src/Pure/sign.ML
author paulson
Tue, 26 Nov 1996 16:18:42 +0100
changeset 2228 f381c1a98209
parent 2211 0487add593b5
child 2252 d54af138f7b2
permissions -rw-r--r--
Eta-expansion of a function definition, for value polymorphism
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
19
929ad32d63fc Pure/ROOT.ML
wenzelm
parents: 0
diff changeset
     1
(*  Title:      Pure/sign.ML
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     2
    ID:         $Id$
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
     3
    Author:     Lawrence C Paulson and Markus Wenzel
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     4
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
     5
The abstract type "sg" of signatures.
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     6
*)
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
     7
19
929ad32d63fc Pure/ROOT.ML
wenzelm
parents: 0
diff changeset
     8
signature SIGN =
1501
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
     9
  sig
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    10
  type sg
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    11
  val rep_sg: sg ->
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    12
   {tsig: Type.type_sig,
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    13
    const_tab: typ Symtab.table,
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    14
    syn: Syntax.syntax,
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    15
    stamps: string ref list}
1501
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    16
  val subsig: sg * sg -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    17
  val eq_sg: sg * sg -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    18
  val same_sg: sg * sg -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    19
  val is_draft: sg -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    20
  val const_type: sg -> string -> typ option
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    21
  val classes: sg -> class list
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    22
  val subsort: sg -> sort * sort -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    23
  val nodup_Vars: term -> unit
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    24
  val norm_sort: sg -> sort -> sort
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    25
  val nonempty_sort: sg -> sort list -> sort -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    26
  val print_sg: sg -> unit
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    27
  val pretty_sg: sg -> Pretty.T
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    28
  val pprint_sg: sg -> pprint_args -> unit
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    29
  val pretty_term: sg -> term -> Pretty.T
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    30
  val pretty_typ: sg -> typ -> Pretty.T
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    31
  val pretty_sort: sort -> Pretty.T
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    32
  val string_of_term: sg -> term -> string
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    33
  val string_of_typ: sg -> typ -> string
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    34
  val pprint_term: sg -> term -> pprint_args -> unit
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    35
  val pprint_typ: sg -> typ -> pprint_args -> unit
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    36
  val certify_typ: sg -> typ -> typ
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    37
  val certify_term: sg -> term -> term * typ * int
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    38
  val read_typ: sg * (indexname -> sort option) -> string -> typ
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    39
  val exn_type_msg: sg -> string * typ list * term list -> string
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    40
  val infer_types: sg -> (indexname -> typ option) ->
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    41
    (indexname -> sort option) -> string list -> bool
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    42
    -> term list * typ -> int * term * (indexname * typ) list
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    43
  val add_classes: (class * class list) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    44
  val add_classrel: (class * class) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    45
  val add_defsort: sort -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    46
  val add_types: (string * int * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    47
  val add_tyabbrs: (string * string list * string * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    48
  val add_tyabbrs_i: (string * string list * typ * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    49
  val add_arities: (string * sort list * sort) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    50
  val add_consts: (string * string * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    51
  val add_consts_i: (string * typ * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    52
  val add_syntax: (string * string * mixfix) list -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    53
  val add_syntax_i: (string * typ * mixfix) list -> sg -> sg
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    54
  val add_modesyntax: string * (string * string * mixfix) list -> sg -> sg
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
    55
  val add_modesyntax_i: string * (string * typ * mixfix) list -> sg -> sg
1501
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    56
  val add_trfuns:
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    57
    (string * (ast list -> ast)) list *
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    58
    (string * (term list -> term)) list *
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    59
    (string * (term list -> term)) list *
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    60
    (string * (ast list -> ast)) list -> sg -> sg
1810
0eef167ebe1b Translation infixes <->, etc., no longer available at top-level
paulson
parents: 1580
diff changeset
    61
  val add_trrules: (string * string) Syntax.trrule list -> sg -> sg
0eef167ebe1b Translation infixes <->, etc., no longer available at top-level
paulson
parents: 1580
diff changeset
    62
  val add_trrules_i: ast Syntax.trrule list -> sg -> sg
1501
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    63
  val add_name: string -> sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    64
  val make_draft: sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    65
  val merge: sg * sg -> sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    66
  val proto_pure: sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    67
  val pure: sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    68
  val cpure: sg
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    69
  val const_of_class: class -> string
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    70
  val class_of_const: string -> class
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    71
  end;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
    72
1501
bb7f99a0a6f0 Elimination of fully-functorial style.
paulson
parents: 1494
diff changeset
    73
structure Sign : SIGN =
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    74
struct
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
    75
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
    76
(** datatype sg **)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
    77
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
    78
(*the "ref" in stamps ensures that no two signatures are identical -- it is
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
    79
  impossible to forge a signature*)
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    80
19
929ad32d63fc Pure/ROOT.ML
wenzelm
parents: 0
diff changeset
    81
datatype sg =
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    82
  Sg of {
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    83
    tsig: Type.type_sig,            (*order-sorted signature of types*)
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    84
    const_tab: typ Symtab.table,    (*types of constants*)
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    85
    syn: Syntax.syntax,             (*syntax for parsing and printing*)
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
    86
    stamps: string ref list};       (*unique theory indentifier*)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
    87
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
    88
fun rep_sg (Sg args) = args;
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
    89
val tsig_of = #tsig o rep_sg;
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
    90
206
0d624d1ba9cc added subsig: sg * sg -> bool to test if one signature is contained in another.
nipkow
parents: 200
diff changeset
    91
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    92
(* stamps *)
2180
934572a94139 Removal of polymorphic equality via mem, subset, eq_set, etc
paulson
parents: 2144
diff changeset
    93
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    94
(*inclusion, equality*)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    95
local
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    96
  (*avoiding polymorphic equality: factor 10 speedup*)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    97
  fun mem_stamp (_:string ref, []) = false
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    98
    | mem_stamp (x, y :: ys) = x = y orelse mem_stamp (x, ys);
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
    99
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   100
  fun subset_stamp ([], ys) = true
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   101
    | subset_stamp (x :: xs, ys) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   102
        mem_stamp (x, ys) andalso subset_stamp (xs, ys);
2180
934572a94139 Removal of polymorphic equality via mem, subset, eq_set, etc
paulson
parents: 2144
diff changeset
   103
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   104
  (*fast partial test*)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   105
  fun fast_sub ([]: string ref list, _) = true
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   106
    | fast_sub (_, []) = false
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   107
    | fast_sub (x :: xs, y :: ys) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   108
        if x = y then fast_sub (xs, ys)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   109
        else fast_sub (x :: xs, ys);
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   110
in
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   111
  fun subsig (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   112
    s1 = s2 orelse subset_stamp (s1, s2);
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   113
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   114
  fun fast_subsig (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   115
    s1 = s2 orelse fast_sub (s1, s2);
2180
934572a94139 Removal of polymorphic equality via mem, subset, eq_set, etc
paulson
parents: 2144
diff changeset
   116
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   117
  fun eq_sg (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   118
    s1 = s2 orelse (subset_stamp (s1, s2) andalso subset_stamp (s2, s1));
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   119
end;
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   120
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   121
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   122
(*test if same theory names are contained in signatures' stamps,
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   123
  i.e. if signatures belong to same theory but not necessarily to the
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   124
  same version of it*)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   125
fun same_sg (Sg {stamps = s1, ...}, Sg {stamps = s2, ...}) =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   126
  eq_set_string (pairself (map (op !)) (s1, s2));
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   127
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   128
(*test for drafts*)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   129
fun is_draft (Sg {stamps = ref "#" :: _, ...}) = true
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   130
  | is_draft _ = false;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   131
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   132
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   133
(* consts *)
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   134
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   135
fun const_type (Sg {const_tab, ...}) c =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   136
  Symtab.lookup (const_tab, c);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   137
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   138
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   139
(* classes and sorts *)
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   140
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   141
val classes = #classes o Type.rep_tsig o tsig_of;
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   142
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   143
val subsort = Type.subsort o tsig_of;
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   144
val norm_sort = Type.norm_sort o tsig_of;
1216
a2f2360ce1c8 added (my own version of) nonempty_sort: sg -> (string * sort) list -> sort
wenzelm
parents: 1214
diff changeset
   145
val nonempty_sort = Type.nonempty_sort o tsig_of;
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   146
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   147
fun pretty_sort [c] = Pretty.str c
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   148
  | pretty_sort cs = Pretty.str_list "{" "}" cs;
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   149
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   150
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   151
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   152
(** print signature **)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   153
2228
f381c1a98209 Eta-expansion of a function definition, for value polymorphism
paulson
parents: 2211
diff changeset
   154
fun stamp_names stamps = rev (map ! stamps);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   155
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   156
fun print_sg sg =
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   157
  let
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   158
    fun prt_typ syn ty = Pretty.quote (Syntax.pretty_typ syn ty);
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   159
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   160
    fun pretty_subclass (cl, cls) = Pretty.block
1216
a2f2360ce1c8 added (my own version of) nonempty_sort: sg -> (string * sort) list -> sort
wenzelm
parents: 1214
diff changeset
   161
      (Pretty.str (cl ^ " <") :: Pretty.brk 1 ::
a2f2360ce1c8 added (my own version of) nonempty_sort: sg -> (string * sort) list -> sort
wenzelm
parents: 1214
diff changeset
   162
        Pretty.commas (map Pretty.str cls));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   163
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   164
    fun pretty_default cls = Pretty.block
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   165
      [Pretty.str "default:", Pretty.brk 1, pretty_sort cls];
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   166
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   167
    fun pretty_ty (ty, n) = Pretty.str (ty ^ " " ^ string_of_int n);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   168
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   169
    fun pretty_abbr syn (ty, (vs, rhs)) = Pretty.block
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   170
      [prt_typ syn (Type (ty, map (fn v => TVar ((v, 0), [])) vs)),
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   171
        Pretty.str " =", Pretty.brk 1, prt_typ syn rhs];
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   172
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   173
    fun pretty_arity ty (cl, []) = Pretty.block
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   174
          [Pretty.str (ty ^ " ::"), Pretty.brk 1, Pretty.str cl]
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   175
      | pretty_arity ty (cl, srts) = Pretty.block
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   176
          [Pretty.str (ty ^ " ::"), Pretty.brk 1,
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   177
            Pretty.list "(" ")" (map pretty_sort srts),
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   178
            Pretty.brk 1, Pretty.str cl];
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   179
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   180
    fun pretty_arities (ty, ars) = map (pretty_arity ty) ars;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   181
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   182
    fun pretty_const syn (c, ty) = Pretty.block
266
3fe01df1a614 improved eq_sg;
wenzelm
parents: 251
diff changeset
   183
      [Pretty.str (quote c ^ " ::"), Pretty.brk 1, prt_typ syn ty];
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   184
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   185
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   186
    val Sg {tsig, const_tab, syn, stamps} = sg;
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   187
    val {classes, subclass, default, tycons, abbrs, arities} =
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   188
      Type.rep_tsig tsig;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   189
  in
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   190
    Pretty.writeln (Pretty.strs ("stamps:" :: stamp_names stamps));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   191
    Pretty.writeln (Pretty.strs ("classes:" :: classes));
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   192
    Pretty.writeln (Pretty.big_list "subclass:"
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   193
                      (map pretty_subclass subclass));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   194
    Pretty.writeln (pretty_default default);
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   195
    Pretty.writeln (Pretty.big_list "types:" (map pretty_ty tycons));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   196
    Pretty.writeln (Pretty.big_list "abbrs:" (map (pretty_abbr syn) abbrs));
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   197
    Pretty.writeln (Pretty.big_list "arities:"
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   198
                      (flat (map pretty_arities arities)));
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   199
    Pretty.writeln (Pretty.big_list "consts:"
963
7a78fda77104 Corrected a silly old bug in merge_tsigs.
nipkow
parents: 959
diff changeset
   200
                      (map (pretty_const syn) (Symtab.dest const_tab)))
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   201
  end;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   202
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   203
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   204
fun pretty_sg (Sg {stamps, ...}) =
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   205
  Pretty.str_list "{" "}" (stamp_names stamps);
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   206
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   207
val pprint_sg = Pretty.pprint o pretty_sg;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   208
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   209
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   210
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   211
(** pretty printing of terms and types **)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   212
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   213
fun pretty_term (Sg {syn, stamps, ...}) =
2138
056dead45ae8 Changed some mem calls to mem_string for greater efficiency (not that it could matter)
paulson
parents: 2095
diff changeset
   214
  let val curried = "CPure" mem_string (map ! stamps);
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   215
  in Syntax.pretty_term curried syn end;
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   216
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   217
fun pretty_typ (Sg {syn, ...}) = Syntax.pretty_typ syn;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   218
1239
2c0d94151e74 nonempty_sort: no longer var names as args;
wenzelm
parents: 1216
diff changeset
   219
fun string_of_term (Sg {syn, stamps, ...}) =
2138
056dead45ae8 Changed some mem calls to mem_string for greater efficiency (not that it could matter)
paulson
parents: 2095
diff changeset
   220
  let val curried = "CPure" mem_string (map ! stamps);
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   221
  in Syntax.string_of_term curried syn end;
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   222
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   223
fun string_of_typ (Sg {syn, ...}) = Syntax.string_of_typ syn;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   224
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   225
fun pprint_term sg = Pretty.pprint o Pretty.quote o (pretty_term sg);
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   226
fun pprint_typ sg = Pretty.pprint o Pretty.quote o (pretty_typ sg);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   227
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   228
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   229
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   230
(** read types **)  (*exception ERROR*)
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   231
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   232
fun err_in_type s =
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   233
  error ("The error(s) above occurred in type " ^ quote s);
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   234
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   235
fun read_raw_typ syn tsig sort_of str =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   236
  Syntax.read_typ syn (fn x => if_none (sort_of x) (Type.defaultS tsig)) str
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   237
    handle ERROR => err_in_type str;
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   238
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   239
(*read and certify typ wrt a signature*)
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   240
fun read_typ (Sg {tsig, syn, ...}, sort_of) str =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   241
  Type.cert_typ tsig (read_raw_typ syn tsig sort_of str)
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   242
    handle TYPE (msg, _, _) => (writeln msg; err_in_type str);
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   243
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   244
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   245
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   246
(** certify types and terms **)   (*exception TYPE*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   247
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   248
fun certify_typ (Sg {tsig, ...}) ty = Type.cert_typ tsig ty;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   249
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   250
(* check for duplicate TVars with distinct sorts *)
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   251
fun nodup_TVars(tvars,T) = (case T of
2144
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   252
      Type(_,Ts) => nodup_TVars_list (tvars,Ts)
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   253
    | TFree _ => tvars
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   254
    | TVar(v as (a,S)) =>
1576
af8f43f742a0 Added some optimized versions of functions dealing with sets
berghofe
parents: 1501
diff changeset
   255
        (case assoc_string_int(tvars,a) of
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   256
           Some(S') => if S=S' then tvars
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   257
                       else raise_type
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   258
                            ("Type variable "^Syntax.string_of_vname a^
1890
a525e960f2bd Inserted spaces in error messages to improve readability
paulson
parents: 1810
diff changeset
   259
                             " has two distinct sorts") [TVar(a,S'),T] []
2144
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   260
         | None => v::tvars))
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   261
and (*equivalent to foldl nodup_TVars_list, but 3X faster under Poly/ML*)
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   262
    nodup_TVars_list (tvars,[]) = tvars
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   263
  | nodup_TVars_list (tvars,T::Ts) = nodup_TVars_list(nodup_TVars(tvars,T), 
ddb8499c772b Replaced foldl nodup_TVars by nodup_TVars_list -- for a big speedup on Poly/ML
paulson
parents: 2138
diff changeset
   264
						      Ts);
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   265
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   266
(* check for duplicate Vars with distinct types *)
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   267
fun nodup_Vars tm =
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   268
let fun nodups vars tvars tm = (case tm of
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   269
          Const(c,T) => (vars, nodup_TVars(tvars,T))
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   270
        | Free(a,T) => (vars, nodup_TVars(tvars,T))
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   271
        | Var(v as (ixn,T)) =>
1576
af8f43f742a0 Added some optimized versions of functions dealing with sets
berghofe
parents: 1501
diff changeset
   272
            (case assoc_string_int(vars,ixn) of
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   273
               Some(T') => if T=T' then (vars,nodup_TVars(tvars,T))
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   274
                           else raise_type
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   275
                             ("Variable "^Syntax.string_of_vname ixn^
1890
a525e960f2bd Inserted spaces in error messages to improve readability
paulson
parents: 1810
diff changeset
   276
                              " has two distinct types") [T',T] []
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   277
             | None => (v::vars,tvars))
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   278
        | Bound _ => (vars,tvars)
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   279
        | Abs(_,T,t) => nodups vars (nodup_TVars(tvars,T)) t
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   280
        | s$t => let val (vars',tvars') = nodups vars tvars s
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   281
                 in nodups vars' tvars' t end);
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   282
in nodups [] [] tm; () end;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   283
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   284
fun mapfilt_atoms f (Abs (_, _, t)) = mapfilt_atoms f t
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   285
  | mapfilt_atoms f (t $ u) = mapfilt_atoms f t @ mapfilt_atoms f u
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   286
  | mapfilt_atoms f a = (case f a of Some y => [y] | None => []);
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   287
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   288
fun certify_term (sg as Sg {tsig, ...}) tm =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   289
  let
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   290
    fun valid_const a T =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   291
      (case const_type sg a of
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   292
        Some U => Type.typ_instance (tsig, T, U)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   293
      | _ => false);
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   294
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   295
    fun atom_err (Const (a, T)) =
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   296
          if valid_const a T then None
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   297
          else Some ("Illegal type for constant " ^ quote a ^ " :: " ^
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   298
            quote (string_of_typ sg T))
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   299
      | atom_err (Var ((x, i), _)) =
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   300
          if i < 0 then Some ("Negative index for Var " ^ quote x) else None
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   301
      | atom_err _ = None;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   302
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   303
    val norm_tm =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   304
      (case it_term_types (Type.typ_errors tsig) (tm, []) of
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   305
        [] => map_term_types (Type.norm_typ tsig) tm
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   306
      | errs => raise_type (cat_lines errs) [] [tm]);
1494
22f67e796445 added nodup_Vars check in cterm_of. Prevents same var with distinct types.
nipkow
parents: 1460
diff changeset
   307
    val _ = nodup_Vars norm_tm;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   308
  in
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   309
    (case mapfilt_atoms atom_err norm_tm of
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   310
      [] => (norm_tm, type_of norm_tm, maxidx_of_term norm_tm)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   311
    | errs => raise_type (cat_lines errs) [] [norm_tm])
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   312
  end;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   313
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   314
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   315
(*Package error messages from type checking*)
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   316
fun exn_type_msg sg (msg, Ts, ts) =
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   317
    let val show_typ = string_of_typ sg
1460
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   318
	val show_term = string_of_term sg
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   319
	fun term_err [] = ""
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   320
	  | term_err [t] = "\nInvolving this term:\n" ^ show_term t
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   321
	  | term_err ts =
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   322
	    "\nInvolving these terms:\n" ^ cat_lines (map show_term ts);
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   323
    in  "\nType checking error: " ^ msg ^ "\n" ^
1460
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   324
	cat_lines (map show_typ Ts) ^ term_err ts ^ "\n"
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   325
    end; 
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   326
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   327
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   328
583
550292083e66 minor internal changes;
wenzelm
parents: 573
diff changeset
   329
(** infer_types **)         (*exception ERROR*)
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   330
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   331
(*ts is the list of alternative parses; only one is hoped to be type-correct.
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   332
  T is the expected type for the correct term.
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   333
  Other standard arguments:
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   334
    types is a partial map from indexnames to types (constrains Free, Var).
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   335
    sorts is a partial map from indexnames to sorts (constrains TFree, TVar).
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   336
    used is the list of already used type variables.
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   337
    If freeze then internal TVars are turned into TFrees, else TVars.*)
959
35c2e5e114c4 removed print_msg parameter of infer_types
clasohm
parents: 952
diff changeset
   338
fun infer_types sg types sorts used freeze (ts, T) =
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   339
  let
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   340
    val Sg {tsig, ...} = sg;
169
1b2765146aab extend: cleaned up, adapted for new Syntax.extend;
wenzelm
parents: 155
diff changeset
   341
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   342
    val T' = certify_typ sg T handle TYPE arg => error (exn_type_msg sg arg);
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   343
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   344
    val ct = const_type sg;
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   345
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   346
    fun warn() =
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   347
      if length ts > 1 andalso length ts <= !Syntax.ambiguity_level
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   348
      then (*no warning shown yet*)
1580
e3fd931e6095 Added some functions which allow redirection of Isabelle's output
berghofe
parents: 1576
diff changeset
   349
           warning "Currently parsed input \
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   350
                   \produces more than one parse tree.\n\
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   351
                   \For more information lower Syntax.ambiguity_level."
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   352
      else ();
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   353
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   354
    datatype result = One of int * term * (indexname * typ) list
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   355
                    | Errs of (string * typ list * term list)list
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   356
                    | Ambigs of term list;
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   357
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   358
    fun process_term(res,(t,i)) =
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   359
       let val ([u],tye) = 
1460
5a6f2aabd538 inserted tabs again
clasohm
parents: 1458
diff changeset
   360
	       Type.infer_types(tsig,ct,types,sorts,used,freeze,[T'],[t])
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   361
       in case res of
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   362
            One(_,t0,_) => Ambigs([u,t0])
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   363
          | Errs _ => One(i,u,tye)
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   364
          | Ambigs(us) => Ambigs(u::us)
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   365
       end
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   366
       handle TYPE arg => (case res of Errs(errs) => Errs(arg::errs)
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   367
                                     | _ => res);
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   368
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   369
  in case foldl process_term (Errs[], ts ~~ (0 upto (length ts - 1))) of
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   370
       One(res) =>
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   371
         (if length ts > !Syntax.ambiguity_level
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   372
          then writeln "Fortunately, only one parse tree is type correct.\n\
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   373
            \It helps (speed!) if you disambiguate your grammar or your input."
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   374
          else ();
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   375
          res)
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   376
     | Errs(errs) => (warn(); error(cat_lines(map (exn_type_msg sg) errs)))
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   377
     | Ambigs(us) =>
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   378
         (warn();
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   379
          let val old_show_brackets = !show_brackets
1178
b28c6ecc3e6d added cargs for curried function application
clasohm
parents: 1159
diff changeset
   380
              val dummy = show_brackets := true;
1393
73b6b003c6ca exports exn_type_msg for error messages. Calls new infer_types.
paulson
parents: 1241
diff changeset
   381
              val errs = cat_lines(map (string_of_term sg) us)
952
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   382
          in show_brackets := old_show_brackets;
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   383
             error("Error: More than one term is type correct:\n" ^ errs)
9e10962866b0 Removed an old bug which made some simultaneous instantiations fail if they
nipkow
parents: 949
diff changeset
   384
          end)
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   385
  end;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   386
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   387
623
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   388
(** extend signature **)    (*exception ERROR*)
ca9f5dbab880 added print_msg;
clasohm
parents: 620
diff changeset
   389
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   390
(** signature extension functions **)  (*exception ERROR*)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   391
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   392
fun decls_of name_of mfixs =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   393
  map (fn (x, y, mx) => (name_of x mx, y)) mfixs;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   394
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   395
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   396
(* add default sort *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   397
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   398
fun ext_defsort (syn, tsig, ctab) defsort =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   399
  (syn, Type.ext_tsig_defsort tsig defsort, ctab);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   400
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   401
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   402
(* add type constructors *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   403
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   404
fun ext_types (syn, tsig, ctab) types =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   405
  (Syntax.extend_type_gram syn types,
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   406
    Type.ext_tsig_types tsig (decls_of Syntax.type_name types),
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   407
    ctab);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   408
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   409
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   410
(* add type abbreviations *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   411
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   412
fun read_abbr syn tsig (t, vs, rhs_src) =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   413
  (t, vs, read_raw_typ syn tsig (K None) rhs_src)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   414
    handle ERROR => error ("in type abbreviation " ^ t);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   415
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   416
fun ext_abbrs rd_abbr (syn, tsig, ctab) abbrs =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   417
  let
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   418
    fun mfix_of (t, vs, _, mx) = (t, length vs, mx);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   419
    val syn1 = Syntax.extend_type_gram syn (map mfix_of abbrs);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   420
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   421
    fun decl_of (t, vs, rhs, mx) =
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   422
      rd_abbr syn1 tsig (Syntax.type_name t mx, vs, rhs);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   423
  in
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   424
    (syn1, Type.ext_tsig_abbrs tsig (map decl_of abbrs), ctab)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   425
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   426
2228
f381c1a98209 Eta-expansion of a function definition, for value polymorphism
paulson
parents: 2211
diff changeset
   427
fun ext_tyabbrs_i arg = ext_abbrs (K (K I)) arg;
f381c1a98209 Eta-expansion of a function definition, for value polymorphism
paulson
parents: 2211
diff changeset
   428
fun ext_tyabbrs   arg = ext_abbrs read_abbr arg;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   429
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   430
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   431
(* add type arities *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   432
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   433
fun ext_arities (syn, tsig, ctab) arities =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   434
  let
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   435
    val tsig1 = Type.ext_tsig_arities tsig arities;
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   436
    val log_types = Type.logical_types tsig1;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   437
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   438
    (Syntax.extend_log_types syn log_types, tsig1, ctab)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   439
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   440
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   441
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   442
(* add term constants and syntax *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   443
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   444
fun err_in_const c =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   445
  error ("in declaration of constant " ^ quote c);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   446
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   447
fun err_dup_consts cs =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   448
  error ("Duplicate declaration of constant(s) " ^ commas_quote cs);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   449
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   450
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   451
fun read_const syn tsig (c, ty_src, mx) =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   452
  (c, read_raw_typ syn tsig (K None) ty_src, mx)
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   453
    handle ERROR => err_in_const (Syntax.const_name c mx);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   454
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   455
fun ext_cnsts rd_const syn_only prmode (syn, tsig, ctab) raw_consts =
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   456
  let
1414
036e072b215a "prep_const" now calls compress_type to ensure sharing among
paulson
parents: 1393
diff changeset
   457
    fun prep_const (c, ty, mx) = 
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   458
     (c, compress_type (Type.varifyT (Type.cert_typ tsig (Type.no_tvars ty))), mx)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   459
       handle TYPE (msg, _, _)
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   460
         => (writeln msg; err_in_const (Syntax.const_name c mx));
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   461
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   462
    val consts = map (prep_const o rd_const syn tsig) raw_consts;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   463
    val decls =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   464
      if syn_only then []
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   465
      else filter_out (equal "" o fst) (decls_of Syntax.const_name consts);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   466
  in
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   467
    (Syntax.extend_const_gram syn prmode consts, tsig,
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   468
      Symtab.extend_new (ctab, decls)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   469
        handle Symtab.DUPS cs => err_dup_consts cs)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   470
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   471
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   472
val ext_consts_i = ext_cnsts (K (K I)) false "";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   473
val ext_consts = ext_cnsts read_const false "";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   474
val ext_syntax_i = ext_cnsts (K (K I)) true "";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   475
val ext_syntax = ext_cnsts read_const true "";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   476
fun ext_modesyntax_i sg (prmode, consts) = ext_cnsts (K (K I)) true prmode sg consts;
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   477
fun ext_modesyntax sg (prmode, consts) = ext_cnsts read_const true prmode sg consts;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   478
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   479
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   480
(* add type classes *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   481
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   482
fun const_of_class c = c ^ "_class";
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   483
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   484
fun class_of_const c_class =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   485
  let
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   486
    val c = implode (take (size c_class - 6, explode c_class));
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   487
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   488
    if const_of_class c = c_class then c
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   489
    else raise_term ("class_of_const: bad name " ^ quote c_class) []
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   490
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   491
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   492
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   493
fun ext_classes (syn, tsig, ctab) classes =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   494
  let
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   495
    val names = map fst classes;
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   496
    val consts =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   497
      map (fn c => (const_of_class c, a_itselfT --> propT, NoSyn)) names;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   498
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   499
    ext_consts_i
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   500
      (Syntax.extend_consts syn names, Type.ext_tsig_classes tsig classes, ctab)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   501
      consts
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   502
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   503
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   504
421
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   505
(* add to subclass relation *)
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   506
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   507
fun ext_classrel (syn, tsig, ctab) pairs =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   508
  (syn, Type.ext_tsig_subclass tsig pairs, ctab);
421
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   509
95e1d4faa863 added add_classrel;
wenzelm
parents: 418
diff changeset
   510
1159
998a5c3451bf added add_trrules_i;
wenzelm
parents: 986
diff changeset
   511
(* add to syntax *)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   512
1159
998a5c3451bf added add_trrules_i;
wenzelm
parents: 986
diff changeset
   513
fun ext_syn extfun (syn, tsig, ctab) args =
998a5c3451bf added add_trrules_i;
wenzelm
parents: 986
diff changeset
   514
  (extfun syn args, tsig, ctab);
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   515
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   516
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   517
(* build signature *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   518
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   519
fun ext_stamps stamps name =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   520
  let
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   521
    val stmps = (case stamps of ref "#" :: ss => ss | ss => ss);
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   522
  in
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   523
    if exists (equal name o !) stmps then
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   524
      error ("Theory already contains a " ^ quote name ^ " component")
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   525
    else ref name :: stmps
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   526
  end;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   527
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   528
fun make_sign (syn, tsig, ctab) stamps name =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   529
  Sg {tsig = tsig, const_tab = ctab, syn = syn,
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   530
    stamps = ext_stamps stamps name};
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   531
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   532
fun extend_sign extfun name decls (Sg {tsig, const_tab, syn, stamps}) =
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   533
  make_sign (extfun (syn, tsig, const_tab) decls) stamps name;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   534
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   535
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   536
(* the external interfaces *)
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   537
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   538
val add_classes      = extend_sign ext_classes "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   539
val add_classrel     = extend_sign ext_classrel "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   540
val add_defsort      = extend_sign ext_defsort "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   541
val add_types        = extend_sign ext_types "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   542
val add_tyabbrs      = extend_sign ext_tyabbrs "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   543
val add_tyabbrs_i    = extend_sign ext_tyabbrs_i "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   544
val add_arities      = extend_sign ext_arities "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   545
val add_consts       = extend_sign ext_consts "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   546
val add_consts_i     = extend_sign ext_consts_i "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   547
val add_syntax       = extend_sign ext_syntax "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   548
val add_syntax_i     = extend_sign ext_syntax_i "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   549
val add_modesyntax   = extend_sign ext_modesyntax "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   550
val add_modesyntax_i = extend_sign ext_modesyntax_i "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   551
val add_trfuns       = extend_sign (ext_syn Syntax.extend_trfuns) "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   552
val add_trrules      = extend_sign (ext_syn Syntax.extend_trrules) "#";
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   553
val add_trrules_i    = extend_sign (ext_syn Syntax.extend_trrules_i) "#";
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   554
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   555
fun add_name name sg = extend_sign K name () sg;
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   556
val make_draft = add_name "#";
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   557
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   558
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   559
620
f787eb061618 exported pretty_sort;
wenzelm
parents: 583
diff changeset
   560
(** merge signatures **)    (*exception TERM*) (*exception ERROR (* FIXME *)*)
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   561
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   562
fun merge (sg1, sg2) =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   563
  if fast_subsig (sg2, sg1) then sg1
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   564
  else if fast_subsig (sg1, sg2) then sg2
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   565
  else if subsig (sg2, sg1) then sg1
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   566
  else if subsig (sg1, sg2) then sg2
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   567
  else if is_draft sg1 orelse is_draft sg2 then
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   568
    raise_term "Illegal merge of draft signatures" []
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   569
  else
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   570
    (*neither is union already; must form union*)
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   571
    let
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   572
      val Sg {tsig = tsig1, const_tab = const_tab1, syn = syn1,
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   573
        stamps = stamps1} = sg1;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   574
      val Sg {tsig = tsig2, const_tab = const_tab2, syn = syn2,
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   575
        stamps = stamps2} = sg2;
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   576
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   577
402
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   578
      val stamps = merge_rev_lists stamps1 stamps2;
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   579
      val _ =
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   580
        (case duplicates (stamp_names stamps) of
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   581
          [] => ()
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   582
        | dups => raise_term ("Attempt to merge different versions of theories "
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   583
            ^ commas_quote dups) []);
16a8fe4f2250 added subsort, norm_sort, classes;
wenzelm
parents: 386
diff changeset
   584
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   585
      val tsig = Type.merge_tsigs (tsig1, tsig2);
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   586
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   587
      val const_tab = Symtab.merge (op =) (const_tab1, const_tab2)
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   588
        handle Symtab.DUPS cs =>
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   589
          raise_term ("Incompatible types for constant(s) " ^ commas_quote cs) [];
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   590
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   591
      val syn = Syntax.merge_syntaxes syn1 syn2;
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   592
    in
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   593
      Sg {tsig = tsig, const_tab = const_tab, syn = syn, stamps = stamps}
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   594
    end;
143
f8152ca36cd5 Sign.extend: Syntax.extend now called with read_ty;
wenzelm
parents: 19
diff changeset
   595
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   596
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   597
251
c9b984c0a674 major cleanup;
wenzelm
parents: 229
diff changeset
   598
(** the Pure signature **)
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   599
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   600
val proto_pure =
2185
f9686e7e6d4d subsig tuning;
wenzelm
parents: 2184
diff changeset
   601
  make_sign (Syntax.pure_syn, Type.tsig0, Symtab.null) [] "#"
410
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   602
  |> add_types
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   603
   (("fun", 2, NoSyn) ::
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   604
    ("prop", 0, NoSyn) ::
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   605
    ("itself", 1, NoSyn) ::
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   606
    Syntax.pure_types)
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   607
  |> add_classes [(logicC, [])]
410
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   608
  |> add_defsort logicS
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   609
  |> add_arities
386
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   610
   [("fun", [logicS, logicS], logicS),
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   611
    ("prop", [], logicS),
e9ba9f7e2542 added const_type: sg -> typ option;
wenzelm
parents: 277
diff changeset
   612
    ("itself", [logicS], logicS)]
562
e9572d03b724 added pretty_sg;
wenzelm
parents: 421
diff changeset
   613
  |> add_syntax Syntax.pure_syntax
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   614
  |> add_modesyntax ("symbolfont", Syntax.pure_symfont_syntax)
410
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   615
  |> add_trfuns Syntax.pure_trfuns
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   616
  |> add_consts
2197
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   617
   [("==", "['a::{}, 'a] => prop", InfixrName ("==", 2)),
e895937fcd56 added add_modesyntax(_i);
wenzelm
parents: 2187
diff changeset
   618
    ("=?=", "['a::{}, 'a] => prop", InfixrName ("=?=", 2)),
2211
0487add593b5 restored changed prettyprinting of ==>;
wenzelm
parents: 2197
diff changeset
   619
    ("==>", "[prop, prop] => prop", Mixfix ("(_/ ==> _)", [2, 1], 1)),
865
b38c67991122 added optional precedence for body of binder;
clasohm
parents: 763
diff changeset
   620
    ("all", "('a => prop) => prop", Binder ("!!", 0, 0)),
573
2fa5ef27bd0a removed constant _constrain from Pure sig;
wenzelm
parents: 562
diff changeset
   621
    ("TYPE", "'a itself", NoSyn)]
2211
0487add593b5 restored changed prettyprinting of ==>;
wenzelm
parents: 2197
diff changeset
   622
  |> add_syntax
0487add593b5 restored changed prettyprinting of ==>;
wenzelm
parents: 2197
diff changeset
   623
   [("==>", "[prop, prop] => prop", Delimfix "op ==>")]
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   624
  |> add_name "ProtoPure";
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   625
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   626
val pure = proto_pure
1180
9b2efb601898 moved mixfix syntax to Syntax/mixfix.ML
clasohm
parents: 1178
diff changeset
   627
  |> add_syntax Syntax.pure_appl_syntax
410
c8171ee32744 replaced infix also by |>
wenzelm
parents: 402
diff changeset
   628
  |> add_name "Pure";
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   629
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   630
val cpure = proto_pure
1180
9b2efb601898 moved mixfix syntax to Syntax/mixfix.ML
clasohm
parents: 1178
diff changeset
   631
  |> add_syntax Syntax.pure_applC_syntax
922
196ca0973a6d added CPure (curried functions) and ProtoPure (ancestor of Pure and CPure)
clasohm
parents: 901
diff changeset
   632
  |> add_name "CPure";
0
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   633
a5a9c433f639 Initial revision
clasohm
parents:
diff changeset
   634
end;