src/HOL/Tools/record.ML
author haftmann
Thu, 08 Jul 2010 16:19:24 +0200
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child 37781 2fbbf0a48cef
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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 BASIC_RECORD =
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sig
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  type record_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_record: theory -> string -> record_info option
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  val the_record: theory -> string -> record_info
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  val record_simproc: simproc
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  val record_eq_simproc: simproc
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  val record_upd_simproc: simproc
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  val record_split_simproc: (term -> int) -> simproc
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  val record_ex_sel_eq_simproc: simproc
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  val record_split_tac: int -> tactic
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  val record_split_simp_tac: thm list -> (term -> int) -> int -> tactic
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  val record_split_name: string
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  val record_split_wrapper: string * wrapper
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  val print_record_type_abbr: bool Unsynchronized.ref
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  val print_record_type_as_fields: bool Unsynchronized.ref
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end;
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signature RECORD =
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sig
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  include BASIC_RECORD
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  val timing: bool Unsynchronized.ref
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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 makeN: string
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  val moreN: string
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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 print_records: theory -> unit
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  val read_typ: Proof.context -> string -> (string * sort) list -> typ * (string * sort) list
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  val cert_typ: Proof.context -> typ -> (string * sort) list -> typ * (string * sort) list
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  val add_record: bool -> (string * sort) list * binding -> (typ list * string) option ->
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    (binding * typ * mixfix) list -> theory -> theory
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  val add_record_cmd: bool -> (string * string option) list * binding -> string option ->
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    (binding * string * mixfix) list -> theory -> theory
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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 =
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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 do_typedef b repT alphas thy =
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  let
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    val (b_constr, b_proj) = (Binding.prefix_name "make_" b, Binding.prefix_name "dest_" b);
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    fun get_thms thy tyco =
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      let
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        val SOME { vs, constr, typ = repT, proj_inject, proj_constr, ... } =
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          Typecopy.get_info thy tyco;
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        val absT = Type (tyco, map TFree vs);
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      in
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        ((proj_inject, proj_constr), Const (constr, repT --> absT), absT)
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      end;
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  in
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    thy
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    |> Typecopy.typecopy (b, alphas) repT b_constr b_proj
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    |-> (fn (tyco, _) => `(fn thy => get_thms thy tyco))
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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 ((isom_binding, isomT), NoSyn) |> snd
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      |> PureThy.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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      |> Code.add_default_eqn isom_def;
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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 eq_reflection = @{thm eq_reflection};
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val atomize_all = @{thm HOL.atomize_all};
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val atomize_imp = @{thm HOL.atomize_imp};
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val meta_allE = @{thm Pure.meta_allE};
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val prop_subst = @{thm prop_subst};
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val K_record_comp = @{thm K_record_comp};
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val K_comp_convs = [@{thm o_apply}, K_record_comp];
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val o_assoc = @{thm o_assoc};
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val id_apply = @{thm id_apply};
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val id_o_apps = [@{thm id_apply}, @{thm id_o}, @{thm o_id}];
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val Not_eq_iff = @{thm Not_eq_iff};
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val refl_conj_eq = @{thm refl_conj_eq};
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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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val o_eq_dest = @{thm o_eq_dest};
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val o_eq_id_dest = @{thm o_eq_id_dest};
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val o_eq_dest_lhs = @{thm o_eq_dest_lhs};
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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_type";
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val inner_typeN = "_inner_type";
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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 but_last xs = fst (split_last xs);
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fun varifyT midx =
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  let fun varify (a, S) = TVar ((a, midx + 1), S);
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  in map_type_tfree varify end;
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(* timing *)
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val timing = Unsynchronized.ref false;
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fun timeit_msg s x = if ! timing then (warning s; timeit x) else x ();
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fun timing_msg s = if ! timing then warning s else ();
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(* syntax *)
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val Trueprop = HOLogic.mk_Trueprop;
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fun All xs t = Term.list_all_free (xs, t);
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infix 0 :== ===;
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infixr 0 ==>;
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val op :== = OldGoals.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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haftmann
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    val rTs' = if i < 0 then rTs else take i rTs;
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  in implode (map #1 rTs') end;
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(*** extend theory by record definition ***)
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(** record info **)
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(* type record_info and parent_info *)
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type record_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,
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  ext_inject: thm,
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  ext_surjective: thm,
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   353
  ext_split: thm,
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   354
  ext_def: thm,
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   355
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  select_convs: thm list,
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  update_convs: thm list,
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   358
  select_defs: thm list,
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  update_defs: thm list,
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  fold_congs: thm list,
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  unfold_congs: thm list,
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  splits: thm list,
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   363
  defs: thm list,
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   364
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  surjective: thm,
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  equality: thm,
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  induct_scheme: thm,
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  induct: thm,
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  cases_scheme: thm,
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   370
  cases: thm,
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  simps: thm list,
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   373
  iffs: thm list};
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   374
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   375
fun make_record_info args parent fields extension
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   376
    ext_induct ext_inject ext_surjective ext_split ext_def
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   377
    select_convs update_convs select_defs update_defs fold_congs unfold_congs splits defs
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    surjective equality induct_scheme induct cases_scheme cases
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    simps iffs : record_info =
17261
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 {args = args, parent = parent, fields = fields, extension = extension,
35138
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   381
  ext_induct = ext_induct, ext_inject = ext_inject, ext_surjective = ext_surjective,
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   382
  ext_split = ext_split, ext_def = ext_def, select_convs = select_convs,
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wenzelm
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   383
  update_convs = update_convs, select_defs = select_defs, update_defs = update_defs,
ad213c602ec1 refined and exported record_info;
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   384
  fold_congs = fold_congs, unfold_congs = unfold_congs, splits = splits, defs = defs,
ad213c602ec1 refined and exported record_info;
wenzelm
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   385
  surjective = surjective, equality = equality, induct_scheme = induct_scheme,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   386
  induct = induct, cases_scheme = cases_scheme, cases = cases, simps = simps, iffs = iffs};
4867
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parents:
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wenzelm
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   388
type parent_info =
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parents:
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   389
 {name: string,
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
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   390
  fields: (string * typ) list,
14700
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diff changeset
   391
  extension: (string * typ list),
35138
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wenzelm
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diff changeset
   392
  induct_scheme: thm,
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   393
  ext_def: thm};
ad213c602ec1 refined and exported record_info;
wenzelm
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diff changeset
   394
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   395
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
diff changeset
   396
 {name = name, fields = fields, extension = extension,
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   397
  ext_def = ext_def, induct_scheme = induct_scheme};
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   398
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   399
fb79144af9a3 simplified DataFun interfaces;
wenzelm
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diff changeset
   400
(* theory data *)
5001
9de7fda0a6df accomodate tuned version of theory data;
wenzelm
parents: 4970
diff changeset
   401
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   402
type record_data =
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   403
 {records: record_info Symtab.table,
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   404
  sel_upd:
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   405
   {selectors: (int * bool) Symtab.table,
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   406
    updates: string Symtab.table,
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   407
    simpset: Simplifier.simpset,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   408
    defset: Simplifier.simpset,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   409
    foldcong: Simplifier.simpset,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   410
    unfoldcong: Simplifier.simpset},
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   411
  equalities: thm Symtab.table,
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   412
  extinjects: thm list,
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   413
  extsplit: thm Symtab.table,  (*maps extension name to split rule*)
35135
1667fd3b051d tuned errors;
wenzelm
parents: 35133
diff changeset
   414
  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
   415
  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
   416
  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
   417
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   418
fun make_record_data
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   419
    records sel_upd equalities extinjects extsplit splits extfields fieldext =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   420
 {records = records, sel_upd = sel_upd,
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   421
  equalities = equalities, extinjects=extinjects, extsplit = extsplit, splits = splits,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   422
  extfields = extfields, fieldext = fieldext }: record_data;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   423
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   424
structure Records_Data = Theory_Data
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   425
(
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   426
  type T = record_data;
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   427
  val empty =
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   428
    make_record_data Symtab.empty
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   429
      {selectors = Symtab.empty, updates = Symtab.empty,
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   430
          simpset = HOL_basic_ss, defset = HOL_basic_ss,
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   431
          foldcong = HOL_basic_ss, unfoldcong = HOL_basic_ss}
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   432
       Symtab.empty [] Symtab.empty Symtab.empty Symtab.empty Symtab.empty;
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   433
  val extend = I;
33522
737589bb9bb8 adapted Theory_Data;
wenzelm
parents: 33385
diff changeset
   434
  fun merge
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   435
   ({records = recs1,
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   436
     sel_upd =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   437
      {selectors = sels1, updates = upds1,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   438
       simpset = ss1, defset = ds1,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   439
       foldcong = fc1, unfoldcong = uc1},
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   440
     equalities = equalities1,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   441
     extinjects = extinjects1,
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   442
     extsplit = extsplit1,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   443
     splits = splits1,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   444
     extfields = extfields1,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   445
     fieldext = fieldext1},
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   446
    {records = recs2,
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   447
     sel_upd =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   448
      {selectors = sels2, updates = upds2,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   449
       simpset = ss2, defset = ds2,
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   450
       foldcong = fc2, unfoldcong = uc2},
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   451
     equalities = equalities2,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   452
     extinjects = extinjects2,
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   453
     extsplit = extsplit2,
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   454
     splits = splits2,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   455
     extfields = extfields2,
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   456
     fieldext = fieldext2}) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   457
    make_record_data
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   458
      (Symtab.merge (K true) (recs1, recs2))
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   459
      {selectors = Symtab.merge (K true) (sels1, sels2),
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   460
        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
   461
        simpset = Simplifier.merge_ss (ss1, ss2),
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   462
        defset = Simplifier.merge_ss (ds1, ds2),
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   463
        foldcong = Simplifier.merge_ss (fc1, fc2),
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
   464
        unfoldcong = Simplifier.merge_ss (uc1, uc2)}
22634
399e4b4835da canonical merge operations
haftmann
parents: 22596
diff changeset
   465
      (Symtab.merge Thm.eq_thm_prop (equalities1, equalities2))
33522
737589bb9bb8 adapted Theory_Data;
wenzelm
parents: 33385
diff changeset
   466
      (Thm.merge_thms (extinjects1, extinjects2))
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   467
      (Symtab.merge Thm.eq_thm_prop (extsplit1, extsplit2))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   468
      (Symtab.merge (fn ((a, b, c, d), (w, x, y, z)) =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   469
          Thm.eq_thm (a, w) andalso Thm.eq_thm (b, x) andalso
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   470
          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
   471
      (Symtab.merge (K true) (extfields1, extfields2))
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   472
      (Symtab.merge (K true) (fieldext1, fieldext2));
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   473
);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   474
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   475
fun print_records thy =
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   476
  let
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   477
    val {records = recs, ...} = Records_Data.get thy;
26943
aec0d97a01c4 moved global pretty/string_of functions from Sign to Syntax;
wenzelm
parents: 26626
diff changeset
   478
    val prt_typ = Syntax.pretty_typ_global thy;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   479
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   480
    fun pretty_parent NONE = []
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   481
      | pretty_parent (SOME (Ts, name)) =
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   482
          [Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   483
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   484
    fun pretty_field (c, T) = Pretty.block
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   485
      [Pretty.str (Sign.extern_const thy c), Pretty.str " ::",
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   486
        Pretty.brk 1, Pretty.quote (prt_typ T)];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   487
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   488
    fun pretty_record (name, {args, parent, fields, ...}: record_info) =
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   489
      Pretty.block (Pretty.fbreaks (Pretty.block
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   490
        [prt_typ (Type (name, map TFree args)), Pretty.str " = "] ::
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   491
        pretty_parent parent @ map pretty_field fields));
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   492
  in map pretty_record (Symtab.dest recs) |> Pretty.chunks |> Pretty.writeln end;
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   493
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   494
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   495
(* access 'records' *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   496
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   497
val get_record = Symtab.lookup o #records o Records_Data.get;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   498
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   499
fun the_record thy name =
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   500
  (case get_record thy name of
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   501
    SOME info => info
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   502
  | NONE => error ("Unknown record type " ^ quote name));
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   503
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   504
fun put_record name info thy =
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   505
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   506
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   507
      Records_Data.get thy;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   508
    val data = make_record_data (Symtab.update (name, info) records)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   509
      sel_upd equalities extinjects extsplit splits extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   510
  in Records_Data.put data thy end;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   511
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   512
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   513
(* access 'sel_upd' *)
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   514
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   515
val get_sel_upd = #sel_upd o Records_Data.get;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   516
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
   517
val is_selector = Symtab.defined o #selectors o get_sel_upd;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   518
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
   519
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
   520
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   521
val get_simpset = get_ss_with_context #simpset;
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
   522
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
   523
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   524
fun get_update_details u thy =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   525
  let val sel_upd = get_sel_upd thy in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   526
    (case Symtab.lookup (#updates sel_upd) u of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   527
      SOME s =>
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   528
        let val SOME (dep, ismore) = Symtab.lookup (#selectors sel_upd) s
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   529
        in SOME (s, dep, ismore) end
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   530
    | NONE => NONE)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   531
  end;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   532
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   533
fun put_sel_upd names more depth simps defs (folds, unfolds) thy =
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   534
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   535
    val all = names @ [more];
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   536
    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
   537
    val upds = map (suffix updateN) all ~~ all;
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   538
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   539
    val {records, sel_upd = {selectors, updates, simpset, defset, foldcong, unfoldcong},
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   540
      equalities, extinjects, extsplit, splits, extfields, fieldext} = Records_Data.get thy;
32744
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   541
    val data = make_record_data records
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   542
      {selectors = fold Symtab.update_new sels selectors,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   543
        updates = fold Symtab.update_new upds updates,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   544
        simpset = Simplifier.addsimps (simpset, simps),
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   545
        defset = Simplifier.addsimps (defset, defs),
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   546
        foldcong = foldcong addcongs folds,
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   547
        unfoldcong = unfoldcong addcongs unfolds}
50406c4951d9 Record patch imported and working.
Thomas Sewell <tsewell@nicta.com.au>
parents: 32743
diff changeset
   548
       equalities extinjects extsplit splits extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   549
  in Records_Data.put data thy end;
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   550
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   551
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   552
(* access 'equalities' *)
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   553
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   554
fun add_record_equalities name thm thy =
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   555
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   556
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   557
      Records_Data.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   558
    val data = make_record_data records sel_upd
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   559
      (Symtab.update_new (name, thm) equalities) extinjects extsplit splits extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   560
  in Records_Data.put data thy end;
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   561
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   562
val get_equalities = Symtab.lookup o #equalities o Records_Data.get;
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   563
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   564
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   565
(* access 'extinjects' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   566
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   567
fun add_extinjects thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   568
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   569
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   570
      Records_Data.get thy;
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   571
    val data =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   572
      make_record_data records sel_upd equalities (insert Thm.eq_thm_prop thm extinjects)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   573
        extsplit splits extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   574
  in Records_Data.put data thy end;
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   575
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   576
val get_extinjects = rev o #extinjects o Records_Data.get;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   577
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   578
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   579
(* access 'extsplit' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   580
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   581
fun add_extsplit name thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   582
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   583
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   584
      Records_Data.get thy;
35144
wenzelm
parents: 35142
diff changeset
   585
    val data =
wenzelm
parents: 35142
diff changeset
   586
      make_record_data records sel_upd equalities extinjects
wenzelm
parents: 35142
diff changeset
   587
        (Symtab.update_new (name, thm) extsplit) splits extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   588
  in Records_Data.put data thy end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   589
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   590
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   591
(* access 'splits' *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   592
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   593
fun add_record_splits name thmP thy =
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   594
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   595
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   596
      Records_Data.get thy;
35144
wenzelm
parents: 35142
diff changeset
   597
    val data =
wenzelm
parents: 35142
diff changeset
   598
      make_record_data records sel_upd equalities extinjects extsplit
wenzelm
parents: 35142
diff changeset
   599
        (Symtab.update_new (name, thmP) splits) extfields fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   600
  in Records_Data.put data thy end;
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   601
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   602
val get_splits = Symtab.lookup o #splits o Records_Data.get;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   603
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   604
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   605
(* parent/extension of named record *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   606
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   607
val get_parent = (Option.join o Option.map #parent) oo (Symtab.lookup o #records o Records_Data.get);
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   608
val get_extension = Option.map #extension oo (Symtab.lookup o #records o Records_Data.get);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   609
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   610
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   611
(* access 'extfields' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   612
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   613
fun add_extfields name fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   614
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   615
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   616
      Records_Data.get thy;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   617
    val data =
35144
wenzelm
parents: 35142
diff changeset
   618
      make_record_data records sel_upd equalities extinjects extsplit splits
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   619
        (Symtab.update_new (name, fields) extfields) fieldext;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   620
  in Records_Data.put data thy end;
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   621
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   622
val get_extfields = Symtab.lookup o #extfields o Records_Data.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   623
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   624
fun get_extT_fields thy T =
15059
schirmer
parents: 15058
diff changeset
   625
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   626
    val ((name, Ts), moreT) = dest_recT T;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   627
    val recname =
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   628
      let val (nm :: _ :: rst) = rev (Long_Name.explode name)   (* FIXME !? *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   629
      in Long_Name.implode (rev (nm :: rst)) end;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   630
    val midx = maxidx_of_typs (moreT :: Ts);
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   631
    val varifyT = varifyT midx;
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   632
    val {records, extfields, ...} = Records_Data.get thy;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   633
    val (fields, (more, _)) = split_last (Symtab.lookup_list extfields name);
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   634
    val args = map varifyT (snd (#extension (the (Symtab.lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   635
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   636
    val subst = fold (Sign.typ_match thy) (but_last args ~~ but_last Ts) Vartab.empty;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   637
    val fields' = map (apsnd (Envir.norm_type subst o varifyT)) fields;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   638
  in (fields', (more, moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   639
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   640
fun get_recT_fields thy T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   641
  let
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   642
    val (root_fields, (root_more, root_moreT)) = get_extT_fields thy T;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   643
    val (rest_fields, rest_more) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   644
      if is_recT root_moreT then get_recT_fields thy root_moreT
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   645
      else ([], (root_more, root_moreT));
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   646
  in (root_fields @ rest_fields, rest_more) end;
15059
schirmer
parents: 15058
diff changeset
   647
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   648
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   649
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   650
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   651
fun add_fieldext extname_types fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   652
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   653
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   654
      Records_Data.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   655
    val fieldext' =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   656
      fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   657
    val data =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   658
      make_record_data records sel_upd equalities extinjects
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   659
        extsplit splits extfields fieldext';
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   660
  in Records_Data.put data thy end;
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   661
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
   662
val get_fieldext = Symtab.lookup o #fieldext o Records_Data.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   663
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   664
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   665
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   666
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   667
fun add_parents _ NONE parents = parents
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   668
  | add_parents thy (SOME (types, name)) parents =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   669
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   670
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   671
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   672
        val {args, parent, fields, extension, induct_scheme, ext_def, ...} =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   673
          (case get_record thy name of SOME info => info | NONE => err "Unknown");
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   674
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   675
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   676
        fun bad_inst ((x, S), T) =
22578
b0eb5652f210 removed obsolete sign_of/sign_of_thm;
wenzelm
parents: 22219
diff changeset
   677
          if Sign.of_sort thy (T, S) then NONE else SOME x
32952
aeb1e44fbc19 replaced String.concat by implode;
wenzelm
parents: 32809
diff changeset
   678
        val bads = map_filter bad_inst (args ~~ types);
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   679
        val _ = null bads orelse err ("Ill-sorted instantiation of " ^ commas bads ^ " in");
12255
wenzelm
parents: 12247
diff changeset
   680
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   681
        val inst = map fst args ~~ types;
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   682
        val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   683
        val parent' = Option.map (apfst (map subst)) parent;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   684
        val fields' = map (apsnd subst) fields;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   685
        val extension' = apsnd (map subst) extension;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   686
      in
12255
wenzelm
parents: 12247
diff changeset
   687
        add_parents thy parent'
35138
ad213c602ec1 refined and exported record_info;
wenzelm
parents: 35137
diff changeset
   688
          (make_parent_info name fields' extension' ext_def induct_scheme :: parents)
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   689
      end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   690
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   691
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   692
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   693
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   694
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   695
(* decode type *)
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   696
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   697
fun decode_type thy t =
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   698
  let
35144
wenzelm
parents: 35142
diff changeset
   699
    fun get_sort env xi =
wenzelm
parents: 35142
diff changeset
   700
      the_default (Sign.defaultS thy) (AList.lookup (op =) env (xi: indexname));
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   701
  in
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   702
    Syntax.typ_of_term (get_sort (Syntax.term_sorts t)) t
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   703
  end;
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   704
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   705
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   706
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   707
35144
wenzelm
parents: 35142
diff changeset
   708
local
wenzelm
parents: 35142
diff changeset
   709
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   710
fun field_type_tr ((Const (@{syntax_const "_field_type"}, _) $ Const (name, _) $ arg)) =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   711
      (name, arg)
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   712
  | field_type_tr t = raise TERM ("field_type_tr", [t]);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   713
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   714
fun field_types_tr (Const (@{syntax_const "_field_types"}, _) $ t $ u) =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   715
      field_type_tr t :: field_types_tr u
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   716
  | field_types_tr t = [field_type_tr t];
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   717
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   718
fun record_field_types_tr more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   719
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   720
    val thy = ProofContext.theory_of ctxt;
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   721
    fun err msg = raise TERM ("Error in record-type input: " ^ msg, [t]);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   722
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   723
    fun split_args (field :: fields) ((name, arg) :: fargs) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   724
          if can (unsuffix name) field then
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   725
            let val (args, rest) = split_args fields fargs
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   726
            in (arg :: args, rest) end
35135
1667fd3b051d tuned errors;
wenzelm
parents: 35133
diff changeset
   727
          else err ("expecting field " ^ field ^ " but got " ^ name)
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   728
      | split_args [] (fargs as (_ :: _)) = ([], fargs)
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   729
      | split_args (_ :: _) [] = err "expecting more fields"
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   730
      | split_args _ _ = ([], []);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   731
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
   732
    fun mk_ext (fargs as (name, _) :: _) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   733
          (case get_fieldext thy (Sign.intern_const thy name) of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   734
            SOME (ext, alphas) =>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   735
              (case get_extfields thy ext of
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   736
                SOME fields =>
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   737
                  let
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   738
                    val fields' = but_last fields;
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   739
                    val types = map snd fields';
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   740
                    val (args, rest) = split_args (map fst fields') fargs;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   741
                    val argtypes = map (Sign.certify_typ thy o decode_type thy) args;
33029
2fefe039edf1 uniform use of Integer.min/max;
wenzelm
parents: 32977
diff changeset
   742
                    val midx = fold Term.maxidx_typ argtypes 0;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   743
                    val varifyT = varifyT midx;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   744
                    val vartypes = map varifyT types;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   745
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
   746
                    val subst = Type.raw_matches (vartypes, argtypes) Vartab.empty
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   747
                      handle Type.TYPE_MATCH => err "type is no proper record (extension)";
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   748
                    val alphas' =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   749
                      map (Syntax.term_of_typ (! Syntax.show_sorts) o Envir.norm_type subst o varifyT)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   750
                        (but_last alphas);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   751
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   752
                    val more' = mk_ext rest;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   753
                  in
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   754
                    list_comb
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   755
                      (Syntax.const (Syntax.mark_type (suffix ext_typeN ext)), alphas' @ [more'])
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   756
                  end
35135
1667fd3b051d tuned errors;
wenzelm
parents: 35133
diff changeset
   757
              | NONE => err ("no fields defined for " ^ ext))
1667fd3b051d tuned errors;
wenzelm
parents: 35133
diff changeset
   758
          | NONE => err (name ^ " is no proper field"))
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   759
      | mk_ext [] = more;
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   760
  in
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   761
    mk_ext (field_types_tr t)
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   762
  end;
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   763
35363
09489d8ffece explicit @{type_syntax} markup;
wenzelm
parents: 35262
diff changeset
   764
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
   765
  | record_type_tr _ ts = raise TERM ("record_type_tr", ts);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   766
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   767
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
   768
  | record_type_scheme_tr _ ts = raise TERM ("record_type_scheme_tr", ts);
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   769
35147
wenzelm
parents: 35146
diff changeset
   770
wenzelm
parents: 35146
diff changeset
   771
fun field_tr ((Const (@{syntax_const "_field"}, _) $ Const (name, _) $ arg)) = (name, arg)
wenzelm
parents: 35146
diff changeset
   772
  | field_tr t = raise TERM ("field_tr", [t]);
wenzelm
parents: 35146
diff changeset
   773
wenzelm
parents: 35146
diff changeset
   774
fun fields_tr (Const (@{syntax_const "_fields"}, _) $ t $ u) = field_tr t :: fields_tr u
wenzelm
parents: 35146
diff changeset
   775
  | fields_tr t = [field_tr t];
wenzelm
parents: 35146
diff changeset
   776
wenzelm
parents: 35146
diff changeset
   777
fun record_fields_tr more ctxt t =
wenzelm
parents: 35146
diff changeset
   778
  let
wenzelm
parents: 35146
diff changeset
   779
    val thy = ProofContext.theory_of ctxt;
wenzelm
parents: 35146
diff changeset
   780
    fun err msg = raise TERM ("Error in record input: " ^ msg, [t]);
wenzelm
parents: 35146
diff changeset
   781
wenzelm
parents: 35146
diff changeset
   782
    fun split_args (field :: fields) ((name, arg) :: fargs) =
wenzelm
parents: 35146
diff changeset
   783
          if can (unsuffix name) field
wenzelm
parents: 35146
diff changeset
   784
          then
wenzelm
parents: 35146
diff changeset
   785
            let val (args, rest) = split_args fields fargs
wenzelm
parents: 35146
diff changeset
   786
            in (arg :: args, rest) end
wenzelm
parents: 35146
diff changeset
   787
          else err ("expecting field " ^ field ^ " but got " ^ name)
wenzelm
parents: 35146
diff changeset
   788
      | split_args [] (fargs as (_ :: _)) = ([], fargs)
wenzelm
parents: 35146
diff changeset
   789
      | split_args (_ :: _) [] = err "expecting more fields"
wenzelm
parents: 35146
diff changeset
   790
      | split_args _ _ = ([], []);
wenzelm
parents: 35146
diff changeset
   791
wenzelm
parents: 35146
diff changeset
   792
    fun mk_ext (fargs as (name, _) :: _) =
wenzelm
parents: 35146
diff changeset
   793
          (case get_fieldext thy (Sign.intern_const thy name) of
wenzelm
parents: 35146
diff changeset
   794
            SOME (ext, _) =>
wenzelm
parents: 35146
diff changeset
   795
              (case get_extfields thy ext of
wenzelm
parents: 35146
diff changeset
   796
                SOME fields =>
wenzelm
parents: 35146
diff changeset
   797
                  let
wenzelm
parents: 35146
diff changeset
   798
                    val (args, rest) = split_args (map fst (but_last fields)) fargs;
wenzelm
parents: 35146
diff changeset
   799
                    val more' = mk_ext rest;
35262
9ea4445d2ccf slightly more abstract syntax mark/unmark operations;
wenzelm
parents: 35240
diff changeset
   800
                  in list_comb (Syntax.const (Syntax.mark_const (ext ^ extN)), args @ [more']) end
35147
wenzelm
parents: 35146
diff changeset
   801
              | NONE => err ("no fields defined for " ^ ext))
wenzelm
parents: 35146
diff changeset
   802
          | NONE => err (name ^ " is no proper field"))
wenzelm
parents: 35146
diff changeset
   803
      | mk_ext [] = more;
wenzelm
parents: 35146
diff changeset
   804
  in mk_ext (fields_tr t) end;
wenzelm
parents: 35146
diff changeset
   805
wenzelm
parents: 35146
diff changeset
   806
fun record_tr ctxt [t] = record_fields_tr (Syntax.const @{const_syntax Unity}) ctxt t
wenzelm
parents: 35146
diff changeset
   807
  | record_tr _ ts = raise TERM ("record_tr", ts);
wenzelm
parents: 35146
diff changeset
   808
wenzelm
parents: 35146
diff changeset
   809
fun record_scheme_tr ctxt [t, more] = record_fields_tr more ctxt t
wenzelm
parents: 35146
diff changeset
   810
  | record_scheme_tr _ ts = raise TERM ("record_scheme_tr", ts);
wenzelm
parents: 35146
diff changeset
   811
wenzelm
parents: 35146
diff changeset
   812
wenzelm
parents: 35146
diff changeset
   813
fun field_update_tr (Const (@{syntax_const "_field_update"}, _) $ Const (name, _) $ arg) =
wenzelm
parents: 35146
diff changeset
   814
      Syntax.const (suffix updateN name) $ Abs ("_", dummyT, arg)
wenzelm
parents: 35146
diff changeset
   815
  | field_update_tr t = raise TERM ("field_update_tr", [t]);
wenzelm
parents: 35146
diff changeset
   816
wenzelm
parents: 35146
diff changeset
   817
fun field_updates_tr (Const (@{syntax_const "_field_updates"}, _) $ t $ u) =
wenzelm
parents: 35146
diff changeset
   818
      field_update_tr t :: field_updates_tr u
wenzelm
parents: 35146
diff changeset
   819
  | field_updates_tr t = [field_update_tr t];
wenzelm
parents: 35146
diff changeset
   820
wenzelm
parents: 35146
diff changeset
   821
fun record_update_tr [t, u] = fold (curry op $) (field_updates_tr u) t
wenzelm
parents: 35146
diff changeset
   822
  | record_update_tr ts = raise TERM ("record_update_tr", ts);
wenzelm
parents: 35146
diff changeset
   823
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   824
in
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   825
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   826
val parse_translation =
35145
f132a4fd8679 moved generic update_name to Pure syntax -- not specific to HOL/record;
wenzelm
parents: 35144
diff changeset
   827
 [(@{syntax_const "_record_update"}, record_update_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   828
35146
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   829
val advanced_parse_translation =
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   830
 [(@{syntax_const "_record"}, record_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   831
  (@{syntax_const "_record_scheme"}, record_scheme_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   832
  (@{syntax_const "_record_type"}, record_type_tr),
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   833
  (@{syntax_const "_record_type_scheme"}, record_type_scheme_tr)];
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   834
f7bf73b0d7e5 simplified/clarified record translations;
wenzelm
parents: 35145
diff changeset
   835
end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   836
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   837
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   838
(* print translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   839
32740
9dd0a2f83429 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32335
diff changeset
   840
val print_record_type_abbr = Unsynchronized.ref true;
9dd0a2f83429 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32335
diff changeset
   841
val print_record_type_as_fields = Unsynchronized.ref true;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   842
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   843
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   844
local
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   845
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   846
(* FIXME early extern (!??) *)
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   847
(* FIXME Syntax.free (??) *)
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   848
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
   849
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   850
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
   851
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   852
fun record_type_tr' ctxt t =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   853
  let
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   854
    val thy = ProofContext.theory_of ctxt;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   855
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   856
    val T = decode_type thy t;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   857
    val varifyT = varifyT (Term.maxidx_of_typ T);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   858
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   859
    val term_of_type = Syntax.term_of_typ (! Syntax.show_sorts);
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   860
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   861
    fun strip_fields T =
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   862
      (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
   863
        Type (ext, args as _ :: _) =>
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   864
          (case try (unsuffix ext_typeN) ext of
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   865
            SOME ext' =>
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   866
              (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
   867
                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
   868
                  (case get_fieldext thy x of
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   869
                    SOME (_, alphas) =>
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   870
                     (let
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   871
                        val f :: fs = but_last fields;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   872
                        val fields' =
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   873
                          apfst (Sign.extern_const thy) f :: map (apfst Long_Name.base_name) fs;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   874
                        val (args', more) = split_last args;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   875
                        val alphavars = map varifyT (but_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
   876
                        val subst = Type.raw_matches (alphavars, args') Vartab.empty;
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   877
                        val fields'' = (map o apsnd) (Envir.norm_type subst o varifyT) fields';
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   878
                      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
   879
                      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
   880
                  | _ => [("", 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
   881
              | _ => [("", 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
   882
          | _ => [("", T)])
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   883
      | _ => [("", T)]);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   884
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   885
    val (fields, (_, moreT)) = split_last (strip_fields T);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   886
    val _ = null fields andalso raise Match;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   887
    val u = foldr1 field_types_tr' (map (field_type_tr' o apsnd term_of_type) fields);
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   888
  in
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   889
    if not (! print_record_type_as_fields) orelse null fields then raise Match
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   890
    else if moreT = HOLogic.unitT then Syntax.const @{syntax_const "_record_type"} $ u
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   891
    else Syntax.const @{syntax_const "_record_type_scheme"} $ u $ term_of_type moreT
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   892
  end;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   893
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   894
(*try to reconstruct the record name type abbreviation from
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   895
  the (nested) extension types*)
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   896
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
   897
  let
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   898
    val thy = ProofContext.theory_of ctxt;
35614
d7afa8700622 record_type_abbr_tr': removed obsolete workaround for decode_type, which now retains syntactic categories of variables vs. constructors (authentic syntax);
wenzelm
parents: 35430
diff changeset
   899
    val T = decode_type thy tm;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   900
    val midx = maxidx_of_typ T;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   901
    val varifyT = varifyT midx;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   902
36151
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   903
    fun mk_type_abbr subst name args =
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   904
      let val abbrT = Type (name, map (varifyT o TFree) args)
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   905
      in Syntax.term_of_typ (! Syntax.show_sorts) (Envir.norm_type subst abbrT) end;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   906
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
   907
    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
   908
  in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   909
    if ! print_record_type_abbr then
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   910
      (case last_extT T of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   911
        SOME (name, _) =>
35148
3a34fee2cfcd eliminated camel case;
wenzelm
parents: 35147
diff changeset
   912
          if name = last_ext then
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   913
            let val subst = match schemeT T in
36151
b89a2a05a3ce modernized treatment of sort constraints in specification;
wenzelm
parents: 36137
diff changeset
   914
              if HOLogic.is_unitT (Envir.norm_type subst (varifyT (TFree zeta)))
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   915
              then mk_type_abbr subst abbr alphas
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   916
              else mk_type_abbr subst (suffix schemeN abbr) (alphas @ [zeta])
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   917
            end handle Type.TYPE_MATCH => record_type_tr' ctxt tm
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   918
          else raise Match (*give print translation of specialised record a chance*)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   919
      | _ => raise Match)
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   920
    else record_type_tr' ctxt tm
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   921
  end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   922
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   923
in
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   924
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   925
fun record_ext_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   926
  let
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   927
    val ext_type_name = Syntax.mark_type (suffix ext_typeN name);
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   928
    fun tr' ctxt ts =
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   929
      record_type_tr' ctxt (list_comb (Syntax.const ext_type_name, ts));
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   930
  in (ext_type_name, tr') end;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   931
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   932
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
   933
  let
35430
df2862dc23a8 adapted to authentic syntax -- actual types are verbatim;
wenzelm
parents: 35410
diff changeset
   934
    val ext_type_name = Syntax.mark_type (suffix ext_typeN name);
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
   935
    fun tr' ctxt ts =
35149
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   936
      record_type_abbr_tr' abbr alphas zeta last_ext schemeT ctxt
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   937
        (list_comb (Syntax.const ext_type_name, ts));
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   938
  in (ext_type_name, tr') end;
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   939
eee63670b5aa simplified/clarified record print translations;
wenzelm
parents: 35148
diff changeset
   940
end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   941
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
   942
35240
wenzelm
parents: 35239
diff changeset
   943
local
wenzelm
parents: 35239
diff changeset
   944
wenzelm
parents: 35239
diff changeset
   945
(* FIXME Syntax.free (??) *)
wenzelm
parents: 35239
diff changeset
   946
fun field_tr' (c, t) = Syntax.const @{syntax_const "_field"} $ Syntax.const c $ t;
wenzelm
parents: 35239
diff changeset
   947
fun fields_tr' (t, u) = Syntax.const @{syntax_const "_fields"} $ t $ u;
wenzelm
parents: 35239
diff changeset
   948
wenzelm
parents: 35239
diff changeset
   949
fun record_tr' ctxt t =
wenzelm
parents: 35239
diff changeset
   950
  let
wenzelm
parents: 35239
diff changeset
   951
    val thy = ProofContext.theory_of ctxt;
wenzelm
parents: 35239
diff changeset
   952
    val extern = Consts.extern (ProofContext.consts_of ctxt);
wenzelm
parents: 35239
diff changeset
   953
wenzelm
parents: 35239
diff changeset
   954
    fun strip_fields t =
wenzelm
parents: 35239
diff changeset
   955
      (case strip_comb t of
wenzelm
parents: 35239
diff changeset
   956
        (Const (ext, _), args as (_ :: _)) =>
35262
9ea4445d2ccf slightly more abstract syntax mark/unmark operations;
wenzelm
parents: 35240
diff changeset
   957
          (case try (Syntax.unmark_const o unsuffix extN) ext of
35240
wenzelm
parents: 35239
diff changeset
   958
            SOME ext' =>
wenzelm
parents: 35239
diff changeset
   959
              (case get_extfields thy ext' of
wenzelm
parents: 35239
diff changeset
   960
                SOME fields =>
wenzelm
parents: 35239
diff changeset
   961
                 (let
wenzelm
parents: 35239
diff changeset
   962
                    val f :: fs = but_last (map fst fields);
wenzelm
parents: 35239
diff changeset
   963
                    val fields' = extern f :: map Long_Name.base_name fs;
wenzelm
parents: 35239
diff changeset
   964
                    val (args', more) = split_last args;
wenzelm
parents: 35239
diff changeset
   965
                  in (fields' ~~ args') @ strip_fields more end
wenzelm
parents: 35239
diff changeset
   966
                  handle Library.UnequalLengths => [("", t)])
wenzelm
parents: 35239
diff changeset
   967
              | NONE => [("", t)])
wenzelm
parents: 35239
diff changeset
   968
          | NONE => [("", t)])
wenzelm
parents: 35239
diff changeset
   969
       | _ => [("", t)]);
wenzelm
parents: 35239
diff changeset
   970
wenzelm
parents: 35239
diff changeset
   971
    val (fields, (_, more)) = split_last (strip_fields t);
wenzelm
parents: 35239
diff changeset
   972
    val _ = null fields andalso raise Match;
wenzelm
parents: 35239
diff changeset
   973
    val u = foldr1 fields_tr' (map field_tr' fields);
wenzelm
parents: 35239
diff changeset
   974
  in
wenzelm
parents: 35239
diff changeset
   975
    case more of
wenzelm
parents: 35239
diff changeset
   976
      Const (@{const_syntax Unity}, _) => Syntax.const @{syntax_const "_record"} $ u
wenzelm
parents: 35239
diff changeset
   977
    | _ => Syntax.const @{syntax_const "_record_scheme"} $ u $ more
wenzelm
parents: 35239
diff changeset
   978
  end;
wenzelm
parents: 35239
diff changeset
   979
wenzelm
parents: 35239
diff changeset
   980
in
wenzelm
parents: 35239
diff changeset
   981
wenzelm
parents: 35239
diff changeset
   982
fun record_ext_tr' name =
wenzelm
parents: 35239
diff changeset
   983
  let
35262
9ea4445d2ccf slightly more abstract syntax mark/unmark operations;
wenzelm
parents: 35240
diff changeset
   984
    val ext_name = Syntax.mark_const (name ^ extN);
35240
wenzelm
parents: 35239
diff changeset
   985
    fun tr' ctxt ts = record_tr' ctxt (list_comb (Syntax.const ext_name, ts));
wenzelm
parents: 35239
diff changeset
   986
  in (ext_name, tr') end;
wenzelm
parents: 35239
diff changeset
   987
wenzelm
parents: 35239
diff changeset
   988
end;
wenzelm
parents: 35239
diff changeset
   989
wenzelm
parents: 35239
diff changeset
   990
wenzelm
parents: 35239
diff changeset
   991
local
wenzelm
parents: 35239
diff changeset
   992
wenzelm
parents: 35239
diff changeset
   993
fun field_updates_tr' ctxt (tm as Const (c, _) $ k $ u) =
wenzelm
parents: 35239
diff changeset
   994
      let
wenzelm
parents: 35239
diff changeset
   995
        val extern = Consts.extern (ProofContext.consts_of ctxt);
wenzelm
parents: 35239
diff changeset
   996
        val t =
wenzelm
parents: 35239
diff changeset
   997
          (case k of
wenzelm
parents: 35239
diff changeset
   998
            Abs (_, _, Abs (_, _, t) $ Bound 0) =>
wenzelm
parents: 35239
diff changeset
   999
              if null (loose_bnos t) then t else raise Match
wenzelm
parents: 35239
diff changeset
  1000
          | Abs (_, _, t) =>
wenzelm
parents: 35239
diff changeset
  1001
              if null (loose_bnos t) then t else raise Match
wenzelm
parents: 35239
diff changeset
  1002
          | _ => raise Match);
wenzelm
parents: 35239
diff changeset
  1003
      in
35262
9ea4445d2ccf slightly more abstract syntax mark/unmark operations;
wenzelm
parents: 35240
diff changeset
  1004
        (case Option.map extern (try Syntax.unmark_const c) of
35240
wenzelm
parents: 35239
diff changeset
  1005
          SOME update_name =>
wenzelm
parents: 35239
diff changeset
  1006
            (case try (unsuffix updateN) update_name of
wenzelm
parents: 35239
diff changeset
  1007
              SOME name =>
wenzelm
parents: 35239
diff changeset
  1008
                apfst (cons (Syntax.const @{syntax_const "_field_update"} $ Syntax.free name $ t))
wenzelm
parents: 35239
diff changeset
  1009
                  (field_updates_tr' ctxt u)
wenzelm
parents: 35239
diff changeset
  1010
            | NONE => ([], tm))
wenzelm
parents: 35239
diff changeset
  1011
        | NONE => ([], tm))
wenzelm
parents: 35239
diff changeset
  1012
      end
wenzelm
parents: 35239
diff changeset
  1013
  | field_updates_tr' _ tm = ([], tm);
wenzelm
parents: 35239
diff changeset
  1014
wenzelm
parents: 35239
diff changeset
  1015
fun record_update_tr' ctxt tm =
wenzelm
parents: 35239
diff changeset
  1016
  (case field_updates_tr' ctxt tm of
wenzelm
parents: 35239
diff changeset
  1017
    ([], _) => raise Match
wenzelm
parents: 35239
diff changeset
  1018
  | (ts, u) =>
wenzelm
parents: 35239
diff changeset
  1019
      Syntax.const @{syntax_const "_record_update"} $ u $
wenzelm
parents: 35239
diff changeset
  1020
        foldr1 (fn (v, w) => Syntax.const @{syntax_const "_field_updates"} $ v $ w) (rev ts));
wenzelm
parents: 35239
diff changeset
  1021
wenzelm
parents: 35239
diff changeset
  1022
in
wenzelm
parents: 35239
diff changeset
  1023
wenzelm
parents: 35239
diff changeset
  1024
fun field_update_tr' name =
wenzelm
parents: 35239
diff changeset
  1025
  let
35262
9ea4445d2ccf slightly more abstract syntax mark/unmark operations;
wenzelm
parents: 35240
diff changeset
  1026
    val update_name = Syntax.mark_const (name ^ updateN);
35240
wenzelm
parents: 35239
diff changeset
  1027
    fun tr' ctxt [t, u] = record_update_tr' ctxt (Syntax.const update_name $ t $ u)
wenzelm
parents: 35239
diff changeset
  1028
      | tr' _ _ = raise Match;
wenzelm
parents: 35239
diff changeset
  1029
  in (update_name, tr') end;
wenzelm
parents: 35239
diff changeset
  1030
wenzelm
parents: 35239
diff changeset
  1031
end;
wenzelm
parents: 35239
diff changeset
  1032
wenzelm
parents: 35239
diff changeset
  1033
32335
41fe1c93f218 tuned spacing of sections;
wenzelm
parents: 32283
diff changeset
  1034
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1035
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
  1036
33691
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1037
fun future_forward_prf_standard thy prf prop () =
33711
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1038
  let val thm =
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1039
    if ! quick_and_dirty then Skip_Proof.make_thm thy prop
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1040
    else if Goal.future_enabled () then
37186
349e9223c685 explicit markup for forked goals, as indicated by Goal.fork;
wenzelm
parents: 37136
diff changeset
  1041
      Goal.future_result (ProofContext.init_global thy) (Goal.fork prf) prop
33711
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1042
    else prf ()
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
  1043
  in Drule.export_without_context thm end;
33691
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1044
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1045
fun prove_common immediate stndrd thy asms prop tac =
33711
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1046
  let
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1047
    val prv =
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1048
      if ! quick_and_dirty then Skip_Proof.prove
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1049
      else if immediate orelse not (Goal.future_enabled ()) then Goal.prove
2fdb11580b96 guard future proofs by Goal.future_enabled;
wenzelm
parents: 33691
diff changeset
  1050
      else Goal.prove_future;
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 36173
diff changeset
  1051
    val prf = prv (ProofContext.init_global thy) [] asms prop tac;
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
  1052
  in if stndrd then Drule.export_without_context prf else prf end;
33691
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1053
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1054
val prove_future_global = prove_common false;
3db22a5707f3 clarified quick-and-dirty usage in record package;
schirmer <schirmer@in.tum.de>
parents: 33612
diff changeset
  1055
val prove_global = prove_common true;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1056
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1057
fun is_sel_upd_pair thy (Const (s, _)) (Const (u, t')) =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1058
  (case get_updates thy u of
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1059
    SOME u_name => u_name = s
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1060
  | NONE => raise TERM ("is_sel_upd_pair: not update", [Const (u, t')]));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1061
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1062
fun mk_comp f g =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1063
  let
32974
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1064
    val X = fastype_of g;
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1065
    val A = domain_type X;
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1066
    val B = range_type X;
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1067
    val C = range_type (fastype_of f);
2a1aaa2d9e64 eliminated old List.foldr and OldTerm operations;
wenzelm
parents: 32973
diff changeset
  1068
    val T = (B --> C) --> (A --> B) --> A --> C;
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1069
  in Const (@{const_name Fun.comp}, T) $ f $ g end;
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1070
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1071
fun mk_comp_id f =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1072
  let val T = range_type (fastype_of f)
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1073
  in 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
  1074
32752
f65d74a264dd Initial response to feedback from Norbert, Makarius on record patch
tsewell@rubicon.NSW.bigpond.net.au
parents: 32749
diff changeset
  1075
fun get_upd_funs (upd $ _ $ t) = upd :: get_upd_funs t
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1076
  | get_upd_funs _ = [];
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1077
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1078
fun get_accupd_simps thy term defset =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1079
  let
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1080
    val (acc, [body]) = strip_comb term;
35408
b48ab741683b modernized structure Term_Ord;
wenzelm
parents: 35363
diff changeset
  1081
    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
  1082
    fun get_simp upd =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1083
      let
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1084
        (* FIXME fresh "f" (!?) *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1085
        val T = domain_type (fastype_of upd);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1086
        val lhs = mk_comp acc (upd $ Free ("f", T));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1087
        val rhs =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1088
          if is_sel_upd_pair thy acc upd
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1089
          then mk_comp (Free ("f", T)) acc
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1090
          else mk_comp_id acc;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1091
        val prop = lhs === rhs;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1092
        val othm =
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 36173
diff changeset
  1093
          Goal.prove (ProofContext.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1094
            (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1095
              simp_tac defset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1096
              REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1097
              TRY (simp_tac (HOL_ss addsimps id_o_apps) 1));
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1098
        val dest =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1099
          if is_sel_upd_pair thy acc upd
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1100
          then o_eq_dest
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1101
          else 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
  1102
      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
  1103
  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
  1104
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1105
fun get_updupd_simp thy defset u u' comp =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1106
  let
35133
a68e4972fd31 formal markup of constants;
wenzelm
parents: 35131
diff changeset
  1107
    (* FIXME fresh "f" (!?) *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1108
    val f = Free ("f", domain_type (fastype_of u));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1109
    val f' = Free ("f'", domain_type (fastype_of u'));
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1110
    val lhs = mk_comp (u $ f) (u' $ f');
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1111
    val rhs =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1112
      if comp
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1113
      then u $ mk_comp f f'
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1114
      else mk_comp (u' $ f') (u $ f);
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1115
    val prop = lhs === rhs;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1116
    val othm =
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 36173
diff changeset
  1117
      Goal.prove (ProofContext.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1118
        (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1119
          simp_tac defset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1120
          REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1121
          TRY (simp_tac (HOL_ss addsimps [id_apply]) 1));
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1122
    val dest = if comp then o_eq_dest_lhs else 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
  1123
  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
  1124
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1125
fun get_updupd_simps thy term defset =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1126
  let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1127
    val upd_funs = get_upd_funs term;
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1128
    val cname = fst o dest_Const;
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1129
    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
  1130
    fun build_swaps_to_eq _ [] swaps = swaps
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1131
      | build_swaps_to_eq upd (u :: us) swaps =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1132
          let
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1133
            val key = (cname u, cname upd);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1134
            val newswaps =
32764
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
  1135
              if Symreltab.defined swaps key then swaps
690f9cccf232 replaced meta_iffD2 by existing Drule.equal_elim_rule2;
wenzelm
parents: 32763
diff changeset
  1136
              else Symreltab.insert (K true) (key, getswap u upd) swaps;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1137
          in
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1138
            if cname u = cname upd then newswaps
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1139
            else build_swaps_to_eq upd us newswaps
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1140
          end;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1141
    fun swaps_needed [] _ _ swaps = map snd (Symreltab.dest swaps)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1142
      | swaps_needed (u :: us) prev seen swaps =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1143
          if Symtab.defined seen (cname u)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1144
          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
  1145
          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
  1146
  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
  1147
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1148
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
  1149
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1150
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
  1151
  let
32743
c4e9a48bc50e Initial attempt at porting record update to repository Isabelle.
tsewell@rubicon.NSW.bigpond.net.au
parents: 32335
diff changeset
  1152
    val defset = get_sel_upd_defs thy;
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1153
    val prop' = Envir.beta_eta_contract prop;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1154
    val (lhs, _) = Logic.dest_equals (Logic.strip_assums_concl prop');
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1155
    val (_, args) = strip_comb lhs;
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1156
    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
  1157
  in
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 36173
diff changeset
  1158
    Goal.prove (ProofContext.init_global thy) [] [] prop'
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1159
      (fn _ =>
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1160
        simp_tac (HOL_basic_ss addsimps (simps @ [K_record_comp])) 1 THEN
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1161
        TRY (simp_tac (HOL_basic_ss addsimps ex_simps addsimprocs ex_simprs) 1))
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
  1162
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1163
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
  1164
15059
schirmer
parents: 15058
diff changeset
  1165
local
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1166
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1167
fun eq (s1: string) (s2: string) = (s1 = s2);
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1168
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
  1169
fun has_field extfields f T =
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1170
  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
  1171
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1172
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
  1173
      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
  1174
  | K_skeleton n T b _ = ((n, T), b);
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1175
15059
schirmer
parents: 15058
diff changeset
  1176
in
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1177
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1178
(* record_simproc *)
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1179
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1180
(*
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1181
  Simplify selections of an record update:
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1182
    (1)  S (S_update k r) = k (S r)
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1183
    (2)  S (X_update k r) = S r
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1184
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1185
  The simproc skips multiple updates at once, eg:
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1186
   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
  1187
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1188
  But be careful in (2) because of the extensibility of records.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1189
  - 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
  1190
    X does not affect the selected subrecord.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1191
  - 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
  1192
    subrecord.
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1193
*)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1194
val record_simproc =
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
  1195
  Simplifier.simproc @{theory HOL} "record_simp" ["x"]
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1196
    (fn thy => fn _ => fn t =>
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1197
      (case t of
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1198
        (sel as Const (s, Type (_, [_, rangeS]))) $
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1199
            ((upd as Const (u, Type (_, [_, Type (_, [rT, _])]))) $ k $ r) =>
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1200
          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
  1201
            let
35137
405bb7e38057 modernized structures;
wenzelm
parents: 35136
diff changeset
  1202
              val {sel_upd = {updates, ...}, extfields, ...} = Records_Data.get thy;
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1203
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1204
              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
  1205
                    (case Symtab.lookup updates u of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1206
                      NONE => NONE
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1207
                    | SOME u_name =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1208
                        if u_name = s then
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1209
                          (case mk_eq_terms r of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1210
                            NONE =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1211
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1212
                                val rv = ("r", rT);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1213
                                val rb = Bound 0;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1214
                                val (kv, kb) = K_skeleton "k" kT (Bound 1) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1215
                              in SOME (upd $ kb $ rb, kb $ (sel $ rb), [kv, rv]) end
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1216
                          | SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1217
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1218
                                val (kv, kb) = K_skeleton "k" kT (Bound (length vars)) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1219
                              in SOME (upd $ kb $ trm, kb $ trm', kv :: vars) end)
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1220
                        else if has_field extfields u_name rangeS orelse
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1221
                          has_field extfields s (domain_type kT) then NONE
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1222
                        else
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1223
                          (case mk_eq_terms r of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1224
                            SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1225
                              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
  1226
                              in SOME (upd $ kb $ trm, trm', kv :: vars) end
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1227
                          | NONE =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1228
                              let
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1229
                                val rv = ("r", rT);
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1230
                                val rb = Bound 0;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1231
                                val (kv, kb) = K_skeleton "k" kT (Bound 1) k;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1232
                              in SOME (upd $ kb $ rb, sel $ rb, [kv, rv]) end))
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1233
                | mk_eq_terms _ = NONE;
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1234
            in
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1235
              (case mk_eq_terms (upd $ k $ r) of
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1236
                SOME (trm, trm', vars) =>
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1237
                  SOME
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1238
                    (prove_unfold_defs thy [] []
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1239
                      (list_all (vars, Logic.mk_equals (sel $ trm, trm'))))
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1240
              | NONE => NONE)
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1241
            end
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1242
          else NONE
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1243
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1244
32761
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1245
fun get_upd_acc_cong_thm upd acc thy simpset =
54fee94b2b29 tuned whitespace -- recover basic Isabelle conventions;
wenzelm
parents: 32760
diff changeset
  1246
  let
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1247
    val insts = [("upd", cterm_of thy upd), ("acc", cterm_of thy acc)];
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1248
    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
  1249
  in
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 36173
diff changeset
  1250
    Goal.prove (ProofContext.init_global thy) [] [] prop
32799
7478ea535416 eliminated dead code, redundant bindings and parameters;
wenzelm
parents: 32770
diff changeset
  1251
      (fn _ =>
32975
84d105ad5adb simplified tactics;
wenzelm
parents: 32974
diff changeset
  1252
        simp_tac simpset 1 THEN
34151
8d57ce46b3f7 prefer prefix "iso" over potentially misleading "is"; tuned
haftmann
parents: 33957
diff changeset
  1253
        REPEAT_DETERM (Iso_Tuple_Support.iso_tuple_intros_tac 1) THEN
32975