src/Pure/Isar/class.ML
author haftmann
Mon, 08 Oct 2007 08:04:28 +0200
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child 24914 95cda5dd58d5
permissions -rw-r--r--
added first version of user-space type system for class target
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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 fork_mixfix: bool -> string option -> mixfix -> mixfix * mixfix
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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: bool -> 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: bool -> bstring -> xstring list -> Element.context Locale.element list
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    -> xstring list -> theory -> string * Proof.context
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  val add_const_in_class: string -> (string * term) * Syntax.mixfix
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    -> theory -> theory
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  val interpretation_in_class: class * class -> theory -> Proof.state
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  val interpretation_in_class_cmd: xstring * xstring -> theory -> Proof.state
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  val prove_interpretation_in_class: tactic -> class * class -> theory -> theory
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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 class_of_locale: theory -> string -> class option
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  val print_classes: theory -> unit
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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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  val params_of_sort: theory -> sort -> (string * (string * typ)) list
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  val init: class -> Proof.context -> Proof.context;
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  val local_syntax: theory -> class -> bool
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  val add_abbrev_in_class: string -> Syntax.mode -> (string * term) * mixfix
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    -> theory -> theory
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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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fun fork_mixfix is_loc some_class mx =
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  let
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    val mx' = Syntax.unlocalize_mixfix mx;
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    val mx_global = if not is_loc orelse (is_some some_class andalso not (mx = mx'))
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      then mx' else NoSyn;
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    val mx_local = if is_loc then mx else NoSyn;
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  in (mx_global, mx_local) end;
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fun prove_interpretation tac prfx_atts expr insts =
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  Locale.interpretation_i I prfx_atts expr insts
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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 =
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  let
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    val n = (length o Logic.strip_imp_prems o prop_of) thm2;
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  in (thm1 RSN (n, thm2)) end;
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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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(** 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 f thy = (Symtab.fold (Symtab.fold (cons o f 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 false (inst_thms I thy);
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fun overload thy = MetaSimplifier.rewrite false (inst_thms symmetric 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 = NameSpace.base tyco;
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    val name_inst = NameSpace.base class ^ "_" ^ tyco_base ^ "_inst";
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    val c_inst_base = NameSpace.base 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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    |> PureThy.simple_def ("", [])
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         (((c_inst_base, ty, Syntax.NoSyn), []), Const (c, ty))
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    |-> (fn (c_inst, thm) => add_inst (c, tyco) (c_inst, 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 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 (Sign.pp thy) 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 o map quote) dupl_tycos);
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    fun get_remove_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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    fun get_consts_class tyco ty class =
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      let
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        val cs = (these o Option.map snd o try (AxClass.params_of_class 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_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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  locale: string,
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  consts: (string * string) list
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    (*locale parameter ~> constant name*),
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  local_sort: sort,
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  inst: typ Symtab.table * term Symtab.table
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    (*canonical interpretation*),
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  intro: thm,
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  local_syntax: bool,
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  defs: thm list,
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  operations: (string * (term * int) option) list
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    (*constant name ~> (locale term, instantiaton index of class typ)*)
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};
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fun rep_class_data (ClassData d) = d;
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fun mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax), (defs, operations)) =
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  ClassData { locale = locale, consts = consts, local_sort = local_sort, inst = inst, intro = intro,
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    local_syntax = local_syntax, defs = defs, operations = operations };
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fun map_class_data f (ClassData { locale, consts, local_sort, inst, intro, local_syntax, defs, operations }) =
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  mk_class_data (f ((locale, consts, local_sort, inst, intro, local_syntax), (defs, operations)))
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fun merge_class_data _ (ClassData { locale = locale, consts = consts, local_sort = local_sort, inst = inst,
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    intro = intro, local_syntax = local_syntax, defs = defs1, operations = operations1 },
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  ClassData { locale = _, consts = _, local_sort = _, inst = _, intro = _, local_syntax = _,
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    defs = defs2, operations = operations2 }) =
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  mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax),
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    (Thm.merge_thms (defs1, defs2), AList.merge (op =) (K true) (operations1, operations2)));
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fun merge_pair f1 f2 ((x1, y1), (x2, y2)) = (f1 (x1, x2), f2 (y1, y2));
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structure ClassData = TheoryDataFun
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   354
(
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  type T = class_data Graph.T * class Symtab.table
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    (*locale name ~> class name*);
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  val empty = (Graph.empty, Symtab.empty);
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   358
  val copy = I;
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   359
  val extend = I;
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  fun merge _ = merge_pair (Graph.join merge_class_data) (Symtab.merge (K true));
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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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   366
val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node
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  o fst o ClassData.get;
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fun class_of_locale thy = Symtab.lookup ((snd o ClassData.get) thy);
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   369
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fun the_class_data thy class = case lookup_class_data thy class
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   371
 of NONE => error ("undeclared class " ^ quote class)
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  | SOME data => data;
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   373
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val ancestry = Graph.all_succs o fst o ClassData.get;
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   375
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   376
fun params_of_sort thy =
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   377
  let
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   378
    fun params class =
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   379
      let
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   380
        val const_typs = (#params o AxClass.get_definition thy) class;
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        val const_names = (#consts o the_class_data thy) class;
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   382
      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 these_intros thy =
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   390
  Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data))
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   391
    ((fst o ClassData.get) thy) [];
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   392
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   393
fun these_operations thy =
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   394
  maps (#operations o the_class_data thy) o ancestry thy;
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   395
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   396
fun local_operation thy = Option.join oo AList.lookup (op =) o these_operations thy;
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   397
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   398
fun sups_local_sort thy sort =
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   399
  let
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   400
    val sups = filter (is_some o lookup_class_data thy) sort
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   401
      |> Sign.minimize_sort thy;
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   402
    val local_sort = case sups
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   403
     of sup :: _ => #local_sort (the_class_data thy sup)
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   404
      | [] => sort;
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   405
  in (sups, local_sort) end;
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diff changeset
   406
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   407
fun local_syntax thy = #local_syntax o the_class_data thy;
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   408
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   409
fun print_classes thy =
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   410
  let
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   411
    val algebra = Sign.classes_of thy;
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   412
    val arities =
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   413
      Symtab.empty
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   414
      |> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) =>
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   415
           Symtab.map_default (class, []) (insert (op =) tyco)) arities)
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   416
             ((#arities o Sorts.rep_algebra) algebra);
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   417
    val the_arities = these o Symtab.lookup arities;
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   418
    fun mk_arity class tyco =
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   419
      let
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   420
        val Ss = Sorts.mg_domain algebra tyco [class];
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   421
      in Sign.pretty_arity thy (tyco, Ss, [class]) end;
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   422
    fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: "
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   423
      ^ setmp show_sorts false (Sign.string_of_typ thy o Type.strip_sorts) ty);
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   424
    fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [
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   425
      (SOME o Pretty.str) ("class " ^ class ^ ":"),
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parents:
diff changeset
   426
      (SOME o Pretty.block) [Pretty.str "supersort: ",
24731
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diff changeset
   427
        (Sign.pretty_sort thy o Sign.minimize_sort thy o Sign.super_classes thy) class],
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   428
      Option.map (Pretty.str o prefix "locale: " o #locale) (lookup_class_data thy class),
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   429
      ((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks) (Pretty.str "parameters:" :: ps)) o map mk_param
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   430
        o these o Option.map #params o try (AxClass.get_definition thy)) class,
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parents:
diff changeset
   431
      (SOME o Pretty.block o Pretty.breaks) [
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   432
        Pretty.str "instances:",
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   433
        Pretty.list "" "" (map (mk_arity class) (the_arities class))
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   434
      ]
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parents:
diff changeset
   435
    ]
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parents:
diff changeset
   436
  in
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   437
    (Pretty.writeln o Pretty.chunks o separate (Pretty.str "")
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   438
      o map mk_entry o Sorts.all_classes) algebra
24218
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parents:
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   439
  end;
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   440
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   441
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diff changeset
   442
(* updaters *)
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   443
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   444
fun add_class_data ((class, superclasses), (locale, consts, local_sort, inst, intro, local_syntax)) =
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   445
  ClassData.map (fn (gr, tab) => (
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   446
    gr
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   447
    |> Graph.new_node (class, mk_class_data ((locale, (map o apfst) fst consts, local_sort, inst,
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   448
         intro, local_syntax), ([], map (apsnd (SOME o rpair 0 o Free) o swap) consts)))
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   449
    |> fold (curry Graph.add_edge class) superclasses,
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   450
    tab
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   451
    |> Symtab.update (locale, class)
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   452
  ));
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parents:
diff changeset
   453
24901
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diff changeset
   454
fun register_const class (entry, def) =
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   455
  (ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd)
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   456
    (fn (defs, operations) => (def :: defs, apsnd SOME entry :: operations));
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diff changeset
   457
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   458
fun register_abbrev class abbrev =
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   459
  (ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd o apsnd)
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   460
    (cons (abbrev, NONE));
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   461
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   462
d3fca349736c clarified class interfaces and internals
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   463
(** rule calculation, tactics and methods **)
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diff changeset
   464
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   465
fun class_intro thy locale class sups =
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   466
  let
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   467
    fun class_elim class =
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diff changeset
   468
      case (map Drule.unconstrainTs o #axioms o AxClass.get_definition thy) class
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diff changeset
   469
       of [thm] => SOME thm
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diff changeset
   470
        | [] => NONE;
d3fca349736c clarified class interfaces and internals
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diff changeset
   471
    val pred_intro = case Locale.intros thy locale
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diff changeset
   472
     of ([ax_intro], [intro]) => intro |> OF_LAST ax_intro |> SOME
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diff changeset
   473
      | ([intro], []) => SOME intro
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diff changeset
   474
      | ([], [intro]) => SOME intro
d3fca349736c clarified class interfaces and internals
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diff changeset
   475
      | _ => NONE;
d3fca349736c clarified class interfaces and internals
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diff changeset
   476
    val pred_intro' = pred_intro
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diff changeset
   477
      |> Option.map (fn intro => intro OF map_filter class_elim sups);
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diff changeset
   478
    val class_intro = (#intro o AxClass.get_definition thy) class;
d3fca349736c clarified class interfaces and internals
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diff changeset
   479
    val raw_intro = case pred_intro'
d3fca349736c clarified class interfaces and internals
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diff changeset
   480
     of SOME pred_intro => class_intro |> OF_LAST pred_intro
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diff changeset
   481
      | NONE => class_intro;
d3fca349736c clarified class interfaces and internals
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diff changeset
   482
    val sort = Sign.super_classes thy class;
24847
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wenzelm
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diff changeset
   483
    val typ = TVar ((Name.aT, 0), sort);
24589
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   484
    val defs = these_defs thy sups;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   485
  in
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   486
    raw_intro
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   487
    |> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] []
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   488
    |> strip_all_ofclass thy sort
d3fca349736c clarified class interfaces and internals
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diff changeset
   489
    |> Thm.strip_shyps
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   490
    |> MetaSimplifier.rewrite_rule defs
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   491
    |> Drule.unconstrainTs
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   492
  end;
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   493
d3fca349736c clarified class interfaces and internals
haftmann
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diff changeset
   494
fun class_interpretation class facts defs thy =
d3fca349736c clarified class interfaces and internals
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parents: 24435
diff changeset
   495
  let
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   496
    val { locale, inst, ... } = the_class_data thy class;
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   497
    val tac = (ALLGOALS o ProofContext.fact_tac) facts;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   498
    val prfx = Logic.const_of_class (NameSpace.base class);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   499
  in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   500
    prove_interpretation tac ((false, prfx), []) (Locale.Locale locale)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   501
      (inst, defs) thy
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   502
  end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   503
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   504
fun interpretation_in_rule thy (class1, class2) =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   505
  let
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   506
    fun mk_axioms class =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   507
      let
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   508
        val { locale, inst = (_, insttab), ... } = the_class_data thy class;
24589
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
        Locale.global_asms_of thy locale
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   511
        |> maps snd
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   512
        |> (map o map_aterms) (fn Free (s, _) => (the o Symtab.lookup insttab) s | t => t)
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   513
        |> (map o map_types o map_atyps) (fn TFree _ => TFree (Name.aT, [class1]) | T => T)
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   514
        |> map (ObjectLogic.ensure_propT thy)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   515
      end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   516
    val (prems, concls) = pairself mk_axioms (class1, class2);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   517
  in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   518
    Goal.prove_global thy [] prems (Logic.mk_conjunction_list concls)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   519
      (Locale.intro_locales_tac true (ProofContext.init thy))
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   520
  end;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   521
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   522
fun intro_classes_tac facts st =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   523
  let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   524
    val thy = Thm.theory_of_thm st;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   525
    val classes = Sign.all_classes thy;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   526
    val class_trivs = map (Thm.class_triv thy) classes;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   527
    val class_intros = these_intros thy;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   528
    fun add_axclass_intro class =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   529
      case try (AxClass.get_definition thy) class of SOME {intro, ...} => cons intro | _ => I;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   530
    val axclass_intros = fold add_axclass_intro classes [];
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   531
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   532
    st
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   533
    |> ((ALLGOALS (Method.insert_tac facts THEN'
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   534
          REPEAT_ALL_NEW (resolve_tac (class_trivs @ class_intros @ axclass_intros))))
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   535
            THEN Tactic.distinct_subgoals_tac)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   536
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   537
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   538
fun default_intro_classes_tac [] = intro_classes_tac []
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   539
  | default_intro_classes_tac _ = Tactical.no_tac;    (*no error message!*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   540
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   541
fun default_tac rules ctxt facts =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   542
  HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   543
    default_intro_classes_tac facts;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   544
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   545
val _ = Context.add_setup (Method.add_methods
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   546
 [("intro_classes", Method.no_args (Method.METHOD intro_classes_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   547
    "back-chain introduction rules of classes"),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   548
  ("default", Method.thms_ctxt_args (Method.METHOD oo default_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   549
    "apply some intro/elim rule")]);
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   550
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   551
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   552
(** classes and class target **)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   553
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   554
(* class context initialization *)
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   555
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   556
fun get_remove_constraints sups local_sort ctxt =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   557
  let
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   558
    val thy = ProofContext.theory_of ctxt;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   559
    val operations = these_operations thy sups;
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   560
    fun get_remove (c, _) ctxt =
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   561
      let
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   562
        val ty = ProofContext.the_const_constraint ctxt c;
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   563
        val ty' = map_atyps (fn ty as TFree (v, _) => if v = Name.aT
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   564
          then TFree (v, local_sort) else ty | ty => ty) ty;
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   565
      in
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   566
        ctxt
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   567
        |> ProofContext.add_const_constraint (c, SOME ty')
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   568
        |> pair (c, ty)
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   569
      end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   570
  in
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   571
    ctxt
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   572
    |> fold_map get_remove operations
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   573
  end;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   574
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   575
fun sort_term_check thy sups local_sort constraints ts ctxt =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   576
  let
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   577
    val local_operation = local_operation thy sups;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   578
    val consts = ProofContext.consts_of ctxt;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   579
    fun check_typ (c, ty) (t', idx) = case nth (Consts.typargs consts (c, ty)) idx
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   580
     of TFree (v, _) => if v = Name.aT
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   581
          then apfst (AList.update (op =) ((c, ty), t')) else I
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   582
      | TVar (vi, _) => if TypeInfer.is_param vi
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   583
          then apfst (AList.update (op =) ((c, ty), t'))
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   584
            #> apsnd (insert (op =) vi) else I
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   585
      | _ => I;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   586
    fun add_const (Const (c, ty)) = (case local_operation c
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   587
         of SOME (t', idx) => check_typ (c, ty) (t', idx)
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   588
          | NONE => I)
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   589
      | add_const _ = I;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   590
    val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []);
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   591
    val ts' = map (map_aterms
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   592
        (fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty)) | t => t)
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   593
      #> (map_types o map_type_tvar) (fn var as (vi, _) => if member (op =) typarams vi
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   594
           then TFree (Name.aT, local_sort) else TVar var)) ts;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   595
    val ctxt' = fold (ProofContext.add_const_constraint o apsnd SOME) constraints ctxt;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   596
  in (ts', ctxt') end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   597
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   598
fun init_class_ctxt thy sups local_sort ctxt =
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   599
  ctxt
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   600
  |> Variable.declare_term
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   601
      (Logic.mk_type (TFree (Name.aT, local_sort)))
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   602
  |> get_remove_constraints sups local_sort
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   603
  |-> (fn constraints => Context.proof_map (Syntax.add_term_check 50 "class"
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   604
        (sort_term_check thy sups local_sort constraints)));
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   605
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   606
fun init class ctxt =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   607
  let
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   608
    val thy = ProofContext.theory_of ctxt;
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   609
    val local_sort = (#local_sort o the_class_data thy) class;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   610
  in init_class_ctxt thy [class] local_sort ctxt end;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   611
  
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   612
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   613
(* class definition *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   614
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   615
local
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   616
24707
dfeb98f84e93 Syntax.parse/check/read;
wenzelm
parents: 24701
diff changeset
   617
fun read_param thy raw_t =  (* FIXME ProofContext.read_const (!?) *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   618
  let
24707
dfeb98f84e93 Syntax.parse/check/read;
wenzelm
parents: 24701
diff changeset
   619
    val t = Syntax.read_term_global thy raw_t
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   620
  in case try dest_Const t
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   621
   of SOME (c, _) => c
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   622
    | NONE => error ("Not a constant: " ^ Sign.string_of_term thy t)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   623
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   624
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   625
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
   626
  let
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   627
    val supclasses = map (prep_class thy) raw_supclasses;
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   628
    val (sups, local_sort) = sups_local_sort thy supclasses;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   629
    val supsort = Sign.minimize_sort thy supclasses;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   630
    val suplocales = map (Locale.Locale o #locale o the_class_data thy) sups;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   631
    val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e)
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   632
      | Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   633
    val supexpr = Locale.Merge suplocales;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   634
    val supparams = (map fst o Locale.parameters_of_expr thy) supexpr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   635
    val supconsts = AList.make (the o AList.lookup (op =) (params_of_sort thy sups))
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   636
      (map fst supparams);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   637
    val mergeexpr = Locale.Merge (suplocales @ includes);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   638
    val constrain = Element.Constrains ((map o apsnd o map_atyps)
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   639
      (fn TFree (_, sort) => TFree (Name.aT, sort)) supparams);
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   640
  in
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   641
    ProofContext.init thy
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   642
    |> Locale.cert_expr supexpr [constrain]
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   643
    |> snd
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   644
    |> init_class_ctxt thy sups local_sort
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   645
    |> process_expr Locale.empty raw_elems
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   646
    |> fst
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   647
    |> (fn elems => ((((sups, supconsts), (supsort, local_sort, mergeexpr)),
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   648
          (*FIXME*) if null includes then constrain :: elems else elems)))
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   649
  end;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   650
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   651
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
   652
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
   653
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   654
fun gen_class prep_spec prep_param local_syntax bname
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   655
    raw_supclasses raw_includes_elems raw_other_consts thy =
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   656
  let
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   657
    val (((sups, supconsts), (supsort, local_sort, mergeexpr)), elems) =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   658
      prep_spec thy raw_supclasses raw_includes_elems;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   659
    val other_consts = map (prep_param thy) raw_other_consts;
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   660
    fun mk_instT class = Symtab.empty
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   661
      |> Symtab.update (Name.aT, TFree (Name.aT, [class]));
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   662
    fun mk_inst class param_names cs =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   663
      Symtab.empty
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   664
      |> fold2 (fn v => fn (c, ty) => Symtab.update (v, Const
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   665
           (c, Term.map_type_tfree (fn (v, _) => TFree (v, [class])) ty))) param_names cs;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   666
    fun extract_params thy name_locale =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   667
      let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   668
        val params = Locale.parameters_of thy name_locale;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   669
        val _ = if Sign.subsort thy (supsort, local_sort) then () else error
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   670
          ("Sort " ^ Sign.string_of_sort thy local_sort
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   671
            ^ " is less general than permitted least general sort "
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   672
            ^ Sign.string_of_sort thy supsort);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   673
      in
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   674
        (map fst params, params
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   675
        |> (map o apfst o apsnd o Term.map_type_tfree) (K (TFree (Name.aT, local_sort)))
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   676
        |> (map o apsnd) (fork_mixfix true (SOME "") #> fst)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   677
        |> chop (length supconsts)
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   678
        |> snd)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   679
      end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   680
    fun extract_assumes name_locale params thy cs =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   681
      let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   682
        val consts = supconsts @ (map (fst o fst) params ~~ cs);
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   683
        fun subst (Free (c, ty)) =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   684
              Const ((fst o the o AList.lookup (op =) consts) c, ty)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   685
          | subst t = t;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   686
        fun prep_asm ((name, atts), ts) =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   687
          ((NameSpace.base name, map (Attrib.attribute thy) atts),
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   688
            (map o map_aterms) subst ts);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   689
      in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   690
        Locale.global_asms_of thy name_locale
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   691
        |> map prep_asm
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   692
      end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   693
    fun note_intro name_axclass class_intro =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   694
      PureThy.note_thmss_qualified "" ((Logic.const_of_class o NameSpace.base) name_axclass)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   695
        [(("intro", []), [([class_intro], [])])]
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   696
      #> snd
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   697
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   698
    thy
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   699
    |> Locale.add_locale_i (SOME "") bname mergeexpr elems
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   700
    |-> (fn name_locale => ProofContext.theory_result (
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   701
      `(fn thy => extract_params thy name_locale)
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   702
      #-> (fn (globals, params) =>
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   703
        AxClass.define_class_params (bname, supsort) params
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   704
          (extract_assumes name_locale params) other_consts
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   705
      #-> (fn (name_axclass, (consts, axioms)) =>
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   706
        `(fn thy => class_intro thy name_locale name_axclass sups)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   707
      #-> (fn class_intro =>
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   708
        add_class_data ((name_axclass, sups),
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   709
          (name_locale, map fst params ~~ map fst consts, local_sort,
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   710
            (mk_instT name_axclass, mk_inst name_axclass (map fst globals)
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   711
              (map snd supconsts @ consts)), class_intro, local_syntax))
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   712
      #> note_intro name_axclass class_intro
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   713
      #> class_interpretation name_axclass axioms []
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   714
      #> pair name_axclass
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   715
      )))))
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   716
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   717
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   718
in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   719
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   720
val class_cmd = gen_class read_class_spec read_param;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   721
val class = gen_class check_class_spec (K I);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   722
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   723
end; (*local*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   724
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   725
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   726
(* definition in class target *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   727
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   728
fun export_fixes thy class =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   729
  let
24435
cabf8cd38258 introduces params_of_sort
haftmann
parents: 24423
diff changeset
   730
    val consts = params_of_sort thy [class];
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   731
    fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) consts v
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   732
         of SOME (c, _) => Const (c, ty)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   733
          | NONE => t)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   734
      | subst_aterm t = t;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   735
  in Term.map_aterms subst_aterm end;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   736
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   737
fun mk_operation_entry thy (c, rhs) =
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   738
  let
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   739
    val typargs = Sign.const_typargs thy (c, fastype_of rhs);
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   740
    val typidx = find_index (fn TFree (w, _) => Name.aT = w | _ => false) typargs;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   741
  in (c, (rhs, typidx)) end;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   742
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   743
fun add_const_in_class class ((c, rhs), syn) thy =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   744
  let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   745
    val prfx = (Logic.const_of_class o NameSpace.base) class;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   746
    fun mk_name c =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   747
      let
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   748
        val n1 = Sign.full_name thy c;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   749
        val n2 = NameSpace.qualifier n1;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   750
        val n3 = NameSpace.base n1;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   751
      in NameSpace.implode [n2, prfx, n3] end;
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   752
    val constrain_sort = curry (Sorts.inter_sort (Sign.classes_of thy)) [class];
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   753
    val rhs' = export_fixes thy class rhs;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   754
    val subst_typ = Term.map_type_tfree (fn var as (w, sort) =>
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   755
      if w = Name.aT then TFree (w, constrain_sort sort) else TFree var);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   756
    val ty' = Term.fastype_of rhs';
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   757
    val ty'' = subst_typ ty';
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   758
    val c' = mk_name c;
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   759
    val def = (c, Logic.mk_equals (Const (c', ty'), rhs'));
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   760
    val (syn', _) = fork_mixfix true (SOME class) syn;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   761
    fun interpret def thy =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   762
      let
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   763
        val def' = symmetric def;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   764
        val def_eq = Thm.prop_of def';
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   765
        val entry = mk_operation_entry thy (c', rhs);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   766
      in
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   767
        thy
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   768
        |> class_interpretation class [def'] [def_eq]
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   769
        |> register_const class (entry, def')
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   770
      end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   771
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   772
    thy
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   773
    |> Sign.add_path prfx
24770
695a8e087b9f Sign.add_consts_authentic: tags (Markup.property list);
wenzelm
parents: 24766
diff changeset
   774
    |> Sign.add_consts_authentic [] [(c, ty', syn')]
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   775
    |> Sign.parent_path
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   776
    |> Sign.sticky_prefix prfx
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   777
    |> PureThy.add_defs_i false [(def, [])]
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   778
    |-> (fn [def] => interpret def)
24766
d0de4e48b526 Sign.add_const_constraint;
wenzelm
parents: 24748
diff changeset
   779
    |> Sign.add_const_constraint (c', SOME ty'')
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   780
    |> Sign.restore_naming thy
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   781
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   782
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   783
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   784
(* abbreviation in class target *)
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   785
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   786
fun add_abbrev_in_class class prmode ((c, rhs), syn) thy =
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   787
  let
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   788
    val prfx = (Logic.const_of_class o NameSpace.base) class;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   789
    fun mk_name c =
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   790
      let
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   791
        val n1 = Sign.full_name thy c;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   792
        val n2 = NameSpace.qualifier n1;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   793
        val n3 = NameSpace.base n1;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   794
      in NameSpace.implode [n2, prfx, prfx, n3] end;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   795
    val c' = mk_name c;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   796
    val rhs' = export_fixes thy class rhs;
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   797
    val ty' = fastype_of rhs';
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   798
  in
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   799
    thy
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   800
    |> Sign.add_notation prmode [(Const (c', ty'), syn)]
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   801
    |> register_abbrev class c'
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   802
  end;
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   803
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   804
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   805
(* interpretation in class target *)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   806
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   807
local
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   808
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   809
fun gen_interpretation_in_class prep_class do_proof (raw_class, raw_superclass) theory =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   810
  let
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   811
    val class = prep_class theory raw_class;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   812
    val superclass = prep_class theory raw_superclass;
24657
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   813
    val loc_name = (#locale o the_class_data theory) class;
185502d54c3d fixed wrong syntax treatment in class target
haftmann
parents: 24589
diff changeset
   814
    val loc_expr = (Locale.Locale o #locale o the_class_data theory) superclass;
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   815
    fun prove_classrel (class, superclass) thy =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   816
      let
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24707
diff changeset
   817
        val classes = Sign.complete_sort thy [superclass]
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   818
          |> filter_out (fn class' => Sign.subsort thy ([class], [class']));
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   819
        fun instance_subclass (class1, class2) thy  =
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   820
          let
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   821
            val interp = interpretation_in_rule thy (class1, class2);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   822
            val ax = #axioms (AxClass.get_definition thy class1);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   823
            val intro = #intro (AxClass.get_definition thy class2)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   824
              |> Drule.instantiate' [SOME (Thm.ctyp_of thy
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   825
                  (TVar ((Name.aT, 0), [class1])))] [];
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24707
diff changeset
   826
            val thm =
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   827
              intro
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   828
              |> OF_LAST (interp OF ax)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   829
              |> strip_all_ofclass thy (Sign.super_classes thy class2);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   830
          in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   831
            thy |> AxClass.add_classrel thm
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   832
          end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   833
      in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   834
        thy |> fold_rev (curry instance_subclass class) classes
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   835
      end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   836
  in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   837
    theory
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   838
    |> do_proof (prove_classrel (class, superclass)) (loc_name, loc_expr)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   839
  end;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   840
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   841
in
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   842
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   843
val interpretation_in_class = gen_interpretation_in_class Sign.certify_class
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   844
  (Locale.interpretation_in_locale o ProofContext.theory);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   845
val interpretation_in_class_cmd = gen_interpretation_in_class Sign.read_class
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   846
  (Locale.interpretation_in_locale o ProofContext.theory);
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   847
val prove_interpretation_in_class = gen_interpretation_in_class Sign.certify_class
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   848
  o prove_interpretation_in;
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   849
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   850
end; (*local*)
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   851
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   852
end;