src/HOL/Tools/record.ML
author wenzelm
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(*  Title:      HOL/Tools/record.ML
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    Author:     Wolfgang Naraschewski, TU Muenchen
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    Author:     Markus Wenzel, TU Muenchen
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    Author:     Norbert Schirmer, TU Muenchen
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    Author:     Thomas Sewell, NICTA
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Extensible records with structural subtyping.
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*)
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signature RECORD =
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sig
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  val type_abbr: bool Config.T
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  val type_as_fields: bool Config.T
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  val timing: bool Config.T
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  type info =
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   {args: (string * sort) list,
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    parent: (typ list * string) option,
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    fields: (string * typ) list,
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    extension: (string * typ list),
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    ext_induct: thm, ext_inject: thm, ext_surjective: thm, ext_split: thm, ext_def: thm,
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    select_convs: thm list, update_convs: thm list, select_defs: thm list, update_defs: thm list,
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    fold_congs: thm list, unfold_congs: thm list, splits: thm list, defs: thm list,
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    surjective: thm, equality: thm, induct_scheme: thm, induct: thm, cases_scheme: thm,
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    cases: thm, simps: thm list, iffs: thm list}
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  val get_info: theory -> string -> info option
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  val the_info: theory -> string -> info
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  val get_hierarchy: theory -> (string * typ list) -> (string * ((string * sort) * typ) list) list
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  val add_record: (string * sort) list * binding -> (typ list * string) option ->
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    (binding * typ * mixfix) list -> theory -> theory
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  val last_extT: typ -> (string * typ list) option
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  val dest_recTs: typ -> (string * typ list) list
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  val get_extT_fields: theory -> typ -> (string * typ) list * (string * typ)
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  val get_recT_fields: theory -> typ -> (string * typ) list * (string * typ)
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  val get_parent: theory -> string -> (typ list * string) option
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  val get_extension: theory -> string -> (string * typ list) option
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  val get_extinjects: theory -> thm list
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  val get_simpset: theory -> simpset
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  val simproc: simproc
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  val eq_simproc: simproc
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  val upd_simproc: simproc
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  val split_simproc: (term -> int) -> simproc
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  val ex_sel_eq_simproc: simproc
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  val split_tac: int -> tactic
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  val split_simp_tac: thm list -> (term -> int) -> int -> tactic
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  val split_wrapper: string * (Proof.context -> wrapper)
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  val updateN: string
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  val ext_typeN: string
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  val extN: string
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  val setup: theory -> theory
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end;
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signature ISO_TUPLE_SUPPORT =
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sig
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  val add_iso_tuple_type: binding * (string * sort) list ->
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    typ * typ -> theory -> (term * term) * theory
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  val mk_cons_tuple: term * term -> term
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  val dest_cons_tuple: term -> term * term
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  val iso_tuple_intros_tac: int -> tactic
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  val named_cterm_instantiate: (string * cterm) list -> thm -> thm
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end;
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structure Iso_Tuple_Support: ISO_TUPLE_SUPPORT =
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struct
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val isoN = "_Tuple_Iso";
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val iso_tuple_intro = @{thm isomorphic_tuple_intro};
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val iso_tuple_intros = Tactic.build_net @{thms isomorphic_tuple.intros};
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val tuple_iso_tuple = (@{const_name Record.tuple_iso_tuple}, @{thm tuple_iso_tuple});
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fun named_cterm_instantiate values thm =  (* FIXME eliminate *)
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  let
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    fun match name ((name', _), _) = name = name';
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    fun getvar name =
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      (case find_first (match name) (Term.add_vars (prop_of thm) []) of
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        SOME var => cterm_of (theory_of_thm thm) (Var var)
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      | NONE => raise THM ("named_cterm_instantiate: " ^ name, 0, [thm]));
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  in
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    cterm_instantiate (map (apfst getvar) values) thm
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  end;
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structure Iso_Tuple_Thms = Theory_Data
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(
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  type T = thm Symtab.table;
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  val empty = Symtab.make [tuple_iso_tuple];
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  val extend = I;
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  fun merge data = Symtab.merge Thm.eq_thm_prop data;   (* FIXME handle Symtab.DUP ?? *)
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);
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fun get_typedef_info tyco vs
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    (({rep_type, Abs_name, ...}, {Rep_inject, Abs_inverse, ... }) : Typedef.info) thy =
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  let
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    val exists_thm =
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      UNIV_I
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      |> Drule.instantiate' [SOME (ctyp_of thy (Logic.varifyT_global rep_type))] [];
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    val proj_constr = Abs_inverse OF [exists_thm];
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    val absT = Type (tyco, map TFree vs);
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  in
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    thy
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    |> pair (tyco, ((Rep_inject, proj_constr), Const (Abs_name, rep_type --> absT), absT))
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  end
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fun do_typedef raw_tyco repT raw_vs thy =
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  let
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    val ctxt = Proof_Context.init_global thy |> Variable.declare_typ repT;
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    val vs = map (Proof_Context.check_tfree ctxt) raw_vs;
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  in
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    thy
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    |> Typedef.add_typedef_global false (SOME raw_tyco) (raw_tyco, vs, NoSyn)
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        (HOLogic.mk_UNIV repT) NONE (rtac UNIV_witness 1)
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    |-> (fn (tyco, info) => get_typedef_info tyco vs info)
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  end;
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fun mk_cons_tuple (left, right) =
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  let
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    val (leftT, rightT) = (fastype_of left, fastype_of right);
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    val prodT = HOLogic.mk_prodT (leftT, rightT);
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    val isomT = Type (@{type_name tuple_isomorphism}, [prodT, leftT, rightT]);
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  in
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    Const (@{const_name Record.iso_tuple_cons}, isomT --> leftT --> rightT --> prodT) $
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      Const (fst tuple_iso_tuple, isomT) $ left $ right
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  end;
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fun dest_cons_tuple (Const (@{const_name Record.iso_tuple_cons}, _) $ Const _ $ t $ u) = (t, u)
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  | dest_cons_tuple t = raise TERM ("dest_cons_tuple", [t]);
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fun add_iso_tuple_type (b, alphas) (leftT, rightT) thy =
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  let
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    val repT = HOLogic.mk_prodT (leftT, rightT);
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    val ((_, ((rep_inject, abs_inverse), absC, absT)), typ_thy) =
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      thy
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      |> do_typedef b repT alphas
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      ||> Sign.add_path (Binding.name_of b); (*FIXME proper prefixing instead*)
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    (*construct a type and body for the isomorphism constant by
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      instantiating the theorem to which the definition will be applied*)
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    val intro_inst =
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      rep_inject RS named_cterm_instantiate [("abst", cterm_of typ_thy absC)] iso_tuple_intro;
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    val (_, body) = Logic.dest_equals (List.last (prems_of intro_inst));
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    val isomT = fastype_of body;
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    val isom_binding = Binding.suffix_name isoN b;
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    val isom_name = Sign.full_name typ_thy isom_binding;
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    val isom = Const (isom_name, isomT);
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    val ([isom_def], cdef_thy) =
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      typ_thy
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      |> Sign.declare_const_global ((isom_binding, isomT), NoSyn) |> snd
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      |> Global_Theory.add_defs false
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        [((Binding.conceal (Thm.def_binding isom_binding), Logic.mk_equals (isom, body)), [])];
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    val iso_tuple = isom_def RS (abs_inverse RS (rep_inject RS iso_tuple_intro));
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    val cons = Const (@{const_name Record.iso_tuple_cons}, isomT --> leftT --> rightT --> absT);
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    val thm_thy =
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      cdef_thy
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      |> Iso_Tuple_Thms.map (Symtab.insert Thm.eq_thm_prop (isom_name, iso_tuple))
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      |> Sign.restore_naming thy
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  in
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    ((isom, cons $ isom), thm_thy)
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  end;
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val iso_tuple_intros_tac =
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  resolve_from_net_tac iso_tuple_intros THEN'
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  CSUBGOAL (fn (cgoal, i) =>
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    let
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      val thy = Thm.theory_of_cterm cgoal;
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      val goal = Thm.term_of cgoal;
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      val isthms = Iso_Tuple_Thms.get thy;
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      fun err s t = raise TERM ("iso_tuple_intros_tac: " ^ s, [t]);
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      val goal' = Envir.beta_eta_contract goal;
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      val is =
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        (case goal' of
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          Const (@{const_name Trueprop}, _) $
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            (Const (@{const_name isomorphic_tuple}, _) $ Const is) => is
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        | _ => err "unexpected goal format" goal');
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      val isthm =
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        (case Symtab.lookup isthms (#1 is) of
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          SOME isthm => isthm
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        | NONE => err "no thm found for constant" (Const is));
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    in rtac isthm i end);
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end;
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structure Record: RECORD =
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struct
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val surject_assistI = @{thm iso_tuple_surjective_proof_assistI};
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val surject_assist_idE = @{thm iso_tuple_surjective_proof_assist_idE};
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val updacc_accessor_eqE = @{thm update_accessor_accessor_eqE};
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val updacc_updator_eqE = @{thm update_accessor_updator_eqE};
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val updacc_eq_idI = @{thm iso_tuple_update_accessor_eq_assist_idI};
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val updacc_eq_triv = @{thm iso_tuple_update_accessor_eq_assist_triv};
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val updacc_foldE = @{thm update_accessor_congruence_foldE};
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val updacc_unfoldE = @{thm update_accessor_congruence_unfoldE};
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val updacc_noopE = @{thm update_accessor_noopE};
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val updacc_noop_compE = @{thm update_accessor_noop_compE};
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val updacc_cong_idI = @{thm update_accessor_cong_assist_idI};
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val updacc_cong_triv = @{thm update_accessor_cong_assist_triv};
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val updacc_cong_from_eq = @{thm iso_tuple_update_accessor_cong_from_eq};
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(** name components **)
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val rN = "r";
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val wN = "w";
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val moreN = "more";
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val schemeN = "_scheme";
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val ext_typeN = "_ext";
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val inner_typeN = "_inner";
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val extN ="_ext";
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val updateN = "_update";
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val makeN = "make";
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val fields_selN = "fields";
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val extendN = "extend";
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val truncateN = "truncate";
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(*** utilities ***)
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fun varifyT idx = map_type_tfree (fn (a, S) => TVar ((a, idx), S));
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(* timing *)
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val timing = Attrib.setup_config_bool @{binding record_timing} (K false);
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fun timeit_msg ctxt s x = if Config.get ctxt timing then (warning s; timeit x) else x ();
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fun timing_msg ctxt s = if Config.get ctxt timing then warning s else ();
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(* syntax *)
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val Trueprop = HOLogic.mk_Trueprop;
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infix 0 :== ===;
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infixr 0 ==>;
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val op :== = Misc_Legacy.mk_defpair;
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val op === = Trueprop o HOLogic.mk_eq;
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val op ==> = Logic.mk_implies;
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(* constructor *)
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fun mk_ext (name, T) ts =
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  let val Ts = map fastype_of ts
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  in list_comb (Const (suffix extN name, Ts ---> T), ts) end;
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(* selector *)
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fun mk_selC sT (c, T) = (c, sT --> T);
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fun mk_sel s (c, T) =
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  let val sT = fastype_of s
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  in Const (mk_selC sT (c, T)) $ s end;
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(* updates *)
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fun mk_updC sfx sT (c, T) = (suffix sfx c, (T --> T) --> sT --> sT);
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fun mk_upd' sfx c v sT =
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  let val vT = domain_type (fastype_of v);
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  in Const (mk_updC sfx sT (c, vT)) $ v end;
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fun mk_upd sfx c v s = mk_upd' sfx c v (fastype_of s) $ s;
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(* types *)
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fun dest_recT (typ as Type (c_ext_type, Ts as (_ :: _))) =
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      (case try (unsuffix ext_typeN) c_ext_type of
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        NONE => raise TYPE ("Record.dest_recT", [typ], [])
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      | SOME c => ((c, Ts), List.last Ts))
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  | dest_recT typ = raise TYPE ("Record.dest_recT", [typ], []);
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val is_recT = can dest_recT;
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fun dest_recTs T =
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  let val ((c, Ts), U) = dest_recT T
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  in (c, Ts) :: dest_recTs U
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  end handle TYPE _ => [];
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fun last_extT T =
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  let val ((c, Ts), U) = dest_recT T in
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    (case last_extT U of
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      NONE => SOME (c, Ts)
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    | SOME l => SOME l)
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  end handle TYPE _ => NONE;
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fun rec_id i T =
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  let
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    val rTs = dest_recTs T;
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    val rTs' = if i < 0 then rTs else take i rTs;
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690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
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  in implode (map #1 rTs') end;
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41fe1c93f218 tuned spacing of sections;
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(*** extend theory by record definition ***)
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(** record info **)
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(* type info and parent_info *)
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type info =
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 {args: (string * sort) list,
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  parent: (typ list * string) option,
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  fields: (string * typ) list,
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  extension: (string * typ list),
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ad213c602ec1 refined and exported record_info;
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  ext_induct: thm,
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   325
  ext_inject: thm,
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   326
  ext_surjective: thm,
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   327
  ext_split: thm,
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   328
  ext_def: thm,
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   329
ad213c602ec1 refined and exported record_info;
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   330
  select_convs: thm list,
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   331
  update_convs: thm list,
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  select_defs: thm list,
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   333
  update_defs: thm list,
46223
cf91e1944229 comments;
wenzelm
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   334
  fold_congs: thm list,  (* FIXME unused!? *)
cf91e1944229 comments;
wenzelm
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   335
  unfold_congs: thm list,  (* FIXME unused!? *)
35138
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   336
  splits: thm list,
ad213c602ec1 refined and exported record_info;
wenzelm
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   337
  defs: thm list,
ad213c602ec1 refined and exported record_info;
wenzelm
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   338
ad213c602ec1 refined and exported record_info;
wenzelm
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   339
  surjective: thm,
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   340
  equality: thm,
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wenzelm
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   341
  induct_scheme: thm,
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tsewell@rubicon.NSW.bigpond.net.au
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  induct: thm,
35138
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wenzelm
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   343
  cases_scheme: thm,
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   344
  cases: thm,
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   345
ad213c602ec1 refined and exported record_info;
wenzelm
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   346
  simps: thm list,
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wenzelm
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   347
  iffs: thm list};
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wenzelm
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   348
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haftmann
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   349
fun make_info args parent fields extension
35138
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wenzelm
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   350
    ext_induct ext_inject ext_surjective ext_split ext_def
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
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   351
    select_convs update_convs select_defs update_defs fold_congs unfold_congs splits defs
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
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   352
    surjective equality induct_scheme induct cases_scheme cases
38012
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haftmann
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   353
    simps iffs : info =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   354
 {args = args, parent = parent, fields = fields, extension = extension,
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   355
  ext_induct = ext_induct, ext_inject = ext_inject, ext_surjective = ext_surjective,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   356
  ext_split = ext_split, ext_def = ext_def, select_convs = select_convs,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   357
  update_convs = update_convs, select_defs = select_defs, update_defs = update_defs,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   358
  fold_congs = fold_congs, unfold_congs = unfold_congs, splits = splits, defs = defs,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   359
  surjective = surjective, equality = equality, induct_scheme = induct_scheme,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   360
  induct = induct, cases_scheme = cases_scheme, cases = cases, simps = simps, iffs = iffs};
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wenzelm
parents:
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   361
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
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   362
type parent_info =
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wenzelm
parents:
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   363
 {name: string,
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   364
  fields: (string * typ) list,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   365
  extension: (string * typ list),
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   366
  induct_scheme: thm,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   367
  ext_def: thm};
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   368
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   369
fun make_parent_info name fields extension ext_def induct_scheme : parent_info =
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
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   370
 {name = name, fields = fields, extension = extension,
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   371
  ext_def = ext_def, induct_scheme = induct_scheme};
4867
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wenzelm
parents:
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   372
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   373
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
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   374
(* theory data *)
5001
9de7fda0a6df accomodate tuned version of theory data;
wenzelm
parents: 4970
diff changeset
   375
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
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diff changeset
   376
type data =
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   377
 {records: info Symtab.table,
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   378
  sel_upd:
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   379
   {selectors: (int * bool) Symtab.table,
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   380
    updates: string Symtab.table,
46047
6170af176fbb tuned -- afford slightly larger simpset in simp_defs_tac;
wenzelm
parents: 46046
diff changeset
   381
    simpset: simpset,
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   382
    defset: simpset},
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   383
  equalities: thm Symtab.table,
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   384
  extinjects: thm list,
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   385
  extsplit: thm Symtab.table,  (*maps extension name to split rule*)
35135
1667fd3b051d tuned errors;
wenzelm
parents: 35133
diff changeset
   386
  splits: (thm * thm * thm * thm) Symtab.table,  (*!!, ALL, EX - split-equalities, induct rule*)
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   387
  extfields: (string * typ) list Symtab.table,  (*maps extension to its fields*)
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   388
  fieldext: (string * typ list) Symtab.table};  (*maps field to its extension*)
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   389
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   390
fun make_data
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   391
    records sel_upd equalities extinjects extsplit splits extfields fieldext =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   392
 {records = records, sel_upd = sel_upd,
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   393
  equalities = equalities, extinjects=extinjects, extsplit = extsplit, splits = splits,
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   394
  extfields = extfields, fieldext = fieldext }: data;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   395
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   396
structure Data = Theory_Data
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   397
(
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   398
  type T = data;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   399
  val empty =
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   400
    make_data Symtab.empty
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   401
      {selectors = Symtab.empty, updates = Symtab.empty,
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   402
        simpset = HOL_basic_ss, defset = HOL_basic_ss}
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   403
       Symtab.empty [] Symtab.empty Symtab.empty Symtab.empty Symtab.empty;
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   404
  val extend = I;
33522
737589bb9bb8 adapted Theory_Data;
wenzelm
parents: 33385
diff changeset
   405
  fun merge
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   406
   ({records = recs1,
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   407
     sel_upd = {selectors = sels1, updates = upds1, simpset = ss1, defset = ds1},
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   408
     equalities = equalities1,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   409
     extinjects = extinjects1,
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   410
     extsplit = extsplit1,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   411
     splits = splits1,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   412
     extfields = extfields1,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   413
     fieldext = fieldext1},
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   414
    {records = recs2,
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   415
     sel_upd = {selectors = sels2, updates = upds2, simpset = ss2, defset = ds2},
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   416
     equalities = equalities2,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   417
     extinjects = extinjects2,
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   418
     extsplit = extsplit2,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   419
     splits = splits2,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   420
     extfields = extfields2,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   421
     fieldext = fieldext2}) =
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   422
    make_data
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   423
      (Symtab.merge (K true) (recs1, recs2))
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   424
      {selectors = Symtab.merge (K true) (sels1, sels2),
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   425
        updates = Symtab.merge (K true) (upds1, upds2),
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   426
        simpset = Simplifier.merge_ss (ss1, ss2),
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   427
        defset = Simplifier.merge_ss (ds1, ds2)}
22634
399e4b4835da canonical merge operations
haftmann
parents: 22596
diff changeset
   428
      (Symtab.merge Thm.eq_thm_prop (equalities1, equalities2))
33522
737589bb9bb8 adapted Theory_Data;
wenzelm
parents: 33385
diff changeset
   429
      (Thm.merge_thms (extinjects1, extinjects2))
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   430
      (Symtab.merge Thm.eq_thm_prop (extsplit1, extsplit2))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   431
      (Symtab.merge (fn ((a, b, c, d), (w, x, y, z)) =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   432
          Thm.eq_thm (a, w) andalso Thm.eq_thm (b, x) andalso
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   433
          Thm.eq_thm (c, y) andalso Thm.eq_thm (d, z)) (splits1, splits2))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   434
      (Symtab.merge (K true) (extfields1, extfields2))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   435
      (Symtab.merge (K true) (fieldext1, fieldext2));
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   436
);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   437
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   438
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   439
(* access 'records' *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   440
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   441
val get_info = Symtab.lookup o #records o Data.get;
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   442
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   443
fun the_info thy name =
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   444
  (case get_info thy name of
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   445
    SOME info => info
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   446
  | NONE => error ("Unknown record type " ^ quote name));
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   447
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   448
fun put_record name info =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   449
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   450
    make_data (Symtab.update (name, info) records)
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   451
      sel_upd equalities extinjects extsplit splits extfields fieldext);
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   452
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   453
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   454
(* access 'sel_upd' *)
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   455
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   456
val get_sel_upd = #sel_upd o Data.get;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   457
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
   458
val is_selector = Symtab.defined o #selectors o get_sel_upd;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   459
val get_updates = Symtab.lookup o #updates o get_sel_upd;
35232
f588e1169c8b renamed Simplifier.theory_context to Simplifier.global_context to emphasize that this is not the real thing;
wenzelm
parents: 35149
diff changeset
   460
fun get_ss_with_context getss thy = Simplifier.global_context thy (getss (get_sel_upd thy));
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   461
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   462
val get_simpset = get_ss_with_context #simpset;
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   463
val get_sel_upd_defs = get_ss_with_context #defset;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   464
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   465
fun get_update_details u thy =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   466
  let val sel_upd = get_sel_upd thy in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   467
    (case Symtab.lookup (#updates sel_upd) u of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   468
      SOME s =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   469
        let val SOME (dep, ismore) = Symtab.lookup (#selectors sel_upd) s
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   470
        in SOME (s, dep, ismore) end
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   471
    | NONE => NONE)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   472
  end;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   473
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   474
fun put_sel_upd names more depth simps defs thy =
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   475
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   476
    val all = names @ [more];
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   477
    val sels = map (rpair (depth, false)) names @ [(more, (depth, true))];
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   478
    val upds = map (suffix updateN) all ~~ all;
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   479
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   480
    val {records, sel_upd = {selectors, updates, simpset, defset},
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   481
      equalities, extinjects, extsplit, splits, extfields, fieldext} = Data.get thy;
46221
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   482
    val data =
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   483
      make_data records
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   484
        {selectors = fold Symtab.update_new sels selectors,
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   485
          updates = fold Symtab.update_new upds updates,
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   486
          simpset = simpset addsimps simps,
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   487
          defset = defset addsimps defs}
6dcb2cea827d eliminated dead code, together with spurious warning about congruence rule for "Fun.comp";
wenzelm
parents: 46219
diff changeset
   488
         equalities extinjects extsplit splits extfields fieldext;
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   489
  in Data.put data thy end;
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   490
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   491
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   492
(* access 'equalities' *)
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   493
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   494
fun add_equalities name thm =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   495
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   496
    make_data records sel_upd
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   497
      (Symtab.update_new (name, thm) equalities) extinjects extsplit splits extfields fieldext);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   498
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   499
val get_equalities = Symtab.lookup o #equalities o Data.get;
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   500
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   501
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   502
(* access 'extinjects' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   503
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   504
fun add_extinjects thm =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   505
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   506
    make_data records sel_upd equalities (insert Thm.eq_thm_prop thm extinjects)
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   507
      extsplit splits extfields fieldext);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   508
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   509
val get_extinjects = rev o #extinjects o Data.get;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   510
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   511
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   512
(* access 'extsplit' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   513
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   514
fun add_extsplit name thm =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   515
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   516
    make_data records sel_upd equalities extinjects
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   517
      (Symtab.update_new (name, thm) extsplit) splits extfields fieldext);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   518
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   519
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   520
(* access 'splits' *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   521
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   522
fun add_splits name thmP =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   523
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   524
    make_data records sel_upd equalities extinjects extsplit
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   525
      (Symtab.update_new (name, thmP) splits) extfields fieldext);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   526
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   527
val get_splits = Symtab.lookup o #splits o Data.get;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   528
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   529
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   530
(* parent/extension of named record *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   531
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   532
val get_parent = (Option.join o Option.map #parent) oo (Symtab.lookup o #records o Data.get);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   533
val get_extension = Option.map #extension oo (Symtab.lookup o #records o Data.get);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   534
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   535
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   536
(* access 'extfields' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   537
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   538
fun add_extfields name fields =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   539
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   540
    make_data records sel_upd equalities extinjects extsplit splits
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   541
      (Symtab.update_new (name, fields) extfields) fieldext);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   542
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   543
val get_extfields = Symtab.lookup o #extfields o Data.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   544
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   545
fun get_extT_fields thy T =
15059
schirmer
parents: 15058
diff changeset
   546
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   547
    val ((name, Ts), moreT) = dest_recT T;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   548
    val recname =
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   549
      let val (nm :: _ :: rst) = rev (Long_Name.explode name)   (* FIXME !? *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   550
      in Long_Name.implode (rev (nm :: rst)) end;
45424
01d75cf04497 localized Record.decode_type: use standard Proof_Context.get_sort;
wenzelm
parents: 44653
diff changeset
   551
    val varifyT = varifyT (maxidx_of_typs (moreT :: Ts) + 1);
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   552
    val {records, extfields, ...} = Data.get thy;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   553
    val (fields, (more, _)) = split_last (Symtab.lookup_list extfields name);
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   554
    val args = map varifyT (snd (#extension (the (Symtab.lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   555
41489
8e2b8649507d standardized split_last/last_elem towards List.last;
wenzelm
parents: 40845
diff changeset
   556
    val subst = fold (Sign.typ_match thy) (#1 (split_last args) ~~ #1 (split_last Ts)) Vartab.empty;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   557
    val fields' = map (apsnd (Envir.norm_type subst o varifyT)) fields;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   558
  in (fields', (more, moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   559
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   560
fun get_recT_fields thy T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   561
  let
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   562
    val (root_fields, (root_more, root_moreT)) = get_extT_fields thy T;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   563
    val (rest_fields, rest_more) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   564
      if is_recT root_moreT then get_recT_fields thy root_moreT
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   565
      else ([], (root_more, root_moreT));
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   566
  in (root_fields @ rest_fields, rest_more) end;
15059
schirmer
parents: 15058
diff changeset
   567
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   568
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   569
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   570
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   571
fun add_fieldext extname_types fields =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   572
  Data.map (fn {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =>
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   573
    let
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   574
      val fieldext' =
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   575
        fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext;
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   576
    in make_data records sel_upd equalities extinjects extsplit splits extfields fieldext' end);
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   577
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
   578
val get_fieldext = Symtab.lookup o #fieldext o Data.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   579
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   580
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   581
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   582
41577
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   583
local
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   584
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   585
fun add_parents _ NONE = I
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   586
  | add_parents thy (SOME (types, name)) =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   587
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   588
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   589
41577
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   590
        val {args, parent, ...} =
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
   591
          (case get_info thy name of SOME info => info | NONE => err "Unknown");
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   592
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   593
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   594
        fun bad_inst ((x, S), T) =
22578
b0eb5652f210 removed obsolete sign_of/sign_of_thm;
wenzelm
parents: 22219
diff changeset
   595
          if Sign.of_sort thy (T, S) then NONE else SOME x
32952
aeb1e44fbc19 replaced String.concat by implode;
wenzelm
parents: 32809
diff changeset
   596
        val bads = map_filter bad_inst (args ~~ types);
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   597
        val _ = null bads orelse err ("Ill-sorted instantiation of " ^ commas bads ^ " in");
12255
wenzelm
parents: 12247
diff changeset
   598
41591
484eedf607da proper type variables with sorts;
wenzelm
parents: 41578
diff changeset
   599
        val inst = args ~~ types;
484eedf607da proper type variables with sorts;
wenzelm
parents: 41578
diff changeset
   600
        val subst = Term.map_type_tfree (the o AList.lookup (op =) inst);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   601
        val parent' = Option.map (apfst (map subst)) parent;
41577
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   602
      in cons (name, inst) #> add_parents thy parent' end;
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   603
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   604
in
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   605
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   606
fun get_hierarchy thy (name, types) = add_parents thy (SOME (types, name)) [];
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   607
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   608
fun get_parent_info thy parent =
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   609
  add_parents thy parent [] |> map (fn (name, inst) =>
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   610
    let
41591
484eedf607da proper type variables with sorts;
wenzelm
parents: 41578
diff changeset
   611
      val subst = Term.map_type_tfree (the o AList.lookup (op =) inst);
41577
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   612
      val {fields, extension, induct_scheme, ext_def, ...} = the_info thy name;
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   613
      val fields' = map (apsnd subst) fields;
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   614
      val extension' = apsnd (map subst) extension;
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   615
    in make_parent_info name fields' extension' ext_def induct_scheme end);
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   616
9a64c4007864 export Record.get_hierarchy -- external tools typically need this information;
wenzelm
parents: 41576
diff changeset
   617
end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   618
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   619
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   620
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   621
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   622
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   623
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   624
35144
wenzelm
parents: 35142
diff changeset
   625
local
wenzelm
parents: 35142
diff changeset
   626
43681
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   627
fun split_args (field :: fields) ((name, arg) :: fargs) =
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   628
      if can (unsuffix name) field then
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   629
        let val (args, rest) = split_args fields fargs
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   630
        in (arg :: args, rest) end
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   631
      else raise Fail ("expecting field " ^ quote field ^ " but got " ^ quote name)
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   632
  | split_args [] (fargs as (_ :: _)) = ([], fargs)
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   633
  | split_args (_ :: _) [] = raise Fail "expecting more fields"
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   634
  | split_args _ _ = ([], []);
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   635
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   636
fun field_type_tr ((Const (@{syntax_const "_field_type"}, _) $ Const (name, _) $ arg)) =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   637
      (name, arg)
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   638
  | field_type_tr t = raise TERM ("field_type_tr", [t]);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   639
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   640
fun field_types_tr (Const (@{syntax_const "_field_types"}, _) $ t $ u) =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   641
      field_type_tr t :: field_types_tr u
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   642
  | field_types_tr t = [field_type_tr t];
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   643
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   644
fun record_field_types_tr more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   645
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   646
    val thy = Proof_Context.theory_of ctxt;
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   647
    fun err msg = raise TERM ("Error in record-type input: " ^ msg, [t]);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   648
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   649
    fun mk_ext (fargs as (name, _) :: _) =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   650
          (case get_fieldext thy (Proof_Context.intern_const ctxt name) of
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   651
            SOME (ext, alphas) =>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   652
              (case get_extfields thy ext of
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   653
                SOME fields =>
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   654
                  let
41489
8e2b8649507d standardized split_last/last_elem towards List.last;
wenzelm
parents: 40845
diff changeset
   655
                    val (fields', _) = split_last fields;
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   656
                    val types = map snd fields';
43681
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   657
                    val (args, rest) = split_args (map fst fields') fargs
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   658
                      handle Fail msg => err msg;
45434
f28329338d30 simultaneous check;
wenzelm
parents: 45427
diff changeset
   659
                    val argtypes = Syntax.check_typs ctxt (map Syntax_Phases.decode_typ args);
f28329338d30 simultaneous check;
wenzelm
parents: 45427
diff changeset
   660
                    val varifyT = varifyT (fold Term.maxidx_typ argtypes ~1 + 1);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   661
                    val vartypes = map varifyT types;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   662
36159
bffb04bf4e83 more robust record syntax: use Type.raw_match to ignore sort constraints as in regular abbreviations (also note that constraints only affect operations, not types);
wenzelm
parents: 36153
diff changeset
   663
                    val subst = Type.raw_matches (vartypes, argtypes) Vartab.empty
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   664
                      handle Type.TYPE_MATCH => err "type is no proper record (extension)";
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   665
                    val alphas' =
42247
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   666
                      map (Syntax_Phases.term_of_typ ctxt o Envir.norm_type subst o varifyT)
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   667
                        (#1 (split_last alphas));
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   668
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   669
                    val more' = mk_ext rest;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   670
                  in
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   671
                    list_comb
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   672
                      (Syntax.const (Lexicon.mark_type (suffix ext_typeN ext)), alphas' @ [more'])
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   673
                  end
43683
b5d1873449fb tuned errors;
wenzelm
parents: 43682
diff changeset
   674
              | NONE => err ("no fields defined for " ^ quote ext))
b5d1873449fb tuned errors;
wenzelm
parents: 43682
diff changeset
   675
          | NONE => err (quote name ^ " is no proper field"))
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   676
      | mk_ext [] = more;
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   677
  in
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   678
    mk_ext (field_types_tr t)
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   679
  end;
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   680
35363
09489d8ffece explicit @{type_syntax} markup;
wenzelm
parents: 35262
diff changeset
   681
fun record_type_tr ctxt [t] = record_field_types_tr (Syntax.const @{type_syntax unit}) ctxt t
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   682
  | record_type_tr _ ts = raise TERM ("record_type_tr", ts);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   683
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   684
fun record_type_scheme_tr ctxt [t, more] = record_field_types_tr more ctxt t
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   685
  | record_type_scheme_tr _ ts = raise TERM ("record_type_scheme_tr", ts);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   686
35147
wenzelm
parents: 35146
diff changeset
   687
wenzelm
parents: 35146
diff changeset
   688
fun field_tr ((Const (@{syntax_const "_field"}, _) $ Const (name, _) $ arg)) = (name, arg)
wenzelm
parents: 35146
diff changeset
   689
  | field_tr t = raise TERM ("field_tr", [t]);
wenzelm
parents: 35146
diff changeset
   690
wenzelm
parents: 35146
diff changeset
   691
fun fields_tr (Const (@{syntax_const "_fields"}, _) $ t $ u) = field_tr t :: fields_tr u
wenzelm
parents: 35146
diff changeset
   692
  | fields_tr t = [field_tr t];
wenzelm
parents: 35146
diff changeset
   693
wenzelm
parents: 35146
diff changeset
   694
fun record_fields_tr more ctxt t =
wenzelm
parents: 35146
diff changeset
   695
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   696
    val thy = Proof_Context.theory_of ctxt;
35147
wenzelm
parents: 35146
diff changeset
   697
    fun err msg = raise TERM ("Error in record input: " ^ msg, [t]);
wenzelm
parents: 35146
diff changeset
   698
wenzelm
parents: 35146
diff changeset
   699
    fun mk_ext (fargs as (name, _) :: _) =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   700
          (case get_fieldext thy (Proof_Context.intern_const ctxt name) of
35147
wenzelm
parents: 35146
diff changeset
   701
            SOME (ext, _) =>
wenzelm
parents: 35146
diff changeset
   702
              (case get_extfields thy ext of
wenzelm
parents: 35146
diff changeset
   703
                SOME fields =>
wenzelm
parents: 35146
diff changeset
   704
                  let
43681
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   705
                    val (args, rest) = split_args (map fst (fst (split_last fields))) fargs
66f349cff1fb just one copy of split_args;
wenzelm
parents: 43329
diff changeset
   706
                      handle Fail msg => err msg;
35147
wenzelm
parents: 35146
diff changeset
   707
                    val more' = mk_ext rest;
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   708
                  in list_comb (Syntax.const (Lexicon.mark_const (ext ^ extN)), args @ [more']) end
43683
b5d1873449fb tuned errors;
wenzelm
parents: 43682
diff changeset
   709
              | NONE => err ("no fields defined for " ^ quote ext))
b5d1873449fb tuned errors;
wenzelm
parents: 43682
diff changeset
   710
          | NONE => err (quote name ^ " is no proper field"))
35147
wenzelm
parents: 35146
diff changeset
   711
      | mk_ext [] = more;
wenzelm
parents: 35146
diff changeset
   712
  in mk_ext (fields_tr t) end;
wenzelm
parents: 35146
diff changeset
   713
wenzelm
parents: 35146
diff changeset
   714
fun record_tr ctxt [t] = record_fields_tr (Syntax.const @{const_syntax Unity}) ctxt t
wenzelm
parents: 35146
diff changeset
   715
  | record_tr _ ts = raise TERM ("record_tr", ts);
wenzelm
parents: 35146
diff changeset
   716
wenzelm
parents: 35146
diff changeset
   717
fun record_scheme_tr ctxt [t, more] = record_fields_tr more ctxt t
wenzelm
parents: 35146
diff changeset
   718
  | record_scheme_tr _ ts = raise TERM ("record_scheme_tr", ts);
wenzelm
parents: 35146
diff changeset
   719
wenzelm
parents: 35146
diff changeset
   720
wenzelm
parents: 35146
diff changeset
   721
fun field_update_tr (Const (@{syntax_const "_field_update"}, _) $ Const (name, _) $ arg) =
43683
b5d1873449fb tuned errors;
wenzelm
parents: 43682
diff changeset
   722
      Syntax.const (suffix updateN name) $ Abs (Name.uu_, dummyT, arg)
35147
wenzelm
parents: 35146
diff changeset
   723
  | field_update_tr t = raise TERM ("field_update_tr", [t]);
wenzelm
parents: 35146
diff changeset
   724
wenzelm
parents: 35146
diff changeset
   725
fun field_updates_tr (Const (@{syntax_const "_field_updates"}, _) $ t $ u) =
wenzelm
parents: 35146
diff changeset
   726
      field_update_tr t :: field_updates_tr u
wenzelm
parents: 35146
diff changeset
   727
  | field_updates_tr t = [field_update_tr t];
wenzelm
parents: 35146
diff changeset
   728
wenzelm
parents: 35146
diff changeset
   729
fun record_update_tr [t, u] = fold (curry op $) (field_updates_tr u) t
wenzelm
parents: 35146
diff changeset
   730
  | record_update_tr ts = raise TERM ("record_update_tr", ts);
wenzelm
parents: 35146
diff changeset
   731
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   732
in
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   733
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   734
val parse_translation =
35145
f132a4fd8679 moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents: 35144
diff changeset
   735
 [(@{syntax_const "_record_update"}, record_update_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   736
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   737
val advanced_parse_translation =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   738
 [(@{syntax_const "_record"}, record_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   739
  (@{syntax_const "_record_scheme"}, record_scheme_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   740
  (@{syntax_const "_record_type"}, record_type_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   741
  (@{syntax_const "_record_type_scheme"}, record_type_scheme_tr)];
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   742
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   743
end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   744
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   745
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   746
(* print translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   747
43682
6a71db864a91 record package: proper configuration options;
wenzelm
parents: 43681
diff changeset
   748
val type_abbr = Attrib.setup_config_bool @{binding record_type_abbr} (K true);
6a71db864a91 record package: proper configuration options;
wenzelm
parents: 43681
diff changeset
   749
val type_as_fields = Attrib.setup_config_bool @{binding record_type_as_fields} (K true);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   750
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   751
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   752
local
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   753
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   754
(* FIXME early extern (!??) *)
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   755
(* FIXME Syntax.free (??) *)
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   756
fun field_type_tr' (c, t) = Syntax.const @{syntax_const "_field_type"} $ Syntax.const c $ t;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   757
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   758
fun field_types_tr' (t, u) = Syntax.const @{syntax_const "_field_types"} $ t $ u;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   759
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   760
fun record_type_tr' ctxt t =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   761
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   762
    val thy = Proof_Context.theory_of ctxt;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   763
45427
fca432074fb2 sort assignment before simultaneous term_check, not isolated parse_term;
wenzelm
parents: 45424
diff changeset
   764
    val T = Syntax_Phases.decode_typ t;
45424
01d75cf04497 localized Record.decode_type: use standard Proof_Context.get_sort;
wenzelm
parents: 44653
diff changeset
   765
    val varifyT = varifyT (Term.maxidx_of_typ T + 1);
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   766
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   767
    fun strip_fields T =
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   768
      (case T of
35615
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   769
        Type (ext, args as _ :: _) =>
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   770
          (case try (unsuffix ext_typeN) ext of
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   771
            SOME ext' =>
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   772
              (case get_extfields thy ext' of
35615
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   773
                SOME (fields as (x, _) :: _) =>
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   774
                  (case get_fieldext thy x of
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   775
                    SOME (_, alphas) =>
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   776
                     (let
41489
8e2b8649507d standardized split_last/last_elem towards List.last;
wenzelm
parents: 40845
diff changeset
   777
                        val (f :: fs, _) = split_last fields;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   778
                        val fields' =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   779
                          apfst (Proof_Context.extern_const ctxt) f ::
42359
6ca5407863ed prefer local name spaces;
wenzelm
parents: 42358
diff changeset
   780
                            map (apfst Long_Name.base_name) fs;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   781
                        val (args', more) = split_last args;
41489
8e2b8649507d standardized split_last/last_elem towards List.last;
wenzelm
parents: 40845
diff changeset
   782
                        val alphavars = map varifyT (#1 (split_last alphas));
36159
bffb04bf4e83 more robust record syntax: use Type.raw_match to ignore sort constraints as in regular abbreviations (also note that constraints only affect operations, not types);
wenzelm
parents: 36153
diff changeset
   783
                        val subst = Type.raw_matches (alphavars, args') Vartab.empty;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   784
                        val fields'' = (map o apsnd) (Envir.norm_type subst o varifyT) fields';
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   785
                      in fields'' @ strip_fields more end
36159
bffb04bf4e83 more robust record syntax: use Type.raw_match to ignore sort constraints as in regular abbreviations (also note that constraints only affect operations, not types);
wenzelm
parents: 36153
diff changeset
   786
                      handle Type.TYPE_MATCH => [("", T)])
35615
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   787
                  | _ => [("", T)])
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   788
              | _ => [("", T)])
61bb9f8af129 record_type_tr': more robust strip_fields (printed types are not necessarily well-formed, e.g. in Syntax.pretty_arity);
wenzelm
parents: 35614
diff changeset
   789
          | _ => [("", T)])
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   790
      | _ => [("", T)]);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   791
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   792
    val (fields, (_, moreT)) = split_last (strip_fields T);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   793
    val _ = null fields andalso raise Match;
42247
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   794
    val u =
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   795
      foldr1 field_types_tr'
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   796
        (map (field_type_tr' o apsnd (Syntax_Phases.term_of_typ ctxt)) fields);
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   797
  in
43682
6a71db864a91 record package: proper configuration options;
wenzelm
parents: 43681
diff changeset
   798
    if not (Config.get ctxt type_as_fields) orelse null fields then raise Match
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   799
    else if moreT = HOLogic.unitT then Syntax.const @{syntax_const "_record_type"} $ u
42247
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   800
    else
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   801
      Syntax.const @{syntax_const "_record_type_scheme"} $ u $
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   802
        Syntax_Phases.term_of_typ ctxt moreT
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   803
  end;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   804
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   805
(*try to reconstruct the record name type abbreviation from
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   806
  the (nested) extension types*)
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   807
fun record_type_abbr_tr' abbr alphas zeta last_ext schemeT ctxt tm =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   808
  let
45427
fca432074fb2 sort assignment before simultaneous term_check, not isolated parse_term;
wenzelm
parents: 45424
diff changeset
   809
    val T = Syntax_Phases.decode_typ tm;
45424
01d75cf04497 localized Record.decode_type: use standard Proof_Context.get_sort;
wenzelm
parents: 44653
diff changeset
   810
    val varifyT = varifyT (maxidx_of_typ T + 1);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   811
36151
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   812
    fun mk_type_abbr subst name args =
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   813
      let val abbrT = Type (name, map (varifyT o TFree) args)
42247
12fe41a92cd5 typed_print_translation: discontinued show_sorts argument;
wenzelm
parents: 42245
diff changeset
   814
      in Syntax_Phases.term_of_typ ctxt (Envir.norm_type subst abbrT) end;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   815
36159
bffb04bf4e83 more robust record syntax: use Type.raw_match to ignore sort constraints as in regular abbreviations (also note that constraints only affect operations, not types);
wenzelm
parents: 36153
diff changeset
   816
    fun match rT T = Type.raw_match (varifyT rT, T) Vartab.empty;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   817
  in
43682
6a71db864a91 record package: proper configuration options;
wenzelm
parents: 43681
diff changeset
   818
    if Config.get ctxt type_abbr then
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   819
      (case last_extT T of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   820
        SOME (name, _) =>
35148
3a34fee2cfcd eliminated camel case;
wenzelm
parents: 35147
diff changeset
   821
          if name = last_ext then
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   822
            let val subst = match schemeT T in
36151
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   823
              if HOLogic.is_unitT (Envir.norm_type subst (varifyT (TFree zeta)))
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   824
              then mk_type_abbr subst abbr alphas
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   825
              else mk_type_abbr subst (suffix schemeN abbr) (alphas @ [zeta])
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   826
            end handle Type.TYPE_MATCH => record_type_tr' ctxt tm
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   827
          else raise Match (*give print translation of specialised record a chance*)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   828
      | _ => raise Match)
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   829
    else record_type_tr' ctxt tm
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   830
  end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   831
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   832
in
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   833
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   834
fun record_ext_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   835
  let
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   836
    val ext_type_name = Lexicon.mark_type (suffix ext_typeN name);
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   837
    fun tr' ctxt ts =
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   838
      record_type_tr' ctxt (list_comb (Syntax.const ext_type_name, ts));
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   839
  in (ext_type_name, tr') end;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   840
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   841
fun record_ext_type_abbr_tr' abbr alphas zeta last_ext schemeT name =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   842
  let
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   843
    val ext_type_name = Lexicon.mark_type (suffix ext_typeN name);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   844
    fun tr' ctxt ts =
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   845
      record_type_abbr_tr' abbr alphas zeta last_ext schemeT ctxt
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   846
        (list_comb (Syntax.const ext_type_name, ts));
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   847
  in (ext_type_name, tr') end;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   848
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   849
end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   850
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   851
35240
wenzelm
parents: 35239
diff changeset
   852
local
wenzelm
parents: 35239
diff changeset
   853
wenzelm
parents: 35239
diff changeset
   854
(* FIXME Syntax.free (??) *)
wenzelm
parents: 35239
diff changeset
   855
fun field_tr' (c, t) = Syntax.const @{syntax_const "_field"} $ Syntax.const c $ t;
wenzelm
parents: 35239
diff changeset
   856
fun fields_tr' (t, u) = Syntax.const @{syntax_const "_fields"} $ t $ u;
wenzelm
parents: 35239
diff changeset
   857
wenzelm
parents: 35239
diff changeset
   858
fun record_tr' ctxt t =
wenzelm
parents: 35239
diff changeset
   859
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   860
    val thy = Proof_Context.theory_of ctxt;
35240
wenzelm
parents: 35239
diff changeset
   861
wenzelm
parents: 35239
diff changeset
   862
    fun strip_fields t =
wenzelm
parents: 35239
diff changeset
   863
      (case strip_comb t of
wenzelm
parents: 35239
diff changeset
   864
        (Const (ext, _), args as (_ :: _)) =>
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   865
          (case try (Lexicon.unmark_const o unsuffix extN) ext of
35240
wenzelm
parents: 35239
diff changeset
   866
            SOME ext' =>
wenzelm
parents: 35239
diff changeset
   867
              (case get_extfields thy ext' of
wenzelm
parents: 35239
diff changeset
   868
                SOME fields =>
wenzelm
parents: 35239
diff changeset
   869
                 (let
41489
8e2b8649507d standardized split_last/last_elem towards List.last;
wenzelm
parents: 40845
diff changeset
   870
                    val (f :: fs, _) = split_last (map fst fields);
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   871
                    val fields' = Proof_Context.extern_const ctxt f :: map Long_Name.base_name fs;
35240
wenzelm
parents: 35239
diff changeset
   872
                    val (args', more) = split_last args;
wenzelm
parents: 35239
diff changeset
   873
                  in (fields' ~~ args') @ strip_fields more end
40722
441260986b63 make two copies (!) of Library.UnequalLengths coincide with ListPair.UnequalLengths;
wenzelm
parents: 40315
diff changeset
   874
                  handle ListPair.UnequalLengths => [("", t)])
35240
wenzelm
parents: 35239
diff changeset
   875
              | NONE => [("", t)])
wenzelm
parents: 35239
diff changeset
   876
          | NONE => [("", t)])
wenzelm
parents: 35239
diff changeset
   877
       | _ => [("", t)]);
wenzelm
parents: 35239
diff changeset
   878
wenzelm
parents: 35239
diff changeset
   879
    val (fields, (_, more)) = split_last (strip_fields t);
wenzelm
parents: 35239
diff changeset
   880
    val _ = null fields andalso raise Match;
wenzelm
parents: 35239
diff changeset
   881
    val u = foldr1 fields_tr' (map field_tr' fields);
wenzelm
parents: 35239
diff changeset
   882
  in
46046
05392bdd2286 tuned -- standard proofs by default;
wenzelm
parents: 46044
diff changeset
   883
    (case more of
35240
wenzelm
parents: 35239
diff changeset
   884
      Const (@{const_syntax Unity}, _) => Syntax.const @{syntax_const "_record"} $ u
46046
05392bdd2286 tuned -- standard proofs by default;
wenzelm
parents: 46044
diff changeset
   885
    | _ => Syntax.const @{syntax_const "_record_scheme"} $ u $ more)
35240
wenzelm
parents: 35239
diff changeset
   886
  end;
wenzelm
parents: 35239
diff changeset
   887
wenzelm
parents: 35239
diff changeset
   888
in
wenzelm
parents: 35239
diff changeset
   889
wenzelm
parents: 35239
diff changeset
   890
fun record_ext_tr' name =
wenzelm
parents: 35239
diff changeset
   891
  let
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   892
    val ext_name = Lexicon.mark_const (name ^ extN);
35240
wenzelm
parents: 35239
diff changeset
   893
    fun tr' ctxt ts = record_tr' ctxt (list_comb (Syntax.const ext_name, ts));
wenzelm
parents: 35239
diff changeset
   894
  in (ext_name, tr') end;
wenzelm
parents: 35239
diff changeset
   895
wenzelm
parents: 35239
diff changeset
   896
end;
wenzelm
parents: 35239
diff changeset
   897
wenzelm
parents: 35239
diff changeset
   898
wenzelm
parents: 35239
diff changeset
   899
local
wenzelm
parents: 35239
diff changeset
   900
41578
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   901
fun dest_update ctxt c =
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   902
  (case try Lexicon.unmark_const c of
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   903
    SOME d => try (unsuffix updateN) (Proof_Context.extern_const ctxt d)
41578
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   904
  | NONE => NONE);
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   905
35240
wenzelm
parents: 35239
diff changeset
   906
fun field_updates_tr' ctxt (tm as Const (c, _) $ k $ u) =
41578
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   907
      (case dest_update ctxt c of
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   908
        SOME name =>
42284
326f57825e1a explicit structure Syntax_Trans;
wenzelm
parents: 42247
diff changeset
   909
          (case try Syntax_Trans.const_abs_tr' k of
42086
74bf78db0d87 added Syntax.const_abs_tr' with proper eta_abs and Term.is_dependent;
wenzelm
parents: 41928
diff changeset
   910
            SOME t =>
74bf78db0d87 added Syntax.const_abs_tr' with proper eta_abs and Term.is_dependent;
wenzelm
parents: 41928
diff changeset
   911
              apfst (cons (Syntax.const @{syntax_const "_field_update"} $ Syntax.free name $ t))
74bf78db0d87 added Syntax.const_abs_tr' with proper eta_abs and Term.is_dependent;
wenzelm
parents: 41928
diff changeset
   912
                (field_updates_tr' ctxt u)
74bf78db0d87 added Syntax.const_abs_tr' with proper eta_abs and Term.is_dependent;
wenzelm
parents: 41928
diff changeset
   913
          | NONE => ([], tm))
41578
f5e7f6712815 recovered printing of record updates over compound terms, e.g. "(|x = a|)(|x := b|)", which was apparently broken in 45a2ffc5911e;
wenzelm
parents: 41577
diff changeset
   914
      | NONE => ([], tm))
35240
wenzelm
parents: 35239
diff changeset
   915
  | field_updates_tr' _ tm = ([], tm);
wenzelm
parents: 35239
diff changeset
   916
wenzelm
parents: 35239
diff changeset
   917
fun record_update_tr' ctxt tm =
wenzelm
parents: 35239
diff changeset
   918
  (case field_updates_tr' ctxt tm of
wenzelm
parents: 35239
diff changeset
   919
    ([], _) => raise Match
wenzelm
parents: 35239
diff changeset
   920
  | (ts, u) =>
wenzelm
parents: 35239
diff changeset
   921
      Syntax.const @{syntax_const "_record_update"} $ u $
wenzelm
parents: 35239
diff changeset
   922
        foldr1 (fn (v, w) => Syntax.const @{syntax_const "_field_updates"} $ v $ w) (rev ts));
wenzelm
parents: 35239
diff changeset
   923
wenzelm
parents: 35239
diff changeset
   924
in
wenzelm
parents: 35239
diff changeset
   925
wenzelm
parents: 35239
diff changeset
   926
fun field_update_tr' name =
wenzelm
parents: 35239
diff changeset
   927
  let
42290
b1f544c84040 discontinued special treatment of structure Lexicon;
wenzelm
parents: 42284
diff changeset
   928
    val update_name = Lexicon.mark_const (name ^ updateN);
35240
wenzelm
parents: 35239
diff changeset
   929
    fun tr' ctxt [t, u] = record_update_tr' ctxt (Syntax.const update_name $ t $ u)
wenzelm
parents: 35239
diff changeset
   930
      | tr' _ _ = raise Match;
wenzelm
parents: 35239
diff changeset
   931
  in (update_name, tr') end;
wenzelm
parents: 35239
diff changeset
   932
wenzelm
parents: 35239
diff changeset
   933
end;
wenzelm
parents: 35239
diff changeset
   934
wenzelm
parents: 35239
diff changeset
   935
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   936
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   937
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
   938
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   939
fun is_sel_upd_pair thy (Const (s, _)) (Const (u, t')) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   940
  (case get_updates thy u of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   941
    SOME u_name => u_name = s
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   942
  | NONE => raise TERM ("is_sel_upd_pair: not update", [Const (u, t')]));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   943
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   944
fun mk_comp_id f =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   945
  let val T = range_type (fastype_of f)
40845
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   946
  in HOLogic.mk_comp (Const (@{const_name Fun.id}, T --> T), f) end;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   947
32752
f65d74a264dd Initial response to feedback from Norbert, Makarius on record patch
tsewell@rubicon.NSW.bigpond.net.au
parents: 32749
diff changeset
   948
fun get_upd_funs (upd $ _ $ t) = upd :: get_upd_funs t
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   949
  | get_upd_funs _ = [];
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   950
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
   951
fun get_accupd_simps thy term defset =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   952
  let
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   953
    val (acc, [body]) = strip_comb term;
35408
b48ab741683b modernized structure Term_Ord;
wenzelm
parents: 35363
diff changeset
   954
    val upd_funs = sort_distinct Term_Ord.fast_term_ord (get_upd_funs body);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   955
    fun get_simp upd =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   956
      let
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
   957
        (* FIXME fresh "f" (!?) *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   958
        val T = domain_type (fastype_of upd);
40845
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   959
        val lhs = HOLogic.mk_comp (acc, upd $ Free ("f", T));
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   960
        val rhs =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   961
          if is_sel_upd_pair thy acc upd
40845
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   962
          then HOLogic.mk_comp (Free ("f", T), acc)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   963
          else mk_comp_id acc;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   964
        val prop = lhs === rhs;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   965
        val othm =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   966
          Goal.prove (Proof_Context.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   967
            (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
   968
              simp_tac defset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
   969
              REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
46043
wenzelm
parents: 45836
diff changeset
   970
              TRY (simp_tac (HOL_ss addsimps @{thms id_apply id_o o_id}) 1));
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   971
        val dest =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   972
          if is_sel_upd_pair thy acc upd
46043
wenzelm
parents: 45836
diff changeset
   973
          then @{thm o_eq_dest}
wenzelm
parents: 45836
diff changeset
   974
          else @{thm o_eq_id_dest};
35021
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34151
diff changeset
   975
      in Drule.export_without_context (othm RS dest) end;
32752
f65d74a264dd Initial response to feedback from Norbert, Makarius on record patch
tsewell@rubicon.NSW.bigpond.net.au
parents: 32749
diff changeset
   976
  in map get_simp upd_funs end;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   977
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
   978
fun get_updupd_simp thy defset u u' comp =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   979
  let
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
   980
    (* FIXME fresh "f" (!?) *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   981
    val f = Free ("f", domain_type (fastype_of u));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   982
    val f' = Free ("f'", domain_type (fastype_of u'));
40845
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   983
    val lhs = HOLogic.mk_comp (u $ f, u' $ f');
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   984
    val rhs =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   985
      if comp
40845
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   986
      then u $ HOLogic.mk_comp (f, f')
15b97bd4b5c0 just one HOLogic.mk_comp;
wenzelm
parents: 40844
diff changeset
   987
      else HOLogic.mk_comp (u' $ f', u $ f);
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   988
    val prop = lhs === rhs;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   989
    val othm =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
   990
      Goal.prove (Proof_Context.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   991
        (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
   992
          simp_tac defset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
   993
          REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
46043
wenzelm
parents: 45836
diff changeset
   994
          TRY (simp_tac (HOL_ss addsimps @{thms id_apply}) 1));
wenzelm
parents: 45836
diff changeset
   995
    val dest = if comp then @{thm o_eq_dest_lhs} else @{thm o_eq_dest};
35021
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34151
diff changeset
   996
  in Drule.export_without_context (othm RS dest) end;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   997
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
   998
fun get_updupd_simps thy term defset =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   999
  let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1000
    val upd_funs = get_upd_funs term;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1001
    val cname = fst o dest_Const;
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1002
    fun getswap u u' = get_updupd_simp thy defset u u' (cname u = cname u');
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1003
    fun build_swaps_to_eq _ [] swaps = swaps
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1004
      | build_swaps_to_eq upd (u :: us) swaps =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1005
          let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1006
            val key = (cname u, cname upd);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1007
            val newswaps =
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
  1008
              if Symreltab.defined swaps key then swaps
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
  1009
              else Symreltab.insert (K true) (key, getswap u upd) swaps;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1010
          in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1011
            if cname u = cname upd then newswaps
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1012
            else build_swaps_to_eq upd us newswaps
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1013
          end;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1014
    fun swaps_needed [] _ _ swaps = map snd (Symreltab.dest swaps)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1015
      | swaps_needed (u :: us) prev seen swaps =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1016
          if Symtab.defined seen (cname u)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1017
          then swaps_needed us prev seen (build_swaps_to_eq u prev swaps)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1018
          else swaps_needed us (u :: prev) (Symtab.insert (K true) (cname u, ()) seen) swaps;
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
  1019
  in swaps_needed upd_funs [] Symtab.empty Symreltab.empty end;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1020
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1021
val named_cterm_instantiate = Iso_Tuple_Support.named_cterm_instantiate;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1022
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1023
fun prove_unfold_defs thy ex_simps ex_simprs prop =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1024
  let
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1025
    val defset = get_sel_upd_defs thy;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1026
    val prop' = Envir.beta_eta_contract prop;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1027
    val (lhs, _) = Logic.dest_equals (Logic.strip_assums_concl prop');
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1028
    val (_, args) = strip_comb lhs;
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1029
    val simps = (if length args = 1 then get_accupd_simps else get_updupd_simps) thy lhs defset;
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1030
  in
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
  1031
    Goal.prove (Proof_Context.init_global thy) [] [] prop'
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1032
      (fn _ =>
46043
wenzelm
parents: 45836
diff changeset
  1033
        simp_tac (HOL_basic_ss addsimps (simps @ @{thms K_record_comp})) 1 THEN
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1034
        TRY (simp_tac (HOL_basic_ss addsimps ex_simps addsimprocs ex_simprs) 1))
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
  1035
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1036
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
  1037
15059
schirmer
parents: 15058
diff changeset
  1038
local
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1039
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1040
fun eq (s1: string) (s2: string) = (s1 = s2);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1041
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
  1042
fun has_field extfields f T =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1043
  exists (fn (eN, _) => exists (eq f o fst) (Symtab.lookup_list extfields eN)) (dest_recTs T);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1044
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1045
fun K_skeleton n (T as Type (_, [_, kT])) (b as Bound i) (Abs (x, xT, t)) =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1046
      if null (loose_bnos t) then ((n, kT), (Abs (x, xT, Bound (i + 1)))) else ((n, T), b)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1047
  | K_skeleton n T b _ = ((n, T), b);
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1048
15059
schirmer
parents: 15058
diff changeset
  1049
in
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1050
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
  1051
(* simproc *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1052
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1053
(*
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1054
  Simplify selections of an record update:
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1055
    (1)  S (S_update k r) = k (S r)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1056
    (2)  S (X_update k r) = S r
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1057
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1058
  The simproc skips multiple updates at once, eg:
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1059
   S (X_update x (Y_update y (S_update k r))) = k (S r)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1060
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1061
  But be careful in (2) because of the extensibility of records.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1062
  - If S is a more-selector we have to make sure that the update on component
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1063
    X does not affect the selected subrecord.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1064
  - If X is a more-selector we have to make sure that S is not in the updated
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1065
    subrecord.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1066
*)
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
  1067
val simproc =
38715
6513ea67d95d renamed Simplifier.simproc(_i) to Simplifier.simproc_global(_i) to emphasize that this is not the real thing;
wenzelm
parents: 38544
diff changeset
  1068
  Simplifier.simproc_global @{theory HOL} "record_simp" ["x"]
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1069
    (fn thy => fn _ => fn t =>
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1070
      (case t of
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1071
        (sel as Const (s, Type (_, [_, rangeS]))) $
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1072
            ((upd as Const (u, Type (_, [_, Type (_, [rT, _])]))) $ k $ r) =>
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1073
          if is_selector thy s andalso is_some (get_updates thy u) then
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1074
            let
38758
f2cfb2cc03e8 misc tuning and simplification, notably theory data;
wenzelm
parents: 38715
diff changeset
  1075
              val {sel_upd = {updates, ...}, extfields, ...} = Data.get thy;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1076
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1077
              fun mk_eq_terms ((upd as Const (u, Type(_, [kT, _]))) $ k $ r) =
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1078
                    (case Symtab.lookup updates u of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1079
                      NONE => NONE
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1080
                    | SOME u_name =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1081
                        if u_name = s then
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1082
                          (case mk_eq_terms r of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1083
                            NONE =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1084
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1085
                                val rv = ("r", rT);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1086
                                val rb = Bound 0;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1087
                                val (kv, kb) = K_skeleton "k" kT (Bound 1) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1088
                              in SOME (upd $ kb $ rb, kb $ (sel $ rb), [kv, rv]) end
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1089
                          | SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1090
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1091
                                val (kv, kb) = K_skeleton "k" kT (Bound (length vars)) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1092
                              in SOME (upd $ kb $ trm, kb $ trm', kv :: vars) end)
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1093
                        else if has_field extfields u_name rangeS orelse
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1094
                          has_field extfields s (domain_type kT) then NONE
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1095
                        else
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1096
                          (case mk_eq_terms r of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1097
                            SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1098
                              let val (kv, kb) = K_skeleton "k" kT (Bound (length vars)) k
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1099
                              in SOME (upd $ kb $ trm, trm', kv :: vars) end
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1100
                          | NONE =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1101
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1102
                                val rv = ("r", rT);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1103
                                val rb = Bound 0;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1104
                                val (kv, kb) = K_skeleton "k" kT (Bound 1) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1105
                              in SOME (upd $ kb $ rb, sel $ rb, [kv, rv]) end))
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1106
                | mk_eq_terms _ = NONE;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1107
            in
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1108
              (case mk_eq_terms (upd $ k $ r) of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1109
                SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1110
                  SOME
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1111
                    (prove_unfold_defs thy [] []
46218
ecf6375e2abb renamed Term.list_all to Logic.list_all, in accordance to HOLogic.list_all;
wenzelm
parents: 46215
diff changeset
  1112
                      (Logic.list_all (vars, Logic.mk_equals (sel $ trm, trm'))))
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1113
              | NONE => NONE)
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1114
            end
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1115
          else NONE
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1116
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1117
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1118
fun get_upd_acc_cong_thm upd acc thy simpset =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1119
  let
38401
c4de81b7fdec avoid variable name acc (cf. cs. 3142c1e21a0e)
haftmann
parents: 38252
diff changeset
  1120
    val insts = [("upd", cterm_of thy upd), ("ac", cterm_of thy acc)];
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1121
    val prop = Thm.concl_of (named_cterm_instantiate insts updacc_cong_triv);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1122
  in
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42359
diff changeset
  1123
    Goal.prove (Proof_Context.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1124
      (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1125
        simp_tac simpset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1126
        REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1127
        TRY (resolve_tac [updacc_cong_idI] 1))
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1128
  end;
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1129
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1130
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
  1131
(* upd_simproc *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1132
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1133
(*Simplify multiple updates:
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1134
    (1) "N_update y (M_update g (N_update x (M_update f r))) =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1135
          (N_update (y o x) (M_update (g o f) r))"
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1136
    (2)  "r(|M:= M r|) = r"
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1137
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1138
  In both cases "more" updates complicate matters: for this reason
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1139
  we omit considering further updates if doing so would introduce
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1140
  both a more update and an update to a field within it.*)
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
  1141
val upd_simproc =
38715
6513ea67d95d renamed Simplifier.simproc(_i) to Simplifier.simproc_global(_i) to emphasize that this is not the real thing;
wenzelm
parents: 38544
diff changeset
  1142
  Simplifier.simproc_global @{theory HOL} "record_upd_simp" ["x"]
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1143
    (fn thy => fn _ => fn t =>
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1144
      let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1145
        (*We can use more-updators with other updators as long
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1146
          as none of the other updators go deeper than any more
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1147
          updator. min here is the depth of the deepest other
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1148
          updator, max the depth of the shallowest more updator.*)
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1149
        fun include_depth (dep, true) (min, max) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1150
              if min <= dep
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1151
              then SOME (min, if dep <= max orelse max = ~1 then dep else max)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1152
              else NONE
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1153
          | include_depth (dep, false) (min, max) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1154
              if dep <= max orelse max = ~1
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1155
              then SOME (if min <= dep then dep else min, max)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1156
              else NONE;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1157
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1158
        fun getupdseq (term as (upd as Const (u, _)) $ f $ tm) min max =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1159
              (case get_update_details u thy of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1160
                SOME (s, dep, ismore) =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1161
                  (case include_depth (dep, ismore) (min, max) of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1162
                    SOME (min', max') =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1163
                      let val (us, bs, _) = getupdseq tm min' max'
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1164
                      in ((upd, s, f) :: us, bs, fastype_of term) end
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1165
                  | NONE => ([], term, HOLogic.unitT))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1166
              | NONE => ([], term, HOLogic.unitT))
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1167
          | getupdseq term _ _ = ([], term, HOLogic.unitT);
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1168
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1169
        val (upds, base, baseT) = getupdseq t 0 ~1;
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1170
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1171
        fun is_upd_noop s (Abs (n, T, Const (s', T') $ tm')) tm =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1172
              if s = s' andalso null (loose_bnos tm')
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1173
                andalso subst_bound (HOLogic.unit, tm') = tm
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1174
              then (true, Abs (n, T, Const (s', T') $ Bound 1))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1175
              else (false, HOLogic.unit)
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1176
          | is_upd_noop _ _ _ = (false, HOLogic.unit);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1177
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1178
        fun get_noop_simps (upd as Const _) (Abs (_, _, (acc as Const _) $ _)) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1179
          let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1180
            val ss = get_sel_upd_defs thy;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1181
            val uathm = get_upd_acc_cong_thm upd acc thy ss;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1182
          in
35021
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34151
diff changeset
  1183
           [Drule.export_without_context (uathm RS updacc_noopE),
c839a4c670c6 renamed old-style Drule.standard to Drule.export_without_context, to emphasize that this is in no way a standard operation;
wenzelm
parents: 34151
diff changeset
  1184
            Drule.export_without_context (uathm RS updacc_noop_compE)]
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1185
          end;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1186
32974
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1187
        (*If f is constant then (f o g) = f.  We know that K_skeleton
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1188
          only returns constant abstractions thus when we see an
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1189
          abstraction we can discard inner updates.*)
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1190
        fun add_upd (f as Abs _) fs = [f]
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1191
          | add_upd f fs = (f :: fs);
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1192
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1193
        (*mk_updterm returns
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1194
          (orig-term-skeleton, simplified-skeleton,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1195
            variables, duplicate-updates, simp-flag, noop-simps)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1196
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1197
          where duplicate-updates is a table used to pass upward
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1198
          the list of update functions which can be composed
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1199
          into an update above them, simp-flag indicates whether
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1200
          any simplification was achieved, and noop-simps are
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1201
          used for eliminating case (2) defined above*)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1202
        fun mk_updterm ((upd as Const (u, T), s, f) :: upds) above term =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1203
              let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1204
                val (lhs, rhs, vars, dups, simp, noops) =
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1205
                  mk_updterm upds (Symtab.update (u, ()) above) term;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1206
                val (fvar, skelf) =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1207
                  K_skeleton (Long_Name.base_name s) (domain_type T) (Bound (length vars)) f;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1208
                val (isnoop, skelf') = is_upd_noop s f term;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1209
                val funT = domain_type T;
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1210
                fun mk_comp_local (f, f') =
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1211
                  Const (@{const_name Fun.comp}, funT --> funT --> funT) $ f $ f';
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1212
              in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1213
                if isnoop then
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1214
                  (upd $ skelf' $ lhs, rhs, vars,
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1215
                    Symtab.update (u, []) dups, true,
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1216
                    if Symtab.defined noops u then noops
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1217
                    else Symtab.update (u, get_noop_simps upd skelf') noops)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1218
                else if Symtab.defined above u then
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1219
                  (upd $ skelf $ lhs, rhs, fvar :: vars,
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1220
                    Symtab.map_default (u, []) (add_upd skelf) dups,
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1221
                    true, noops)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1222
                else
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1223
                  (case Symtab.lookup dups u of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1224
                    SOME fs =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1225
                     (upd $ skelf $ lhs,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1226
                      upd $ foldr1 mk_comp_local (add_upd skelf fs) $ rhs,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1227
                      fvar :: vars, dups, true, noops)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1228
                  | NONE => (upd $ skelf $ lhs, upd $ skelf $ rhs, fvar :: vars, dups, simp, noops))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1229
              end
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1230
          | mk_updterm [] _ _ =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1231
              (Bound 0, Bound 0, [("r", baseT)], Symtab.empty, false, Symtab.empty)
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1232
          | mk_updterm us _ _ = raise TERM ("mk_updterm match", map (fn (x, _, _) => x) us);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1233
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1234
        val (lhs, rhs, vars, _, simp, noops) = mk_updterm upds Symtab.empty base;
32952
aeb1e44fbc19 replaced String.concat by implode;
wenzelm
parents: 32809
diff changeset
  1235
        val noops' = maps snd (Symtab.dest noops);
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1236
      in
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1237
        if simp then
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1238
          SOME
38012
3ca193a6ae5a delete structure Basic_Record; avoid `record` in names in structure Record
haftmann
parents: 37781
diff changeset
  1239
            (prove_unfold_defs thy noops' [simproc]
46218
ecf6375e2abb renamed Term.list_all to Logic.list_all, in accordance to HOLogic.list_all;
wenzelm
parents: 46215
diff changeset
  1240
              (Logic.list_all (vars, Logic.mk_equals (lhs, rhs))))
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1241
        else NONE
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1242
      end);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1243
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1244
end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
<