src/HOL/Tools/record.ML
author haftmann
Fri, 19 Jun 2009 17:23:21 +0200
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child 31902 862ae16a799d
permissions -rw-r--r--
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(*  Title:      HOL/Tools/record.ML
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    Author:     Wolfgang Naraschewski, Norbert Schirmer and Markus Wenzel, TU Muenchen
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Extensible records with structural subtyping in HOL.
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*)
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signature BASIC_RECORD =
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sig
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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 ref
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  val print_record_type_as_fields: bool 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 ref
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  val record_quick_and_dirty_sensitive: bool ref
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  val updateN: string
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  val updN: 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 ext_dest: 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 list * string -> string option -> (string * string * mixfix) list
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    -> theory -> theory
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  val add_record_i: bool -> string list * string -> (typ list * string) option
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    -> (string * typ * mixfix) list -> theory -> theory
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  val setup: theory -> theory
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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 rec_UNIV_I = thm "rec_UNIV_I";
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val rec_True_simp = thm "rec_True_simp";
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val Pair_eq = thm "Product_Type.prod.inject";
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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 Pair_sel_convs = [fst_conv,snd_conv];
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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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(** 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 extN ="_ext";
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val casesN = "_cases";
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val ext_dest = "_sel";
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val updateN = "_update";
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val updN = "_upd";
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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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(*see typedef.ML*)
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val RepN = "Rep_";
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val AbsN = "Abs_";
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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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fun domain_type' T =
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    domain_type T handle Match => T;
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fun range_type' T =
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    range_type T handle Match => T;
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(* messages *)
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fun trace_thm str thm =
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    tracing (str ^ (Pretty.string_of (Display.pretty_thm thm)));
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fun trace_thms str thms =
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    (tracing str; map (trace_thm "") thms);
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fun trace_term str t =
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    tracing (str ^ Syntax.string_of_term_global Pure.thy t);
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(* timing *)
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val timing = 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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fun prune n xs = Library.drop (n, xs);
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fun prefix_base s = Long_Name.map_base_name (fn bname => s ^ bname);
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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 9 $$;
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infix 0 :== ===;
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infixr 0 ==>;
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val (op $$) = Term.list_comb;
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val (op :==) = PrimitiveDefs.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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(* morphisms *)
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fun mk_RepN name = suffix ext_typeN (prefix_base RepN name);
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fun mk_AbsN name = suffix ext_typeN (prefix_base AbsN name);
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fun mk_Rep name repT absT  =
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  Const (suffix ext_typeN (prefix_base RepN name),absT --> repT);
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fun mk_Abs name repT absT =
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  Const (mk_AbsN name,repT --> absT);
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(* constructor *)
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fun mk_extC (name,T) Ts  = (suffix extN name, Ts ---> T);
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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 (mk_extC (name,T) Ts),ts) end;
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(* cases *)
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fun mk_casesC (name,T,vT) Ts = (suffix casesN name, (Ts ---> vT) --> T --> vT)
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fun mk_cases (name,T,vT) f =
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  let val Ts = binder_types (fastype_of f)
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  in Const (mk_casesC (name,T,vT) Ts) $ f 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 (T::_))) =
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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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fun is_recT T =
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  (case try dest_recT T of NONE => false | SOME _ => true);
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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
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  in (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 val rTs = dest_recTs T
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      val rTs' = if i < 0 then rTs else Library.take (i,rTs)
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  in Library.foldl (fn (s,(c,T)) => s ^ c) ("",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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  induct: thm
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 };
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fun make_record_info args parent fields extension induct =
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 {args = args, parent = parent, fields = fields, extension = extension,
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  induct = induct}: record_info;
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type parent_info =
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 {name: string,
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  fields: (string * typ) list,
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  extension: (string * typ list),
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  induct: thm
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};
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fun make_parent_info name fields extension induct =
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 {name = name, fields = fields, extension = extension, induct = induct}: parent_info;
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(* theory data *)
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type record_data =
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 {records: record_info Symtab.table,
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  sel_upd:
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   {selectors: unit Symtab.table,
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    updates: string Symtab.table,
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    simpset: Simplifier.simpset},
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  equalities: thm Symtab.table,
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  extinjects: thm list,
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  extsplit: thm Symtab.table, (* maps extension name to split rule *)
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  splits: (thm*thm*thm*thm) Symtab.table,    (* !!,!,EX - split-equalities,induct rule *)
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  extfields: (string*typ) list Symtab.table, (* maps extension to its fields *)
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  fieldext: (string*typ list) Symtab.table   (* maps field to its extension *)
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};
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fun make_record_data
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      records sel_upd equalities extinjects extsplit splits extfields fieldext =
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 {records = records, sel_upd = sel_upd,
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  equalities = equalities, extinjects=extinjects, extsplit = extsplit, splits = splits,
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  extfields = extfields, fieldext = fieldext }: record_data;
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structure RecordsData = TheoryDataFun
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(
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  type T = record_data;
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  val empty =
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    make_record_data Symtab.empty
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      {selectors = Symtab.empty, updates = Symtab.empty, simpset = HOL_basic_ss}
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       Symtab.empty [] Symtab.empty Symtab.empty Symtab.empty Symtab.empty;
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  val copy = I;
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  val extend = I;
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  fun merge _
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   ({records = recs1,
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     sel_upd = {selectors = sels1, updates = upds1, simpset = ss1},
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     equalities = equalities1,
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     extinjects = extinjects1,
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     extsplit = extsplit1,
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     splits = splits1,
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     extfields = extfields1,
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     fieldext = fieldext1},
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    {records = recs2,
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     sel_upd = {selectors = sels2, updates = upds2, simpset = ss2},
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     equalities = equalities2,
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     extinjects = extinjects2,
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     extsplit = extsplit2,
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     splits = splits2,
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     extfields = extfields2,
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     fieldext = fieldext2}) =
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    make_record_data
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      (Symtab.merge (K true) (recs1, recs2))
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      {selectors = Symtab.merge (K true) (sels1, sels2),
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        updates = Symtab.merge (K true) (upds1, upds2),
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        simpset = Simplifier.merge_ss (ss1, ss2)}
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      (Symtab.merge Thm.eq_thm_prop (equalities1, equalities2))
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      (Library.merge Thm.eq_thm_prop (extinjects1, extinjects2))
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      (Symtab.merge Thm.eq_thm_prop (extsplit1,extsplit2))
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   299
      (Symtab.merge (fn ((a,b,c,d),(w,x,y,z))
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   300
                     => Thm.eq_thm (a,w) andalso Thm.eq_thm (b,x) andalso
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   301
                        Thm.eq_thm (c,y) andalso Thm.eq_thm (d,z))
14700
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   302
                    (splits1, splits2))
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   303
      (Symtab.merge (K true) (extfields1,extfields2))
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   304
      (Symtab.merge (K true) (fieldext1,fieldext2));
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   305
);
4867
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parents:
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   306
22846
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   307
fun print_records thy =
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   308
  let
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   309
    val {records = recs, ...} = RecordsData.get thy;
26943
aec0d97a01c4 moved global pretty/string_of functions from Sign to Syntax;
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   310
    val prt_typ = Syntax.pretty_typ_global thy;
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   311
22846
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   312
    fun pretty_parent NONE = []
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   313
      | pretty_parent (SOME (Ts, name)) =
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   314
          [Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]];
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   315
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   316
    fun pretty_field (c, T) = Pretty.block
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   317
      [Pretty.str (Sign.extern_const thy c), Pretty.str " ::",
fb79144af9a3 simplified DataFun interfaces;
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diff changeset
   318
        Pretty.brk 1, Pretty.quote (prt_typ T)];
4867
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parents:
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   319
22846
fb79144af9a3 simplified DataFun interfaces;
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   320
    fun pretty_record (name, {args, parent, fields, ...}: record_info) =
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   321
      Pretty.block (Pretty.fbreaks (Pretty.block
fb79144af9a3 simplified DataFun interfaces;
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   322
        [prt_typ (Type (name, map TFree args)), Pretty.str " = "] ::
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parents: 22747
diff changeset
   323
        pretty_parent parent @ map pretty_field fields));
fb79144af9a3 simplified DataFun interfaces;
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parents: 22747
diff changeset
   324
  in map pretty_record (Symtab.dest recs) |> Pretty.chunks |> Pretty.writeln end;
5006
cdc86a914e63 adapted to new theory data interface;
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diff changeset
   325
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   326
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
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   327
(* access 'records' *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
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   328
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
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diff changeset
   329
val get_record = Symtab.lookup o #records o RecordsData.get;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
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parents:
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   330
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
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   331
fun put_record name info thy =
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
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   332
  let
17261
193b84a70ca4 curried_lookup/update;
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diff changeset
   333
    val {records, sel_upd, equalities, extinjects,extsplit,splits,extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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diff changeset
   334
          RecordsData.get thy;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
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diff changeset
   335
    val data = make_record_data (Symtab.update (name, info) records)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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parents: 15012
diff changeset
   336
      sel_upd equalities extinjects extsplit splits extfields fieldext;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   337
  in RecordsData.put data thy end;
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diff changeset
   338
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   339
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
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   340
(* access 'sel_upd' *)
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
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diff changeset
   341
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
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   342
val get_sel_upd = #sel_upd o RecordsData.get;
7178
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   343
17510
5e3ce025e1a5 tuned simprocs;
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   344
val is_selector = Symtab.defined o #selectors o get_sel_upd;
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   345
val get_updates = Symtab.lookup o #updates o get_sel_upd;
17892
62c397c17d18 Simplifier.theory_context;
wenzelm
parents: 17875
diff changeset
   346
fun get_simpset thy = Simplifier.theory_context thy (#simpset (get_sel_upd thy));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   347
29004
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
parents: 28965
diff changeset
   348
fun put_sel_upd names simps = RecordsData.map (fn {records,
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haftmann
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diff changeset
   349
  sel_upd = {selectors, updates, simpset},
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haftmann
parents: 28965
diff changeset
   350
    equalities, extinjects, extsplit, splits, extfields, fieldext} =>
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
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   351
  make_record_data records
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
parents: 28965
diff changeset
   352
    {selectors = fold (fn name => Symtab.update (name, ())) names selectors,
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
parents: 28965
diff changeset
   353
      updates = fold (fn name => Symtab.update ((suffix updateN) name, name)) names updates,
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
parents: 28965
diff changeset
   354
      simpset = Simplifier.addsimps (simpset, simps)}
a5a91f387791 removed Table.extend, NameSpace.extend_table
haftmann
parents: 28965
diff changeset
   355
      equalities extinjects extsplit splits extfields fieldext);
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   356
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   357
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   358
(* access 'equalities' *)
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   359
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   360
fun add_record_equalities name thm thy =
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   361
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   362
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   363
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   364
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   365
           (Symtab.update_new (name, thm) equalities) extinjects extsplit
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   366
           splits extfields fieldext;
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   367
  in RecordsData.put data thy end;
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   368
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   369
val get_equalities =Symtab.lookup o #equalities o RecordsData.get;
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   370
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   371
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   372
(* access 'extinjects' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   373
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   374
fun add_extinjects thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   375
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   376
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   377
          RecordsData.get thy;
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   378
    val data =
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   379
      make_record_data records sel_upd equalities (insert Thm.eq_thm_prop thm extinjects) extsplit
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   380
        splits extfields fieldext;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   381
  in RecordsData.put data thy end;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   382
22634
399e4b4835da canonical merge operations
haftmann
parents: 22596
diff changeset
   383
val get_extinjects = rev o #extinjects o RecordsData.get;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   384
22846
fb79144af9a3 simplified DataFun interfaces;
wenzelm
parents: 22747
diff changeset
   385
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   386
(* access 'extsplit' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   387
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   388
fun add_extsplit name thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   389
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   390
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   391
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   392
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   393
      equalities extinjects (Symtab.update_new (name, thm) extsplit) splits
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   394
      extfields fieldext;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   395
  in RecordsData.put data thy end;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   396
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   397
val get_extsplit = Symtab.lookup o #extsplit o RecordsData.get;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   398
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   399
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   400
(* access 'splits' *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   401
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   402
fun add_record_splits name thmP thy =
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   403
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   404
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   405
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   406
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   407
      equalities extinjects extsplit (Symtab.update_new (name, thmP) splits)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   408
      extfields fieldext;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   409
  in RecordsData.put data thy end;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   410
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   411
val get_splits = Symtab.lookup o #splits o RecordsData.get;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   412
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   413
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   414
(* parent/extension of named record *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   415
26088
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   416
val get_parent = (Option.join o Option.map #parent) oo (Symtab.lookup o #records o RecordsData.get);
9b48d0264ffd added get_parent (for AWE);
wenzelm
parents: 26065
diff changeset
   417
val get_extension = Option.map #extension oo (Symtab.lookup o #records o RecordsData.get);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   418
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   419
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   420
(* access 'extfields' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   421
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   422
fun add_extfields name fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   423
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   424
    val {records, sel_upd, equalities, extinjects, extsplit,splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   425
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   426
    val data = make_record_data records sel_upd
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   427
         equalities extinjects extsplit splits
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   428
         (Symtab.update_new (name, fields) extfields) fieldext;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   429
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   430
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   431
val get_extfields = Symtab.lookup o #extfields o RecordsData.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   432
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   433
fun get_extT_fields thy T =
15059
schirmer
parents: 15058
diff changeset
   434
  let
schirmer
parents: 15058
diff changeset
   435
    val ((name,Ts),moreT) = dest_recT T;
30364
577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents: 30345
diff changeset
   436
    val recname = let val (nm::recn::rst) = rev (Long_Name.explode name)
577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents: 30345
diff changeset
   437
                  in Long_Name.implode (rev (nm::rst)) end;
15059
schirmer
parents: 15058
diff changeset
   438
    val midx = maxidx_of_typs (moreT::Ts);
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   439
    val varifyT = varifyT midx;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   440
    val {records,extfields,...} = RecordsData.get thy;
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   441
    val (flds,(more,_)) = split_last (Symtab.lookup_list extfields name);
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   442
    val args = map varifyT (snd (#extension (the (Symtab.lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   443
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   444
    val subst = fold (Sign.typ_match thy) (but_last args ~~ but_last Ts) (Vartab.empty);
15059
schirmer
parents: 15058
diff changeset
   445
    val flds' = map (apsnd ((Envir.norm_type subst) o varifyT)) flds;
schirmer
parents: 15058
diff changeset
   446
  in (flds',(more,moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   447
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   448
fun get_recT_fields thy T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   449
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   450
    val (root_flds,(root_more,root_moreT)) = get_extT_fields thy T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   451
    val (rest_flds,rest_more) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   452
           if is_recT root_moreT then get_recT_fields thy root_moreT
15059
schirmer
parents: 15058
diff changeset
   453
           else ([],(root_more,root_moreT));
schirmer
parents: 15058
diff changeset
   454
  in (root_flds@rest_flds,rest_more) end;
schirmer
parents: 15058
diff changeset
   455
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   456
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   457
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   458
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   459
fun add_fieldext extname_types fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   460
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   461
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   462
           RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   463
    val fieldext' =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   464
      fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   465
    val data=make_record_data records sel_upd equalities extinjects extsplit
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   466
              splits extfields fieldext';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   467
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   468
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   469
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   470
val get_fieldext = Symtab.lookup o #fieldext o RecordsData.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   471
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   472
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   473
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   474
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   475
fun add_parents thy NONE parents = parents
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   476
  | add_parents thy (SOME (types, name)) parents =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   477
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   478
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   479
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   480
        val {args, parent, fields, extension, induct} =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   481
          (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
   482
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   483
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   484
        fun bad_inst ((x, S), T) =
22578
b0eb5652f210 removed obsolete sign_of/sign_of_thm;
wenzelm
parents: 22219
diff changeset
   485
          if Sign.of_sort thy (T, S) then NONE else SOME x
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   486
        val bads = List.mapPartial bad_inst (args ~~ types);
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   487
        val _ = null bads orelse err ("Ill-sorted instantiation of " ^ commas bads ^ " in");
12255
wenzelm
parents: 12247
diff changeset
   488
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   489
        val inst = map fst args ~~ types;
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   490
        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
   491
        val parent' = Option.map (apfst (map subst)) parent;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   492
        val fields' = map (apsnd subst) fields;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   493
        val extension' = apsnd (map subst) extension;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   494
      in
12255
wenzelm
parents: 12247
diff changeset
   495
        add_parents thy parent'
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   496
          (make_parent_info name fields' extension' induct :: parents)
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   497
      end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   498
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   499
21962
279b129498b6 removed conditional combinator;
wenzelm
parents: 21858
diff changeset
   500
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   501
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   502
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   503
(* decode type *)
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   504
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   505
fun decode_type thy t =
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   506
  let
23578
5ca3b23c09ed avoid polymorphic equality;
wenzelm
parents: 22846
diff changeset
   507
    fun get_sort xs n = AList.lookup (op =) xs (n: indexname) |> the_default (Sign.defaultS thy);
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   508
    val map_sort = Sign.intern_sort thy;
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   509
  in
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   510
    Syntax.typ_of_term (get_sort (Syntax.term_sorts map_sort t)) map_sort t
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   511
    |> Sign.intern_tycons thy
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   512
  end;
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   513
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   514
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   515
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   516
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   517
fun gen_field_tr mark sfx (t as Const (c, _) $ Const (name, _) $ arg) =
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   518
      if c = mark then Syntax.const (suffix sfx name) $ (Abs ("_",dummyT, arg))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   519
      else raise TERM ("gen_field_tr: " ^ mark, [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   520
  | gen_field_tr mark _ t = raise TERM ("gen_field_tr: " ^ mark, [t]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   521
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   522
fun gen_fields_tr sep mark sfx (tm as Const (c, _) $ t $ u) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   523
      if c = sep then gen_field_tr mark sfx t :: gen_fields_tr sep mark sfx u
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   524
      else [gen_field_tr mark sfx tm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   525
  | gen_fields_tr _ mark sfx tm = [gen_field_tr mark sfx tm];
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   526
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   527
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   528
fun record_update_tr [t, u] =
21078
101aefd61aac slight cleanup
haftmann
parents: 20951
diff changeset
   529
      Library.foldr (op $) (rev (gen_fields_tr "_updates" "_update" updateN u), t)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   530
  | record_update_tr ts = raise TERM ("record_update_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   531
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   532
fun update_name_tr (Free (x, T) :: ts) = Free (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   533
  | update_name_tr (Const (x, T) :: ts) = Const (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   534
  | update_name_tr (((c as Const ("_constrain", _)) $ t $ ty) :: ts) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   535
      (c $ update_name_tr [t] $ (Syntax.const "fun" $ ty $ Syntax.const "dummy")) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   536
  | update_name_tr ts = raise TERM ("update_name_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   537
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   538
fun dest_ext_field mark (t as (Const (c,_) $ Const (name,_) $ arg)) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   539
     if c = mark then (name,arg) else raise TERM ("dest_ext_field: " ^ mark, [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   540
  | dest_ext_field _ t = raise TERM ("dest_ext_field", [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   541
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   542
fun dest_ext_fields sep mark (trm as (Const (c,_) $ t $ u)) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   543
     if c = sep then dest_ext_field mark t::dest_ext_fields sep mark u
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   544
     else [dest_ext_field mark trm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   545
  | dest_ext_fields _ mark t = [dest_ext_field mark t]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   546
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   547
fun gen_ext_fields_tr sep mark sfx more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   548
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   549
    val thy = ProofContext.theory_of ctxt;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   550
    val msg = "error in record input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   551
    val fieldargs = dest_ext_fields sep mark t;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   552
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   553
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   554
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   555
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   556
          else raise TERM (msg ^ "expecting field " ^ field ^ " but got " ^ name, [t])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   557
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   558
      | splitargs (_::_) [] = raise TERM (msg ^ "expecting more fields", [t])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   559
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   560
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   561
    fun mk_ext (fargs as (name,arg)::_) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   562
         (case get_fieldext thy (Sign.intern_const thy name) of
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   563
            SOME (ext,_) => (case get_extfields thy ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   564
                               SOME flds
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   565
                                 => let val (args,rest) =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   566
                                               splitargs (map fst (but_last flds)) fargs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   567
                                        val more' = mk_ext rest;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   568
                                    in list_comb (Syntax.const (suffix sfx ext),args@[more'])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   569
                                    end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   570
                             | NONE => raise TERM(msg ^ "no fields defined for "
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   571
                                                   ^ ext,[t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   572
          | NONE => raise TERM (msg ^ name ^" is no proper field",[t]))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   573
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   574
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   575
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   576
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   577
fun gen_ext_type_tr sep mark sfx more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   578
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   579
    val thy = ProofContext.theory_of ctxt;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   580
    val msg = "error in record-type input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   581
    val fieldargs = dest_ext_fields sep mark t;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   582
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   583
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   584
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   585
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   586
          else raise TERM (msg ^ "expecting field " ^ field ^ " but got " ^ name, [t])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   587
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   588
      | splitargs (_::_) [] = raise TERM (msg ^ "expecting more fields", [t])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   589
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   590
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   591
    fun mk_ext (fargs as (name,arg)::_) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   592
         (case get_fieldext thy (Sign.intern_const thy name) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   593
            SOME (ext,alphas) =>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   594
              (case get_extfields thy ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   595
                 SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   596
                  => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   597
                       val flds' = but_last flds;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   598
                       val types = map snd flds';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   599
                       val (args,rest) = splitargs (map fst flds') fargs;
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   600
                       val argtypes = map (Sign.certify_typ thy o decode_type thy) args;
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   601
                       val midx =  fold (fn T => fn i => Int.max (maxidx_of_typ T, i))
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   602
                                    argtypes 0;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   603
                       val varifyT = varifyT midx;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   604
                       val vartypes = map varifyT types;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   605
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   606
                       val subst = fold (Sign.typ_match thy) (vartypes ~~ argtypes)
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   607
                                            Vartab.empty;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   608
                       val alphas' = map ((Syntax.term_of_typ (! Syntax.show_sorts)) o
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   609
                                          Envir.norm_type subst o varifyT)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   610
                                         (but_last alphas);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   611
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   612
                       val more' = mk_ext rest;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   613
                     in list_comb (Syntax.const (suffix sfx ext),alphas'@[more'])
19750
5281bd607206 tuned type print-translations
schirmer
parents: 19748
diff changeset
   614
                     end handle TYPE_MATCH => raise
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   615
                           TERM (msg ^ "type is no proper record (extension)", [t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   616
               | NONE => raise TERM (msg ^ "no fields defined for " ^ ext,[t]))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   617
          | NONE => raise TERM (msg ^ name ^" is no proper field",[t]))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   618
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   619
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   620
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   621
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   622
fun gen_adv_record_tr sep mark sfx unit ctxt [t] =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   623
      gen_ext_fields_tr sep mark sfx unit ctxt t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   624
  | gen_adv_record_tr _ _ _ _ _ ts = raise TERM ("gen_record_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   625
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   626
fun gen_adv_record_scheme_tr sep mark sfx ctxt [t, more] =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   627
      gen_ext_fields_tr sep mark sfx more ctxt t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   628
  | gen_adv_record_scheme_tr _ _ _ _ ts = raise TERM ("gen_record_scheme_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   629
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   630
fun gen_adv_record_type_tr sep mark sfx unit ctxt [t] =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   631
      gen_ext_type_tr sep mark sfx unit ctxt t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   632
  | gen_adv_record_type_tr _ _ _ _ _ ts = raise TERM ("gen_record_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   633
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   634
fun gen_adv_record_type_scheme_tr sep mark sfx ctxt [t, more] =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   635
      gen_ext_type_tr sep mark sfx more ctxt t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   636
  | gen_adv_record_type_scheme_tr _ _ _ _ ts = raise TERM ("gen_record_scheme_tr", ts);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   637
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   638
val adv_record_tr = gen_adv_record_tr "_fields" "_field" extN HOLogic.unit;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   639
val adv_record_scheme_tr = gen_adv_record_scheme_tr "_fields" "_field" extN;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   640
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   641
val adv_record_type_tr =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   642
      gen_adv_record_type_tr "_field_types" "_field_type" ext_typeN
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   643
        (Syntax.term_of_typ false (HOLogic.unitT));
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   644
val adv_record_type_scheme_tr =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   645
      gen_adv_record_type_scheme_tr "_field_types" "_field_type" ext_typeN;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   646
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   647
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   648
val parse_translation =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   649
 [("_record_update", record_update_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   650
  ("_update_name", update_name_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   651
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   652
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   653
val adv_parse_translation =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   654
 [("_record",adv_record_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   655
  ("_record_scheme",adv_record_scheme_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   656
  ("_record_type",adv_record_type_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   657
  ("_record_type_scheme",adv_record_type_scheme_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   658
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   659
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   660
(* print translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   661
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   662
val print_record_type_abbr = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   663
val print_record_type_as_fields = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   664
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   665
fun gen_field_upds_tr' mark sfx (tm as Const (name_field, _) $ k $ u) =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   666
  let val t = (case k of (Abs (_,_,(Abs (_,_,t)$Bound 0))) 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   667
                  => if null (loose_bnos t) then t else raise Match
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   668
               | Abs (x,_,t) => if null (loose_bnos t) then t else raise Match
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   669
               | _ => raise Match)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   670
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   671
      (* (case k of (Const ("K_record",_)$t) => t
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   672
               | Abs (x,_,Const ("K_record",_)$t$Bound 0) => t
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   673
               | _ => raise Match)*)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   674
  in
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   675
    (case try (unsuffix sfx) name_field of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   676
      SOME name =>
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   677
        apfst (cons (Syntax.const mark $ Syntax.free name $ t)) (gen_field_upds_tr' mark sfx u)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   678
     | NONE => ([], tm))
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   679
  end
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   680
  | gen_field_upds_tr' _ _ tm = ([], tm);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   681
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   682
fun record_update_tr' tm =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   683
  let val (ts, u) = gen_field_upds_tr' "_update" updateN tm in
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   684
    if null ts then raise Match
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   685
    else Syntax.const "_record_update" $ u $
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   686
          foldr1 (fn (v, w) => Syntax.const "_updates" $ v $ w) (rev ts)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   687
  end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   688
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   689
fun gen_field_tr' sfx tr' name =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   690
  let val name_sfx = suffix sfx name
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   691
  in (name_sfx, fn [t, u] => tr' (Syntax.const name_sfx $ t $ u) | _ => raise Match) end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   692
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   693
fun record_tr' sep mark record record_scheme unit ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   694
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   695
    val thy = ProofContext.theory_of ctxt;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   696
    fun field_lst t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   697
      (case strip_comb t of
17600
9ae09014730c bugfix in record_tr'
schirmer
parents: 17510
diff changeset
   698
        (Const (ext,_),args as (_::_))
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   699
         => (case try (unsuffix extN) (Sign.intern_const thy ext) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   700
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   701
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   702
                     SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   703
                     => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   704
                          val (f::fs) = but_last (map fst flds);
30364
577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents: 30345
diff changeset
   705
                          val flds' = Sign.extern_const thy f :: map Long_Name.base_name fs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   706
                          val (args',more) = split_last args;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   707
                         in (flds'~~args')@field_lst more end
19841
f2fa72c13186 avoid unqualified exception;
wenzelm
parents: 19750
diff changeset
   708
                         handle Library.UnequalLengths => [("",t)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   709
                   | NONE => [("",t)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   710
             | NONE => [("",t)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   711
       | _ => [("",t)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   712
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   713
    val (flds,(_,more)) = split_last (field_lst t);
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   714
    val _ = if null flds then raise Match else ();
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   715
    val flds' = map (fn (n,t)=>Syntax.const mark$Syntax.const n$t) flds;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   716
    val flds'' = foldr1 (fn (x,y) => Syntax.const sep$x$y) flds';
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   717
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   718
  in if unit more
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   719
     then Syntax.const record$flds''
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   720
     else Syntax.const record_scheme$flds''$more
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   721
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   722
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   723
fun gen_record_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   724
  let val name_sfx = suffix extN name;
26065
d80a49f51b94 fixed record pretty printing
kleing
parents: 25705
diff changeset
   725
      val unit = (fn Const (@{const_syntax "Product_Type.Unity"},_) => true | _ => false);
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   726
      fun tr' ctxt ts = record_tr' "_fields" "_field" "_record" "_record_scheme" unit ctxt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   727
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   728
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   729
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   730
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   731
fun print_translation names =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   732
  map (gen_field_tr' updateN record_update_tr') names;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   733
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   734
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   735
(* record_type_abbr_tr' tries to reconstruct the record name type abbreviation from *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   736
(* the (nested) extension types.                                                    *)
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   737
fun record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT ctxt tm =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   738
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   739
      val thy = ProofContext.theory_of ctxt;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   740
      (* tm is term representation of a (nested) field type. We first reconstruct the      *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   741
      (* type from tm so that we can continue on the type level rather then the term level.*)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   742
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   743
      (* WORKAROUND:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   744
       * If a record type occurs in an error message of type inference there
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   745
       * may be some internal frees donoted by ??:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   746
       * (Const "_tfree",_)$Free ("??'a",_).
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   747
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   748
       * This will unfortunately be translated to Type ("??'a",[]) instead of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   749
       * TFree ("??'a",_) by typ_of_term, which will confuse unify below.
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   750
       * fixT works around.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   751
       *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   752
      fun fixT (T as Type (x,[])) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   753
            if String.isPrefix "??'" x then TFree (x,Sign.defaultS thy) else T
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   754
        | fixT (Type (x,xs)) = Type (x,map fixT xs)
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   755
        | fixT T = T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   756
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   757
      val T = fixT (decode_type thy tm);
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   758
      val midx = maxidx_of_typ T;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   759
      val varifyT = varifyT midx;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   760
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   761
      fun mk_type_abbr subst name alphas =
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   762
          let val abbrT = Type (name, map (fn a => varifyT (TFree (a, Sign.defaultS thy))) alphas);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   763
          in Syntax.term_of_typ (! Syntax.show_sorts)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   764
               (Sign.extern_typ thy (Envir.norm_type subst abbrT)) end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   765
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   766
      fun match rT T = (Sign.typ_match thy (varifyT rT,T)
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   767
                                                Vartab.empty);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   768
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   769
   in if !print_record_type_abbr
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   770
      then (case last_extT T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   771
             SOME (name,_)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   772
              => if name = lastExt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   773
                 then
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   774
                  (let
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   775
                     val subst = match schemeT T
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   776
                   in
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   777
                    if HOLogic.is_unitT (Envir.norm_type subst (varifyT (TFree(zeta,Sign.defaultS thy))))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   778
                    then mk_type_abbr subst abbr alphas
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   779
                    else mk_type_abbr subst (suffix schemeN abbr) (alphas@[zeta])
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   780
                   end handle TYPE_MATCH => default_tr' ctxt tm)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   781
                 else raise Match (* give print translation of specialised record a chance *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   782
            | _ => raise Match)
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   783
       else default_tr' ctxt tm
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   784
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   785
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   786
fun record_type_tr' sep mark record record_scheme ctxt t =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   787
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   788
    val thy = ProofContext.theory_of ctxt;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   789
22693
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   790
    val T = decode_type thy t;
fb5e080fa82b adapted decode_type;
wenzelm
parents: 22675
diff changeset
   791
    val varifyT = varifyT (Term.maxidx_of_typ T);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   792
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   793
    fun term_of_type T = Syntax.term_of_typ (!Syntax.show_sorts) (Sign.extern_typ thy T);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   794
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   795
    fun field_lst T =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   796
      (case T of
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   797
        Type (ext, args)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   798
         => (case try (unsuffix ext_typeN) ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   799
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   800
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   801
                     SOME flds
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   802
                     => (case get_fieldext thy (fst (hd flds)) of
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   803
                           SOME (_, alphas)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   804
                           => (let
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   805
                                val (f :: fs) = but_last flds;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   806
                                val flds' = apfst (Sign.extern_const thy) f
30364
577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents: 30345
diff changeset
   807
                                  :: map (apfst Long_Name.base_name) fs;
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   808
                                val (args', more) = split_last args;
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   809
                                val alphavars = map varifyT (but_last alphas);
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   810
                                val subst = fold2 (curry (Sign.typ_match thy))
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   811
                                  alphavars args' Vartab.empty;
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   812
                                val flds'' = (map o apsnd)
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   813
                                  (Envir.norm_type subst o varifyT) flds';
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   814
                              in flds'' @ field_lst more end
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   815
                              handle TYPE_MATCH => [("", T)]
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   816
                                  | Library.UnequalLengths => [("", T)])
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   817
                         | NONE => [("", T)])
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   818
                   | NONE => [("", T)])
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   819
             | NONE => [("", T)])
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   820
        | _ => [("", T)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   821
22219
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   822
    val (flds, (_, moreT)) = split_last (field_lst T);
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   823
    val flds' = map (fn (n, T) => Syntax.const mark $ Syntax.const n $ term_of_type T) flds;
61b5bab471ce print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents: 21962
diff changeset
   824
    val flds'' = foldr1 (fn (x, y) => Syntax.const sep $ x $ y) flds' handle Empty => raise Match;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   825
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   826
  in if not (!print_record_type_as_fields) orelse null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   827
     else if moreT = HOLogic.unitT
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   828
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   829
          else Syntax.const record_scheme$flds''$term_of_type moreT
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   830
  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   831
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   832
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   833
fun gen_record_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   834
  let val name_sfx = suffix ext_typeN name;
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   835
      fun tr' ctxt ts = record_type_tr' "_field_types" "_field_type"
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   836
                       "_record_type" "_record_type_scheme" ctxt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   837
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   838
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   839
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   840
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   841
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   842
fun gen_record_type_abbr_tr' abbr alphas zeta lastExt schemeT name =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   843
  let val name_sfx = suffix ext_typeN name;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   844
      val default_tr' = record_type_tr' "_field_types" "_field_type"
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   845
                               "_record_type" "_record_type_scheme"
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   846
      fun tr' ctxt ts =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   847
          record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT ctxt
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   848
                               (list_comb (Syntax.const name_sfx,ts))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   849
  in (name_sfx, tr') end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   850
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   851
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
   852
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   853
val record_quick_and_dirty_sensitive = ref false;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   854
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   855
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   856
fun quick_and_dirty_prove stndrd thy asms prop tac =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   857
  if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
20049
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   858
  then Goal.prove (ProofContext.init thy) [] []
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   859
        (Logic.list_implies (map Logic.varify asms,Logic.varify prop))
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
   860
        (K (SkipProof.cheat_tac @{theory HOL}))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   861
        (* standard can take quite a while for large records, thats why
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   862
         * we varify the proposition manually here.*)
20049
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   863
  else let val prf = Goal.prove (ProofContext.init thy) [] asms prop tac;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   864
       in if stndrd then standard prf else prf end;
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   865
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   866
fun quick_and_dirty_prf noopt opt () =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   867
      if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   868
      then noopt ()
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   869
      else opt ();
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   870
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   871
local
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   872
fun abstract_over_fun_app (Abs (f,fT,t)) =
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   873
  let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   874
     val (f',t') = Term.dest_abs (f,fT,t);
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   875
     val T = domain_type fT;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   876
     val (x,T') = hd (Term.variant_frees t' [("x",T)]);
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   877
     val f_x = Free (f',fT)$(Free (x,T'));
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   878
     fun is_constr (Const (c,_)$_) = can (unsuffix extN) c
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   879
       | is_constr _ = false;
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   880
     fun subst (t as u$w) = if Free (f',fT)=u
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   881
                            then if is_constr w then f_x
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   882
                                 else raise TERM ("abstract_over_fun_app",[t])
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   883
                            else subst u$subst w
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   884
       | subst (Abs (x,T,t)) = (Abs (x,T,subst t))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   885
       | subst t = t
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   886
     val t'' = abstract_over (f_x,subst t');
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   887
     val vars = strip_qnt_vars "all" t'';
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   888
     val bdy = strip_qnt_body "all" t'';
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   889
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   890
  in list_abs ((x,T')::vars,bdy) end
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   891
  | abstract_over_fun_app t = raise TERM ("abstract_over_fun_app",[t]);
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   892
(* Generates a theorem of the kind:
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   893
 * !!f x*. PROP P (f ( r x* ) x* == !!r x*. PROP P r x*
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   894
 *)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   895
fun mk_fun_apply_eq (Abs (f, fT, t)) thy =
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   896
  let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   897
    val rT = domain_type fT;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   898
    val vars = Term.strip_qnt_vars "all" t;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   899
    val Ts = map snd vars;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   900
    val n = length vars;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   901
    fun app_bounds 0 t = t$Bound 0
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   902
      | app_bounds n t = if n > 0 then app_bounds (n-1) (t$Bound n) else t
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   903
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   904
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   905
    val [P,r] = Term.variant_frees t [("P",rT::Ts--->Term.propT),("r",Ts--->rT)];
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   906
    val prop = Logic.mk_equals
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   907
                (list_all ((f,fT)::vars,
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   908
                           app_bounds (n - 1) ((Free P)$(Bound n$app_bounds (n-1) (Free r)))),
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   909
                 list_all ((fst r,rT)::vars,
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   910
                           app_bounds (n - 1) ((Free P)$Bound n)));
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   911
    val prove_standard = quick_and_dirty_prove true thy;
27217
ddce31131fee prove_standard: more precises argument passing;
wenzelm
parents: 27104
diff changeset
   912
    val thm = prove_standard [] prop (fn _ =>
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   913
	 EVERY [rtac equal_intr_rule 1,
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21546
diff changeset
   914
                Goal.norm_hhf_tac 1,REPEAT (etac meta_allE 1), atac 1,
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21546
diff changeset
   915
                Goal.norm_hhf_tac 1,REPEAT (etac meta_allE 1), atac 1]);
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   916
  in thm end
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   917
  | mk_fun_apply_eq t thy = raise TERM ("mk_fun_apply_eq",[t]);
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   918
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   919
in
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   920
(* During proof of theorems produced by record_simproc you can end up in
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   921
 * situations like "!!f ... . ... f r ..." where f is an extension update function.
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   922
 * In order to split "f r" we transform this to "!!r ... . ... r ..." so that the
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   923
 * usual split rules for extensions can apply.
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   924
 *)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   925
val record_split_f_more_simproc =
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
   926
  Simplifier.simproc @{theory HOL} "record_split_f_more_simp" ["x"]
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   927
    (fn thy => fn _ => fn t =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   928
      (case t of (Const ("all", Type (_, [Type (_, [Type("fun",[T,T']), _]), _])))$
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   929
                  (trm as Abs _) =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   930
         (case rec_id (~1) T of
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   931
            "" => NONE
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   932
          | n => if T=T'
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   933
                 then (let
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   934
                        val P=cterm_of thy (abstract_over_fun_app trm);
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   935
                        val thm = mk_fun_apply_eq trm thy;
29265
5b4247055bd7 moved old add_term_vars, add_term_frees etc. to structure OldTerm;
wenzelm
parents: 29064
diff changeset
   936
                        val PV = cterm_of thy (hd (OldTerm.term_vars (prop_of thm)));
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   937
                        val thm' = cterm_instantiate [(PV,P)] thm;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   938
                       in SOME  thm' end handle TERM _ => NONE)
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   939
                else NONE)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   940
       | _ => NONE))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   941
end
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   942
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   943
fun prove_split_simp thy ss T prop =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   944
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   945
    val {sel_upd={simpset,...},extsplit,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   946
    val extsplits =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   947
            Library.foldl (fn (thms,(n,_)) => the_list (Symtab.lookup extsplit n) @ thms)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   948
                    ([],dest_recTs T);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   949
    val thms = (case get_splits thy (rec_id (~1) T) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   950
                   SOME (all_thm,_,_,_) =>
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   951
                     all_thm::(case extsplits of [thm] => [] | _ => extsplits)
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   952
                              (* [thm] is the same as all_thm *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   953
                 | NONE => extsplits)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   954
    val thms'=K_comp_convs@thms;
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
   955
    val ss' = (Simplifier.inherit_context ss simpset
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   956
                addsimps thms'
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   957
                addsimprocs [record_split_f_more_simproc]);
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   958
  in
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   959
    quick_and_dirty_prove true thy [] prop (fn _ => simp_tac ss' 1)
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   960
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   961
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   962
15059
schirmer
parents: 15058
diff changeset
   963
local
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   964
fun eq (s1:string) (s2:string) = (s1 = s2);
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   965
fun has_field extfields f T =
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   966
     exists (fn (eN,_) => exists (eq f o fst) (Symtab.lookup_list extfields eN))
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   967
       (dest_recTs T);
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   968
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   969
fun K_skeleton n (T as Type (_,[_,kT])) (b as Bound i) (Abs (x,xT,t)) =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   970
     if null (loose_bnos t) then ((n,kT),(Abs (x,xT,Bound (i+1)))) else ((n,T),b)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   971
  | K_skeleton n T b _ = ((n,T),b);
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   972
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   973
(*
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   974
fun K_skeleton n _ b ((K_rec as Const ("Record.K_record",Type (_,[kT,_])))$_) = 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   975
      ((n,kT),K_rec$b)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   976
  | K_skeleton n _ (Bound i) 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   977
      (Abs (x,T,(K_rec as Const ("Record.K_record",Type (_,[kT,_])))$_$Bound 0)) =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   978
        ((n,kT),Abs (x,T,(K_rec$Bound (i+1)$Bound 0)))
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   979
  | K_skeleton n T b  _ = ((n,T),b);
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   980
 *)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   981
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   982
fun normalize_rhs thm =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   983
  let
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   984
     val ss = HOL_basic_ss addsimps K_comp_convs; 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   985
     val rhs = thm |> Thm.cprop_of |> Thm.dest_comb |> snd;
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   986
     val rhs' = (Simplifier.rewrite ss rhs);
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
   987
  in Thm.transitive thm rhs' end;
15059
schirmer
parents: 15058
diff changeset
   988
in
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   989
(* record_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   990
(* Simplifies selections of an record update:
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   991
 *  (1)  S (S_update k r) = k (S r)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   992
 *  (2)  S (X_update k r) = S r
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   993
 * The simproc skips multiple updates at once, eg:
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   994
 *  S (X_update x (Y_update y (S_update k r))) = k (S r)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   995
 * But be careful in (2) because of the extendibility of records.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   996
 * - If S is a more-selector we have to make sure that the update on component
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   997
 *   X does not affect the selected subrecord.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   998
 * - If X is a more-selector we have to make sure that S is not in the updated
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   999
 *   subrecord.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1000
 *)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1001
val record_simproc =
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
  1002
  Simplifier.simproc @{theory HOL} "record_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1003
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1004
      (case t of (sel as Const (s, Type (_,[domS,rangeS])))$
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1005
                   ((upd as Const (u,Type(_,[_,Type (_,[rT,_])]))) $ k $ r)=>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1006
        if is_selector thy s then
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1007
          (case get_updates thy u of SOME u_name =>
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1008
            let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1009
              val {sel_upd={updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1010
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1011
              fun mk_eq_terms ((upd as Const (u,Type(_,[kT,_]))) $ k $ r) =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
  1012
                  (case Symtab.lookup updates u of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1013
                     NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1014
                   | SOME u_name
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1015
                     => if u_name = s
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1016
                        then (case mk_eq_terms r of
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1017
                               NONE =>
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1018
                                 let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1019
                                   val rv = ("r",rT)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1020
                                   val rb = Bound 0
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1021
                                   val (kv,kb) = K_skeleton "k" kT (Bound 1) k;
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1022
                                  in SOME (upd$kb$rb,kb$(sel$rb),[kv,rv]) end
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1023
                              | SOME (trm,trm',vars) =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1024
                                 let
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1025
                                   val (kv,kb) = K_skeleton "k" kT (Bound (length vars)) k;
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1026
                                 in SOME (upd$kb$trm,kb$trm',kv::vars) end)
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
  1027
                        else if has_field extfields u_name rangeS
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1028
                             orelse has_field extfields s (domain_type kT)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1029
                             then NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1030
                             else (case mk_eq_terms r of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1031
                                     SOME (trm,trm',vars)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1032
                                     => let
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1033
                                          val (kv,kb) = 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1034
                                                 K_skeleton "k" kT (Bound (length vars)) k;
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1035
                                        in SOME (upd$kb$trm,trm',kv::vars) end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1036
                                   | NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1037
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1038
                                          val rv = ("r",rT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1039
                                          val rb = Bound 0
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1040
                                          val (kv,kb) = K_skeleton "k" kT (Bound 1) k;
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1041
                                        in SOME (upd$kb$rb,sel$rb,[kv,rv]) end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1042
                | mk_eq_terms r = NONE
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1043
            in
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1044
              (case mk_eq_terms (upd$k$r) of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1045
                 SOME (trm,trm',vars)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1046
                 => SOME (prove_split_simp thy ss domS
27330
1af2598b5f7d Logic.all/mk_equals/mk_implies;
wenzelm
parents: 27278
diff changeset
  1047
                                 (list_all(vars, Logic.mk_equals (sel $ trm, trm'))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1048
               | NONE => NONE)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1049
            end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1050
          | NONE => NONE)
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1051
        else NONE
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1052
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1053
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1054
(* record_upd_simproc *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1055
(* simplify multiple updates:
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1056
 *  (1)  "N_update y (M_update g (N_update x (M_update f r))) =
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1057
          (N_update (y o x) (M_update (g o f) r))"
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1058
 *  (2)  "r(|M:= M r|) = r"
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1059
 * For (2) special care of "more" updates has to be taken:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1060
 *    r(|more := m; A := A r|)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1061
 * If A is contained in the fields of m we cannot remove the update A := A r!
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1062
 * (But r(|more := r; A := A (r(|more := r|))|) = r(|more := r|)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1063
*)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1064
val record_upd_simproc =
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
  1065
  Simplifier.simproc @{theory HOL} "record_upd_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1066
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1067
      (case t of ((upd as Const (u, Type(_,[_,Type(_,[rT,_])]))) $ k $ r) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1068
         let datatype ('a,'b) calc = Init of 'b | Inter of 'a
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1069
             val {sel_upd={selectors,updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1070
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1071
             (*fun mk_abs_var x t = (x, fastype_of t);*)
30364
577edc39b501 moved basic algebra of long names from structure NameSpace to Long_Name;
wenzelm
parents: 30345
diff changeset
  1072
             fun sel_name u = Long_Name.base_name (unsuffix updateN u);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1073
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1074
             fun seed s (upd as Const (more,Type(_,[mT,_]))$ k $ r) =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1075
                  if has_field extfields s (domain_type' mT) then upd else seed s r
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1076
               | seed _ r = r;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1077
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1078
             fun grow u uT k kT vars (sprout,skeleton) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1079
                   if sel_name u = moreN
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1080
                   then let val (kv,kb) = K_skeleton "k" kT (Bound (length vars)) k;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1081
                        in ((Const (u,uT)$k$sprout,Const (u,uT)$kb$skeleton),kv::vars) end
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1082
                   else ((sprout,skeleton),vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1083
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1084
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1085
             fun dest_k (Abs (x,T,((sel as Const (s,_))$r))) =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1086
                  if null (loose_bnos r) then SOME (x,T,sel,s,r) else NONE
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1087
               | dest_k (Abs (_,_,(Abs (x,T,((sel as Const (s,_))$r)))$Bound 0)) =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1088
                  (* eta expanded variant *)
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1089
                  if null (loose_bnos r) then SOME (x,T,sel,s,r) else NONE
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1090
               | dest_k _ = NONE;
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1091
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1092
             fun is_upd_same (sprout,skeleton) u k =
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1093
               (case dest_k k of SOME (x,T,sel,s,r) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1094
                   if (unsuffix updateN u) = s andalso (seed s sprout) = r
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1095
                   then SOME (fn t => Abs (x,T,incr_boundvars 1 t),sel,seed s skeleton)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1096
                   else NONE
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1097
                | NONE => NONE);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1098
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1099
             fun init_seed r = ((r,Bound 0), [("r", rT)]);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1100
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1101
             fun add (n:string) f fmaps =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1102
               (case AList.lookup (op =) fmaps n of
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1103
                  NONE => AList.update (op =) (n,[f]) fmaps
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1104
                | SOME fs => AList.update (op =) (n,f::fs) fmaps)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1105
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1106
             fun comps (n:string) T fmaps =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1107
               (case AList.lookup (op =) fmaps n of
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1108
                 SOME fs =>
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1109
                   foldr1 (fn (f,g) => Const ("Fun.comp",(T-->T)-->(T-->T)-->(T-->T))$f$g) fs
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1110
                | NONE => error ("record_upd_simproc.comps"))
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1111
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1112
             (* mk_updterm returns either
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1113
              *  - Init (orig-term, orig-term-skeleton, vars) if no optimisation can be made,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1114
              *     where vars are the bound variables in the skeleton
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1115
              *  - Inter (orig-term-skeleton,simplified-term-skeleton,
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1116
              *           vars, (term-sprout, skeleton-sprout))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1117
              *     where "All vars. orig-term-skeleton = simplified-term-skeleton" is
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1118
              *     the desired simplification rule,
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1119
              *     the sprouts accumulate the "more-updates" on the way from the seed
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1120
              *     to the outermost update. It is only relevant to calculate the
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1121
              *     possible simplification for (2)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1122
              * The algorithm first walks down the updates to the seed-record while
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1123
              * memorising the updates in the already-table. While walking up the
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1124
              * updates again, the optimised term is constructed.
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1125
              *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1126
             fun mk_updterm upds already
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1127
                 (t as ((upd as Const (u,uT as (Type (_,[kT,_])))) $ k $ r)) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1128
                 if Symtab.defined upds u
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1129
                 then let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1130
                         fun rest already = mk_updterm upds already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1131
                      in if u mem_string already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1132
                         then (case (rest already r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1133
                                 Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1134
                                 let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1135
                                   val n = sel_name u;
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1136
                                   val (kv,kb) = K_skeleton n kT (Bound (length vars)) k;
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1137
                                   val (sprout',vars')= grow u uT k kT (kv::vars) (sprout,skel);
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1138
                                 in Inter (upd$kb$skel,skel,vars',add n kb [],sprout') end
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1139
                               | Inter (trm,trm',vars,fmaps,sprout) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1140
                                 let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1141
                                   val n = sel_name u;
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1142
                                   val (kv,kb) = K_skeleton n kT (Bound (length vars)) k;
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1143
                                   val (sprout',vars') = grow u uT k kT (kv::vars) sprout;
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1144
                                 in Inter(upd$kb$trm,trm',kv::vars',add n kb fmaps,sprout')
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1145
                                 end)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1146
                         else
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1147
                          (case rest (u::already) r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1148
                             Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1149
                              (case is_upd_same (sprout,skel) u k of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1150
                                 SOME (K_rec,sel,skel') =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1151
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1152
                                   val (sprout',vars') = grow u uT k kT vars (sprout,skel);
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1153
                                  in Inter(upd$(K_rec (sel$skel'))$skel,skel,vars',[],sprout')
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1154
                                  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1155
                               | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1156
                                 let
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1157
                                   val n = sel_name u;
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1158
                                   val (kv,kb) = K_skeleton n kT (Bound (length vars)) k;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1159
                                 in Init ((upd$k$sprout,upd$kb$skel),kv::vars) end)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1160
                           | Inter (trm,trm',vars,fmaps,sprout) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1161
                               (case is_upd_same sprout u k of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1162
                                  SOME (K_rec,sel,skel) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1163
                                  let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1164
                                    val (sprout',vars') = grow u uT k kT vars sprout
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1165
                                  in Inter(upd$(K_rec (sel$skel))$trm,trm',vars',fmaps,sprout')
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1166
                                  end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1167
                                | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1168
                                  let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1169
                                    val n = sel_name u
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1170
                                    val T = domain_type kT
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1171
                                    val (kv,kb) = K_skeleton n kT (Bound (length vars)) k;
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1172
                                    val (sprout',vars') = grow u uT k kT (kv::vars) sprout
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1173
                                    val fmaps' = add n kb fmaps
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1174
                                  in Inter (upd$kb$trm,upd$comps n T fmaps'$trm'
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1175
                                           ,vars',fmaps',sprout') end))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1176
                     end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1177
                 else Init (init_seed t)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1178
               | mk_updterm _ _ t = Init (init_seed t);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1179
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1180
         in (case mk_updterm updates [] t of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1181
               Inter (trm,trm',vars,_,_)
25705
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1182
                => SOME (normalize_rhs 
45a2ffc5911e replaced K_record by lambda term %x. c
schirmer
parents: 25179
diff changeset
  1183
                          (prove_split_simp thy ss rT
27330
1af2598b5f7d Logic.all/mk_equals/mk_implies;
wenzelm
parents: 27278
diff changeset
  1184
                            (list_all(vars, Logic.mk_equals (trm, trm')))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1185
             | _ => NONE)
24867
e5b55d7be9bb simplified interfaces for outer syntax;
wenzelm
parents: 24830
diff changeset
  1186
         end
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1187
       | _ => NONE))
15059
schirmer
parents: 15058
diff changeset
  1188
end
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1189
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1190
(* record_eq_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1191
(* looks up the most specific record-equality.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1192
 * Note on efficiency:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1193
 * Testing equality of records boils down to the test of equality of all components.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1194
 * Therefore the complexity is: #components * complexity for single component.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1195
 * Especially if a record has a lot of components it may be better to split up
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1196
 * the record first and do simplification on that (record_split_simp_tac).
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1197
 * e.g. r(|lots of updates|) = x
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1198
 *
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1199
 *               record_eq_simproc       record_split_simp_tac
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1200
 * Complexity: #components * #updates     #updates
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1201
 *
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1202
 *)
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1203
val record_eq_simproc =
29064
70a61d58460e more antiquotations;
wenzelm
parents: 29004
diff changeset
  1204
  Simplifier.simproc @{theory HOL} "record_eq_simp" ["r = s"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1205
    (fn thy => fn _ => fn t =>
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1206
      (case t of Const ("op =", Type (_, [T, _])) $ _ $ _ =>