src/Pure/axclass.ML
author wenzelm
Tue, 12 Feb 2002 20:28:27 +0100
changeset 12876 a70df1e5bf10
parent 12694 9950c1ce9d24
child 14605 9de4d64eee3b
permissions -rw-r--r--
got rid of explicit marginal comments (now stripped earlier from input);
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/axclass.ML
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     2
    ID:         $Id$
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     3
    Author:     Markus Wenzel, TU Muenchen
11539
0f17da240450 tuned headers;
wenzelm
parents: 11353
diff changeset
     4
    License:    GPL (GNU GENERAL PUBLIC LICENSE)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     5
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
     6
Axiomatic type class package.
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     7
*)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     8
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
     9
signature AX_CLASS =
3938
c20fbe3cb94f fixed types of add_XXX;
wenzelm
parents: 3854
diff changeset
    10
sig
5685
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    11
  val quiet_mode: bool ref
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    12
  val print_axclasses: theory -> unit
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
    13
  val add_classrel_thms: thm list -> theory -> theory
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
    14
  val add_arity_thms: thm list -> theory -> theory
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    15
  val add_axclass: bclass * xclass list -> ((bstring * string) * Args.src list) list
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    16
    -> theory -> theory * {intro: thm, axioms: thm list}
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    17
  val add_axclass_i: bclass * class list -> ((bstring * term) * theory attribute list) list
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    18
    -> theory -> theory * {intro: thm, axioms: thm list}
11828
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    19
  val add_inst_subclass_x: xclass * xclass -> string list -> thm list
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
    20
    -> tactic option -> theory -> theory
11828
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    21
  val add_inst_subclass: xclass * xclass -> tactic -> theory -> theory
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    22
  val add_inst_subclass_i: class * class -> tactic -> theory -> theory
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    23
  val add_inst_arity_x: xstring * string list * string -> string list
3938
c20fbe3cb94f fixed types of add_XXX;
wenzelm
parents: 3854
diff changeset
    24
    -> thm list -> tactic option -> theory -> theory
11828
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    25
  val add_inst_arity: xstring * string list * string -> tactic -> theory -> theory
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
    26
  val add_inst_arity_i: string * sort list * sort -> tactic -> theory -> theory
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
    27
  val default_intro_classes_tac: thm list -> int -> tactic
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    28
  val axclass_tac: thm list -> tactic
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
    29
  val instance_subclass_proof: xclass * xclass -> bool -> theory -> ProofHistory.T
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
    30
  val instance_subclass_proof_i: class * class -> bool -> theory -> ProofHistory.T
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
    31
  val instance_arity_proof: xstring * string list * xclass -> bool -> theory -> ProofHistory.T
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
    32
  val instance_arity_proof_i: string * sort list * class -> bool -> theory -> ProofHistory.T
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    33
  val setup: (theory -> theory) list
3938
c20fbe3cb94f fixed types of add_XXX;
wenzelm
parents: 3854
diff changeset
    34
end;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    35
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
    36
structure AxClass : AX_CLASS =
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    37
struct
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    38
4015
92874142156b add_store_axioms_i;
wenzelm
parents: 3988
diff changeset
    39
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    40
(** utilities **)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    41
5685
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    42
(* messages *)
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    43
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    44
val quiet_mode = ref false;
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    45
fun message s = if ! quiet_mode then () else writeln s;
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    46
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
    47
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    48
(* type vars *)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    49
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    50
fun map_typ_frees f (Type (t, tys)) = Type (t, map (map_typ_frees f) tys)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    51
  | map_typ_frees f (TFree a) = f a
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    52
  | map_typ_frees _ a = a;
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    53
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    54
val map_term_tfrees = map_term_types o map_typ_frees;
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    55
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    56
fun aT S = TFree ("'a", S);
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    57
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    58
fun dest_varT (TFree (x, S)) = ((x, ~1), S)
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    59
  | dest_varT (TVar xi_S) = xi_S
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
    60
  | dest_varT T = raise TYPE ("dest_varT", [T], []);
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    61
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    62
886
9af08725600b instance: now automatically includes defs of current thy node as witnesses;
wenzelm
parents: 638
diff changeset
    63
(* get axioms and theorems *)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    64
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
    65
val is_def = Logic.is_equals o #prop o rep_thm;
886
9af08725600b instance: now automatically includes defs of current thy node as witnesses;
wenzelm
parents: 638
diff changeset
    66
4934
683eae4b5d0f witnesses: lookup stored thms instead of axioms;
wenzelm
parents: 4917
diff changeset
    67
fun witnesses thy names thms =
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    68
  PureThy.get_thmss thy names @ thms @ filter is_def (map snd (axioms_of thy));
886
9af08725600b instance: now automatically includes defs of current thy node as witnesses;
wenzelm
parents: 638
diff changeset
    69
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    70
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
    71
560
6702a715281d cleaned sig;
wenzelm
parents: 487
diff changeset
    72
(** abstract syntax operations **)
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    73
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    74
(* names *)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    75
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    76
fun intro_name c = c ^ "I";
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    77
val introN = "intro";
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    78
val axiomsN = "axioms";
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    79
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    80
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    81
(* subclass relations as terms *)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    82
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
    83
fun mk_classrel (c1, c2) = Logic.mk_inclass (aT [c1], c2);
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    84
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    85
fun dest_classrel tm =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    86
  let
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
    87
    fun err () = raise TERM ("dest_classrel", [tm]);
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    88
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    89
    val (ty, c2) = Logic.dest_inclass tm handle TERM _ => err ();
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    90
    val c1 = (case dest_varT ty of (_, [c]) => c | _ => err ())
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
    91
      handle TYPE _ => err ();
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
    92
  in (c1, c2) end;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    93
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    94
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    95
(* arities as terms *)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    96
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    97
fun mk_arity (t, ss, c) =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
    98
  let
12493
de2575b6cd38 Term.invent_type_names;
wenzelm
parents: 12371
diff changeset
    99
    val tfrees = ListPair.map TFree (Term.invent_type_names [] (length ss), ss);
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   100
  in Logic.mk_inclass (Type (t, tfrees), c) end;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   101
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   102
fun dest_arity tm =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   103
  let
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
   104
    fun err () = raise TERM ("dest_arity", [tm]);
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   105
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
   106
    val (ty, c) = Logic.dest_inclass tm handle TERM _ => err ();
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
   107
    val (t, tvars) =
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   108
      (case ty of
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
   109
        Type (t, tys) => (t, map dest_varT tys handle TYPE _ => err ())
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   110
      | _ => err ());
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   111
    val ss =
3395
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
   112
      if null (gen_duplicates eq_fst tvars)
d8700b008944 eliminated freeze_vars;
wenzelm
parents: 2961
diff changeset
   113
      then map snd tvars else err ();
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   114
  in (t, ss, c) end;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   115
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   116
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   117
560
6702a715281d cleaned sig;
wenzelm
parents: 487
diff changeset
   118
(** add theorems as axioms **)
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   119
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   120
fun prep_thm_axm thy thm =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   121
  let
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   122
    fun err msg = raise THM ("prep_thm_axm: " ^ msg, 0, [thm]);
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   123
1237
45ac644b0052 adapted to new version of shyps-stuff;
wenzelm
parents: 1217
diff changeset
   124
    val {sign, hyps, prop, ...} = rep_thm thm;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   125
  in
6390
5d58c100ca3f qualify Theory.sign_of etc.;
wenzelm
parents: 6379
diff changeset
   126
    if not (Sign.subsig (sign, Theory.sign_of thy)) then
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   127
      err "theorem not of same theory"
1237
45ac644b0052 adapted to new version of shyps-stuff;
wenzelm
parents: 1217
diff changeset
   128
    else if not (null (extra_shyps thm)) orelse not (null hyps) then
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   129
      err "theorem may not contain hypotheses"
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   130
    else prop
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   131
  end;
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   132
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   133
(*theorems expressing class relations*)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   134
fun add_classrel_thms thms thy =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   135
  let
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   136
    fun prep_thm thm =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   137
      let
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   138
        val prop = prep_thm_axm thy thm;
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   139
        val (c1, c2) = dest_classrel prop handle TERM _ =>
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   140
          raise THM ("add_classrel_thms: theorem is not a class relation", 0, [thm]);
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   141
      in (c1, c2) end;
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   142
  in Theory.add_classrel_i (map prep_thm thms) thy end;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   143
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   144
(*theorems expressing arities*)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   145
fun add_arity_thms thms thy =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   146
  let
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   147
    fun prep_thm thm =
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   148
      let
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   149
        val prop = prep_thm_axm thy thm;
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   150
        val (t, ss, c) = dest_arity prop handle TERM _ =>
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   151
          raise THM ("add_arity_thms: theorem is not an arity", 0, [thm]);
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   152
      in (t, ss, [c]) end;
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   153
  in Theory.add_arities_i (map prep_thm thms) thy end;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   154
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   155
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   156
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   157
(** axclass info **)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   158
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   159
(* data kind 'Pure/axclasses' *)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   160
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   161
type axclass_info =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   162
  {super_classes: class list,
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   163
    intro: thm,
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   164
    axioms: thm list};
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   165
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   166
structure AxclassesArgs =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   167
struct
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   168
  val name = "Pure/axclasses";
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   169
  type T = axclass_info Symtab.table;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   170
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   171
  val empty = Symtab.empty;
6546
995a66249a9b theory data: copy;
wenzelm
parents: 6390
diff changeset
   172
  val copy = I;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   173
  val prep_ext = I;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   174
  fun merge (tab1, tab2) = Symtab.merge (K true) (tab1, tab2);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   175
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   176
  fun print sg tab =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   177
    let
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   178
      val ext_class = Sign.cond_extern sg Sign.classK;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   179
      val ext_thm = PureThy.cond_extern_thm_sg sg;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   180
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   181
      fun pretty_class c cs = Pretty.block
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   182
        (Pretty.str (ext_class c) :: Pretty.str " <" :: Pretty.brk 1 ::
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   183
          Pretty.breaks (map (Pretty.str o ext_class) cs));
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   184
10008
61eb9f3aa92a Display.pretty_thm_sg;
wenzelm
parents: 8927
diff changeset
   185
      fun pretty_thms name thms = Pretty.big_list (name ^ ":")
61eb9f3aa92a Display.pretty_thm_sg;
wenzelm
parents: 8927
diff changeset
   186
        (map (Display.pretty_thm_sg sg) thms);
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   187
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   188
      fun pretty_axclass (name, {super_classes, intro, axioms}) = Pretty.block (Pretty.fbreaks
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   189
        [pretty_class name super_classes, pretty_thms introN [intro], pretty_thms axiomsN axioms]);
8720
840c75ab2a7f Pretty.chunks;
wenzelm
parents: 8716
diff changeset
   190
    in Pretty.writeln (Pretty.chunks (map pretty_axclass (Symtab.dest tab))) end;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   191
end;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   192
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   193
structure AxclassesData = TheoryDataFun(AxclassesArgs);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   194
val print_axclasses = AxclassesData.print;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   195
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   196
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   197
(* get and put data *)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   198
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   199
fun lookup_axclass_info_sg sg c = Symtab.lookup (AxclassesData.get_sg sg, c);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   200
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   201
fun get_axclass_info thy c =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   202
  (case lookup_axclass_info_sg (Theory.sign_of thy) c of
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   203
    None => error ("Unknown axclass " ^ quote c)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   204
  | Some info => info);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   205
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   206
fun put_axclass_info c info thy =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   207
  thy |> AxclassesData.put (Symtab.update ((c, info), AxclassesData.get thy));
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   208
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   209
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   210
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   211
(** add axiomatic type classes **)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   212
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   213
(* errors *)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   214
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   215
fun err_not_logic c =
4917
7c22890a7a9b tuned msg;
wenzelm
parents: 4845
diff changeset
   216
  error ("Axiomatic class " ^ quote c ^ " not subclass of " ^ quote logicC);
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   217
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   218
fun err_bad_axsort ax c =
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   219
  error ("Sort constraint in axiom " ^ quote ax ^ " not supersort of " ^ quote c);
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   220
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   221
fun err_bad_tfrees ax =
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   222
  error ("More than one type variable in axiom " ^ quote ax);
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   223
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   224
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   225
(* ext_axclass *)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   226
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   227
fun ext_axclass prep_class prep_axm prep_att (bclass, raw_super_classes) raw_axioms_atts thy =
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   228
  let
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   229
    val sign = Theory.sign_of thy;
3938
c20fbe3cb94f fixed types of add_XXX;
wenzelm
parents: 3854
diff changeset
   230
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   231
    val class = Sign.full_name sign bclass;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   232
    val super_classes = map (prep_class sign) raw_super_classes;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   233
    val axms = map (prep_axm sign o fst) raw_axioms_atts;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   234
    val atts = map (map (prep_att thy) o snd) raw_axioms_atts;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   235
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   236
    (*declare class*)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   237
    val class_thy =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   238
      thy |> Theory.add_classes_i [(bclass, super_classes)];
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   239
    val class_sign = Theory.sign_of class_thy;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   240
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   241
    (*prepare abstract axioms*)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   242
    fun abs_axm ax =
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   243
      if null (term_tfrees ax) then
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
   244
        Logic.mk_implies (Logic.mk_inclass (aT logicS, class), ax)
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
   245
      else map_term_tfrees (K (aT [class])) ax;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   246
    val abs_axms = map (abs_axm o #2) axms;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   247
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   248
    (*prepare introduction rule*)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   249
    val _ = if Sign.subsort class_sign ([class], logicS) then () else err_not_logic class;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   250
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   251
    fun axm_sort (name, ax) =
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   252
      (case term_tfrees ax of
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   253
        [] => []
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   254
      | [(_, S)] => if Sign.subsort class_sign ([class], S) then S else err_bad_axsort name class
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   255
      | _ => err_bad_tfrees name);
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   256
    val axS = Sign.norm_sort class_sign (logicC :: flat (map axm_sort axms));
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   257
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
   258
    val int_axm = Logic.close_form o map_term_tfrees (K (aT axS));
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
   259
    fun inclass c = Logic.mk_inclass (aT axS, c);
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   260
1498
7b7d20e89b1b Elimination of fully-functorial style.
paulson
parents: 1237
diff changeset
   261
    val intro_axm = Logic.list_implies
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   262
      (map inclass super_classes @ map (int_axm o #2) axms, inclass class);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   263
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   264
    (*declare axioms and rule*)
8420
f37fd19476ca adapted to new PureThy.add_thms etc.;
wenzelm
parents: 7351
diff changeset
   265
    val (axms_thy, ([intro], [axioms])) =
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   266
      class_thy
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   267
      |> Theory.add_path bclass
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   268
      |> PureThy.add_axioms_i [Thm.no_attributes (introN, intro_axm)]
8420
f37fd19476ca adapted to new PureThy.add_thms etc.;
wenzelm
parents: 7351
diff changeset
   269
      |>>> PureThy.add_axiomss_i [Thm.no_attributes (axiomsN, abs_axms)];
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   270
    val info = {super_classes = super_classes, intro = intro, axioms = axioms};
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   271
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   272
    (*store info*)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   273
    val final_thy =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   274
      axms_thy
8420
f37fd19476ca adapted to new PureThy.add_thms etc.;
wenzelm
parents: 7351
diff changeset
   275
      |> (#1 o PureThy.add_thms ((map #1 axms ~~ axioms) ~~ atts))
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   276
      |> Theory.parent_path
8420
f37fd19476ca adapted to new PureThy.add_thms etc.;
wenzelm
parents: 7351
diff changeset
   277
      |> (#1 o PureThy.add_thms [Thm.no_attributes (intro_name bclass, intro)])
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   278
      |> put_axclass_info class info;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   279
  in (final_thy, {intro = intro, axioms = axioms}) end;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   280
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   281
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   282
(* external interfaces *)
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   283
6390
5d58c100ca3f qualify Theory.sign_of etc.;
wenzelm
parents: 6379
diff changeset
   284
val add_axclass = ext_axclass Sign.intern_class Theory.read_axm Attrib.global_attribute;
5d58c100ca3f qualify Theory.sign_of etc.;
wenzelm
parents: 6379
diff changeset
   285
val add_axclass_i = ext_axclass (K I) Theory.cert_axm (K I);
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   286
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   287
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   288
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   289
(** prove class relations and type arities **)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   290
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   291
(* class_axms *)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   292
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   293
fun class_axms sign =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   294
  let val classes = Sign.classes sign in
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   295
    map (Thm.class_triv sign) classes @
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   296
    mapfilter (apsome #intro o lookup_axclass_info_sg sign) classes
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   297
  end;
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   298
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   299
7351
1e485129fbc1 expand_classes renamed to intro_classes;
wenzelm
parents: 6935
diff changeset
   300
(* intro_classes *)
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   301
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   302
fun intro_classes_tac facts i st =
10507
ea5de7c64c23 Tactic.distinct_subgoals_tac moved to internal intro_classes_tac;
wenzelm
parents: 10493
diff changeset
   303
  ((Method.insert_tac facts THEN'
ea5de7c64c23 Tactic.distinct_subgoals_tac moved to internal intro_classes_tac;
wenzelm
parents: 10493
diff changeset
   304
    REPEAT_ALL_NEW (resolve_tac (class_axms (Thm.sign_of_thm st)))) i
ea5de7c64c23 Tactic.distinct_subgoals_tac moved to internal intro_classes_tac;
wenzelm
parents: 10493
diff changeset
   305
    THEN Tactic.distinct_subgoals_tac) st;    (*affects all subgoals!?*)
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   306
7351
1e485129fbc1 expand_classes renamed to intro_classes;
wenzelm
parents: 6935
diff changeset
   307
val intro_classes_method =
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   308
  ("intro_classes", Method.no_args (Method.METHOD (HEADGOAL o intro_classes_tac)),
7351
1e485129fbc1 expand_classes renamed to intro_classes;
wenzelm
parents: 6935
diff changeset
   309
    "back-chain introduction rules of axiomatic type classes");
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   310
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   311
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   312
(* default method *)
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   313
10507
ea5de7c64c23 Tactic.distinct_subgoals_tac moved to internal intro_classes_tac;
wenzelm
parents: 10493
diff changeset
   314
fun default_intro_classes_tac [] i = intro_classes_tac [] i
10493
76e05ec87b57 default_intro_classes_tac: Tactic.distinct_subgoals_tac;
wenzelm
parents: 10463
diff changeset
   315
  | default_intro_classes_tac _ _ = Tactical.no_tac;    (*no error message!*)
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   316
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   317
fun default_tac rules ctxt facts =
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   318
  HEADGOAL (Method.some_rule_tac rules ctxt facts ORELSE' default_intro_classes_tac facts);
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   319
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   320
val default_method =
12371
wenzelm
parents: 12311
diff changeset
   321
  ("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), "apply some intro/elim rule");
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   322
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   323
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   324
(* axclass_tac *)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   325
487
af83700cb771 added experimental add_defns (actually should be moved somewhere else);
wenzelm
parents: 474
diff changeset
   326
(*(1) repeatedly resolve goals of form "OFCLASS(ty, c_class)",
1217
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   327
      try class_trivs first, then "cI" axioms
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   328
  (2) rewrite goals using user supplied definitions
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   329
  (3) repeatedly resolve goals with user supplied non-definitions*)
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   330
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   331
fun axclass_tac thms =
1217
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   332
  let
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   333
    val defs = filter is_def thms;
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   334
    val non_defs = filter_out is_def thms;
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   335
  in
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   336
    HEADGOAL (intro_classes_tac []) THEN
1217
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   337
    TRY (rewrite_goals_tac defs) THEN
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   338
    TRY (REPEAT_FIRST (fn i => assume_tac i ORELSE resolve_tac non_defs i))
f96a04c6b352 modified prep_thm_axm to handle shyps;
wenzelm
parents: 1201
diff changeset
   339
  end;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   340
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   341
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   342
(* provers *)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   343
11969
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   344
fun prove mk_prop str_of sign prop thms usr_tac =
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   345
  (Tactic.prove sign [] [] (mk_prop prop) (K (axclass_tac thms THEN (if_none usr_tac all_tac)))
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   346
    handle ERROR => error ("The error(s) above occurred while trying to prove " ^
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   347
     quote (str_of sign prop))) |> Drule.standard;
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   348
638
7f25cc9067e7 prove_subclass, prove_arity now exported;
wenzelm
parents: 560
diff changeset
   349
val prove_subclass =
11969
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   350
  prove mk_classrel (fn sg => fn c1_c2 => Sign.str_of_classrel sg c1_c2);
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   351
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   352
val prove_arity =
11969
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   353
  prove mk_arity (fn sg => fn (t, Ss, c) => Sign.str_of_arity sg (t, Ss, [c]));
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   354
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   355
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   356
449
75ac32497f09 various minor changes (names and comments);
wenzelm
parents: 423
diff changeset
   357
(** add proved subclass relations and arities **)
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   358
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   359
(* prepare classes and arities *)
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   360
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   361
fun read_class sg c = Sign.certify_class sg (Sign.intern_class sg c);
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   362
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   363
fun cert_classrel sg cc = Library.pairself (Sign.certify_class sg) cc;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   364
fun read_classrel sg cc = Library.pairself (read_class sg) cc;
3949
c60ff6d0a6b8 fixed goal_XXX;
wenzelm
parents: 3938
diff changeset
   365
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   366
fun check_tycon sg t =
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   367
  let val {tycons, abbrs, ...} = Type.rep_tsig (Sign.tsig_of sg) in
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   368
    if is_some (Symtab.lookup (abbrs, t)) then
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   369
      error ("Illegal type abbreviation: " ^ quote t)
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   370
    else if is_none (Symtab.lookup (tycons, t)) then
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   371
      error ("Undeclared type constructor: " ^ quote t)
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   372
    else t
8716
49ac76cf0d54 intrn_arity: reject type abbreviations;
wenzelm
parents: 8671
diff changeset
   373
  end;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   374
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   375
fun prep_arity prep_tycon prep_sort prep_x sg (t, Ss, x) =
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   376
  (check_tycon sg (prep_tycon sg t), map (prep_sort sg) Ss, prep_x sg x);
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   377
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   378
val read_arity = prep_arity Sign.intern_tycon Sign.read_sort Sign.read_sort;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   379
val cert_arity = prep_arity (K I) Sign.certify_sort Sign.certify_sort;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   380
val read_simple_arity = prep_arity Sign.intern_tycon Sign.read_sort Sign.intern_class;
8927
1cf815412d78 eta-expanded to handle value polymorphism
paulson
parents: 8897
diff changeset
   381
fun cert_simple_arity arg = prep_arity (K I) Sign.certify_sort (K I) arg;
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   382
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   383
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   384
(* old-style instance declarations *)
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   385
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   386
fun ext_inst_subclass prep_classrel raw_c1_c2 names thms usr_tac thy =
11969
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   387
  let
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   388
    val sign = Theory.sign_of thy;
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   389
    val c1_c2 = prep_classrel sign raw_c1_c2;
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   390
  in
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   391
    message ("Proving class inclusion " ^ quote (Sign.str_of_classrel sign c1_c2) ^ " ...");
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   392
    thy |> add_classrel_thms [prove_subclass sign c1_c2 (witnesses thy names thms) usr_tac]
3788
51bd5c0954c6 eliminated raise_term, raise_typ;
wenzelm
parents: 3764
diff changeset
   393
  end;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   394
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   395
fun ext_inst_arity prep_arity (raw_t, raw_Ss, raw_cs) names thms usr_tac thy =
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   396
  let
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   397
    val sign = Theory.sign_of thy;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   398
    val (t, Ss, cs) = prep_arity sign (raw_t, raw_Ss, raw_cs);
4934
683eae4b5d0f witnesses: lookup stored thms instead of axioms;
wenzelm
parents: 4917
diff changeset
   399
    val wthms = witnesses thy names thms;
423
a42892e72854 (beta release)
wenzelm
parents: 404
diff changeset
   400
    fun prove c =
5685
1e5b4c66317f quiet_mode, message;
wenzelm
parents: 4934
diff changeset
   401
     (message ("Proving type arity " ^
3854
762606a888fe uses Sign.str_of_classrel, Sign.str_of_arity, Sign.str_of_arity;
wenzelm
parents: 3809
diff changeset
   402
        quote (Sign.str_of_arity sign (t, Ss, [c])) ^ " ...");
11969
c850db2e2e98 removed obsolete goal_subclass, goal_arity;
wenzelm
parents: 11828
diff changeset
   403
        prove_arity sign (t, Ss, c) wthms usr_tac);
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   404
  in add_arity_thms (map prove cs) thy end;
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   405
11828
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   406
fun sane_inst_subclass prep sub tac = ext_inst_subclass prep sub [] [] (Some tac);
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   407
fun sane_inst_arity prep arity tac = ext_inst_arity prep arity [] [] (Some tac);
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   408
11828
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   409
val add_inst_subclass_x = ext_inst_subclass read_classrel;
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   410
val add_inst_subclass = sane_inst_subclass read_classrel;
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   411
val add_inst_subclass_i = sane_inst_subclass cert_classrel;
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   412
val add_inst_arity_x = ext_inst_arity read_arity;
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   413
val add_inst_arity = sane_inst_arity read_arity;
ef3e51b1b4ec sane internal interfaces for instance;
wenzelm
parents: 11740
diff changeset
   414
val add_inst_arity_i = sane_inst_arity cert_arity;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   415
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   416
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   417
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   418
(** instance proof interfaces **)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   419
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   420
fun inst_attribute add_thms (thy, thm) = (add_thms [thm] thy, thm);
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   421
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   422
fun inst_proof mk_prop add_thms sig_prop int thy =
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   423
  thy
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   424
  |> IsarThy.theorem_i Drule.internalK (("", [inst_attribute add_thms]),
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   425
    (mk_prop (Theory.sign_of thy) sig_prop, ([], []))) int;
3949
c60ff6d0a6b8 fixed goal_XXX;
wenzelm
parents: 3938
diff changeset
   426
8897
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   427
val instance_subclass_proof = inst_proof (mk_classrel oo read_classrel) add_classrel_thms;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   428
val instance_subclass_proof_i = inst_proof (mk_classrel oo cert_classrel) add_classrel_thms;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   429
val instance_arity_proof = inst_proof (mk_arity oo read_simple_arity) add_arity_thms;
fb1436ca3b2e adapted to inner syntax of sorts;
wenzelm
parents: 8720
diff changeset
   430
val instance_arity_proof_i = inst_proof (mk_arity oo cert_simple_arity) add_arity_thms;
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   431
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   432
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   433
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   434
(** package setup **)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   435
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   436
(* setup theory *)
3949
c60ff6d0a6b8 fixed goal_XXX;
wenzelm
parents: 3938
diff changeset
   437
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   438
val setup =
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   439
 [AxclassesData.init,
10309
a7f961fb62c6 intro_classes by default;
wenzelm
parents: 10008
diff changeset
   440
  Method.add_methods [intro_classes_method, default_method]];
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   441
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   442
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   443
(* outer syntax *)
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   444
6719
7c2dafc8e801 outer syntax keyword classification;
wenzelm
parents: 6679
diff changeset
   445
local structure P = OuterParse and K = OuterSyntax.Keyword in
3949
c60ff6d0a6b8 fixed goal_XXX;
wenzelm
parents: 3938
diff changeset
   446
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   447
val axclassP =
6719
7c2dafc8e801 outer syntax keyword classification;
wenzelm
parents: 6679
diff changeset
   448
  OuterSyntax.command "axclass" "define axiomatic type class" K.thy_decl
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   449
    ((P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   450
        P.!!! (P.list1 P.xname)) []) -- Scan.repeat P.spec_name
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   451
      >> (fn (cls, axs) => Toplevel.theory (#1 o add_axclass cls axs)));
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   452
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   453
val instanceP =
6719
7c2dafc8e801 outer syntax keyword classification;
wenzelm
parents: 6679
diff changeset
   454
  OuterSyntax.command "instance" "prove type arity or subclass relation" K.thy_goal
12876
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   455
    ((P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.xname) >> instance_subclass_proof ||
a70df1e5bf10 got rid of explicit marginal comments (now stripped earlier from input);
wenzelm
parents: 12694
diff changeset
   456
      (P.xname -- (P.$$$ "::" |-- P.simple_arity) >> P.triple2) >> instance_arity_proof)
6379
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   457
      >> (Toplevel.print oo Toplevel.theory_to_proof));
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   458
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   459
val _ = OuterSyntax.add_parsers [axclassP, instanceP];
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   460
2b17ff28a6cc theory data;
wenzelm
parents: 6084
diff changeset
   461
end;
3949
c60ff6d0a6b8 fixed goal_XXX;
wenzelm
parents: 3938
diff changeset
   462
404
dd3d3d6467db axiomatic type class 'package' for Pure (alpha version);
wenzelm
parents:
diff changeset
   463
end;