src/Pure/Isar/class.ML
author haftmann
Sat, 31 May 2014 09:35:07 +0200
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(*  Title:      Pure/Isar/class.ML
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    Author:     Florian Haftmann, TU Muenchen
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Type classes derived from primitive axclasses and locales.
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*)
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signature CLASS =
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sig
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  (*classes*)
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  val is_class: theory -> class -> bool
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  val these_params: theory -> sort -> (string * (class * (string * typ))) list
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  val base_sort: theory -> class -> sort
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  val rules: theory -> class -> thm option * thm
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  val these_defs: theory -> sort -> thm list
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  val these_operations: theory -> sort
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    -> (string * (class * (typ * term))) list
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  val print_classes: Proof.context -> unit
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  val init: class -> theory -> Proof.context
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  val begin: class list -> sort -> Proof.context -> Proof.context
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  val const: class -> (binding * mixfix) * term -> term list * term list -> local_theory -> local_theory
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  val abbrev: class -> Syntax.mode -> (binding * mixfix) * term -> term -> local_theory -> local_theory
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  val redeclare_operations: theory -> sort -> Proof.context -> Proof.context
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  val class_prefix: string -> string
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  val register: class -> class list -> ((string * typ) * (string * typ)) list
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    -> sort -> morphism -> morphism -> thm option -> thm option -> thm
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    -> theory -> theory
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  (*instances*)
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  val instantiation: string list * (string * sort) list * sort -> theory -> local_theory
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  val instantiation_instance: (local_theory -> local_theory)
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    -> local_theory -> Proof.state
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  val prove_instantiation_instance: (Proof.context -> tactic)
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    -> local_theory -> local_theory
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  val prove_instantiation_exit: (Proof.context -> tactic)
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    -> local_theory -> theory
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  val prove_instantiation_exit_result: (morphism -> 'a -> 'b)
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    -> (Proof.context -> 'b -> tactic) -> 'a -> local_theory -> 'b * theory
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  val read_multi_arity: theory -> xstring list * xstring list * xstring
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    -> string list * (string * sort) list * sort
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  val instantiation_cmd: xstring list * xstring list * xstring -> theory -> local_theory
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  val instance_arity_cmd: xstring list * xstring list * xstring -> theory -> Proof.state
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  (*subclasses*)
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  val classrel: class * class -> theory -> Proof.state
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  val classrel_cmd: xstring * xstring -> theory -> Proof.state
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  val register_subclass: class * class -> morphism option -> Element.witness option
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    -> morphism -> local_theory -> local_theory
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  (*tactics*)
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  val intro_classes_tac: thm list -> tactic
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  val default_intro_tac: Proof.context -> thm list -> tactic
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end;
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structure Class: CLASS =
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struct
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(** class data **)
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datatype class_data = Class_Data of {
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  (* static part *)
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  consts: (string * string) list
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    (*locale parameter ~> constant name*),
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  base_sort: sort,
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  base_morph: morphism
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    (*static part of canonical morphism*),
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  export_morph: morphism,
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  assm_intro: thm option,
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  of_class: thm,
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  axiom: thm option,
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  (* dynamic part *)
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  defs: thm list,
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  operations: (string * (class * (typ * term))) list
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  (* n.b.
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    params = logical parameters of class
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    operations = operations participating in user-space type system
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  *)
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};
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fun make_class_data ((consts, base_sort, base_morph, export_morph, assm_intro, of_class, axiom),
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    (defs, operations)) =
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  Class_Data {consts = consts, base_sort = base_sort,
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    base_morph = base_morph, export_morph = export_morph, assm_intro = assm_intro,
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    of_class = of_class, axiom = axiom, defs = defs, operations = operations};
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fun map_class_data f (Class_Data {consts, base_sort, base_morph, export_morph, assm_intro,
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    of_class, axiom, defs, operations}) =
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  make_class_data (f ((consts, base_sort, base_morph, export_morph, assm_intro, of_class, axiom),
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    (defs, operations)));
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fun merge_class_data _ (Class_Data {consts = consts,
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    base_sort = base_sort, base_morph = base_morph, export_morph = export_morph, assm_intro = assm_intro,
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    of_class = of_class, axiom = axiom, defs = defs1, operations = operations1},
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  Class_Data {consts = _, base_sort = _, base_morph = _, export_morph = _, assm_intro = _,
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    of_class = _, axiom = _, defs = defs2, operations = operations2}) =
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  make_class_data ((consts, base_sort, base_morph, export_morph, assm_intro, of_class, axiom),
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    (Thm.merge_thms (defs1, defs2),
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      AList.merge (op =) (K true) (operations1, operations2)));
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structure Class_Data = Theory_Data
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(
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  type T = class_data Graph.T
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  val empty = Graph.empty;
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  val extend = I;
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  val merge = Graph.join merge_class_data;
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);
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(* queries *)
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fun lookup_class_data thy class =
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  (case try (Graph.get_node (Class_Data.get thy)) class of
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    SOME (Class_Data data) => SOME data
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  | NONE => NONE);
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fun the_class_data thy class =
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  (case lookup_class_data thy class of
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    NONE => error ("Undeclared class " ^ quote class)
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  | SOME data => data);
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val is_class = is_some oo lookup_class_data;
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val ancestry = Graph.all_succs o Class_Data.get;
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val heritage = Graph.all_preds o Class_Data.get;
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fun these_params thy =
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  let
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    fun params class =
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      let
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        val const_typs = (#params o Axclass.get_info thy) class;
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        val const_names = (#consts o the_class_data thy) class;
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      in
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        (map o apsnd)
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          (fn c => (class, (c, (the o AList.lookup (op =) const_typs) c))) const_names
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      end;
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  in maps params o ancestry thy end;
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val base_sort = #base_sort oo the_class_data;
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fun rules thy class =
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  let val {axiom, of_class, ...} = the_class_data thy class
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  in (axiom, of_class) end;
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fun all_assm_intros thy =
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  Graph.fold (fn (_, (Class_Data {assm_intro, ...}, _)) => fold (insert Thm.eq_thm)
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    (the_list assm_intro)) (Class_Data.get thy) [];
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fun these_defs thy = maps (#defs o the_class_data thy) o ancestry thy;
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fun these_operations thy = maps (#operations o the_class_data thy) o ancestry thy;
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val base_morphism = #base_morph oo the_class_data;
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fun morphism thy class =
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  (case Element.eq_morphism thy (these_defs thy [class]) of
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    SOME eq_morph => base_morphism thy class $> eq_morph
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  | NONE => base_morphism thy class);
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val export_morphism = #export_morph oo the_class_data;
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fun print_classes ctxt =
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  let
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    val thy = Proof_Context.theory_of ctxt;
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    val algebra = Sign.classes_of thy;
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    val class_space = Proof_Context.class_space ctxt;
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    val type_space = Proof_Context.type_space ctxt;
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    val const_space = Proof_Context.const_space ctxt;
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    val arities =
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      Symtab.empty
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      |> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) =>
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           Symtab.map_default (class, []) (insert (op =) tyco)) arities)
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             (Sorts.arities_of algebra);
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    fun prt_supersort class =
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      Syntax.pretty_sort ctxt (Sign.minimize_sort thy (Sign.super_classes thy class));
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    fun prt_arity class tyco =
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      let
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        val Ss = Sorts.mg_domain algebra tyco [class];
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      in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end;
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    fun prt_param (c, ty) =
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      Pretty.block
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       [Name_Space.pretty ctxt const_space c, Pretty.str " ::",
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        Pretty.brk 1, Syntax.pretty_typ ctxt (Type.strip_sorts_dummy ty)];
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    fun prt_entry class =
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      Pretty.block
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        ([Pretty.keyword1 "class", Pretty.brk 1,
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          Name_Space.pretty ctxt class_space class, Pretty.str ":", Pretty.fbrk,
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          Pretty.block [Pretty.str "supersort: ", prt_supersort class]] @
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          (case try (Axclass.get_info thy) class of
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            NONE => []
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          | SOME {params, ...} =>
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              [Pretty.fbrk, Pretty.big_list "parameters:" (map prt_param params)]) @
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          (case Symtab.lookup arities class of
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            NONE => []
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          | SOME ars =>
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              [Pretty.fbrk, Pretty.big_list "instances:"
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                (map (prt_arity class) (sort (Name_Space.extern_ord ctxt type_space) ars))]));
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  in
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    Sorts.all_classes algebra
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    |> sort (Name_Space.extern_ord ctxt class_space)
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    |> map prt_entry
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    |> Pretty.writeln_chunks2
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  end;
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(* updaters *)
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fun register class sups params base_sort base_morph export_morph
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    some_axiom some_assm_intro of_class thy =
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  let
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    val operations = map (fn (v_ty as (_, ty), (c, _)) =>
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      (c, (class, (ty, Free v_ty)))) params;
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    val add_class = Graph.new_node (class,
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        make_class_data (((map o pairself) fst params, base_sort,
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          base_morph, export_morph, some_assm_intro, of_class, some_axiom), ([], operations)))
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      #> fold (curry Graph.add_edge class) sups;
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  in Class_Data.map add_class thy end;
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fun activate_defs class thms thy =
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  (case Element.eq_morphism thy thms of
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    SOME eq_morph => fold (fn cls => fn thy =>
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      Context.theory_map (Locale.amend_registration (cls, base_morphism thy cls)
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        (eq_morph, true) (export_morphism thy cls)) thy) (heritage thy [class]) thy
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  | NONE => thy);
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fun register_operation class (c, (t, some_def)) thy =
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  let
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    val base_sort = base_sort thy class;
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    val prep_typ = map_type_tfree
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      (fn (v, sort) => if Name.aT = v
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        then TFree (v, base_sort) else TVar ((v, 0), sort));
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    val t' = map_types prep_typ t;
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    val ty' = Term.fastype_of t';
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  in
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    thy
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    |> (Class_Data.map o Graph.map_node class o map_class_data o apsnd)
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      (fn (defs, operations) =>
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        (fold cons (the_list some_def) defs,
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          (c, (class, (ty', t'))) :: operations))
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    |> activate_defs class (the_list some_def)
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  end;
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(** classes and class target **)
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(* class context syntax *)
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fun these_unchecks thy = map (fn (c, (_, (ty, t))) => (t, Const (c, ty)))
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  o these_operations thy;
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fun redeclare_const thy c =
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  let val b = Long_Name.base_name c
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  in Sign.intern_const thy b = c ? Variable.declare_const (b, c) end;
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fun synchronize_class_syntax sort base_sort ctxt =
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  let
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    val thy = Proof_Context.theory_of ctxt;
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    val algebra = Sign.classes_of thy;
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    val operations = these_operations thy sort;
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    fun subst_class_typ sort = map_type_tfree (K (TVar ((Name.aT, 0), sort)));
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    val primary_constraints =
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      (map o apsnd) (subst_class_typ base_sort o fst o snd) operations;
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    val secondary_constraints =
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      (map o apsnd) (fn (class, (ty, _)) => subst_class_typ [class] ty) operations;
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    fun improve (c, ty) =
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      (case AList.lookup (op =) primary_constraints c of
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        SOME ty' =>
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          (case try (Type.raw_match (ty', ty)) Vartab.empty of
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            SOME tyenv =>
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              (case Vartab.lookup tyenv (Name.aT, 0) of
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                SOME (_, ty' as TVar (vi, sort)) =>
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                  if Type_Infer.is_param vi andalso Sorts.sort_le algebra (base_sort, sort)
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                  then SOME (ty', TFree (Name.aT, base_sort))
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                  else NONE
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              | _ => NONE)
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          | NONE => NONE)
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      | NONE => NONE);
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    fun subst (c, _) = Option.map snd (AList.lookup (op =) operations c);
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    val unchecks = these_unchecks thy sort;
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  in
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    ctxt
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    |> fold (redeclare_const thy o fst) primary_constraints
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    |> Overloading.map_improvable_syntax (K (((primary_constraints, secondary_constraints),
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        (((improve, subst), true), unchecks)), false))
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    |> Overloading.set_primary_constraints
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  end;
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fun synchronize_class_syntax_target class lthy =
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  lthy
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  |> Local_Theory.map_contexts
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      (K (synchronize_class_syntax [class] (base_sort (Proof_Context.theory_of lthy) class)));
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fun redeclare_operations thy sort =
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  fold (redeclare_const thy o fst) (these_operations thy sort);
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fun begin sort base_sort ctxt =
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  ctxt
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  |> Variable.declare_term
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      (Logic.mk_type (TFree (Name.aT, base_sort)))
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  |> synchronize_class_syntax sort base_sort
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  |> Overloading.activate_improvable_syntax;
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fun init class thy =
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  thy
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  |> Locale.init class
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  |> begin [class] (base_sort thy class);
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(* class target *)
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val class_prefix = Logic.const_of_class o Long_Name.base_name;
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47078
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local
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fun target_extension f class b_mx_rhs =
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  Local_Theory.raw_theory (fn thy => f class (morphism thy class) b_mx_rhs thy)
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  #> synchronize_class_syntax_target class;
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fun class_const class prmode (b, rhs) =
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  Generic_Target.locale_declaration class true (fn phi =>
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    let
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      val b' = Morphism.binding phi b;
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      val rhs' = Morphism.term phi rhs;
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      val same_shape = Term.aconv_untyped (rhs, rhs');
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      (* FIXME workaround based on educated guess *)
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      val prefix' = Binding.prefix_of b';
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      val is_canonical_class = 
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        Binding.eq_name (b, b')
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          andalso not (null prefix')
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          andalso List.last prefix' = (class_prefix class, false)
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        orelse same_shape;
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    in
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      not is_canonical_class ? Generic_Target.generic_const same_shape prmode ((b', NoSyn), rhs')
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    end) #>
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  Generic_Target.const (fn (this, other) => other <> 0 andalso this <> other) prmode ((b, NoSyn), rhs);
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fun dangling_params_for lthy class (type_params, term_params) =
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  let
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    val class_param_names =
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      map fst (these_params (Proof_Context.theory_of lthy) [class]);
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    val dangling_term_params =
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      subtract (fn (v, Free (w, _)) => v = w | _ => false) class_param_names term_params;
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  in type_params @ dangling_term_params end;
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fun global_def (b, eq) thy =
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  thy
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  |> Thm.add_def_global false false (b, eq)
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  |>> (Thm.varifyT_global o snd)
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  |-> (fn def_thm => Global_Theory.store_thm (b, def_thm)
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      #> snd
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      #> pair def_thm);
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fun global_const dangling_params class phi ((b, mx), rhs) thy =
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  let
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    val dangling_params' = map (Morphism.term phi) dangling_params;
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    val b' = Morphism.binding phi b;
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    val b_def = Binding.suffix_name "_dict" b';
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    val rhs' = Morphism.term phi rhs;
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    val c' = Sign.full_name thy b';
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   365
    val ty' = map Term.fastype_of dangling_params' ---> Term.fastype_of rhs';
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    val def_eq = Logic.mk_equals (list_comb (Const (c', ty'), dangling_params'), rhs')
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      |> map_types Type.strip_sorts;
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  in
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    thy
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    |> Sign.declare_const_global ((b', Type.strip_sorts ty'), mx)
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    |> snd
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    |> global_def (b_def, def_eq)
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    |-> (fn def_thm =>
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      null dangling_params' ? register_operation class (c', (rhs', SOME (Thm.symmetric def_thm))))
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    |> Sign.add_const_constraint (c', SOME ty')
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  end;
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fun global_abbrev prmode class phi ((b, mx), rhs) thy =
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  let
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    val unchecks = these_unchecks thy [class];
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    val b' = Morphism.binding phi b;
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   382
    val rhs' = Pattern.rewrite_term thy unchecks [] rhs;
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   383
    val c' = Sign.full_name thy b';
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   384
    val ty' = Term.fastype_of rhs';
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  in
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    thy
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   387
    |> Sign.add_abbrev (#1 prmode) (b', Logic.varify_types_global rhs')
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   388
    |> snd
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   389
    |> Sign.notation true prmode [(Const (c', ty'), mx)]
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f652333bbf8e renamed structure PrintMode to Print_Mode, keeping the old name as legacy alias for some time;
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   390
    |> not (#1 prmode = Print_Mode.input) ? register_operation class (c', (rhs', NONE))
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    |> Sign.add_const_constraint (c', SOME ty')
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   392
  end;
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parents: 27684
diff changeset
   393
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   394
in
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   395
57119
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   396
fun const class ((b, mx), lhs) params lthy =
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   397
  let
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diff changeset
   398
    val dangling_params = dangling_params_for lthy class params;
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diff changeset
   399
  in
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   400
    lthy
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diff changeset
   401
    |> class_const class Syntax.mode_default (b, lhs)
haftmann
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diff changeset
   402
    |> target_extension (global_const dangling_params) class ((b, mx), lhs)
haftmann
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diff changeset
   403
  end;
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parents: 57070
diff changeset
   404
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haftmann
parents: 57074
diff changeset
   405
fun abbrev class prmode ((b, mx), lhs) rhs' =
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9a631586e3e5 tuned names
haftmann
parents: 57072
diff changeset
   406
  class_const class prmode (b, lhs)
57109
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haftmann
parents: 57074
diff changeset
   407
  #> target_extension (global_abbrev prmode) class ((b, mx), rhs');
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haftmann
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diff changeset
   408
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haftmann
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diff changeset
   409
end;
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haftmann
parents: 38392
diff changeset
   410
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haftmann
parents: 27684
diff changeset
   411
54866
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   412
(* subclasses *)
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haftmann
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   413
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haftmann
parents: 54742
diff changeset
   414
fun register_subclass (sub, sup) some_dep_morph some_witn export lthy =
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haftmann
parents: 54742
diff changeset
   415
  let
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haftmann
parents: 54742
diff changeset
   416
    val thy = Proof_Context.theory_of lthy;
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haftmann
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diff changeset
   417
    val intros = (snd o rules thy) sup :: map_filter I
54883
dd04a8b654fc proper context for norm_hhf and derived operations;
wenzelm
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diff changeset
   418
      [Option.map (Drule.export_without_context_open o Element.conclude_witness lthy) some_witn,
54866
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haftmann
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diff changeset
   419
        (fst o rules thy) sub];
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haftmann
parents: 54742
diff changeset
   420
    val classrel =
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haftmann
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diff changeset
   421
      Goal.prove_sorry_global thy [] [] (Logic.mk_classrel (sub, sup))
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   422
        (K (EVERY (map (TRYALL o rtac) intros)));
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haftmann
parents: 54742
diff changeset
   423
    val diff_sort = Sign.complete_sort thy [sup]
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haftmann
parents: 54742
diff changeset
   424
      |> subtract (op =) (Sign.complete_sort thy [sub])
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haftmann
parents: 54742
diff changeset
   425
      |> filter (is_class thy);
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   426
    fun add_dependency some_wit = case some_dep_morph of
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   427
        SOME dep_morph => Generic_Target.locale_dependency sub
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haftmann
parents: 54742
diff changeset
   428
          (sup, dep_morph $> Element.satisfy_morphism (the_list some_witn)) NONE export
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haftmann
parents: 54742
diff changeset
   429
      | NONE => I;
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
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diff changeset
   430
  in
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   431
    lthy
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   432
    |> Local_Theory.raw_theory
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   433
      (Axclass.add_classrel classrel
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   434
      #> Class_Data.map (Graph.add_edge (sub, sup))
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   435
      #> activate_defs sub (these_defs thy diff_sort))
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   436
    |> add_dependency some_witn
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   437
    |> synchronize_class_syntax_target sub
7b9a67cbd48f self-contained formulation of subclass command, avoiding hard-wired Named_Target.init
haftmann
parents: 54742
diff changeset
   438
  end;
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   439
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   440
local
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   441
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   442
fun gen_classrel mk_prop classrel thy =
8623244a50d5 axclass command now legacy
haftmann
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diff changeset
   443
  let
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   444
    fun after_qed results =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   445
      Proof_Context.background_theory ((fold o fold) Axclass.add_classrel results);
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   446
  in
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   447
    thy
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   448
    |> Proof_Context.init_global
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36106
diff changeset
   449
    |> Proof.theorem NONE after_qed [[(mk_prop thy classrel, [])]]
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   450
  end;
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   451
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   452
in
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   453
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   454
val classrel =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   455
  gen_classrel (Logic.mk_classrel oo Axclass.cert_classrel);
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   456
val classrel_cmd =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   457
  gen_classrel (Logic.mk_classrel oo Axclass.read_classrel);
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   458
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   459
end; (*local*)
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   460
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   461
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   462
(** instantiation target **)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   463
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   464
(* bookkeeping *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   465
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   466
datatype instantiation = Instantiation of {
25864
11f531354852 explicit type variables for instantiation
haftmann
parents: 25829
diff changeset
   467
  arities: string list * (string * sort) list * sort,
25462
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haftmann
parents: 25368
diff changeset
   468
  params: ((string * string) * (string * typ)) list
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   469
    (*(instantiation parameter, type constructor), (local instantiation parameter, typ)*)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   470
}
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   471
33519
e31a85f92ce9 adapted Generic_Data, Proof_Data;
wenzelm
parents: 33173
diff changeset
   472
structure Instantiation = Proof_Data
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   473
(
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   474
  type T = instantiation;
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   475
  fun init _ = Instantiation {arities = ([], [], []), params = []};
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   476
);
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   477
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   478
fun mk_instantiation (arities, params) =
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   479
  Instantiation {arities = arities, params = params};
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   480
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   481
val get_instantiation =
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wenzelm
parents: 46917
diff changeset
   482
  (fn Instantiation data => data) o Instantiation.get o Local_Theory.target_of;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   483
46919
82fc322fc30a more indentation;
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parents: 46917
diff changeset
   484
fun map_instantiation f =
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   485
  (Local_Theory.target o Instantiation.map)
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   486
    (fn Instantiation {arities, params} => mk_instantiation (f (arities, params)));
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   487
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   488
fun the_instantiation lthy =
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   489
  (case get_instantiation lthy of
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   490
    {arities = ([], [], []), ...} => error "No instantiation target"
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   491
  | data => data);
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   492
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   493
val instantiation_params = #params o get_instantiation;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   494
30519
c05c0199826f coherent binding policy with primitive target operations
haftmann
parents: 30364
diff changeset
   495
fun instantiation_param lthy b = instantiation_params lthy
c05c0199826f coherent binding policy with primitive target operations
haftmann
parents: 30364
diff changeset
   496
  |> find_first (fn (_, (v, _)) => Binding.name_of b = v)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   497
  |> Option.map (fst o fst);
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   498
31869
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   499
fun read_multi_arity thy (raw_tycos, raw_sorts, raw_sort) =
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   500
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   501
    val ctxt = Proof_Context.init_global thy;
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   502
    val all_arities = map (fn raw_tyco => Proof_Context.read_arity ctxt
31869
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   503
      (raw_tyco, raw_sorts, raw_sort)) raw_tycos;
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   504
    val tycos = map #1 all_arities;
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   505
    val (_, sorts, sort) = hd all_arities;
43329
84472e198515 tuned signature: Name.invent and Name.invent_names;
wenzelm
parents: 42402
diff changeset
   506
    val vs = Name.invent_names Name.context Name.aT sorts;
31869
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   507
  in (tycos, vs, sort) end;
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   508
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   509
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   510
(* syntax *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   511
26238
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   512
fun synchronize_inst_syntax ctxt =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   513
  let
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   514
    val Instantiation {params, ...} = Instantiation.get ctxt;
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   515
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   516
    val lookup_inst_param = Axclass.lookup_inst_param
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   517
      (Sign.consts_of (Proof_Context.theory_of ctxt)) params;
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   518
    fun subst (c, ty) =
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   519
      (case lookup_inst_param (c, ty) of
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   520
        SOME (v_ty as (_, ty)) => SOME (ty, Free v_ty)
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   521
      | NONE => NONE);
26238
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   522
    val unchecks =
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   523
      map (fn ((c, _), v_ty as (_, ty)) => (Free v_ty, Const (c, ty))) params;
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   524
  in
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   525
    ctxt
26259
d30f4a509361 better improvement in instantiation target
haftmann
parents: 26247
diff changeset
   526
    |> Overloading.map_improvable_syntax
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   527
      (fn (((primary_constraints, _), (((improve, _), _), _)), _) =>
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   528
          (((primary_constraints, []), (((improve, subst), false), unchecks)), false))
26238
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   529
  end;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   530
42385
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   531
fun resort_terms ctxt algebra consts constraints ts =
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   532
  let
42385
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   533
    fun matchings (Const (c_ty as (c, _))) =
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   534
          (case constraints c of
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   535
            NONE => I
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   536
          | SOME sorts =>
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   537
              fold2 (curry (Sorts.meet_sort algebra)) (Consts.typargs consts c_ty) sorts)
b46b47775cbe simplified Sorts.class_error: plain Proof.context;
wenzelm
parents: 42383
diff changeset
   538
      | matchings _ = I;
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   539
    val tvartab = (fold o fold_aterms) matchings ts Vartab.empty
47005
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46923
diff changeset
   540
      handle Sorts.CLASS_ERROR e => error (Sorts.class_error (Context.pretty ctxt) e);
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   541
    val inst = map_type_tvar
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   542
      (fn (vi, sort) => TVar (vi, the_default sort (Vartab.lookup tvartab vi)));
42402
c7139609b67d simplified check/uncheck interfaces: result comparison is hardwired by default;
wenzelm
parents: 42388
diff changeset
   543
  in if Vartab.is_empty tvartab then ts else (map o map_types) inst ts end;
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   544
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   545
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   546
(* target *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   547
47078
wenzelm
parents: 47061
diff changeset
   548
fun define_overloaded (c, U) v (b_def, rhs) =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   549
  Local_Theory.background_theory_result (Axclass.declare_overloaded (c, U)
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   550
  ##>> Axclass.define_overloaded b_def (c, rhs))
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   551
  ##> (map_instantiation o apsnd) (filter_out (fn (_, (v', _)) => v' = v))
47245
ff1770df59b8 Local_Theory.map_contexts with explicit level indication: 0 = main target at bottom;
wenzelm
parents: 47081
diff changeset
   552
  ##> Local_Theory.map_contexts (K synchronize_inst_syntax);
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   553
47289
wenzelm
parents: 47286
diff changeset
   554
fun foundation (((b, U), mx), (b_def, rhs)) params lthy =
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   555
  (case instantiation_param lthy b of
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   556
    SOME c =>
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   557
      if mx <> NoSyn then error ("Illegal mixfix syntax for overloaded constant " ^ quote c)
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   558
      else lthy |> define_overloaded (c, U) (Binding.name_of b) (b_def, rhs)
47289
wenzelm
parents: 47286
diff changeset
   559
  | NONE => lthy |> Generic_Target.theory_foundation (((b, U), mx), (b_def, rhs)) params);
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   560
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   561
fun pretty lthy =
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   562
  let
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   563
    val {arities = (tycos, vs, sort), params} = the_instantiation lthy;
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   564
    fun pr_arity tyco = Syntax.pretty_arity lthy (tyco, map snd vs, sort);
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   565
    fun pr_param ((c, _), (v, ty)) =
42359
6ca5407863ed prefer local name spaces;
wenzelm
parents: 41270
diff changeset
   566
      Pretty.block (Pretty.breaks
55304
55ac31bc08a4 more formal markup;
wenzelm
parents: 54883
diff changeset
   567
        [Pretty.str v, Pretty.str "==", Proof_Context.pretty_const lthy c,
42359
6ca5407863ed prefer local name spaces;
wenzelm
parents: 41270
diff changeset
   568
          Pretty.str "::", Syntax.pretty_typ lthy ty]);
55763
4b3907cb5654 tuned signature;
wenzelm
parents: 55304
diff changeset
   569
  in Pretty.keyword1 "instantiation" :: map pr_arity tycos @ map pr_param params end;
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   570
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   571
fun conclude lthy =
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   572
  let
42359
6ca5407863ed prefer local name spaces;
wenzelm
parents: 41270
diff changeset
   573
    val (tycos, vs, sort) = #arities (the_instantiation lthy);
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   574
    val thy = Proof_Context.theory_of lthy;
42359
6ca5407863ed prefer local name spaces;
wenzelm
parents: 41270
diff changeset
   575
    val _ = tycos |> List.app (fn tyco =>
46919
82fc322fc30a more indentation;
wenzelm
parents: 46917
diff changeset
   576
      if Sign.of_sort thy (Type (tyco, map TFree vs), sort) then ()
55304
55ac31bc08a4 more formal markup;
wenzelm
parents: 54883
diff changeset
   577
      else error ("Missing instance proof for type " ^ quote (Proof_Context.markup_type lthy tyco)));
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   578
  in lthy end;
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   579
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   580
fun instantiation (tycos, vs, sort) thy =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   581
  let
47061
355317493f34 clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
wenzelm
parents: 47005
diff changeset
   582
    val naming = Sign.naming_of thy;
355317493f34 clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
wenzelm
parents: 47005
diff changeset
   583
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   584
    val _ = if null tycos then error "At least one arity must be given" else ();
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   585
    val class_params = these_params thy (filter (can (Axclass.get_info thy)) sort);
29632
c3d576157244 fixed reading of class specs: declare class operations in context
haftmann
parents: 29610
diff changeset
   586
    fun get_param tyco (param, (_, (c, ty))) =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   587
      if can (Axclass.param_of_inst thy) (c, tyco)
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   588
      then NONE else SOME ((c, tyco),
46917
2f6c1952188a eliminated obsolete sanitize_name;
wenzelm
parents: 45429
diff changeset
   589
        (param ^ "_" ^ Long_Name.base_name tyco, map_atyps (K (Type (tyco, map TFree vs))) ty));
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   590
    val params = map_product get_param tycos class_params |> map_filter I;
51578
969ad6538b8f convenience check for vain instantiation
haftmann
parents: 51551
diff changeset
   591
    val _ = if null params andalso forall (fn tyco => can (Sign.arity_sorts thy tyco) sort) tycos
969ad6538b8f convenience check for vain instantiation
haftmann
parents: 51551
diff changeset
   592
      then error "No parameters and no pending instance proof obligations in instantiation."
969ad6538b8f convenience check for vain instantiation
haftmann
parents: 51551
diff changeset
   593
      else ();
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   594
    val primary_constraints = map (apsnd
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   595
      (map_atyps (K (TVar ((Name.aT, 0), [])))) o snd o snd) class_params;
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   596
    val algebra = Sign.classes_of thy
47005
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46923
diff changeset
   597
      |> fold (fn tyco => Sorts.add_arities (Context.pretty_global thy)
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   598
            (tyco, map (fn class => (class, map snd vs)) sort)) tycos;
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   599
    val consts = Sign.consts_of thy;
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   600
    val improve_constraints = AList.lookup (op =)
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   601
      (map (fn (_, (class, (c, _))) => (c, [[class]])) class_params);
42402
c7139609b67d simplified check/uncheck interfaces: result comparison is hardwired by default;
wenzelm
parents: 42388
diff changeset
   602
    fun resort_check ctxt ts = resort_terms ctxt algebra consts improve_constraints ts;
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   603
    val lookup_inst_param = Axclass.lookup_inst_param consts params;
42388
a44b0fdaa6c2 standardized aliases of operations on tsig;
wenzelm
parents: 42387
diff changeset
   604
    fun improve (c, ty) =
a44b0fdaa6c2 standardized aliases of operations on tsig;
wenzelm
parents: 42387
diff changeset
   605
      (case lookup_inst_param (c, ty) of
a44b0fdaa6c2 standardized aliases of operations on tsig;
wenzelm
parents: 42387
diff changeset
   606
        SOME (_, ty') => if Sign.typ_instance thy (ty', ty) then SOME (ty, ty') else NONE
a44b0fdaa6c2 standardized aliases of operations on tsig;
wenzelm
parents: 42387
diff changeset
   607
      | NONE => NONE);
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   608
  in
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   609
    thy
56056
4d46d53566e6 more efficient local theory operations, by imposing a linear change discipline on the main types/consts tables, in order to speed-up Proof_Context.transfer_syntax required for Local_Theory.raw_theory_result;
wenzelm
parents: 55763
diff changeset
   610
    |> Sign.change_begin
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   611
    |> Proof_Context.init_global
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   612
    |> Instantiation.put (mk_instantiation ((tycos, vs, sort), params))
27281
b457537e789a Variable.declare_typ;
wenzelm
parents: 27089
diff changeset
   613
    |> fold (Variable.declare_typ o TFree) vs
31249
d51d2a22a4f9 tuned class user space type system code
haftmann
parents: 31214
diff changeset
   614
    |> fold (Variable.declare_names o Free o snd) params
26259
d30f4a509361 better improvement in instantiation target
haftmann
parents: 26247
diff changeset
   615
    |> (Overloading.map_improvable_syntax o apfst)
29969
9dbb046136d0 more precise improvement in instantiation user space type system
haftmann
parents: 29632
diff changeset
   616
         (K ((primary_constraints, []), (((improve, K NONE), false), [])))
39378
df86b1b4ce10 more precise name for activation of improveable syntax
haftmann
parents: 39134
diff changeset
   617
    |> Overloading.activate_improvable_syntax
45429
fd58cbf8cae3 tuned signature;
wenzelm
parents: 45374
diff changeset
   618
    |> Context.proof_map (Syntax_Phases.term_check 0 "resorting" resort_check)
26238
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   619
    |> synchronize_inst_syntax
47061
355317493f34 clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
wenzelm
parents: 47005
diff changeset
   620
    |> Local_Theory.init naming
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   621
       {define = Generic_Target.define foundation,
47250
6523a21076a8 clarified Generic_Target.notes: always perform Attrib.partial_evaluation;
wenzelm
parents: 47245
diff changeset
   622
        notes = Generic_Target.notes Generic_Target.theory_notes,
47286
392c4cd97e5c more uniform theory_abbrev with const_declaration;
wenzelm
parents: 47279
diff changeset
   623
        abbrev = Generic_Target.abbrev Generic_Target.theory_abbrev,
47279
4bab649dedf0 clarified standard_declaration vs. theory_declaration;
wenzelm
parents: 47250
diff changeset
   624
        declaration = K Generic_Target.theory_declaration,
56723
a8f71445c265 subscription as target-specific implementation device
haftmann
parents: 56334
diff changeset
   625
        subscription = Generic_Target.theory_registration,
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   626
        pretty = pretty,
56056
4d46d53566e6 more efficient local theory operations, by imposing a linear change discipline on the main types/consts tables, in order to speed-up Proof_Context.transfer_syntax required for Local_Theory.raw_theory_result;
wenzelm
parents: 55763
diff changeset
   627
        exit = conclude #> Local_Theory.target_of #> Sign.change_end_local}
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   628
  end;
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   629
38382
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   630
fun instantiation_cmd arities thy =
8b02c5bf1d0e tuned internal structure
haftmann
parents: 38381
diff changeset
   631
  instantiation (read_multi_arity thy arities) thy;
26238
c30bb8182da2 generic improvable syntax for targets
haftmann
parents: 26167
diff changeset
   632
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   633
fun gen_instantiation_instance do_proof after_qed lthy =
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   634
  let
25864
11f531354852 explicit type variables for instantiation
haftmann
parents: 25829
diff changeset
   635
    val (tycos, vs, sort) = (#arities o the_instantiation) lthy;
11f531354852 explicit type variables for instantiation
haftmann
parents: 25829
diff changeset
   636
    val arities_proof = maps (fn tyco => Logic.mk_arities (tyco, map snd vs, sort)) tycos;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   637
    fun after_qed' results =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   638
      Local_Theory.background_theory (fold (Axclass.add_arity o Thm.varifyT_global) results)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   639
      #> after_qed;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   640
  in
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   641
    lthy
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   642
    |> do_proof after_qed' arities_proof
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   643
  end;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   644
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   645
val instantiation_instance = gen_instantiation_instance (fn after_qed => fn ts =>
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36106
diff changeset
   646
  Proof.theorem NONE (after_qed o map the_single) (map (fn t => [(t, [])]) ts));
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   647
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   648
fun prove_instantiation_instance tac = gen_instantiation_instance (fn after_qed =>
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25485
diff changeset
   649
  fn ts => fn lthy => after_qed (map (fn t => Goal.prove lthy [] [] t
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25485
diff changeset
   650
    (fn {context, ...} => tac context)) ts) lthy) I;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   651
28666
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   652
fun prove_instantiation_exit tac = prove_instantiation_instance tac
33671
4b0f2599ed48 modernized structure Local_Theory;
wenzelm
parents: 33522
diff changeset
   653
  #> Local_Theory.exit_global;
28666
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   654
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   655
fun prove_instantiation_exit_result f tac x lthy =
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   656
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   657
    val morph = Proof_Context.export_morphism lthy
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   658
      (Proof_Context.init_global (Proof_Context.theory_of lthy));
29439
83601bdadae8 construct explicit class morphism
haftmann
parents: 29362
diff changeset
   659
    val y = f morph x;
28666
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   660
  in
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   661
    lthy
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   662
    |> prove_instantiation_exit (fn ctxt => tac ctxt y)
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   663
    |> pair y
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   664
  end;
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   665
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   666
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   667
(* simplified instantiation interface with no class parameter *)
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   668
31869
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   669
fun instance_arity_cmd raw_arities thy =
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   670
  let
31869
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   671
    val (tycos, vs, sort) = read_multi_arity thy raw_arities;
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   672
    val sorts = map snd vs;
01fed718958c mutual instances
haftmann
parents: 31697
diff changeset
   673
    val arities = maps (fn tyco => Logic.mk_arities (tyco, sorts, sort)) tycos;
47078
wenzelm
parents: 47061
diff changeset
   674
    fun after_qed results =
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   675
      Proof_Context.background_theory ((fold o fold) Axclass.add_arity results);
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   676
  in
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   677
    thy
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   678
    |> Proof_Context.init_global
36323
655e2d74de3a modernized naming conventions of main Isar proof elements;
wenzelm
parents: 36106
diff changeset
   679
    |> Proof.theorem NONE after_qed (map (fn t => [(t, [])]) arities)
31635
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   680
  end;
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   681
8623244a50d5 axclass command now legacy
haftmann
parents: 31599
diff changeset
   682
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   683
(** tactics and methods **)
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   684
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   685
fun intro_classes_tac facts st =
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   686
  let
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   687
    val thy = Thm.theory_of_thm st;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   688
    val classes = Sign.all_classes thy;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   689
    val class_trivs = map (Thm.class_triv thy) classes;
51685
385ef6706252 more standard module name Axclass (according to file name);
wenzelm
parents: 51578
diff changeset
   690
    val class_intros = map_filter (try (#intro o Axclass.get_info thy)) classes;
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   691
    val assm_intros = all_assm_intros thy;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   692
  in
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   693
    Method.intros_tac (class_trivs @ class_intros @ assm_intros) facts st
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   694
  end;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   695
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   696
fun default_intro_tac ctxt [] =
39438
c5ece2a7a86e Isar "default" step needs to fail for solved problems, for clear distinction of '.' and '..' for example -- amending lapse introduced in 9de4d64eee3b (April 2004);
wenzelm
parents: 39378
diff changeset
   697
      COND Thm.no_prems no_tac
c5ece2a7a86e Isar "default" step needs to fail for solved problems, for clear distinction of '.' and '..' for example -- amending lapse introduced in 9de4d64eee3b (April 2004);
wenzelm
parents: 39378
diff changeset
   698
        (intro_classes_tac [] ORELSE Locale.intro_locales_tac true ctxt [])
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   699
  | default_intro_tac _ _ = no_tac;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   700
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   701
fun default_tac rules ctxt facts =
54742
7a86358a3c0b proper context for basic Simplifier operations: rewrite_rule, rewrite_goals_rule, rewrite_goals_tac etc.;
wenzelm
parents: 53539
diff changeset
   702
  HEADGOAL (Method.some_rule_tac ctxt rules facts) ORELSE
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   703
    default_intro_tac ctxt facts;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   704
53171
a5e54d4d9081 added Theory.setup convenience;
wenzelm
parents: 52788
diff changeset
   705
val _ = Theory.setup
56204
f70e69208a8c more antiquotations;
wenzelm
parents: 56056
diff changeset
   706
 (Method.setup @{binding intro_classes} (Scan.succeed (K (METHOD intro_classes_tac)))
30515
bca05b17b618 simplified method setup;
wenzelm
parents: 30510
diff changeset
   707
    "back-chain introduction rules of classes" #>
56204
f70e69208a8c more antiquotations;
wenzelm
parents: 56056
diff changeset
   708
  Method.setup @{binding default} (Attrib.thms >> (METHOD oo default_tac))
53171
a5e54d4d9081 added Theory.setup convenience;
wenzelm
parents: 52788
diff changeset
   709
    "apply some intro/elim rule");
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   710
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   711
end;
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   712