src/HOL/Tools/record_package.ML
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(*  Title:      HOL/Tools/record_package.ML
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    ID:         $Id$
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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_PACKAGE =
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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_PACKAGE =
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sig
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  include BASIC_RECORD_PACKAGE
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  val quiet_mode: 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 KN: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_extension: theory -> Symtab.key -> (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 add_record: string list * string -> string option -> (string * string * mixfix) list
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    -> theory -> theory
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  val add_record_i: 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 RecordPackage: RECORD_PACKAGE =
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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.Pair_eq";
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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_apply = thm "Record.K_record_apply";
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val K_comp_convs = [o_apply,K_record_apply]
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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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val KN = "Record.K_record";
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(*see typedef_package.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 the_plist (SOME (a,b)) = [a,b]
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  | the_plist NONE = raise Option;
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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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val quiet_mode = ref false;
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fun message s = if ! quiet_mode then () else writeln s;
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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 ^ (Display.raw_string_of_term t));
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(* timing *)
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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 = NameSpace.map_base (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 :==) = Logic.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 ("RecordPackage.dest_recT", [typ], [])
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      | SOME c => ((c, Ts), List.last Ts))
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  | dest_recT typ = raise TYPE ("RecordPackage.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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(* data kind 'HOL/record' *)
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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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(struct
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  val name = "HOL/record"; 
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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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wenzelm
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   301
        simpset = Simplifier.merge_ss (ss1, ss2)}
14255
e6e3e3f0deed Records:
schirmer
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   302
      (Symtab.merge Thm.eq_thm (equalities1, equalities2))
15248
b436486091a6 record_split_simp_tac now can get simp rules as parameter
schirmer
parents: 15215
diff changeset
   303
      (gen_merge_lists Thm.eq_thm extinjects1 extinjects2)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
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   304
      (Symtab.merge Thm.eq_thm (extsplit1,extsplit2))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   305
      (Symtab.merge (fn ((a,b,c,d),(w,x,y,z))
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   306
                     => Thm.eq_thm (a,w) andalso Thm.eq_thm (b,x) andalso
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   307
                        Thm.eq_thm (c,y) andalso Thm.eq_thm (d,z))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
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diff changeset
   308
                    (splits1, splits2))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   309
      (Symtab.merge (K true) (extfields1,extfields2))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   310
      (Symtab.merge (K true) (fieldext1,fieldext2));
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   311
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
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   312
  fun print thy ({records = recs, ...}: record_data) =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   313
    let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   314
      val prt_typ = Sign.pretty_typ thy;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   315
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   316
      fun pretty_parent NONE = []
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   317
        | pretty_parent (SOME (Ts, name)) =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   318
            [Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]];
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   319
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   320
      fun pretty_field (c, T) = Pretty.block
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   321
        [Pretty.str (Sign.extern_const thy c), Pretty.str " ::",
12129
964f5ffe13d0 fixed print_records;
wenzelm
parents: 12109
diff changeset
   322
          Pretty.brk 1, Pretty.quote (prt_typ T)];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   323
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   324
      fun pretty_record (name, {args, parent, fields, ...}: record_info) =
11927
96f267adc029 provodes induct/cases for use with corresponding Isar methods;
wenzelm
parents: 11923
diff changeset
   325
        Pretty.block (Pretty.fbreaks (Pretty.block
96f267adc029 provodes induct/cases for use with corresponding Isar methods;
wenzelm
parents: 11923
diff changeset
   326
          [prt_typ (Type (name, map TFree args)), Pretty.str " = "] ::
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   327
          pretty_parent parent @ map pretty_field fields));
12129
964f5ffe13d0 fixed print_records;
wenzelm
parents: 12109
diff changeset
   328
    in map pretty_record (Symtab.dest recs) |> Pretty.chunks |> Pretty.writeln end;
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   329
end);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   330
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   331
val print_records = RecordsData.print;
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   332
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   333
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   334
(* access 'records' *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   335
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   336
val get_record = Symtab.lookup o #records o RecordsData.get;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   337
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   338
fun put_record name info thy =
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   339
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   340
    val {records, sel_upd, equalities, extinjects,extsplit,splits,extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   341
          RecordsData.get thy;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   342
    val data = make_record_data (Symtab.update (name, info) records)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   343
      sel_upd equalities extinjects extsplit splits extfields fieldext;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   344
  in RecordsData.put data thy end;
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   345
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   346
(* access 'sel_upd' *)
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   347
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   348
val get_sel_upd = #sel_upd o RecordsData.get;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   349
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
   350
val is_selector = Symtab.defined o #selectors o get_sel_upd;
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   351
val get_updates = Symtab.lookup o #updates o get_sel_upd;
17892
62c397c17d18 Simplifier.theory_context;
wenzelm
parents: 17875
diff changeset
   352
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
   353
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   354
fun put_sel_upd names simps thy =
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   355
  let
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   356
    val sels = map (rpair ()) names;
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   357
    val upds = map (suffix updateN) names ~~ names;
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   358
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   359
    val {records, sel_upd = {selectors, updates, simpset},
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   360
      equalities, extinjects, extsplit, splits, extfields,fieldext} = RecordsData.get thy;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   361
    val data = make_record_data records
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   362
      {selectors = Symtab.extend (selectors, sels),
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   363
        updates = Symtab.extend (updates, upds),
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   364
        simpset = Simplifier.addsimps (simpset, simps)}
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   365
       equalities extinjects extsplit splits extfields fieldext;
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   366
  in RecordsData.put data thy end;
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   367
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   368
(* access 'equalities' *)
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   369
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   370
fun add_record_equalities name thm thy =
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   371
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   372
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   373
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   374
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   375
           (Symtab.update_new (name, thm) equalities) extinjects extsplit
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   376
           splits extfields fieldext;
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   377
  in RecordsData.put data thy end;
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   378
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   379
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
   380
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   381
(* access 'extinjects' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   382
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   383
fun add_extinjects thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   384
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   385
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   386
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   387
    val data = make_record_data records sel_upd equalities (extinjects@[thm]) extsplit
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   388
                 splits extfields fieldext;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   389
  in RecordsData.put data thy end;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   390
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   391
fun get_extinjects thy = #extinjects (RecordsData.get thy);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   392
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   393
(* access 'extsplit' *)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   394
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   395
fun add_extsplit name thm thy =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   396
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   397
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   398
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   399
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   400
      equalities extinjects (Symtab.update_new (name, thm) extsplit) splits
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   401
      extfields fieldext;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   402
  in RecordsData.put data thy end;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   403
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   404
val get_extsplit = Symtab.lookup o #extsplit o RecordsData.get;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   405
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   406
(* access 'splits' *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   407
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   408
fun add_record_splits name thmP thy =
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   409
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   410
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   411
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   412
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   413
      equalities extinjects extsplit (Symtab.update_new (name, thmP) splits)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   414
      extfields fieldext;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   415
  in RecordsData.put data thy end;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   416
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   417
val get_splits = Symtab.lookup o #splits o RecordsData.get;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   418
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   419
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   420
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   421
(* extension of a record name *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   422
val get_extension =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   423
  Option.map #extension oo (Symtab.lookup o #records o RecordsData.get);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   424
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   425
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   426
(* access 'extfields' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   427
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   428
fun add_extfields name fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   429
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   430
    val {records, sel_upd, equalities, extinjects, extsplit,splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   431
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   432
    val data = make_record_data records sel_upd
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   433
         equalities extinjects extsplit splits
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   434
         (Symtab.update_new (name, fields) extfields) fieldext;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   435
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   436
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   437
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
   438
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   439
fun get_extT_fields thy T =
15059
schirmer
parents: 15058
diff changeset
   440
  let
schirmer
parents: 15058
diff changeset
   441
    val ((name,Ts),moreT) = dest_recT T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   442
    val recname = let val (nm::recn::rst) = rev (NameSpace.unpack name)
15059
schirmer
parents: 15058
diff changeset
   443
                  in NameSpace.pack (rev (nm::rst)) end;
schirmer
parents: 15058
diff changeset
   444
    val midx = maxidx_of_typs (moreT::Ts);
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   445
    val varifyT = varifyT midx;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   446
    val {records,extfields,...} = RecordsData.get thy;
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   447
    val (flds,(more,_)) = split_last (Symtab.lookup_list extfields name);
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   448
    val args = map varifyT (snd (#extension (the (Symtab.lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   449
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   450
    val subst = fold (Sign.typ_match thy) (but_last args ~~ but_last Ts) (Vartab.empty);
15059
schirmer
parents: 15058
diff changeset
   451
    val flds' = map (apsnd ((Envir.norm_type subst) o varifyT)) flds;
schirmer
parents: 15058
diff changeset
   452
  in (flds',(more,moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   453
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   454
fun get_recT_fields thy T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   455
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   456
    val (root_flds,(root_more,root_moreT)) = get_extT_fields thy T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   457
    val (rest_flds,rest_more) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   458
           if is_recT root_moreT then get_recT_fields thy root_moreT
15059
schirmer
parents: 15058
diff changeset
   459
           else ([],(root_more,root_moreT));
schirmer
parents: 15058
diff changeset
   460
  in (root_flds@rest_flds,rest_more) end;
schirmer
parents: 15058
diff changeset
   461
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   462
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   463
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   464
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   465
fun add_fieldext extname_types fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   466
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   467
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   468
           RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   469
    val fieldext' =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   470
      fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   471
    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
   472
              splits extfields fieldext';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   473
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   474
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   475
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   476
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
   477
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   478
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   479
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   480
fun add_parents thy NONE parents = parents
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   481
  | add_parents thy (SOME (types, name)) parents =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   482
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   483
        val sign = Theory.sign_of thy;
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   484
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   485
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   486
        val {args, parent, fields, extension, induct} =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   487
          (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
   488
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   489
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   490
        fun bad_inst ((x, S), T) =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   491
          if Sign.of_sort sign (T, S) then NONE else SOME x
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   492
        val bads = List.mapPartial bad_inst (args ~~ types);
12255
wenzelm
parents: 12247
diff changeset
   493
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   494
        val inst = map fst args ~~ types;
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   495
        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
   496
        val parent' = Option.map (apfst (map subst)) parent;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   497
        val fields' = map (apsnd subst) fields;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   498
        val extension' = apsnd (map subst) extension;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   499
      in
12255
wenzelm
parents: 12247
diff changeset
   500
        conditional (not (null bads)) (fn () =>
wenzelm
parents: 12247
diff changeset
   501
          err ("Ill-sorted instantiation of " ^ commas bads ^ " in"));
wenzelm
parents: 12247
diff changeset
   502
        add_parents thy parent'
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   503
          (make_parent_info name fields' extension' induct::parents)
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   504
      end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   505
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   506
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   507
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   508
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   509
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   510
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   511
fun gen_field_tr mark sfx (t as Const (c, _) $ Const (name, _) $ arg) =
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   512
      if c = mark then Syntax.const (suffix sfx name) $ (Syntax.const KN $ arg)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   513
      else raise TERM ("gen_field_tr: " ^ mark, [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   514
  | 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
   515
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   516
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
   517
      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
   518
      else [gen_field_tr mark sfx tm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   519
  | 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
   520
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 record_update_tr [t, u] =
21078
101aefd61aac slight cleanup
haftmann
parents: 20951
diff changeset
   523
      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
   524
  | 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
   525
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   526
fun update_name_tr (Free (x, T) :: ts) = Free (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   527
  | update_name_tr (Const (x, T) :: ts) = Const (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   528
  | 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
   529
      (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
   530
  | 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
   531
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   532
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
   533
     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
   534
  | 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
   535
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   536
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
   537
     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
   538
     else [dest_ext_field mark trm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   539
  | 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
   540
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   541
fun gen_ext_fields_tr sep mark sfx more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   542
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   543
    val thy = ProofContext.theory_of ctxt;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   544
    val msg = "error in record input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   545
    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
   546
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   547
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   548
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   549
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   550
          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
   551
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   552
      | 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
   553
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   554
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   555
    fun mk_ext (fargs as (name,arg)::_) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   556
         (case get_fieldext thy (Sign.intern_const thy name) of
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   557
            SOME (ext,_) => (case get_extfields thy ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   558
                               SOME flds
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   559
                                 => let val (args,rest) =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   560
                                               splitargs (map fst (but_last flds)) fargs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   561
                                        val more' = mk_ext rest;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   562
                                    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
   563
                                    end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   564
                             | 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
   565
                                                   ^ ext,[t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   566
          | 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
   567
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   568
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   569
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   570
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   571
fun gen_ext_type_tr sep mark sfx more ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   572
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   573
    val thy = ProofContext.theory_of ctxt;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   574
    val msg = "error in record-type input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   575
    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
   576
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   577
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   578
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   579
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   580
          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
   581
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   582
      | 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
   583
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   584
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   585
    fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   586
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   587
    fun to_type t = Sign.certify_typ thy
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   588
                       (Sign.intern_typ thy
15957
f2a0a80d8233 Bugfix in syntax translation for record type.
schirmer
parents: 15913
diff changeset
   589
                         (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t));
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   590
14700
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;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   600
                       val argtypes = map to_type args;
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   601
                       val midx =  fold (fn T => fn i => Int.max (maxidx_of_typ T, i)) 
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
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
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
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
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
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   665
fun gen_field_upds_tr' mark sfx (tm as Const (name_field, _) $ (Const ("K_record",_)$t) $ u) =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   666
    (case try (unsuffix sfx) name_field of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   667
      SOME name =>
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   668
        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
   669
     | NONE => ([], tm))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   670
  | gen_field_upds_tr' _ _ tm = ([], tm);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   671
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   672
fun record_update_tr' tm =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   673
  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
   674
    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
   675
    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
   676
          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
   677
  end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   678
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   679
fun gen_field_tr' sfx tr' name =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   680
  let val name_sfx = suffix sfx name
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   681
  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
   682
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   683
fun record_tr' sep mark record record_scheme unit ctxt t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   684
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   685
    val thy = ProofContext.theory_of ctxt;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   686
    fun field_lst t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   687
      (case strip_comb t of
17600
9ae09014730c bugfix in record_tr'
schirmer
parents: 17510
diff changeset
   688
        (Const (ext,_),args as (_::_))
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   689
         => (case try (unsuffix extN) (Sign.intern_const thy ext) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   690
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   691
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   692
                     SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   693
                     => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   694
                          val (f::fs) = but_last (map fst flds);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   695
                          val flds' = Sign.extern_const thy f :: map NameSpace.base fs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   696
                          val (args',more) = split_last args;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   697
                         in (flds'~~args')@field_lst more end
19841
f2fa72c13186 avoid unqualified exception;
wenzelm
parents: 19750
diff changeset
   698
                         handle Library.UnequalLengths => [("",t)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   699
                   | NONE => [("",t)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   700
             | NONE => [("",t)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   701
       | _ => [("",t)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   702
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   703
    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
   704
    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
   705
    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
   706
    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
   707
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   708
  in if unit more
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   709
     then Syntax.const record$flds''
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   710
     else Syntax.const record_scheme$flds''$more
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   711
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   712
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   713
fun gen_record_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   714
  let val name_sfx = suffix extN name;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   715
      val unit = (fn Const ("Unity",_) => true | _ => false);
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   716
      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
   717
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   718
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   719
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   720
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   721
fun print_translation names =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   722
  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
   723
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   724
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   725
(* 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
   726
(* the (nested) extension types.                                                    *)
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   727
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
   728
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   729
      val thy = ProofContext.theory_of ctxt;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   730
      (* 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
   731
      (* 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
   732
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   733
      fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   734
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   735
      (* WORKAROUND:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   736
       * 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
   737
       * may be some internal frees donoted by ??:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   738
       * (Const "_tfree",_)$Free ("??'a",_).
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   739
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   740
       * This will unfortunately be translated to Type ("??'a",[]) instead of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   741
       * 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
   742
       * fixT works around.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   743
       *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   744
      fun fixT (T as Type (x,[])) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   745
            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
   746
        | 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
   747
        | fixT T = T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   748
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   749
      val T = fixT (Sign.intern_typ thy
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   750
                      (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts tm)) I tm));
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   751
      val midx = maxidx_of_typ T;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   752
      val varifyT = varifyT midx;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   753
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   754
      fun mk_type_abbr subst name alphas =
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   755
          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
   756
          in Syntax.term_of_typ (! Syntax.show_sorts)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   757
               (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
   758
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   759
      fun match rT T = (Sign.typ_match thy (varifyT rT,T) 
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   760
                                                Vartab.empty);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   761
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   762
   in if !print_record_type_abbr
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   763
      then (case last_extT T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   764
             SOME (name,_)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   765
              => if name = lastExt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   766
                 then
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   767
                  (let
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   768
                     val subst = match schemeT T
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   769
                   in
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   770
                    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
   771
                    then mk_type_abbr subst abbr alphas
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   772
                    else mk_type_abbr subst (suffix schemeN abbr) (alphas@[zeta])
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   773
                   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
   774
                 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
   775
            | _ => raise Match)
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   776
       else default_tr' ctxt tm
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   777
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   778
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   779
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
   780
  let
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   781
    val thy = ProofContext.theory_of ctxt;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   782
    fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   783
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   784
    val T = Sign.intern_typ thy (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t)
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   785
    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
   786
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   787
    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
   788
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   789
    fun field_lst T =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   790
      (case T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   791
        Type (ext,args)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   792
         => (case try (unsuffix ext_typeN) ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   793
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   794
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   795
                     SOME flds
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   796
                     => (case get_fieldext thy (fst (hd flds)) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   797
                           SOME (_,alphas)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   798
                           => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   799
                                val (f::fs) = but_last flds;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   800
                                val flds' = apfst (Sign.extern_const thy) f
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   801
                                            ::map (apfst NameSpace.base) fs;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   802
                                val (args',more) = split_last args;
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   803
                                val alphavars = map varifyT (but_last alphas);
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   804
                                val subst= fold (Sign.typ_match thy) (alphavars~~args')
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   805
                                                    Vartab.empty;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   806
                                val flds'' =map (apsnd (Envir.norm_type subst o varifyT))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   807
                                                flds';
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   808
                              in flds''@field_lst more end
19750
5281bd607206 tuned type print-translations
schirmer
parents: 19748
diff changeset
   809
                              handle TYPE_MATCH     => [("",T)]
19841
f2fa72c13186 avoid unqualified exception;
wenzelm
parents: 19750
diff changeset
   810
                                   | Library.UnequalLengths => [("",T)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   811
                         | NONE => [("",T)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   812
                   | NONE => [("",T)])
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   813
             | NONE => [("",T)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   814
        | _ => [("",T)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   815
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   816
    val (flds,(_,moreT)) = split_last (field_lst T);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   817
    val flds' = map (fn (n,T)=>Syntax.const mark$Syntax.const n$term_of_type T) flds;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   818
    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
   819
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   820
  in if not (!print_record_type_as_fields) orelse null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   821
     else if moreT = HOLogic.unitT
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   822
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   823
          else Syntax.const record_scheme$flds''$term_of_type moreT
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   824
  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   825
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   826
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   827
fun gen_record_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   828
  let val name_sfx = suffix ext_typeN name;
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   829
      fun tr' ctxt ts = record_type_tr' "_field_types" "_field_type"
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   830
                       "_record_type" "_record_type_scheme" ctxt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   831
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   832
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   833
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   834
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   835
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   836
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
   837
  let val name_sfx = suffix ext_typeN name;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   838
      val default_tr' = record_type_tr' "_field_types" "_field_type"
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   839
                               "_record_type" "_record_type_scheme"
21772
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   840
      fun tr' ctxt ts =
7c7ade4f537b advanced translation functions: Proof.context;
wenzelm
parents: 21708
diff changeset
   841
          record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT ctxt
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   842
                               (list_comb (Syntax.const name_sfx,ts))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   843
  in (name_sfx, tr') end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   844
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   845
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
   846
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   847
val record_quick_and_dirty_sensitive = ref false;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   848
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   849
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   850
fun quick_and_dirty_prove stndrd thy asms prop tac =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   851
  if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
20049
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   852
  then Goal.prove (ProofContext.init thy) [] []
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   853
        (Logic.list_implies (map Logic.varify asms,Logic.varify prop))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   854
        (K (SkipProof.cheat_tac HOL.thy))
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   855
        (* standard can take quite a while for large records, thats why
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   856
         * we varify the proposition manually here.*)
20049
f48c4a3a34bc Goal.prove: context;
wenzelm
parents: 19841
diff changeset
   857
  else let val prf = Goal.prove (ProofContext.init thy) [] asms prop tac;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   858
       in if stndrd then standard prf else prf end;
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   859
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   860
fun quick_and_dirty_prf noopt opt () =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   861
      if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   862
      then noopt ()
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   863
      else opt ();
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   864
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   865
local
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   866
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
   867
  let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   868
     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
   869
     val T = domain_type fT;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   870
     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
   871
     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
   872
     fun is_constr (Const (c,_)$_) = can (unsuffix extN) c
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   873
       | is_constr _ = false;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   874
     fun subst (t as u$w) = if Free (f',fT)=u 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   875
                            then if is_constr w then f_x 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   876
                                 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
   877
                            else subst u$subst w
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   878
       | 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
   879
       | subst t = t
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   880
     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
   881
     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
   882
     val bdy = strip_qnt_body "all" t'';
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   883
     
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   884
  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
   885
  | 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
   886
(* Generates a theorem of the kind:
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   887
 * !!f x*. PROP P (f ( r x* ) x* == !!r x*. PROP P r x* 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   888
 *) 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   889
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
   890
  let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   891
    val rT = domain_type fT;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   892
    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
   893
    val Ts = map snd vars;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   894
    val n = length vars;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   895
    fun app_bounds 0 t = t$Bound 0
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   896
      | app_bounds n t = if n > 0 then app_bounds (n-1) (t$Bound n) else t
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   897
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   898
   
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   899
    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
   900
    val prop = Logic.mk_equals
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   901
                (list_all ((f,fT)::vars,
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   902
                           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
   903
                 list_all ((fst r,rT)::vars,
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   904
                           app_bounds (n - 1) ((Free P)$Bound n))); 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   905
    val prove_standard = quick_and_dirty_prove true thy;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   906
    val thm = prove_standard [] prop (fn prems =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   907
	 EVERY [rtac equal_intr_rule 1, 
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21546
diff changeset
   908
                Goal.norm_hhf_tac 1,REPEAT (etac meta_allE 1), atac 1,
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21546
diff changeset
   909
                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
   910
  in thm end
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   911
  | 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
   912
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   913
in
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   914
(* 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
   915
 * 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
   916
 * 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
   917
 * 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
   918
 *)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   919
val record_split_f_more_simproc =
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   920
  Simplifier.simproc HOL.thy "record_split_f_more_simp" ["x"]
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   921
    (fn thy => fn _ => fn t =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   922
      (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
   923
                  (trm as Abs _) =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   924
         (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
   925
            "" => NONE
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   926
          | n => if T=T'  
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   927
                 then (let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   928
                        val P=cterm_of thy (abstract_over_fun_app trm); 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   929
                        val thm = mk_fun_apply_eq trm thy;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   930
                        val PV = cterm_of thy (hd (term_vars (prop_of thm)));
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   931
                        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
   932
                       in SOME  thm' end handle TERM _ => NONE)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   933
                else NONE) 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   934
       | _ => NONE))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   935
end
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   936
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   937
fun prove_split_simp thy ss T prop =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   938
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   939
    val {sel_upd={simpset,...},extsplit,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   940
    val extsplits =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   941
            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
   942
                    ([],dest_recTs T);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   943
    val thms = (case get_splits thy (rec_id (~1) T) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   944
                   SOME (all_thm,_,_,_) =>
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   945
                     all_thm::(case extsplits of [thm] => [] | _ => extsplits)
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   946
                              (* [thm] is the same as all_thm *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   947
                 | NONE => extsplits)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   948
    val thms'=K_comp_convs@thms;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   949
    val ss' = (Simplifier.inherit_context ss simpset 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   950
                addsimps thms'
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   951
                addsimprocs [record_split_f_more_simproc]);
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   952
  in
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   953
    quick_and_dirty_prove true thy [] prop (fn _ => simp_tac ss' 1)
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   954
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   955
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   956
15059
schirmer
parents: 15058
diff changeset
   957
local
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   958
fun eq (s1:string) (s2:string) = (s1 = s2);
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   959
fun has_field extfields f T =
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   960
     exists (fn (eN,_) => exists (eq f o fst) (Symtab.lookup_list extfields eN))
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   961
       (dest_recTs T);
15059
schirmer
parents: 15058
diff changeset
   962
in
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   963
(* record_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   964
(* 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
   965
 *  (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
   966
 *  (2)  S (X_update k r) = S r
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   967
 * 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
   968
 *  S (X_update x (Y_update y (S_update k r))) = k (S r)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   969
 * But be careful in (2) because of the extendibility of records.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   970
 * - If S is a more-selector we have to make sure that the update on component
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   971
 *   X does not affect the selected subrecord.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   972
 * - 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
   973
 *   subrecord.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   974
 *)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   975
val record_simproc =
17616
f526e2b9fe9e simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents: 17600
diff changeset
   976
  Simplifier.simproc HOL.thy "record_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   977
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   978
      (case t of (sel as Const (s, Type (_,[domS,rangeS])))$
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   979
                   ((upd as Const (u,Type(_,[_,Type (_,[rT,_])]))) $ k $ r)=>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   980
        if is_selector thy s then
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   981
          (case get_updates thy u of SOME u_name =>
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   982
            let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   983
              val {sel_upd={updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   984
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   985
              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
   986
                  (case Symtab.lookup updates u of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   987
                     NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   988
                   | SOME u_name
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   989
                     => if u_name = s
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   990
                        then (case mk_eq_terms r of 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   991
                               NONE => 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   992
                                 let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   993
                                   val rv = ("r",rT)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   994
                                   val rb = Bound 0
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   995
                                   val kv = ("k",kT)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   996
                                   val kb = Bound 1
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   997
                                  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
   998
                              | SOME (trm,trm',vars) =>
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
   999
                                 let
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1000
                                   val kv = ("k",kT)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1001
                                   val kb = Bound (length vars)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1002
                                 in SOME (upd$kb$trm,kb$trm',kv::vars) end)
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
  1003
                        else if has_field extfields u_name rangeS
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1004
                             orelse has_field extfields s (domain_type kT)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1005
                             then NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1006
                             else (case mk_eq_terms r of
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1007
                                     SOME (trm,trm',vars)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1008
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1009
                                          val kv = ("k",kT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1010
                                          val kb = Bound (length vars)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1011
                                        in SOME (upd$kb$trm,trm',kv::vars) end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1012
                                   | NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1013
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1014
                                          val rv = ("r",rT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1015
                                          val rb = Bound 0
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1016
                                          val kv = ("k",kT)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1017
                                          val kb = Bound 1
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1018
                                        in SOME (upd$kb$rb,sel$rb,[kv,rv]) end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1019
                | mk_eq_terms r = NONE
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1020
            in
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1021
              (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
  1022
                 SOME (trm,trm',vars)
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1023
                 => SOME (prove_split_simp thy ss domS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1024
                                 (list_all(vars,(equals rangeS$(sel$trm)$trm'))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1025
               | NONE => NONE)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
  1026
            end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1027
          | NONE => NONE)
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1028
        else NONE
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1029
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1030
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1031
(* record_upd_simproc *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1032
(* simplify multiple updates:
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1033
 *  (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
  1034
          (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
  1035
 *  (2)  "r(|M:= M r|) = r"
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1036
 * For (2) special care of "more" updates has to be taken:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1037
 *    r(|more := m; A := A r|)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1038
 * 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
  1039
 * (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
  1040
*)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1041
val record_upd_simproc =
17616
f526e2b9fe9e simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents: 17600
diff changeset
  1042
  Simplifier.simproc HOL.thy "record_upd_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1043
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1044
      (case t of ((upd as Const (u, Type(_,[_,Type(_,[rT,_])]))) $ k $ r) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1045
         let datatype ('a,'b) calc = Init of 'b | Inter of 'a
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1046
             val {sel_upd={selectors,updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1047
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1048
             (*fun mk_abs_var x t = (x, fastype_of t);*)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1049
             fun sel_name u = NameSpace.base (unsuffix updateN u);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1050
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1051
             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
  1052
                  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
  1053
               | seed _ r = r;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1054
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1055
             fun grow u uT k kT vars (sprout,skeleton) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1056
                   if sel_name u = moreN
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1057
                   then let val kv = ("k", kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1058
                            val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1059
                        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
  1060
                   else ((sprout,skeleton),vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1061
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1062
             fun is_upd_same (sprout,skeleton) u 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1063
                                ((K_rec as Const ("Record.K_record",_))$
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1064
                                  ((sel as Const (s,_))$r)) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1065
                   if (unsuffix updateN u) = s andalso (seed s sprout) = r
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1066
                   then SOME (K_rec,sel,seed s skeleton)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1067
                   else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1068
               | is_upd_same _ _ _ = NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1069
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1070
             fun init_seed r = ((r,Bound 0), [("r", rT)]);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1071
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1072
             fun add (n:string) f fmaps = 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1073
               (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
  1074
                  NONE => AList.update (op =) (n,[f]) fmaps
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1075
                | SOME fs => AList.update (op =) (n,f::fs) fmaps) 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1076
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1077
             fun comps (n:string) T fmaps = 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1078
               (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
  1079
                 SOME fs => 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1080
                   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
  1081
                | NONE => error ("record_upd_simproc.comps"))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1082
             
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1083
             (* mk_updterm returns either
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1084
              *  - Init (orig-term, orig-term-skeleton, vars) if no optimisation can be made,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1085
              *     where vars are the bound variables in the skeleton
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1086
              *  - Inter (orig-term-skeleton,simplified-term-skeleton,
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1087
              *           vars, (term-sprout, skeleton-sprout))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1088
              *     where "All vars. orig-term-skeleton = simplified-term-skeleton" is
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1089
              *     the desired simplification rule,
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1090
              *     the sprouts accumulate the "more-updates" on the way from the seed
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1091
              *     to the outermost update. It is only relevant to calculate the
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1092
              *     possible simplification for (2)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1093
              * 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
  1094
              * memorising the updates in the already-table. While walking up the
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1095
              * updates again, the optimised term is constructed.
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1096
              *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1097
             fun mk_updterm upds already
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1098
                 (t as ((upd as Const (u,uT as (Type (_,[kT,_])))) $ k $ r)) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1099
                 if Symtab.defined upds u
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1100
                 then let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1101
                         fun rest already = mk_updterm upds already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1102
                      in if u mem_string already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1103
                         then (case (rest already r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1104
                                 Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1105
                                 let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1106
                                   val n = sel_name u;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1107
                                   val kv = (n, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1108
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1109
                                   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
  1110
                                 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
  1111
                               | Inter (trm,trm',vars,fmaps,sprout) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1112
                                 let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1113
                                   val n = sel_name u;
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1114
                                   val kv = (n, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1115
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1116
                                   val (sprout',vars') = grow u uT k kT (kv::vars) sprout;
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1117
                                 in Inter(upd$kb$trm,trm',kv::vars',add n kb fmaps,sprout') 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1118
                                 end)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1119
                         else
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1120
                          (case rest (u::already) r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1121
                             Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1122
                              (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
  1123
                                 SOME (K_rec,sel,skel') =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1124
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1125
                                   val (sprout',vars') = grow u uT k kT vars (sprout,skel);
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1126
                                  in Inter(upd$(K_rec$(sel$skel'))$skel,skel,vars',[],sprout')
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1127
                                  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1128
                               | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1129
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1130
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1131
                                   val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1132
                                 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
  1133
                           | Inter (trm,trm',vars,fmaps,sprout) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1134
                               (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
  1135
                                  SOME (K_rec,sel,skel) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1136
                                  let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1137
                                    val (sprout',vars') = grow u uT k kT vars sprout
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1138
                                  in Inter(upd$(K_rec$(sel$skel))$trm,trm',vars',fmaps,sprout')
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1139
                                  end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1140
                                | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1141
                                  let
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1142
                                    val n = sel_name u
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1143
                                    val T = domain_type kT
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1144
                                    val kv = (n, kT)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1145
                                    val kb = Bound (length vars)
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1146
                                    val (sprout',vars') = grow u uT k kT (kv::vars) sprout
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1147
                                    val fmaps' = add n kb fmaps 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1148
                                  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
  1149
                                           ,vars',fmaps',sprout') end))
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1150
                     end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1151
                 else Init (init_seed t)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1152
               | mk_updterm _ _ t = Init (init_seed t);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1153
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1154
         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
  1155
               Inter (trm,trm',vars,_,_)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1156
                => SOME (prove_split_simp thy ss rT
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1157
                          (list_all(vars,(equals rT$trm$trm'))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1158
             | _ => NONE)
21226
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1159
         end 
a607ae87ee81 field-update in records is generalised to take a function on the field
schirmer
parents: 21109
diff changeset
  1160
       | _ => NONE))
15059
schirmer
parents: 15058
diff changeset
  1161
end
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1162
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1163
(* record_eq_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1164
(* looks up the most specific record-equality.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1165
 * Note on efficiency:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1166
 * Testing equality of records boils down to the test of equality of all components.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1167
 * Therefore the complexity is: #components * complexity for single component.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1168
 * Especially if a record has a lot of components it may be better to split up
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1169
 * the record first and do simplification on that (record_split_simp_tac).
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1170
 * e.g. r(|lots of updates|) = x
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1171
 *
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1172
 *               record_eq_simproc       record_split_simp_tac
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1173
 * Complexity: #components * #updates     #updates
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1174
 *
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1175
 *)
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1176
val record_eq_simproc =
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1177
  Simplifier.simproc HOL.thy "record_eq_simp" ["r = s"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1178
    (fn thy => fn _ => fn t =>
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1179
      (case t of Const ("op =", Type (_, [T, _])) $ _ $ _ =>
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1180
        (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1181
           "" => NONE
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1182
         | name => (case get_equalities thy name of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1183
                                NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1184
                              | SOME thm => SOME (thm RS Eq_TrueI)))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1185
       | _ => NONE));
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1186
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1187
(* record_split_simproc *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1188
(* splits quantified occurrences of records, for which P holds. P can peek on the
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1189
 * subterm starting at the quantified occurrence of the record (including the quantifier)
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1190
 * P t = 0: do not split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1191
 * P t = ~1: completely split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1192
 * P t > 0: split up to given bound of record extensions
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1193
 *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1194
fun record_split_simproc P =
17616
f526e2b9fe9e simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents: 17600
diff changeset
  1195
  Simplifier.simproc HOL.thy "record_split_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1196
    (fn thy => fn _ => fn t =>
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1197
      (case t of (Const (quantifier, Type (_, [Type (_, [T, _]), _])))$trm =>
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1198
         if quantifier = "All" orelse quantifier = "all" orelse quantifier = "Ex"
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1199
         then (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1200
                 "" => NONE
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1201
               | name
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1202
                  => let val split = P t
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1203
                     in if split <> 0 then
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1204
                        (case get_splits thy (rec_id split T) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1205
                              NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1206
                            | SOME (all_thm, All_thm, Ex_thm,_)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1207
                               => SOME (case quantifier of
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1208
                                          "all" => all_thm
21546
268b6bed0cc8 removed HOL structure
haftmann
parents: 21363
diff changeset
  1209
                                        | "All" => All_thm RS eq_reflection
268b6bed0cc8 removed HOL structure
haftmann
parents: 21363
diff