src/HOL/Tools/record_package.ML
author haftmann
Wed, 14 Sep 2005 10:24:39 +0200
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parent 17337 5e3dde342840
child 17412 e26cb20ef0cc
permissions -rw-r--r--
introduced AList.lookup
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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) list
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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 triv_goal   = thm "triv_goal";
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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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(* 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 sg ({records = recs, ...}: record_data) =
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    let
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      val prt_typ = Sign.pretty_typ sg;
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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 sg 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.curried_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.curried_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 get_selectors = Symtab.curried_lookup o #selectors o get_sel_upd;
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fun is_selector sg name = is_some (get_selectors sg (Sign.intern_const sg name));
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val get_updates = Symtab.curried_lookup o #updates o get_sel_upd;
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val get_simpset = #simpset o get_sel_upd;
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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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    val upds = map (suffix updateN) names ~~ names;
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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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      {selectors = Symtab.extend (selectors, sels),
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        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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(* access 'equalities' *)
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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.curried_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.curried_lookup o #equalities o RecordsData.get;
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(* access 'extinjects' *)
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c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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fun add_extinjects 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 equalities (extinjects@[thm]) extsplit
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                 splits extfields fieldext;
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  in RecordsData.put data thy end;
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fun get_extinjects sg = #extinjects (RecordsData.get sg);
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c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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(* access 'extsplit' *)
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c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   365
fun add_extsplit 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;
17261
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   369
    val data = make_record_data records sel_upd
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      equalities extinjects (Symtab.curried_update_new (name, thm) extsplit) splits
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      extfields fieldext;
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  in RecordsData.put data thy end;
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   374
val get_extsplit = Symtab.curried_lookup o #extsplit o RecordsData.get;
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   375
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(* access 'splits' *)
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   378
fun add_record_splits name thmP thy =
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  let
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   380
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} =
15015
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   381
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
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   382
    val data = make_record_data records sel_upd
193b84a70ca4 curried_lookup/update;
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   383
      equalities extinjects extsplit (Symtab.curried_update_new (name, thmP) splits)
15015
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   384
      extfields fieldext;
14255
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   385
  in RecordsData.put data thy end;
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   386
17261
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   387
val get_splits = Symtab.curried_lookup o #splits o RecordsData.get;
14255
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   388
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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   389
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
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diff changeset
   390
14700
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   391
(* extension of a record name *)
17261
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   392
val get_extension =
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   393
  Option.map #extension oo (Symtab.curried_lookup o #records o RecordsData.get);
193b84a70ca4 curried_lookup/update;
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   394
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
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   395
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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   396
(* access 'extfields' *)
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   397
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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   398
fun add_extfields name fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   399
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   400
    val {records, sel_upd, equalities, extinjects, extsplit,splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   401
          RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   402
    val data = make_record_data records sel_upd
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   403
         equalities extinjects extsplit splits
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   404
         (Symtab.curried_update_new (name, fields) extfields) fieldext;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   405
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   406
17261
193b84a70ca4 curried_lookup/update;
wenzelm
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   407
val get_extfields = Symtab.curried_lookup o #extfields o RecordsData.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   408
17261
193b84a70ca4 curried_lookup/update;
wenzelm
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   409
fun get_extT_fields sg T =
15059
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   410
  let
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   411
    val ((name,Ts),moreT) = dest_recT T;
17261
193b84a70ca4 curried_lookup/update;
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   412
    val recname = let val (nm::recn::rst) = rev (NameSpace.unpack name)
15059
schirmer
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   413
                  in NameSpace.pack (rev (nm::rst)) end;
schirmer
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   414
    val midx = maxidx_of_typs (moreT::Ts);
schirmer
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   415
    fun varify (a, S) = TVar ((a, midx), S);
schirmer
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   416
    val varifyT = map_type_tfree varify;
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
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   417
    val {records,extfields,...} = RecordsData.get sg;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
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diff changeset
   418
    val (flds,(more,_)) = split_last (Symtab.curried_lookup_multi extfields name);
193b84a70ca4 curried_lookup/update;
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   419
    val args = map varifyT (snd (#extension (the (Symtab.curried_lookup records recname))));
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
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diff changeset
   420
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
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diff changeset
   421
    val (subst,_) = fold (Sign.typ_unify sg) (but_last args ~~ but_last Ts) (Vartab.empty,0);
15059
schirmer
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   422
    val flds' = map (apsnd ((Envir.norm_type subst) o varifyT)) flds;
schirmer
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diff changeset
   423
  in (flds',(more,moreT)) end;
15058
cc8f1de3f86c added: get_extT_fields and
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diff changeset
   424
17261
193b84a70ca4 curried_lookup/update;
wenzelm
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   425
fun get_recT_fields sg T =
193b84a70ca4 curried_lookup/update;
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   426
  let
15059
schirmer
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diff changeset
   427
    val (root_flds,(root_more,root_moreT)) = get_extT_fields sg T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   428
    val (rest_flds,rest_more) =
193b84a70ca4 curried_lookup/update;
wenzelm
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diff changeset
   429
           if is_recT root_moreT then get_recT_fields sg root_moreT
15059
schirmer
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diff changeset
   430
           else ([],(root_more,root_moreT));
schirmer
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diff changeset
   431
  in (root_flds@rest_flds,rest_more) end;
schirmer
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diff changeset
   432
15058
cc8f1de3f86c added: get_extT_fields and
schirmer
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diff changeset
   433
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   434
(* access 'fieldext' *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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parents: 14643
diff changeset
   435
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
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diff changeset
   436
fun add_fieldext extname_types fields thy =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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diff changeset
   437
  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   438
    val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   439
           RecordsData.get thy;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   440
    val fieldext' =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   441
      fold (fn field => Symtab.curried_update_new (field, extname_types)) fields fieldext;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   442
    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
   443
              splits extfields fieldext';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   444
  in RecordsData.put data thy end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   445
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
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parents: 14643
diff changeset
   446
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   447
val get_fieldext = Symtab.curried_lookup o #fieldext o RecordsData.get;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   448
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   449
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   450
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   451
fun add_parents thy NONE parents = parents
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   452
  | add_parents thy (SOME (types, name)) parents =
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   453
      let
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   454
        val sign = Theory.sign_of thy;
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   455
        fun err msg = error (msg ^ " parent record " ^ quote name);
12255
wenzelm
parents: 12247
diff changeset
   456
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   457
        val {args, parent, fields, extension, induct} =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   458
          (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
   459
        val _ = if length types <> length args then err "Bad number of arguments for" else ();
12255
wenzelm
parents: 12247
diff changeset
   460
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   461
        fun bad_inst ((x, S), T) =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   462
          if Sign.of_sort sign (T, S) then NONE else SOME x
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   463
        val bads = List.mapPartial bad_inst (args ~~ types);
12255
wenzelm
parents: 12247
diff changeset
   464
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   465
        val inst = map fst args ~~ types;
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   466
        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
   467
        val parent' = Option.map (apfst (map subst)) parent;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   468
        val fields' = map (apsnd subst) fields;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   469
        val extension' = apsnd (map subst) extension;
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   470
      in
12255
wenzelm
parents: 12247
diff changeset
   471
        conditional (not (null bads)) (fn () =>
wenzelm
parents: 12247
diff changeset
   472
          err ("Ill-sorted instantiation of " ^ commas bads ^ " in"));
wenzelm
parents: 12247
diff changeset
   473
        add_parents thy parent'
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   474
          (make_parent_info name fields' extension' induct::parents)
12247
9b029789aff6 derive cases/induct rules for ``more'' parts;
wenzelm
parents: 12129
diff changeset
   475
      end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   476
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   477
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   478
(** concrete syntax for records **)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   479
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   480
(* parse translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   481
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   482
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
   483
      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
   484
      else raise TERM ("gen_field_tr: " ^ mark, [t])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   485
  | 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
   486
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   487
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
   488
      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
   489
      else [gen_field_tr mark sfx tm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   490
  | 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
   491
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
fun record_update_tr [t, u] =
15574
b1d1b5bfc464 Removed practically all references to Library.foldr.
skalberg
parents: 15570
diff changeset
   494
      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
   495
  | 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
   496
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   497
fun update_name_tr (Free (x, T) :: ts) = Free (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   498
  | update_name_tr (Const (x, T) :: ts) = Const (suffix updateN x, T) $$ ts
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   499
  | 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
   500
      (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
   501
  | 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
   502
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   503
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
   504
     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
   505
  | 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
   506
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   507
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
   508
     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
   509
     else [dest_ext_field mark trm]
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   510
  | 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
   511
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   512
fun gen_ext_fields_tr sep mark sfx more sg t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   513
  let
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   514
    val msg = "error in record input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   515
    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
   516
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   517
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   518
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   519
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   520
          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
   521
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   522
      | 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
   523
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   524
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   525
    fun mk_ext (fargs as (name,arg)::_) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   526
         (case get_fieldext sg (Sign.intern_const sg name) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   527
            SOME (ext,_) => (case get_extfields sg ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   528
                               SOME flds
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   529
                                 => let val (args,rest) =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   530
                                               splitargs (map fst (but_last flds)) fargs;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   531
                                        val more' = mk_ext rest;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   532
                                    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
   533
                                    end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   534
                             | 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
   535
                                                   ^ ext,[t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   536
          | 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
   537
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   538
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   539
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   540
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   541
fun gen_ext_type_tr sep mark sfx more sg t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   542
  let
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   543
    val msg = "error in record-type input: ";
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   544
    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
   545
    fun splitargs (field::fields) ((name,arg)::fargs) =
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   546
          if can (unsuffix name) field
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   547
          then let val (args,rest) = splitargs fields fargs
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   548
               in (arg::args,rest) end
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   549
          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
   550
      | splitargs [] (fargs as (_::_)) = ([],fargs)
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   551
      | 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
   552
      | splitargs _ _ = ([],[]);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   553
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   554
    fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS sg);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   555
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   556
    fun to_type t = Sign.certify_typ sg
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   557
                       (Sign.intern_typ sg
15957
f2a0a80d8233 Bugfix in syntax translation for record type.
schirmer
parents: 15913
diff changeset
   558
                         (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t));
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   559
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   560
    fun mk_ext (fargs as (name,arg)::_) =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   561
         (case get_fieldext sg (Sign.intern_const sg name) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   562
            SOME (ext,alphas) =>
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   563
              (case get_extfields sg ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   564
                 SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   565
                  => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   566
                       val flds' = but_last flds;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   567
                       val types = map snd flds';
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   568
                       val (args,rest) = splitargs (map fst flds') fargs;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   569
                       val vartypes = map Type.varifyT types;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   570
                       val argtypes = map to_type args;
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   571
                       val (subst,_) = fold (Sign.typ_unify sg) (vartypes ~~ argtypes)
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   572
                                            (Vartab.empty,0);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   573
                       val alphas' = map ((Syntax.term_of_typ (! Syntax.show_sorts)) o
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   574
                                          Envir.norm_type subst o Type.varifyT)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   575
                                         (but_last alphas);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   576
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   577
                       val more' = mk_ext rest;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   578
                     in list_comb (Syntax.const (suffix sfx ext),alphas'@[more'])
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   579
                     end handle TUNIFY => raise
14709
d01983034ded tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents: 14702
diff changeset
   580
                           TERM (msg ^ "type is no proper record (extension)", [t]))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   581
               | NONE => raise TERM (msg ^ "no fields defined for " ^ ext,[t]))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   582
          | 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
   583
      | mk_ext [] = more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   584
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   585
  in mk_ext fieldargs end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   586
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   587
fun gen_adv_record_tr sep mark sfx unit sg [t] =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   588
      gen_ext_fields_tr sep mark sfx unit sg t
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   589
  | 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
   590
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   591
fun gen_adv_record_scheme_tr sep mark sfx sg [t, more] =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   592
      gen_ext_fields_tr sep mark sfx more sg t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   593
  | 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
   594
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   595
fun gen_adv_record_type_tr sep mark sfx unit sg [t] =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   596
      gen_ext_type_tr sep mark sfx unit sg t
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   597
  | 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
   598
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   599
fun gen_adv_record_type_scheme_tr sep mark sfx sg [t, more] =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   600
      gen_ext_type_tr sep mark sfx more sg t
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   601
  | 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
   602
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   603
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
   604
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
   605
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   606
val adv_record_type_tr =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   607
      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
   608
        (Syntax.term_of_typ false (HOLogic.unitT));
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   609
val adv_record_type_scheme_tr =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   610
      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
   611
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   612
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   613
val parse_translation =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   614
 [("_record_update", record_update_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   615
  ("_update_name", update_name_tr)];
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   616
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   617
val adv_parse_translation =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   618
 [("_record",adv_record_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   619
  ("_record_scheme",adv_record_scheme_tr),
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   620
  ("_record_type",adv_record_type_tr),
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   621
  ("_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
   622
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   623
(* print translations *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   624
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   625
val print_record_type_abbr = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   626
val print_record_type_as_fields = ref true;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   627
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   628
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
   629
    (case try (unsuffix sfx) name_field of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   630
      SOME name =>
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   631
        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
   632
     | NONE => ([], tm))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   633
  | gen_field_upds_tr' _ _ tm = ([], tm);
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 record_update_tr' tm =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   636
  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
   637
    Syntax.const "_record_update" $ u $
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   638
      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
   639
  end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   640
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   641
fun gen_field_tr' sfx tr' name =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   642
  let val name_sfx = suffix sfx name
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   643
  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
   644
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   645
fun record_tr' sep mark record record_scheme unit sg t =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   646
  let
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   647
    fun field_lst t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   648
      (case strip_comb t of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   649
        (Const (ext,_),args)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   650
         => (case try (unsuffix extN) (Sign.intern_const sg ext) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   651
               SOME ext'
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   652
               => (case get_extfields sg ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   653
                     SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   654
                     => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   655
                          val (f::fs) = but_last (map fst flds);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   656
                          val flds' = Sign.extern_const sg f :: map NameSpace.base fs;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   657
                          val (args',more) = split_last args;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   658
                         in (flds'~~args')@field_lst more end
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   659
                         handle UnequalLengths => [("",t)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   660
                   | NONE => [("",t)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   661
             | NONE => [("",t)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   662
       | _ => [("",t)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   663
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   664
    val (flds,(_,more)) = split_last (field_lst t);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   665
    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
   666
    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
   667
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   668
  in if null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   669
     else if unit more
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   670
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   671
          else Syntax.const record_scheme$flds''$more
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   672
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   673
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   674
fun gen_record_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   675
  let val name_sfx = suffix extN name;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   676
      val unit = (fn Const ("Unity",_) => true | _ => false);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   677
      fun tr' sg ts = record_tr' "_fields" "_field" "_record" "_record_scheme" unit sg
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   678
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   679
  in (name_sfx,tr')
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
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   682
fun print_translation names =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   683
  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
   684
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   685
(* 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
   686
(* the (nested) extension types.                                                    *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   687
fun record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT sg tm =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   688
  let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   689
      (* 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
   690
      (* 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
   691
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   692
      fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS sg);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   693
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   694
      (* WORKAROUND:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   695
       * 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
   696
       * may be some internal frees donoted by ??:
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   697
       * (Const "_tfree",_)$Free ("??'a",_).
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   698
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   699
       * This will unfortunately be translated to Type ("??'a",[]) instead of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   700
       * 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
   701
       * fixT works around.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   702
       *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   703
      fun fixT (T as Type (x,[])) =
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   704
            if String.isPrefix "??'" x then TFree (x,Sign.defaultS sg) else T
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   705
        | 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
   706
        | fixT T = T;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   707
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   708
      val T = fixT (Sign.intern_typ sg
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   709
                      (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts tm)) I tm));
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   710
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   711
      fun mk_type_abbr subst name alphas =
16281
de9815628d33 bugfix in record_type_abbr_tr'
schirmer
parents: 16124
diff changeset
   712
          let val abbrT = Type (name, map (fn a => TVar ((a, 0), Sign.defaultS sg)) alphas);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   713
          in Syntax.term_of_typ (! Syntax.show_sorts)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   714
               (Sign.extern_typ sg (Envir.norm_type subst abbrT)) end;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   715
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   716
      fun unify rT T = fst (Sign.typ_unify sg (Type.varifyT rT,T) (Vartab.empty,0));
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   717
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   718
   in if !print_record_type_abbr
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   719
      then (case last_extT T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   720
             SOME (name,_)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   721
              => if name = lastExt
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   722
                 then
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   723
                  (let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   724
                     val subst = unify schemeT T
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   725
                   in
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   726
                    if HOLogic.is_unitT (Envir.norm_type subst (TVar((zeta,0),Sign.defaultS sg)))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   727
                    then mk_type_abbr subst abbr alphas
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   728
                    else mk_type_abbr subst (suffix schemeN abbr) (alphas@[zeta])
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   729
                   end handle TUNIFY => default_tr' sg tm)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   730
                 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
   731
            | _ => raise Match)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   732
       else default_tr' sg tm
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   733
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   734
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   735
fun record_type_tr' sep mark record record_scheme sg t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   736
  let
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
   737
    fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS sg);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   738
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   739
    val T = Sign.intern_typ sg (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   740
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   741
    fun term_of_type T = Syntax.term_of_typ (!Syntax.show_sorts) (Sign.extern_typ sg T);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   742
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   743
    fun field_lst T =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   744
      (case T of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   745
        Type (ext,args)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   746
         => (case try (unsuffix ext_typeN) ext of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   747
               SOME ext'
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   748
               => (case get_extfields sg ext' of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   749
                     SOME flds
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   750
                     => (case get_fieldext sg (fst (hd flds)) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   751
                           SOME (_,alphas)
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   752
                           => (let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   753
                                val (f::fs) = but_last flds;
16364
dc9f7066d80a refer to name spaces values instead of names;
wenzelm
parents: 16330
diff changeset
   754
                                val flds' = apfst (Sign.extern_const sg) f
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   755
                                            ::map (apfst NameSpace.base) fs;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   756
                                val (args',more) = split_last args;
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   757
                                val alphavars = map Type.varifyT (but_last alphas);
16934
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   758
                                val (subst,_)= fold (Sign.typ_unify sg) (alphavars~~args')
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   759
                                                    (Vartab.empty,0);
9ef19e3c7fdd Sign.typ_unify;
wenzelm
parents: 16872
diff changeset
   760
                                val flds'' =map (apsnd (Envir.norm_type subst o Type.varifyT))
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   761
                                                flds';
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   762
                              in flds''@field_lst more end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   763
                              handle TUNIFY         => [("",T)]
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   764
                                   | UnequalLengths => [("",T)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   765
                         | NONE => [("",T)])
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   766
                   | NONE => [("",T)])
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   767
             | NONE => [("",T)])
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   768
        | _ => [("",T)])
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   769
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   770
    val (flds,(_,moreT)) = split_last (field_lst T);
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   771
    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
   772
    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
   773
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   774
  in if not (!print_record_type_as_fields) orelse null flds then raise Match
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   775
     else if moreT = HOLogic.unitT
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   776
          then Syntax.const record$flds''
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   777
          else Syntax.const record_scheme$flds''$term_of_type moreT
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   778
  end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   779
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   780
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   781
fun gen_record_type_tr' name =
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   782
  let val name_sfx = suffix ext_typeN name;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   783
      fun tr' sg ts = record_type_tr' "_field_types" "_field_type"
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   784
                       "_record_type" "_record_type_scheme" sg
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   785
                       (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   786
  in (name_sfx,tr')
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   787
  end
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   788
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   789
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   790
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
   791
  let val name_sfx = suffix ext_typeN name;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   792
      val default_tr' = record_type_tr' "_field_types" "_field_type"
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   793
                               "_record_type" "_record_type_scheme"
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   794
      fun tr' sg ts = record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT sg
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   795
                         (list_comb (Syntax.const name_sfx,ts))
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   796
  in (name_sfx, tr') end;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
   797
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   798
(** record simprocs **)
14358
233c5bd5b539 cleaning up
schirmer
parents: 14255
diff changeset
   799
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   800
val record_quick_and_dirty_sensitive = ref false;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   801
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   802
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   803
fun quick_and_dirty_prove stndrd sg asms prop tac =
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   804
  if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   805
  then Tactic.prove sg [] [] (Logic.list_implies (map Logic.varify asms,Logic.varify prop))
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   806
        (K (SkipProof.cheat_tac HOL.thy))
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   807
        (* standard can take quite a while for large records, thats why
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   808
         * we varify the proposition manually here.*)
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   809
  else let val prf = Tactic.prove sg [] asms prop tac;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   810
       in if stndrd then standard prf else prf end;
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   811
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   812
fun quick_and_dirty_prf noopt opt () =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   813
      if !record_quick_and_dirty_sensitive andalso !quick_and_dirty
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   814
      then noopt ()
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   815
      else opt ();
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   816
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   817
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   818
fun prove_split_simp sg ss T prop =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   819
  let
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   820
    val {sel_upd={simpset,...},extsplit,...} = RecordsData.get sg;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   821
    val extsplits =
17337
5e3dde342840 the_list (cf. Pure/library.ML);
wenzelm
parents: 17261
diff changeset
   822
            Library.foldl (fn (thms,(n,_)) => the_list (Symtab.curried_lookup extsplit n) @ thms)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   823
                    ([],dest_recTs T);
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
   824
    val thms = (case get_splits sg (rec_id (~1) T) of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   825
                   SOME (all_thm,_,_,_) =>
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   826
                     all_thm::(case extsplits of [thm] => [] | _ => extsplits)
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   827
                              (* [thm] is the same as all_thm *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   828
                 | NONE => extsplits)
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   829
  in
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   830
    quick_and_dirty_prove true sg [] prop
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   831
      (fn _ => simp_tac (Simplifier.inherit_bounds ss simpset addsimps thms) 1)
15203
4481ada46cbb bug-fix
schirmer
parents: 15059
diff changeset
   832
  end;
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   833
15215
6bd87812537c tuned performance of record definition
schirmer
parents: 15203
diff changeset
   834
15059
schirmer
parents: 15058
diff changeset
   835
local
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   836
fun eq (s1:string) (s2:string) = (s1 = s2);
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   837
fun has_field extfields f T =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   838
     exists (fn (eN,_) => exists (eq f o fst) (Symtab.curried_lookup_multi extfields eN))
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   839
       (dest_recTs T);
15059
schirmer
parents: 15058
diff changeset
   840
in
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   841
(* record_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   842
(* Simplifies selections of an record update:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   843
 *  (1)  S (r(|S:=k|)) = k respectively
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   844
 *  (2)  S (r(|X:=k|)) = S r
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   845
 * The simproc skips multiple updates at once, eg:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   846
 *  S (r (|S:=k,X:=2,Y:=3|)) = k
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   847
 * But be careful in (2) because of the extendibility of records.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   848
 * - If S is a more-selector we have to make sure that the update on component
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   849
 *   X does not affect the selected subrecord.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   850
 * - 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
   851
 *   subrecord.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   852
 *)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   853
val record_simproc =
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   854
  Simplifier.simproc (Theory.sign_of HOL.thy) "record_simp" ["s (u k r)"]
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   855
    (fn sg => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   856
      (case t of (sel as Const (s, Type (_,[domS,rangeS])))$
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   857
                   ((upd as Const (u,Type(_,[_,Type (_,[rT,_])]))) $ k $ r)=>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   858
        (case get_selectors sg s of SOME () =>
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   859
          (case get_updates sg u of SOME u_name =>
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   860
            let
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   861
              val {sel_upd={updates,...},extfields,...} = RecordsData.get sg;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   862
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   863
              fun mk_eq_terms ((upd as Const (u,Type(_,[kT,_]))) $ k $ r) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   864
                  (case Symtab.curried_lookup updates u of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   865
                     NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   866
                   | SOME u_name
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   867
                     => if u_name = s
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   868
                        then let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   869
                               val rv = ("r",rT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   870
                               val rb = Bound 0
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   871
                               val kv = ("k",kT)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   872
                               val kb = Bound 1
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   873
                             in SOME (upd$kb$rb,kb,[kv,rv],true) end
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   874
                        else if has_field extfields u_name rangeS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   875
                             orelse has_field extfields s kT
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   876
                             then NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   877
                             else (case mk_eq_terms r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   878
                                     SOME (trm,trm',vars,update_s)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   879
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   880
                                          val kv = ("k",kT)
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
   881
                                          val kb = Bound (length vars)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   882
                                        in SOME (upd$kb$trm,trm',kv::vars,update_s) end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   883
                                   | NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   884
                                     => let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
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,rb,[kv,rv],false) end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   890
                | mk_eq_terms r = NONE
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   891
            in
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   892
              (case mk_eq_terms (upd$k$r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   893
                 SOME (trm,trm',vars,update_s)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   894
                 => if update_s
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   895
                    then SOME (prove_split_simp sg ss domS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   896
                                 (list_all(vars,(equals rangeS$(sel$trm)$trm'))))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   897
                    else SOME (prove_split_simp sg ss domS
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   898
                                 (list_all(vars,(equals rangeS$(sel$trm)$(sel$trm')))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   899
               | NONE => NONE)
13462
56610e2ba220 sane interface for simprocs;
wenzelm
parents: 13419
diff changeset
   900
            end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   901
          | NONE => NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   902
        | NONE => NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   903
      | _ => NONE));
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
   904
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   905
(* record_upd_simproc *)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   906
(* simplify multiple updates:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   907
 *  (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
   908
 *  (2)  "r(|M:= M r|) = r"
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   909
 * For (2) special care of "more" updates has to be taken:
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   910
 *    r(|more := m; A := A r|)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   911
 * 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
   912
 * (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
   913
*)
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   914
val record_upd_simproc =
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   915
  Simplifier.simproc (Theory.sign_of HOL.thy) "record_upd_simp" ["(u k r)"]
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
   916
    (fn sg => fn ss => fn t =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   917
      (case t of ((upd as Const (u, Type(_,[_,Type(_,[rT,_])]))) $ k $ r) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   918
         let datatype ('a,'b) calc = Init of 'b | Inter of 'a
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
   919
             val {sel_upd={selectors,updates,...},extfields,...} = RecordsData.get sg;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   920
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   921
             (*fun mk_abs_var x t = (x, fastype_of t);*)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   922
             fun sel_name u = NameSpace.base (unsuffix updateN u);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   923
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   924
             fun seed s (upd as Const (more,Type(_,[mT,_]))$ k $ r) =
16822
7fa91e6176ed avoiding even more garbage
schirmer
parents: 16783
diff changeset
   925
                  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
   926
               | seed _ r = r;
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   927
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   928
             fun grow u uT k kT vars (sprout,skeleton) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   929
                   if sel_name u = moreN
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   930
                   then let val kv = ("k", kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   931
                            val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   932
                        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
   933
                   else ((sprout,skeleton),vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   934
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   935
             fun is_upd_same (sprout,skeleton) u ((sel as Const (s,_))$r) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   936
                   if (unsuffix updateN u) = s andalso (seed s sprout) = r
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   937
                   then SOME (sel,seed s skeleton)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   938
                   else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   939
               | is_upd_same _ _ _ = NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   940
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   941
             fun init_seed r = ((r,Bound 0), [("r", rT)]);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   942
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   943
             (* mk_updterm returns either
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   944
              *  - Init (orig-term, orig-term-skeleton, vars) if no optimisation can be made,
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   945
              *     where vars are the bound variables in the skeleton
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   946
              *  - Inter (orig-term-skeleton,simplified-term-skeleton,
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   947
              *           vars, (term-sprout, skeleton-sprout))
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   948
              *     where "All vars. orig-term-skeleton = simplified-term-skeleton" is
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   949
              *     the desired simplification rule,
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   950
              *     the sprouts accumulate the "more-updates" on the way from the seed
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   951
              *     to the outermost update. It is only relevant to calculate the
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   952
              *     possible simplification for (2)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   953
              * 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
   954
              * memorising the updates in the already-table. While walking up the
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   955
              * updates again, the optimised term is constructed.
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   956
              *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   957
             fun mk_updterm upds already
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   958
                 (t as ((upd as Const (u,uT as (Type (_,[kT,_])))) $ k $ r)) =
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   959
                 if Symtab.defined upds u
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   960
                 then let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   961
                         fun rest already = mk_updterm upds already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   962
                      in if u mem_string already
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   963
                         then (case (rest already r) of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   964
                                 Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   965
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   966
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   967
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   968
                                   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
   969
                                 in Inter (upd$kb$skel,skel,vars',sprout') end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   970
                               | Inter (trm,trm',vars,sprout) =>
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   971
                                 let
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   972
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   973
                                   val kb = Bound (length vars);
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   974
                                   val (sprout',vars') = grow u uT k kT (kv::vars) sprout;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   975
                                 in Inter(upd$kb$trm,trm',kv::vars',sprout') end)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   976
                         else
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   977
                          (case rest (u::already) r of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   978
                             Init ((sprout,skel),vars) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   979
                              (case is_upd_same (sprout,skel) u k of
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   980
                                 SOME (sel,skel') =>
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 (sprout',vars') = grow u uT k kT vars (sprout,skel);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   983
                                  in Inter(upd$(sel$skel')$skel,skel,vars',sprout') end
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   984
                               | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   985
                                 let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   986
                                   val kv = (sel_name u, kT);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   987
                                   val kb = Bound (length vars);
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   988
                                 in Init ((upd$k$sprout,upd$kb$skel),kv::vars) end)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   989
                           | Inter (trm,trm',vars,sprout) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   990
                               (case is_upd_same sprout u k of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   991
                                  SOME (sel,skel) =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   992
                                  let
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   993
                                    val (sprout',vars') = grow u uT k kT vars sprout
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   994
                                  in Inter(upd$(sel$skel)$trm,trm',vars',sprout') end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
   995
                                | NONE =>
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   996
                                  let
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
   997
                                    val kv = (sel_name u, kT)
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
   998
                                    val kb = Bound (length vars)
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
   999
                                    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
  1000
                                  in Inter (upd$kb$trm,upd$kb$trm',vars',sprout') end))
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1001
                      end
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1002
                 else Init (init_seed t)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1003
               | mk_updterm _ _ t = Init (init_seed t);
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1004
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1005
         in (case mk_updterm updates [] t of
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1006
               Inter (trm,trm',vars,_)
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1007
                => SOME (prove_split_simp sg ss rT
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1008
                          (list_all(vars,(equals rT$trm$trm'))))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1009
             | _ => NONE)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1010
         end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1011
       | _ => NONE));
15059
schirmer
parents: 15058
diff changeset
  1012
end
15015
c5768e8c4da4 * record_upd_simproc also simplifies trivial updates:
schirmer
parents: 15012
diff changeset
  1013
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1014
(* record_eq_simproc *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1015
(* looks up the most specific record-equality.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1016
 * Note on efficiency:
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1017
 * Testing equality of records boils down to the test of equality of all components.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1018
 * Therefore the complexity is: #components * complexity for single component.
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1019
 * Especially if a record has a lot of components it may be better to split up
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1020
 * the record first and do simplification on that (record_split_simp_tac).
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1021
 * e.g. r(|lots of updates|) = x
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1022
 *
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1023
 *               record_eq_simproc       record_split_simp_tac
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1024
 * Complexity: #components * #updates     #updates
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1025
 *
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1026
 *)
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1027
val record_eq_simproc =
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1028
  Simplifier.simproc (Theory.sign_of HOL.thy) "record_eq_simp" ["r = s"]
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1029
    (fn sg => fn _ => fn t =>
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1030
      (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
  1031
        (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1032
           "" => NONE
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1033
         | name => (case get_equalities sg name of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1034
                                NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1035
                              | SOME thm => SOME (thm RS Eq_TrueI)))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1036
       | _ => NONE));
14079
1c22e5499eeb - record_split_tac now also works for object-level universal quantifier
berghofe
parents: 13904
diff changeset
  1037
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1038
(* record_split_simproc *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1039
(* splits quantified occurrences of records, for which P holds. P can peek on the
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1040
 * 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
  1041
 * P t = 0: do not split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1042
 * P t = ~1: completely split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1043
 * P t > 0: split up to given bound of record extensions
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1044
 *)
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1045
fun record_split_simproc P =
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1046
  Simplifier.simproc (Theory.sign_of HOL.thy) "record_split_simp" ["(a t)"]
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1047
    (fn sg => fn _ => fn t =>
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1048
      (case t of (Const (quantifier, Type (_, [Type (_, [T, _]), _])))$trm =>
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1049
         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
  1050
         then (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1051
                 "" => NONE
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1052
               | name
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1053
                  => let val split = P t
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1054
                     in if split <> 0 then
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1055
                        (case get_splits sg (rec_id split T) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1056
                              NONE => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1057
                            | SOME (all_thm, All_thm, Ex_thm,_)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1058
                               => SOME (case quantifier of
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1059
                                          "all" => all_thm
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1060
                                        | "All" => All_thm RS HOL.eq_reflection
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1061
                                        | "Ex"  => Ex_thm RS HOL.eq_reflection
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1062
                                        | _     => error "record_split_simproc"))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1063
                        else NONE
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1064
                      end)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1065
         else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1066
       | _ => NONE))
7178
50b9849cf6ad record_simproc for sel-upd (by Sebastian Nanz);
wenzelm
parents: 6851
diff changeset
  1067
14427
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1068
val record_ex_sel_eq_simproc =
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1069
  Simplifier.simproc (Theory.sign_of HOL.thy) "record_ex_sel_eq_simproc" ["Ex t"]
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1070
    (fn sg => fn ss => fn t =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1071
       let
16973
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1072
         fun prove prop =
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1073
           quick_and_dirty_prove true sg [] prop
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1074
             (fn _ => simp_tac (Simplifier.inherit_bounds ss (get_simpset sg)
b2a894562b8f simprocs: Simplifier.inherit_bounds;
wenzelm
parents: 16934
diff changeset
  1075
               addsimps simp_thms addsimprocs [record_split_simproc (K ~1)]) 1);
14959
schirmer
parents: 14854
diff changeset
  1076
schirmer
parents: 14854
diff changeset
  1077
         fun mkeq (lr,Teq,(sel,Tsel),x) i =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1078
              (case get_selectors sg sel of SOME () =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1079
                 let val x' = if not (loose_bvar1 (x,0))
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1080
                              then Free ("x" ^ string_of_int i, range_type Tsel)
14959
schirmer
parents: 14854
diff changeset
  1081
                              else raise TERM ("",[x]);
schirmer
parents: 14854
diff changeset
  1082
                     val sel' = Const (sel,Tsel)$Bound 0;
schirmer
parents: 14854
diff changeset
  1083
                     val (l,r) = if lr then (sel',x') else (x',sel');
schirmer
parents: 14854
diff changeset
  1084
                  in Const ("op =",Teq)$l$r end
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1085
               | NONE => raise TERM ("",[Const (sel,Tsel)]));
14959
schirmer
parents: 14854
diff changeset
  1086
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1087
         fun dest_sel_eq (Const ("op =",Teq)$(Const (sel,Tsel)$Bound 0)$X) =
14959
schirmer
parents: 14854
diff changeset
  1088
                           (true,Teq,(sel,Tsel),X)
schirmer
parents: 14854
diff changeset
  1089
           | dest_sel_eq (Const ("op =",Teq)$X$(Const (sel,Tsel)$Bound 0)) =
schirmer
parents: 14854
diff changeset
  1090
                           (false,Teq,(sel,Tsel),X)
schirmer
parents: 14854
diff changeset
  1091
           | dest_sel_eq _ = raise TERM ("",[]);
schirmer
parents: 14854
diff changeset
  1092
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1093
       in
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1094
         (case t of
14959
schirmer
parents: 14854
diff changeset
  1095
           (Const ("Ex",Tex)$Abs(s,T,t)) =>
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1096
             (let val eq = mkeq (dest_sel_eq t) 0;
14959
schirmer
parents: 14854
diff changeset
  1097
                 val prop = list_all ([("r",T)],
schirmer
parents: 14854
diff changeset
  1098
                              Logic.mk_equals (Const ("Ex",Tex)$Abs(s,T,eq),
schirmer
parents: 14854
diff changeset
  1099
                                               HOLogic.true_const));
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1100
             in SOME (prove prop) end
16872
a51699621d22 removed some garbage;
schirmer
parents: 16822
diff changeset
  1101
             handle TERM _ => NONE)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1102
          | _ => NONE)
14427
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1103
         end)
cea7d2f76112 added record_ex_sel_eq_simproc
schirmer
parents: 14358
diff changeset
  1104
5698
2b5d9bdec5af field types: datatype;
wenzelm
parents: 5290
diff changeset
  1105
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1106
6358
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1107
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1108
local
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1109
val inductive_atomize = thms "induct_atomize";
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1110
val inductive_rulify1 = thms "induct_rulify1";
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1111
in
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1112
(* record_split_simp_tac *)
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1113
(* splits (and simplifies) all records in the goal for which P holds.
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1114
 * For quantified occurrences of a record
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1115
 * 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
  1116
 * can only peek on the variable itself.
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1117
 * P t = 0: do not split
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1118
 * P t = ~1: completely split
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1119
 * P t > 0: split up to given bound of record extensions
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1120
 *)
15248
b436486091a6 record_split_simp_tac now can get simp rules as parameter
schirmer
parents: 15215
diff changeset
  1121
fun record_split_simp_tac thms P i st =
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1122
  let
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1123
    val sg = Thm.sign_of_thm st;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1124
    val {sel_upd={simpset,...},...}
16458
4c6fd0c01d28 accomodate change of TheoryDataFun;
wenzelm
parents: 16379
diff changeset
  1125
            = RecordsData.get sg;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1126
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1127
    val has_rec = exists_Const
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1128
      (fn (s, Type (_, [Type (_, [T, _]), _])) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1129
          (s = "all" orelse s = "All" orelse s = "Ex") andalso is_recT T
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1130
        | _ => false);
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1131
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1132
    val goal = List.nth (Thm.prems_of st, i - 1);
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1133
    val frees = List.filter (is_recT o type_of) (term_frees goal);
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1134
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1135
    fun mk_split_free_tac free induct_thm i =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1136
        let val cfree = cterm_of sg free;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1137
            val (_$(_$r)) = concl_of induct_thm;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1138
            val crec = cterm_of sg r;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1139
            val thm  = cterm_instantiate [(crec,cfree)] induct_thm;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1140
        in EVERY [simp_tac (HOL_basic_ss addsimps inductive_atomize) i,
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1141
                  rtac thm i,
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1142
                  simp_tac (HOL_basic_ss addsimps inductive_rulify1) i]
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1143
        end;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1144
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1145
    fun split_free_tac P i (free as Free (n,T)) =
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1146
        (case rec_id (~1) T of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1147
           "" => NONE
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1148
         | name => let val split = P free
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1149
                   in if split <> 0 then
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1150
                      (case get_splits sg (rec_id split T) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1151
                             NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1152
                           | SOME (_,_,_,induct_thm)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1153
                               => SOME (mk_split_free_tac free induct_thm i))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1154
                      else NONE
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1155
                   end)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1156
     | split_free_tac _ _ _ = NONE;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1157
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1158
    val split_frees_tacs = List.mapPartial (split_free_tac P i) frees;
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1159
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1160
    val simprocs = if has_rec goal then [record_split_simproc P] else [];
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1161
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1162
  in st |> ((EVERY split_frees_tacs)
17257
0ab67cb765da introduced binding priority 1 for linear combinators etc.
haftmann
parents: 17190
diff changeset
  1163
           THEN (Simplifier.full_simp_tac (simpset addsimps thms addsimprocs simprocs) i))
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1164
  end handle Empty => Seq.empty;
14255
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1165
end;
e6e3e3f0deed Records:
schirmer
parents: 14079
diff changeset
  1166
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1167
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1168
(* record_split_tac *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1169
(* 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
  1170
fun record_split_tac i st =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1171
  let
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1172
    val sg = Thm.sign_of_thm st;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1173
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1174
    val has_rec = exists_Const
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1175
      (fn (s, Type (_, [Type (_, [T, _]), _])) =>
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1176
          (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
  1177
        | _ => false);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1178
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1179
    val goal = List.nth (Thm.prems_of st, i - 1);
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1180
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1181
    fun is_all t =
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1182
      (case t of (Const (quantifier, _)$_) =>
15273
771af451a062 * extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents: 15258
diff changeset
  1183
         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
  1184
       | _ => 0);
17261
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1185
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1186
  in if has_rec goal
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1187
     then Simplifier.full_simp_tac
193b84a70ca4 curried_lookup/update;
wenzelm
parents: 17257
diff changeset
  1188
           (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
  1189
     else Seq.empty
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
  1190
  end handle Subscript => Seq.empty;
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1191
6358
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1192
(* wrapper *)
92dbe243555f outer syntax for 'record';
wenzelm
parents: 6092
diff changeset
  1193
5707
b0e631634b5a field_injects [iffs];
wenzelm
parents: 5698
diff changeset
  1194
val record_split_name = "record_split_tac";
b0e631634b5a field_injects [iffs];
wenzelm
parents: 5698
diff changeset
  1195
val record_split_wrapper = (record_split_name, fn tac => record_split_tac ORELSE' tac);
5698
2b5d9bdec5af field types: datatype;
wenzelm
parents: 5290
diff changeset
  1196
16330
934219e919e4 Sign.read_typ_abbrev;
wenzelm
parents: 16281
diff changeset
  1197
934219e919e4 Sign.read_typ_abbrev;
wenzelm
parents: 16281
diff changeset
  1198
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1199
(** theory extender interface **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1200
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1201
(* prepare arguments *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1202
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1203
fun read_raw_parent sign s =
16330
934219e919e4 Sign.read_typ_abbrev;
wenzelm
parents: 16281
diff changeset
  1204
  (case Sign.read_typ_abbrev (sign, K NONE) s handle TYPE (msg, _, _) => error msg of
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1205
    Type (name, Ts) => (Ts, name)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1206
  | _ => error ("Bad parent record specification: " ^ quote s));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1207
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1208
fun read_typ sign (env, s) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1209
  let
17377
afaa031ed4da introduced AList.lookup
haftmann
parents: 17337
diff changeset
  1210
    fun def_sort (x, ~1) = AList.lookup (op =) env x
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15273
diff changeset
  1211
      | def_sort _ = NONE;
5060
7b86df67cc1a def_sort;
wenzelm
parents: 5052
diff changeset
  1212
    val T = Type.no_tvars (Sign.read_typ (sign, def_sort) s) handle TYPE (msg, _, _) => error msg;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1213
  in (Term.add_typ_tfrees (T, env), T) end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1214
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1215
fun cert_typ sign (env, raw_T) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1216
  let val T = Type.no_tvars (Sign.certify_typ sign raw_T) handle TYPE (msg, _, _) => error msg
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1217
  in (Term.add_typ_tfrees (T, env), T) end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
  1218
14700
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1219
(* attributes *)
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1220
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1221
fun case_names_fields x = RuleCases.case_names ["fields"] x;
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1222
fun induct_type_global name = [case_names_fields, InductAttrib.induct_type_global name];
2f885b7e5ba7 reimplementation of HOL records; only one type is created for
schirmer
parents: 14643
diff changeset
  1223
fun cases_type_global name = [case_names_fields, InductAttrib.cases_type_global name];