src/HOL/Tools/record_package.ML
author wenzelm
Tue, 28 Jul 1998 17:05:34 +0200
changeset 5210 54aaa779b6b4
parent 5201 fac6fea3b782
child 5212 2bc5b5cf0516
permissions -rw-r--r--
removed global_names flag;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     1
(*  Title:      HOL/Tools/record_package.ML
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     2
    ID:         $Id$
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     3
    Author:     Wolfgang Naraschewski and Markus Wenzel, TU Muenchen
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     4
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     5
Extensible records with structural subtyping in HOL.
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     6
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
     7
TODO:
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
     8
  - field types: typedef;
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
     9
  - operations and theorems: split, split_all/ex, ...;
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
    10
  - field constructor: more specific type for snd component (x_more etc. classes);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    11
*)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    12
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    13
signature RECORD_PACKAGE =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    14
sig
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    15
  val moreS: sort
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    16
  val mk_fieldT: (string * typ) * typ -> typ
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    17
  val dest_fieldT: typ -> (string * typ) * typ
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    18
  val mk_field: (string * term) * term -> term
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    19
  val mk_fst: term -> term
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    20
  val mk_snd: term -> term
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    21
  val mk_recordT: (string * typ) list * typ -> typ
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    22
  val dest_recordT: typ -> (string * typ) list * typ
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    23
  val mk_record: (string * term) list * term -> term
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    24
  val mk_sel: term -> string -> term
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    25
  val mk_update: term -> string * term -> term
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    26
  val print_records: theory -> unit
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    27
  val add_record: (string list * bstring) -> string option
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    28
    -> (bstring * string) list -> theory -> theory
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    29
  val add_record_i: (string list * bstring) -> (typ list * string) option
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    30
    -> (bstring * typ) list -> theory -> theory
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    31
  val setup: (theory -> theory) list
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    32
end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    33
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    34
structure RecordPackage: RECORD_PACKAGE =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    35
struct
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    36
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    37
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    38
(*** utilities ***)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    39
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    40
(* string suffixes *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    41
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    42
fun suffix sfx s = s ^ sfx;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    43
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    44
fun unsuffix sfx s =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    45
  let
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    46
    val cs = explode s;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    47
    val prfx_len = size s - size sfx;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    48
  in
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    49
    if prfx_len >= 0 andalso implode (drop (prfx_len, cs)) = sfx then
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    50
      implode (take (prfx_len, cs))
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    51
    else raise LIST "unsuffix"
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    52
  end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    53
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    54
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    55
(* definitions and equations *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    56
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    57
infix 0 :== === ;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    58
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    59
val (op :==) = Logic.mk_defpair;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    60
val (op ===) = HOLogic.mk_Trueprop o HOLogic.mk_eq;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    61
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    62
fun get_defs thy specs = map (PureThy.get_tthm thy o fst) specs;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    63
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    64
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    65
(* proof by simplification *)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    66
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    67
fun prove_simp thy simps =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    68
  let
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    69
    val sign = Theory.sign_of thy;
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    70
    val ss = Simplifier.addsimps (HOL_basic_ss, map Attribute.thm_of simps);
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    71
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    72
    fun prove goal =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    73
      Attribute.tthm_of
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    74
        (Goals.prove_goalw_cterm [] (Thm.cterm_of sign goal)
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    75
          (K [ALLGOALS (Simplifier.simp_tac ss)])
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    76
        handle ERROR => error ("The error(s) above occurred while trying to prove "
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
    77
          ^ quote (Sign.string_of_term sign goal)));
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    78
  in prove end;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    79
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    80
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    81
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    82
(*** syntax operations ***)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    83
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    84
(** name components **)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    85
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    86
val moreN = "more";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    87
val schemeN = "_scheme";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    88
val fieldN = "_field";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    89
val field_typeN = "_field_type";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    90
val fstN = "_fst";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    91
val sndN = "_snd";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    92
val updateN = "_update";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    93
val makeN = "make";
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
    94
val make_schemeN = "make_scheme";
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    95
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    96
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
    97
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    98
(** tuple operations **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
    99
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   100
(* more type class *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   101
5210
54aaa779b6b4 removed global_names flag;
wenzelm
parents: 5201
diff changeset
   102
val moreS = ["Record.more"];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   103
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   104
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   105
(* types *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   106
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   107
fun mk_fieldT ((c, T), U) = Type (suffix field_typeN c, [T, U]);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   108
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   109
fun dest_fieldT (typ as Type (c_field_type, [T, U])) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   110
      (case try (unsuffix field_typeN) c_field_type of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   111
        None => raise TYPE ("dest_fieldT", [typ], [])
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   112
      | Some c => ((c, T), U))
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   113
  | dest_fieldT typ = raise TYPE ("dest_fieldT", [typ], []);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   114
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   115
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   116
(* constructors *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   117
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   118
fun mk_fieldC U (c, T) = (suffix fieldN c, T --> U --> mk_fieldT ((c, T), U));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   119
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   120
fun mk_field ((c, t), u) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   121
  let val T = fastype_of t and U = fastype_of u
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   122
  in Const (suffix fieldN c, [T, U] ---> mk_fieldT ((c, T), U)) $ t $ u end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   123
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   124
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   125
(* destructors *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   126
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   127
fun mk_fstC U (c, T) = (suffix fstN c, mk_fieldT ((c, T), U) --> T);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   128
fun mk_sndC U (c, T) = (suffix sndN c, mk_fieldT ((c, T), U) --> U);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   129
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   130
fun dest_field fst_or_snd p =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   131
  let
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   132
    val pT = fastype_of p;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   133
    val ((c, T), U) = dest_fieldT pT;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   134
    val (destN, destT) = if fst_or_snd then (fstN, T) else (sndN, U);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   135
  in Const (suffix destN c, pT --> destT) $ p end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   136
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   137
val mk_fst = dest_field true;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   138
val mk_snd = dest_field false;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   139
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   140
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   141
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   142
(** record operations **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   143
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   144
(* types *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   145
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   146
val mk_recordT = foldr mk_fieldT;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   147
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   148
fun dest_recordT T =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   149
  (case try dest_fieldT T of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   150
    None => ([], T)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   151
  | Some (c_T, U) => apfst (cons c_T) (dest_recordT U));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   152
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   153
fun find_fieldT c rT =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   154
  (case assoc (fst (dest_recordT rT), c) of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   155
    None => raise TYPE ("find_field: " ^ c, [rT], [])
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   156
  | Some T => T);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   157
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   158
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   159
(* constructors *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   160
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   161
val mk_record = foldr mk_field;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   162
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   163
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   164
(* selectors *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   165
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   166
fun mk_selC rT (c, T) = (c, rT --> T);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   167
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   168
fun mk_sel r c =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   169
  let val rT = fastype_of r
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   170
  in Const (mk_selC rT (c, find_fieldT c rT)) $ r end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   171
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   172
val mk_moreC = mk_selC;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   173
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   174
fun mk_more r c =
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   175
  let val rT = fastype_of r
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   176
  in Const (mk_moreC rT (c, snd (dest_recordT rT))) $ r end;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   177
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   178
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   179
(* updates *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   180
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   181
fun mk_updateC rT (c, T) = (suffix updateN c, T --> rT --> rT);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   182
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   183
fun mk_update r (c, x) =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   184
  let val rT = fastype_of r
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   185
  in Const (mk_updateC rT (c, find_fieldT c rT)) $ x $ r end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   186
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   187
val mk_more_updateC = mk_updateC;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   188
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   189
fun mk_more_update r (c, x) =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   190
  let val rT = fastype_of r
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   191
  in Const (mk_more_updateC rT (c, snd (dest_recordT rT))) $ x $ r end;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   192
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   193
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   194
(* make *)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   195
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   196
fun mk_makeC rT (c, Ts) = (c, Ts ---> rT);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   197
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   198
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   199
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   200
(** concrete syntax for records **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   201
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   202
(* parse translations *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   203
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   204
fun gen_field_tr mark sfx (t as Const (c, _) $ Free (name, _) $ arg) =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   205
      if c = mark then Syntax.const (suffix sfx name) $ arg
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   206
      else raise TERM ("gen_field_tr: " ^ mark, [t])
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   207
  | gen_field_tr mark _ t = raise TERM ("gen_field_tr: " ^ mark, [t]);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   208
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   209
fun gen_fields_tr sep mark sfx (tm as Const (c, _) $ t $ u) =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   210
      if c = sep then gen_field_tr mark sfx t :: gen_fields_tr sep mark sfx u
5201
wenzelm
parents: 5197
diff changeset
   211
      else [gen_field_tr mark sfx tm]
wenzelm
parents: 5197
diff changeset
   212
  | gen_fields_tr _ mark sfx tm = [gen_field_tr mark sfx tm];
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   213
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   214
fun gen_record_tr sep mark sfx unit [t] = foldr (op $) (gen_fields_tr sep mark sfx t, unit)
5201
wenzelm
parents: 5197
diff changeset
   215
  | gen_record_tr _ _ _ _ ts = raise TERM ("gen_record_tr", ts);
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   216
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   217
fun gen_record_scheme_tr sep mark sfx [t, more] = foldr (op $) (gen_fields_tr sep mark sfx t, more)
5201
wenzelm
parents: 5197
diff changeset
   218
  | gen_record_scheme_tr _ _ _ ts = raise TERM ("gen_record_scheme_tr", ts);
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   219
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   220
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   221
val record_type_tr = gen_record_tr "_field_types" "_field_type" field_typeN (Syntax.const "unit");
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   222
val record_type_scheme_tr = gen_record_scheme_tr "_field_types" "_field_type" field_typeN;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   223
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   224
val record_tr = gen_record_tr "_fields" "_field" fieldN HOLogic.unit;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   225
val record_scheme_tr = gen_record_scheme_tr "_fields" "_field" fieldN;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   226
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   227
fun record_update_tr [t, u] =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   228
      foldr (op $) (rev (gen_fields_tr "_updates" "_update" updateN u), t)
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   229
  | record_update_tr ts = raise TERM ("record_update_tr", ts);
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   230
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   231
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   232
val parse_translation =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   233
 [("_record_type", record_type_tr),
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   234
  ("_record_type_scheme", record_type_scheme_tr),
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   235
  ("_record", record_tr),
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   236
  ("_record_scheme", record_scheme_tr),
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   237
  ("_record_update", record_update_tr)];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   238
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   239
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   240
(* print translations *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   241
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   242
fun gen_fields_tr' mark sfx (tm as Const (name_field, _) $ t $ u) =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   243
      (case try (unsuffix sfx) name_field of
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   244
        Some name =>
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   245
          apfst (cons (Syntax.const mark $ Syntax.free name $ t)) (gen_fields_tr' mark sfx u)
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   246
      | None => ([], tm))
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   247
  | gen_fields_tr' _ _ tm = ([], tm);
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   248
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   249
fun gen_record_tr' sep mark sfx is_unit record record_scheme tm =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   250
  let
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   251
    val (ts, u) = gen_fields_tr' mark sfx tm;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   252
    val t' = foldr1 (fn (v, w) => Syntax.const sep $ v $ w) ts;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   253
  in
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   254
    if is_unit u then Syntax.const record $ t'
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   255
    else Syntax.const record_scheme $ t' $ u
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   256
  end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   257
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   258
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   259
val record_type_tr' =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   260
  gen_record_tr' "_field_types" "_field_type" field_typeN
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   261
    (fn Const ("unit", _) => true | _ => false) "_record_type" "_record_type_scheme";
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   262
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   263
val record_tr' =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   264
  gen_record_tr' "_fields" "_field" fieldN HOLogic.is_unit "_record" "_record_scheme";
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   265
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   266
fun record_update_tr' tm =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   267
  let val (ts, u) = gen_fields_tr' "_update" updateN tm in
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   268
    Syntax.const "_record_update" $ u $
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   269
      foldr1 (fn (v, w) => Syntax.const "_updates" $ v $ w) (rev ts)
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   270
  end;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   271
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   272
5201
wenzelm
parents: 5197
diff changeset
   273
fun gen_field_tr' sfx tr' name =
wenzelm
parents: 5197
diff changeset
   274
  let val name_sfx = suffix sfx name
wenzelm
parents: 5197
diff changeset
   275
  in (name_sfx, fn [t, u] => tr' (Syntax.const name_sfx $ t $ u) | _ => raise Match) end;
wenzelm
parents: 5197
diff changeset
   276
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   277
fun print_translation names =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   278
  map (gen_field_tr' field_typeN record_type_tr') names @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   279
  map (gen_field_tr' fieldN record_tr') names @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   280
  map (gen_field_tr' updateN record_update_tr') names;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   281
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   282
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   283
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   284
(*** extend theory by record definition ***)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   285
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   286
(** record info **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   287
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   288
(* type record_info and parent_info *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   289
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   290
type record_info =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   291
 {args: (string * sort) list,
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   292
  parent: (typ list * string) option,
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   293
  fields: (string * typ) list,
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   294
  simps: tthm list};
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   295
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   296
type parent_info =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   297
 {name: string,
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   298
  fields: (string * typ) list,
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   299
  simps: tthm list};
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   300
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   301
5052
bbe3584b515b fixed comment;
wenzelm
parents: 5006
diff changeset
   302
(* data kind 'HOL/records' *)
5001
9de7fda0a6df accomodate tuned version of theory data;
wenzelm
parents: 4970
diff changeset
   303
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   304
structure RecordsArgs =
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   305
struct
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   306
  val name = "HOL/records";
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   307
  type T = record_info Symtab.table;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   308
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   309
  val empty = Symtab.empty;
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   310
  val prep_ext = I;
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   311
  val merge: T * T -> T = Symtab.merge (K true);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   312
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   313
  fun print sg tab =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   314
    let
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   315
      val prt_typ = Sign.pretty_typ sg;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   316
      val ext_const = Sign.cond_extern sg Sign.constK;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   317
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   318
      fun pretty_parent None = []
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   319
        | pretty_parent (Some (Ts, name)) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   320
            [Pretty.block [prt_typ (Type (name, Ts)), Pretty.str " +"]];
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   321
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   322
      fun pretty_field (c, T) = Pretty.block
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   323
        [Pretty.str (ext_const c), Pretty.str " ::", Pretty.brk 1, Pretty.quote (prt_typ T)];
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   324
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   325
      fun pretty_record (name, {args, parent, fields, simps = _}) = Pretty.block (Pretty.fbreaks
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   326
        (Pretty.block [prt_typ (Type (name, map TFree args)), Pretty.str " = "] ::
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   327
          pretty_parent parent @ map pretty_field fields));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   328
    in
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   329
      seq (Pretty.writeln o pretty_record) (Symtab.dest tab)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   330
    end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   331
end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   332
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   333
structure RecordsData = TheoryDataFun(RecordsArgs);
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   334
val print_records = RecordsData.print;
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   335
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   336
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   337
(* get and put records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   338
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   339
fun get_record thy name = Symtab.lookup (RecordsData.get thy, name);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   340
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   341
fun put_record name info thy =
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   342
  RecordsData.put (Symtab.update ((name, info), RecordsData.get thy)) thy;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   343
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   344
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   345
(* parent records *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   346
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   347
fun inst_record thy (types, name) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   348
  let
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   349
    val sign = Theory.sign_of thy;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   350
    fun err msg = error (msg ^ " parent record " ^ quote name);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   351
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   352
    val {args, parent, fields, simps} =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   353
      (case get_record thy name of Some info => info | None => err "Unknown");
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   354
    val _ = if length types <> length args then err "Bad number of arguments for" else ();
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   355
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   356
    fun bad_inst ((x, S), T) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   357
      if Sign.of_sort sign (T, S) then None else Some x
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   358
    val bads = mapfilter bad_inst (args ~~ types);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   359
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   360
    val inst = map fst args ~~ types;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   361
    val subst = Term.map_type_tfree (fn (x, _) => the (assoc (inst, x)));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   362
  in
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   363
    if not (null bads) then
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   364
      err ("Ill-sorted instantiation of " ^ commas bads ^ " in")
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   365
    else (apsome (apfst (map subst)) parent, map (apsnd subst) fields, simps)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   366
  end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   367
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   368
fun add_parents thy (None, parents) = parents
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   369
  | add_parents thy (Some (types, name), parents) =
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   370
      let val (pparent, pfields, psimps) = inst_record thy (types, name)
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   371
      in add_parents thy (pparent, {name = name, fields = pfields, simps = psimps} :: parents) end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   372
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   373
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   374
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   375
(** internal theory extenders **)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   376
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   377
(* field_definitions *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   378
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   379
(*theorems from Prod.thy*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   380
val prod_convs = map Attribute.tthm_of [fst_conv, snd_conv];
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   381
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   382
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   383
fun field_definitions fields names zeta moreT more vars named_vars thy =
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   384
  let
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   385
    val base = Sign.base_name;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   386
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   387
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   388
    (* prepare declarations and definitions *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   389
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   390
    (*field types*)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   391
    fun mk_fieldT_spec c =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   392
      (suffix field_typeN c, ["'a", zeta],
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   393
        HOLogic.mk_prodT (TFree ("'a", HOLogic.termS), moreT), Syntax.NoSyn);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   394
    val fieldT_specs = map (mk_fieldT_spec o base) names;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   395
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   396
    (*field declarations*)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   397
    val field_decls = map (mk_fieldC moreT) fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   398
    val dest_decls = map (mk_fstC moreT) fields @ map (mk_sndC moreT) fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   399
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   400
    (*field constructors*)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   401
    fun mk_field_spec (c, v) =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   402
      mk_field ((c, v), more) :== HOLogic.mk_prod (v, more);
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   403
    val field_specs = map mk_field_spec named_vars;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   404
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   405
    (*field destructors*)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   406
    fun mk_dest_spec dest dest' (c, T) =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   407
      let
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   408
        val p = Free ("p", mk_fieldT ((c, T), moreT));
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   409
        val p' = Free ("p", HOLogic.mk_prodT (T, moreT));
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   410
          (*note: field types are just abbreviations*)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   411
      in dest p :== dest' p' end;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   412
    val dest_specs =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   413
      map (mk_dest_spec mk_fst HOLogic.mk_fst) fields @
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   414
      map (mk_dest_spec mk_snd HOLogic.mk_snd) fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   415
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   416
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   417
    (* prepare theorems *)
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   418
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   419
    fun mk_dest_prop dest dest' (c, v) =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   420
      dest (mk_field ((c, v), more)) === dest' (v, more);
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   421
    val dest_props =
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   422
      map (mk_dest_prop mk_fst fst) named_vars @
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   423
      map (mk_dest_prop mk_snd snd) named_vars;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   424
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   425
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   426
    (* 1st stage: defs_thy *)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   427
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   428
    val defs_thy =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   429
      thy
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   430
      |> Theory.add_tyabbrs_i fieldT_specs
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   431
      |> (Theory.add_consts_i o map (Syntax.no_syn o apfst base))
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   432
        (field_decls @ dest_decls)
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   433
      |> (PureThy.add_defs_i o map (fn x => (x, [Attribute.tag_internal])))
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   434
        (field_specs @ dest_specs);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   435
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   436
    val field_defs = get_defs defs_thy field_specs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   437
    val dest_defs = get_defs defs_thy dest_specs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   438
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   439
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   440
    (* 2nd stage: thms_thy *)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   441
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   442
    val dest_convs =
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   443
      map (prove_simp defs_thy (field_defs @ dest_defs @ prod_convs)) dest_props;
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   444
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   445
    val thms_thy =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   446
      defs_thy
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   447
      |> (PureThy.add_tthmss o map Attribute.none)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   448
        [("field_defs", field_defs),
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   449
          ("dest_defs", dest_defs),
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   450
          ("dest_convs", dest_convs)];
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   451
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   452
  in (thms_thy, dest_convs) end;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   453
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   454
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   455
(* record_definition *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   456
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   457
fun record_definition (args, bname) parent (parents: parent_info list) bfields thy =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   458
  let
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   459
    val sign = Theory.sign_of thy;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   460
    val full = Sign.full_name_path sign bname;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   461
    val base = Sign.base_name;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   462
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   463
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   464
    (* basic components *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   465
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   466
    val alphas = map fst args;
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   467
    val name = Sign.full_name sign bname;       (*not made part of record name space!*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   468
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   469
    val parent_fields = flat (map #fields parents);
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   470
    val parent_names = map fst parent_fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   471
    val parent_types = map snd parent_fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   472
    val parent_len = length parent_fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   473
    val parent_xs = variantlist (map (base o fst) parent_fields, [moreN]);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   474
    val parent_vars = ListPair.map Free (parent_xs, parent_types);
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   475
    val parent_named_vars = parent_names ~~ parent_vars;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   476
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   477
    val fields = map (apfst full) bfields;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   478
    val names = map fst fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   479
    val types = map snd fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   480
    val len = length fields;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   481
    val xs = variantlist (map fst bfields, moreN :: parent_xs);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   482
    val vars = ListPair.map Free (xs, types);
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   483
    val named_vars = names ~~ vars;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   484
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   485
    val all_fields = parent_fields @ fields;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   486
    val all_names = parent_names @ names;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   487
    val all_types = parent_types @ types;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   488
    val all_len = parent_len + len;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   489
    val all_xs = parent_xs @ xs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   490
    val all_vars = parent_vars @ vars;
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   491
    val all_named_vars = parent_named_vars @ named_vars;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   492
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   493
    val zeta = variant alphas "'z";
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   494
    val moreT = TFree (zeta, moreS);
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   495
    val more = Free (moreN, moreT);
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   496
    val full_moreN = full moreN;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   497
    fun more_part t = mk_more t full_moreN;
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   498
    fun more_part_update t x = mk_more_update t (full_moreN, x);
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   499
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   500
    val parent_more = funpow parent_len mk_snd;
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   501
    val idxs = 0 upto (len - 1);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   502
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   503
    val rec_schemeT = mk_recordT (all_fields, moreT);
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   504
    val rec_scheme = mk_record (all_named_vars, more);
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   505
    val r = Free ("r", rec_schemeT);
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   506
    val recT = mk_recordT (all_fields, HOLogic.unitT);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   507
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   508
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   509
    (* prepare print translation functions *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   510
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   511
    val accesses = distinct (flat (map NameSpace.accesses (full_moreN :: names)));
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   512
    val (_, _, tr'_names, _) = Syntax.trfun_names (Theory.syn_of thy);
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   513
    val field_tr's = filter_out (fn (c, _) => c mem tr'_names) (print_translation accesses);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   514
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   515
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   516
    (* prepare declarations *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   517
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   518
    val sel_decls = map (mk_selC rec_schemeT) bfields @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   519
      [mk_moreC rec_schemeT (moreN, moreT)];
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   520
    val update_decls = map (mk_updateC rec_schemeT) bfields @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   521
      [mk_more_updateC rec_schemeT (moreN, moreT)];
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   522
    val make_decls =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   523
      [(mk_makeC rec_schemeT (make_schemeN, all_types @ [moreT])),
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   524
       (mk_makeC recT (makeN, all_types))];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   525
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   526
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   527
    (* prepare definitions *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   528
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   529
    (*record (scheme) type abbreviation*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   530
    val recordT_specs =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   531
      [(suffix schemeN bname, alphas @ [zeta], rec_schemeT, Syntax.NoSyn),
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   532
        (bname, alphas, recT, Syntax.NoSyn)];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   533
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   534
    (*selectors*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   535
    fun mk_sel_spec (i, c) =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   536
      mk_sel r c :== mk_fst (funpow i mk_snd (parent_more r));
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   537
    val sel_specs =
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   538
      ListPair.map mk_sel_spec (idxs, names) @
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   539
        [more_part r :== funpow len mk_snd (parent_more r)];
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   540
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   541
    (*updates*)
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   542
    val all_sels = all_names ~~ map (mk_sel r) all_names;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   543
    fun mk_upd_spec (i, (c, x)) =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   544
      mk_update r (c, x) :==
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   545
        mk_record (nth_update (c, x) (parent_len + i, all_sels), more_part r)
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   546
    val update_specs =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   547
      ListPair.map mk_upd_spec (idxs, named_vars) @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   548
        [more_part_update r more :== mk_record (all_sels, more)];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   549
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   550
    (*makes*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   551
    val make_scheme = Const (mk_makeC rec_schemeT (full make_schemeN, all_types @ [moreT]));
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   552
    val make = Const (mk_makeC recT (full makeN, all_types));
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   553
    val make_specs =
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   554
      [list_comb (make_scheme, all_vars) $ more :== rec_scheme,
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   555
        list_comb (make, all_vars) :== mk_record (all_named_vars, HOLogic.unit)];
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   556
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   557
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   558
    (* prepare propositions *)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   559
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   560
    (*selectors*)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   561
    val sel_props =
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   562
      map (fn (c, x) => mk_sel rec_scheme c === x) named_vars @
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   563
        [more_part rec_scheme === more];
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   564
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   565
    (*updates*)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   566
    fun mk_upd_prop (i, (c, T)) =
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   567
      let val x' = Free (variant all_xs (base c ^ "'"), T) in
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   568
        mk_update rec_scheme (c, x') ===
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   569
          mk_record (nth_update (c, x') (parent_len + i, all_named_vars), more)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   570
      end;
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   571
    val update_props =
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   572
      ListPair.map mk_upd_prop (idxs, fields) @
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   573
        let val more' = Free (variant all_xs (moreN ^ "'"), moreT)
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   574
        in [more_part_update rec_scheme more' === mk_record (all_named_vars, more')] end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   575
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   576
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   577
    (* 1st stage: fields_thy *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   578
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   579
    val (fields_thy, field_simps) =
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   580
      thy
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   581
      |> Theory.add_path bname
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   582
      |> field_definitions fields names zeta moreT more vars named_vars;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   583
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   584
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   585
    (* 2nd stage: defs_thy *)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   586
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   587
    val defs_thy =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   588
      fields_thy
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   589
      |> Theory.parent_path
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   590
      |> Theory.add_tyabbrs_i recordT_specs     (*not made part of record name space!*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   591
      |> Theory.add_path bname
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   592
      |> Theory.add_trfuns ([], [], field_tr's, [])
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   593
      |> (Theory.add_consts_i o map Syntax.no_syn)
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   594
        (sel_decls @ update_decls @ make_decls)
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   595
      |> (PureThy.add_defs_i o map (fn x => (x, [Attribute.tag_internal])))
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   596
        (sel_specs @ update_specs @ make_specs);
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   597
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   598
    val sel_defs = get_defs defs_thy sel_specs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   599
    val update_defs = get_defs defs_thy update_specs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   600
    val make_defs = get_defs defs_thy make_specs;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   601
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   602
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   603
    (* 3rd stage: thms_thy *)
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   604
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   605
    val parent_simps = flat (map #simps parents);
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   606
    val prove = prove_simp defs_thy;
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   607
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   608
    val sel_convs = map (prove (parent_simps @ sel_defs @ field_simps)) sel_props;
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   609
    val update_convs = map (prove (parent_simps @ update_defs @ sel_convs)) update_props;
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   610
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   611
    val simps = field_simps @ sel_convs @ update_convs @ make_defs;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   612
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   613
    val thms_thy =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   614
      defs_thy
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   615
      |> (PureThy.add_tthmss o map Attribute.none)
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   616
        [("select_defs", sel_defs),
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   617
          ("update_defs", update_defs),
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   618
          ("make_defs", make_defs),
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   619
          ("select_convs", sel_convs),
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   620
          ("update_convs", update_convs)]
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   621
      |> PureThy.add_tthmss [(("simps", simps), [Simplifier.simp_add_global])];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   622
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   623
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   624
    (* 4th stage: final_thy *)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   625
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   626
    val final_thy =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   627
      thms_thy
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   628
      |> put_record name {args = args, parent = parent, fields = fields, simps = simps}
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   629
      |> Theory.parent_path;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   630
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   631
  in final_thy end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   632
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   633
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   634
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   635
(** theory extender interface **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   636
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   637
(* prepare arguments *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   638
4894
32187e0b8b48 'more' selector;
wenzelm
parents: 4890
diff changeset
   639
(*note: read_raw_typ avoids expanding type abbreviations*)
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   640
fun read_raw_parent sign s =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   641
  (case Sign.read_raw_typ (sign, K None) s handle TYPE (msg, _, _) => error msg of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   642
    Type (name, Ts) => (Ts, name)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   643
  | _ => error ("Bad parent record specification: " ^ quote s));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   644
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   645
fun read_typ sign (env, s) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   646
  let
5060
7b86df67cc1a def_sort;
wenzelm
parents: 5052
diff changeset
   647
    fun def_sort (x, ~1) = assoc (env, x)
7b86df67cc1a def_sort;
wenzelm
parents: 5052
diff changeset
   648
      | def_sort _ = None;
7b86df67cc1a def_sort;
wenzelm
parents: 5052
diff changeset
   649
    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
   650
  in (Term.add_typ_tfrees (T, env), T) end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   651
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   652
fun cert_typ sign (env, raw_T) =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   653
  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
   654
  in (Term.add_typ_tfrees (T, env), T) end;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   655
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   656
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   657
(* add_record *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   658
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   659
(*we do all preparations and error checks here, deferring the real
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   660
  work to record_definition*)
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   661
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   662
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
   663
  let
4970
8b65444edbb0 Changed require to requires for MLWorks
paulson
parents: 4967
diff changeset
   664
    val _ = Theory.requires thy "Record" "record definitions";
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   665
    val sign = Theory.sign_of thy;
4895
0fad2acb45fb misc tuning;
wenzelm
parents: 4894
diff changeset
   666
    val _ = writeln ("Defining record " ^ quote bname ^ " ...");
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   667
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   668
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   669
    (* parents *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   670
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   671
    fun prep_inst T = snd (cert_typ sign ([], T));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   672
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   673
    val parent = apsome (apfst (map prep_inst) o prep_raw_parent sign) raw_parent
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   674
      handle ERROR => error ("The error(s) above in parent record specification");
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   675
    val parents = add_parents thy (parent, []);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   676
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   677
    val init_env =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   678
      (case parent of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   679
        None => []
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   680
      | Some (types, _) => foldr Term.add_typ_tfrees (types, []));
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   681
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   682
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   683
    (* fields *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   684
4967
c9c481bc0216 foldl_map prep_field;
wenzelm
parents: 4895
diff changeset
   685
    fun prep_field (env, (c, raw_T)) =
c9c481bc0216 foldl_map prep_field;
wenzelm
parents: 4895
diff changeset
   686
      let val (env', T) = prep_typ sign (env, raw_T) handle ERROR =>
c9c481bc0216 foldl_map prep_field;
wenzelm
parents: 4895
diff changeset
   687
        error ("The error(s) above occured in field " ^ quote c)
c9c481bc0216 foldl_map prep_field;
wenzelm
parents: 4895
diff changeset
   688
      in (env', (c, T)) end;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   689
4967
c9c481bc0216 foldl_map prep_field;
wenzelm
parents: 4895
diff changeset
   690
    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
   691
    val envir_names = map fst envir;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   692
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   693
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   694
    (* args *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   695
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   696
    val defaultS = Sign.defaultS sign;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   697
    val args = map (fn x => (x, if_none (assoc (envir, x)) defaultS)) params;
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   698
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   699
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   700
    (* errors *)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   701
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   702
    val name = Sign.full_name sign bname;
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   703
    val err_dup_record =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   704
      if is_none (get_record thy name) then []
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   705
      else ["Duplicate definition of record " ^ quote name];
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   706
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   707
    val err_dup_parms =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   708
      (case duplicates params of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   709
        [] => []
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   710
      | dups => ["Duplicate parameter(s) " ^ commas dups]);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   711
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   712
    val err_extra_frees =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   713
      (case gen_rems (op =) (envir_names, params) of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   714
        [] => []
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   715
      | extras => ["Extra free type variable(s) " ^ commas extras]);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   716
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   717
    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
   718
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   719
    val err_dup_fields =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   720
      (case duplicates (map fst bfields) of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   721
        [] => []
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   722
      | dups => ["Duplicate field(s) " ^ commas_quote dups]);
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   723
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   724
    val err_bad_fields =
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   725
      if forall (not_equal moreN o fst) bfields then []
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   726
      else ["Illegal field name " ^ quote moreN];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   727
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   728
    val err_dup_sorts =
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   729
      (case duplicates envir_names of
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   730
        [] => []
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   731
      | dups => ["Inconsistent sort constraints for " ^ commas dups]);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   732
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   733
    val errs =
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   734
      err_dup_record @ err_dup_parms @ err_extra_frees @ err_no_fields @
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   735
      err_dup_fields @ err_bad_fields @ err_dup_sorts;
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   736
  in
4890
f0a24bad990a concrete syntax for record terms;
wenzelm
parents: 4867
diff changeset
   737
    if null errs then () else error (cat_lines errs);
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   738
    thy |> record_definition (args, bname) parent parents bfields
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   739
  end
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   740
  handle ERROR => error ("Failed to define record " ^ quote bname);
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   741
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   742
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
   743
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
   744
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   745
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   746
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   747
(** setup theory **)
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   748
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   749
val setup =
5006
cdc86a914e63 adapted to new theory data interface;
wenzelm
parents: 5001
diff changeset
   750
 [RecordsData.init,
5197
69c77ed95ba3 added more_update;
wenzelm
parents: 5060
diff changeset
   751
  Theory.add_trfuns ([], parse_translation, [], [])];
4867
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   752
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   753
9be2bf0ce909 package extensible records with structural subtyping in HOL -- still
wenzelm
parents:
diff changeset
   754
end;