src/Pure/axclass.ML
author haftmann
Sat, 17 Jan 2009 08:29:19 +0100
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child 29579 cb520b766e00
permissions -rw-r--r--
close derivation of classrels
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(*  Title:      Pure/axclass.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Type classes defined as predicates, associated with a record of
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parameters.
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*)
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signature AX_CLASS =
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sig
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  val define_class: bstring * class list -> string list ->
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    ((Binding.T * attribute list) * term list) list -> theory -> class * theory
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  val add_classrel: thm -> theory -> theory
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  val add_arity: thm -> theory -> theory
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  val prove_classrel: class * class -> tactic -> theory -> theory
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  val prove_arity: string * sort list * sort -> tactic -> theory -> theory
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  val get_info: theory -> class ->
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    {def: thm, intro: thm, axioms: thm list, params: (string * typ) list}
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  val class_intros: theory -> thm list
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  val class_of_param: theory -> string -> class option
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  val cert_classrel: theory -> class * class -> class * class
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  val read_classrel: theory -> xstring * xstring -> class * class
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  val axiomatize_class: bstring * class list -> theory -> theory
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  val axiomatize_class_cmd: bstring * xstring list -> theory -> theory
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  val axiomatize_classrel: (class * class) list -> theory -> theory
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  val axiomatize_classrel_cmd: (xstring * xstring) list -> theory -> theory
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  val axiomatize_arity: arity -> theory -> theory
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  val axiomatize_arity_cmd: xstring * string list * string -> theory -> theory
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  val instance_name: string * class -> string
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  val declare_overloaded: string * typ -> theory -> term * theory
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  val define_overloaded: string -> string * term -> theory -> thm * theory
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  val inst_tyco_of: theory -> string * typ -> string option
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  val unoverload: theory -> thm -> thm
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  val overload: theory -> thm -> thm
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  val unoverload_conv: theory -> conv
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  val overload_conv: theory -> conv
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  val unoverload_const: theory -> string * typ -> string
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  val param_of_inst: theory -> string * string -> string
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  val inst_of_param: theory -> string -> (string * string) option
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  val arity_property: theory -> class * string -> string -> string list
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  type cache
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  val of_sort: theory -> typ * sort -> cache -> thm list * cache  (*exception Sorts.CLASS_ERROR*)
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  val cache: cache
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  val introN: string
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  val axiomsN: string
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end;
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structure AxClass: AX_CLASS =
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struct
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(** theory data **)
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(* class parameters (canonical order) *)
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type param = string * class;
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fun add_param pp ((x, c): param) params =
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  (case AList.lookup (op =) params x of
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    NONE => (x, c) :: params
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  | SOME c' => error ("Duplicate class parameter " ^ quote x ^
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      " for " ^ Pretty.string_of_sort pp [c] ^
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      (if c = c' then "" else " and " ^ Pretty.string_of_sort pp [c'])));
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fun merge_params _ ([], qs) = qs
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  | merge_params pp (ps, qs) =
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      fold_rev (fn q => if member (op =) ps q then I else add_param pp q) qs ps;
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(* axclasses *)
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val introN = "intro";
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val superN = "super";
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val axiomsN = "axioms";
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datatype axclass = AxClass of
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 {def: thm,
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  intro: thm,
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  axioms: thm list,
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  params: (string * typ) list};
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type axclasses = axclass Symtab.table * param list;
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fun make_axclass ((def, intro, axioms), params) = AxClass
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  {def = def, intro = intro, axioms = axioms, params = params};
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fun merge_axclasses pp ((tab1, params1), (tab2, params2)) : axclasses =
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  (Symtab.merge (K true) (tab1, tab2), merge_params pp (params1, params2));
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(* instances *)
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val classrel_prefix = "classrel_";
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val arity_prefix = "arity_";
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type instances =
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  ((class * class) * thm) list *
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  ((class * sort list) * thm) list Symtab.table;
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fun merge_instances ((classrel1, arities1): instances, (classrel2, arities2)) =
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 (merge (eq_fst op =) (classrel1, classrel2),
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  Symtab.join (K (merge (eq_fst op =))) (arities1, arities2));
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(* instance parameters *)
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type inst_params =
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  (string * thm) Symtab.table Symtab.table
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    (*constant name ~> type constructor ~> (constant name, equation)*)
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  * (string * string) Symtab.table; (*constant name ~> (constant name, type constructor)*)
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fun merge_inst_params ((const_param1, param_const1), (const_param2, param_const2)) =
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  (Symtab.join  (K (Symtab.merge (K true))) (const_param1, const_param2),
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    Symtab.merge (K true) (param_const1, param_const2));
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(* setup data *)
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structure AxClassData = TheoryDataFun
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(
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  type T = axclasses * (instances * inst_params);
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  val empty = ((Symtab.empty, []), (([], Symtab.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 pp ((axclasses1, (instances1, inst_params1)), (axclasses2, (instances2, inst_params2))) =
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    (merge_axclasses pp (axclasses1, axclasses2),
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      (merge_instances (instances1, instances2), merge_inst_params (inst_params1, inst_params2)));
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);
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(* maintain axclasses *)
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val get_axclasses = #1 o AxClassData.get;
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val map_axclasses = AxClassData.map o apfst;
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val lookup_def = Symtab.lookup o #1 o get_axclasses;
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fun get_info thy c =
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  (case lookup_def thy c of
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    SOME (AxClass info) => info
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  | NONE => error ("No such axclass: " ^ quote c));
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fun class_intros thy =
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  let
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    fun add_intro c =
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      (case lookup_def thy c of SOME (AxClass {intro, ...}) => cons intro | _ => I);
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    val classes = Sign.all_classes thy;
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  in map (Thm.class_triv thy) classes @ fold add_intro classes [] end;
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fun get_params thy pred =
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  let val params = #2 (get_axclasses thy);
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  in fold (fn (x, c) => if pred c then cons x else I) params [] end;
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fun params_of thy c = get_params thy (fn c' => c' = c);
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fun all_params_of thy S = get_params thy (fn c => Sign.subsort thy (S, [c]));
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fun class_of_param thy = AList.lookup (op =) (#2 (get_axclasses thy));
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(* maintain instances *)
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fun instance_name (a, c) = NameSpace.base c ^ "_" ^ NameSpace.base a;
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val get_instances = #1 o #2 o AxClassData.get;
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val map_instances = AxClassData.map o apsnd o apfst;
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fun the_classrel thy (c1, c2) =
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  (case AList.lookup (op =) (#1 (get_instances thy)) (c1, c2) of
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    SOME th => Thm.transfer thy th
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  | NONE => error ("Unproven class relation " ^
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      Syntax.string_of_classrel (ProofContext.init thy) [c1, c2]));
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fun put_classrel arg = map_instances (fn (classrel, arities) =>
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  (insert (eq_fst op =) arg classrel, arities));
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fun the_arity thy a (c, Ss) =
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  (case AList.lookup (op =) (Symtab.lookup_list (#2 (get_instances thy)) a) (c, Ss) of
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    SOME th => Thm.transfer thy th
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  | NONE => error ("Unproven type arity " ^
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      Syntax.string_of_arity (ProofContext.init thy) (a, Ss, [c])));
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fun arity_property thy (c, a) x =
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  Symtab.lookup_list (snd (get_instances thy)) a
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  |> map_filter (fn ((c', _), th) => if c = c'
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      then AList.lookup (op =) (Thm.get_tags th) x else NONE)
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  |> rev;
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fun insert_arity_completions thy (t, ((c, Ss), th)) arities =
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  let
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    val algebra = Sign.classes_of thy;
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    val super_class_completions = Sign.super_classes thy c
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      |> filter_out (fn c1 => exists (fn ((c2, Ss2), _) => c1 = c2
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          andalso Sorts.sorts_le algebra (Ss2, Ss)) (Symtab.lookup_list arities t))
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    val tags = Thm.get_tags th;
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    val completions = map (fn c1 => (Sorts.weaken algebra
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      (fn (th, c2) => fn c3 => th RS the_classrel thy (c2, c3)) (th, c) c1
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        |> Thm.map_tags (K tags) |> Thm.close_derivation, c1)) super_class_completions;
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    val arities' = fold (fn (th1, c1) => Symtab.cons_list (t, ((c1, Ss), th1)))
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      completions arities;
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  in (completions, arities') end;
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fun put_arity ((t, Ss, c), th) thy =
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  let
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    val th' = (Thm.map_tags o AList.default (op =))
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      (Markup.theory_nameN, Context.theory_name thy) th;
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    val arity' = (t, ((c, Ss), th'));
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  in
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    thy
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    |> map_instances (fn (classrel, arities) => (classrel,
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      arities
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      |> Symtab.insert_list (eq_fst op =) arity'
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      |> insert_arity_completions thy arity'
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      |> snd))
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  end;
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fun complete_arities thy = 
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  let
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    val arities = snd (get_instances thy);
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    val (completions, arities') = arities
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      |> fold_map (insert_arity_completions thy) (Symtab.dest_list arities)
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      |>> flat;
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  in if null completions
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    then NONE
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    else SOME (thy |> map_instances (fn (classrel, _) => (classrel, arities')))
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  end;
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val _ = Context.>> (Context.map_theory (Theory.at_begin complete_arities));
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(* maintain instance parameters *)
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val get_inst_params = #2 o #2 o AxClassData.get;
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val map_inst_params = AxClassData.map o apsnd o apsnd;
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fun get_inst_param thy (c, tyco) =
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  (the o Symtab.lookup ((the o Symtab.lookup (fst (get_inst_params thy))) c)) tyco;
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fun add_inst_param (c, tyco) inst = (map_inst_params o apfst
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      o Symtab.map_default (c, Symtab.empty)) (Symtab.update_new (tyco, inst))
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  #> (map_inst_params o apsnd) (Symtab.update_new (fst inst, (c, tyco)));
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val inst_of_param = Symtab.lookup o snd o get_inst_params;
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val param_of_inst = fst oo get_inst_param;
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fun inst_thms thy = (Symtab.fold (Symtab.fold (cons o snd o snd) o snd) o fst)
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  (get_inst_params thy) [];
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fun inst_tyco_of thy = try (fst o dest_Type o the_single o Sign.const_typargs thy);
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fun unoverload thy = MetaSimplifier.simplify true (inst_thms thy);
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fun overload thy = MetaSimplifier.simplify true (map Thm.symmetric (inst_thms thy));
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fun unoverload_conv thy = MetaSimplifier.rewrite true (inst_thms thy);
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fun overload_conv thy = MetaSimplifier.rewrite true (map Thm.symmetric (inst_thms thy));
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fun unoverload_const thy (c_ty as (c, _)) =
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  case class_of_param thy c
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   of SOME class => (case inst_tyco_of thy c_ty
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       of SOME tyco => try (param_of_inst thy) (c, tyco) |> the_default c
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        | NONE => c)
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    | NONE => c;
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(** instances **)
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(* class relations *)
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fun cert_classrel thy raw_rel =
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  let
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    val string_of_sort = Syntax.string_of_sort_global thy;
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    val (c1, c2) = pairself (Sign.certify_class thy) raw_rel;
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    val _ = Sign.primitive_classrel (c1, c2) (Theory.copy thy);
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    val _ =
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      (case subtract (op =) (all_params_of thy [c1]) (all_params_of thy [c2]) of
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        [] => ()
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      | xs => raise TYPE ("Class " ^ string_of_sort [c1] ^ " lacks parameter(s) " ^
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          commas_quote xs ^ " of " ^ string_of_sort [c2], [], []));
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  in (c1, c2) end;
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fun read_classrel thy raw_rel =
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  cert_classrel thy (pairself (Sign.read_class thy) raw_rel)
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    handle TYPE (msg, _, _) => error msg;
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(* primitive rules *)
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fun add_classrel th thy =
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  let
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    fun err () = raise THM ("add_classrel: malformed class relation", 0, [th]);
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    val prop = Thm.plain_prop_of (Thm.transfer thy th);
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    val rel = Logic.dest_classrel prop handle TERM _ => err ();
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    val (c1, c2) = cert_classrel thy rel handle TYPE _ => err ();
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  in
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    thy
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    |> Sign.primitive_classrel (c1, c2)
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    |> put_classrel ((c1, c2), Thm.close_derivation (Drule.unconstrainTs th))
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    |> perhaps complete_arities
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  end;
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fun add_arity th thy =
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  let
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    fun err () = raise THM ("add_arity: malformed type arity", 0, [th]);
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    val prop = Thm.plain_prop_of (Thm.transfer thy th);
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    val (t, Ss, c) = Logic.dest_arity prop handle TERM _ => err ();
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   307
    val _ = map (Sign.certify_sort thy) Ss = Ss orelse err ();
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   308
    val _ = case filter_out (fn c => can (get_inst_param thy) (c, t)) (params_of thy c)
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   309
     of [] => ()
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   310
      | cs => Output.legacy_feature
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   311
          ("Missing specifications for overloaded parameters " ^ commas_quote cs)
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   312
    val th' = Drule.unconstrainTs th;
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   313
  in
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   314
    thy
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   315
    |> Sign.primitive_arity (t, Ss, [c])
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1d8456c5d53d tagged arities
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   316
    |> put_arity ((t, Ss, c), th')
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   317
  end;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
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   318
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
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parents:
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   319
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   320
(* tactical proofs *)
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   321
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   322
fun prove_classrel raw_rel tac thy =
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   323
  let
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   324
    val ctxt = ProofContext.init thy;
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   325
    val (c1, c2) = cert_classrel thy raw_rel;
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diff changeset
   326
    val th = Goal.prove ctxt [] []
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f48c4a3a34bc Goal.prove: context;
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diff changeset
   327
        (Logic.mk_classrel (c1, c2)) (fn _ => tac) handle ERROR msg =>
19243
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diff changeset
   328
      cat_error msg ("The error(s) above occurred while trying to prove class relation " ^
24920
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diff changeset
   329
        quote (Syntax.string_of_classrel ctxt [c1, c2]));
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   330
  in
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   331
    thy
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   332
    |> PureThy.add_thms [((prefix classrel_prefix (Logic.name_classrel (c1, c2)), th), [])]
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
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   333
    |-> (fn [th'] => add_classrel th')
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   334
  end;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
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parents:
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   335
19243
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   336
fun prove_arity raw_arity tac thy =
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   337
  let
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   338
    val ctxt = ProofContext.init thy;
19243
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diff changeset
   339
    val arity = Sign.cert_arity thy raw_arity;
20628
b15b6f05d145 Logic.name_classrel/arities;
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diff changeset
   340
    val names = map (prefix arity_prefix) (Logic.name_arities arity);
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diff changeset
   341
    val props = Logic.mk_arities arity;
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diff changeset
   342
    val ths = Goal.prove_multi ctxt [] [] props
21687
f689f729afab reorganized structure Goal vs. Tactic;
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parents: 21463
diff changeset
   343
      (fn _ => Goal.precise_conjunction_tac (length props) 1 THEN tac) handle ERROR msg =>
19243
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diff changeset
   344
        cat_error msg ("The error(s) above occurred while trying to prove type arity " ^
24920
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diff changeset
   345
          quote (Syntax.string_of_arity ctxt arity));
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
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   346
  in
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diff changeset
   347
    thy
20628
b15b6f05d145 Logic.name_classrel/arities;
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diff changeset
   348
    |> PureThy.add_thms (map (rpair []) (names ~~ ths))
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
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   349
    |-> fold add_arity
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   350
  end;
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   351
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
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diff changeset
   352
25597
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   353
(* instance parameters and overloaded definitions *)
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parents: 25486
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   354
34860182b250 moved instance parameter management from class.ML to axclass.ML
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diff changeset
   355
(* declaration and definition of instances of overloaded constants *)
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haftmann
parents: 25486
diff changeset
   356
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   357
fun declare_overloaded (c, T) thy =
34860182b250 moved instance parameter management from class.ML to axclass.ML
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diff changeset
   358
  let
25605
35a5f7f4b97b error handling for pathological cases
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parents: 25597
diff changeset
   359
    val class = case class_of_param thy c
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parents: 25597
diff changeset
   360
     of SOME class => class
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parents: 25597
diff changeset
   361
      | NONE => error ("Not a class parameter: " ^ quote c);
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haftmann
parents: 25597
diff changeset
   362
    val tyco = case inst_tyco_of thy (c, T)
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haftmann
parents: 25597
diff changeset
   363
     of SOME tyco => tyco
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haftmann
parents: 25597
diff changeset
   364
      | NONE => error ("Illegal type for instantiation of class parameter: "
26939
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26516
diff changeset
   365
        ^ quote (c ^ " :: " ^ Syntax.string_of_typ_global thy T));
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   366
    val name_inst = instance_name (tyco, class) ^ "_inst";
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   367
    val c' = NameSpace.base c ^ "_" ^ NameSpace.base tyco;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   368
    val T' = Type.strip_sorts T;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   369
  in
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haftmann
parents: 25486
diff changeset
   370
    thy
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   371
    |> Sign.sticky_prefix name_inst
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haftmann
parents: 25486
diff changeset
   372
    |> Sign.no_base_names
28965
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haftmann
parents: 28110
diff changeset
   373
    |> Sign.declare_const [] ((Binding.name c', T'), NoSyn)
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
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parents: 25486
diff changeset
   374
    |-> (fn const' as Const (c'', _) => Thm.add_def false true
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   375
          (Thm.def_name c', Logic.mk_equals (Const (c, T'), const'))
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   376
    #>> Thm.varifyT
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   377
    #-> (fn thm => add_inst_param (c, tyco) (c'', thm)
27865
27a8ad9612a3 moved basic thm operations from structure PureThy to Thm (cf. more_thm.ML);
wenzelm
parents: 27691
diff changeset
   378
    #> PureThy.add_thm ((c', thm), [Thm.kind_internal])
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   379
    #> snd
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   380
    #> Sign.restore_naming thy
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   381
    #> pair (Const (c, T))))
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   382
  end;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   383
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   384
fun define_overloaded name (c, t) thy =
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   385
  let
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   386
    val T = Term.fastype_of t;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   387
    val SOME tyco = inst_tyco_of thy (c, T);
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   388
    val (c', eq) = get_inst_param thy (c, tyco);
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   389
    val prop = Logic.mk_equals (Const (c', T), t);
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   390
    val name' = Thm.def_name_optional
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   391
      (NameSpace.base c ^ "_" ^ NameSpace.base tyco) name;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   392
  in
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   393
    thy
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   394
    |> Thm.add_def false false (name', prop)
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   395
    |>> (fn thm =>  Drule.transitive_thm OF [eq, thm])
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   396
  end;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   397
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25486
diff changeset
   398
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   399
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   400
(** class definitions **)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   401
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   402
fun split_defined n eq =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   403
  let
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   404
    val intro =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   405
      (eq RS Drule.equal_elim_rule2)
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   406
      |> Conjunction.curry_balanced n
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   407
      |> n = 0 ? Thm.eq_assumption 1;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   408
    val dests =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   409
      if n = 0 then []
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   410
      else
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   411
        (eq RS Drule.equal_elim_rule1)
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   412
        |> BalancedTree.dest (fn th =>
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   413
          (th RS Conjunction.conjunctionD1, th RS Conjunction.conjunctionD2)) n;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   414
  in (intro, dests) end;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   415
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   416
fun define_class (bclass, raw_super) raw_params raw_specs thy =
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   417
  let
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   418
    val ctxt = ProofContext.init thy;
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   419
    val pp = Syntax.pp ctxt;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   420
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   421
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   422
    (* class *)
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   423
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   424
    val bconst = Logic.const_of_class bclass;
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   425
    val class = Sign.full_bname thy bclass;
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24712
diff changeset
   426
    val super = Sign.minimize_sort thy (Sign.certify_sort thy raw_super);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   427
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   428
    fun check_constraint (a, S) =
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   429
      if Sign.subsort thy (super, S) then ()
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   430
      else error ("Sort constraint of type variable " ^
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   431
        setmp show_sorts true (Pretty.string_of_typ pp) (TFree (a, S)) ^
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   432
        " needs to be weaker than " ^ Pretty.string_of_sort pp super);
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   433
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   434
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   435
    (* params *)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   436
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   437
    val params = raw_params |> map (fn p =>
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   438
      let
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   439
        val T = Sign.the_const_type thy p;
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   440
        val _ =
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   441
          (case Term.add_tvarsT T [] of
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   442
            [((a, _), S)] => check_constraint (a, S)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   443
          | _ => error ("Exactly one type variable expected in class parameter " ^ quote p));
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   444
        val T' = Term.map_type_tvar (fn _ => TFree (Name.aT, [class])) T;
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   445
      in (p, T') end);
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   446
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   447
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   448
    (* axioms *)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   449
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   450
    fun prep_axiom t =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   451
      (case Term.add_tfrees t [] of
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   452
        [(a, S)] => check_constraint (a, S)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   453
      | [] => ()
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   454
      | _ => error ("Multiple type variables in class axiom:\n" ^ Pretty.string_of_term pp t);
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   455
      t
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   456
      |> Term.map_types (Term.map_atyps (fn TFree _ => Term.aT [] | U => U))
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   457
      |> Logic.close_form);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   458
24681
wenzelm
parents: 24589
diff changeset
   459
    val axiomss = map (map (prep_axiom o Sign.cert_prop thy) o snd) raw_specs;
22745
17bc6af2011e moved axclass module closer to core system
haftmann
parents: 22691
diff changeset
   460
    val name_atts = map fst raw_specs;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   461
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   462
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   463
    (* definition *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   464
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   465
    val conjs = map (curry Logic.mk_inclass (Term.aT [])) super @ flat axiomss;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   466
    val class_eq =
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   467
      Logic.mk_equals (Logic.mk_inclass (Term.aT [], class), Logic.mk_conjunction_balanced conjs);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   468
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   469
    val ([def], def_thy) =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   470
      thy
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   471
      |> Sign.primitive_class (bclass, super)
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   472
      |> PureThy.add_defs false [((Thm.def_name bconst, class_eq), [])];
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   473
    val (raw_intro, (raw_classrel, raw_axioms)) =
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   474
      split_defined (length conjs) def ||> chop (length super);
19392
a631cd2117a8 add_axclass(_i): return class name only;
wenzelm
parents: 19243
diff changeset
   475
19418
03b01c9314fc reworded add_axclass(_i): canonical specification format,
wenzelm
parents: 19405
diff changeset
   476
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   477
    (* facts *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   478
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   479
    val class_triv = Thm.class_triv def_thy class;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   480
    val ([(_, [intro]), (_, classrel), (_, axioms)], facts_thy) =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   481
      def_thy
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   482
      |> Sign.add_path bconst
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   483
      |> Sign.no_base_names
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   484
      |> PureThy.note_thmss ""
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   485
        [((Binding.name introN, []), [([Drule.standard raw_intro], [])]),
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   486
         ((Binding.name superN, []), [(map Drule.standard raw_classrel, [])]),
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   487
         ((Binding.name axiomsN, []),
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 28014
diff changeset
   488
           [(map (fn th => Drule.standard (class_triv RS th)) raw_axioms, [])])]
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   489
      ||> Sign.restore_naming def_thy;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   490
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24770
diff changeset
   491
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   492
    (* result *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   493
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   494
    val axclass = make_axclass ((def, intro, axioms), params);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   495
    val result_thy =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   496
      facts_thy
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   497
      |> fold put_classrel (map (pair class) super ~~ classrel)
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   498
      |> Sign.add_path bconst
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   499
      |> PureThy.note_thmss "" (name_atts ~~ map Thm.simple_fact (unflat axiomss axioms)) |> snd
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   500
      |> Sign.restore_naming facts_thy
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   501
      |> map_axclasses (fn (axclasses, parameters) =>
21919
b142e6506469 tuned msg;
wenzelm
parents: 21913
diff changeset
   502
        (Symtab.update (class, axclass) axclasses,
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   503
          fold (fn (x, _) => add_param pp (x, class)) params parameters));
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   504
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   505
  in (class, result_thy) end;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   506
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   507
19531
wenzelm
parents: 19528
diff changeset
   508
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   509
(** axiomatizations **)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   510
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   511
local
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   512
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   513
fun axiomatize prep mk name add raw_args thy =
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   514
  let
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   515
    val args = prep thy raw_args;
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   516
    val specs = mk args;
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   517
    val names = name args;
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   518
  in thy |> PureThy.add_axioms (map (rpair []) (names ~~ specs)) |-> fold add end;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   519
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   520
fun ax_classrel prep =
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   521
  axiomatize (map o prep) (map Logic.mk_classrel)
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   522
    (map (prefix classrel_prefix o Logic.name_classrel)) add_classrel;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   523
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   524
fun ax_arity prep =
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   525
  axiomatize prep Logic.mk_arities
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   526
    (map (prefix arity_prefix) o Logic.name_arities) add_arity;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   527
19706
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   528
fun class_const c =
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   529
  (Logic.const_of_class c, Term.itselfT (Term.aT []) --> propT);
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   530
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   531
fun ax_class prep_class prep_classrel (bclass, raw_super) thy =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   532
  let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   533
    val class = Sign.full_bname thy bclass;
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24712
diff changeset
   534
    val super = map (prep_class thy) raw_super |> Sign.minimize_sort thy;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   535
  in
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   536
    thy
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   537
    |> Sign.primitive_class (bclass, super)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   538
    |> ax_classrel prep_classrel (map (fn c => (class, c)) super)
19706
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   539
    |> Theory.add_deps "" (class_const class) (map class_const super)
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   540
  end;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   541
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   542
in
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   543
24929
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   544
val axiomatize_class = ax_class Sign.certify_class cert_classrel;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   545
val axiomatize_class_cmd = ax_class Sign.read_class read_classrel;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   546
val axiomatize_classrel = ax_classrel cert_classrel;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   547
val axiomatize_classrel_cmd = ax_classrel read_classrel;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   548
val axiomatize_arity = ax_arity Sign.cert_arity;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   549
val axiomatize_arity_cmd = ax_arity Sign.read_arity;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   550
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   551
end;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   552
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   553
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   554
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   555
(** explicit derivations -- cached **)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   556
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   557
datatype cache = Types of (class * thm) list Typtab.table;
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   558
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   559
local
19503
10921826b160 instances data: mutable cache;
wenzelm
parents: 19482
diff changeset
   560
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   561
fun lookup_type (Types cache) = AList.lookup (op =) o Typtab.lookup_list cache;
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   562
fun insert_type T der (Types cache) = Types (Typtab.insert_list (eq_fst op =) (T, der) cache);
19503
10921826b160 instances data: mutable cache;
wenzelm
parents: 19482
diff changeset
   563
19522
a4c790594737 of_sort: simplified derivation;
wenzelm
parents: 19511
diff changeset
   564
fun derive_type _ (_, []) = []
a4c790594737 of_sort: simplified derivation;
wenzelm
parents: 19511
diff changeset
   565
  | derive_type thy (typ, sort) =
a4c790594737 of_sort: simplified derivation;
wenzelm
parents: 19511
diff changeset
   566
      let
19528
7fbac32cded0 of_sort: option;
wenzelm
parents: 19522
diff changeset
   567
        val vars = Term.fold_atyps
19522
a4c790594737 of_sort: simplified derivation;
wenzelm
parents: 19511
diff changeset
   568
            (fn T as TFree (_, S) => insert (eq_fst op =) (T, S)
a4c790594737 of_sort: simplified derivation;
wenzelm
parents: 19511
diff changeset
   569
              | T as TVar (_, S) => insert (eq_fst op =) (T, S)
19528
7fbac32cded0 of_sort: option;
wenzelm
parents: 19522
diff changeset
   570
              | _ => I) typ [];
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   571
        val hyps = vars
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   572
          |> map (fn (T, S) => (T, Drule.sort_triv thy (T, S) ~~ S));
26939
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26516
diff changeset
   573
        val ths = (typ, sort)
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26516
diff changeset
   574
          |> Sorts.of_sort_derivation (Syntax.pp_global thy) (Sign.classes_of thy)
22570
f166a5416b3f renamed of_sort_derivation record fields (avoid clash with Alice keywords);
wenzelm
parents: 22385
diff changeset
   575
           {class_relation =
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   576
              fn (th, c1) => fn c2 => th RS the_classrel thy (c1, c2),
22570
f166a5416b3f renamed of_sort_derivation record fields (avoid clash with Alice keywords);
wenzelm
parents: 22385
diff changeset
   577
            type_constructor =
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   578
              fn a => fn dom => fn c =>
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   579
                let val Ss = map (map snd) dom and ths = maps (map fst) dom
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   580
                in ths MRS the_arity thy a (c, Ss) end,
22570
f166a5416b3f renamed of_sort_derivation record fields (avoid clash with Alice keywords);
wenzelm
parents: 22385
diff changeset
   581
            type_variable =
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   582
              the_default [] o AList.lookup (op =) hyps};
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   583
      in ths end;
19503
10921826b160 instances data: mutable cache;
wenzelm
parents: 19482
diff changeset
   584
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   585
in
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   586
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   587
fun of_sort thy (typ, sort) cache =
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   588
  let
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   589
    val sort' = filter (is_none o lookup_type cache typ) sort;
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   590
    val ths' = derive_type thy (typ, sort')
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   591
      handle ERROR msg => cat_error msg ("The error(s) above occurred for sort derivation: " ^
26939
1035c89b4c02 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26516
diff changeset
   592
        Syntax.string_of_typ_global thy typ ^ " :: " ^ Syntax.string_of_sort_global thy sort');
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   593
    val cache' = cache |> fold (insert_type typ) (sort' ~~ ths');
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   594
    val ths =
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   595
      sort |> map (fn c =>
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   596
        Goal.finish (the (lookup_type cache' typ c) RS
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   597
          Goal.init (Thm.cterm_of thy (Logic.mk_inclass (typ, c))))
20260
990dbc007ca6 Thm.adjust_maxidx;
wenzelm
parents: 20107
diff changeset
   598
        |> Thm.adjust_maxidx_thm ~1);
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   599
  in (ths, cache') end;
19503
10921826b160 instances data: mutable cache;
wenzelm
parents: 19482
diff changeset
   600
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   601
end;
19418
03b01c9314fc reworded add_axclass(_i): canonical specification format,
wenzelm
parents: 19405
diff changeset
   602
24929
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   603
val cache = Types Typtab.empty;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   604
15876
a67343c6ab2a sane interfaces for tactical instance proofs (do not expand defs of theory, proper handling of sort instances);
wenzelm
parents: 15853
diff changeset
   605
end;