src/Pure/axclass.ML
author wenzelm
Thu, 25 Mar 2010 21:27:04 +0100
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parent 35960 536c07a2a0bc
child 36106 19deea200358
permissions -rw-r--r--
Sorts.of_sort_derivation: do not use slow Graph.irreducible_paths here, which not always needed (SUBTLE CHANGE IN SEMANTICS); officially export weaken as Sorts.classrel_derivation; tuned comments;
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(*  Title:      Pure/axclass.ML
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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: binding * class list -> string list ->
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    (Thm.binding * 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: binding * class list -> theory -> theory
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  val axiomatize_class_cmd: binding * 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: binding -> string * term -> theory -> thm * theory
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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 lookup_inst_param: Consts.T -> ((string * string) * 'a) list -> string * typ -> 'a option
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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 thynames_of_arity: theory -> class * string -> string list
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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 *  (*classrel theorems*)
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  ((class * sort list) * (thm * string)) list Symtab.table;  (*arity theorems with theory name*)
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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 = Theory_Data_PP
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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 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 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) = Long_Name.base_name c ^ "_" ^ Long_Name.base_name 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 thynames_of_arity thy (c, a) =
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  Symtab.lookup_list (#2 (get_instances thy)) a
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  |> map_filter (fn ((c', _), (_, name)) => if c = c' then SOME name else NONE)
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  |> rev;
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fun insert_arity_completions thy (t, ((c, Ss), (th, thy_name))) arities =
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  let
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    val algebra = Sign.classes_of thy;
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    val super_class_completions =
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      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 completions = map (fn c1 => (Sorts.classrel_derivation 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.close_derivation, c1)) super_class_completions;
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    val arities' = fold (fn (th1, c1) => Symtab.cons_list (t, ((c1, Ss), (th1, thy_name))))
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      completions arities;
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  in (null 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 arity' = (t, ((c, Ss), (th, Context.theory_name thy)));
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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 (finished, arities') = arities
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      |> fold_map (insert_arity_completions thy) (Symtab.dest_list arities);
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  in
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    if forall I finished 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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  case Symtab.lookup ((the_default Symtab.empty o Symtab.lookup (fst (get_inst_params thy))) c) tyco
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   of SOME c' => c'
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    | NONE => error ("No instance parameter for constant " ^ quote c
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        ^ " on type constructor " ^ quote 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 get_inst_tyco consts = try (fst o dest_Type o the_single o Consts.typargs consts);
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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 lookup_inst_param consts params (c, T) = case get_inst_tyco consts (c, T)
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 of SOME tyco => AList.lookup (op =) params (c, tyco)
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  | NONE => NONE;
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fun unoverload_const thy (c_ty as (c, _)) =
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  if is_some (class_of_param thy c)
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  then case get_inst_tyco (Sign.consts_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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  else 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 (ProofContext.read_class (ProofContext.init thy)) raw_rel)
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    handle TYPE (msg, _, _) => error msg;
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(* declaration and definition of instances of overloaded constants *)
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fun inst_tyco_of thy (c, T) =
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  (case get_inst_tyco (Sign.consts_of thy) (c, T) of
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    SOME tyco => tyco
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  | NONE => error ("Illegal type for instantiation of class parameter: " ^
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      quote (c ^ " :: " ^ Syntax.string_of_typ_global thy T)));
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fun declare_overloaded (c, T) thy =
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  let
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    val class =
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      (case class_of_param thy c of
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        SOME class => class
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      | NONE => error ("Not a class parameter: " ^ quote c));
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    val tyco = inst_tyco_of thy (c, T);
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    val name_inst = instance_name (tyco, class) ^ "_inst";
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577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
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    val c' = Long_Name.base_name c ^ "_" ^ Long_Name.base_name tyco;
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   301
    val T' = Type.strip_sorts T;
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   302
  in
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    thy
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    |> Sign.qualified_path true (Binding.name name_inst)
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   305
    |> Sign.declare_const ((Binding.name c', T'), NoSyn)
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   306
    |-> (fn const' as Const (c'', _) =>
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   307
      Thm.add_def false true
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   308
        (Binding.name (Thm.def_name c'), Logic.mk_equals (Const (c, T'), const'))
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e5980f0ad025 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
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   309
      #>> Thm.varifyT_global
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   310
      #-> (fn thm => add_inst_param (c, tyco) (c'', thm)
33315
784c1b09d485 eliminated obsolete/unused Thm.kind_internal/is_internal etc.;
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      #> PureThy.add_thm ((Binding.conceal (Binding.name c'), thm), [])
30344
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      #> snd
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   313
      #> pair (Const (c, T))))
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   314
    ||> Sign.restore_naming thy
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   315
  end;
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   316
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   317
fun define_overloaded b (c, t) thy =
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   318
  let
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   319
    val T = Term.fastype_of t;
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d51d2a22a4f9 tuned class user space type system code
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   320
    val tyco = inst_tyco_of thy (c, T);
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diff changeset
   321
    val (c', eq) = get_inst_param thy (c, tyco);
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   322
    val prop = Logic.mk_equals (Const (c', T), t);
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   323
    val b' = Thm.def_binding_optional
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diff changeset
   324
      (Binding.name (Long_Name.base_name c ^ "_" ^ Long_Name.base_name tyco)) b;
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diff changeset
   325
  in
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diff changeset
   326
    thy
30519
c05c0199826f coherent binding policy with primitive target operations
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diff changeset
   327
    |> Thm.add_def false false (b', prop)
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diff changeset
   328
    |>> (fn thm =>  Drule.transitive_thm OF [eq, thm])
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haftmann
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diff changeset
   329
  end;
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diff changeset
   330
34860182b250 moved instance parameter management from class.ML to axclass.ML
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diff changeset
   331
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   332
(* primitive rules *)
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   333
31948
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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   334
fun add_classrel raw_th thy =
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   335
  let
31948
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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diff changeset
   336
    val th = Thm.strip_shyps (Thm.transfer thy raw_th);
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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   337
    val prop = Thm.plain_prop_of th;
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   338
    fun err () = raise THM ("add_classrel: malformed class relation", 0, [th]);
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   339
    val rel = Logic.dest_classrel prop handle TERM _ => err ();
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   340
    val (c1, c2) = cert_classrel thy rel handle TYPE _ => err ();
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   341
  in
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   342
    thy
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   343
    |> Sign.primitive_classrel (c1, c2)
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   344
    |> put_classrel ((c1, c2), Thm.close_derivation (Drule.unconstrainTs th))
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   345
    |> perhaps complete_arities
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diff changeset
   346
  end;
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diff changeset
   347
31948
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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diff changeset
   348
fun add_arity raw_th thy =
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   349
  let
31948
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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diff changeset
   350
    val th = Thm.strip_shyps (Thm.transfer thy raw_th);
ea8c8bf47ce3 add_classrel/arity: strip_shyps of stored result;
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   351
    val prop = Thm.plain_prop_of th;
30951
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diff changeset
   352
    fun err () = raise THM ("add_arity: malformed type arity", 0, [th]);
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diff changeset
   353
    val (t, Ss, c) = Logic.dest_arity prop handle TERM _ => err ();
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diff changeset
   354
    val T = Type (t, map TFree (Name.names Name.context Name.aT Ss));
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parents: 30519
diff changeset
   355
    val missing_params = Sign.complete_sort thy [c]
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parents: 30519
diff changeset
   356
      |> maps (these o Option.map #params o try (get_info thy))
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diff changeset
   357
      |> filter_out (fn (const, _) => can (get_inst_param thy) (const, t))
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parents: 30519
diff changeset
   358
      |> (map o apsnd o map_atyps) (K T);
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parents: 30519
diff changeset
   359
    val _ = map (Sign.certify_sort thy) Ss = Ss orelse err ();
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diff changeset
   360
  in
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diff changeset
   361
    thy
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diff changeset
   362
    |> fold (snd oo declare_overloaded) missing_params
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haftmann
parents: 30519
diff changeset
   363
    |> Sign.primitive_arity (t, Ss, [c])
33065
1cefea81ec4f explicit close_derivation
haftmann
parents: 32966
diff changeset
   364
    |> put_arity ((t, Ss, c), Thm.close_derivation (Drule.unconstrainTs th))
30951
a6e26a248f03 formal declaration of undefined parameters after class instantiation
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diff changeset
   365
  end;
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parents: 30519
diff changeset
   366
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diff changeset
   367
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diff changeset
   368
(* tactical proofs *)
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diff changeset
   369
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   370
fun prove_classrel raw_rel tac thy =
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diff changeset
   371
  let
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diff changeset
   372
    val ctxt = ProofContext.init thy;
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diff changeset
   373
    val (c1, c2) = cert_classrel thy raw_rel;
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diff changeset
   374
    val th = Goal.prove ctxt [] [] (Logic.mk_classrel (c1, c2)) (K tac) handle ERROR msg =>
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parents: 30519
diff changeset
   375
      cat_error msg ("The error(s) above occurred while trying to prove class relation " ^
a6e26a248f03 formal declaration of undefined parameters after class instantiation
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parents: 30519
diff changeset
   376
        quote (Syntax.string_of_classrel ctxt [c1, c2]));
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haftmann
parents: 30519
diff changeset
   377
  in
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parents: 30519
diff changeset
   378
    thy
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diff changeset
   379
    |> PureThy.add_thms [((Binding.name
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haftmann
parents: 30519
diff changeset
   380
        (prefix classrel_prefix (Logic.name_classrel (c1, c2))), th), [])]
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parents: 30519
diff changeset
   381
    |-> (fn [th'] => add_classrel th')
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haftmann
parents: 30519
diff changeset
   382
  end;
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haftmann
parents: 30519
diff changeset
   383
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haftmann
parents: 30519
diff changeset
   384
fun prove_arity raw_arity tac thy =
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haftmann
parents: 30519
diff changeset
   385
  let
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haftmann
parents: 30519
diff changeset
   386
    val ctxt = ProofContext.init thy;
35669
a91c7ed801b8 added ProofContext.tsig_of -- proforma version for local name space only, not logical content;
wenzelm
parents: 35238
diff changeset
   387
    val arity = ProofContext.cert_arity ctxt raw_arity;
30951
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   388
    val names = map (prefix arity_prefix) (Logic.name_arities arity);
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haftmann
parents: 30519
diff changeset
   389
    val props = Logic.mk_arities arity;
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haftmann
parents: 30519
diff changeset
   390
    val ths = Goal.prove_multi ctxt [] [] props
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haftmann
parents: 30519
diff changeset
   391
      (fn _ => Goal.precise_conjunction_tac (length props) 1 THEN tac) handle ERROR msg =>
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   392
        cat_error msg ("The error(s) above occurred while trying to prove type arity " ^
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   393
          quote (Syntax.string_of_arity ctxt arity));
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   394
  in
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   395
    thy
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   396
    |> PureThy.add_thms (map (rpair []) (map Binding.name names ~~ ths))
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   397
    |-> fold add_arity
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   398
  end;
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   399
a6e26a248f03 formal declaration of undefined parameters after class instantiation
haftmann
parents: 30519
diff changeset
   400
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   401
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   402
(** class definitions **)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   403
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   404
fun split_defined n eq =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   405
  let
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   406
    val intro =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   407
      (eq RS Drule.equal_elim_rule2)
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   408
      |> Conjunction.curry_balanced n
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   409
      |> n = 0 ? Thm.eq_assumption 1;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   410
    val dests =
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   411
      if n = 0 then []
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   412
      else
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   413
        (eq RS Drule.equal_elim_rule1)
32765
3032c0308019 modernized Balanced_Tree;
wenzelm
parents: 32197
diff changeset
   414
        |> Balanced_Tree.dest (fn th =>
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   415
          (th RS Conjunction.conjunctionD1, th RS Conjunction.conjunctionD2)) n;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   416
  in (intro, dests) end;
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   417
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   418
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
   419
  let
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   420
    val ctxt = ProofContext.init thy;
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   421
    val pp = Syntax.pp ctxt;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   422
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   423
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   424
    (* class *)
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   425
30344
10a67c5ddddb more uniform handling of binding in targets and derived elements;
wenzelm
parents: 30280
diff changeset
   426
    val bconst = Binding.map_name Logic.const_of_class bclass;
10a67c5ddddb more uniform handling of binding in targets and derived elements;
wenzelm
parents: 30280
diff changeset
   427
    val class = Sign.full_name thy bclass;
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24712
diff changeset
   428
    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
   429
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   430
    fun check_constraint (a, S) =
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   431
      if Sign.subsort thy (super, S) then ()
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   432
      else error ("Sort constraint of type variable " ^
32966
5b21661fe618 indicate CRITICAL nature of various setmp combinators;
wenzelm
parents: 32791
diff changeset
   433
        setmp_CRITICAL show_sorts true (Pretty.string_of_typ pp) (TFree (a, S)) ^
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   434
        " 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
   435
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
    (* params *)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   438
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   439
    val params = raw_params |> map (fn p =>
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   440
      let
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   441
        val T = Sign.the_const_type thy p;
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   442
        val _ =
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   443
          (case Term.add_tvarsT T [] of
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   444
            [((a, _), S)] => check_constraint (a, S)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   445
          | _ => 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
   446
        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
   447
      in (p, T') end);
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   448
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   449
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   450
    (* axioms *)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   451
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   452
    fun prep_axiom t =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   453
      (case Term.add_tfrees t [] of
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   454
        [(a, S)] => check_constraint (a, S)
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   455
      | [] => ()
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   456
      | _ => 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
   457
      t
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   458
      |> 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
   459
      |> Logic.close_form);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   460
24681
wenzelm
parents: 24589
diff changeset
   461
    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
   462
    val name_atts = map fst raw_specs;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   463
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
    (* definition *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   466
35854
d452abc96459 Logic.mk_of_sort convenience;
wenzelm
parents: 35845
diff changeset
   467
    val conjs = Logic.mk_of_sort (Term.aT [], super) @ flat axiomss;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   468
    val class_eq =
31943
5e960a0780a2 renamed inclass/Inclass to of_class/OfClass, in accordance to of_sort;
wenzelm
parents: 31904
diff changeset
   469
      Logic.mk_equals (Logic.mk_of_class (Term.aT [], class), Logic.mk_conjunction_balanced conjs);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   470
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   471
    val ([def], def_thy) =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   472
      thy
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   473
      |> Sign.primitive_class (bclass, super)
35238
18ae6ef02fe0 Thm.def_binding;
wenzelm
parents: 35201
diff changeset
   474
      |> PureThy.add_defs false [((Thm.def_binding bconst, class_eq), [])];
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   475
    val (raw_intro, (raw_classrel, raw_axioms)) =
23421
c9007fc4a646 balanced conjunctions;
wenzelm
parents: 22846
diff changeset
   476
      split_defined (length conjs) def ||> chop (length super);
19392
a631cd2117a8 add_axclass(_i): return class name only;
wenzelm
parents: 19243
diff changeset
   477
19418
03b01c9314fc reworded add_axclass(_i): canonical specification format,
wenzelm
parents: 19405
diff changeset
   478
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   479
    (* facts *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   480
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   481
    val class_triv = Thm.class_triv def_thy class;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   482
    val ([(_, [intro]), (_, classrel), (_, axioms)], facts_thy) =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   483
      def_thy
35201
c2ddb9395436 axclass: more precise treatment of naming vs. binding;
wenzelm
parents: 35021
diff changeset
   484
      |> Sign.qualified_path true bconst
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   485
      |> PureThy.note_thmss ""
35021
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34259
diff changeset
   486
        [((Binding.name introN, []), [([Drule.export_without_context raw_intro], [])]),
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34259
diff changeset
   487
         ((Binding.name superN, []), [(map Drule.export_without_context raw_classrel, [])]),
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28110
diff changeset
   488
         ((Binding.name axiomsN, []),
35021
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34259
diff changeset
   489
           [(map (fn th => Drule.export_without_context (class_triv RS th)) raw_axioms, [])])]
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   490
      ||> Sign.restore_naming def_thy;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   491
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24770
diff changeset
   492
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   493
    (* result *)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   494
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   495
    val axclass = make_axclass ((def, intro, axioms), params);
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   496
    val result_thy =
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   497
      facts_thy
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   498
      |> fold put_classrel (map (pair class) super ~~ classrel)
35201
c2ddb9395436 axclass: more precise treatment of naming vs. binding;
wenzelm
parents: 35021
diff changeset
   499
      |> Sign.qualified_path false bconst
27691
ce171cbd4b93 PureThy: dropped note_thmss_qualified, dropped _i suffix
haftmann
parents: 27683
diff changeset
   500
      |> 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
   501
      |> Sign.restore_naming facts_thy
19574
7c761751e998 of_sort: explicit cache value;
wenzelm
parents: 19531
diff changeset
   502
      |> map_axclasses (fn (axclasses, parameters) =>
21919
b142e6506469 tuned msg;
wenzelm
parents: 21913
diff changeset
   503
        (Symtab.update (class, axclass) axclasses,
24964
526df61afe97 moved define_class_params to Isar/class.ML;
wenzelm
parents: 24929
diff changeset
   504
          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
   505
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   506
  in (class, result_thy) end;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   507
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   508
19531
wenzelm
parents: 19528
diff changeset
   509
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   510
(** axiomatizations **)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   512
local
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   513
35896
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   514
(* old-style axioms *)
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   515
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   516
fun add_axiom (b, prop) =
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   517
  Thm.add_axiom (b, prop) #->
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   518
  (fn thm => PureThy.add_thm ((b, Drule.export_without_context thm), []));
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   519
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   520
fun axiomatize prep mk name add raw_args thy =
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   521
  let
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   522
    val args = prep thy raw_args;
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   523
    val specs = mk args;
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   524
    val names = name args;
29579
cb520b766e00 binding replaces bstring
haftmann
parents: 29524
diff changeset
   525
  in
cb520b766e00 binding replaces bstring
haftmann
parents: 29524
diff changeset
   526
    thy
35896
487b267433b1 inlined version of old-style Drule.add_axioms -- Specification.axiom is not bootstrapped yet;
wenzelm
parents: 35856
diff changeset
   527
    |> fold_map add_axiom (map Binding.name names ~~ specs)
29579
cb520b766e00 binding replaces bstring
haftmann
parents: 29524
diff changeset
   528
    |-> fold add
cb520b766e00 binding replaces bstring
haftmann
parents: 29524
diff changeset
   529
  end;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   530
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   531
fun ax_classrel prep =
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   532
  axiomatize (map o prep) (map Logic.mk_classrel)
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   533
    (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
   534
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   535
fun ax_arity prep =
35669
a91c7ed801b8 added ProofContext.tsig_of -- proforma version for local name space only, not logical content;
wenzelm
parents: 35238
diff changeset
   536
  axiomatize (prep o ProofContext.init) Logic.mk_arities
20628
b15b6f05d145 Logic.name_classrel/arities;
wenzelm
parents: 20548
diff changeset
   537
    (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
   538
19706
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   539
fun class_const c =
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   540
  (Logic.const_of_class c, Term.itselfT (Term.aT []) --> propT);
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   541
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   542
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
   543
  let
30344
10a67c5ddddb more uniform handling of binding in targets and derived elements;
wenzelm
parents: 30280
diff changeset
   544
    val class = Sign.full_name thy bclass;
24731
c25aa6ae64ec Sign.minimize/complete_sort;
wenzelm
parents: 24712
diff changeset
   545
    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
   546
  in
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   547
    thy
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   548
    |> Sign.primitive_class (bclass, super)
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   549
    |> ax_classrel prep_classrel (map (fn c => (class, c)) super)
19706
246afe8852bc axiomatize class: Theory.add_deps;
wenzelm
parents: 19690
diff changeset
   550
    |> 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
   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
in
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   554
24929
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   555
val axiomatize_class = ax_class Sign.certify_class cert_classrel;
35669
a91c7ed801b8 added ProofContext.tsig_of -- proforma version for local name space only, not logical content;
wenzelm
parents: 35238
diff changeset
   556
val axiomatize_class_cmd = ax_class (ProofContext.read_class o ProofContext.init) read_classrel;
24929
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   557
val axiomatize_classrel = ax_classrel cert_classrel;
408becab067e renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents: 24920
diff changeset
   558
val axiomatize_classrel_cmd = ax_classrel read_classrel;
35669
a91c7ed801b8 added ProofContext.tsig_of -- proforma version for local name space only, not logical content;
wenzelm
parents: 35238
diff changeset
   559
val axiomatize_arity = ax_arity ProofContext.cert_arity;
a91c7ed801b8 added ProofContext.tsig_of -- proforma version for local name space only, not logical content;
wenzelm
parents: 35238
diff changeset
   560
val axiomatize_arity_cmd = ax_arity ProofContext.read_arity;
19511
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   561
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   562
end;
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   563
b4bd790f9373 renamed add_axclass(_i) to define_axclass(_i);
wenzelm
parents: 19503
diff changeset
   564
end;