author | haftmann |
Wed, 11 Apr 2007 08:28:15 +0200 | |
changeset 22634 | 399e4b4835da |
parent 22596 | d0d2af4db18f |
child 22675 | acf10be7dcca |
permissions | -rw-r--r-- |
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(* Title: HOL/Tools/record_package.ML |
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ID: $Id$ |
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Author: Wolfgang Naraschewski, Norbert Schirmer and Markus Wenzel, TU Muenchen |
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Extensible records with structural subtyping in HOL. |
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*) |
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signature BASIC_RECORD_PACKAGE = |
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sig |
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val record_simproc: simproc |
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val record_eq_simproc: simproc |
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val record_upd_simproc: simproc |
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val record_split_simproc: (term -> int) -> simproc |
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val record_ex_sel_eq_simproc: simproc |
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val record_split_tac: int -> tactic |
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val record_split_simp_tac: thm list -> (term -> int) -> int -> tactic |
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val record_split_name: string |
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val record_split_wrapper: string * wrapper |
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val print_record_type_abbr: bool ref |
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val print_record_type_as_fields: bool ref |
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end; |
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signature RECORD_PACKAGE = |
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sig |
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include BASIC_RECORD_PACKAGE |
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val quiet_mode: bool ref |
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val record_quick_and_dirty_sensitive: bool ref |
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val updateN: string |
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val updN: string |
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val ext_typeN: string |
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val extN: string |
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val makeN: string |
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val moreN: string |
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val ext_dest: string |
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val KN:string |
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val last_extT: typ -> (string * typ list) option |
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val dest_recTs : typ -> (string * typ list) list |
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val get_extT_fields: theory -> typ -> ((string * typ) list * (string * typ)) |
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val get_recT_fields: theory -> typ -> ((string * typ) list * (string * typ)) |
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val get_extension: theory -> Symtab.key -> (string * typ list) option |
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val get_extinjects: theory -> thm list |
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val get_simpset: theory -> simpset |
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val print_records: theory -> unit |
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val add_record: string list * string -> string option -> (string * string * mixfix) list |
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-> theory -> theory |
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val add_record_i: string list * string -> (typ list * string) option |
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-> (string * typ * mixfix) list -> theory -> theory |
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val setup: theory -> theory |
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end; |
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structure RecordPackage: RECORD_PACKAGE = |
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struct |
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val eq_reflection = thm "eq_reflection"; |
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val rec_UNIV_I = thm "rec_UNIV_I"; |
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val rec_True_simp = thm "rec_True_simp"; |
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val Pair_eq = thm "Product_Type.Pair_eq"; |
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val atomize_all = thm "HOL.atomize_all"; |
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val atomize_imp = thm "HOL.atomize_imp"; |
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val meta_allE = thm "Pure.meta_allE"; |
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val prop_subst = thm "prop_subst"; |
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val Pair_sel_convs = [fst_conv,snd_conv]; |
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val K_record_apply = thm "Record.K_record_apply"; |
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val K_comp_convs = [o_apply,K_record_apply] |
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(** name components **) |
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val rN = "r"; |
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val wN = "w"; |
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val moreN = "more"; |
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val schemeN = "_scheme"; |
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val ext_typeN = "_ext_type"; |
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val extN ="_ext"; |
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val casesN = "_cases"; |
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val ext_dest = "_sel"; |
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val updateN = "_update"; |
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val updN = "_upd"; |
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val makeN = "make"; |
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val fields_selN = "fields"; |
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val extendN = "extend"; |
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val truncateN = "truncate"; |
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val KN = "Record.K_record"; |
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(*see typedef_package.ML*) |
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val RepN = "Rep_"; |
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val AbsN = "Abs_"; |
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(*** utilities ***) |
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fun but_last xs = fst (split_last xs); |
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fun varifyT midx = |
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let fun varify (a, S) = TVar ((a, midx + 1), S); |
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in map_type_tfree varify end; |
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fun the_plist (SOME (a,b)) = [a,b] |
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| the_plist NONE = raise Option; |
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fun domain_type' T = |
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domain_type T handle Match => T; |
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fun range_type' T = |
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range_type T handle Match => T; |
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(* messages *) |
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val quiet_mode = ref false; |
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fun message s = if ! quiet_mode then () else writeln s; |
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fun trace_thm str thm = |
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tracing (str ^ (Pretty.string_of (Display.pretty_thm thm))); |
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fun trace_thms str thms = |
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(tracing str; map (trace_thm "") thms); |
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fun trace_term str t = |
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tracing (str ^ (Display.raw_string_of_term t)); |
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(* timing *) |
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fun timeit_msg s x = if !timing then (warning s; timeit x) else x (); |
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fun timing_msg s = if !timing then warning s else (); |
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(* syntax *) |
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fun prune n xs = Library.drop (n, xs); |
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fun prefix_base s = NameSpace.map_base (fn bname => s ^ bname); |
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val Trueprop = HOLogic.mk_Trueprop; |
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fun All xs t = Term.list_all_free (xs, t); |
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infix 9 $$; |
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infix 0 :== ===; |
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infixr 0 ==>; |
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val (op $$) = Term.list_comb; |
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val (op :==) = Logic.mk_defpair; |
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val (op ===) = Trueprop o HOLogic.mk_eq; |
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val (op ==>) = Logic.mk_implies; |
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(* morphisms *) |
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fun mk_RepN name = suffix ext_typeN (prefix_base RepN name); |
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fun mk_AbsN name = suffix ext_typeN (prefix_base AbsN name); |
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fun mk_Rep name repT absT = |
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Const (suffix ext_typeN (prefix_base RepN name),absT --> repT); |
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fun mk_Abs name repT absT = |
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Const (mk_AbsN name,repT --> absT); |
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(* constructor *) |
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fun mk_extC (name,T) Ts = (suffix extN name, Ts ---> T); |
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fun mk_ext (name,T) ts = |
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let val Ts = map fastype_of ts |
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in list_comb (Const (mk_extC (name,T) Ts),ts) end; |
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(* cases *) |
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fun mk_casesC (name,T,vT) Ts = (suffix casesN name, (Ts ---> vT) --> T --> vT) |
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fun mk_cases (name,T,vT) f = |
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let val Ts = binder_types (fastype_of f) |
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in Const (mk_casesC (name,T,vT) Ts) $ f end; |
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(* selector *) |
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fun mk_selC sT (c,T) = (c,sT --> T); |
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fun mk_sel s (c,T) = |
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let val sT = fastype_of s |
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in Const (mk_selC sT (c,T)) $ s end; |
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(* updates *) |
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180 |
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fun mk_updC sfx sT (c,T) = (suffix sfx c, (T --> T) --> sT --> sT); |
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fun mk_upd' sfx c v sT = |
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let val vT = domain_type (fastype_of v); |
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in Const (mk_updC sfx sT (c, vT)) $ v end; |
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186 |
|
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fun mk_upd sfx c v s = mk_upd' sfx c v (fastype_of s) $ s |
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188 |
|
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(* types *) |
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190 |
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191 |
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 |
15531 | 193 |
NONE => raise TYPE ("RecordPackage.dest_recT", [typ], []) |
15570 | 194 |
| SOME c => ((c, Ts), List.last Ts)) |
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| dest_recT typ = raise TYPE ("RecordPackage.dest_recT", [typ], []); |
5197 | 196 |
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fun is_recT T = |
17261 | 198 |
(case try dest_recT T of NONE => false | SOME _ => true); |
11833 | 199 |
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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 |
15531 | 208 |
NONE => SOME (c,Ts) |
209 |
| SOME l => SOME l) |
|
210 |
end handle TYPE _ => NONE |
|
14255 | 211 |
|
17261 | 212 |
fun rec_id i T = |
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let val rTs = dest_recTs T |
15570 | 214 |
val rTs' = if i < 0 then rTs else Library.take (i,rTs) |
215 |
in Library.foldl (fn (s,(c,T)) => s ^ c) ("",rTs') end; |
|
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216 |
|
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(*** extend theory by record definition ***) |
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218 |
|
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(** record info **) |
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|
14255 | 221 |
(* type record_info and parent_info *) |
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222 |
|
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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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229 |
}; |
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230 |
|
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231 |
fun make_record_info args parent fields extension induct = |
17261 | 232 |
{args = args, parent = parent, fields = fields, extension = extension, |
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induct = induct}: record_info; |
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234 |
|
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235 |
|
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236 |
type parent_info = |
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{name: string, |
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fields: (string * typ) list, |
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239 |
extension: (string * typ list), |
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induct: thm |
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241 |
}; |
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242 |
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243 |
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' *) |
5001 | 247 |
|
7178 | 248 |
type record_data = |
249 |
{records: record_info Symtab.table, |
|
250 |
sel_upd: |
|
251 |
{selectors: unit Symtab.table, |
|
252 |
updates: string Symtab.table, |
|
253 |
simpset: Simplifier.simpset}, |
|
14255 | 254 |
equalities: thm Symtab.table, |
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extinjects: thm list, |
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256 |
extsplit: thm Symtab.table, (* maps extension name to split rule *) |
17261 | 257 |
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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259 |
fieldext: (string*typ list) Symtab.table (* maps field to its extension *) |
14255 | 260 |
}; |
7178 | 261 |
|
17261 | 262 |
fun make_record_data |
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263 |
records sel_upd equalities extinjects extsplit splits extfields fieldext = |
17261 | 264 |
{records = records, sel_upd = sel_upd, |
265 |
equalities = equalities, extinjects=extinjects, extsplit = extsplit, splits = splits, |
|
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extfields = extfields, fieldext = fieldext }: record_data; |
7178 | 267 |
|
16458 | 268 |
structure RecordsData = TheoryDataFun |
269 |
(struct |
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val name = "HOL/record"; |
7178 | 271 |
type T = record_data; |
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272 |
|
7178 | 273 |
val empty = |
274 |
make_record_data Symtab.empty |
|
275 |
{selectors = Symtab.empty, updates = Symtab.empty, simpset = HOL_basic_ss} |
|
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276 |
Symtab.empty [] Symtab.empty Symtab.empty Symtab.empty Symtab.empty; |
7178 | 277 |
|
6556 | 278 |
val copy = I; |
16458 | 279 |
val extend = I; |
280 |
fun merge _ |
|
7178 | 281 |
({records = recs1, |
282 |
sel_upd = {selectors = sels1, updates = upds1, simpset = ss1}, |
|
14255 | 283 |
equalities = equalities1, |
17261 | 284 |
extinjects = extinjects1, |
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285 |
extsplit = extsplit1, |
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286 |
splits = splits1, |
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287 |
extfields = extfields1, |
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288 |
fieldext = fieldext1}, |
7178 | 289 |
{records = recs2, |
290 |
sel_upd = {selectors = sels2, updates = upds2, simpset = ss2}, |
|
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291 |
equalities = equalities2, |
17261 | 292 |
extinjects = extinjects2, |
293 |
extsplit = extsplit2, |
|
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294 |
splits = splits2, |
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295 |
extfields = extfields2, |
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296 |
fieldext = fieldext2}) = |
17261 | 297 |
make_record_data |
7178 | 298 |
(Symtab.merge (K true) (recs1, recs2)) |
299 |
{selectors = Symtab.merge (K true) (sels1, sels2), |
|
300 |
updates = Symtab.merge (K true) (upds1, upds2), |
|
301 |
simpset = Simplifier.merge_ss (ss1, ss2)} |
|
22634 | 302 |
(Symtab.merge Thm.eq_thm_prop (equalities1, equalities2)) |
303 |
(Library.merge Thm.eq_thm_prop (extinjects1, extinjects2)) |
|
304 |
(Symtab.merge Thm.eq_thm_prop (extsplit1,extsplit2)) |
|
17261 | 305 |
(Symtab.merge (fn ((a,b,c,d),(w,x,y,z)) |
306 |
=> Thm.eq_thm (a,w) andalso Thm.eq_thm (b,x) andalso |
|
307 |
Thm.eq_thm (c,y) andalso Thm.eq_thm (d,z)) |
|
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308 |
(splits1, splits2)) |
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309 |
(Symtab.merge (K true) (extfields1,extfields2)) |
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310 |
(Symtab.merge (K true) (fieldext1,fieldext2)); |
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311 |
|
18858 | 312 |
fun print thy ({records = recs, ...}: record_data) = |
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313 |
let |
18858 | 314 |
val prt_typ = Sign.pretty_typ thy; |
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315 |
|
15531 | 316 |
fun pretty_parent NONE = [] |
317 |
| pretty_parent (SOME (Ts, name)) = |
|
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318 |
[Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]]; |
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|
319 |
|
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|
320 |
fun pretty_field (c, T) = Pretty.block |
18858 | 321 |
[Pretty.str (Sign.extern_const thy c), Pretty.str " ::", |
12129 | 322 |
Pretty.brk 1, Pretty.quote (prt_typ T)]; |
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|
323 |
|
12247 | 324 |
fun pretty_record (name, {args, parent, fields, ...}: record_info) = |
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325 |
Pretty.block (Pretty.fbreaks (Pretty.block |
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326 |
[prt_typ (Type (name, map TFree args)), Pretty.str " = "] :: |
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|
327 |
pretty_parent parent @ map pretty_field fields)); |
12129 | 328 |
in map pretty_record (Symtab.dest recs) |> Pretty.chunks |> Pretty.writeln end; |
16458 | 329 |
end); |
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|
330 |
|
5006 | 331 |
val print_records = RecordsData.print; |
332 |
||
16458 | 333 |
|
7178 | 334 |
(* access 'records' *) |
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|
335 |
|
17412 | 336 |
val get_record = Symtab.lookup o #records o RecordsData.get; |
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|
337 |
|
4890 | 338 |
fun put_record name info thy = |
7178 | 339 |
let |
17261 | 340 |
val {records, sel_upd, equalities, extinjects,extsplit,splits,extfields,fieldext} = |
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|
341 |
RecordsData.get thy; |
17412 | 342 |
val data = make_record_data (Symtab.update (name, info) records) |
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|
343 |
sel_upd equalities extinjects extsplit splits extfields fieldext; |
7178 | 344 |
in RecordsData.put data thy end; |
345 |
||
346 |
(* access 'sel_upd' *) |
|
347 |
||
16458 | 348 |
val get_sel_upd = #sel_upd o RecordsData.get; |
7178 | 349 |
|
17510 | 350 |
val is_selector = Symtab.defined o #selectors o get_sel_upd; |
17412 | 351 |
val get_updates = Symtab.lookup o #updates o get_sel_upd; |
17892 | 352 |
fun get_simpset thy = Simplifier.theory_context thy (#simpset (get_sel_upd thy)); |
7178 | 353 |
|
354 |
fun put_sel_upd names simps thy = |
|
355 |
let |
|
356 |
val sels = map (rpair ()) names; |
|
357 |
val upds = map (suffix updateN) names ~~ names; |
|
358 |
||
17261 | 359 |
val {records, sel_upd = {selectors, updates, simpset}, |
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15012
diff
changeset
|
360 |
equalities, extinjects, extsplit, splits, extfields,fieldext} = RecordsData.get thy; |
7178 | 361 |
val data = make_record_data records |
362 |
{selectors = Symtab.extend (selectors, sels), |
|
363 |
updates = Symtab.extend (updates, upds), |
|
364 |
simpset = Simplifier.addsimps (simpset, simps)} |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
365 |
equalities extinjects extsplit splits extfields fieldext; |
7178 | 366 |
in RecordsData.put data thy end; |
367 |
||
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
368 |
(* access 'equalities' *) |
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
369 |
|
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
370 |
fun add_record_equalities name thm thy = |
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
371 |
let |
17261 | 372 |
val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
373 |
RecordsData.get thy; |
17261 | 374 |
val data = make_record_data records sel_upd |
17412 | 375 |
(Symtab.update_new (name, thm) equalities) extinjects extsplit |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
376 |
splits extfields fieldext; |
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
377 |
in RecordsData.put data thy end; |
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
378 |
|
17412 | 379 |
val get_equalities =Symtab.lookup o #equalities o RecordsData.get; |
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
380 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
381 |
(* access 'extinjects' *) |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
382 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
383 |
fun add_extinjects thm thy = |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
384 |
let |
17261 | 385 |
val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
386 |
RecordsData.get thy; |
22634 | 387 |
val data = make_record_data records sel_upd equalities (insert Thm.eq_thm_prop thm extinjects) extsplit |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
388 |
splits extfields fieldext; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
389 |
in RecordsData.put data thy end; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
390 |
|
22634 | 391 |
val get_extinjects = rev o #extinjects o RecordsData.get; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
392 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
393 |
(* access 'extsplit' *) |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
394 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
395 |
fun add_extsplit name thm thy = |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
396 |
let |
17261 | 397 |
val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
398 |
RecordsData.get thy; |
17261 | 399 |
val data = make_record_data records sel_upd |
17412 | 400 |
equalities extinjects (Symtab.update_new (name, thm) extsplit) splits |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
401 |
extfields fieldext; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
402 |
in RecordsData.put data thy end; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
403 |
|
17412 | 404 |
val get_extsplit = Symtab.lookup o #extsplit o RecordsData.get; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
405 |
|
14255 | 406 |
(* access 'splits' *) |
407 |
||
408 |
fun add_record_splits name thmP thy = |
|
409 |
let |
|
17261 | 410 |
val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields,fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
411 |
RecordsData.get thy; |
17261 | 412 |
val data = make_record_data records sel_upd |
17412 | 413 |
equalities extinjects extsplit (Symtab.update_new (name, thmP) splits) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
414 |
extfields fieldext; |
14255 | 415 |
in RecordsData.put data thy end; |
416 |
||
17412 | 417 |
val get_splits = Symtab.lookup o #splits o RecordsData.get; |
14255 | 418 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
419 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
420 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
421 |
(* extension of a record name *) |
17261 | 422 |
val get_extension = |
17412 | 423 |
Option.map #extension oo (Symtab.lookup o #records o RecordsData.get); |
17261 | 424 |
|
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
425 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
426 |
(* access 'extfields' *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
427 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
428 |
fun add_extfields name fields thy = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
429 |
let |
17261 | 430 |
val {records, sel_upd, equalities, extinjects, extsplit,splits, extfields, fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
431 |
RecordsData.get thy; |
17261 | 432 |
val data = make_record_data records sel_upd |
433 |
equalities extinjects extsplit splits |
|
17412 | 434 |
(Symtab.update_new (name, fields) extfields) fieldext; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
435 |
in RecordsData.put data thy end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
436 |
|
17412 | 437 |
val get_extfields = Symtab.lookup o #extfields o RecordsData.get; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
438 |
|
18858 | 439 |
fun get_extT_fields thy T = |
15059 | 440 |
let |
441 |
val ((name,Ts),moreT) = dest_recT T; |
|
21858
05f57309170c
avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents:
21772
diff
changeset
|
442 |
val recname = let val (nm::recn::rst) = rev (NameSpace.explode name) |
05f57309170c
avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
wenzelm
parents:
21772
diff
changeset
|
443 |
in NameSpace.implode (rev (nm::rst)) end; |
15059 | 444 |
val midx = maxidx_of_typs (moreT::Ts); |
19748 | 445 |
val varifyT = varifyT midx; |
18858 | 446 |
val {records,extfields,...} = RecordsData.get thy; |
18931 | 447 |
val (flds,(more,_)) = split_last (Symtab.lookup_list extfields name); |
17412 | 448 |
val args = map varifyT (snd (#extension (the (Symtab.lookup records recname)))); |
15058 | 449 |
|
19748 | 450 |
val subst = fold (Sign.typ_match thy) (but_last args ~~ but_last Ts) (Vartab.empty); |
15059 | 451 |
val flds' = map (apsnd ((Envir.norm_type subst) o varifyT)) flds; |
452 |
in (flds',(more,moreT)) end; |
|
15058 | 453 |
|
18858 | 454 |
fun get_recT_fields thy T = |
17261 | 455 |
let |
18858 | 456 |
val (root_flds,(root_more,root_moreT)) = get_extT_fields thy T; |
17261 | 457 |
val (rest_flds,rest_more) = |
18858 | 458 |
if is_recT root_moreT then get_recT_fields thy root_moreT |
15059 | 459 |
else ([],(root_more,root_moreT)); |
460 |
in (root_flds@rest_flds,rest_more) end; |
|
461 |
||
15058 | 462 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
463 |
(* access 'fieldext' *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
464 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
465 |
fun add_fieldext extname_types fields thy = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
466 |
let |
17261 | 467 |
val {records, sel_upd, equalities, extinjects, extsplit, splits, extfields, fieldext} = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
468 |
RecordsData.get thy; |
17261 | 469 |
val fieldext' = |
17412 | 470 |
fold (fn field => Symtab.update_new (field, extname_types)) fields fieldext; |
17261 | 471 |
val data=make_record_data records sel_upd equalities extinjects extsplit |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
472 |
splits extfields fieldext'; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
473 |
in RecordsData.put data thy end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
474 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
475 |
|
17412 | 476 |
val get_fieldext = Symtab.lookup o #fieldext o RecordsData.get; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
477 |
|
21962 | 478 |
|
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
479 |
(* parent records *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
480 |
|
15531 | 481 |
fun add_parents thy NONE parents = parents |
482 |
| add_parents thy (SOME (types, name)) parents = |
|
12247 | 483 |
let |
484 |
fun err msg = error (msg ^ " parent record " ^ quote name); |
|
12255 | 485 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
486 |
val {args, parent, fields, extension, induct} = |
15531 | 487 |
(case get_record thy name of SOME info => info | NONE => err "Unknown"); |
12247 | 488 |
val _ = if length types <> length args then err "Bad number of arguments for" else (); |
12255 | 489 |
|
12247 | 490 |
fun bad_inst ((x, S), T) = |
22578 | 491 |
if Sign.of_sort thy (T, S) then NONE else SOME x |
15570 | 492 |
val bads = List.mapPartial bad_inst (args ~~ types); |
21962 | 493 |
val _ = null bads orelse err ("Ill-sorted instantiation of " ^ commas bads ^ " in"); |
12255 | 494 |
|
12247 | 495 |
val inst = map fst args ~~ types; |
17377 | 496 |
val subst = Term.map_type_tfree (the o AList.lookup (op =) inst o fst); |
15570 | 497 |
val parent' = Option.map (apfst (map subst)) parent; |
12247 | 498 |
val fields' = map (apsnd subst) fields; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
499 |
val extension' = apsnd (map subst) extension; |
12247 | 500 |
in |
12255 | 501 |
add_parents thy parent' |
21962 | 502 |
(make_parent_info name fields' extension' induct :: parents) |
12247 | 503 |
end; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
504 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
505 |
|
21962 | 506 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
507 |
(** concrete syntax for records **) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
508 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
509 |
(* parse translations *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
510 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
511 |
fun gen_field_tr mark sfx (t as Const (c, _) $ Const (name, _) $ arg) = |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
512 |
if c = mark then Syntax.const (suffix sfx name) $ (Syntax.const KN $ arg) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
513 |
else raise TERM ("gen_field_tr: " ^ mark, [t]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
514 |
| gen_field_tr mark _ t = raise TERM ("gen_field_tr: " ^ mark, [t]); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
515 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
516 |
fun gen_fields_tr sep mark sfx (tm as Const (c, _) $ t $ u) = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
517 |
if c = sep then gen_field_tr mark sfx t :: gen_fields_tr sep mark sfx u |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
518 |
else [gen_field_tr mark sfx tm] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
519 |
| gen_fields_tr _ mark sfx tm = [gen_field_tr mark sfx tm]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
520 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
521 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
522 |
fun record_update_tr [t, u] = |
21078 | 523 |
Library.foldr (op $) (rev (gen_fields_tr "_updates" "_update" updateN u), t) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
524 |
| record_update_tr ts = raise TERM ("record_update_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
525 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
526 |
fun update_name_tr (Free (x, T) :: ts) = Free (suffix updateN x, T) $$ ts |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
527 |
| update_name_tr (Const (x, T) :: ts) = Const (suffix updateN x, T) $$ ts |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
528 |
| update_name_tr (((c as Const ("_constrain", _)) $ t $ ty) :: ts) = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
529 |
(c $ update_name_tr [t] $ (Syntax.const "fun" $ ty $ Syntax.const "dummy")) $$ ts |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
530 |
| update_name_tr ts = raise TERM ("update_name_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
531 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
532 |
fun dest_ext_field mark (t as (Const (c,_) $ Const (name,_) $ arg)) = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
533 |
if c = mark then (name,arg) else raise TERM ("dest_ext_field: " ^ mark, [t]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
534 |
| dest_ext_field _ t = raise TERM ("dest_ext_field", [t]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
535 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
536 |
fun dest_ext_fields sep mark (trm as (Const (c,_) $ t $ u)) = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
537 |
if c = sep then dest_ext_field mark t::dest_ext_fields sep mark u |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
538 |
else [dest_ext_field mark trm] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
539 |
| dest_ext_fields _ mark t = [dest_ext_field mark t] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
540 |
|
21772 | 541 |
fun gen_ext_fields_tr sep mark sfx more ctxt t = |
17261 | 542 |
let |
21772 | 543 |
val thy = ProofContext.theory_of ctxt; |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
544 |
val msg = "error in record input: "; |
17261 | 545 |
val fieldargs = dest_ext_fields sep mark t; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
546 |
fun splitargs (field::fields) ((name,arg)::fargs) = |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
547 |
if can (unsuffix name) field |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
548 |
then let val (args,rest) = splitargs fields fargs |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
549 |
in (arg::args,rest) end |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
550 |
else raise TERM (msg ^ "expecting field " ^ field ^ " but got " ^ name, [t]) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
551 |
| splitargs [] (fargs as (_::_)) = ([],fargs) |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
552 |
| splitargs (_::_) [] = raise TERM (msg ^ "expecting more fields", [t]) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
553 |
| splitargs _ _ = ([],[]); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
554 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
555 |
fun mk_ext (fargs as (name,arg)::_) = |
18858 | 556 |
(case get_fieldext thy (Sign.intern_const thy name) of |
557 |
SOME (ext,_) => (case get_extfields thy ext of |
|
17261 | 558 |
SOME flds |
559 |
=> let val (args,rest) = |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
560 |
splitargs (map fst (but_last flds)) fargs; |
17261 | 561 |
val more' = mk_ext rest; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
562 |
in list_comb (Syntax.const (suffix sfx ext),args@[more']) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
563 |
end |
15531 | 564 |
| NONE => raise TERM(msg ^ "no fields defined for " |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
565 |
^ ext,[t])) |
15531 | 566 |
| NONE => raise TERM (msg ^ name ^" is no proper field",[t])) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
567 |
| mk_ext [] = more |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
568 |
|
17261 | 569 |
in mk_ext fieldargs end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
570 |
|
21772 | 571 |
fun gen_ext_type_tr sep mark sfx more ctxt t = |
17261 | 572 |
let |
21772 | 573 |
val thy = ProofContext.theory_of ctxt; |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
574 |
val msg = "error in record-type input: "; |
17261 | 575 |
val fieldargs = dest_ext_fields sep mark t; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
576 |
fun splitargs (field::fields) ((name,arg)::fargs) = |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
577 |
if can (unsuffix name) field |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
578 |
then let val (args,rest) = splitargs fields fargs |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
579 |
in (arg::args,rest) end |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
580 |
else raise TERM (msg ^ "expecting field " ^ field ^ " but got " ^ name, [t]) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
581 |
| splitargs [] (fargs as (_::_)) = ([],fargs) |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
582 |
| splitargs (_::_) [] = raise TERM (msg ^ "expecting more fields", [t]) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
583 |
| splitargs _ _ = ([],[]); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
584 |
|
18858 | 585 |
fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy); |
17261 | 586 |
|
18858 | 587 |
fun to_type t = Sign.certify_typ thy |
588 |
(Sign.intern_typ thy |
|
15957 | 589 |
(Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t)); |
16934 | 590 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
591 |
fun mk_ext (fargs as (name,arg)::_) = |
18858 | 592 |
(case get_fieldext thy (Sign.intern_const thy name) of |
17261 | 593 |
SOME (ext,alphas) => |
18858 | 594 |
(case get_extfields thy ext of |
17261 | 595 |
SOME flds |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
596 |
=> (let |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
597 |
val flds' = but_last flds; |
17261 | 598 |
val types = map snd flds'; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
599 |
val (args,rest) = splitargs (map fst flds') fargs; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
600 |
val argtypes = map to_type args; |
19748 | 601 |
val midx = fold (fn T => fn i => Int.max (maxidx_of_typ T, i)) |
602 |
argtypes 0; |
|
603 |
val varifyT = varifyT midx; |
|
604 |
val vartypes = map varifyT types; |
|
605 |
||
606 |
val subst = fold (Sign.typ_match thy) (vartypes ~~ argtypes) |
|
607 |
Vartab.empty; |
|
17261 | 608 |
val alphas' = map ((Syntax.term_of_typ (! Syntax.show_sorts)) o |
19748 | 609 |
Envir.norm_type subst o varifyT) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
610 |
(but_last alphas); |
17261 | 611 |
|
612 |
val more' = mk_ext rest; |
|
613 |
in list_comb (Syntax.const (suffix sfx ext),alphas'@[more']) |
|
19750 | 614 |
end handle TYPE_MATCH => raise |
14709
d01983034ded
tuned HOL/record package; enabled record_upd_simproc by default.
schirmer
parents:
14702
diff
changeset
|
615 |
TERM (msg ^ "type is no proper record (extension)", [t])) |
15531 | 616 |
| NONE => raise TERM (msg ^ "no fields defined for " ^ ext,[t])) |
617 |
| NONE => raise TERM (msg ^ name ^" is no proper field",[t])) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
618 |
| mk_ext [] = more |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
619 |
|
17261 | 620 |
in mk_ext fieldargs end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
621 |
|
21772 | 622 |
fun gen_adv_record_tr sep mark sfx unit ctxt [t] = |
623 |
gen_ext_fields_tr sep mark sfx unit ctxt t |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
624 |
| gen_adv_record_tr _ _ _ _ _ ts = raise TERM ("gen_record_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
625 |
|
21772 | 626 |
fun gen_adv_record_scheme_tr sep mark sfx ctxt [t, more] = |
627 |
gen_ext_fields_tr sep mark sfx more ctxt t |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
628 |
| gen_adv_record_scheme_tr _ _ _ _ ts = raise TERM ("gen_record_scheme_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
629 |
|
21772 | 630 |
fun gen_adv_record_type_tr sep mark sfx unit ctxt [t] = |
631 |
gen_ext_type_tr sep mark sfx unit ctxt t |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
632 |
| gen_adv_record_type_tr _ _ _ _ _ ts = raise TERM ("gen_record_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
633 |
|
21772 | 634 |
fun gen_adv_record_type_scheme_tr sep mark sfx ctxt [t, more] = |
635 |
gen_ext_type_tr sep mark sfx more ctxt t |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
636 |
| gen_adv_record_type_scheme_tr _ _ _ _ ts = raise TERM ("gen_record_scheme_tr", ts); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
637 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
638 |
val adv_record_tr = gen_adv_record_tr "_fields" "_field" extN HOLogic.unit; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
639 |
val adv_record_scheme_tr = gen_adv_record_scheme_tr "_fields" "_field" extN; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
640 |
|
17261 | 641 |
val adv_record_type_tr = |
642 |
gen_adv_record_type_tr "_field_types" "_field_type" ext_typeN |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
643 |
(Syntax.term_of_typ false (HOLogic.unitT)); |
17261 | 644 |
val adv_record_type_scheme_tr = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
645 |
gen_adv_record_type_scheme_tr "_field_types" "_field_type" ext_typeN; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
646 |
|
15215 | 647 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
648 |
val parse_translation = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
649 |
[("_record_update", record_update_tr), |
17261 | 650 |
("_update_name", update_name_tr)]; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
651 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
652 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
653 |
val adv_parse_translation = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
654 |
[("_record",adv_record_tr), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
655 |
("_record_scheme",adv_record_scheme_tr), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
656 |
("_record_type",adv_record_type_tr), |
17261 | 657 |
("_record_type_scheme",adv_record_type_scheme_tr)]; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
658 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
659 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
660 |
(* print translations *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
661 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
662 |
val print_record_type_abbr = ref true; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
663 |
val print_record_type_as_fields = ref true; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
664 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
665 |
fun gen_field_upds_tr' mark sfx (tm as Const (name_field, _) $ (Const ("K_record",_)$t) $ u) = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
666 |
(case try (unsuffix sfx) name_field of |
15531 | 667 |
SOME name => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
668 |
apfst (cons (Syntax.const mark $ Syntax.free name $ t)) (gen_field_upds_tr' mark sfx u) |
15531 | 669 |
| NONE => ([], tm)) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
670 |
| gen_field_upds_tr' _ _ tm = ([], tm); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
671 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
672 |
fun record_update_tr' tm = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
673 |
let val (ts, u) = gen_field_upds_tr' "_update" updateN tm in |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
674 |
if null ts then raise Match |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
675 |
else Syntax.const "_record_update" $ u $ |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
676 |
foldr1 (fn (v, w) => Syntax.const "_updates" $ v $ w) (rev ts) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
677 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
678 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
679 |
fun gen_field_tr' sfx tr' name = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
680 |
let val name_sfx = suffix sfx name |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
681 |
in (name_sfx, fn [t, u] => tr' (Syntax.const name_sfx $ t $ u) | _ => raise Match) end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
682 |
|
21772 | 683 |
fun record_tr' sep mark record record_scheme unit ctxt t = |
17261 | 684 |
let |
21772 | 685 |
val thy = ProofContext.theory_of ctxt; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
686 |
fun field_lst t = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
687 |
(case strip_comb t of |
17600 | 688 |
(Const (ext,_),args as (_::_)) |
18858 | 689 |
=> (case try (unsuffix extN) (Sign.intern_const thy ext) of |
17261 | 690 |
SOME ext' |
18858 | 691 |
=> (case get_extfields thy ext' of |
17261 | 692 |
SOME flds |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
693 |
=> (let |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
694 |
val (f::fs) = but_last (map fst flds); |
18858 | 695 |
val flds' = Sign.extern_const thy f :: map NameSpace.base fs; |
17261 | 696 |
val (args',more) = split_last args; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
697 |
in (flds'~~args')@field_lst more end |
19841 | 698 |
handle Library.UnequalLengths => [("",t)]) |
15531 | 699 |
| NONE => [("",t)]) |
700 |
| NONE => [("",t)]) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
701 |
| _ => [("",t)]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
702 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
703 |
val (flds,(_,more)) = split_last (field_lst t); |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
704 |
val _ = if null flds then raise Match else (); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
705 |
val flds' = map (fn (n,t)=>Syntax.const mark$Syntax.const n$t) flds; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
706 |
val flds'' = foldr1 (fn (x,y) => Syntax.const sep$x$y) flds'; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
707 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
708 |
in if unit more |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
709 |
then Syntax.const record$flds'' |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
710 |
else Syntax.const record_scheme$flds''$more |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
711 |
end |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
712 |
|
17261 | 713 |
fun gen_record_tr' name = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
714 |
let val name_sfx = suffix extN name; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
715 |
val unit = (fn Const ("Unity",_) => true | _ => false); |
21772 | 716 |
fun tr' ctxt ts = record_tr' "_fields" "_field" "_record" "_record_scheme" unit ctxt |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
717 |
(list_comb (Syntax.const name_sfx,ts)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
718 |
in (name_sfx,tr') |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
719 |
end |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
720 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
721 |
fun print_translation names = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
722 |
map (gen_field_tr' updateN record_update_tr') names; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
723 |
|
19748 | 724 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
725 |
(* record_type_abbr_tr' tries to reconstruct the record name type abbreviation from *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
726 |
(* the (nested) extension types. *) |
21772 | 727 |
fun record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT ctxt tm = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
728 |
let |
21772 | 729 |
val thy = ProofContext.theory_of ctxt; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
730 |
(* tm is term representation of a (nested) field type. We first reconstruct the *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
731 |
(* type from tm so that we can continue on the type level rather then the term level.*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
732 |
|
18858 | 733 |
fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
734 |
|
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
735 |
(* WORKAROUND: |
17261 | 736 |
* If a record type occurs in an error message of type inference there |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
737 |
* may be some internal frees donoted by ??: |
17261 | 738 |
* (Const "_tfree",_)$Free ("??'a",_). |
739 |
||
740 |
* This will unfortunately be translated to Type ("??'a",[]) instead of |
|
741 |
* TFree ("??'a",_) by typ_of_term, which will confuse unify below. |
|
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
742 |
* fixT works around. |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
743 |
*) |
17261 | 744 |
fun fixT (T as Type (x,[])) = |
18858 | 745 |
if String.isPrefix "??'" x then TFree (x,Sign.defaultS thy) else T |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
746 |
| fixT (Type (x,xs)) = Type (x,map fixT xs) |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
747 |
| fixT T = T; |
17261 | 748 |
|
18858 | 749 |
val T = fixT (Sign.intern_typ thy |
17261 | 750 |
(Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts tm)) I tm)); |
19748 | 751 |
val midx = maxidx_of_typ T; |
752 |
val varifyT = varifyT midx; |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
753 |
|
17261 | 754 |
fun mk_type_abbr subst name alphas = |
19748 | 755 |
let val abbrT = Type (name, map (fn a => varifyT (TFree (a, Sign.defaultS thy))) alphas); |
17261 | 756 |
in Syntax.term_of_typ (! Syntax.show_sorts) |
18858 | 757 |
(Sign.extern_typ thy (Envir.norm_type subst abbrT)) end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
758 |
|
19748 | 759 |
fun match rT T = (Sign.typ_match thy (varifyT rT,T) |
760 |
Vartab.empty); |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
761 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
762 |
in if !print_record_type_abbr |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
763 |
then (case last_extT T of |
17261 | 764 |
SOME (name,_) |
765 |
=> if name = lastExt |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
766 |
then |
17261 | 767 |
(let |
19748 | 768 |
val subst = match schemeT T |
17261 | 769 |
in |
19748 | 770 |
if HOLogic.is_unitT (Envir.norm_type subst (varifyT (TFree(zeta,Sign.defaultS thy)))) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
771 |
then mk_type_abbr subst abbr alphas |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
772 |
else mk_type_abbr subst (suffix schemeN abbr) (alphas@[zeta]) |
21772 | 773 |
end handle TYPE_MATCH => default_tr' ctxt tm) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
774 |
else raise Match (* give print translation of specialised record a chance *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
775 |
| _ => raise Match) |
21772 | 776 |
else default_tr' ctxt tm |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
777 |
end |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
778 |
|
21772 | 779 |
fun record_type_tr' sep mark record record_scheme ctxt t = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
780 |
let |
21772 | 781 |
val thy = ProofContext.theory_of ctxt; |
18858 | 782 |
fun get_sort xs n = AList.lookup (op =) xs n |> the_default (Sign.defaultS thy); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
783 |
|
18858 | 784 |
val T = Sign.intern_typ thy (Syntax.typ_of_term (get_sort (Syntax.raw_term_sorts t)) I t) |
19748 | 785 |
val varifyT = varifyT (Term.maxidx_of_typ T) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
786 |
|
18858 | 787 |
fun term_of_type T = Syntax.term_of_typ (!Syntax.show_sorts) (Sign.extern_typ thy T); |
17261 | 788 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
789 |
fun field_lst T = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
790 |
(case T of |
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
791 |
Type (ext, args) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
792 |
=> (case try (unsuffix ext_typeN) ext of |
17261 | 793 |
SOME ext' |
18858 | 794 |
=> (case get_extfields thy ext' of |
17261 | 795 |
SOME flds |
18858 | 796 |
=> (case get_fieldext thy (fst (hd flds)) of |
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
797 |
SOME (_, alphas) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
798 |
=> (let |
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
799 |
val (f :: fs) = but_last flds; |
18858 | 800 |
val flds' = apfst (Sign.extern_const thy) f |
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
801 |
:: map (apfst NameSpace.base) fs; |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
802 |
val (args', more) = split_last args; |
19748 | 803 |
val alphavars = map varifyT (but_last alphas); |
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
804 |
val subst = fold2 (curry (Sign.typ_match thy)) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
805 |
alphavars args' Vartab.empty; |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
806 |
val flds'' = (map o apsnd) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
807 |
(Envir.norm_type subst o varifyT) flds'; |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
808 |
in flds'' @ field_lst more end |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
809 |
handle TYPE_MATCH => [("", T)] |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
810 |
| Library.UnequalLengths => [("", T)]) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
811 |
| NONE => [("", T)]) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
812 |
| NONE => [("", T)]) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
813 |
| NONE => [("", T)]) |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
814 |
| _ => [("", T)]) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
815 |
|
22219
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
816 |
val (flds, (_, moreT)) = split_last (field_lst T); |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
817 |
val flds' = map (fn (n, T) => Syntax.const mark $ Syntax.const n $ term_of_type T) flds; |
61b5bab471ce
print translation for record types with empty-sorted type variables raise Match instead of producing an error
haftmann
parents:
21962
diff
changeset
|
818 |
val flds'' = foldr1 (fn (x, y) => Syntax.const sep $ x $ y) flds' handle Empty => raise Match; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
819 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
820 |
in if not (!print_record_type_as_fields) orelse null flds then raise Match |
17261 | 821 |
else if moreT = HOLogic.unitT |
822 |
then Syntax.const record$flds'' |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
823 |
else Syntax.const record_scheme$flds''$term_of_type moreT |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
824 |
end |
17261 | 825 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
826 |
|
17261 | 827 |
fun gen_record_type_tr' name = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
828 |
let val name_sfx = suffix ext_typeN name; |
21772 | 829 |
fun tr' ctxt ts = record_type_tr' "_field_types" "_field_type" |
830 |
"_record_type" "_record_type_scheme" ctxt |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
831 |
(list_comb (Syntax.const name_sfx,ts)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
832 |
in (name_sfx,tr') |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
833 |
end |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
834 |
|
17261 | 835 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
836 |
fun gen_record_type_abbr_tr' abbr alphas zeta lastExt schemeT name = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
837 |
let val name_sfx = suffix ext_typeN name; |
17261 | 838 |
val default_tr' = record_type_tr' "_field_types" "_field_type" |
839 |
"_record_type" "_record_type_scheme" |
|
21772 | 840 |
fun tr' ctxt ts = |
841 |
record_type_abbr_tr' default_tr' abbr alphas zeta lastExt schemeT ctxt |
|
18858 | 842 |
(list_comb (Syntax.const name_sfx,ts)) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
843 |
in (name_sfx, tr') end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
844 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
845 |
(** record simprocs **) |
14358 | 846 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
847 |
val record_quick_and_dirty_sensitive = ref false; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
848 |
|
15215 | 849 |
|
18858 | 850 |
fun quick_and_dirty_prove stndrd thy asms prop tac = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
851 |
if !record_quick_and_dirty_sensitive andalso !quick_and_dirty |
20049 | 852 |
then Goal.prove (ProofContext.init thy) [] [] |
853 |
(Logic.list_implies (map Logic.varify asms,Logic.varify prop)) |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
854 |
(K (SkipProof.cheat_tac HOL.thy)) |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
855 |
(* standard can take quite a while for large records, thats why |
17261 | 856 |
* we varify the proposition manually here.*) |
20049 | 857 |
else let val prf = Goal.prove (ProofContext.init thy) [] asms prop tac; |
17261 | 858 |
in if stndrd then standard prf else prf end; |
15215 | 859 |
|
17261 | 860 |
fun quick_and_dirty_prf noopt opt () = |
861 |
if !record_quick_and_dirty_sensitive andalso !quick_and_dirty |
|
15215 | 862 |
then noopt () |
863 |
else opt (); |
|
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
864 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
865 |
local |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
866 |
fun abstract_over_fun_app (Abs (f,fT,t)) = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
867 |
let |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
868 |
val (f',t') = Term.dest_abs (f,fT,t); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
869 |
val T = domain_type fT; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
870 |
val (x,T') = hd (Term.variant_frees t' [("x",T)]); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
871 |
val f_x = Free (f',fT)$(Free (x,T')); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
872 |
fun is_constr (Const (c,_)$_) = can (unsuffix extN) c |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
873 |
| is_constr _ = false; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
874 |
fun subst (t as u$w) = if Free (f',fT)=u |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
875 |
then if is_constr w then f_x |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
876 |
else raise TERM ("abstract_over_fun_app",[t]) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
877 |
else subst u$subst w |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
878 |
| subst (Abs (x,T,t)) = (Abs (x,T,subst t)) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
879 |
| subst t = t |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
880 |
val t'' = abstract_over (f_x,subst t'); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
881 |
val vars = strip_qnt_vars "all" t''; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
882 |
val bdy = strip_qnt_body "all" t''; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
883 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
884 |
in list_abs ((x,T')::vars,bdy) end |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
885 |
| abstract_over_fun_app t = raise TERM ("abstract_over_fun_app",[t]); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
886 |
(* Generates a theorem of the kind: |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
887 |
* !!f x*. PROP P (f ( r x* ) x* == !!r x*. PROP P r x* |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
888 |
*) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
889 |
fun mk_fun_apply_eq (Abs (f, fT, t)) thy = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
890 |
let |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
891 |
val rT = domain_type fT; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
892 |
val vars = Term.strip_qnt_vars "all" t; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
893 |
val Ts = map snd vars; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
894 |
val n = length vars; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
895 |
fun app_bounds 0 t = t$Bound 0 |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
896 |
| app_bounds n t = if n > 0 then app_bounds (n-1) (t$Bound n) else t |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
897 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
898 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
899 |
val [P,r] = Term.variant_frees t [("P",rT::Ts--->Term.propT),("r",Ts--->rT)]; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
900 |
val prop = Logic.mk_equals |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
901 |
(list_all ((f,fT)::vars, |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
902 |
app_bounds (n - 1) ((Free P)$(Bound n$app_bounds (n-1) (Free r)))), |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
903 |
list_all ((fst r,rT)::vars, |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
904 |
app_bounds (n - 1) ((Free P)$Bound n))); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
905 |
val prove_standard = quick_and_dirty_prove true thy; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
906 |
val thm = prove_standard [] prop (fn prems => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
907 |
EVERY [rtac equal_intr_rule 1, |
21687 | 908 |
Goal.norm_hhf_tac 1,REPEAT (etac meta_allE 1), atac 1, |
909 |
Goal.norm_hhf_tac 1,REPEAT (etac meta_allE 1), atac 1]); |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
910 |
in thm end |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
911 |
| mk_fun_apply_eq t thy = raise TERM ("mk_fun_apply_eq",[t]); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
912 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
913 |
in |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
914 |
(* During proof of theorems produced by record_simproc you can end up in |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
915 |
* situations like "!!f ... . ... f r ..." where f is an extension update function. |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
916 |
* In order to split "f r" we transform this to "!!r ... . ... r ..." so that the |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
917 |
* usual split rules for extensions can apply. |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
918 |
*) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
919 |
val record_split_f_more_simproc = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
920 |
Simplifier.simproc HOL.thy "record_split_f_more_simp" ["x"] |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
921 |
(fn thy => fn _ => fn t => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
922 |
(case t of (Const ("all", Type (_, [Type (_, [Type("fun",[T,T']), _]), _])))$ |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
923 |
(trm as Abs _) => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
924 |
(case rec_id (~1) T of |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
925 |
"" => NONE |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
926 |
| n => if T=T' |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
927 |
then (let |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
928 |
val P=cterm_of thy (abstract_over_fun_app trm); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
929 |
val thm = mk_fun_apply_eq trm thy; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
930 |
val PV = cterm_of thy (hd (term_vars (prop_of thm))); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
931 |
val thm' = cterm_instantiate [(PV,P)] thm; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
932 |
in SOME thm' end handle TERM _ => NONE) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
933 |
else NONE) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
934 |
| _ => NONE)) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
935 |
end |
14255 | 936 |
|
18858 | 937 |
fun prove_split_simp thy ss T prop = |
17261 | 938 |
let |
18858 | 939 |
val {sel_upd={simpset,...},extsplit,...} = RecordsData.get thy; |
17261 | 940 |
val extsplits = |
17412 | 941 |
Library.foldl (fn (thms,(n,_)) => the_list (Symtab.lookup extsplit n) @ thms) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
942 |
([],dest_recTs T); |
18858 | 943 |
val thms = (case get_splits thy (rec_id (~1) T) of |
17261 | 944 |
SOME (all_thm,_,_,_) => |
15203 | 945 |
all_thm::(case extsplits of [thm] => [] | _ => extsplits) |
946 |
(* [thm] is the same as all_thm *) |
|
17261 | 947 |
| NONE => extsplits) |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
948 |
val thms'=K_comp_convs@thms; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
949 |
val ss' = (Simplifier.inherit_context ss simpset |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
950 |
addsimps thms' |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
951 |
addsimprocs [record_split_f_more_simproc]); |
16973 | 952 |
in |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
953 |
quick_and_dirty_prove true thy [] prop (fn _ => simp_tac ss' 1) |
15203 | 954 |
end; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
955 |
|
15215 | 956 |
|
15059 | 957 |
local |
16822 | 958 |
fun eq (s1:string) (s2:string) = (s1 = s2); |
959 |
fun has_field extfields f T = |
|
18931 | 960 |
exists (fn (eN,_) => exists (eq f o fst) (Symtab.lookup_list extfields eN)) |
16822 | 961 |
(dest_recTs T); |
15059 | 962 |
in |
14255 | 963 |
(* record_simproc *) |
964 |
(* Simplifies selections of an record update: |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
965 |
* (1) S (S_update k r) = k (S r) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
966 |
* (2) S (X_update k r) = S r |
14255 | 967 |
* The simproc skips multiple updates at once, eg: |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
968 |
* S (X_update x (Y_update y (S_update k r))) = k (S r) |
14255 | 969 |
* But be careful in (2) because of the extendibility of records. |
970 |
* - If S is a more-selector we have to make sure that the update on component |
|
971 |
* X does not affect the selected subrecord. |
|
972 |
* - If X is a more-selector we have to make sure that S is not in the updated |
|
17261 | 973 |
* subrecord. |
14255 | 974 |
*) |
13462 | 975 |
val record_simproc = |
17616
f526e2b9fe9e
simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents:
17600
diff
changeset
|
976 |
Simplifier.simproc HOL.thy "record_simp" ["x"] |
18858 | 977 |
(fn thy => fn ss => fn t => |
16872 | 978 |
(case t of (sel as Const (s, Type (_,[domS,rangeS])))$ |
979 |
((upd as Const (u,Type(_,[_,Type (_,[rT,_])]))) $ k $ r)=> |
|
18858 | 980 |
if is_selector thy s then |
981 |
(case get_updates thy u of SOME u_name => |
|
13462 | 982 |
let |
18858 | 983 |
val {sel_upd={updates,...},extfields,...} = RecordsData.get thy; |
17261 | 984 |
|
16872 | 985 |
fun mk_eq_terms ((upd as Const (u,Type(_,[kT,_]))) $ k $ r) = |
17412 | 986 |
(case Symtab.lookup updates u of |
15531 | 987 |
NONE => NONE |
17261 | 988 |
| SOME u_name |
14255 | 989 |
=> if u_name = s |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
990 |
then (case mk_eq_terms r of |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
991 |
NONE => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
992 |
let |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
993 |
val rv = ("r",rT) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
994 |
val rb = Bound 0 |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
995 |
val kv = ("k",kT) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
996 |
val kb = Bound 1 |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
997 |
in SOME (upd$kb$rb,kb$(sel$rb),[kv,rv]) end |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
998 |
| SOME (trm,trm',vars) => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
999 |
let |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1000 |
val kv = ("k",kT) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1001 |
val kb = Bound (length vars) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1002 |
in SOME (upd$kb$trm,kb$trm',kv::vars) end) |
16822 | 1003 |
else if has_field extfields u_name rangeS |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1004 |
orelse has_field extfields s (domain_type kT) |
15531 | 1005 |
then NONE |
17261 | 1006 |
else (case mk_eq_terms r of |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1007 |
SOME (trm,trm',vars) |
17261 | 1008 |
=> let |
1009 |
val kv = ("k",kT) |
|
14255 | 1010 |
val kb = Bound (length vars) |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1011 |
in SOME (upd$kb$trm,trm',kv::vars) end |
15531 | 1012 |
| NONE |
17261 | 1013 |
=> let |
1014 |
val rv = ("r",rT) |
|
14255 | 1015 |
val rb = Bound 0 |
16872 | 1016 |
val kv = ("k",kT) |
17261 | 1017 |
val kb = Bound 1 |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1018 |
in SOME (upd$kb$rb,sel$rb,[kv,rv]) end)) |
17261 | 1019 |
| mk_eq_terms r = NONE |
13462 | 1020 |
in |
17261 | 1021 |
(case mk_eq_terms (upd$k$r) of |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1022 |
SOME (trm,trm',vars) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1023 |
=> SOME (prove_split_simp thy ss domS |
16872 | 1024 |
(list_all(vars,(equals rangeS$(sel$trm)$trm')))) |
15531 | 1025 |
| NONE => NONE) |
13462 | 1026 |
end |
15531 | 1027 |
| NONE => NONE) |
17510 | 1028 |
else NONE |
15531 | 1029 |
| _ => NONE)); |
7178 | 1030 |
|
17261 | 1031 |
(* record_upd_simproc *) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1032 |
(* simplify multiple updates: |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1033 |
* (1) "N_update y (M_update g (N_update x (M_update f r))) = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1034 |
(N_update (y o x) (M_update (g o f) r))" |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1035 |
* (2) "r(|M:= M r|) = r" |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1036 |
* For (2) special care of "more" updates has to be taken: |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1037 |
* r(|more := m; A := A r|) |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1038 |
* If A is contained in the fields of m we cannot remove the update A := A r! |
17261 | 1039 |
* (But r(|more := r; A := A (r(|more := r|))|) = r(|more := r|) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1040 |
*) |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1041 |
val record_upd_simproc = |
17616
f526e2b9fe9e
simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents:
17600
diff
changeset
|
1042 |
Simplifier.simproc HOL.thy "record_upd_simp" ["x"] |
18858 | 1043 |
(fn thy => fn ss => fn t => |
16872 | 1044 |
(case t of ((upd as Const (u, Type(_,[_,Type(_,[rT,_])]))) $ k $ r) => |
17261 | 1045 |
let datatype ('a,'b) calc = Init of 'b | Inter of 'a |
18858 | 1046 |
val {sel_upd={selectors,updates,...},extfields,...} = RecordsData.get thy; |
17261 | 1047 |
|
1048 |
(*fun mk_abs_var x t = (x, fastype_of t);*) |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1049 |
fun sel_name u = NameSpace.base (unsuffix updateN u); |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1050 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1051 |
fun seed s (upd as Const (more,Type(_,[mT,_]))$ k $ r) = |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1052 |
if has_field extfields s (domain_type' mT) then upd else seed s r |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1053 |
| seed _ r = r; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1054 |
|
17261 | 1055 |
fun grow u uT k kT vars (sprout,skeleton) = |
1056 |
if sel_name u = moreN |
|
16872 | 1057 |
then let val kv = ("k", kT); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1058 |
val kb = Bound (length vars); |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1059 |
in ((Const (u,uT)$k$sprout,Const (u,uT)$kb$skeleton),kv::vars) end |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1060 |
else ((sprout,skeleton),vars); |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1061 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1062 |
fun is_upd_same (sprout,skeleton) u |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1063 |
((K_rec as Const ("Record.K_record",_))$ |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1064 |
((sel as Const (s,_))$r)) = |
17261 | 1065 |
if (unsuffix updateN u) = s andalso (seed s sprout) = r |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1066 |
then SOME (K_rec,sel,seed s skeleton) |
15531 | 1067 |
else NONE |
1068 |
| is_upd_same _ _ _ = NONE |
|
17261 | 1069 |
|
16872 | 1070 |
fun init_seed r = ((r,Bound 0), [("r", rT)]); |
17261 | 1071 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1072 |
fun add (n:string) f fmaps = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1073 |
(case AList.lookup (op =) fmaps n of |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1074 |
NONE => AList.update (op =) (n,[f]) fmaps |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1075 |
| SOME fs => AList.update (op =) (n,f::fs) fmaps) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1076 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1077 |
fun comps (n:string) T fmaps = |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1078 |
(case AList.lookup (op =) fmaps n of |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1079 |
SOME fs => |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1080 |
foldr1 (fn (f,g) => Const ("Fun.comp",(T-->T)-->(T-->T)-->(T-->T))$f$g) fs |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1081 |
| NONE => error ("record_upd_simproc.comps")) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1082 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1083 |
(* mk_updterm returns either |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1084 |
* - Init (orig-term, orig-term-skeleton, vars) if no optimisation can be made, |
17261 | 1085 |
* where vars are the bound variables in the skeleton |
1086 |
* - Inter (orig-term-skeleton,simplified-term-skeleton, |
|
16872 | 1087 |
* vars, (term-sprout, skeleton-sprout)) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1088 |
* where "All vars. orig-term-skeleton = simplified-term-skeleton" is |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1089 |
* the desired simplification rule, |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1090 |
* the sprouts accumulate the "more-updates" on the way from the seed |
17261 | 1091 |
* to the outermost update. It is only relevant to calculate the |
1092 |
* possible simplification for (2) |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1093 |
* The algorithm first walks down the updates to the seed-record while |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1094 |
* memorising the updates in the already-table. While walking up the |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1095 |
* updates again, the optimised term is constructed. |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1096 |
*) |
17261 | 1097 |
fun mk_updterm upds already |
16872 | 1098 |
(t as ((upd as Const (u,uT as (Type (_,[kT,_])))) $ k $ r)) = |
17261 | 1099 |
if Symtab.defined upds u |
1100 |
then let |
|
1101 |
fun rest already = mk_updterm upds already |
|
1102 |
in if u mem_string already |
|
1103 |
then (case (rest already r) of |
|
1104 |
Init ((sprout,skel),vars) => |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1105 |
let |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1106 |
val n = sel_name u; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1107 |
val kv = (n, kT); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1108 |
val kb = Bound (length vars); |
16872 | 1109 |
val (sprout',vars')= grow u uT k kT (kv::vars) (sprout,skel); |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1110 |
in Inter (upd$kb$skel,skel,vars',add n kb [],sprout') end |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1111 |
| Inter (trm,trm',vars,fmaps,sprout) => |
17261 | 1112 |
let |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1113 |
val n = sel_name u; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1114 |
val kv = (n, kT); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1115 |
val kb = Bound (length vars); |
16872 | 1116 |
val (sprout',vars') = grow u uT k kT (kv::vars) sprout; |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1117 |
in Inter(upd$kb$trm,trm',kv::vars',add n kb fmaps,sprout') |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1118 |
end) |
17261 | 1119 |
else |
1120 |
(case rest (u::already) r of |
|
1121 |
Init ((sprout,skel),vars) => |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1122 |
(case is_upd_same (sprout,skel) u k of |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1123 |
SOME (K_rec,sel,skel') => |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1124 |
let |
17261 | 1125 |
val (sprout',vars') = grow u uT k kT vars (sprout,skel); |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1126 |
in Inter(upd$(K_rec$(sel$skel'))$skel,skel,vars',[],sprout') |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1127 |
end |
17261 | 1128 |
| NONE => |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1129 |
let |
17261 | 1130 |
val kv = (sel_name u, kT); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1131 |
val kb = Bound (length vars); |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1132 |
in Init ((upd$k$sprout,upd$kb$skel),kv::vars) end) |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1133 |
| Inter (trm,trm',vars,fmaps,sprout) => |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1134 |
(case is_upd_same sprout u k of |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1135 |
SOME (K_rec,sel,skel) => |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1136 |
let |
16872 | 1137 |
val (sprout',vars') = grow u uT k kT vars sprout |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1138 |
in Inter(upd$(K_rec$(sel$skel))$trm,trm',vars',fmaps,sprout') |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1139 |
end |
15531 | 1140 |
| NONE => |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1141 |
let |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1142 |
val n = sel_name u |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1143 |
val T = domain_type kT |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1144 |
val kv = (n, kT) |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1145 |
val kb = Bound (length vars) |
16872 | 1146 |
val (sprout',vars') = grow u uT k kT (kv::vars) sprout |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1147 |
val fmaps' = add n kb fmaps |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1148 |
in Inter (upd$kb$trm,upd$comps n T fmaps'$trm' |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1149 |
,vars',fmaps',sprout') end)) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1150 |
end |
17261 | 1151 |
else Init (init_seed t) |
1152 |
| mk_updterm _ _ t = Init (init_seed t); |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1153 |
|
17261 | 1154 |
in (case mk_updterm updates [] t of |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1155 |
Inter (trm,trm',vars,_,_) |
18858 | 1156 |
=> SOME (prove_split_simp thy ss rT |
16872 | 1157 |
(list_all(vars,(equals rT$trm$trm')))) |
15531 | 1158 |
| _ => NONE) |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1159 |
end |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1160 |
| _ => NONE)) |
15059 | 1161 |
end |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1162 |
|
14255 | 1163 |
(* record_eq_simproc *) |
1164 |
(* looks up the most specific record-equality. |
|
1165 |
* Note on efficiency: |
|
1166 |
* Testing equality of records boils down to the test of equality of all components. |
|
1167 |
* Therefore the complexity is: #components * complexity for single component. |
|
1168 |
* Especially if a record has a lot of components it may be better to split up |
|
1169 |
* the record first and do simplification on that (record_split_simp_tac). |
|
1170 |
* e.g. r(|lots of updates|) = x |
|
1171 |
* |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1172 |
* record_eq_simproc record_split_simp_tac |
17261 | 1173 |
* Complexity: #components * #updates #updates |
1174 |
* |
|
14255 | 1175 |
*) |
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
1176 |
val record_eq_simproc = |
17510 | 1177 |
Simplifier.simproc HOL.thy "record_eq_simp" ["r = s"] |
18858 | 1178 |
(fn thy => fn _ => fn t => |
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
1179 |
(case t of Const ("op =", Type (_, [T, _])) $ _ $ _ => |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1180 |
(case rec_id (~1) T of |
15531 | 1181 |
"" => NONE |
18858 | 1182 |
| name => (case get_equalities thy name of |
15531 | 1183 |
NONE => NONE |
1184 |
| SOME thm => SOME (thm RS Eq_TrueI))) |
|
1185 |
| _ => NONE)); |
|
14079
1c22e5499eeb
- record_split_tac now also works for object-level universal quantifier
berghofe
parents:
13904
diff
changeset
|
1186 |
|
14255 | 1187 |
(* record_split_simproc *) |
17261 | 1188 |
(* splits quantified occurrences of records, for which P holds. P can peek on the |
14255 | 1189 |
* subterm starting at the quantified occurrence of the record (including the quantifier) |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1190 |
* P t = 0: do not split |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1191 |
* P t = ~1: completely split |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1192 |
* P t > 0: split up to given bound of record extensions |
14255 | 1193 |
*) |
1194 |
fun record_split_simproc P = |
|
17616
f526e2b9fe9e
simprocs: pattern now "x" (the proc is supposed to discriminate faster than Pattern.match);
wenzelm
parents:
17600
diff
changeset
|
1195 |
Simplifier.simproc HOL.thy "record_split_simp" ["x"] |
18858 | 1196 |
(fn thy => fn _ => fn t => |
14255 | 1197 |
(case t of (Const (quantifier, Type (_, [Type (_, [T, _]), _])))$trm => |
1198 |
if quantifier = "All" orelse quantifier = "all" orelse quantifier = "Ex" |
|
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1199 |
then (case rec_id (~1) T of |
15531 | 1200 |
"" => NONE |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1201 |
| name |
17261 | 1202 |
=> let val split = P t |
1203 |
in if split <> 0 then |
|
18858 | 1204 |
(case get_splits thy (rec_id split T) of |
15531 | 1205 |
NONE => NONE |
17261 | 1206 |
| SOME (all_thm, All_thm, Ex_thm,_) |
15531 | 1207 |
=> SOME (case quantifier of |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1208 |
"all" => all_thm |
21546 | 1209 |
| "All" => All_thm RS eq_reflection |
1210 |
| "Ex" => Ex_thm RS eq_reflection |
|
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1211 |
| _ => error "record_split_simproc")) |
15531 | 1212 |
else NONE |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1213 |
end) |
15531 | 1214 |
else NONE |
1215 |
| _ => NONE)) |
|
7178 | 1216 |
|
14427 | 1217 |
val record_ex_sel_eq_simproc = |
17510 | 1218 |
Simplifier.simproc HOL.thy "record_ex_sel_eq_simproc" ["Ex t"] |
18858 | 1219 |
(fn thy => fn ss => fn t => |
17261 | 1220 |
let |
16973 | 1221 |
fun prove prop = |
18858 | 1222 |
quick_and_dirty_prove true thy [] prop |
1223 |
(fn _ => simp_tac (Simplifier.inherit_context ss (get_simpset thy) |
|
16973 | 1224 |
addsimps simp_thms addsimprocs [record_split_simproc (K ~1)]) 1); |
14959 | 1225 |
|
1226 |
fun mkeq (lr,Teq,(sel,Tsel),x) i = |
|
18858 | 1227 |
if is_selector thy sel then |
17261 | 1228 |
let val x' = if not (loose_bvar1 (x,0)) |
1229 |
then Free ("x" ^ string_of_int i, range_type Tsel) |
|
14959 | 1230 |
else raise TERM ("",[x]); |
1231 |
val sel' = Const (sel,Tsel)$Bound 0; |
|
1232 |
val (l,r) = if lr then (sel',x') else (x',sel'); |
|
1233 |
in Const ("op =",Teq)$l$r end |
|
17510 | 1234 |
else raise TERM ("",[Const (sel,Tsel)]); |
14959 | 1235 |
|
17261 | 1236 |
fun dest_sel_eq (Const ("op =",Teq)$(Const (sel,Tsel)$Bound 0)$X) = |
14959 | 1237 |
(true,Teq,(sel,Tsel),X) |
1238 |
| dest_sel_eq (Const ("op =",Teq)$X$(Const (sel,Tsel)$Bound 0)) = |
|
1239 |
(false,Teq,(sel,Tsel),X) |
|
1240 |
| dest_sel_eq _ = raise TERM ("",[]); |
|
1241 |
||
17261 | 1242 |
in |
1243 |
(case t of |
|
14959 | 1244 |
(Const ("Ex",Tex)$Abs(s,T,t)) => |
16872 | 1245 |
(let val eq = mkeq (dest_sel_eq t) 0; |
14959 | 1246 |
val prop = list_all ([("r",T)], |
1247 |
Logic.mk_equals (Const ("Ex",Tex)$Abs(s,T,eq), |
|
1248 |
HOLogic.true_const)); |
|
15531 | 1249 |
in SOME (prove prop) end |
16872 | 1250 |
handle TERM _ => NONE) |
17261 | 1251 |
| _ => NONE) |
14427 | 1252 |
end) |
1253 |
||
5698 | 1254 |
|
17261 | 1255 |
|
6358 | 1256 |
|
14255 | 1257 |
local |
1258 |
val inductive_atomize = thms "induct_atomize"; |
|
18464 | 1259 |
val inductive_rulify = thms "induct_rulify"; |
14255 | 1260 |
in |
1261 |
(* record_split_simp_tac *) |
|
17261 | 1262 |
(* splits (and simplifies) all records in the goal for which P holds. |
14255 | 1263 |
* For quantified occurrences of a record |
1264 |
* 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
|
1265 |
* can only peek on the variable itself. |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1266 |
* P t = 0: do not split |
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1267 |
* P t = ~1: completely split |
17261 | 1268 |
* P t > 0: split up to given bound of record extensions |
14255 | 1269 |
*) |
15248
b436486091a6
record_split_simp_tac now can get simp rules as parameter
schirmer
parents:
15215
diff
changeset
|
1270 |
fun record_split_simp_tac thms P i st = |
14255 | 1271 |
let |
18858 | 1272 |
val thy = Thm.theory_of_thm st; |
14255 | 1273 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1274 |
val has_rec = exists_Const |
14255 | 1275 |
(fn (s, Type (_, [Type (_, [T, _]), _])) => |
17261 | 1276 |
(s = "all" orelse s = "All" orelse s = "Ex") andalso is_recT T |
14255 | 1277 |
| _ => false); |
1278 |
||
18011
685d95c793ff
cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents:
17960
diff
changeset
|
1279 |
val goal = nth (Thm.prems_of st) (i - 1); |
15570 | 1280 |
val frees = List.filter (is_recT o type_of) (term_frees goal); |
14255 | 1281 |
|
17261 | 1282 |
fun mk_split_free_tac free induct_thm i = |
18858 | 1283 |
let val cfree = cterm_of thy free; |
14255 | 1284 |
val (_$(_$r)) = concl_of induct_thm; |
18858 | 1285 |
val crec = cterm_of thy r; |
14255 | 1286 |
val thm = cterm_instantiate [(crec,cfree)] induct_thm; |
1287 |
in EVERY [simp_tac (HOL_basic_ss addsimps inductive_atomize) i, |
|
1288 |
rtac thm i, |
|
18464 | 1289 |
simp_tac (HOL_basic_ss addsimps inductive_rulify) i] |
17261 | 1290 |
end; |
14255 | 1291 |
|
17261 | 1292 |
fun split_free_tac P i (free as Free (n,T)) = |
1293 |
(case rec_id (~1) T of |
|
15531 | 1294 |
"" => NONE |
17261 | 1295 |
| name => let val split = P free |
1296 |
in if split <> 0 then |
|
18858 | 1297 |
(case get_splits thy (rec_id split T) of |
15531 | 1298 |
NONE => NONE |
1299 |
| SOME (_,_,_,induct_thm) |
|
1300 |
=> SOME (mk_split_free_tac free induct_thm i)) |
|
1301 |
else NONE |
|
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1302 |
end) |
15531 | 1303 |
| split_free_tac _ _ _ = NONE; |
14255 | 1304 |
|
15570 | 1305 |
val split_frees_tacs = List.mapPartial (split_free_tac P i) frees; |
17261 | 1306 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1307 |
val simprocs = if has_rec goal then [record_split_simproc P] else []; |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1308 |
val thms' = K_comp_convs@thms |
17261 | 1309 |
in st |> ((EVERY split_frees_tacs) |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1310 |
THEN (Simplifier.full_simp_tac (get_simpset thy addsimps thms' addsimprocs simprocs) i)) |
15570 | 1311 |
end handle Empty => Seq.empty; |
14255 | 1312 |
end; |
1313 |
||
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1314 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1315 |
(* record_split_tac *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1316 |
(* 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
|
1317 |
fun record_split_tac i st = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1318 |
let |
18858 | 1319 |
val thy = Thm.theory_of_thm st; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1320 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1321 |
val has_rec = exists_Const |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1322 |
(fn (s, Type (_, [Type (_, [T, _]), _])) => |
17261 | 1323 |
(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
|
1324 |
| _ => false); |
17261 | 1325 |
|
18011
685d95c793ff
cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents:
17960
diff
changeset
|
1326 |
val goal = nth (Thm.prems_of st) (i - 1); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1327 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1328 |
fun is_all t = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1329 |
(case t of (Const (quantifier, _)$_) => |
15273
771af451a062
* extended interface of record_split_simp_tac and record_split_simproc
schirmer
parents:
15258
diff
changeset
|
1330 |
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
|
1331 |
| _ => 0); |
17261 | 1332 |
|
1333 |
in if has_rec goal |
|
1334 |
then Simplifier.full_simp_tac |
|
1335 |
(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
|
1336 |
else Seq.empty |
15570 | 1337 |
end handle Subscript => Seq.empty; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1338 |
|
6358 | 1339 |
(* wrapper *) |
1340 |
||
5707 | 1341 |
val record_split_name = "record_split_tac"; |
1342 |
val record_split_wrapper = (record_split_name, fn tac => record_split_tac ORELSE' tac); |
|
5698 | 1343 |
|
16330 | 1344 |
|
1345 |
||
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1346 |
(** theory extender interface **) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1347 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1348 |
(* prepare arguments *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1349 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1350 |
fun read_raw_parent sign s = |
16330 | 1351 |
(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
|
1352 |
Type (name, Ts) => (Ts, name) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1353 |
| _ => error ("Bad parent record specification: " ^ quote s)); |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1354 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1355 |
fun read_typ sign (env, s) = |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1356 |
let |
17377 | 1357 |
fun def_sort (x, ~1) = AList.lookup (op =) env x |
15531 | 1358 |
| def_sort _ = NONE; |
5060 | 1359 |
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
|
1360 |
in (Term.add_typ_tfrees (T, env), T) end; |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1361 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1362 |
fun cert_typ sign (env, raw_T) = |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1363 |
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
|
1364 |
in (Term.add_typ_tfrees (T, env), T) end; |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
1365 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1366 |
(* attributes *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1367 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1368 |
fun case_names_fields x = RuleCases.case_names ["fields"] x; |
18728 | 1369 |
fun induct_type_global name = [case_names_fields, InductAttrib.induct_type name]; |
1370 |
fun cases_type_global name = [case_names_fields, InductAttrib.cases_type name]; |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1371 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1372 |
(* tactics *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1373 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1374 |
fun simp_all_tac ss simps = ALLGOALS (Simplifier.asm_full_simp_tac (ss addsimps simps)); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1375 |
|
17261 | 1376 |
(* do case analysis / induction according to rule on last parameter of ith subgoal |
1377 |
* (or on s if there are no parameters); |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1378 |
* Instatiation of record variable (and predicate) in rule is calculated to |
17261 | 1379 |
* avoid problems with higher order unification. |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1380 |
*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1381 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1382 |
fun try_param_tac s rule i st = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1383 |
let |
17510 | 1384 |
val cert = cterm_of (Thm.theory_of_thm st); |
18011
685d95c793ff
cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents:
17960
diff
changeset
|
1385 |
val g = nth (prems_of st) (i - 1); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1386 |
val params = Logic.strip_params g; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1387 |
val concl = HOLogic.dest_Trueprop (Logic.strip_assums_concl g); |
18145 | 1388 |
val rule' = Thm.lift_rule (Thm.cprem_of st i) rule; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1389 |
val (P, ys) = strip_comb (HOLogic.dest_Trueprop |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1390 |
(Logic.strip_assums_concl (prop_of rule'))); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1391 |
(* ca indicates if rule is a case analysis or induction rule *) |
15570 | 1392 |
val (x, ca) = (case rev (Library.drop (length params, ys)) of |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1393 |
[] => (head_of (fst (HOLogic.dest_eq (HOLogic.dest_Trueprop |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1394 |
(hd (rev (Logic.strip_assums_hyp (hd (prems_of rule')))))))), true) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1395 |
| [x] => (head_of x, false)); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1396 |
val rule'' = cterm_instantiate (map (pairself cert) (case (rev params) of |
17377 | 1397 |
[] => (case AList.lookup (op =) (map dest_Free (term_frees (prop_of st))) s of |
15531 | 1398 |
NONE => sys_error "try_param_tac: no such variable" |
1399 |
| SOME T => [(P, if ca then concl else lambda (Free (s, T)) concl), |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1400 |
(x, Free (s, T))]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1401 |
| (_, T) :: _ => [(P, list_abs (params, if ca then concl |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1402 |
else incr_boundvars 1 (Abs (s, T, concl)))), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1403 |
(x, list_abs (params, Bound 0))])) rule' |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1404 |
in compose_tac (false, rule'', nprems_of rule) i st end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1405 |
|
15215 | 1406 |
|
1407 |
(* !!x1 ... xn. ... ==> EX x1 ... xn. P x1 ... xn; |
|
1408 |
instantiates x1 ... xn with parameters x1 ... xn *) |
|
1409 |
fun ex_inst_tac i st = |
|
1410 |
let |
|
18858 | 1411 |
val thy = Thm.theory_of_thm st; |
18011
685d95c793ff
cleaned up nth, nth_update, nth_map and nth_string functions
haftmann
parents:
17960
diff
changeset
|
1412 |
val g = nth (prems_of st) (i - 1); |
15215 | 1413 |
val params = Logic.strip_params g; |
18145 | 1414 |
val exI' = Thm.lift_rule (Thm.cprem_of st i) exI; |
15215 | 1415 |
val (_$(_$x)) = Logic.strip_assums_concl (hd (prems_of exI')); |
18858 | 1416 |
val cx = cterm_of thy (fst (strip_comb x)); |
15215 | 1417 |
|
17261 | 1418 |
in Seq.single (Library.foldl (fn (st,v) => |
1419 |
Seq.hd |
|
1420 |
(compose_tac (false, cterm_instantiate |
|
18858 | 1421 |
[(cx,cterm_of thy (list_abs (params,Bound v)))] exI',1) |
15215 | 1422 |
i st)) (st,((length params) - 1) downto 0)) |
1423 |
end; |
|
1424 |
||
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1425 |
fun extension_typedef name repT alphas thy = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1426 |
let |
20484 | 1427 |
fun get_thms thy name = |
1428 |
let |
|
1429 |
val SOME { Abs_induct = abs_induct, |
|
1430 |
Abs_inject=abs_inject, Abs_inverse = abs_inverse, ...} = TypedefPackage.get_info thy name; |
|
21708 | 1431 |
val rewrite_rule = MetaSimplifier.rewrite_rule [rec_UNIV_I, rec_True_simp]; |
20484 | 1432 |
in map rewrite_rule [abs_inject, abs_inverse, abs_induct] end; |
1433 |
in |
|
1434 |
thy |
|
1435 |
|> TypecopyPackage.add_typecopy (suffix ext_typeN (Sign.base_name name), alphas) repT NONE |
|
1436 |
|-> (fn (name, _) => `(fn thy => get_thms thy name)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1437 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1438 |
|
17261 | 1439 |
fun mixit convs refls = |
15215 | 1440 |
let fun f ((res,lhs,rhs),refl) = ((refl,List.revAppend (lhs,refl::tl rhs))::res,hd rhs::lhs,tl rhs); |
15570 | 1441 |
in #1 (Library.foldl f (([],[],convs),refls)) end; |
15215 | 1442 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1443 |
|
17261 | 1444 |
fun extension_definition full name fields names alphas zeta moreT more vars thy = |
1445 |
let |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1446 |
val base = Sign.base_name; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1447 |
val fieldTs = (map snd fields); |
15215 | 1448 |
val alphas_zeta = alphas@[zeta]; |
1449 |
val alphas_zetaTs = map (fn n => TFree (n, HOLogic.typeS)) alphas_zeta; |
|
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1450 |
val vT = TFree (Name.variant alphas_zeta "'v", HOLogic.typeS); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1451 |
val extT_name = suffix ext_typeN name |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1452 |
val extT = Type (extT_name, alphas_zetaTs); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1453 |
val repT = foldr1 HOLogic.mk_prodT (fieldTs@[moreT]); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1454 |
val fields_more = fields@[(full moreN,moreT)]; |
15215 | 1455 |
val fields_moreTs = fieldTs@[moreT]; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1456 |
val bfields_more = map (apfst base) fields_more; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1457 |
val r = Free (rN,extT) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1458 |
val len = length fields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1459 |
val idxms = 0 upto len; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1460 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1461 |
(* prepare declarations and definitions *) |
17261 | 1462 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1463 |
(*fields constructor*) |
15215 | 1464 |
val ext_decl = (mk_extC (name,extT) fields_moreTs); |
17261 | 1465 |
(* |
1466 |
val ext_spec = Const ext_decl :== |
|
1467 |
(foldr (uncurry lambda) |
|
1468 |
(mk_Abs name repT extT $ (foldr1 HOLogic.mk_prod (vars@[more]))) (vars@[more])) |
|
1469 |
*) |
|
1470 |
val ext_spec = list_comb (Const ext_decl,vars@[more]) :== |
|
15215 | 1471 |
(mk_Abs name repT extT $ (foldr1 HOLogic.mk_prod (vars@[more]))); |
1472 |
||
17261 | 1473 |
fun mk_ext args = list_comb (Const ext_decl, args); |
1474 |
||
1475 |
(*destructors*) |
|
16379 | 1476 |
val _ = timing_msg "record extension preparing definitions"; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1477 |
val dest_decls = map (mk_selC extT o (apfst (suffix ext_dest))) bfields_more; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1478 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1479 |
fun mk_dest_spec (i, (c,T)) = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1480 |
let val snds = (funpow i HOLogic.mk_snd (mk_Rep name repT extT $ r)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1481 |
in Const (mk_selC extT (suffix ext_dest c,T)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1482 |
:== (lambda r (if i=len then snds else HOLogic.mk_fst snds)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1483 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1484 |
val dest_specs = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1485 |
ListPair.map mk_dest_spec (idxms, fields_more); |
17261 | 1486 |
|
16379 | 1487 |
(*updates*) |
15215 | 1488 |
val upd_decls = map (mk_updC updN extT) bfields_more; |
1489 |
fun mk_upd_spec (c,T) = |
|
1490 |
let |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1491 |
val args = map (fn (n,nT) => if n=c then Free (base c,T --> T)$ |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1492 |
(mk_sel r (suffix ext_dest n,nT)) |
17261 | 1493 |
else (mk_sel r (suffix ext_dest n,nT))) |
15215 | 1494 |
fields_more; |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1495 |
in Const (mk_updC updN extT (c,T))$(Free (base c,T --> T))$r |
15215 | 1496 |
:== mk_ext args |
1497 |
end; |
|
1498 |
val upd_specs = map mk_upd_spec fields_more; |
|
17261 | 1499 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1500 |
(* 1st stage: defs_thy *) |
16379 | 1501 |
fun mk_defs () = |
17261 | 1502 |
thy |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1503 |
|> extension_typedef name repT (alphas@[zeta]) |
18377 | 1504 |
||> Theory.add_consts_i |
15215 | 1505 |
(map Syntax.no_syn ((apfst base ext_decl)::dest_decls@upd_decls)) |
18377 | 1506 |
||>> PureThy.add_defs_i false (map Thm.no_attributes (ext_spec::dest_specs)) |
1507 |
||>> PureThy.add_defs_i false (map Thm.no_attributes upd_specs) |
|
1508 |
|> swap |
|
16379 | 1509 |
val (defs_thy, (([abs_inject, abs_inverse, abs_induct],ext_def::dest_defs),upd_defs)) = |
1510 |
timeit_msg "record extension type/selector/update defs:" mk_defs; |
|
17261 | 1511 |
|
1512 |
||
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1513 |
(* prepare propositions *) |
16379 | 1514 |
val _ = timing_msg "record extension preparing propositions"; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1515 |
val vars_more = vars@[more]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1516 |
val named_vars_more = (names@[full moreN])~~vars_more; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1517 |
val variants = map (fn (Free (x,_))=>x) vars_more; |
15215 | 1518 |
val ext = mk_ext vars_more; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1519 |
val s = Free (rN, extT); |
15215 | 1520 |
val w = Free (wN, extT); |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1521 |
val P = Free (Name.variant variants "P", extT-->HOLogic.boolT); |
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1522 |
val C = Free (Name.variant variants "C", HOLogic.boolT); |
17261 | 1523 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1524 |
val inject_prop = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1525 |
let val vars_more' = map (fn (Free (x,T)) => Free (x ^ "'",T)) vars_more; |
17261 | 1526 |
in All (map dest_Free (vars_more@vars_more')) |
1527 |
((HOLogic.eq_const extT $ |
|
1528 |
mk_ext vars_more$mk_ext vars_more') |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1529 |
=== |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1530 |
foldr1 HOLogic.mk_conj (map HOLogic.mk_eq (vars_more ~~ vars_more'))) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1531 |
end; |
17261 | 1532 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1533 |
val induct_prop = |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1534 |
(All (map dest_Free vars_more) (Trueprop (P $ ext)), Trueprop (P $ s)); |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1535 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1536 |
val cases_prop = |
17261 | 1537 |
(All (map dest_Free vars_more) |
1538 |
(Trueprop (HOLogic.mk_eq (s,ext)) ==> Trueprop C)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1539 |
==> Trueprop C; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1540 |
|
17261 | 1541 |
(*destructors*) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1542 |
val dest_conv_props = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1543 |
map (fn (c, x as Free (_,T)) => mk_sel ext (suffix ext_dest c,T) === x) named_vars_more; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1544 |
|
15215 | 1545 |
(*updates*) |
1546 |
fun mk_upd_prop (i,(c,T)) = |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1547 |
let val x' = Free (Name.variant variants (base c ^ "'"),T --> T) |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1548 |
val args' = nth_map i (K (x'$nth vars_more i)) vars_more |
15215 | 1549 |
in mk_upd updN c x' ext === mk_ext args' end; |
1550 |
val upd_conv_props = ListPair.map mk_upd_prop (idxms, fields_more); |
|
1551 |
||
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1552 |
val surjective_prop = |
17261 | 1553 |
let val args = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1554 |
map (fn (c, Free (_,T)) => mk_sel s (suffix ext_dest c,T)) named_vars_more; |
15215 | 1555 |
in s === mk_ext args end; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1556 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1557 |
val split_meta_prop = |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1558 |
let val P = Free (Name.variant variants "P", extT-->Term.propT) in |
17261 | 1559 |
Logic.mk_equals |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1560 |
(All [dest_Free s] (P $ s), All (map dest_Free vars_more) (P $ ext)) |
17261 | 1561 |
end; |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1562 |
|
17510 | 1563 |
fun prove stndrd = quick_and_dirty_prove stndrd defs_thy; |
1564 |
val prove_standard = quick_and_dirty_prove true defs_thy; |
|
15215 | 1565 |
fun prove_simp stndrd simps = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1566 |
let val tac = simp_all_tac HOL_ss simps |
15215 | 1567 |
in fn prop => prove stndrd [] prop (K tac) end; |
17261 | 1568 |
|
15215 | 1569 |
fun inject_prf () = (prove_simp true [ext_def,abs_inject,Pair_eq] inject_prop); |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1570 |
val inject = timeit_msg "record extension inject proof:" inject_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1571 |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1572 |
fun induct_prf () = |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1573 |
let val (assm, concl) = induct_prop |
20248 | 1574 |
in prove_standard [assm] concl (fn {prems, ...} => |
17261 | 1575 |
EVERY [try_param_tac rN abs_induct 1, |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1576 |
simp_tac (HOL_ss addsimps [split_paired_all]) 1, |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1577 |
resolve_tac (map (rewrite_rule [ext_def]) prems) 1]) |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1578 |
end; |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1579 |
val induct = timeit_msg "record extension induct proof:" induct_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1580 |
|
15215 | 1581 |
fun cases_prf_opt () = |
17261 | 1582 |
let |
15215 | 1583 |
val (_$(Pvar$_)) = concl_of induct; |
17261 | 1584 |
val ind = cterm_instantiate |
18858 | 1585 |
[(cterm_of defs_thy Pvar, cterm_of defs_thy |
15215 | 1586 |
(lambda w (HOLogic.imp$HOLogic.mk_eq(r,w)$C)))] |
1587 |
induct; |
|
1588 |
in standard (ObjectLogic.rulify (mp OF [ind, refl])) end; |
|
1589 |
||
1590 |
fun cases_prf_noopt () = |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1591 |
prove_standard [] cases_prop (fn prems => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1592 |
EVERY [asm_full_simp_tac (HOL_basic_ss addsimps [atomize_all, atomize_imp]) 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1593 |
try_param_tac rN induct 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1594 |
rtac impI 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1595 |
REPEAT (etac allE 1), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1596 |
etac mp 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1597 |
rtac refl 1]) |
15215 | 1598 |
|
1599 |
val cases_prf = quick_and_dirty_prf cases_prf_noopt cases_prf_opt; |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1600 |
val cases = timeit_msg "record extension cases proof:" cases_prf; |
17261 | 1601 |
|
1602 |
fun dest_convs_prf () = map (prove_simp false |
|
15215 | 1603 |
([ext_def,abs_inverse]@Pair_sel_convs@dest_defs)) dest_conv_props; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1604 |
val dest_convs = timeit_msg "record extension dest_convs proof:" dest_convs_prf; |
15215 | 1605 |
fun dest_convs_standard_prf () = map standard dest_convs; |
1606 |
||
17261 | 1607 |
val dest_convs_standard = |
1608 |
timeit_msg "record extension dest_convs_standard proof:" dest_convs_standard_prf; |
|
1609 |
||
1610 |
fun upd_convs_prf_noopt () = map (prove_simp true (dest_convs_standard@upd_defs)) |
|
15215 | 1611 |
upd_conv_props; |
1612 |
fun upd_convs_prf_opt () = |
|
17261 | 1613 |
let |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1614 |
|
17261 | 1615 |
fun mkrefl (c,T) = Thm.reflexive |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1616 |
(cterm_of defs_thy (Free (Name.variant variants (base c ^ "'"),T-->T))); |
15215 | 1617 |
val refls = map mkrefl fields_more; |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1618 |
val dest_convs' = map mk_meta_eq dest_convs; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1619 |
val map_eqs = map (uncurry Thm.combination) (refls ~~ dest_convs'); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1620 |
|
18858 | 1621 |
val constr_refl = Thm.reflexive (cterm_of defs_thy (head_of ext)); |
17261 | 1622 |
|
15215 | 1623 |
fun mkthm (udef,(fld_refl,thms)) = |
15570 | 1624 |
let val bdyeq = Library.foldl (uncurry Thm.combination) (constr_refl,thms); |
15215 | 1625 |
(* (|N=N (|N=N,M=M,K=K,more=more|) |
1626 |
M=M (|N=N,M=M,K=K,more=more|) |
|
1627 |
K=K' |
|
1628 |
more = more (|N=N,M=M,K=K,more=more|) = |
|
1629 |
(|N=N,M=M,K=K',more=more|) |
|
1630 |
*) |
|
1631 |
val (_$(_$v$r)$_) = prop_of udef; |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1632 |
val (_$(v'$_)$_) = prop_of fld_refl; |
17261 | 1633 |
val udef' = cterm_instantiate |
18858 | 1634 |
[(cterm_of defs_thy v,cterm_of defs_thy v'), |
1635 |
(cterm_of defs_thy r,cterm_of defs_thy ext)] udef; |
|
17261 | 1636 |
in standard (Thm.transitive udef' bdyeq) end; |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1637 |
in map mkthm (rev upd_defs ~~ (mixit dest_convs' map_eqs)) end; |
17261 | 1638 |
|
15215 | 1639 |
val upd_convs_prf = quick_and_dirty_prf upd_convs_prf_noopt upd_convs_prf_opt; |
1640 |
||
17261 | 1641 |
val upd_convs = |
1642 |
timeit_msg "record extension upd_convs proof:" upd_convs_prf; |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1643 |
|
17261 | 1644 |
fun surjective_prf () = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1645 |
prove_standard [] surjective_prop (fn prems => |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1646 |
(EVERY [try_param_tac rN induct 1, |
15215 | 1647 |
simp_tac (HOL_basic_ss addsimps dest_convs_standard) 1])); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1648 |
val surjective = timeit_msg "record extension surjective proof:" surjective_prf; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1649 |
|
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1650 |
fun split_meta_prf () = |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1651 |
prove_standard [] split_meta_prop (fn prems => |
21687 | 1652 |
EVERY [rtac equal_intr_rule 1, Goal.norm_hhf_tac 1, |
17960 | 1653 |
etac meta_allE 1, atac 1, |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1654 |
rtac (prop_subst OF [surjective]) 1, |
17960 | 1655 |
REPEAT (etac meta_allE 1), atac 1]); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1656 |
val split_meta = timeit_msg "record extension split_meta proof:" split_meta_prf; |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1657 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1658 |
|
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1659 |
val (([inject',induct',cases',surjective',split_meta'], |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1660 |
[dest_convs',upd_convs']), |
18377 | 1661 |
thm_thy) = |
17261 | 1662 |
defs_thy |
1663 |
|> (PureThy.add_thms o map Thm.no_attributes) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1664 |
[("ext_inject", inject), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1665 |
("ext_induct", induct), |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1666 |
("ext_cases", cases), |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1667 |
("ext_surjective", surjective), |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
1668 |
("ext_split", split_meta)] |
18377 | 1669 |
||>> (PureThy.add_thmss o map Thm.no_attributes) |
17261 | 1670 |
[("dest_convs",dest_convs_standard),("upd_convs",upd_convs)] |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1671 |
|
15215 | 1672 |
in (thm_thy,extT,induct',inject',dest_convs',split_meta',upd_convs') |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1673 |
end; |
17261 | 1674 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1675 |
fun chunks [] [] = [] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1676 |
| chunks [] xs = [xs] |
15570 | 1677 |
| chunks (l::ls) xs = Library.take (l,xs)::chunks ls (Library.drop (l,xs)); |
17261 | 1678 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1679 |
fun chop_last [] = error "last: list should not be empty" |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1680 |
| chop_last [x] = ([],x) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1681 |
| chop_last (x::xs) = let val (tl,l) = chop_last xs in (x::tl,l) end; |
17261 | 1682 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1683 |
fun subst_last s [] = error "subst_last: list should not be empty" |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1684 |
| subst_last s ([x]) = [s] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1685 |
| subst_last s (x::xs) = (x::subst_last s xs); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1686 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1687 |
(* mk_recordT builds up the record type from the current extension tpye extT and a list |
17261 | 1688 |
* of parent extensions, starting with the root of the record hierarchy |
1689 |
*) |
|
21078 | 1690 |
fun mk_recordT extT = |
1691 |
fold_rev (fn (parent, Ts) => fn T => Type (parent, subst_last T Ts)) extT; |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1692 |
|
15215 | 1693 |
|
1694 |
||
1695 |
fun obj_to_meta_all thm = |
|
1696 |
let |
|
17261 | 1697 |
fun E thm = case (SOME (spec OF [thm]) handle THM _ => NONE) of |
15531 | 1698 |
SOME thm' => E thm' |
1699 |
| NONE => thm; |
|
15215 | 1700 |
val th1 = E thm; |
1701 |
val th2 = Drule.forall_intr_vars th1; |
|
1702 |
in th2 end; |
|
1703 |
||
1704 |
fun meta_to_obj_all thm = |
|
1705 |
let |
|
22596 | 1706 |
val {thy, prop, ...} = rep_thm thm; |
15215 | 1707 |
val params = Logic.strip_params prop; |
1708 |
val concl = HOLogic.dest_Trueprop (Logic.strip_assums_concl prop); |
|
22596 | 1709 |
val ct = cterm_of thy |
15215 | 1710 |
(HOLogic.mk_Trueprop (HOLogic.list_all (params, concl))); |
1711 |
val thm' = Seq.hd (REPEAT (rtac allI 1) (Thm.trivial ct)); |
|
1712 |
in |
|
1713 |
Thm.implies_elim thm' thm |
|
1714 |
end; |
|
1715 |
||
1716 |
||
1717 |
||
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1718 |
(* record_definition *) |
17261 | 1719 |
fun record_definition (args, bname) parent (parents: parent_info list) raw_fields thy = |
14702 | 1720 |
(* smlnj needs type annotation of parents *) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1721 |
let |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1722 |
val alphas = map fst args; |
22578 | 1723 |
val name = Sign.full_name thy bname; |
1724 |
val full = Sign.full_name_path thy bname; |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1725 |
val base = Sign.base_name; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1726 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1727 |
val (bfields, field_syntax) = split_list (map (fn (x, T, mx) => ((x, T), mx)) raw_fields); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1728 |
|
15570 | 1729 |
val parent_fields = List.concat (map #fields parents); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1730 |
val parent_chunks = map (length o #fields) parents; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1731 |
val parent_names = map fst parent_fields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1732 |
val parent_types = map snd parent_fields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1733 |
val parent_fields_len = length parent_fields; |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1734 |
val parent_variants = Name.variant_list [moreN, rN, rN ^ "'", wN] (map base parent_names); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1735 |
val parent_vars = ListPair.map Free (parent_variants, parent_types); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1736 |
val parent_len = length parents; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1737 |
val parents_idx = (map #name parents) ~~ (0 upto (parent_len - 1)); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1738 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1739 |
val fields = map (apfst full) bfields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1740 |
val names = map fst fields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1741 |
val extN = full bname; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1742 |
val types = map snd fields; |
15574
b1d1b5bfc464
Removed practically all references to Library.foldr.
skalberg
parents:
15570
diff
changeset
|
1743 |
val alphas_fields = foldr add_typ_tfree_names [] types; |
17261 | 1744 |
val alphas_ext = alphas inter alphas_fields; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1745 |
val len = length fields; |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1746 |
val variants = Name.variant_list (moreN::rN::rN ^ "'"::wN::parent_variants) (map fst bfields); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1747 |
val vars = ListPair.map Free (variants, types); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1748 |
val named_vars = names ~~ vars; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1749 |
val idxs = 0 upto (len - 1); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1750 |
val idxms = 0 upto len; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1751 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1752 |
val all_fields = parent_fields @ fields; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1753 |
val all_names = parent_names @ names; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1754 |
val all_types = parent_types @ types; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1755 |
val all_len = parent_fields_len + len; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1756 |
val all_variants = parent_variants @ variants; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1757 |
val all_vars = parent_vars @ vars; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1758 |
val all_named_vars = (parent_names ~~ parent_vars) @ named_vars; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1759 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1760 |
|
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1761 |
val zeta = Name.variant alphas "'z"; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1762 |
val moreT = TFree (zeta, HOLogic.typeS); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1763 |
val more = Free (moreN, moreT); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1764 |
val full_moreN = full moreN; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1765 |
val bfields_more = bfields @ [(moreN,moreT)]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1766 |
val fields_more = fields @ [(full_moreN,moreT)]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1767 |
val vars_more = vars @ [more]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1768 |
val named_vars_more = named_vars @[(full_moreN,more)]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1769 |
val all_vars_more = all_vars @ [more]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1770 |
val all_named_vars_more = all_named_vars @ [(full_moreN,more)]; |
17261 | 1771 |
|
14700
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reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1772 |
(* 1st stage: extension_thy *) |
15215 | 1773 |
val (extension_thy,extT,ext_induct,ext_inject,ext_dest_convs,ext_split,u_convs) = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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diff
changeset
|
1774 |
thy |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1775 |
|> Theory.add_path bname |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1776 |
|> extension_definition full extN fields names alphas_ext zeta moreT more vars; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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diff
changeset
|
1777 |
|
17261 | 1778 |
val _ = timing_msg "record preparing definitions"; |
14700
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reimplementation of HOL records; only one type is created for
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diff
changeset
|
1779 |
val Type extension_scheme = extT; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1780 |
val extension_name = unsuffix ext_typeN (fst extension_scheme); |
17261 | 1781 |
val extension = let val (n,Ts) = extension_scheme in (n,subst_last HOLogic.unitT Ts) end; |
1782 |
val extension_names = |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1783 |
(map ((unsuffix ext_typeN) o fst o #extension) parents) @ [extN]; |
15570 | 1784 |
val extension_id = Library.foldl (op ^) ("",extension_names); |
14700
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changeset
|
1785 |
|
17261 | 1786 |
|
21078 | 1787 |
fun rec_schemeT n = mk_recordT (map #extension (prune n parents)) extT; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1788 |
val rec_schemeT0 = rec_schemeT 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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changeset
|
1789 |
|
17261 | 1790 |
fun recT n = |
14700
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reimplementation of HOL records; only one type is created for
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diff
changeset
|
1791 |
let val (c,Ts) = extension |
21078 | 1792 |
in mk_recordT (map #extension (prune n parents)) (Type (c,subst_last HOLogic.unitT Ts)) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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changeset
|
1793 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1794 |
val recT0 = recT 0; |
17261 | 1795 |
|
14700
2f885b7e5ba7
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changeset
|
1796 |
fun mk_rec args n = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1797 |
let val (args',more) = chop_last args; |
17261 | 1798 |
fun mk_ext' (((name,T),args),more) = mk_ext (name,T) (args@[more]); |
1799 |
fun build Ts = |
|
15574
b1d1b5bfc464
Removed practically all references to Library.foldr.
skalberg
parents:
15570
diff
changeset
|
1800 |
foldr mk_ext' more (prune n (extension_names ~~ Ts ~~ (chunks parent_chunks args'))) |
17261 | 1801 |
in |
1802 |
if more = HOLogic.unit |
|
1803 |
then build (map recT (0 upto parent_len)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1804 |
else build (map rec_schemeT (0 upto parent_len)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1805 |
end; |
17261 | 1806 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1807 |
val r_rec0 = mk_rec all_vars_more 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1808 |
val r_rec_unit0 = mk_rec (all_vars@[HOLogic.unit]) 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1809 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1810 |
fun r n = Free (rN, rec_schemeT n) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1811 |
val r0 = r 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1812 |
fun r_unit n = Free (rN, recT n) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1813 |
val r_unit0 = r_unit 0; |
15215 | 1814 |
val w = Free (wN, rec_schemeT 0) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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diff
changeset
|
1815 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1816 |
(* prepare print translation functions *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1817 |
val field_tr's = |
19046
bc5c6c9b114e
removed distinct, renamed gen_distinct to distinct;
wenzelm
parents:
18964
diff
changeset
|
1818 |
print_translation (distinct (op =) |
bc5c6c9b114e
removed distinct, renamed gen_distinct to distinct;
wenzelm
parents:
18964
diff
changeset
|
1819 |
(List.concat (map NameSpace.accesses' (full_moreN :: names)))); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1820 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1821 |
val adv_ext_tr's = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1822 |
let |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1823 |
val trnames = NameSpace.accesses' extN; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1824 |
in map (gen_record_tr') trnames end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1825 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1826 |
val adv_record_type_abbr_tr's = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
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diff
changeset
|
1827 |
let val trnames = NameSpace.accesses' (hd extension_names); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1828 |
val lastExt = (unsuffix ext_typeN (fst extension)); |
17190 | 1829 |
in map (gen_record_type_abbr_tr' name alphas zeta lastExt rec_schemeT0) trnames |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
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parents:
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diff
changeset
|
1830 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1831 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1832 |
val adv_record_type_tr's = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1833 |
let val trnames = if parent_len > 0 then NameSpace.accesses' extN else []; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1834 |
(* avoid conflict with adv_record_type_abbr_tr's *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1835 |
in map (gen_record_type_tr') trnames |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1836 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1837 |
|
17261 | 1838 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1839 |
(* prepare declarations *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1840 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1841 |
val sel_decls = map (mk_selC rec_schemeT0) bfields_more; |
15215 | 1842 |
val upd_decls = map (mk_updC updateN rec_schemeT0) bfields_more; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1843 |
val make_decl = (makeN, all_types ---> recT0); |
17261 | 1844 |
val fields_decl = (fields_selN, types ---> Type extension); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1845 |
val extend_decl = (extendN, recT0 --> moreT --> rec_schemeT0); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1846 |
val truncate_decl = (truncateN, rec_schemeT0 --> recT0); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1847 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1848 |
(* prepare definitions *) |
17261 | 1849 |
|
1850 |
fun parent_more s = |
|
1851 |
if null parents then s |
|
16124 | 1852 |
else mk_sel s (NameSpace.qualified (#name (List.last parents)) moreN, extT); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1853 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1854 |
fun parent_more_upd v s = |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1855 |
if null parents then v$s |
16124 | 1856 |
else let val mp = NameSpace.qualified (#name (List.last parents)) moreN; |
15215 | 1857 |
in mk_upd updateN mp v s end; |
17261 | 1858 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1859 |
(*record (scheme) type abbreviation*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1860 |
val recordT_specs = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1861 |
[(suffix schemeN bname, alphas @ [zeta], rec_schemeT0, Syntax.NoSyn), |
17261 | 1862 |
(bname, alphas, recT0, Syntax.NoSyn)]; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1863 |
|
17261 | 1864 |
(*selectors*) |
1865 |
fun mk_sel_spec (c,T) = |
|
1866 |
Const (mk_selC rec_schemeT0 (c,T)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1867 |
:== (lambda r0 (Const (mk_selC extT (suffix ext_dest c,T))$parent_more r0)); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1868 |
val sel_specs = map mk_sel_spec fields_more; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1869 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1870 |
(*updates*) |
15215 | 1871 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1872 |
fun mk_upd_spec (c,T) = |
17261 | 1873 |
let |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1874 |
val new = mk_upd' updN c (Free (base c,T-->T)) extT(*(parent_more r0)*); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1875 |
in Const (mk_updC updateN rec_schemeT0 (c,T))$(Free (base c,T-->T))$r0 |
15215 | 1876 |
:== (parent_more_upd new r0) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1877 |
end; |
17261 | 1878 |
val upd_specs = map mk_upd_spec fields_more; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1879 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1880 |
(*derived operations*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1881 |
val make_spec = Const (full makeN, all_types ---> recT0) $$ all_vars :== |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1882 |
mk_rec (all_vars @ [HOLogic.unit]) 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1883 |
val fields_spec = Const (full fields_selN, types ---> Type extension) $$ vars :== |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1884 |
mk_rec (all_vars @ [HOLogic.unit]) parent_len; |
17261 | 1885 |
val extend_spec = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1886 |
Const (full extendN, recT0-->moreT-->rec_schemeT0) $ r_unit0 $ more :== |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1887 |
mk_rec ((map (mk_sel r_unit0) all_fields) @ [more]) 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1888 |
val truncate_spec = Const (full truncateN, rec_schemeT0 --> recT0) $ r0 :== |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1889 |
mk_rec ((map (mk_sel r0) all_fields) @ [HOLogic.unit]) 0; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1890 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1891 |
(* 2st stage: defs_thy *) |
17261 | 1892 |
|
16379 | 1893 |
fun mk_defs () = |
1894 |
extension_thy |
|
17261 | 1895 |
|> Theory.add_trfuns |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1896 |
([],[],field_tr's, []) |
17261 | 1897 |
|> Theory.add_advanced_trfuns |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1898 |
([],[],adv_ext_tr's @ adv_record_type_tr's @ adv_record_type_abbr_tr's,[]) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1899 |
|> Theory.parent_path |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1900 |
|> Theory.add_tyabbrs_i recordT_specs |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1901 |
|> Theory.add_path bname |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1902 |
|> Theory.add_consts_i |
18330 | 1903 |
(map2 (fn (x, T) => fn mx => (x, T, mx)) sel_decls (field_syntax @ [Syntax.NoSyn])) |
17261 | 1904 |
|> (Theory.add_consts_i o map Syntax.no_syn) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1905 |
(upd_decls @ [make_decl, fields_decl, extend_decl, truncate_decl]) |
18377 | 1906 |
|> ((PureThy.add_defs_i false o map Thm.no_attributes) sel_specs) |
1907 |
||>> ((PureThy.add_defs_i false o map Thm.no_attributes) upd_specs) |
|
1908 |
||>> ((PureThy.add_defs_i false o map Thm.no_attributes) |
|
1909 |
[make_spec, fields_spec, extend_spec, truncate_spec]) |
|
1910 |
|> swap |
|
16379 | 1911 |
val (defs_thy,((sel_defs,upd_defs),derived_defs)) = |
1912 |
timeit_msg "record trfuns/tyabbrs/selectors/updates/make/fields/extend/truncate defs:" |
|
1913 |
mk_defs; |
|
17261 | 1914 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1915 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1916 |
(* prepare propositions *) |
17261 | 1917 |
val _ = timing_msg "record preparing propositions"; |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1918 |
val P = Free (Name.variant all_variants "P", rec_schemeT0-->HOLogic.boolT); |
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1919 |
val C = Free (Name.variant all_variants "C", HOLogic.boolT); |
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1920 |
val P_unit = Free (Name.variant all_variants "P", recT0-->HOLogic.boolT); |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1921 |
|
17261 | 1922 |
(*selectors*) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1923 |
val sel_conv_props = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1924 |
map (fn (c, x as Free (_,T)) => mk_sel r_rec0 (c,T) === x) named_vars_more; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1925 |
|
17261 | 1926 |
(*updates*) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1927 |
fun mk_upd_prop (i,(c,T)) = |
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1928 |
let val x' = Free (Name.variant all_variants (base c ^ "'"),T-->T); |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1929 |
val n = parent_fields_len + i; |
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
1930 |
val args' = nth_map n (K (x'$nth all_vars_more n)) all_vars_more |
15215 | 1931 |
in mk_upd updateN c x' r_rec0 === mk_rec args' 0 end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1932 |
val upd_conv_props = ListPair.map mk_upd_prop (idxms, fields_more); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1933 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1934 |
(*induct*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1935 |
val induct_scheme_prop = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1936 |
All (map dest_Free all_vars_more) (Trueprop (P $ r_rec0)) ==> Trueprop (P $ r0); |
17261 | 1937 |
val induct_prop = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1938 |
(All (map dest_Free all_vars) (Trueprop (P_unit $ r_rec_unit0)), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1939 |
Trueprop (P_unit $ r_unit0)); |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1940 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1941 |
(*surjective*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1942 |
val surjective_prop = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1943 |
let val args = map (fn (c,Free (_,T)) => mk_sel r0 (c,T)) all_named_vars_more |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1944 |
in r0 === mk_rec args 0 end; |
17261 | 1945 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1946 |
(*cases*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1947 |
val cases_scheme_prop = |
17261 | 1948 |
(All (map dest_Free all_vars_more) |
1949 |
(Trueprop (HOLogic.mk_eq (r0,r_rec0)) ==> Trueprop C)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1950 |
==> Trueprop C; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1951 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1952 |
val cases_prop = |
17261 | 1953 |
(All (map dest_Free all_vars) |
1954 |
(Trueprop (HOLogic.mk_eq (r_unit0,r_rec_unit0)) ==> Trueprop C)) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1955 |
==> Trueprop C; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1956 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1957 |
(*split*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1958 |
val split_meta_prop = |
20071
8f3e1ddb50e6
replaced Term.variant(list) by Name.variant(_list);
wenzelm
parents:
20049
diff
changeset
|
1959 |
let val P = Free (Name.variant all_variants "P", rec_schemeT0-->Term.propT) in |
17261 | 1960 |
Logic.mk_equals |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1961 |
(All [dest_Free r0] (P $ r0), All (map dest_Free all_vars_more) (P $ r_rec0)) |
17261 | 1962 |
end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1963 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1964 |
val split_object_prop = |
15574
b1d1b5bfc464
Removed practically all references to Library.foldr.
skalberg
parents:
15570
diff
changeset
|
1965 |
let fun ALL vs t = foldr (fn ((v,T),t) => HOLogic.mk_all (v,T,t)) t vs |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1966 |
in (ALL [dest_Free r0] (P $ r0)) === (ALL (map dest_Free all_vars_more) (P $ r_rec0)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1967 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1968 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1969 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1970 |
val split_ex_prop = |
15574
b1d1b5bfc464
Removed practically all references to Library.foldr.
skalberg
parents:
15570
diff
changeset
|
1971 |
let fun EX vs t = foldr (fn ((v,T),t) => HOLogic.mk_exists (v,T,t)) t vs |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1972 |
in (EX [dest_Free r0] (P $ r0)) === (EX (map dest_Free all_vars_more) (P $ r_rec0)) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1973 |
end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1974 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1975 |
(*equality*) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1976 |
val equality_prop = |
17261 | 1977 |
let |
1978 |
val s' = Free (rN ^ "'", rec_schemeT0) |
|
1979 |
fun mk_sel_eq (c,Free (_,T)) = mk_sel r0 (c,T) === mk_sel s' (c,T) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1980 |
val seleqs = map mk_sel_eq all_named_vars_more |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1981 |
in All (map dest_Free [r0,s']) (Logic.list_implies (seleqs,r0 === s')) end; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1982 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1983 |
(* 3rd stage: thms_thy *) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1984 |
|
17510 | 1985 |
fun prove stndrd = quick_and_dirty_prove stndrd defs_thy; |
1986 |
val prove_standard = quick_and_dirty_prove true defs_thy; |
|
17261 | 1987 |
|
15215 | 1988 |
fun prove_simp stndrd ss simps = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1989 |
let val tac = simp_all_tac ss simps |
15215 | 1990 |
in fn prop => prove stndrd [] prop (K tac) end; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1991 |
|
17510 | 1992 |
val ss = get_simpset defs_thy; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1993 |
|
17261 | 1994 |
fun sel_convs_prf () = map (prove_simp false ss |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
1995 |
(sel_defs@ext_dest_convs)) sel_conv_props; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
1996 |
val sel_convs = timeit_msg "record sel_convs proof:" sel_convs_prf; |
15215 | 1997 |
fun sel_convs_standard_prf () = map standard sel_convs |
17261 | 1998 |
val sel_convs_standard = |
1999 |
timeit_msg "record sel_convs_standard proof:" sel_convs_standard_prf; |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2000 |
|
17261 | 2001 |
fun upd_convs_prf () = |
2002 |
map (prove_simp true ss (upd_defs@u_convs)) upd_conv_props; |
|
2003 |
||
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2004 |
val upd_convs = timeit_msg "record upd_convs proof:" upd_convs_prf; |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2005 |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2006 |
val parent_induct = if null parents then [] else [#induct (hd (rev parents))]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2007 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2008 |
fun induct_scheme_prf () = prove_standard [] induct_scheme_prop (fn prems => |
17261 | 2009 |
(EVERY [if null parent_induct |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2010 |
then all_tac else try_param_tac rN (hd parent_induct) 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2011 |
try_param_tac rN ext_induct 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2012 |
asm_simp_tac HOL_basic_ss 1])); |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2013 |
val induct_scheme = timeit_msg "record induct_scheme proof:" induct_scheme_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2014 |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2015 |
fun induct_prf () = |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2016 |
let val (assm, concl) = induct_prop; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2017 |
in |
20248 | 2018 |
prove_standard [assm] concl (fn {prems, ...} => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2019 |
try_param_tac rN induct_scheme 1 |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2020 |
THEN try_param_tac "more" unit_induct 1 |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2021 |
THEN resolve_tac prems 1) |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2022 |
end; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2023 |
val induct = timeit_msg "record induct proof:" induct_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2024 |
|
17261 | 2025 |
fun surjective_prf () = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2026 |
prove_standard [] surjective_prop (fn prems => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2027 |
(EVERY [try_param_tac rN induct_scheme 1, |
15215 | 2028 |
simp_tac (ss addsimps sel_convs_standard) 1])) |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2029 |
val surjective = timeit_msg "record surjective proof:" surjective_prf; |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2030 |
|
15215 | 2031 |
fun cases_scheme_prf_opt () = |
17261 | 2032 |
let |
15215 | 2033 |
val (_$(Pvar$_)) = concl_of induct_scheme; |
17261 | 2034 |
val ind = cterm_instantiate |
18858 | 2035 |
[(cterm_of defs_thy Pvar, cterm_of defs_thy |
15215 | 2036 |
(lambda w (HOLogic.imp$HOLogic.mk_eq(r0,w)$C)))] |
2037 |
induct_scheme; |
|
2038 |
in standard (ObjectLogic.rulify (mp OF [ind, refl])) end; |
|
2039 |
||
2040 |
fun cases_scheme_prf_noopt () = |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2041 |
prove_standard [] cases_scheme_prop (fn prems => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2042 |
EVERY [asm_full_simp_tac (HOL_basic_ss addsimps [atomize_all, atomize_imp]) 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2043 |
try_param_tac rN induct_scheme 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2044 |
rtac impI 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2045 |
REPEAT (etac allE 1), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2046 |
etac mp 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2047 |
rtac refl 1]) |
15215 | 2048 |
val cases_scheme_prf = quick_and_dirty_prf cases_scheme_prf_noopt cases_scheme_prf_opt; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2049 |
val cases_scheme = timeit_msg "record cases_scheme proof:" cases_scheme_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2050 |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2051 |
fun cases_prf () = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2052 |
prove_standard [] cases_prop (fn _ => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2053 |
try_param_tac rN cases_scheme 1 |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2054 |
THEN simp_all_tac HOL_basic_ss [unit_all_eq1]); |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2055 |
val cases = timeit_msg "record cases proof:" cases_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2056 |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2057 |
fun split_meta_prf () = |
15215 | 2058 |
prove false [] split_meta_prop (fn prems => |
21687 | 2059 |
EVERY [rtac equal_intr_rule 1, Goal.norm_hhf_tac 1, |
17960 | 2060 |
etac meta_allE 1, atac 1, |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2061 |
rtac (prop_subst OF [surjective]) 1, |
17960 | 2062 |
REPEAT (etac meta_allE 1), atac 1]); |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2063 |
val split_meta = timeit_msg "record split_meta proof:" split_meta_prf; |
15215 | 2064 |
val split_meta_standard = standard split_meta; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2065 |
|
15215 | 2066 |
fun split_object_prf_opt () = |
17261 | 2067 |
let |
18858 | 2068 |
val cPI= cterm_of defs_thy (lambda r0 (Trueprop (P$r0))); |
15215 | 2069 |
val (_$Abs(_,_,P$_)) = fst (Logic.dest_equals (concl_of split_meta_standard)); |
18858 | 2070 |
val cP = cterm_of defs_thy P; |
15215 | 2071 |
val split_meta' = cterm_instantiate [(cP,cPI)] split_meta_standard; |
2072 |
val (l,r) = HOLogic.dest_eq (HOLogic.dest_Trueprop split_object_prop); |
|
18858 | 2073 |
val cl = cterm_of defs_thy (HOLogic.mk_Trueprop l); |
2074 |
val cr = cterm_of defs_thy (HOLogic.mk_Trueprop r); |
|
15215 | 2075 |
val thl = assume cl (*All r. P r*) (* 1 *) |
2076 |
|> obj_to_meta_all (*!!r. P r*) |
|
17261 | 2077 |
|> equal_elim split_meta' (*!!n m more. P (ext n m more)*) |
2078 |
|> meta_to_obj_all (*All n m more. P (ext n m more)*) (* 2*) |
|
15215 | 2079 |
|> implies_intr cl (* 1 ==> 2 *) |
2080 |
val thr = assume cr (*All n m more. P (ext n m more)*) |
|
2081 |
|> obj_to_meta_all (*!!n m more. P (ext n m more)*) |
|
17261 | 2082 |
|> equal_elim (symmetric split_meta') (*!!r. P r*) |
15215 | 2083 |
|> meta_to_obj_all (*All r. P r*) |
2084 |
|> implies_intr cr (* 2 ==> 1 *) |
|
17261 | 2085 |
in standard (thr COMP (thl COMP iffI)) end; |
15215 | 2086 |
|
2087 |
fun split_object_prf_noopt () = |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2088 |
prove_standard [] split_object_prop (fn prems => |
17261 | 2089 |
EVERY [rtac iffI 1, |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2090 |
REPEAT (rtac allI 1), etac allE 1, atac 1, |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2091 |
rtac allI 1, rtac induct_scheme 1,REPEAT (etac allE 1),atac 1]); |
15215 | 2092 |
|
17261 | 2093 |
val split_object_prf = quick_and_dirty_prf split_object_prf_noopt split_object_prf_opt; |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2094 |
val split_object = timeit_msg "record split_object proof:" split_object_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2095 |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2096 |
|
17261 | 2097 |
fun split_ex_prf () = |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2098 |
prove_standard [] split_ex_prop (fn prems => |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2099 |
EVERY [rtac iffI 1, |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2100 |
etac exE 1, |
15215 | 2101 |
simp_tac (HOL_basic_ss addsimps [split_meta_standard]) 1, |
2102 |
ex_inst_tac 1, |
|
2103 |
(*REPEAT (rtac exI 1),*) |
|
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2104 |
atac 1, |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2105 |
REPEAT (etac exE 1), |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2106 |
rtac exI 1, |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2107 |
atac 1]); |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2108 |
val split_ex = timeit_msg "record split_ex proof:" split_ex_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2109 |
|
17261 | 2110 |
fun equality_tac thms = |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2111 |
let val (s'::s::eqs) = rev thms; |
15215 | 2112 |
val ss' = ss addsimps (s'::s::sel_convs_standard); |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2113 |
val eqs' = map (simplify ss') eqs; |
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2114 |
in simp_tac (HOL_basic_ss addsimps (s'::s::eqs')) 1 end; |
17261 | 2115 |
|
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2116 |
fun equality_prf () = prove_standard [] equality_prop (fn _ => |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2117 |
fn st => let val [s, s'] = map #1 (rev (Tactic.innermost_params 1 st)) in |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2118 |
st |> (res_inst_tac [(rN, s)] cases_scheme 1 |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2119 |
THEN res_inst_tac [(rN, s')] cases_scheme 1 |
17261 | 2120 |
THEN (METAHYPS equality_tac 1)) |
15012
28fa57b57209
Added reference record_definition_quick_and_dirty_sensitive, to
schirmer
parents:
14981
diff
changeset
|
2121 |
(* simp_all_tac ss (sel_convs) would also work but is less efficient *) |
17261 | 2122 |
end); |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2123 |
val equality = timeit_msg "record equality proof:" equality_prf; |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2124 |
|
18377 | 2125 |
val ((([sel_convs',upd_convs',sel_defs',upd_defs',[split_meta',split_object',split_ex'],derived_defs'], |
2126 |
[surjective',equality']),[induct_scheme',induct',cases_scheme',cases']), thms_thy) = |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2127 |
defs_thy |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2128 |
|> (PureThy.add_thmss o map Thm.no_attributes) |
15215 | 2129 |
[("select_convs", sel_convs_standard), |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2130 |
("update_convs", upd_convs), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2131 |
("select_defs", sel_defs), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2132 |
("update_defs", upd_defs), |
15215 | 2133 |
("splits", [split_meta_standard,split_object,split_ex]), |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2134 |
("defs", derived_defs)] |
18377 | 2135 |
||>> (PureThy.add_thms o map Thm.no_attributes) |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2136 |
[("surjective", surjective), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2137 |
("equality", equality)] |
18377 | 2138 |
||>> PureThy.add_thms |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2139 |
[(("induct_scheme", induct_scheme), induct_type_global (suffix schemeN name)), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2140 |
(("induct", induct), induct_type_global name), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2141 |
(("cases_scheme", cases_scheme), cases_type_global (suffix schemeN name)), |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2142 |
(("cases", cases), cases_type_global name)]; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2143 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2144 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2145 |
val sel_upd_simps = sel_convs' @ upd_convs'; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2146 |
val iffs = [ext_inject] |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2147 |
val final_thy = |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2148 |
thms_thy |
18377 | 2149 |
|> (snd oo PureThy.add_thmss) |
18728 | 2150 |
[(("simps", sel_upd_simps), [Simplifier.simp_add]), |
2151 |
(("iffs",iffs), [iff_add])] |
|
17261 | 2152 |
|> put_record name (make_record_info args parent fields extension induct_scheme') |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2153 |
|> put_sel_upd (names @ [full_moreN]) sel_upd_simps |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2154 |
|> add_record_equalities extension_id equality' |
15015
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2155 |
|> add_extinjects ext_inject |
c5768e8c4da4
* record_upd_simproc also simplifies trivial updates:
schirmer
parents:
15012
diff
changeset
|
2156 |
|> add_extsplit extension_name ext_split |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2157 |
|> add_record_splits extension_id (split_meta',split_object',split_ex',induct_scheme') |
17261 | 2158 |
|> add_extfields extension_name (fields @ [(full_moreN,moreT)]) |
2159 |
|> add_fieldext (extension_name,snd extension) (names @ [full_moreN]) |
|
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2160 |
|> Theory.parent_path; |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2161 |
|
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2162 |
in final_thy |
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2163 |
end; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2164 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2165 |
(* add_record *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2166 |
|
4895 | 2167 |
(*we do all preparations and error checks here, deferring the real |
2168 |
work to record_definition*) |
|
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2169 |
fun gen_add_record prep_typ prep_raw_parent (params, bname) raw_parent raw_fields thy = |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2170 |
let |
17261 | 2171 |
val _ = Theory.requires thy "Record" "record definitions"; |
5698 | 2172 |
val _ = message ("Defining record " ^ quote bname ^ " ..."); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2173 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2174 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2175 |
(* parents *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2176 |
|
22578 | 2177 |
fun prep_inst T = snd (cert_typ thy ([], T)); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2178 |
|
22578 | 2179 |
val parent = Option.map (apfst (map prep_inst) o prep_raw_parent thy) raw_parent |
18678 | 2180 |
handle ERROR msg => cat_error msg ("The error(s) above in parent record specification"); |
12247 | 2181 |
val parents = add_parents thy parent []; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2182 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2183 |
val init_env = |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2184 |
(case parent of |
15531 | 2185 |
NONE => [] |
15574
b1d1b5bfc464
Removed practically all references to Library.foldr.
skalberg
parents:
15570
diff
changeset
|
2186 |
| SOME (types, _) => foldr Term.add_typ_tfrees [] types); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2187 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2188 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2189 |
(* fields *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2190 |
|
12506 | 2191 |
fun prep_field (env, (c, raw_T, mx)) = |
22578 | 2192 |
let val (env', T) = prep_typ thy (env, raw_T) handle ERROR msg => |
18678 | 2193 |
cat_error msg ("The error(s) above occured in field " ^ quote c) |
12506 | 2194 |
in (env', (c, T, mx)) end; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2195 |
|
4967 | 2196 |
val (envir, bfields) = foldl_map prep_field (init_env, raw_fields); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2197 |
val envir_names = map fst envir; |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2198 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2199 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2200 |
(* args *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2201 |
|
22578 | 2202 |
val defaultS = Sign.defaultS thy; |
17485 | 2203 |
val args = map (fn x => (x, AList.lookup (op =) envir x |> the_default defaultS)) params; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2204 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2205 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2206 |
(* errors *) |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2207 |
|
22578 | 2208 |
val name = Sign.full_name thy bname; |
17261 | 2209 |
val err_dup_record = |
4890 | 2210 |
if is_none (get_record thy name) then [] |
2211 |
else ["Duplicate definition of record " ^ quote name]; |
|
2212 |
||
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2213 |
val err_dup_parms = |
18964 | 2214 |
(case duplicates (op =) params of |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2215 |
[] => [] |
4890 | 2216 |
| dups => ["Duplicate parameter(s) " ^ commas dups]); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2217 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2218 |
val err_extra_frees = |
20951
868120282837
gen_rem(s) abandoned in favour of remove / subtract
haftmann
parents:
20484
diff
changeset
|
2219 |
(case subtract (op =) params envir_names of |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2220 |
[] => [] |
4890 | 2221 |
| extras => ["Extra free type variable(s) " ^ commas extras]); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2222 |
|
4890 | 2223 |
val err_no_fields = if null bfields then ["No fields present"] else []; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2224 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2225 |
val err_dup_fields = |
18964 | 2226 |
(case duplicates (op =) (map #1 bfields) of |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2227 |
[] => [] |
4890 | 2228 |
| dups => ["Duplicate field(s) " ^ commas_quote dups]); |
2229 |
||
2230 |
val err_bad_fields = |
|
12506 | 2231 |
if forall (not_equal moreN o #1) bfields then [] |
4890 | 2232 |
else ["Illegal field name " ^ quote moreN]; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2233 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2234 |
val err_dup_sorts = |
18964 | 2235 |
(case duplicates (op =) envir_names of |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2236 |
[] => [] |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2237 |
| dups => ["Inconsistent sort constraints for " ^ commas dups]); |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2238 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2239 |
val errs = |
4890 | 2240 |
err_dup_record @ err_dup_parms @ err_extra_frees @ err_no_fields @ |
2241 |
err_dup_fields @ err_bad_fields @ err_dup_sorts; |
|
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2242 |
in |
14700
2f885b7e5ba7
reimplementation of HOL records; only one type is created for
schirmer
parents:
14643
diff
changeset
|
2243 |
if null errs then () else error (cat_lines errs) ; |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2244 |
thy |> record_definition (args, bname) parent parents bfields |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2245 |
end |
18678 | 2246 |
handle ERROR msg => cat_error msg ("Failed to define record " ^ quote bname); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2247 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2248 |
val add_record = gen_add_record read_typ read_raw_parent; |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2249 |
val add_record_i = gen_add_record cert_typ (K I); |
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2250 |
|
6358 | 2251 |
(* setup theory *) |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2252 |
|
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2253 |
val setup = |
18708 | 2254 |
RecordsData.init #> |
2255 |
Theory.add_trfuns ([], parse_translation, [], []) #> |
|
2256 |
Theory.add_advanced_trfuns ([], adv_parse_translation, [], []) #> |
|
17875 | 2257 |
(fn thy => (Simplifier.change_simpset_of thy |
18708 | 2258 |
(fn ss => ss addsimprocs [record_simproc, record_upd_simproc, record_eq_simproc]); thy)); |
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2259 |
|
6358 | 2260 |
(* outer syntax *) |
2261 |
||
17057 | 2262 |
local structure P = OuterParse and K = OuterKeyword in |
6358 | 2263 |
|
2264 |
val record_decl = |
|
12876
a70df1e5bf10
got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents:
12590
diff
changeset
|
2265 |
P.type_args -- P.name -- |
a70df1e5bf10
got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents:
12590
diff
changeset
|
2266 |
(P.$$$ "=" |-- Scan.option (P.typ --| P.$$$ "+") -- Scan.repeat1 P.const); |
6358 | 2267 |
|
21226
a607ae87ee81
field-update in records is generalised to take a function on the field
schirmer
parents:
21109
diff
changeset
|
2268 |
val recordP = |
17261 | 2269 |
OuterSyntax.command "record" "define extensible record" K.thy_decl |
2270 |
(record_decl >> (fn (x, (y, z)) => Toplevel.theory (add_record x y z))); |
|
6358 | 2271 |
|
2272 |
val _ = OuterSyntax.add_parsers [recordP]; |
|
2273 |
||
4867
9be2bf0ce909
package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff
changeset
|
2274 |
end; |
5698 | 2275 |
|
6384 | 2276 |
end; |
2277 |
||
15215 | 2278 |
|
5698 | 2279 |
structure BasicRecordPackage: BASIC_RECORD_PACKAGE = RecordPackage; |
17261 | 2280 |
open BasicRecordPackage; |