src/HOL/Tools/typedef_package.ML
author wenzelm
Tue, 31 May 2005 11:53:17 +0200
changeset 16126 3ba9eb7ea366
parent 15570 8d8c70b41bab
child 16458 4c6fd0c01d28
permissions -rw-r--r--
fixed outer syntax: allow type_args with parentheses;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     1
(*  Title:      HOL/Tools/typedef_package.ML
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     2
    ID:         $Id$
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     3
    Author:     Markus Wenzel, TU Muenchen
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     4
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
     5
Gordon/HOL-style type definitions.
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     6
*)
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     7
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     8
signature TYPEDEF_PACKAGE =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
     9
sig
5697
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    10
  val quiet_mode: bool ref
5104
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    11
  val add_typedecls: (bstring * string list * mixfix) list -> theory -> theory
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    12
  val add_typedef_x: string -> bstring * string list * mixfix ->
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    13
    string -> string list -> thm list -> tactic option -> theory -> theory
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
    14
  val add_typedef: bool -> string option -> bstring * string list * mixfix ->
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    15
    string -> (bstring * bstring) option -> tactic -> theory -> theory *
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    16
    {type_definition: thm, set_def: thm option, Rep: thm, Rep_inverse: thm,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    17
      Abs_inverse: thm, Rep_inject: thm, Abs_inject: thm, Rep_cases: thm, Abs_cases: thm,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    18
      Rep_induct: thm, Abs_induct: thm}
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
    19
  val add_typedef_i: bool -> string option -> bstring * string list * mixfix ->
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    20
    term -> (bstring * bstring) option -> tactic -> theory -> theory *
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    21
    {type_definition: thm, set_def: thm option, Rep: thm, Rep_inverse: thm,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    22
      Abs_inverse: thm, Rep_inject: thm, Abs_inject: thm, Rep_cases: thm, Abs_cases: thm,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
    23
      Rep_induct: thm, Abs_induct: thm}
13443
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
    24
  val typedef_proof: (bool * string) * (bstring * string list * mixfix) * string
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
    25
    * (string * string) option -> bool -> theory -> ProofHistory.T
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
    26
  val typedef_proof_i: (bool * string) * (bstring * string list * mixfix) * term
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
    27
    * (string * string) option -> bool -> theory -> ProofHistory.T
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    28
  val setup: (theory -> theory) list
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    29
end;
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    30
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    31
structure TypedefPackage: TYPEDEF_PACKAGE =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    32
struct
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    33
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
    34
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    35
(** theory context references **)
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    36
11608
c760ea8154ee renamed theory "subset" to "Typedef";
wenzelm
parents: 11426
diff changeset
    37
val type_definitionN = "Typedef.type_definition";
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    38
13413
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    39
val Rep = thm "type_definition.Rep";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    40
val Rep_inverse = thm "type_definition.Rep_inverse";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    41
val Abs_inverse = thm "type_definition.Abs_inverse";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    42
val Rep_inject = thm "type_definition.Rep_inject";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    43
val Abs_inject = thm "type_definition.Abs_inject";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    44
val Rep_cases = thm "type_definition.Rep_cases";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    45
val Abs_cases = thm "type_definition.Abs_cases";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    46
val Rep_induct = thm "type_definition.Rep_induct";
0b60b9e18a26 adapted fact names;
wenzelm
parents: 12876
diff changeset
    47
val Abs_induct = thm "type_definition.Abs_induct";
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    48
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    49
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
    50
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    51
(** theory data **)
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    52
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    53
structure TypedefArgs =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    54
struct
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    55
  val name = "HOL/typedef";
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    56
  type T = (typ * typ * string * string) Symtab.table;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    57
  val empty = Symtab.empty;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    58
  val copy = I;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    59
  val prep_ext = I;
15265
a1547232fedd Added type constraint to make SML/NJ happy.
berghofe
parents: 15259
diff changeset
    60
  val merge : T * T -> T = Symtab.merge op =;
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    61
  fun print sg _ = ();
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    62
end;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    63
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    64
structure TypedefData = TheoryDataFun(TypedefArgs);
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    65
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    66
fun put_typedef newT oldT Abs_name Rep_name thy =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    67
  TypedefData.put (Symtab.update_new
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    68
    ((fst (dest_Type newT), (newT, oldT, Abs_name, Rep_name)),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    69
     TypedefData.get thy)) thy;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    70
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    71
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
    72
5104
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    73
(** type declarations **)
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    74
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    75
fun add_typedecls decls thy =
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    76
  let
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    77
    val full = Sign.full_name (Theory.sign_of thy);
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    78
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    79
    fun arity_of (raw_name, args, mx) =
12338
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
    80
      (full (Syntax.type_name raw_name mx), replicate (length args) HOLogic.typeS, HOLogic.typeS);
5104
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    81
  in
8141
d6d896e81cd7 fallback on PureThy version;
wenzelm
parents: 8100
diff changeset
    82
    if can (Theory.assert_super HOL.thy) thy then
d6d896e81cd7 fallback on PureThy version;
wenzelm
parents: 8100
diff changeset
    83
      thy
d6d896e81cd7 fallback on PureThy version;
wenzelm
parents: 8100
diff changeset
    84
      |> PureThy.add_typedecls decls
d6d896e81cd7 fallback on PureThy version;
wenzelm
parents: 8100
diff changeset
    85
      |> Theory.add_arities_i (map arity_of decls)
d6d896e81cd7 fallback on PureThy version;
wenzelm
parents: 8100
diff changeset
    86
    else thy |> PureThy.add_typedecls decls
5104
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    87
  end;
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    88
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    89
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    90
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    91
(** type definitions **)
230cca8452c7 added add_typedecls;
wenzelm
parents: 4970
diff changeset
    92
5697
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    93
(* messages *)
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    94
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    95
val quiet_mode = ref false;
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    96
fun message s = if ! quiet_mode then () else writeln s;
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    97
e816c4f1a396 quiet_mode, message;
wenzelm
parents: 5180
diff changeset
    98
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
    99
(* prove_nonempty -- tactical version *)        (*exception ERROR*)
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   100
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   101
fun prove_nonempty thy cset goal (witn1_tac, witn_names, witn_thms, witn2_tac) =
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   102
  let
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   103
    val is_def = Logic.is_equals o #prop o Thm.rep_thm;
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   104
    val thms = PureThy.get_thmss thy (map (rpair NONE) witn_names) @ witn_thms;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   105
    val tac =
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   106
      witn1_tac THEN
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   107
      TRY (rewrite_goals_tac (List.filter is_def thms)) THEN
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   108
      TRY (REPEAT_FIRST (resolve_tac (filter_out is_def thms))) THEN
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   109
      getOpt (witn2_tac, TRY (ALLGOALS (CLASET' blast_tac)));
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   110
  in
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   111
    message ("Proving non-emptiness of set " ^ quote (string_of_cterm cset) ^ " ...");
11968
859a141085d0 use Tactic.prove;
wenzelm
parents: 11827
diff changeset
   112
    Tactic.prove (Theory.sign_of thy) [] [] goal (K tac)
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   113
  end handle ERROR => error ("Failed to prove non-emptiness of " ^ quote (string_of_cterm cset));
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   114
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   115
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   116
(* prepare_typedef *)
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   117
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   118
fun read_term sg used s =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   119
  #1 (Thm.read_def_cterm (sg, K NONE, K NONE) used true (s, HOLogic.typeT));
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   120
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   121
fun cert_term sg _ t = Thm.cterm_of sg t handle TERM (msg, _) => error msg;
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   122
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   123
fun err_in_typedef name =
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   124
  error ("The error(s) above occurred in typedef " ^ quote name);
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   125
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   126
fun prepare_typedef prep_term def name (t, vs, mx) raw_set opt_morphs thy =
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   127
  let
11608
c760ea8154ee renamed theory "subset" to "Typedef";
wenzelm
parents: 11426
diff changeset
   128
    val _ = Theory.requires thy "Typedef" "typedefs";
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   129
    val sign = Theory.sign_of thy;
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   130
    val full = Sign.full_name sign;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   131
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   132
    (*rhs*)
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   133
    val full_name = full name;
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   134
    val cset = prep_term sign vs raw_set;
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   135
    val {T = setT, t = set, ...} = Thm.rep_cterm cset;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   136
    val rhs_tfrees = term_tfrees set;
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   137
    val oldT = HOLogic.dest_setT setT handle TYPE _ =>
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   138
      error ("Not a set type: " ^ quote (Sign.string_of_typ sign setT));
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   139
    fun mk_nonempty A =
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   140
      HOLogic.mk_Trueprop (HOLogic.mk_exists ("x", oldT, HOLogic.mk_mem (Free ("x", oldT), A)));
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   141
    val goal = mk_nonempty set;
11744
3a4625eaead0 'morphisms' spec;
wenzelm
parents: 11740
diff changeset
   142
    val vname = take_suffix Symbol.is_digit (Symbol.explode name)
14819
4dae1cb304a4 Library.read_int;
wenzelm
parents: 14570
diff changeset
   143
      |> apfst implode |> apsnd (#1 o Library.read_int);
11744
3a4625eaead0 'morphisms' spec;
wenzelm
parents: 11740
diff changeset
   144
    val goal_pat = mk_nonempty (Var (vname, setT));
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   145
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   146
    (*lhs*)
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   147
    val lhs_tfrees = map (fn v => (v, getOpt (assoc (rhs_tfrees, v), HOLogic.typeS))) vs;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   148
    val tname = Syntax.type_name t mx;
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   149
    val full_tname = full tname;
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   150
    val newT = Type (full_tname, map TFree lhs_tfrees);
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   151
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   152
    val (Rep_name, Abs_name) = getOpt (opt_morphs, ("Rep_" ^ name, "Abs_" ^ name));
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   153
    val setC = Const (full_name, setT);
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   154
    val RepC = Const (full Rep_name, newT --> oldT);
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   155
    val AbsC = Const (full Abs_name, oldT --> newT);
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   156
    val x_new = Free ("x", newT);
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   157
    val y_old = Free ("y", oldT);
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   158
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   159
    val set' = if def then setC else set;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   160
10280
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   161
    val typedef_name = "type_definition_" ^ name;
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   162
    val typedefC =
2626d4e37341 provide more theorems (see subset.thy);
wenzelm
parents: 9969
diff changeset
   163
      Const (type_definitionN, (newT --> oldT) --> (oldT --> newT) --> setT --> HOLogic.boolT);
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   164
    val typedef_prop =
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   165
      Logic.mk_implies (goal, HOLogic.mk_Trueprop (typedefC $ RepC $ AbsC $ set'));
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   166
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   167
    fun typedef_result (theory, nonempty) =
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   168
      theory
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   169
      |> put_typedef newT oldT (full Abs_name) (full Rep_name)
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   170
      |> add_typedecls [(t, vs, mx)]
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   171
      |> Theory.add_consts_i
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   172
       ((if def then [(name, setT, NoSyn)] else []) @
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   173
        [(Rep_name, newT --> oldT, NoSyn),
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   174
         (Abs_name, oldT --> newT, NoSyn)])
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   175
      |> (if def then (apsnd (SOME o hd) oo (PureThy.add_defs_i false o map Thm.no_attributes))
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   176
           [Logic.mk_defpair (setC, set)]
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   177
          else rpair NONE)
14570
0bf4e84bf51d finalconsts RepC AbsC;
wenzelm
parents: 13443
diff changeset
   178
      |>>> PureThy.add_axioms_i [((typedef_name, typedef_prop),
11727
a27150cc8fa5 test: use SkipProof.make_thm instead of Thm.assume;
wenzelm
parents: 11608
diff changeset
   179
          [apsnd (fn cond_axm => Drule.standard (nonempty RS cond_axm))])]
14570
0bf4e84bf51d finalconsts RepC AbsC;
wenzelm
parents: 13443
diff changeset
   180
      |>> Theory.add_finals_i false [RepC, AbsC]
0bf4e84bf51d finalconsts RepC AbsC;
wenzelm
parents: 13443
diff changeset
   181
      |> (fn (theory', (set_def, [type_definition])) =>
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   182
        let
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   183
          fun make th = Drule.standard (th OF [type_definition]);
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   184
          val (theory'', [Rep, Rep_inverse, Abs_inverse, Rep_inject, Abs_inject,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   185
              Rep_cases, Abs_cases, Rep_induct, Abs_induct]) =
12338
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
   186
            theory'
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
   187
            |> Theory.add_path name
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
   188
            |> PureThy.add_thms
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   189
              ([((Rep_name, make Rep), []),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   190
                ((Rep_name ^ "_inverse", make Rep_inverse), []),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   191
                ((Abs_name ^ "_inverse", make Abs_inverse), []),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   192
                ((Rep_name ^ "_inject", make Rep_inject), []),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   193
                ((Abs_name ^ "_inject", make Abs_inject), []),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   194
                ((Rep_name ^ "_cases", make Rep_cases),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   195
                  [RuleCases.case_names [Rep_name], InductAttrib.cases_set_global full_name]),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   196
                ((Abs_name ^ "_cases", make Abs_cases),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   197
                  [RuleCases.case_names [Abs_name], InductAttrib.cases_type_global full_tname]),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   198
                ((Rep_name ^ "_induct", make Rep_induct),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   199
                  [RuleCases.case_names [Rep_name], InductAttrib.induct_set_global full_name]),
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   200
                ((Abs_name ^ "_induct", make Abs_induct),
12338
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
   201
                  [RuleCases.case_names [Abs_name], InductAttrib.induct_type_global full_tname])])
de0f4a63baa5 renamed class "term" to "type" (actually "HOL.type");
wenzelm
parents: 12043
diff changeset
   202
            |>> Theory.parent_path;
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   203
          val result = {type_definition = type_definition, set_def = set_def,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   204
            Rep = Rep, Rep_inverse = Rep_inverse, Abs_inverse = Abs_inverse,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   205
            Rep_inject = Rep_inject, Abs_inject = Abs_inject, Rep_cases = Rep_cases,
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   206
            Abs_cases = Abs_cases, Rep_induct = Rep_induct, Abs_induct = Abs_induct};
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   207
        in ((theory'', type_definition), result) end);
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   208
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   209
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   210
    (* errors *)
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   211
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   212
    fun show_names pairs = commas_quote (map fst pairs);
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   213
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   214
    val illegal_vars =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   215
      if null (term_vars set) andalso null (term_tvars set) then []
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   216
      else ["Illegal schematic variable(s) on rhs"];
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   217
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   218
    val dup_lhs_tfrees =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   219
      (case duplicates lhs_tfrees of [] => []
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   220
      | dups => ["Duplicate type variables on lhs: " ^ show_names dups]);
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   221
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   222
    val extra_rhs_tfrees =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   223
      (case gen_rems (op =) (rhs_tfrees, lhs_tfrees) of [] => []
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   224
      | extras => ["Extra type variables on rhs: " ^ show_names extras]);
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   225
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   226
    val illegal_frees =
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   227
      (case term_frees set of [] => []
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   228
      | xs => ["Illegal variables on rhs: " ^ show_names (map dest_Free xs)]);
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   229
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   230
    val errs = illegal_vars @ dup_lhs_tfrees @ extra_rhs_tfrees @ illegal_frees;
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   231
    val _ = if null errs then () else error (cat_lines errs);
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   232
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   233
    (*test theory errors now!*)
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   234
    val test_thy = Theory.copy thy;
11727
a27150cc8fa5 test: use SkipProof.make_thm instead of Thm.assume;
wenzelm
parents: 11608
diff changeset
   235
    val _ = (test_thy,
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   236
      setmp quick_and_dirty true (SkipProof.make_thm test_thy) goal) |> typedef_result;
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   237
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   238
  in (cset, goal, goal_pat, typedef_result) end
11426
f280d4b29a2c abtract non-emptiness statements (no longer use Eps);
wenzelm
parents: 10697
diff changeset
   239
  handle ERROR => err_in_typedef name;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   240
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   241
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   242
(* add_typedef interfaces *)
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   243
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   244
fun gen_typedef prep_term def name typ set opt_morphs tac1 names thms tac2 thy =
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   245
  let
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   246
    val (cset, goal, _, typedef_result) =
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   247
      prepare_typedef prep_term def name typ set opt_morphs thy;
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   248
    val non_empty = prove_nonempty thy cset goal (tac1, names, thms, tac2);
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   249
    val ((thy', _), result) = (thy, non_empty) |> typedef_result;
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   250
  in (thy', result) end;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   251
11827
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   252
fun sane_typedef prep_term def opt_name typ set opt_morphs tac =
16ef206e6648 sane internal interface for add_typedef(_i);
wenzelm
parents: 11822
diff changeset
   253
  gen_typedef prep_term def
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   254
    (getOpt (opt_name, #1 typ)) typ set opt_morphs all_tac [] [] (SOME tac);
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   255
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   256
fun add_typedef_x name typ set names thms tac =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   257
  #1 o gen_typedef read_term true name typ set NONE (Tactic.rtac exI 1) names thms tac;
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   258
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   259
val add_typedef = sane_typedef read_term;
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   260
val add_typedef_i = sane_typedef cert_term;
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   261
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   262
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   263
(* typedef_proof interface *)
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   264
13443
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
   265
fun gen_typedef_proof prep_term ((def, name), typ, set, opt_morphs) int thy =
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   266
  let
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   267
    val (_, goal, goal_pat, att_result) =
13443
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
   268
      prepare_typedef prep_term def name typ set opt_morphs thy;
11822
122834177ec1 improved internal interface of typedef;
wenzelm
parents: 11807
diff changeset
   269
    val att = #1 o att_result;
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   270
  in thy |> IsarThy.theorem_i Drule.internalK (("", [att]), (goal, ([goal_pat], []))) int end;
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   271
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   272
val typedef_proof = gen_typedef_proof read_term;
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   273
val typedef_proof_i = gen_typedef_proof cert_term;
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   274
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   275
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   276
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   277
(** trivial code generator **)
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   278
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   279
fun typedef_codegen thy gr dep brack t =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   280
  let
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   281
    fun mk_fun s T ts =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   282
      let
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   283
        val (gr', _) = Codegen.invoke_tycodegen thy dep false (gr, T);
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   284
        val (gr'', ps) =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   285
          foldl_map (Codegen.invoke_codegen thy dep true) (gr', ts);
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   286
        val id = Codegen.mk_const_id (sign_of thy) s
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   287
      in SOME (gr'', Codegen.mk_app brack (Pretty.str id) ps) end;
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   288
    fun get_name (Type (tname, _)) = tname
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   289
      | get_name _ = "";
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   290
    fun lookup f T = getOpt (Option.map f (Symtab.lookup
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   291
      (TypedefData.get thy, get_name T)), "")
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   292
  in
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   293
    (case strip_comb t of
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   294
       (Const (s, Type ("fun", [T, U])), ts) =>
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   295
         if lookup #4 T = s andalso
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   296
           is_none (Codegen.get_assoc_type thy (get_name T))
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   297
         then mk_fun s T ts
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   298
         else if lookup #3 U = s andalso
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   299
           is_none (Codegen.get_assoc_type thy (get_name U))
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   300
         then mk_fun s U ts
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   301
         else NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   302
     | _ => NONE)
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   303
  end;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   304
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   305
fun mk_tyexpr [] s = Pretty.str s
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   306
  | mk_tyexpr [p] s = Pretty.block [p, Pretty.str (" " ^ s)]
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   307
  | mk_tyexpr ps s = Pretty.list "(" (") " ^ s) ps;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   308
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   309
fun typedef_tycodegen thy gr dep brack (Type (s, Ts)) =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   310
      (case Symtab.lookup (TypedefData.get thy, s) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   311
         NONE => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   312
       | SOME (newT as Type (tname, Us), oldT, Abs_name, Rep_name) =>
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   313
           if isSome (Codegen.get_assoc_type thy tname) then NONE else
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   314
           let
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   315
             val sg = sign_of thy;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   316
             val Abs_id = Codegen.mk_const_id sg Abs_name;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   317
             val Rep_id = Codegen.mk_const_id sg Rep_name;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   318
             val ty_id = Codegen.mk_type_id sg s;
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   319
             val (gr', qs) = foldl_map
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   320
               (Codegen.invoke_tycodegen thy dep (length Ts = 1)) (gr, Ts);
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   321
             val gr'' = Graph.add_edge (Abs_id, dep) gr' handle Graph.UNDEF _ =>
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   322
               let
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   323
                 val (gr'', p :: ps) = foldl_map
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   324
                   (Codegen.invoke_tycodegen thy Abs_id false)
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   325
                   (Graph.add_edge (Abs_id, dep)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   326
                      (Graph.new_node (Abs_id, (NONE, "")) gr'), oldT :: Us);
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   327
                 val s =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   328
                   Pretty.string_of (Pretty.block [Pretty.str "datatype ",
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   329
                     mk_tyexpr ps ty_id,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   330
                     Pretty.str " =", Pretty.brk 1, Pretty.str (Abs_id ^ " of"),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   331
                     Pretty.brk 1, p, Pretty.str ";"]) ^ "\n\n" ^
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   332
                   Pretty.string_of (Pretty.block [Pretty.str ("fun " ^ Rep_id),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   333
                     Pretty.brk 1, Pretty.str ("(" ^ Abs_id), Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   334
                     Pretty.str "x) = x;"]) ^ "\n\n" ^
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   335
                   (if "term_of" mem !Codegen.mode then
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   336
                      Pretty.string_of (Pretty.block [Pretty.str "fun ",
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   337
                        Codegen.mk_term_of sg false newT, Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   338
                        Pretty.str ("(" ^ Abs_id), Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   339
                        Pretty.str "x) =", Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   340
                        Pretty.block [Pretty.str ("Const (\"" ^ Abs_name ^ "\","),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   341
                          Pretty.brk 1, Codegen.mk_type false (oldT --> newT),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   342
                          Pretty.str ")"], Pretty.str " $", Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   343
                        Codegen.mk_term_of sg false oldT, Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   344
                        Pretty.str "x;"]) ^ "\n\n"
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   345
                    else "") ^
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   346
                   (if "test" mem !Codegen.mode then
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   347
                      Pretty.string_of (Pretty.block [Pretty.str "fun ",
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   348
                        Codegen.mk_gen sg false [] "" newT, Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   349
                        Pretty.str "i =", Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   350
                        Pretty.block [Pretty.str (Abs_id ^ " ("),
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   351
                          Codegen.mk_gen sg false [] "" oldT, Pretty.brk 1,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   352
                          Pretty.str "i);"]]) ^ "\n\n"
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   353
                    else "")
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   354
               in Graph.map_node Abs_id (K (NONE, s)) gr'' end
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   355
           in
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   356
             SOME (gr'', mk_tyexpr qs ty_id)
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   357
           end)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15457
diff changeset
   358
  | typedef_tycodegen thy gr dep brack _ = NONE;
15259
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   359
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   360
val setup =
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   361
  [TypedefData.init,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   362
   Codegen.add_codegen "typedef" typedef_codegen,
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   363
   Codegen.add_tycodegen "typedef" typedef_tycodegen];
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   364
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   365
6aa593317905 Added simple code generator.
berghofe
parents: 14981
diff changeset
   366
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   367
(** outer syntax **)
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   368
6723
f342449d73ca outer syntax keyword classification;
wenzelm
parents: 6690
diff changeset
   369
local structure P = OuterParse and K = OuterSyntax.Keyword in
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   370
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   371
val typedeclP =
12624
9ed65232429c tuned msg;
wenzelm
parents: 12338
diff changeset
   372
  OuterSyntax.command "typedecl" "type declaration (HOL)" K.thy_decl
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   373
    (P.type_args -- P.name -- P.opt_infix >> (fn ((vs, t), mx) =>
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   374
      Toplevel.theory (add_typedecls [(t, vs, mx)])));
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   375
6723
f342449d73ca outer syntax keyword classification;
wenzelm
parents: 6690
diff changeset
   376
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   377
val typedef_proof_decl =
16126
3ba9eb7ea366 fixed outer syntax: allow type_args with parentheses;
wenzelm
parents: 15570
diff changeset
   378
  Scan.optional (P.$$$ "(" |--
3ba9eb7ea366 fixed outer syntax: allow type_args with parentheses;
wenzelm
parents: 15570
diff changeset
   379
      ((P.$$$ "open" >> K false) -- Scan.option P.name || P.name >> (fn s => (true, SOME s)))
3ba9eb7ea366 fixed outer syntax: allow type_args with parentheses;
wenzelm
parents: 15570
diff changeset
   380
        --| P.$$$ ")") (true, NONE) --
11744
3a4625eaead0 'morphisms' spec;
wenzelm
parents: 11740
diff changeset
   381
    (P.type_args -- P.name) -- P.opt_infix -- (P.$$$ "=" |-- P.term) --
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   382
    Scan.option (P.$$$ "morphisms" |-- P.!!! (P.name -- P.name));
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   383
13443
1c3327c348b3 typedef: "open" option;
wenzelm
parents: 13413
diff changeset
   384
fun mk_typedef_proof ((((((def, opt_name), (vs, t)), mx), A), morphs)) =
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15531
diff changeset
   385
  typedef_proof ((def, getOpt (opt_name, Syntax.type_name t mx)), (t, vs, mx), A, morphs);
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   386
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   387
val typedefP =
6723
f342449d73ca outer syntax keyword classification;
wenzelm
parents: 6690
diff changeset
   388
  OuterSyntax.command "typedef" "HOL type definition (requires non-emptiness proof)" K.thy_goal
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   389
    (typedef_proof_decl >> (Toplevel.print oo (Toplevel.theory_to_proof o mk_typedef_proof)));
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   390
6723
f342449d73ca outer syntax keyword classification;
wenzelm
parents: 6690
diff changeset
   391
11744
3a4625eaead0 'morphisms' spec;
wenzelm
parents: 11740
diff changeset
   392
val _ = OuterSyntax.add_keywords ["morphisms"];
6357
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   393
val _ = OuterSyntax.add_parsers [typedeclP, typedefP];
12448b8f92fb named witnesses: PureThy.get_thmss;
wenzelm
parents: 6092
diff changeset
   394
4866
72a46bd00c8d renamed from typedef.ML;
wenzelm
parents:
diff changeset
   395
end;
6383
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   396
45bb139e6ceb actually check non-emptiness theorem;
wenzelm
parents: 6357
diff changeset
   397
end;