src/Pure/Isar/class.ML
author haftmann
Mon, 17 Dec 2007 22:40:13 +0100
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permissions -rw-r--r--
maior tuning
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(*  Title:      Pure/Isar/class.ML
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    ID:         $Id$
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    Author:     Florian Haftmann, TU Muenchen
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Type classes derived from primitive axclasses and locales.
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*)
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signature CLASS =
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sig
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  (*classes*)
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  val class: bstring -> class list -> Element.context_i Locale.element list
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    -> string list -> theory -> string * Proof.context
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  val class_cmd: bstring -> xstring list -> Element.context Locale.element list
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    -> xstring list -> theory -> string * Proof.context
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  val init: class -> theory -> Proof.context
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  val declare: string -> Markup.property list
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    -> (string * mixfix) * term -> theory -> theory
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  val abbrev: string -> Syntax.mode -> Markup.property list
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    -> (string * mixfix) * term -> theory -> theory
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  val refresh_syntax: class -> Proof.context -> Proof.context
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  val intro_classes_tac: thm list -> tactic
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  val default_intro_classes_tac: thm list -> tactic
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  val prove_subclass: class * class -> thm -> theory -> theory
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  val class_prefix: string -> string
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  val is_class: theory -> class -> bool
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  val these_params: theory -> sort -> (string * (string * typ)) list
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  val print_classes: theory -> unit
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  (*instances*)
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  val init_instantiation: string list * sort list * sort -> theory -> local_theory
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  val instantiation_instance: (local_theory -> local_theory) -> local_theory -> Proof.state
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  val prove_instantiation_instance: (Proof.context -> tactic) -> local_theory -> local_theory
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  val conclude_instantiation: local_theory -> local_theory
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  val instantiation_param: local_theory -> string -> string option
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  val confirm_declaration: string -> local_theory -> local_theory
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  val pretty_instantiation: local_theory -> Pretty.T
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  (*old axclass layer*)
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  val axclass_cmd: bstring * xstring list
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    -> ((bstring * Attrib.src list) * string list) list
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    -> theory -> class * theory
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  val classrel_cmd: xstring * xstring -> theory -> Proof.state
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  (*old instance layer*)
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  val instance_arity: (theory -> theory) -> arity -> theory -> Proof.state
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  val instance_arity_cmd: bstring * xstring list * xstring -> theory -> Proof.state
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end;
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structure Class : CLASS =
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struct
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(** auxiliary **)
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val classN = "class";
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val introN = "intro";
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fun prove_interpretation tac prfx_atts expr inst =
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  Locale.interpretation_i I prfx_atts expr inst
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  #> Proof.global_terminal_proof
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      (Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE)
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  #> ProofContext.theory_of;
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fun prove_interpretation_in tac after_qed (name, expr) =
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  Locale.interpretation_in_locale
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      (ProofContext.theory after_qed) (name, expr)
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  #> Proof.global_terminal_proof
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      (Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE)
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  #> ProofContext.theory_of;
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fun get_remove_global_constraint c thy =
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  let
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    val ty = Sign.the_const_constraint thy c;
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  in
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    thy
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    |> Sign.add_const_constraint (c, NONE)
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    |> pair (c, Logic.unvarifyT ty)
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  end;
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(** primitive axclass and instance commands **)
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fun axclass_cmd (class, raw_superclasses) raw_specs thy =
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  let
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    val ctxt = ProofContext.init thy;
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    val superclasses = map (Sign.read_class thy) raw_superclasses;
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    val name_atts = map ((apsnd o map) (Attrib.attribute thy) o fst)
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      raw_specs;
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    val axiomss = ProofContext.read_propp (ctxt, map (map (rpair []) o snd)
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          raw_specs)
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      |> snd
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      |> (map o map) fst;
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  in
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    AxClass.define_class (class, superclasses) []
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      (name_atts ~~ axiomss) thy
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  end;
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local
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fun gen_instance mk_prop add_thm after_qed insts thy =
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  let
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    fun after_qed' results =
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      ProofContext.theory ((fold o fold) add_thm results #> after_qed);
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  in
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    thy
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    |> ProofContext.init
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    |> Proof.theorem_i NONE after_qed' ((map (fn t => [(t, [])])
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        o mk_prop thy) insts)
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  end;
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in
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val instance_arity =
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  gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity;
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val instance_arity_cmd =
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  gen_instance (Logic.mk_arities oo Sign.read_arity) AxClass.add_arity I;
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val classrel =
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  gen_instance (single oo (Logic.mk_classrel oo AxClass.cert_classrel)) AxClass.add_classrel I;
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val classrel_cmd =
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  gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel)) AxClass.add_classrel I;
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end; (*local*)
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(** class data **)
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datatype class_data = ClassData of {
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  consts: (string * string) list
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    (*locale parameter ~> constant name*),
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  base_sort: sort,
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  inst: term option list
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    (*canonical interpretation*),
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  morphism: morphism,
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    (*partial morphism of canonical interpretation*)
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  assm_intro: thm option,
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  of_class: thm,
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  axiom: thm option,
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  defs: thm list,
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  operations: (string * (class * (typ * term))) list
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};
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fun rep_class_data (ClassData d) = d;
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fun mk_class_data ((consts, base_sort, inst, morphism, assm_intro, of_class, axiom),
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    (defs, operations)) =
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  ClassData { consts = consts, base_sort = base_sort, inst = inst,
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    morphism = morphism, assm_intro = assm_intro, of_class = of_class, axiom = axiom, 
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    defs = defs, operations = operations };
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fun map_class_data f (ClassData { consts, base_sort, inst, morphism,
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    assm_intro, of_class, axiom, defs, operations }) =
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  mk_class_data (f ((consts, base_sort, inst, morphism, assm_intro, of_class, axiom),
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    (defs, operations)));
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fun merge_class_data _ (ClassData { consts = consts,
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    base_sort = base_sort, inst = inst, morphism = morphism, assm_intro = assm_intro,
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    of_class = of_class, axiom = axiom, defs = defs1, operations = operations1 },
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  ClassData { consts = _, base_sort = _, inst = _, morphism = _, assm_intro = _,
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    of_class = _, axiom = _, defs = defs2, operations = operations2 }) =
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  mk_class_data ((consts, base_sort, inst, morphism, 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 ClassData = TheoryDataFun
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(
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  type T = class_data Graph.T
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  val empty = Graph.empty;
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  val copy = I;
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  val extend = I;
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  fun merge _ = Graph.join merge_class_data;
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);
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(* queries *)
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val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node o ClassData.get;
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fun the_class_data thy class = case lookup_class_data thy class
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 of 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 ClassData.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) (fn c => (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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fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy;
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fun morphism thy = #morphism o the_class_data thy;
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fun these_assm_intros thy =
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  Graph.fold (fn (_, (data, _)) => fold (insert Thm.eq_thm)
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    ((the_list o #assm_intro o rep_class_data) data)) (ClassData.get thy) [];
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fun these_operations thy =
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  maps (#operations o the_class_data thy) o ancestry thy;
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fun print_classes thy =
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  let
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    val ctxt = ProofContext.init thy;
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    val algebra = Sign.classes_of thy;
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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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             ((#arities o Sorts.rep_algebra) algebra);
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    val the_arities = these o Symtab.lookup arities;
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    fun mk_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 mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: "
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      ^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty);
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    fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [
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      (SOME o Pretty.str) ("class " ^ Sign.extern_class thy class ^ ":"),
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      (SOME o Pretty.block) [Pretty.str "supersort: ",
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        (Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class],
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      if is_class thy class then (SOME o Pretty.str)
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        ("locale: " ^ Locale.extern thy class) else NONE,
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      ((fn [] => NONE | ps => (SOME o Pretty.block o Pretty.fbreaks)
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          (Pretty.str "parameters:" :: ps)) o map mk_param
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        o these o Option.map #params o try (AxClass.get_info thy)) class,
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      (SOME o Pretty.block o Pretty.breaks) [
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        Pretty.str "instances:",
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        Pretty.list "" "" (map (mk_arity class) (the_arities class))
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      ]
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    ]
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  in
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    (Pretty.writeln o Pretty.chunks o separate (Pretty.str "")
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      o map mk_entry o Sorts.all_classes) algebra
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  end;
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(* updaters *)
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fun add_class_data ((class, superclasses),
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    (params, base_sort, inst, phi, assm_intro, of_class, axiom)) 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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        mk_class_data (((map o pairself) fst params, base_sort,
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          map (SOME o Const) inst, phi, assm_intro, of_class, axiom), ([], operations)))
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      #> fold (curry Graph.add_edge class) superclasses;
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  in ClassData.map add_class thy end;
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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 o the_class_data thy) class;
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    val prep_typ = map_atyps
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      (fn TVar (vi as (v, _), sort) => if Name.aT = v
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        then TFree (v, base_sort) else TVar (vi, 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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    |> (ClassData.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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  end;
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(** rule calculation, tactics and methods **)
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val class_prefix = Logic.const_of_class o Sign.base_name;
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fun calculate thy sups base_sort assm_axiom param_map class =
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  let
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    val subst_typ = map_atyps (fn TFree (v, sort) =>
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          if v = Name.aT then TVar ((v, 0), [class]) else TVar ((v, 0), sort)
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      | ty => ty);
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    fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) param_map v
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         of SOME (c, _) => Const (c, ty)
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          | NONE => t)
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      | subst_aterm t = t;
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    val subst_term = map_aterms subst_aterm #> map_types subst_typ;
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    val matches = ([pairself (Thm.ctyp_of thy o TVar o pair (Name.aT, 0))
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      (base_sort, [class])], map (fn (v, (c, ty)) => pairself (Thm.cterm_of thy)
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        (Var ((v, 0), map_atyps (fn _ => TVar ((Name.aT, 0), [class])) ty),
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          Const (c, map_atyps (fn _ => TVar ((Name.aT, 0), [class])) ty))) param_map);
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    val inst_thm = Thm.instantiate matches;
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    val (proto_assm_intro, locale_intro) = Locale.intros thy class
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      |> pairself (try the_single);
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    val axiom_premises = map_filter (#axiom o the_class_data thy) sups
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      @ the_list assm_axiom;
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    val axiom = case locale_intro
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     of SOME proto_axiom => SOME ((inst_thm proto_axiom OF axiom_premises) |> Drule.standard)
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      | NONE => assm_axiom;
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    val lift_axiom = case axiom of SOME axiom =>
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          (fn thm => Thm.implies_elim (inst_thm thm) axiom)
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      | NONE => I;
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    val subst_thm = Drule.standard' #> inst_thm #> lift_axiom;
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    val morphism = Morphism.term_morphism subst_term
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      $> Morphism.typ_morphism subst_typ
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      $> Morphism.thm_morphism subst_thm;
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    (*FIXME use more primitives here rather than OF, simplifify code*)
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    fun VarA sort = TVar ((Name.aT, 0), sort);
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    fun FreeA sort = TFree (Name.aT, sort);
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    fun instantiate sort1 sort2 =
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      Thm.instantiate ([pairself (Thm.ctyp_of thy) (VarA sort1, FreeA sort2)], [])
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    val inst_ty = (map_atyps o K o VarA) base_sort;
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    val assm_intro = proto_assm_intro
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      |> Option.map (Thm.instantiate ([],
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           map (fn (v, (c, ty)) => pairself (Thm.cterm_of thy)
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             (Var ((v, 0), inst_ty ty), Const (c, inst_ty ty))) param_map))
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      |> Option.map (MetaSimplifier.rewrite_rule (these_defs thy sups))
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      |> Option.map Goal.close_result;
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    val class_intro = (instantiate [] base_sort o #intro o AxClass.get_info thy) class;
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    val of_class_sups = if null sups
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      then Drule.sort_triv thy (FreeA base_sort, base_sort)
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      else map (Drule.implies_intr_hyps o #of_class o the_class_data thy) sups;
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    val locale_dests = map Drule.standard' (Locale.dests thy class);
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    fun mk_pred_triv () = (Thm.assume o Thm.cterm_of thy
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      o (map_types o map_atyps o K o FreeA) base_sort o Thm.prop_of o the) axiom;
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    val pred_trivs = case length locale_dests
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     of 0 => if is_none locale_intro then [] else [mk_pred_triv ()]
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      | n => replicate n (mk_pred_triv ());
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    val of_class = (class_intro OF of_class_sups OF locale_dests OF pred_trivs)
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      |> Goal.close_result;
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  in (morphism, assm_intro, of_class, axiom) end;
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   332
d3fca349736c clarified class interfaces and internals
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   333
fun class_interpretation class facts defs thy =
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   334
  let
25038
522abf8a5f87 canonical interpretation interface
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   335
    val params = these_params thy [class];
25083
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   336
    val inst = (#inst o the_class_data thy) class;
25020
f1344290e420 (un)overload: full rewrite;
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   337
    val tac = ALLGOALS (ProofContext.fact_tac facts);
25038
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   338
    val prfx = class_prefix class;
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d3fca349736c clarified class interfaces and internals
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   339
  in
25038
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diff changeset
   340
    thy
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diff changeset
   341
    |> fold_map (get_remove_global_constraint o fst o snd) params
25094
ba43514068fd Interpretation equations may have name and/or attribute.
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diff changeset
   342
    ||> prove_interpretation tac ((false, prfx), []) (Locale.Locale class)
ba43514068fd Interpretation equations may have name and/or attribute.
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   343
          (inst, map (fn def => (("", []), def)) defs)
25038
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   344
    |-> (fn cs => fold (Sign.add_const_constraint o apsnd SOME) cs)
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   345
  end;
24218
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parents:
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   346
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   347
fun prove_subclass (sub, sup) thm thy =
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   348
  let
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   349
    val of_class = (Drule.standard' o #of_class o the_class_data thy) sup;
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   350
    val intro = Drule.standard' (of_class OF [Drule.standard' thm]);
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   351
    val classrel = intro OF (the_list o #axiom o the_class_data thy) sub;
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   352
  in
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   353
    thy
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diff changeset
   354
    |> AxClass.add_classrel classrel
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   355
    |> prove_interpretation_in (ALLGOALS (ProofContext.fact_tac [thm]))
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   356
         I (sub, Locale.Locale sup)
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   357
    |> ClassData.map (Graph.add_edge (sub, sup))
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   358
  end;
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diff changeset
   359
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parents:
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   360
fun intro_classes_tac facts st =
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parents:
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   361
  let
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parents:
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   362
    val thy = Thm.theory_of_thm st;
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parents:
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   363
    val classes = Sign.all_classes thy;
fbf1646b267c ClassPackage renamed to Class
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parents:
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   364
    val class_trivs = map (Thm.class_triv thy) classes;
25618
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diff changeset
   365
    val class_intros = map_filter (try (#intro o AxClass.get_info thy)) classes;
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   366
    val assm_intros = these_assm_intros thy;
24218
fbf1646b267c ClassPackage renamed to Class
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parents:
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   367
  in
25618
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diff changeset
   368
    Method.intros_tac (class_trivs @ class_intros @ assm_intros) facts st
24218
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parents:
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   369
  end;
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parents:
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   370
fbf1646b267c ClassPackage renamed to Class
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parents:
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   371
fun default_intro_classes_tac [] = intro_classes_tac []
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cc2e0e8c81af renamed AxClass.get_definition to AxClass.get_info (again);
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   372
  | default_intro_classes_tac _ = no_tac;
24218
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parents:
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   373
fbf1646b267c ClassPackage renamed to Class
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parents:
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   374
fun default_tac rules ctxt facts =
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haftmann
parents:
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   375
  HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE
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haftmann
parents:
diff changeset
   376
    default_intro_classes_tac facts;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   377
fbf1646b267c ClassPackage renamed to Class
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parents:
diff changeset
   378
val _ = Context.add_setup (Method.add_methods
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   379
 [("intro_classes", Method.no_args (Method.METHOD intro_classes_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   380
    "back-chain introduction rules of classes"),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   381
  ("default", Method.thms_ctxt_args (Method.METHOD oo default_tac),
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   382
    "apply some intro/elim rule")]);
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   383
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   384
24589
d3fca349736c clarified class interfaces and internals
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diff changeset
   385
(** classes and class target **)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   386
25002
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parents: 24981
diff changeset
   387
(* class context syntax *)
24748
ee0a0eb6b738 proper syntax during class specification
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parents: 24731
diff changeset
   388
25083
765528b4b419 improved class syntax
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diff changeset
   389
structure ClassSyntax = ProofDataFun(
765528b4b419 improved class syntax
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parents: 25066
diff changeset
   390
  type T = {
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
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parents: 25344
diff changeset
   391
    local_constraints: (string * typ) list,
f12613fda79d proper implementation of check phase; non-qualified names for class operations
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parents: 25344
diff changeset
   392
    global_constraints: (string * typ) list,
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   393
    base_sort: sort,
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   394
    operations: (string * (typ * term)) list,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   395
    unchecks: (term * term) list,
25083
765528b4b419 improved class syntax
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parents: 25066
diff changeset
   396
    passed: bool
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   397
  };
f12613fda79d proper implementation of check phase; non-qualified names for class operations
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parents: 25344
diff changeset
   398
  fun init _ = {
f12613fda79d proper implementation of check phase; non-qualified names for class operations
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parents: 25344
diff changeset
   399
    local_constraints = [],
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   400
    global_constraints = [],
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   401
    base_sort = [],
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   402
    operations = [],
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   403
    unchecks = [],
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   404
    passed = true
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   405
  };;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   406
);
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   407
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   408
fun synchronize_syntax sups base_sort ctxt =
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   409
  let
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   410
    val thy = ProofContext.theory_of ctxt;
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   411
    fun subst_class_typ sort = map_atyps
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   412
      (fn TFree _ => TVar ((Name.aT, 0), sort) | ty' => ty');
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   413
    val operations = these_operations thy sups;
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   414
    val local_constraints =
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   415
      (map o apsnd) (subst_class_typ base_sort o fst o snd) operations;
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   416
    val global_constraints =
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   417
      (map o apsnd) (fn (class, (ty, _)) => subst_class_typ [class] ty) operations;
25318
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   418
    fun declare_const (c, _) =
c8352b38d47d synchronize_syntax: declare operations within the local scope of fixes/consts
wenzelm
parents: 25311
diff changeset
   419
      let val b = Sign.base_name c
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   420
      in Sign.intern_const thy b = c ? Variable.declare_const (b, c) end;
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   421
    val unchecks = map (fn (c, (_, (ty, t))) => (t, Const (c, ty))) operations;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   422
  in
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   423
    ctxt
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   424
    |> fold declare_const local_constraints
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   425
    |> fold (ProofContext.add_const_constraint o apsnd SOME) local_constraints
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   426
    |> ClassSyntax.put {
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   427
        local_constraints = local_constraints,
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   428
        global_constraints = global_constraints,
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   429
        base_sort = base_sort,
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   430
        operations = (map o apsnd) snd operations,
25195
62638dcafe38 fixed syntax; truned code structure; added primitive subclass interface with consideraton of syntax etc.
haftmann
parents: 25163
diff changeset
   431
        unchecks = unchecks,
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   432
        passed = false
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   433
      }
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   434
  end;
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   435
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   436
fun refresh_syntax class ctxt =
25002
haftmann
parents: 24981
diff changeset
   437
  let
haftmann
parents: 24981
diff changeset
   438
    val thy = ProofContext.theory_of ctxt;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   439
    val base_sort = (#base_sort o the_class_data thy) class;
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   440
  in synchronize_syntax [class] base_sort ctxt end;
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   441
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   442
val mark_passed = ClassSyntax.map
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   443
  (fn { local_constraints, global_constraints, base_sort, operations, unchecks, passed } =>
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   444
    { local_constraints = local_constraints, global_constraints = global_constraints,
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   445
      base_sort = base_sort, operations = operations, unchecks = unchecks, passed = true });
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   446
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   447
fun sort_term_check ts ctxt =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   448
  let
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   449
    val { local_constraints, global_constraints, base_sort, operations, passed, ... } =
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   450
      ClassSyntax.get ctxt;
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   451
    fun check_improve (Const (c, ty)) = (case AList.lookup (op =) local_constraints c
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   452
         of SOME ty0 => (case try (Type.raw_match (ty0, ty)) Vartab.empty
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   453
             of SOME tyenv => (case Vartab.lookup tyenv (Name.aT, 0)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   454
                 of SOME (_, TVar (tvar as (vi, _))) =>
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   455
                      if TypeInfer.is_param vi then cons tvar else I
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   456
                  | _ => I)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   457
              | NONE => I)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   458
          | NONE => I)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   459
      | check_improve _ = I;
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   460
    val improvements = (fold o fold_aterms) check_improve ts [];
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   461
    val ts' = (map o map_types o map_atyps) (fn ty as TVar tvar =>
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   462
        if member (op =) improvements tvar
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   463
          then TFree (Name.aT, base_sort) else ty | ty => ty) ts;
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   464
    fun check t0 = Envir.expand_term (fn Const (c, ty) => (case AList.lookup (op =) operations c
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   465
         of SOME (ty0, t) =>
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   466
              if Type.typ_instance (ProofContext.tsig_of ctxt) (ty, ty0)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   467
              then SOME (ty0, check t) else NONE
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   468
          | NONE => NONE)
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   469
      | _ => NONE) t0;
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   470
    val ts'' = map check ts';
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   471
  in if eq_list (op aconv) (ts, ts'') andalso passed then NONE
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   472
  else
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   473
    ctxt
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   474
    |> fold (ProofContext.add_const_constraint o apsnd SOME) global_constraints
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   475
    |> mark_passed
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   476
    |> pair ts''
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   477
    |> SOME
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   478
  end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   479
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   480
fun sort_term_uncheck ts ctxt =
25002
haftmann
parents: 24981
diff changeset
   481
  let
haftmann
parents: 24981
diff changeset
   482
    val thy = ProofContext.theory_of ctxt;
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   483
    val unchecks = (#unchecks o ClassSyntax.get) ctxt;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   484
    val ts' = map (Pattern.rewrite_term thy unchecks []) ts;
25060
17c313217998 Syntax.(un)check: explicit result option;
wenzelm
parents: 25038
diff changeset
   485
  in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', ctxt) end;
25002
haftmann
parents: 24981
diff changeset
   486
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   487
fun init_ctxt sups base_sort ctxt =
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   488
  ctxt
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   489
  |> Variable.declare_term
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   490
      (Logic.mk_type (TFree (Name.aT, base_sort)))
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   491
  |> synchronize_syntax sups base_sort
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   492
  |> Context.proof_map (
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   493
      Syntax.add_term_check 0 "class" sort_term_check
25103
haftmann
parents: 25096
diff changeset
   494
      #> Syntax.add_term_uncheck 0 "class" sort_term_uncheck)
24901
d3cbf79769b9 added first version of user-space type system for class target
haftmann
parents: 24847
diff changeset
   495
25311
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   496
fun init class thy =
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   497
  thy
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   498
  |> Locale.init class
25344
00c2179db769 synchronize_syntax: improved declare_const (still inactive);
wenzelm
parents: 25326
diff changeset
   499
  |> init_ctxt [class] ((#base_sort o the_class_data thy) class);
24914
95cda5dd58d5 added proper subclass concept; improved class target
haftmann
parents: 24901
diff changeset
   500
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   501
24589
d3fca349736c clarified class interfaces and internals
haftmann
parents: 24435
diff changeset
   502
(* class definition *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   503
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   504
local
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   505
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   506
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   507
  let
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   508
    val supclasses = map (prep_class thy) raw_supclasses;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   509
    val supsort = Sign.minimize_sort thy supclasses;
25618
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   510
    val sups = filter (is_class thy) supsort;
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   511
    val base_sort = if null sups then supsort else
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   512
      (#base_sort o the_class_data thy o hd) sups;
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   513
    val suplocales = map Locale.Locale sups;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   514
    val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e)
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   515
      | Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   516
    val supexpr = Locale.Merge suplocales;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   517
    val supparams = (map fst o Locale.parameters_of_expr thy) supexpr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   518
    val mergeexpr = Locale.Merge (suplocales @ includes);
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   519
    val constrain = Element.Constrains ((map o apsnd o map_atyps)
24847
bc15dcaed517 replaced AxClass.param_tyvarname by Name.aT;
wenzelm
parents: 24836
diff changeset
   520
      (fn TFree (_, sort) => TFree (Name.aT, sort)) supparams);
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   521
    fun fork_syn (Element.Fixes xs) =
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   522
          fold_map (fn (c, ty, syn) => cons (c, syn) #> pair (c, ty, NoSyn)) xs
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   523
          #>> Element.Fixes
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   524
      | fork_syn x = pair x;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   525
    fun fork_syntax elems =
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   526
      let
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   527
        val (elems', global_syntax) = fold_map fork_syn elems [];
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   528
      in (if null includes (*FIXME*) then constrain :: elems' else elems', global_syntax) end;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   529
    val (elems, global_syntax) =
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   530
      ProofContext.init thy
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   531
      |> Locale.cert_expr supexpr [constrain]
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   532
      |> snd
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   533
      |> init_ctxt sups base_sort
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   534
      |> process_expr Locale.empty raw_elems
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   535
      |> fst
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   536
      |> fork_syntax
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   537
  in (((sups, supparams), (supsort, base_sort, mergeexpr)), (elems, global_syntax)) end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   538
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   539
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   540
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   541
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   542
fun adjungate_axclass bname class base_sort sups supsort supparams global_syntax other_consts thy =
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   543
  let
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   544
    val supconsts = map fst supparams
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   545
      |> AList.make (the o AList.lookup (op =) (these_params thy sups))
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   546
      |> (map o apsnd o apsnd o map_atyps o K o TFree) (Name.aT, [class]);
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   547
    val all_params = map fst (Locale.parameters_of thy class);
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   548
    fun add_const (v, raw_ty) thy =
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   549
      let
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   550
        val c = Sign.full_name thy v;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   551
        val ty = map_atyps (K (TFree (Name.aT, base_sort))) raw_ty;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   552
        val ty0 = Type.strip_sorts ty;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   553
        val ty' = map_atyps (K (TFree (Name.aT, [class]))) ty0;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   554
        val syn = (the_default NoSyn o AList.lookup (op =) global_syntax) v;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   555
      in
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   556
        thy
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   557
        |> Sign.declare_const [] (v, ty0, syn)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   558
        |> snd
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   559
        |> pair ((v, ty), (c, ty'))
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   560
      end;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   561
    fun add_consts raw_params thy =
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   562
      thy
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   563
      |> Sign.add_path (Logic.const_of_class bname)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   564
      |> fold_map add_const raw_params
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   565
      ||> Sign.restore_naming thy
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   566
      |-> (fn params => pair (supconsts @ (map o apfst) fst params, params));
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   567
    fun globalize param_map = map_aterms
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   568
      (fn Free (v, ty) => Const ((fst o the o AList.lookup (op =) param_map) v, ty)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   569
        | t => t);
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   570
    val raw_pred = Locale.intros thy class
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   571
      |> fst
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   572
      |> map (Logic.unvarify o Logic.strip_imp_concl o Thm.prop_of);
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   573
    fun get_axiom thy = case (#axioms o AxClass.get_info thy) class
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   574
     of [] => NONE
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   575
      | [thm] => SOME thm;
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   576
  in
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   577
    thy
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   578
    |> add_consts ((snd o chop (length supparams)) all_params)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   579
    |-> (fn (param_map, params) => AxClass.define_class (bname, supsort)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   580
          (map (fst o snd) params @ other_consts)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   581
          [((bname ^ "_" ^ AxClass.axiomsN, []), map (globalize param_map) raw_pred)]
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   582
    #> snd
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   583
    #> `get_axiom
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   584
    #-> (fn assm_axiom => fold (Sign.add_const_constraint o apsnd SOME o snd) params
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   585
    #> pair (param_map, params, assm_axiom)))
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   586
  end;
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   587
25002
haftmann
parents: 24981
diff changeset
   588
fun gen_class prep_spec prep_param bname
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   589
    raw_supclasses raw_includes_elems raw_other_consts thy =
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   590
  let
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   591
    val class = Sign.full_name thy bname;
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   592
    val (((sups, supparams), (supsort, base_sort, mergeexpr)), (elems, global_syntax)) =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   593
      prep_spec thy raw_supclasses raw_includes_elems;
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   594
    val other_consts = map (tap (Sign.the_const_type thy) o prep_param thy) raw_other_consts;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   595
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   596
    thy
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   597
    |> Locale.add_locale_i (SOME "") bname mergeexpr elems
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   598
    |> snd
25311
aa750e3a581c Class.init now similiar to Locale.init
haftmann
parents: 25268
diff changeset
   599
    |> ProofContext.theory_of
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   600
    |> adjungate_axclass bname class base_sort sups supsort supparams global_syntax other_consts
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   601
    |-> (fn (param_map, params, assm_axiom) =>
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   602
         `(fn thy => calculate thy sups base_sort assm_axiom param_map class)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   603
    #-> (fn (morphism, assm_intro, assm_proj, axiom) =>
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   604
        add_class_data ((class, sups), (params, base_sort,
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   605
          map snd param_map, morphism, assm_intro, assm_proj, axiom))
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   606
    #> class_interpretation class (the_list axiom) []))
25268
58146cb7bf44 more precise treatment of prove_subclass
haftmann
parents: 25239
diff changeset
   607
    |> init class
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   608
    |> pair class
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   609
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   610
25326
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   611
fun read_const thy = #1 o Term.dest_Const o ProofContext.read_const (ProofContext.init thy);
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   612
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   613
in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   614
25326
e417a7236125 refined Variable.declare_const;
wenzelm
parents: 25318
diff changeset
   615
val class_cmd = gen_class read_class_spec read_const;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   616
val class = gen_class check_class_spec (K I);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   617
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   618
end; (*local*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   619
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   620
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   621
(* class target *)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   622
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   623
fun declare class pos ((c, mx), dict) thy =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   624
  let
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   625
    val prfx = class_prefix class;
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   626
    val thy' = thy |> Sign.add_path prfx;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   627
    val phi = morphism thy' class;
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   628
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   629
    val c' = Sign.full_name thy' c;
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   630
    val dict' = Morphism.term phi dict;
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   631
    val dict_def = map_types Logic.unvarifyT dict';
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   632
    val ty' = Term.fastype_of dict_def;
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   633
    val ty'' = Type.strip_sorts ty';
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   634
    val def_eq = Logic.mk_equals (Const (c', ty'), dict_def);
25618
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   635
    fun get_axiom thy = ((Thm.varifyT o Thm.symmetric o Thm.get_axiom_i thy) c', thy);
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   636
  in
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   637
    thy'
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   638
    |> Sign.declare_const pos (c, ty'', mx) |> snd
25518
00d5cc16e891 interface for unchecked definitions
haftmann
parents: 25514
diff changeset
   639
    |> Thm.add_def false false (c, def_eq)
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   640
    |>> Thm.symmetric
25618
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   641
    ||>> get_axiom
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   642
    |-> (fn (def, def') => class_interpretation class [def] [Thm.prop_of def]
01f20279fea1 improved rule calculation
haftmann
parents: 25603
diff changeset
   643
          #> register_operation class (c', (dict', SOME def')))
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   644
    |> Sign.restore_naming thy
25083
765528b4b419 improved class syntax
haftmann
parents: 25066
diff changeset
   645
    |> Sign.add_const_constraint (c', SOME ty')
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   646
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   647
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   648
fun abbrev class prmode pos ((c, mx), rhs) thy =
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   649
  let
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   650
    val prfx = class_prefix class;
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   651
    val thy' = thy |> Sign.add_path prfx;
25062
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   652
    val phi = morphism thy class;
af5ef0d4d655 global class syntax
haftmann
parents: 25060
diff changeset
   653
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   654
    val c' = Sign.full_name thy' c;
25146
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   655
    val rews = map (Logic.dest_equals o Thm.prop_of) (these_defs thy' [class])
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   656
    val rhs' = (Pattern.rewrite_term thy rews [] o Morphism.term phi) rhs;
25239
3d6abdd10382 handling of notation in class target
haftmann
parents: 25210
diff changeset
   657
    val ty' = Logic.unvarifyT (Term.fastype_of rhs');
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   658
  in
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   659
    thy'
25146
c2a41f31cacb tuned abbreviations in class context
haftmann
parents: 25104
diff changeset
   660
    |> Sign.add_abbrev (#1 prmode) pos (c, map_types Type.strip_sorts rhs') |> snd
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   661
    |> Sign.add_const_constraint (c', SOME ty')
25024
0615bb9955dd added is_class;
wenzelm
parents: 25020
diff changeset
   662
    |> Sign.notation true prmode [(Const (c', ty'), mx)]
25368
f12613fda79d proper implementation of check phase; non-qualified names for class operations
haftmann
parents: 25344
diff changeset
   663
    |> register_operation class (c', (rhs', NONE))
25096
b8950f7cf92e clarified abbreviations in class context
haftmann
parents: 25094
diff changeset
   664
    |> Sign.restore_naming thy
24836
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   665
  end;
dab06e93ec28 intermediate cleanup
haftmann
parents: 24770
diff changeset
   666
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   667
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   668
(** instantiation target **)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   669
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   670
(* bookkeeping *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   671
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   672
datatype instantiation = Instantiation of {
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   673
  arities: string list * sort list * sort,
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   674
  params: ((string * string) * (string * typ)) list
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   675
    (*(instantiation parameter, type constructor), (local instantiation parameter, typ)*)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   676
}
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   677
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   678
structure Instantiation = ProofDataFun
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   679
(
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   680
  type T = instantiation
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   681
  fun init _ = Instantiation { arities = ([], [], []), params = [] };
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   682
);
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   683
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   684
fun mk_instantiation (arities, params) =
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   685
  Instantiation { arities = arities, params = params };
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   686
fun get_instantiation lthy = case Instantiation.get (LocalTheory.target_of lthy)
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   687
 of Instantiation data => data;
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   688
fun map_instantiation f = (LocalTheory.target o Instantiation.map)
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   689
  (fn Instantiation { arities, params } => mk_instantiation (f (arities, params)));
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   690
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   691
fun the_instantiation lthy = case get_instantiation lthy
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   692
 of { arities = ([], [], []), ... } => error "No instantiation target"
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   693
  | data => data;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   694
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   695
val instantiation_params = #params o get_instantiation;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   696
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   697
fun instantiation_param lthy v = instantiation_params lthy
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   698
  |> find_first (fn (_, (v', _)) => v = v')
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   699
  |> Option.map (fst o fst);
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   700
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   701
fun confirm_declaration c = (map_instantiation o apsnd)
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   702
  (filter_out (fn (_, (c', _)) => c' = c));
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   703
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   704
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   705
(* syntax *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   706
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   707
fun subst_param thy params = map_aterms (fn t as Const (c, ty) =>
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   708
    (case AxClass.inst_tyco_of thy (c, ty)
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   709
     of SOME tyco => (case AList.lookup (op =) params (c, tyco)
01753a944433 improved
haftmann
parents: 25518
diff changeset
   710
         of SOME v_ty => Free v_ty
01753a944433 improved
haftmann
parents: 25518
diff changeset
   711
          | NONE => t)
01753a944433 improved
haftmann
parents: 25518
diff changeset
   712
      | NONE => t)
01753a944433 improved
haftmann
parents: 25518
diff changeset
   713
  | t => t);
01753a944433 improved
haftmann
parents: 25518
diff changeset
   714
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   715
fun inst_term_check ts lthy =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   716
  let
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   717
    val params = instantiation_params lthy;
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   718
    val tsig = ProofContext.tsig_of lthy;
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   719
    val thy = ProofContext.theory_of lthy;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   720
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   721
    fun check_improve (Const (c, ty)) = (case AxClass.inst_tyco_of thy (c, ty)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   722
         of SOME tyco => (case AList.lookup (op =) params (c, tyco)
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25485
diff changeset
   723
             of SOME (_, ty') => perhaps (try (Type.typ_match tsig (ty, ty')))
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   724
              | NONE => I)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   725
          | NONE => I)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   726
      | check_improve _ = I;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   727
    val improvement = (fold o fold_aterms) check_improve ts Vartab.empty;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   728
    val ts' = (map o map_types) (Envir.typ_subst_TVars improvement) ts;
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   729
    val ts'' = map (subst_param thy params) ts';
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   730
  in if eq_list (op aconv) (ts, ts'') then NONE else SOME (ts'', lthy) end;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   731
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   732
fun inst_term_uncheck ts lthy =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   733
  let
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   734
    val params = instantiation_params lthy;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   735
    val ts' = (map o map_aterms) (fn t as Free (v, ty) =>
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   736
       (case get_first (fn ((c, _), (v', _)) => if v = v' then SOME c else NONE) params
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   737
         of SOME c => Const (c, ty)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   738
          | NONE => t)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   739
      | t => t) ts;
25514
4b508bb31a6c first working version of instance target
haftmann
parents: 25502
diff changeset
   740
  in if eq_list (op aconv) (ts, ts') then NONE else SOME (ts', lthy) end;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   741
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   742
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   743
(* target *)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   744
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   745
val sanatize_name = (*FIXME*)
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   746
  let
25574
016f677ad7b8 declaration of instance parameter names
haftmann
parents: 25536
diff changeset
   747
    fun is_valid s = Symbol.is_ascii_letter s orelse Symbol.is_ascii_digit s
016f677ad7b8 declaration of instance parameter names
haftmann
parents: 25536
diff changeset
   748
      orelse s = "'" orelse s = "_";
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   749
    val is_junk = not o is_valid andf Symbol.is_regular;
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   750
    val junk = Scan.many is_junk;
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   751
    val scan_valids = Symbol.scanner "Malformed input"
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   752
      ((junk |--
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   753
        (Scan.optional (Scan.one Symbol.is_ascii_letter) "x" ^^ (Scan.many is_valid >> implode)
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   754
        --| junk))
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   755
      -- Scan.repeat ((Scan.many1 is_valid >> implode) --| junk) >> op ::);
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   756
  in
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   757
    explode #> scan_valids #> implode
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   758
  end;
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   759
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   760
fun init_instantiation (tycos, sorts, sort) thy =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   761
  let
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   762
    val _ = if null tycos then error "At least one arity must be given" else ();
01753a944433 improved
haftmann
parents: 25518
diff changeset
   763
    val _ = map (the_class_data thy) sort;
01753a944433 improved
haftmann
parents: 25518
diff changeset
   764
    val vs = map TFree (Name.names Name.context Name.aT sorts);
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   765
    fun type_name "*" = "prod"
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   766
      | type_name "+" = "sum"
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   767
      | type_name s = sanatize_name (NameSpace.base s); (*FIXME*)
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   768
    fun get_param tyco (param, (c, ty)) = if can (AxClass.param_of_inst thy) (c, tyco)
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   769
      then NONE else SOME ((c, tyco),
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   770
        (param ^ "_" ^ type_name tyco, map_atyps (K (Type (tyco, vs))) ty));
01753a944433 improved
haftmann
parents: 25518
diff changeset
   771
    val params = map_product get_param tycos (these_params thy sort) |> map_filter I;
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   772
  in
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   773
    thy
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   774
    |> ProofContext.init
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   775
    |> Instantiation.put (mk_instantiation ((tycos, sorts, sort), params))
01753a944433 improved
haftmann
parents: 25518
diff changeset
   776
    |> fold (Variable.declare_term o Logic.mk_type) vs
25574
016f677ad7b8 declaration of instance parameter names
haftmann
parents: 25536
diff changeset
   777
    |> fold (Variable.declare_names o Free o snd) params
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   778
    |> fold (fn tyco => ProofContext.add_arity (tyco, sorts, sort)) tycos
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   779
    |> Context.proof_map (
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   780
        Syntax.add_term_check 0 "instance" inst_term_check
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   781
        #> Syntax.add_term_uncheck 0 "instance" inst_term_uncheck)
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   782
  end;
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   783
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   784
fun gen_instantiation_instance do_proof after_qed lthy =
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   785
  let
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   786
    val (tycos, sorts, sort) = (#arities o the_instantiation) lthy;
01753a944433 improved
haftmann
parents: 25518
diff changeset
   787
    val arities_proof = maps (fn tyco => Logic.mk_arities (tyco, sorts, sort)) tycos;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   788
    fun after_qed' results =
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   789
      LocalTheory.theory (fold (AxClass.add_arity o Thm.varifyT) results)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   790
      #> after_qed;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   791
  in
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   792
    lthy
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   793
    |> do_proof after_qed' arities_proof
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   794
  end;
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   795
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   796
val instantiation_instance = gen_instantiation_instance (fn after_qed => fn ts =>
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   797
  Proof.theorem_i NONE (after_qed o map the_single) (map (fn t => [(t, [])]) ts));
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   798
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   799
fun prove_instantiation_instance tac = gen_instantiation_instance (fn after_qed =>
25502
9200b36280c0 instance command as rudimentary class target
haftmann
parents: 25485
diff changeset
   800
  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
   801
    (fn {context, ...} => tac context)) ts) lthy) I;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   802
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   803
fun conclude_instantiation lthy =
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   804
  let
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   805
    val { arities, params } = the_instantiation lthy;
25536
01753a944433 improved
haftmann
parents: 25518
diff changeset
   806
    val (tycos, sorts, sort) = arities;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   807
    val thy = ProofContext.theory_of lthy;
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   808
    val _ = map (fn tyco => if Sign.of_sort thy
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   809
        (Type (tyco, map TFree (Name.names Name.context Name.aT sorts)), sort)
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   810
      then () else error ("Missing instance proof for type " ^ quote (Sign.extern_type thy tyco)))
25597
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   811
        tycos;
34860182b250 moved instance parameter management from class.ML to axclass.ML
haftmann
parents: 25574
diff changeset
   812
  in lthy end;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   813
25603
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   814
fun pretty_instantiation lthy =
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   815
  let
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   816
    val { arities, params } = the_instantiation lthy;
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   817
    val (tycos, sorts, sort) = arities;
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   818
    val thy = ProofContext.theory_of lthy;
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   819
    fun pr_arity tyco = Syntax.pretty_arity lthy (tyco, sorts, sort);
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   820
    fun pr_param ((c, _), (v, ty)) =
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   821
      (Pretty.block o Pretty.breaks) [(Pretty.str o Sign.extern_const thy) c, Pretty.str "::",
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   822
        Sign.pretty_typ thy ty, Pretty.str "as", Pretty.str v];
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   823
  in
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   824
    (Pretty.block o Pretty.fbreaks)
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   825
      (Pretty.str "instantiation" :: map pr_arity tycos @ map pr_param params)
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   826
  end;
4b7a58fc168c dropped Class.prep_spec
haftmann
parents: 25597
diff changeset
   827
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   828
end;
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   829