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 ext_typeN: 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 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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(** 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 schemeN = "_scheme";
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val makeN = "make";
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val fields_selN = "fields";
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val extendN = "extend";
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val truncateN = "truncate";
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(*see typedef_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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(* 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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(* 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 --> sT --> sT);
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fun mk_upd sfx c v s =
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  let val sT = fastype_of s;
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      val vT = fastype_of v;
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  in Const (mk_updC sfx sT (c, vT)) $ v $ s end;
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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/records";
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  type T = record_data;
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  val empty =
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    make_record_data Symtab.empty
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      {selectors = Symtab.empty, updates = Symtab.empty, simpset = HOL_basic_ss}
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       Symtab.empty [] Symtab.empty Symtab.empty Symtab.empty Symtab.empty;
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  val copy = I;
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  val extend = I;
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  fun merge _
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   ({records = recs1,
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     sel_upd = {selectors = sels1, updates = upds1, simpset = ss1},
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     equalities = equalities1,
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     extinjects = extinjects1,
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     extsplit = extsplit1,
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     splits = splits1,
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     extfields = extfields1,
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     fieldext = fieldext1},
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    {records = recs2,
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     sel_upd = {selectors = sels2, updates = upds2, simpset = ss2},
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     equalities = equalities2,
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     extinjects = extinjects2,
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     extsplit = extsplit2,
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     splits = splits2,
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     extfields = extfields2,
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     fieldext = fieldext2}) =
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    make_record_data
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      (Symtab.merge (K true) (recs1, recs2))
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      {selectors = Symtab.merge (K true) (sels1, sels2),
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        updates = Symtab.merge (K true) (upds1, upds2),
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        simpset = Simplifier.merge_ss (ss1, ss2)}
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      (Symtab.merge Thm.eq_thm (equalities1, equalities2))
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      (gen_merge_lists Thm.eq_thm extinjects1 extinjects2)
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      (Symtab.merge Thm.eq_thm (extsplit1,extsplit2))
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      (Symtab.merge (fn ((a,b,c,d),(w,x,y,z))
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                     => Thm.eq_thm (a,w) andalso Thm.eq_thm (b,x) andalso
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                        Thm.eq_thm (c,y) andalso Thm.eq_thm (d,z))
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                    (splits1, splits2))
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      (Symtab.merge (K true) (extfields1,extfields2))
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      (Symtab.merge (K true) (fieldext1,fieldext2));
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  fun print thy ({records = recs, ...}: record_data) =
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    let
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      val prt_typ = Sign.pretty_typ thy;
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      fun pretty_parent NONE = []
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        | pretty_parent (SOME (Ts, name)) =
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            [Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]];
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      fun pretty_field (c, T) = Pretty.block
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        [Pretty.str (Sign.extern_const thy c), Pretty.str " ::",
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          Pretty.brk 1, Pretty.quote (prt_typ T)];
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      fun pretty_record (name, {args, parent, fields, ...}: record_info) =
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        Pretty.block (Pretty.fbreaks (Pretty.block
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          [prt_typ (Type (name, map TFree args)), Pretty.str " = "] ::
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          pretty_parent parent @ map pretty_field fields));
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    in map pretty_record (Symtab.dest recs) |> Pretty.chunks |> Pretty.writeln end;
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end);
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val print_records = RecordsData.print;
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(* access 'records' *)
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val get_record = Symtab.lookup o #records o RecordsData.get;
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fun put_record name info thy =
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  let
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    val {records, sel_upd, equalities, extinjects,extsplit,splits,extfields,fieldext} =
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          RecordsData.get thy;
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    val data = make_record_data (Symtab.update (name, info) records)
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      sel_upd equalities extinjects extsplit splits extfields fieldext;
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  in RecordsData.put data thy end;
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(* access 'sel_upd' *)
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val get_sel_upd = #sel_upd o RecordsData.get;
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val is_selector = Symtab.defined o #selectors o get_sel_upd;
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val get_updates = Symtab.lookup o #updates o get_sel_upd;
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fun get_simpset thy = Simplifier.theory_context thy (#simpset (get_sel_upd thy));
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fun put_sel_upd names simps thy =
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  let
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    val sels = map (rpair ()) names;
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   329
    val upds = map (suffix updateN) names ~~ names;
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   330
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    val {records, sel_upd = {selectors, updates, simpset},
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      equalities, extinjects, extsplit, splits, extfields,fieldext} = RecordsData.get thy;
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    val data = make_record_data records
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   334
      {selectors = Symtab.extend (selectors, sels),
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   335
        updates = Symtab.extend (updates, upds),
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        simpset = Simplifier.addsimps (simpset, simps)}
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       equalities extinjects extsplit splits extfields fieldext;
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  in RecordsData.put data thy end;
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   339
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(* access 'equalities' *)
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   341
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
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fun add_record_equalities name thm thy =
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  let
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    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
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          RecordsData.get thy;
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    val data = make_record_data records sel_upd
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           (Symtab.update_new (name, thm) equalities) extinjects extsplit
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           splits extfields fieldext;
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  in RecordsData.put data thy end;
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val get_equalities =Symtab.lookup o #equalities o RecordsData.get;
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   353
(* access 'extinjects' *)
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   354
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   355
fun add_extinjects thm thy =
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   356
  let
17261
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   357
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
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          RecordsData.get thy;
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193b84a70ca4 curried_lookup/update;
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   359
    val data = make_record_data records sel_upd equalities (extinjects@[thm]) extsplit
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                 splits extfields fieldext;
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   361
  in RecordsData.put data thy end;
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   362
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ceb93f3af7f0 advanced translations: Context.generic;
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fun get_extinjects thy = #extinjects (RecordsData.get thy);
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   364
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   365
(* access 'extsplit' *)
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   366
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   367
fun add_extsplit name thm thy =
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   368
  let
17261
193b84a70ca4 curried_lookup/update;
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   369
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
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   370
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
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   371
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
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   372
      equalities extinjects (Symtab.update_new (name, thm) extsplit) splits
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   373
      extfields fieldext;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   374
  in RecordsData.put data thy end;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   375
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
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   376
val get_extsplit = Symtab.lookup o #extsplit o RecordsData.get;
15015
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   377
14255
e6e3e3f0deed Records:
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   378
(* access 'splits' *)
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   379
e6e3e3f0deed Records:
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   380
fun add_record_splits name thmP thy =
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   381
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   382
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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parents: 15012
diff changeset
   383
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   384
    val data = make_record_data records sel_upd
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   385
      equalities extinjects extsplit (Symtab.update_new (name, thmP) splits)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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parents: 15012
diff changeset
   386
      extfields fieldext;
14255
e6e3e3f0deed Records:
schirmer
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diff changeset
   387
  in RecordsData.put data thy end;
e6e3e3f0deed Records:
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diff changeset
   388
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   389
val get_splits = Symtab.lookup o #splits o RecordsData.get;
14255
e6e3e3f0deed Records:
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diff changeset
   390
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   391
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   392
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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parents: 14643
diff changeset
   393
(* extension of a record name *)
17261
193b84a70ca4 curried_lookup/update;
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diff changeset
   394
val get_extension =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   395
  Option.map #extension oo (Symtab.lookup o #records o RecordsData.get);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   396
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
   397
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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parents: 14643
diff changeset
   398
(* access 'extfields' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   399
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   400
fun add_extfields name fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   401
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   402
    val {records, sel_upd, equalities, extinjects, extsplit,splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   403
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   404
    val data = make_record_data records sel_upd
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   405
         equalities extinjects extsplit splits
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   406
         (Symtab.update_new (name, fields) extfields) fieldext;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   407
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   408
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   409
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
   410
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   411
fun get_extT_fields thy T =
15059
schirmer
parents: 15058
diff changeset
   412
  let
schirmer
parents: 15058
diff changeset
   413
    val ((name,Ts),moreT) = dest_recT T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   414
    val recname = let val (nm::recn::rst) = rev (NameSpace.unpack name)
15059
schirmer
parents: 15058
diff changeset
   415
                  in NameSpace.pack (rev (nm::rst)) end;
schirmer
parents: 15058
diff changeset
   416
    val midx = maxidx_of_typs (moreT::Ts);
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   417
    val varifyT = varifyT midx;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   418
    val {records,extfields,...} = RecordsData.get thy;
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   419
    val (flds,(more,_)) = split_last (Symtab.lookup_list extfields name);
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   420
    val args = map varifyT (snd (#extension (the (Symtab.lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   421
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   422
    val subst = fold (Sign.typ_match thy) (but_last args ~~ but_last Ts) (Vartab.empty);
15059
schirmer
parents: 15058
diff changeset
   423
    val flds' = map (apsnd ((Envir.norm_type subst) o varifyT)) flds;
schirmer
parents: 15058
diff changeset
   424
  in (flds',(more,moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   425
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   426
fun get_recT_fields thy T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   427
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   428
    val (root_flds,(root_more,root_moreT)) = get_extT_fields thy T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   429
    val (rest_flds,rest_more) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   430
           if is_recT root_moreT then get_recT_fields thy root_moreT
15059
schirmer
parents: 15058
diff changeset
   431
           else ([],(root_more,root_moreT));
schirmer
parents: 15058
diff changeset
   432
  in (root_flds@rest_flds,rest_more) end;
schirmer
parents: 15058
diff changeset
   433
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
parents: 15015
diff changeset
   434
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   435
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   436
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   437
fun add_fieldext extname_types fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   438
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   439
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   440
           RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   441
    val fieldext' =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   442
      fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   443
    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
   444
              splits extfields fieldext';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   445
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   446
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   447
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   448
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
   449
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   450
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   451
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   452
fun add_parents thy NONE parents = parents
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   453
  | add_parents thy (SOME (types, name)) parents =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   454
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   455
        val sign = Theory.sign_of thy;
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   456
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   457
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   458
        val {args, parent, fields, extension, induct} =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   459
          (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
   460
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   461
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   462
        fun bad_inst ((x, S), T) =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   463
          if Sign.of_sort sign (T, S) then NONE else SOME x
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   464
        val bads = List.mapPartial bad_inst (args ~~ types);
12255
wenzelm
parents: 12247
diff changeset
   465
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   466
        val inst = map fst args ~~ types;
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   467
        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
   468
        val parent' = Option.map (apfst (map subst)) parent;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   469
        val fields' = map (apsnd subst) fields;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   470
        val extension' = apsnd (map subst) extension;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   471
      in
12255
wenzelm
parents: 12247
diff changeset
   472
        conditional (not (null bads)) (fn () =>
wenzelm
parents: 12247
diff changeset
   473
          err ("Ill-sorted instantiation of " ^ commas bads ^ " in"));
wenzelm
parents: 12247
diff changeset
   474
        add_parents thy parent'
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   475
          (make_parent_info name fields' extension' induct::parents)
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   476
      end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   477
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   478
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   479
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   480
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   481
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   482
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   483
fun gen_field_tr mark sfx (t as Const (c, _) $ Const (name, _) $ arg) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   484
      if c = mark then Syntax.const (suffix sfx name) $ arg
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   485
      else raise TERM ("gen_field_tr: " ^ mark, [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   486
  | 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
   487
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   488
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
   489
      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
   490
      else [gen_field_tr mark sfx tm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   491
  | 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
   492
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   493
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   494
fun record_update_tr [t, u] =
15574
b1d1b5bfc464 Removed practically all references to Library.foldr.
skalberg
parents: 15570
diff changeset
   495
      foldr (op $) t (rev (gen_fields_tr "_updates" "_update" updateN u))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   496
  | 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
   497
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   498
fun update_name_tr (Free (x, T) :: ts) = Free (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   499
  | update_name_tr (Const (x, T) :: ts) = Const (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   500
  | 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
   501
      (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
   502
  | 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
   503
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   504
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
   505
     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
   506
  | 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
   507
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   508
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
   509
     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
   510
     else [dest_ext_field mark trm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   511
  | 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
   512
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   513
fun gen_ext_fields_tr sep mark sfx more context t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   514
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   515
    val thy = Context.theory_of context;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   516
    val msg = "error in record input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   517
    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
   518
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   519
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   520
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   521
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   522
          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
   523
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   524
      | 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
   525
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   526
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   527
    fun mk_ext (fargs as (name,arg)::_) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   528
         (case get_fieldext thy (Sign.intern_const thy name) of
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   529
            SOME (ext,_) => (case get_extfields thy ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   530
                               SOME flds
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   531
                                 => let val (args,rest) =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   532
                                               splitargs (map fst (but_last flds)) fargs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   533
                                        val more' = mk_ext rest;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   534
                                    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
   535
                                    end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   536
                             | 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
   537
                                                   ^ ext,[t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   538
          | 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
   539
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   540
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   541
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   542
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   543
fun gen_ext_type_tr sep mark sfx more context t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   544
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   545
    val thy = Context.theory_of context;
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   546
    val msg = "error in record-type input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   547
    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
   548
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   549
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   550
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   551
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   552
          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
   553
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   554
      | 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
   555
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   556
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   557
    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
   558
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   559
    fun to_type t = Sign.certify_typ thy
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   560
                       (Sign.intern_typ thy
15957
f2a0a80d8233 Bugfix in syntax translation for record type.
schirmer
parents: 15913
diff changeset
   561
                         (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t));
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   562
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   563
    fun mk_ext (fargs as (name,arg)::_) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   564
         (case get_fieldext thy (Sign.intern_const thy name) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   565
            SOME (ext,alphas) =>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   566
              (case get_extfields thy ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   567
                 SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   568
                  => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   569
                       val flds' = but_last flds;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   570
                       val types = map snd flds';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   571
                       val (args,rest) = splitargs (map fst flds') fargs;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   572
                       val argtypes = map to_type args;
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   573
                       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
   574
                                    argtypes 0;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   575
                       val varifyT = varifyT midx;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   576
                       val vartypes = map varifyT types;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   577
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   578
                       val subst = fold (Sign.typ_match thy) (vartypes ~~ argtypes)
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   579
                                            Vartab.empty;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   580
                       val alphas' = map ((Syntax.term_of_typ (! Syntax.show_sorts)) o
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   581
                                          Envir.norm_type subst o varifyT)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   582
                                         (but_last alphas);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   583
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   584
                       val more' = mk_ext rest;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   585
                     in list_comb (Syntax.const (suffix sfx ext),alphas'@[more'])
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   586
                     end handle TUNIFY => raise
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   587
                           TERM (msg ^ "type is no proper record (extension)", [t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   588
               | NONE => raise TERM (msg ^ "no fields defined for " ^ ext,[t]))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   589
          | 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
   590
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   591
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   592
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   593
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   594
fun gen_adv_record_tr sep mark sfx unit context [t] =
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   595
      gen_ext_fields_tr sep mark sfx unit context t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   596
  | 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
   597
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   598
fun gen_adv_record_scheme_tr sep mark sfx context [t, more] =
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   599
      gen_ext_fields_tr sep mark sfx more context t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   600
  | 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
   601
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   602
fun gen_adv_record_type_tr sep mark sfx unit context [t] =
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   603
      gen_ext_type_tr sep mark sfx unit context t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   604
  | 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
   605
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   606
fun gen_adv_record_type_scheme_tr sep mark sfx context [t, more] =
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   607
      gen_ext_type_tr sep mark sfx more context t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   608
  | 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
   609
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   610
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
   611
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
   612
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   613
val adv_record_type_tr =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   614
      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
   615
        (Syntax.term_of_typ false (HOLogic.unitT));
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   616
val adv_record_type_scheme_tr =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   617
      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
   618
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   619
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   620
val parse_translation =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   621
 [("_record_update", record_update_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   622
  ("_update_name", update_name_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   623
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   624
val adv_parse_translation =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   625
 [("_record",adv_record_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   626
  ("_record_scheme",adv_record_scheme_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   627
  ("_record_type",adv_record_type_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   628
  ("_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
   629
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   630
(* print translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   631
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   632
val print_record_type_abbr = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   633
val print_record_type_as_fields = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   634
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   635
fun gen_field_upds_tr' mark sfx (tm as Const (name_field, _) $ t $ u) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   636
    (case try (unsuffix sfx) name_field of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   637
      SOME name =>
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   638
        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
   639
     | NONE => ([], tm))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   640
  | gen_field_upds_tr' _ _ tm = ([], tm);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   641
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   642
fun record_update_tr' tm =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   643
  let val (ts, u) = gen_field_upds_tr' "_update" updateN tm in
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   644
    Syntax.const "_record_update" $ u $
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   645
      foldr1 (fn (v, w) => Syntax.const "_updates" $ v $ w) (rev ts)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   646
  end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   647
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   648
fun gen_field_tr' sfx tr' name =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   649
  let val name_sfx = suffix sfx name
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   650
  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
   651
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   652
fun record_tr' sep mark record record_scheme unit context t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   653
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   654
    val thy = Context.theory_of context;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   655
    fun field_lst t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   656
      (case strip_comb t of
17600
9ae09014730c bugfix in record_tr'
schirmer
parents: 17510
diff changeset
   657
        (Const (ext,_),args as (_::_))
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   658
         => (case try (unsuffix extN) (Sign.intern_const thy ext) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   659
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   660
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   661
                     SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   662
                     => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   663
                          val (f::fs) = but_last (map fst flds);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   664
                          val flds' = Sign.extern_const thy f :: map NameSpace.base fs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   665
                          val (args',more) = split_last args;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   666
                         in (flds'~~args')@field_lst more end
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   667
                         handle UnequalLengths => [("",t)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   668
                   | NONE => [("",t)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   669
             | NONE => [("",t)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   670
       | _ => [("",t)])
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
    val (flds,(_,more)) = split_last (field_lst t);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   673
    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
   674
    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
   675
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   676
  in if null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   677
     else if unit more
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   678
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   679
          else Syntax.const record_scheme$flds''$more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   680
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   681
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   682
fun gen_record_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   683
  let val name_sfx = suffix extN name;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   684
      val unit = (fn Const ("Unity",_) => true | _ => false);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   685
      fun tr' context ts = record_tr' "_fields" "_field" "_record" "_record_scheme" unit context
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   686
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   687
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   688
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   689
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   690
fun print_translation names =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   691
  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
   692
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   693
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   694
(* 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
   695
(* the (nested) extension types.                                                    *)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   696
fun record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT context tm =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   697
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   698
      val thy = Context.theory_of context;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   699
      (* 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
   700
      (* 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
   701
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   702
      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
   703
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   704
      (* WORKAROUND:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   705
       * 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
   706
       * may be some internal frees donoted by ??:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   707
       * (Const "_tfree",_)$Free ("??'a",_).
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   708
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   709
       * This will unfortunately be translated to Type ("??'a",[]) instead of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   710
       * 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
   711
       * fixT works around.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   712
       *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   713
      fun fixT (T as Type (x,[])) =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   714
            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
   715
        | 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
   716
        | fixT T = T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   717
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   718
      val T = fixT (Sign.intern_typ thy
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   719
                      (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
   720
      val midx = maxidx_of_typ T;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   721
      val varifyT = varifyT midx;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   722
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   723
      fun mk_type_abbr subst name alphas =
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   724
          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
   725
          in Syntax.term_of_typ (! Syntax.show_sorts)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   726
               (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
   727
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   728
      fun match rT T = (Sign.typ_match thy (varifyT rT,T) 
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   729
                                                Vartab.empty);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   730
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   731
   in if !print_record_type_abbr
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   732
      then (case last_extT T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   733
             SOME (name,_)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   734
              => if name = lastExt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   735
                 then
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   736
                  (let
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   737
                     val subst = match schemeT T
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   738
                   in
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   739
                    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
   740
                    then mk_type_abbr subst abbr alphas
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   741
                    else mk_type_abbr subst (suffix schemeN abbr) (alphas@[zeta])
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   742
                   end handle TUNIFY => default_tr' context tm)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   743
                 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
   744
            | _ => raise Match)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   745
       else default_tr' context tm
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   746
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   747
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   748
fun record_type_tr' sep mark record record_scheme context t =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   749
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   750
    val thy = Context.theory_of context;
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   751
    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
   752
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   753
    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
   754
    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
   755
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   756
    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
   757
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   758
    fun field_lst T =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   759
      (case T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   760
        Type (ext,args)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   761
         => (case try (unsuffix ext_typeN) ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   762
               SOME ext'
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   763
               => (case get_extfields thy ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   764
                     SOME flds
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   765
                     => (case get_fieldext thy (fst (hd flds)) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   766
                           SOME (_,alphas)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   767
                           => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   768
                                val (f::fs) = but_last flds;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   769
                                val flds' = apfst (Sign.extern_const thy) f
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   770
                                            ::map (apfst NameSpace.base) fs;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   771
                                val (args',more) = split_last args;
19748
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   772
                                val alphavars = map varifyT (but_last alphas);
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   773
                                val subst= fold (Sign.typ_match thy) (alphavars~~args')
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   774
                                                    Vartab.empty;
5d05d091eecb fixed bug in type print translations
schirmer
parents: 19343
diff changeset
   775
                                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
   776
                                                flds';
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   777
                              in flds''@field_lst more end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   778
                              handle TUNIFY         => [("",T)]
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   779
                                   | UnequalLengths => [("",T)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   780
                         | NONE => [("",T)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   781
                   | NONE => [("",T)])
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   782
             | NONE => [("",T)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   783
        | _ => [("",T)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   784
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   785
    val (flds,(_,moreT)) = split_last (field_lst T);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   786
    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
   787
    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
   788
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   789
  in if not (!print_record_type_as_fields) orelse null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   790
     else if moreT = HOLogic.unitT
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   791
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   792
          else Syntax.const record_scheme$flds''$term_of_type moreT
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   793
  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   794
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   795
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   796
fun gen_record_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   797
  let val name_sfx = suffix ext_typeN name;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   798
      fun tr' context ts = record_type_tr' "_field_types" "_field_type"
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   799
                       "_record_type" "_record_type_scheme" context
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   800
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   801
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   802
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   803
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   804
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   805
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
   806
  let val name_sfx = suffix ext_typeN name;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   807
      val default_tr' = record_type_tr' "_field_types" "_field_type"
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   808
                               "_record_type" "_record_type_scheme"
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   809
      fun tr' context ts =
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   810
          record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT context
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   811
                               (list_comb (Syntax.const name_sfx,ts))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   812
  in (name_sfx, tr') end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   813
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   814
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
   815
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   816
val record_quick_and_dirty_sensitive = ref false;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   817
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   818
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   819
fun quick_and_dirty_prove stndrd thy asms prop tac =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   820
  if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   821
  then Goal.prove thy [] [] (Logic.list_implies (map Logic.varify asms,Logic.varify prop))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   822
        (K (SkipProof.cheat_tac HOL.thy))
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   823
        (* standard can take quite a while for large records, thats why
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   824
         * we varify the proposition manually here.*)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   825
  else let val prf = Goal.prove thy [] asms prop tac;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   826
       in if stndrd then standard prf else prf end;
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   827
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   828
fun quick_and_dirty_prf noopt opt () =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   829
      if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   830
      then noopt ()
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   831
      else opt ();
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   832
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   833
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   834
fun prove_split_simp thy ss T prop =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   835
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   836
    val {sel_upd={simpset,...},extsplit,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   837
    val extsplits =
17412
e26cb20ef0cc TableFun/Symtab: curried lookup and update;
wenzelm
parents: 17377
diff changeset
   838
            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
   839
                    ([],dest_recTs T);
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   840
    val thms = (case get_splits thy (rec_id (~1) T) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   841
                   SOME (all_thm,_,_,_) =>
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   842
                     all_thm::(case extsplits of [thm] => [] | _ => extsplits)
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   843
                              (* [thm] is the same as all_thm *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   844
                 | NONE => extsplits)
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   845
  in
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   846
    quick_and_dirty_prove true thy [] prop
17875
d81094515061 change_claset/simpset;
wenzelm
parents: 17616
diff changeset
   847
      (fn _ => simp_tac (Simplifier.inherit_context ss simpset addsimps thms) 1)
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   848
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   849
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   850
15059
schirmer
parents: 15058
diff changeset
   851
local
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   852
fun eq (s1:string) (s2:string) = (s1 = s2);
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   853
fun has_field extfields f T =
18931
427df66052a1 TableFun: renamed xxx_multi to xxx_list;
wenzelm
parents: 18928
diff changeset
   854
     exists (fn (eN,_) => exists (eq f o fst) (Symtab.lookup_list extfields eN))
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   855
       (dest_recTs T);
15059
schirmer
parents: 15058
diff changeset
   856
in
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   857
(* record_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   858
(* Simplifies selections of an record update:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   859
 *  (1)  S (r(|S:=k|)) = k respectively
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   860
 *  (2)  S (r(|X:=k|)) = S r
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   861
 * The simproc skips multiple updates at once, eg:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   862
 *  S (r (|S:=k,X:=2,Y:=3|)) = k
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   863
 * But be careful in (2) because of the extendibility of records.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   864
 * - If S is a more-selector we have to make sure that the update on component
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   865
 *   X does not affect the selected subrecord.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   866
 * - 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
   867
 *   subrecord.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   868
 *)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   869
val record_simproc =
17616
f526e2b9fe9e simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents: 17600
diff changeset
   870
  Simplifier.simproc HOL.thy "record_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   871
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   872
      (case t of (sel as Const (s, Type (_,[domS,rangeS])))$
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   873
                   ((upd as Const (u,Type(_,[_,Type (_,[rT,_])]))) $ k $ r)=>
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   874
        if is_selector thy s then
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   875
          (case get_updates thy u of SOME u_name =>
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   876
            let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   877
              val {sel_upd={updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   878
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   879
              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
   880
                  (case Symtab.lookup updates u of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   881
                     NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   882
                   | SOME u_name
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   883
                     => if u_name = s
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   884
                        then let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   885
                               val rv = ("r",rT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   886
                               val rb = Bound 0
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   887
                               val kv = ("k",kT)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   888
                               val kb = Bound 1
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   889
                             in SOME (upd$kb$rb,kb,[kv,rv],true) end
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   890
                        else if has_field extfields u_name rangeS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   891
                             orelse has_field extfields s kT
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   892
                             then NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   893
                             else (case mk_eq_terms r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   894
                                     SOME (trm,trm',vars,update_s)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   895
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   896
                                          val kv = ("k",kT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   897
                                          val kb = Bound (length vars)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   898
                                        in SOME (upd$kb$trm,trm',kv::vars,update_s) end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   899
                                   | NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   900
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   901
                                          val rv = ("r",rT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   902
                                          val rb = Bound 0
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   903
                                          val kv = ("k",kT)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   904
                                          val kb = Bound 1
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   905
                                        in SOME (upd$kb$rb,rb,[kv,rv],false) end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   906
                | mk_eq_terms r = NONE
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   907
            in
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   908
              (case mk_eq_terms (upd$k$r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   909
                 SOME (trm,trm',vars,update_s)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   910
                 => if update_s
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   911
                    then SOME (prove_split_simp thy ss domS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   912
                                 (list_all(vars,(equals rangeS$(sel$trm)$trm'))))
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   913
                    else SOME (prove_split_simp thy ss domS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   914
                                 (list_all(vars,(equals rangeS$(sel$trm)$(sel$trm')))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   915
               | NONE => NONE)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   916
            end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   917
          | NONE => NONE)
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
   918
        else NONE
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   919
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   920
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   921
(* record_upd_simproc *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   922
(* simplify multiple updates:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   923
 *  (1)  "r(|M:=3,N:=1,M:=2,N:=4|) == r(|M:=2,N:=4|)"
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   924
 *  (2)  "r(|M:= M r|) = r"
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   925
 * For (2) special care of "more" updates has to be taken:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   926
 *    r(|more := m; A := A r|)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   927
 * 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
   928
 * (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
   929
*)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   930
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
   931
  Simplifier.simproc HOL.thy "record_upd_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   932
    (fn thy => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   933
      (case t of ((upd as Const (u, Type(_,[_,Type(_,[rT,_])]))) $ k $ r) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   934
         let datatype ('a,'b) calc = Init of 'b | Inter of 'a
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
   935
             val {sel_upd={selectors,updates,...},extfields,...} = RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   936
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   937
             (*fun mk_abs_var x t = (x, fastype_of t);*)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   938
             fun sel_name u = NameSpace.base (unsuffix updateN u);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   939
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   940
             fun seed s (upd as Const (more,Type(_,[mT,_]))$ k $ r) =
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   941
                  if has_field extfields s mT then upd else seed s r
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   942
               | seed _ r = r;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   943
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   944
             fun grow u uT k kT vars (sprout,skeleton) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   945
                   if sel_name u = moreN
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   946
                   then let val kv = ("k", kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   947
                            val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   948
                        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
   949
                   else ((sprout,skeleton),vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   950
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   951
             fun is_upd_same (sprout,skeleton) u ((sel as Const (s,_))$r) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   952
                   if (unsuffix updateN u) = s andalso (seed s sprout) = r
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   953
                   then SOME (sel,seed s skeleton)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   954
                   else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   955
               | is_upd_same _ _ _ = NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   956
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   957
             fun init_seed r = ((r,Bound 0), [("r", rT)]);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   958
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   959
             (* mk_updterm returns either
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   960
              *  - Init (orig-term, orig-term-skeleton, vars) if no optimisation can be made,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   961
              *     where vars are the bound variables in the skeleton
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   962
              *  - Inter (orig-term-skeleton,simplified-term-skeleton,
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   963
              *           vars, (term-sprout, skeleton-sprout))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   964
              *     where "All vars. orig-term-skeleton = simplified-term-skeleton" is
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   965
              *     the desired simplification rule,
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   966
              *     the sprouts accumulate the "more-updates" on the way from the seed
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   967
              *     to the outermost update. It is only relevant to calculate the
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   968
              *     possible simplification for (2)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   969
              * 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
   970
              * memorising the updates in the already-table. While walking up the
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   971
              * updates again, the optimised term is constructed.
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   972
              *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   973
             fun mk_updterm upds already
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   974
                 (t as ((upd as Const (u,uT as (Type (_,[kT,_])))) $ k $ r)) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   975
                 if Symtab.defined upds u
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   976
                 then let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   977
                         fun rest already = mk_updterm upds already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   978
                      in if u mem_string already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   979
                         then (case (rest already r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   980
                                 Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   981
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   982
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   983
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   984
                                   val (sprout',vars')= grow u uT k kT (kv::vars) (sprout,skel);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   985
                                 in Inter (upd$kb$skel,skel,vars',sprout') end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   986
                               | Inter (trm,trm',vars,sprout) =>
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   987
                                 let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   988
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   989
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   990
                                   val (sprout',vars') = grow u uT k kT (kv::vars) sprout;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   991
                                 in Inter(upd$kb$trm,trm',kv::vars',sprout') end)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   992
                         else
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   993
                          (case rest (u::already) r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   994
                             Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   995
                              (case is_upd_same (sprout,skel) u k of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   996
                                 SOME (sel,skel') =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   997
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   998
                                   val (sprout',vars') = grow u uT k kT vars (sprout,skel);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   999
                                  in Inter(upd$(sel$skel')$skel,skel,vars',sprout') end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1000
                               | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1001
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1002
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1003
                                   val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1004
                                 in Init ((upd$k$sprout,upd$kb$skel),kv::vars) end)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1005
                           | Inter (trm,trm',vars,sprout) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1006
                               (case is_upd_same sprout u k of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1007
                                  SOME (sel,skel) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1008
                                  let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1009
                                    val (sprout',vars') = grow u uT k kT vars sprout
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1010
                                  in Inter(upd$(sel$skel)$trm,trm',vars',sprout') end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1011
                                | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1012
                                  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1013
                                    val kv = (sel_name u, kT)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1014
                                    val kb = Bound (length vars)
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1015
                                    val (sprout',vars') = grow u uT k kT (kv::vars) sprout
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1016
                                  in Inter (upd$kb$trm,upd$kb$trm',vars',sprout') end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1017
                      end
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1018
                 else Init (init_seed t)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1019
               | mk_updterm _ _ t = Init (init_seed t);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1020
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1021
         in (case mk_updterm updates [] t of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1022
               Inter (trm,trm',vars,_)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1023
                => SOME (prove_split_simp thy ss rT
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1024
                          (list_all(vars,(equals rT$trm$trm'))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1025
             | _ => NONE)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1026
         end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1027
       | _ => NONE));
15059
schirmer
parents: 15058
diff changeset
  1028
end
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1029
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1030
(* record_eq_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1031
(* looks up the most specific record-equality.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1032
 * Note on efficiency:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1033
 * Testing equality of records boils down to the test of equality of all components.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1034
 * Therefore the complexity is: #components * complexity for single component.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1035
 * Especially if a record has a lot of components it may be better to split up
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1036
 * the record first and do simplification on that (record_split_simp_tac).
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1037
 * e.g. r(|lots of updates|) = x
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1038
 *
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1039
 *               record_eq_simproc       record_split_simp_tac
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1040
 * Complexity: #components * #updates     #updates
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1041
 *
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1042
 *)
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1043
val record_eq_simproc =
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1044
  Simplifier.simproc HOL.thy "record_eq_simp" ["r = s"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1045
    (fn thy => fn _ => fn t =>
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1046
      (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
  1047
        (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1048
           "" => NONE
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1049
         | name => (case get_equalities thy name of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1050
                                NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1051
                              | SOME thm => SOME (thm RS Eq_TrueI)))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1052
       | _ => NONE));
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1053
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1054
(* record_split_simproc *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1055
(* splits quantified occurrences of records, for which P holds. P can peek on the
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1056
 * 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
  1057
 * P t = 0: do not split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1058
 * P t = ~1: completely split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1059
 * P t > 0: split up to given bound of record extensions
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1060
 *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1061
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
  1062
  Simplifier.simproc HOL.thy "record_split_simp" ["x"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1063
    (fn thy => fn _ => fn t =>
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1064
      (case t of (Const (quantifier, Type (_, [Type (_, [T, _]), _])))$trm =>
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1065
         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
  1066
         then (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1067
                 "" => NONE
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1068
               | name
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1069
                  => let val split = P t
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1070
                     in if split <> 0 then
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1071
                        (case get_splits thy (rec_id split T) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1072
                              NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1073
                            | SOME (all_thm, All_thm, Ex_thm,_)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1074
                               => SOME (case quantifier of
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1075
                                          "all" => all_thm
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1076
                                        | "All" => All_thm RS HOL.eq_reflection
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1077
                                        | "Ex"  => Ex_thm RS HOL.eq_reflection
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1078
                                        | _     => error "record_split_simproc"))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1079
                        else NONE
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1080
                      end)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1081
         else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1082
       | _ => NONE))
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1083
14427
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1084
val record_ex_sel_eq_simproc =
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1085
  Simplifier.simproc HOL.thy "record_ex_sel_eq_simproc" ["Ex t"]
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1086
    (fn thy => fn ss => fn t =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1087
       let
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1088
         fun prove prop =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1089
           quick_and_dirty_prove true thy [] prop
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1090
             (fn _ => simp_tac (Simplifier.inherit_context ss (get_simpset thy)
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1091
               addsimps simp_thms addsimprocs [record_split_simproc (K ~1)]) 1);
14959
schirmer
parents: 14854
diff changeset
  1092
schirmer
parents: 14854
diff changeset
  1093
         fun mkeq (lr,Teq,(sel,Tsel),x) i =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1094
              if is_selector thy sel then
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1095
                 let val x' = if not (loose_bvar1 (x,0))
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1096
                              then Free ("x" ^ string_of_int i, range_type Tsel)
14959
schirmer
parents: 14854
diff changeset
  1097
                              else raise TERM ("",[x]);
schirmer
parents: 14854
diff changeset
  1098
                     val sel' = Const (sel,Tsel)$Bound 0;
schirmer
parents: 14854
diff changeset
  1099
                     val (l,r) = if lr then (sel',x') else (x',sel');
schirmer
parents: 14854
diff changeset
  1100
                  in Const ("op =",Teq)$l$r end
17510
5e3ce025e1a5 tuned simprocs;
wenzelm
parents: 17485
diff changeset
  1101
              else raise TERM ("",[Const (sel,Tsel)]);
14959
schirmer
parents: 14854
diff changeset
  1102
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1103
         fun dest_sel_eq (Const ("op =",Teq)$(Const (sel,Tsel)$Bound 0)$X) =
14959
schirmer
parents: 14854
diff changeset
  1104
                           (true,Teq,(sel,Tsel),X)
schirmer
parents: 14854
diff changeset
  1105
           | dest_sel_eq (Const ("op =",Teq)$X$(Const (sel,Tsel)$Bound 0)) =
schirmer
parents: 14854
diff changeset
  1106
                           (false,Teq,(sel,Tsel),X)
schirmer
parents: 14854
diff changeset
  1107
           | dest_sel_eq _ = raise TERM ("",[]);
schirmer
parents: 14854
diff changeset
  1108
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1109
       in
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1110
         (case t of
14959
schirmer
parents: 14854
diff changeset
  1111
           (Const ("Ex",Tex)$Abs(s,T,t)) =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1112
             (let val eq = mkeq (dest_sel_eq t) 0;
14959
schirmer
parents: 14854
diff changeset
  1113
                 val prop = list_all ([("r",T)],
schirmer
parents: 14854
diff changeset
  1114
                              Logic.mk_equals (Const ("Ex",Tex)$Abs(s,T,eq),
schirmer
parents: 14854
diff changeset
  1115
                                               HOLogic.true_const));
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1116
             in SOME (prove prop) end
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1117
             handle TERM _ => NONE)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1118
          | _ => NONE)
14427
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1119
         end)
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1120
5698
2b5d9bdec5af field types: datatype;
wenzelm
parents: 5290
diff changeset
  1121
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1122
6358
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1123
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1124
local
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1125
val inductive_atomize = thms "induct_atomize";
18464
a081b771392c induct_rulify;
wenzelm
parents: 18377
diff changeset
  1126
val inductive_rulify = thms "induct_rulify";
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1127
in
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1128
(* record_split_simp_tac *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1129
(* splits (and simplifies) all records in the goal for which P holds.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1130
 * For quantified occurrences of a record
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1131
 * P can peek on the whole subterm (including the quantifier); for free variables P
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1132
 * can only peek on the variable itself.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1133
 * P t = 0: do not split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1134
 * P t = ~1: completely split
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1135
 * P t > 0: split up to given bound of record extensions
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1136
 *)
15248
b436486091a6 record_split_simp_tac now can get simp rules as parameter
schirmer
parents: 15215
diff changeset
  1137
fun record_split_simp_tac thms P i st =
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1138
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1139
    val thy = Thm.theory_of_thm st;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1140
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1141
    val has_rec = exists_Const
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1142
      (fn (s, Type (_, [Type (_, [T, _]), _])) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1143
          (s = "all" orelse s = "All" orelse s = "Ex") andalso is_recT T
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1144
        | _ => false);
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1145
18011
685d95c793ff cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents: 17960
diff changeset
  1146
    val goal = nth (Thm.prems_of st) (i - 1);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1147
    val frees = List.filter (is_recT o type_of) (term_frees goal);
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1148
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1149
    fun mk_split_free_tac free induct_thm i =
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1150
        let val cfree = cterm_of thy free;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1151
            val (_$(_$r)) = concl_of induct_thm;
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1152
            val crec = cterm_of thy r;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1153
            val thm  = cterm_instantiate [(crec,cfree)] induct_thm;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1154
        in EVERY [simp_tac (HOL_basic_ss addsimps inductive_atomize) i,
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1155
                  rtac thm i,
18464
a081b771392c induct_rulify;
wenzelm
parents: 18377
diff changeset
  1156
                  simp_tac (HOL_basic_ss addsimps inductive_rulify) i]
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1157
        end;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1158
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1159
    fun split_free_tac P i (free as Free (n,T)) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1160
        (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1161
           "" => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1162
         | name => let val split = P free
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1163
                   in if split <> 0 then
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1164
                      (case get_splits thy (rec_id split T) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1165
                             NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1166
                           | SOME (_,_,_,induct_thm)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1167
                               => SOME (mk_split_free_tac free induct_thm i))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1168
                      else NONE
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1169
                   end)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1170
     | split_free_tac _ _ _ = NONE;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1171
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1172
    val split_frees_tacs = List.mapPartial (split_free_tac P i) frees;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1173
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1174
    val simprocs = if has_rec goal then [record_split_simproc P] else [];
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1175
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1176
  in st |> ((EVERY split_frees_tacs)
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1177
           THEN (Simplifier.full_simp_tac (get_simpset thy addsimps thms addsimprocs simprocs) i))
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1178
  end handle Empty => Seq.empty;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1179
end;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1180
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1181
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1182
(* record_split_tac *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1183
(* splits all records in the goal, which are quantified by ! or !!. *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1184
fun record_split_tac i st =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1185
  let
18858
ceb93f3af7f0 advanced translations: Context.generic;
wenzelm
parents: 18728
diff changeset
  1186
    val thy = Thm.theory_of_thm st;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1187
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1188
    val has_rec = exists_Const
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1189
      (fn (s, Type (_, [Type (_, [T, _]), _])) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1190
          (s = "all" orelse s = "All") andalso is_recT T
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1191
        | _ => false);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1192
18011
685d95c793ff cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents: 17960
diff changeset
  1193
    val goal = nth (Thm.prems_of st) (i - 1);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1194
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1195
    fun is_all t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1196
      (case t of (Const (quantifier, _)$_) =>
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1197
         if quantifier = "All" orelse quantifier = "all" then ~1 else 0
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1198
       | _ => 0);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1199
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1200
  in if has_rec goal
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1201
     then Simplifier.full_simp_tac
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1202
           (HOL_basic_ss addsimprocs [record_split_simproc is_all]) i st
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1203
     else Seq.empty
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1204
  end handle Subscript => Seq.empty;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1205
6358
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1206
(* wrapper *)
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1207
5707
b0e631634b5a field_injects [iffs];
wenzelm
parents: 5698
diff changeset
  1208
val record_split_name = "record_split_tac";
b0e631634b5a field_injects [iffs];
wenzelm
parents: 5698
diff changeset
  1209
val record_split_wrapper = (record_split_name, fn tac => record_split_tac ORELSE' tac);
5698
2b5d9bdec5af field types: datatype;
wenzelm
parents: 5290
diff changeset
  1210
16330
934219e919e4 Sign.read_typ_abbrev;
wenzelm
parents: 16281
diff changeset
  1211
934219e919e4 Sign.read_typ_abbrev;
wenzelm
parents: 16281
diff changeset
  1212
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1213
(** theory exten