ Sign.extern_class thy class ^ ":"),
24218
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haftmann
parents:
diff changeset
   419
      (SOME o Pretty.block) [Pretty.str "supersort: ",
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24914
diff changeset
   420
        (Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class],
25062
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diff changeset
   421
      if is_class thy class then (SOME o Pretty.str)
af5ef0d4d655 global class syntax
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parents: 25060
diff changeset
   422
        ("locale: " ^ Locale.extern thy class) else NONE,
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   423
      ((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks)
af5ef0d4d655 global class syntax
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diff changeset
   424
          (Pretty.str "parameters:" :: ps)) o map mk_param
24930
cc2e0e8c81af renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   425
        o these o Option.map #params o try (AxClass.get_info thy)) class,
24218
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haftmann
parents:
diff changeset
   426
      (SOME o Pretty.block o Pretty.breaks) [
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haftmann
parents:
diff changeset
   427
        Pretty.str "instances:",
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   428
        Pretty.list "" "" (map (mk_arity class) (the_arities class))
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   429
      ]
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   430
    ]
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   431
  in
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   432
    (Pretty.writeln o Pretty.chunks o separate (Pretty.str "")
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   433
      o map mk_entry o Sorts.all_classes) algebra
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   434
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   435
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   436
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   437
(* updaters *)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   438
25163
haftmann
parents: 25146
diff changeset
   439
fun add_class_data ((class, superclasses), (cs, base_sort, inst, phi, intro)) thy =
25002
haftmann
parents: 24981
diff changeset
   440
  let
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   441
    val operations = map (fn (v_ty, (c, ty)) =>
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   442
      (c, ((Free v_ty, (Logic.varifyT ty, 0))))) cs;
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haftmann
parents: 25163
diff changeset
   443
    val unchecks = map (fn ((v, ty'), (c, _)) =>
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   444
      (Free (v, Type.strip_sorts ty'), Const (c, Type.strip_sorts ty'))) cs;
25002
haftmann
parents: 24981
diff changeset
   445
    val cs = (map o pairself) fst cs;
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   446
    val add_class = Graph.new_node (class,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   447
        mk_class_data ((cs, base_sort, map (SOME o Const) inst, phi, intro), ([], (operations, unchecks))))
25002
haftmann
parents: 24981
diff changeset
   448
      #> fold (curry Graph.add_edge class) superclasses;
haftmann
parents: 24981
diff changeset
   449
  in
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   450
    ClassData.map add_class thy
25002
haftmann
parents: 24981
diff changeset
   451
  end;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   452
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   453
fun register_operation class (c, ((t, t_rev), some_def)) thy =
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   454
  let
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   455
    val ty = Sign.the_const_constraint thy c;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   456
    val typargs = Sign.const_typargs thy (c, ty);
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   457
    val typidx = find_index (fn TVar ((v, _), _) => Name.aT = v | _ => false) typargs;
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   458
    val prep_typ = map_atyps
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   459
      (fn TVar (vi as (v, _), _) => if Name.aT = v then TFree (v, []) else TVar (vi, []))
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   460
    val t_rev' = map_types prep_typ t_rev;
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   461
    val ty' = Term.fastype_of t_rev';
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   462
  in
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   463
    thy
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   464
    |> (ClassData.map o Graph.map_node class o map_class_data o apsnd)
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   465
      (fn (defs, (operations, unchecks)) =>
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   466
        (fold cons (the_list some_def) defs,
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   467
          ((c, (t, (ty, typidx))) :: operations, (t_rev', Const (c, ty')) :: unchecks)))
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   468
  end;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   469
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   470
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   471
(** rule calculation, tactics and methods **)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   472
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   473
val class_prefix = Logic.const_of_class o Sign.base_name;
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   474
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   475
fun calculate_morphism class cs =
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   476
  let
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   477
    val subst_typ = Term.map_type_tfree (fn var as (v, sort) =>
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   478
      if v = Name.aT then TVar ((v, 0), [class]) else TVar ((v, 0), sort));
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   479
    fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) cs v
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   480
         of SOME (c, _) => Const (c, ty)
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   481
          | NONE => t)
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   482
      | subst_aterm t = t;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   483
    val subst_term = map_aterms subst_aterm #> map_types subst_typ;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   484
  in
25209
haftmann
parents: 25195
diff changeset
   485
    Morphism.term_morphism subst_term
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   486
    $> Morphism.typ_morphism subst_typ
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   487
  end;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   488
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   489
fun class_intro thy class sups =
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   490
  let
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   491
    fun class_elim class =
25020
f1344290e420 (un)overload: full rewrite;
wenzelm
parents: 25010
diff changeset
   492
      case (#axioms o AxClass.get_info thy) class
f1344290e420 (un)overload: full rewrite;
wenzelm
parents: 25010
diff changeset
   493
       of [thm] => SOME (Drule.unconstrainTs thm)
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   494
        | [] => NONE;
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   495
    val pred_intro = case Locale.intros thy class
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   496
     of ([ax_intro], [intro]) => intro |> OF_LAST ax_intro |> SOME
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   497
      | ([intro], []) => SOME intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   498
      | ([], [intro]) => SOME intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   499
      | _ => NONE;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   500
    val pred_intro' = pred_intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   501
      |> Option.map (fn intro => intro OF map_filter class_elim sups);
24930
cc2e0e8c81af renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   502
    val class_intro = (#intro o AxClass.get_info thy) class;
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   503
    val raw_intro = case pred_intro'
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   504
     of SOME pred_intro => class_intro |> OF_LAST pred_intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   505
      | NONE => class_intro;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   506
    val sort = Sign.super_classes thy class;
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   507
    val typ = TVar ((Name.aT, 0), sort);
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   508
    val defs = these_defs thy sups;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   509
  in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   510
    raw_intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   511
    |> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] []
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   512
    |> strip_all_ofclass thy sort
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   513
    |> Thm.strip_shyps
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   514
    |> MetaSimplifier.rewrite_rule defs
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   515
    |> Drule.unconstrainTs
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   516
  end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   517
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   518
fun class_interpretation class facts defs thy =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   519
  let
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   520
    val params = these_params thy [class];
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   521
    val inst = (#inst o the_class_data thy) class;
25020
f1344290e420 (un)overload: full rewrite;
wenzelm
parents: 25010
diff changeset
   522
    val tac = ALLGOALS (ProofContext.fact_tac facts);
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   523
    val prfx = class_prefix class;
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   524
  in
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   525
    thy
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   526
    |> fold_map (get_remove_global_constraint o fst o snd) params
25094
ba43514068fd Interpretation equations may have name and/or attribute.
ballarin
parents: 25083
diff changeset
   527
    ||> prove_interpretation tac ((false, prfx), []) (Locale.Locale class)
ba43514068fd Interpretation equations may have name and/or attribute.
ballarin
parents: 25083
diff changeset
   528
          (inst, map (fn def => (("", []), def)) defs)
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   529
    |-> (fn cs => fold (Sign.add_const_constraint o apsnd SOME) cs)
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   530
  end;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   531
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   532
fun intro_classes_tac facts st =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   533
  let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   534
    val thy = Thm.theory_of_thm st;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   535
    val classes = Sign.all_classes thy;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   536
    val class_trivs = map (Thm.class_triv thy) classes;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   537
    val class_intros = these_intros thy;
24930
cc2e0e8c81af renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   538
    val axclass_intros = map_filter (try (#intro o AxClass.get_info thy)) classes;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   539
  in
25268
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   540
    Method.intros_tac (class_trivs @ class_intros @ axclass_intros) facts st
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   541
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   542
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   543
fun default_intro_classes_tac [] = intro_classes_tac []
24930
cc2e0e8c81af renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   544
  | default_intro_classes_tac _ = no_tac;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   545
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   546
fun default_tac rules ctxt facts =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   547
  HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   548
    default_intro_classes_tac facts;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   549
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   550
val _ = Context.add_setup (Method.add_methods
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   551
 [("intro_classes", Method.no_args (Method.METHOD intro_classes_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   552
    "back-chain introduction rules of classes"),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   553
  ("default", Method.thms_ctxt_args (Method.METHOD oo default_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   554
    "apply some intro/elim rule")]);
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   555
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   556
fun subclass_rule thy (sub, sup) =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   557
  let
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   558
    val ctxt = Locale.init sub thy;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   559
    val ctxt_thy = ProofContext.init thy;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   560
    val props =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   561
      Locale.global_asms_of thy sup
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   562
      |> maps snd
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   563
      |> map (ObjectLogic.ensure_propT thy);
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   564
    fun tac { prems, context } =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   565
      Locale.intro_locales_tac true context prems
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   566
        ORELSE ALLGOALS assume_tac;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   567
  in
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   568
    Goal.prove_multi ctxt [] [] props tac
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   569
    |> map (Assumption.export false ctxt ctxt_thy)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   570
    |> Variable.export ctxt ctxt_thy
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   571
  end;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   572
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   573
fun prove_single_subclass (sub, sup) thms ctxt thy =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   574
  let
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   575
    val ctxt_thy = ProofContext.init thy;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   576
    val subclass_rule = Conjunction.intr_balanced thms
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   577
      |> Assumption.export false ctxt ctxt_thy
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   578
      |> singleton (Variable.export ctxt ctxt_thy);
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   579
    val sub_inst = Thm.ctyp_of thy (TVar ((Name.aT, 0), [sub]));
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   580
    val sub_ax = #axioms (AxClass.get_info thy sub);
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   581
    val classrel =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   582
      #intro (AxClass.get_info thy sup)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   583
      |> Drule.instantiate' [SOME sub_inst] []
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   584
      |> OF_LAST (subclass_rule OF sub_ax)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   585
      |> strip_all_ofclass thy (Sign.super_classes thy sup)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   586
      |> Thm.strip_shyps
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   587
  in
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   588
    thy
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   589
    |> AxClass.add_classrel classrel
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   590
    |> prove_interpretation_in (ALLGOALS (ProofContext.fact_tac thms))
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   591
         I (sub, Locale.Locale sup)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   592
    |> ClassData.map (Graph.add_edge (sub, sup))
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   593
  end;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   594
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   595
fun prove_subclass (sub, sup) thms ctxt thy =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   596
  let
25268
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   597
    val classes = ClassData.get thy;
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   598
    val is_sup = not o null o curry (Graph.irreducible_paths classes) sub;
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   599
    val supclasses = Graph.all_succs classes [sup] |> filter_out is_sup;
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   600
    fun transform sup' = subclass_rule thy (sup, sup') |> map (fn thm => thm OF thms);
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   601
  in
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   602
    thy
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   603
    |> fold_rev (fn sup' => prove_single_subclass (sub, sup')
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   604
         (transform sup') ctxt) supclasses
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   605
 end;
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   606
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   607
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   608
(** classes and class target **)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   609
25002
haftmann
parents: 24981
diff changeset
   610
(* class context syntax *)
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   611
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   612
structure ClassSyntax = ProofDataFun(
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   613
  type T = {
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   614
    constraints: (string * typ) list,
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   615
    base_sort: sort,
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   616
    local_operation: string * typ -> (typ * term) option,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   617
    unchecks: (term * term) list,
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   618
    passed: bool
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   619
  } option;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   620
  fun init _ = NONE;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   621
);
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   622
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   623
fun synchronize_syntax sups base_sort ctxt =
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   624
  let
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   625
    val thy = ProofContext.theory_of ctxt;
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   626
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   627
    (* constraints *)
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   628
    val operations = these_operations thy sups;
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   629
    fun local_constraint (c, (_, (ty, _))) =
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   630
      let
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   631
        val ty' = ty
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   632
          |> map_atyps (fn ty as TVar ((v, 0), _) =>
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   633
               if v = Name.aT then TVar ((v, 0), base_sort) else ty)
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   634
          |> SOME;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   635
      in (c, ty') end
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   636
    val constraints = (map o apsnd) (fst o snd) operations;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   637
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   638
    (* check phase *)
25318
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   639
    val consts = ProofContext.consts_of ctxt;
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   640
    fun declare_const (c, _) =
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   641
      let val b = Sign.base_name c
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   642
      in Sign.intern_const thy b = c ? Variable.declare_const (b, c) end;
25318
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   643
    val typargs = Consts.typargs consts;
25209
haftmann
parents: 25195
diff changeset
   644
    fun check_const (c, ty) (t, (_, typidx)) = ((nth (typargs (c, ty)) typidx), t);
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   645
    fun local_operation (c_ty as (c, _)) = AList.lookup (op =) operations c
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   646
      |> Option.map (check_const c_ty);
25002
haftmann
parents: 24981
diff changeset
   647
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   648
    (* uncheck phase *)
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   649
    val basify =
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   650
      map_atyps (fn ty as TFree (v, _) => if Name.aT = v then TFree (v, base_sort)
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   651
        else ty | ty => ty);
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   652
    val unchecks = these_unchecks thy sups
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   653
      |> (map o pairself o map_types) basify;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   654
  in
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   655
    ctxt
25318
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   656
(*    |> fold declare_const operations  FIXME *)
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   657
    |> fold (ProofContext.add_const_constraint o local_constraint) operations
25209
haftmann
parents: 25195
diff changeset
   658
    |> ClassSyntax.put (SOME {
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   659
        constraints = constraints,
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   660
        base_sort = base_sort,
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   661
        local_operation = local_operation,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   662
        unchecks = unchecks,
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   663
        passed = false
25209
haftmann
parents: 25195
diff changeset
   664
      })
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   665
  end;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   666
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   667
fun refresh_syntax class ctxt =
25002
haftmann
parents: 24981
diff changeset
   668
  let
haftmann
parents: 24981
diff changeset
   669
    val thy = ProofContext.theory_of ctxt;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   670
    val base_sort = (#base_sort o the_class_data thy) class;
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   671
  in synchronize_syntax [class] base_sort ctxt end;
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   672
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   673
val mark_passed = (ClassSyntax.map o Option.map)
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   674
  (fn { constraints, base_sort, local_operation, unchecks, passed } =>
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   675
    { constraints = constraints, base_sort = base_sort,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   676
      local_operation = local_operation, unchecks = unchecks, passed = true });
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   677
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   678
fun sort_term_check ts ctxt =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   679
  let
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   680
    val { constraints, base_sort, local_operation, passed, ... } =
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   681
      the (ClassSyntax.get ctxt);
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   682
    fun check_typ (c, ty) (TFree (v, _), t) = if v = Name.aT
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   683
          then apfst (AList.update (op =) ((c, ty), t)) else I
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   684
      | check_typ (c, ty) (TVar (vi, _), t) = if TypeInfer.is_param vi
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   685
          then apfst (AList.update (op =) ((c, ty), t))
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   686
            #> apsnd (insert (op =) vi) else I
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   687
      | check_typ _ _ = I;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   688
    fun add_const (Const c_ty) = Option.map (check_typ c_ty) (local_operation c_ty)
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   689
          |> the_default I
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   690
      | add_const _ = I;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   691
    val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []);
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   692
    val subst_typ = map_type_tvar (fn var as (vi, _) =>
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   693
      if member (op =) typarams vi then TFree (Name.aT, base_sort) else TVar var);
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   694
    val subst_term = map_aterms
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   695
        (fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty)) | t => t)
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   696
          #> map_types subst_typ;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   697
    val ts' = map subst_term ts;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   698
  in if eq_list (op aconv) (ts, ts') andalso passed then NONE
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   699
  else
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   700
    ctxt
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   701
    |> fold (ProofContext.add_const_constraint o apsnd SOME) constraints
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   702
    |> mark_passed
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   703
    |> pair ts'
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   704
    |> SOME
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   705
  end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   706
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   707
val uncheck = ref true;
25002
haftmann
parents: 24981
diff changeset
   708
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   709
fun sort_term_uncheck ts ctxt =
25002
haftmann
parents: 24981
diff changeset
   710
  let
haftmann
parents: 24981
diff changeset
   711
    val thy = ProofContext.theory_of ctxt;
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   712
    val unchecks = (#unchecks o the o ClassSyntax.get) ctxt;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   713
    val ts' = if ! uncheck
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   714
      then map (Pattern.rewrite_term thy unchecks []) ts else ts;
25060
17c313217998 Syntax.(un)check: explicit result option;
wenzelm
parents: 25038
diff changeset
   715
  in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt) end;
25002
haftmann
parents: 24981
diff changeset
   716
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   717
fun init_ctxt sups base_sort ctxt =
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   718
  ctxt
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   719
  |> Variable.declare_term
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   720
      (Logic.mk_type (TFree (Name.aT, base_sort)))
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   721
  |> synchronize_syntax sups base_sort
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   722
  |> Context.proof_map (
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   723
      Syntax.add_term_check 0 "class" sort_term_check
25103
haftmann
parents: 25096
diff changeset
   724
      #> Syntax.add_term_uncheck 0 "class" sort_term_uncheck)
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   725
25311
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   726
fun init class thy =
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   727
  thy
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   728
  |> Locale.init class
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   729
  |> init_ctxt [class] ((#base_sort o the_class_data thy) class);
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   730
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   731
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   732
(* class definition *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   733
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   734
local
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   735
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   736
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   737
  let
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   738
    val supclasses = map (prep_class thy) raw_supclasses;
25209
haftmann
parents: 25195
diff changeset
   739
    val sups = filter (is_class thy) supclasses;
haftmann
parents: 25195
diff changeset
   740
    fun the_base_sort class = lookup_class_data thy class
haftmann
parents: 25195
diff changeset
   741
      |> Option.map #base_sort
haftmann
parents: 25195
diff changeset
   742
      |> the_default [class];
haftmann
parents: 25195
diff changeset
   743
    val base_sort = Sign.minimize_sort thy (maps the_base_sort supclasses);
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   744
    val supsort = Sign.minimize_sort thy supclasses;
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   745
    val suplocales = map Locale.Locale sups;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   746
    val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e)
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   747
      | Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   748
    val supexpr = Locale.Merge suplocales;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   749
    val supparams = (map fst o Locale.parameters_of_expr thy) supexpr;
25002
haftmann
parents: 24981
diff changeset
   750
    val supconsts = AList.make (the o AList.lookup (op =) (these_params thy sups))
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   751
      (map fst supparams);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   752
    val mergeexpr = Locale.Merge (suplocales @ includes);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   753
    val constrain = Element.Constrains ((map o apsnd o map_atyps)
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   754
      (fn TFree (_, sort) => TFree (Name.aT, sort)) supparams);
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   755
  in
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   756
    ProofContext.init thy
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   757
    |> Locale.cert_expr supexpr [constrain]
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   758
    |> snd
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   759
    |> init_ctxt sups base_sort
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   760
    |> process_expr Locale.empty raw_elems
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   761
    |> fst
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   762
    |> (fn elems => ((((sups, supconsts), (supsort, base_sort, mergeexpr)),
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   763
          (*FIXME*) if null includes then constrain :: elems else elems)))
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   764
  end;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   765
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   766
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   767
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   768
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   769
fun define_class_params (name, raw_superclasses) raw_consts raw_dep_axioms other_consts thy =
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   770
  let
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   771
    val superclasses = map (Sign.certify_class thy) raw_superclasses;
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   772
    val consts = (map o apfst o apsnd) (Sign.certify_typ thy) raw_consts;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   773
    fun add_const ((c, ty), syn) =
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   774
      Sign.declare_const [] (c, Type.strip_sorts ty, syn) #>> Term.dest_Const;
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   775
    fun mk_axioms cs thy =
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   776
      raw_dep_axioms thy cs
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   777
      |> (map o apsnd o map) (Sign.cert_prop thy)
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   778
      |> rpair thy;
25002
haftmann
parents: 24981
diff changeset
   779
    fun constrain_typs class = (map o apsnd o Term.map_type_tfree)
haftmann
parents: 24981
diff changeset
   780
      (fn (v, _) => TFree (v, [class]))
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   781
  in
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   782
    thy
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   783
    |> Sign.add_path (Logic.const_of_class name)
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   784
    |> fold_map add_const consts
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   785
    ||> Sign.restore_naming thy
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   786
    |-> (fn cs => mk_axioms cs
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   787
    #-> (fn axioms_prop => AxClass.define_class (name, superclasses)
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   788
           (map fst cs @ other_consts) axioms_prop
25002
haftmann
parents: 24981
diff changeset
   789
    #-> (fn class => `(fn _ => constrain_typs class cs)
haftmann
parents: 24981
diff changeset
   790
    #-> (fn cs' => `(fn thy => AxClass.get_info thy class)
haftmann
parents: 24981
diff changeset
   791
    #-> (fn {axioms, ...} => fold (Sign.add_const_constraint o apsnd SOME) cs'
haftmann
parents: 24981
diff changeset
   792
    #> pair (class, (cs', axioms)))))))
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   793
  end;
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   794
25002
haftmann
parents: 24981
diff changeset
   795
fun gen_class prep_spec prep_param bname
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   796
    raw_supclasses raw_includes_elems raw_other_consts thy =
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   797
  let
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   798
    val class = Sign.full_name thy bname;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   799
    val (((sups, supconsts), (supsort, base_sort, mergeexpr)), elems_syn) =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   800
      prep_spec thy raw_supclasses raw_includes_elems;
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   801
    val other_consts = map (tap (Sign.the_const_type thy) o prep_param thy) raw_other_consts;
25163
haftmann
parents: 25146
diff changeset
   802
    fun mk_inst class cs =
haftmann
parents: 25146
diff changeset
   803
      (map o apsnd o Term.map_type_tfree) (fn (v, _) => TFree (v, [class])) cs;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   804
    fun fork_syntax (Element.Fixes xs) =
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   805
          fold_map (fn (c, ty, syn) => cons (c, syn) #> pair (c, ty, NoSyn)) xs
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   806
          #>> Element.Fixes
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   807
      | fork_syntax x = pair x;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   808
    val (elems, global_syn) = fold_map fork_syntax elems_syn [];
25326
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   809
    fun globalize (c, ty) =
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   810
      ((c, Term.map_type_tfree (K (TFree (Name.aT, base_sort))) ty),
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   811
        (the_default NoSyn o AList.lookup (op =) global_syn) c);
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   812
    fun extract_params thy =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   813
      let
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   814
        val params = map fst (Locale.parameters_of thy class);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   815
      in
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   816
        (params, (map globalize o snd o chop (length supconsts)) params)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   817
      end;
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   818
    fun extract_assumes params thy cs =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   819
      let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   820
        val consts = supconsts @ (map (fst o fst) params ~~ cs);
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   821
        fun subst (Free (c, ty)) =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   822
              Const ((fst o the o AList.lookup (op =) consts) c, ty)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   823
          | subst t = t;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   824
        fun prep_asm ((name, atts), ts) =
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   825
          ((Sign.base_name name, map (Attrib.attribute_i thy) atts),
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   826
            (map o map_aterms) subst ts);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   827
      in
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   828
        Locale.global_asms_of thy class
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   829
        |> map prep_asm
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   830
      end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   831
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   832
    thy
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   833
    |> Locale.add_locale_i (SOME "") bname mergeexpr elems
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   834
    |> snd
25311
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   835
    |> ProofContext.theory_of
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   836
    |> `extract_params
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   837
    |-> (fn (all_params, params) =>
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   838
        define_class_params (bname, supsort) params
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   839
          (extract_assumes params) other_consts
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   840
      #-> (fn (_, (consts, axioms)) =>
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   841
        `(fn thy => class_intro thy class sups)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   842
      #-> (fn class_intro =>
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   843
        PureThy.note_thmss_qualified "" (NameSpace.append class classN)
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   844
          [((introN, []), [([class_intro], [])])]
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   845
      #-> (fn [(_, [class_intro])] =>
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   846
        add_class_data ((class, sups),
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   847
          (map fst params ~~ consts, base_sort,
25163
haftmann
parents: 25146
diff changeset
   848
            mk_inst class (map snd supconsts @ consts),
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   849
              calculate_morphism class (supconsts @ (map (fst o fst) params ~~ consts)), class_intro))
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   850
      #> class_interpretation class axioms []
25311
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   851
      ))))
25268
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   852
    |> init class
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   853
    |> pair class
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   854
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   855
25326
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   856
fun read_const thy = #1 o Term.dest_Const o ProofContext.read_const (ProofContext.init thy);
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   857
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   858
in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   859
25326
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   860
val class_cmd = gen_class read_class_spec read_const;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   861
val class = gen_class check_class_spec (K I);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   862
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   863
end; (*local*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   864
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   865
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   866
(* definition in class target *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   867
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   868
fun add_logical_const class pos ((c, mx), dict) thy =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   869
  let
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   870
    val prfx = class_prefix class;
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   871
    val thy' = thy |> Sign.add_path prfx;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   872
    val phi = morphism thy' class;
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   873
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   874
    val c' = Sign.full_name thy' c;
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   875
    val dict' = Morphism.term phi dict;
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   876
    val dict_def = map_types Logic.unvarifyT dict';
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   877
    val ty' = Term.fastype_of dict_def;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   878
    val ty'' = Type.strip_sorts ty';
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   879
    val def_eq = Logic.mk_equals (Const (c', ty'), dict_def);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   880
  in
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   881
    thy'
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   882
    |> Sign.declare_const pos (c, ty'', mx) |> snd
25318
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   883
    |> Thm.add_def false (c, def_eq)    (* FIXME PureThy.add_defs_i *)
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   884
    |>> Thm.symmetric
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   885
    |-> (fn def => class_interpretation class [def] [Thm.prop_of def]
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   886
          #> register_operation class (c', ((dict, dict'), SOME (Thm.varifyT def))))
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   887
    |> Sign.restore_naming thy
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   888
    |> Sign.add_const_constraint (c', SOME ty')
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   889
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   890
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   891
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   892
(* abbreviation in class target *)
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   893
25103
haftmann
parents: 25096
diff changeset
   894
fun add_syntactic_const class prmode pos ((c, mx), rhs) thy =
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   895
  let
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   896
    val prfx = class_prefix class;
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   897
    val thy' = thy |> Sign.add_path prfx;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   898
    val phi = morphism thy class;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   899
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   900
    val c' = Sign.full_name thy' c;
25146
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   901
    val rews = map (Logic.dest_equals o Thm.prop_of) (these_defs thy' [class])
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   902
    val rhs' = (Pattern.rewrite_term thy rews [] o Morphism.term phi) rhs;
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   903
    val ty' = Logic.unvarifyT (Term.fastype_of rhs');
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   904
  in
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   905
    thy'
25146
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   906
    |> Sign.add_abbrev (#1 prmode) pos (c, map_types Type.strip_sorts rhs') |> snd
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   907
    |> Sign.add_const_constraint (c', SOME ty')
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   908
    |> Sign.notation true prmode [(Const (c', ty'), mx)]
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   909
    |> register_operation class (c', ((rhs, rhs'), NONE))
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   910
    |> Sign.restore_naming thy
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   911
  end;
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   912
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   913
end;