src/Pure/Isar/attrib.ML
author wenzelm
Fri Nov 13 17:25:09 2009 +0100 (2009-11-13)
changeset 33666 e49bfeb0d822
parent 33522 737589bb9bb8
child 34986 7f7939c9370f
permissions -rw-r--r--
eliminated obsolete "generated" kind -- collapsed to unspecific "" (definitely unused according to Lukas Bulwahn);
wenzelm@5823
     1
(*  Title:      Pure/Isar/attrib.ML
wenzelm@5823
     2
    Author:     Markus Wenzel, TU Muenchen
wenzelm@5823
     3
wenzelm@18734
     4
Symbolic representation of attributes -- with name and syntax.
wenzelm@5823
     5
*)
wenzelm@5823
     6
wenzelm@5823
     7
signature ATTRIB =
wenzelm@5823
     8
sig
wenzelm@27729
     9
  type src = Args.src
haftmann@29581
    10
  type binding = binding * src list
haftmann@28965
    11
  val empty_binding: binding
wenzelm@27729
    12
  val print_attributes: theory -> unit
wenzelm@16458
    13
  val intern: theory -> xstring -> string
wenzelm@16458
    14
  val intern_src: theory -> src -> src
wenzelm@21031
    15
  val pretty_attribs: Proof.context -> src list -> Pretty.T list
wenzelm@26891
    16
  val defined: theory -> string -> bool
wenzelm@18734
    17
  val attribute: theory -> src -> attribute
wenzelm@18734
    18
  val attribute_i: theory -> src -> attribute
wenzelm@26336
    19
  val eval_thms: Proof.context -> (Facts.ref * src list) list -> thm list
wenzelm@18905
    20
  val map_specs: ('a -> 'att) ->
wenzelm@30759
    21
    (('c * 'a list) * 'b) list -> (('c * 'att list) * 'b) list
wenzelm@18905
    22
  val map_facts: ('a -> 'att) ->
wenzelm@17105
    23
    (('c * 'a list) * ('d * 'a list) list) list ->
wenzelm@18905
    24
    (('c * 'att list) * ('d * 'att list) list) list
wenzelm@30759
    25
  val map_facts_refs: ('a -> 'att) -> ('b -> 'fact) ->
wenzelm@30759
    26
    (('c * 'a list) * ('b * 'a list) list) list ->
wenzelm@30759
    27
    (('c * 'att list) * ('fact * 'att list) list) list
wenzelm@20289
    28
  val crude_closure: Proof.context -> src -> src
wenzelm@30525
    29
  val setup: Binding.binding -> attribute context_parser -> string -> theory -> theory
wenzelm@30575
    30
  val attribute_setup: bstring * Position.T -> Symbol_Pos.text * Position.T -> string ->
wenzelm@30575
    31
    theory -> theory
wenzelm@30525
    32
  val add_del: attribute -> attribute -> attribute context_parser
wenzelm@30513
    33
  val thm_sel: Facts.interval list parser
wenzelm@30513
    34
  val thm: thm context_parser
wenzelm@30513
    35
  val thms: thm list context_parser
wenzelm@30513
    36
  val multi_thm: thm list context_parser
wenzelm@24110
    37
  val print_configs: Proof.context -> unit
wenzelm@25983
    38
  val internal: (morphism -> attribute) -> src
wenzelm@24126
    39
  val register_config: Config.value Config.T -> theory -> theory
wenzelm@24110
    40
  val config_bool: bstring -> bool -> bool Config.T * (theory -> theory)
wenzelm@24110
    41
  val config_int: bstring -> int -> int Config.T * (theory -> theory)
wenzelm@24110
    42
  val config_string: bstring -> string -> string Config.T * (theory -> theory)
wenzelm@24110
    43
  val config_bool_global: bstring -> bool -> bool Config.T * (theory -> theory)
wenzelm@24110
    44
  val config_int_global: bstring -> int -> int Config.T * (theory -> theory)
wenzelm@24110
    45
  val config_string_global: bstring -> string -> string Config.T * (theory -> theory)
wenzelm@5823
    46
end;
wenzelm@5823
    47
wenzelm@5823
    48
structure Attrib: ATTRIB =
wenzelm@5823
    49
struct
wenzelm@5823
    50
wenzelm@27812
    51
structure T = OuterLex;
wenzelm@27812
    52
structure P = OuterParse;
wenzelm@27812
    53
wenzelm@28084
    54
wenzelm@28084
    55
(* source and bindings *)
wenzelm@28084
    56
wenzelm@15703
    57
type src = Args.src;
wenzelm@15703
    58
haftmann@29581
    59
type binding = binding * src list;
haftmann@28965
    60
val empty_binding: binding = (Binding.empty, []);
wenzelm@28084
    61
wenzelm@28084
    62
wenzelm@27729
    63
wenzelm@18734
    64
(** named attributes **)
wenzelm@18636
    65
wenzelm@18734
    66
(* theory data *)
wenzelm@5823
    67
wenzelm@33522
    68
structure Attributes = Theory_Data
wenzelm@22846
    69
(
wenzelm@33095
    70
  type T = ((src -> attribute) * string) Name_Space.table;
wenzelm@33159
    71
  val empty : T = Name_Space.empty_table "attribute";
wenzelm@16458
    72
  val extend = I;
wenzelm@33522
    73
  fun merge data : T = Name_Space.merge_tables data;
wenzelm@22846
    74
);
wenzelm@5823
    75
wenzelm@22846
    76
fun print_attributes thy =
wenzelm@22846
    77
  let
wenzelm@24110
    78
    val attribs = Attributes.get thy;
wenzelm@33092
    79
    fun prt_attr (name, (_, comment)) = Pretty.block
wenzelm@22846
    80
      [Pretty.str (name ^ ":"), Pretty.brk 2, Pretty.str comment];
wenzelm@22846
    81
  in
wenzelm@33095
    82
    [Pretty.big_list "attributes:" (map prt_attr (Name_Space.extern_table attribs))]
wenzelm@22846
    83
    |> Pretty.chunks |> Pretty.writeln
wenzelm@22846
    84
  end;
wenzelm@7611
    85
wenzelm@33092
    86
fun add_attribute name att comment thy = thy
wenzelm@33095
    87
  |> Attributes.map (#2 o Name_Space.define true (Sign.naming_of thy) (name, (att, comment)));
wenzelm@31306
    88
wenzelm@5823
    89
wenzelm@21031
    90
(* name space *)
wenzelm@15703
    91
wenzelm@33095
    92
val intern = Name_Space.intern o #1 o Attributes.get;
wenzelm@15703
    93
val intern_src = Args.map_name o intern;
wenzelm@15703
    94
wenzelm@33095
    95
val extern = Name_Space.extern o #1 o Attributes.get o ProofContext.theory_of;
wenzelm@21031
    96
wenzelm@21031
    97
wenzelm@21031
    98
(* pretty printing *)
wenzelm@21031
    99
wenzelm@21031
   100
fun pretty_attribs _ [] = []
wenzelm@21031
   101
  | pretty_attribs ctxt srcs =
wenzelm@21031
   102
      [Pretty.enclose "[" "]"
wenzelm@21031
   103
        (Pretty.commas (map (Args.pretty_src ctxt o Args.map_name (extern ctxt)) srcs))];
wenzelm@21031
   104
wenzelm@15703
   105
wenzelm@18734
   106
(* get attributes *)
wenzelm@5823
   107
wenzelm@26891
   108
val defined = Symtab.defined o #2 o Attributes.get;
wenzelm@26891
   109
wenzelm@18734
   110
fun attribute_i thy =
wenzelm@5823
   111
  let
wenzelm@24110
   112
    val attrs = #2 (Attributes.get thy);
wenzelm@5879
   113
    fun attr src =
wenzelm@16344
   114
      let val ((name, _), pos) = Args.dest_src src in
wenzelm@17412
   115
        (case Symtab.lookup attrs name of
skalberg@15531
   116
          NONE => error ("Unknown attribute: " ^ quote name ^ Position.str_of pos)
wenzelm@33092
   117
        | SOME (att, _) => (Position.report (Markup.attribute name) pos; att src))
wenzelm@5823
   118
      end;
wenzelm@5823
   119
  in attr end;
wenzelm@5823
   120
wenzelm@18734
   121
fun attribute thy = attribute_i thy o intern_src thy;
wenzelm@18636
   122
wenzelm@33666
   123
fun eval_thms ctxt args = ProofContext.note_thmss ""
wenzelm@30759
   124
    [(Thm.empty_binding, args |> map (fn (a, atts) =>
wenzelm@30759
   125
        (ProofContext.get_fact ctxt a, map (attribute (ProofContext.theory_of ctxt)) atts)))] ctxt
wenzelm@26685
   126
  |> fst |> maps snd;
wenzelm@24723
   127
wenzelm@5823
   128
wenzelm@17105
   129
(* attributed declarations *)
wenzelm@17105
   130
wenzelm@17105
   131
fun map_specs f = map (apfst (apsnd (map f)));
wenzelm@30759
   132
wenzelm@17105
   133
fun map_facts f = map (apfst (apsnd (map f)) o apsnd (map (apsnd (map f))));
wenzelm@30759
   134
fun map_facts_refs f g = map_facts f #> map (apsnd (map (apfst g)));
wenzelm@17105
   135
wenzelm@17105
   136
wenzelm@15703
   137
(* crude_closure *)
wenzelm@15703
   138
wenzelm@15703
   139
(*Produce closure without knowing facts in advance! The following
wenzelm@18734
   140
  works reasonably well for attribute parsers that do not peek at the
wenzelm@18734
   141
  thm structure.*)
wenzelm@15703
   142
wenzelm@15703
   143
fun crude_closure ctxt src =
wenzelm@18734
   144
 (try (fn () => attribute_i (ProofContext.theory_of ctxt) src
wenzelm@18734
   145
    (Context.Proof ctxt, Drule.asm_rl)) ();
wenzelm@15703
   146
  Args.closure src);
wenzelm@15703
   147
wenzelm@15703
   148
wenzelm@30525
   149
(* attribute setup *)
wenzelm@30525
   150
wenzelm@31306
   151
fun syntax scan = Args.syntax "attribute" scan;
wenzelm@30525
   152
wenzelm@31306
   153
fun setup name scan =
wenzelm@31306
   154
  add_attribute name
wenzelm@31306
   155
    (fn src => fn (ctxt, th) => let val (a, ctxt') = syntax scan src ctxt in a (ctxt', th) end);
wenzelm@5879
   156
wenzelm@30525
   157
fun attribute_setup name (txt, pos) cmt =
wenzelm@30525
   158
  Context.theory_map (ML_Context.expression pos
wenzelm@30525
   159
    "val (name, scan, comment): binding * attribute context_parser * string"
wenzelm@30525
   160
    "Context.map_theory (Attrib.setup name scan comment)"
wenzelm@30525
   161
    ("(" ^ ML_Syntax.make_binding name ^ ", " ^ txt ^ ", " ^ ML_Syntax.print_string cmt ^ ")"));
wenzelm@30525
   162
wenzelm@30525
   163
wenzelm@31305
   164
(* add/del syntax *)
wenzelm@5823
   165
wenzelm@31305
   166
fun add_del add del = Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add);
wenzelm@5879
   167
wenzelm@5879
   168
wenzelm@25983
   169
wenzelm@25983
   170
(** parsing attributed theorems **)
wenzelm@5879
   171
wenzelm@27812
   172
val thm_sel = P.$$$ "(" |-- P.list1
wenzelm@27812
   173
 (P.nat --| P.minus -- P.nat >> Facts.FromTo ||
wenzelm@27812
   174
  P.nat --| P.minus >> Facts.From ||
wenzelm@27812
   175
  P.nat >> Facts.Single) --| P.$$$ ")";
wenzelm@27812
   176
wenzelm@18636
   177
local
wenzelm@18636
   178
wenzelm@21698
   179
val fact_name = Args.internal_fact >> K "<fact>" || Args.name;
wenzelm@21698
   180
wenzelm@26336
   181
fun gen_thm pick = Scan.depend (fn context =>
wenzelm@26336
   182
  let
wenzelm@26336
   183
    val thy = Context.theory_of context;
wenzelm@26685
   184
    val get = Context.cases (PureThy.get_fact context) ProofContext.get_fact context;
wenzelm@26361
   185
    val get_fact = get o Facts.Fact;
wenzelm@27820
   186
    fun get_named pos name = get (Facts.Named ((name, pos), NONE));
wenzelm@26336
   187
  in
wenzelm@27820
   188
    P.$$$ "[" |-- Args.attribs (intern thy) --| P.$$$ "]" >> (fn srcs =>
wenzelm@24008
   189
      let
wenzelm@26336
   190
        val atts = map (attribute_i thy) srcs;
wenzelm@26336
   191
        val (context', th') = Library.apply atts (context, Drule.dummy_thm);
wenzelm@26336
   192
      in (context', pick "" [th']) end)
wenzelm@26336
   193
    ||
wenzelm@26336
   194
    (Scan.ahead Args.alt_name -- Args.named_fact get_fact
wenzelm@27820
   195
      >> (fn (s, fact) => ("", Facts.Fact s, fact)) ||
wenzelm@27820
   196
     Scan.ahead (P.position fact_name) :|-- (fn (name, pos) =>
wenzelm@27820
   197
      Args.named_fact (get_named pos) -- Scan.option thm_sel
wenzelm@27820
   198
        >> (fn (fact, sel) => (name, Facts.Named ((name, pos), sel), fact))))
wenzelm@26336
   199
    -- Args.opt_attribs (intern thy) >> (fn ((name, thmref, fact), srcs) =>
wenzelm@26336
   200
      let
wenzelm@26336
   201
        val ths = Facts.select thmref fact;
wenzelm@26336
   202
        val atts = map (attribute_i thy) srcs;
wenzelm@30190
   203
        val (context', ths') = Library.foldl_map (Library.apply atts) (context, ths);
wenzelm@26336
   204
      in (context', pick name ths') end)
wenzelm@26336
   205
  end);
berghofe@15456
   206
wenzelm@18636
   207
in
wenzelm@18636
   208
wenzelm@26336
   209
val thm = gen_thm Facts.the_single;
wenzelm@18998
   210
val multi_thm = gen_thm (K I);
wenzelm@19482
   211
val thms = Scan.repeat multi_thm >> flat;
wenzelm@18636
   212
wenzelm@18636
   213
end;
wenzelm@18636
   214
wenzelm@5823
   215
wenzelm@5879
   216
wenzelm@25983
   217
(** basic attributes **)
wenzelm@25983
   218
wenzelm@25983
   219
(* internal *)
wenzelm@25983
   220
wenzelm@27812
   221
fun internal att = Args.src (("Pure.attribute", [T.mk_attribute att]), Position.none);
wenzelm@25983
   222
wenzelm@25983
   223
wenzelm@25983
   224
(* rule composition *)
wenzelm@25983
   225
wenzelm@25983
   226
val COMP_att =
wenzelm@31305
   227
  Scan.lift (Scan.optional (Args.bracks P.nat) 1) -- thm
wenzelm@31305
   228
    >> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => Drule.compose_single (A, i, B)));
wenzelm@25983
   229
wenzelm@25983
   230
val THEN_att =
wenzelm@31305
   231
  Scan.lift (Scan.optional (Args.bracks P.nat) 1) -- thm
wenzelm@31305
   232
    >> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => A RSN (i, B)));
wenzelm@25983
   233
wenzelm@25983
   234
val OF_att =
wenzelm@31305
   235
  thms >> (fn Bs => Thm.rule_attribute (fn _ => fn A => Bs MRS A));
wenzelm@25983
   236
wenzelm@25983
   237
wenzelm@25983
   238
(* rename_abs *)
wenzelm@25983
   239
wenzelm@31323
   240
fun rename_abs x = (Scan.repeat (Args.maybe Args.name) >> (apsnd o Drule.rename_bvars')) x;
wenzelm@25983
   241
wenzelm@25983
   242
wenzelm@25983
   243
(* unfold / fold definitions *)
wenzelm@25983
   244
wenzelm@25983
   245
fun unfolded_syntax rule =
wenzelm@31305
   246
  thms >> (fn ths => Thm.rule_attribute (fn context => rule (Context.proof_of context) ths));
wenzelm@25983
   247
wenzelm@25983
   248
val unfolded = unfolded_syntax LocalDefs.unfold;
wenzelm@25983
   249
val folded = unfolded_syntax LocalDefs.fold;
wenzelm@25983
   250
wenzelm@25983
   251
wenzelm@25983
   252
(* rule format *)
wenzelm@25983
   253
wenzelm@31305
   254
val rule_format = Args.mode "no_asm"
wenzelm@31305
   255
  >> (fn true => ObjectLogic.rule_format_no_asm | false => ObjectLogic.rule_format);
wenzelm@25983
   256
wenzelm@31305
   257
val elim_format = Thm.rule_attribute (K Tactic.make_elim);
wenzelm@25983
   258
wenzelm@25983
   259
wenzelm@25983
   260
(* misc rules *)
wenzelm@25983
   261
wenzelm@31305
   262
val no_vars = Thm.rule_attribute (fn context => fn th =>
wenzelm@26715
   263
  let
wenzelm@26715
   264
    val ctxt = Variable.set_body false (Context.proof_of context);
wenzelm@31794
   265
    val ((_, [th']), _) = Variable.import true [th] ctxt;
wenzelm@31305
   266
  in th' end);
wenzelm@25983
   267
wenzelm@25983
   268
val eta_long =
wenzelm@31305
   269
  Thm.rule_attribute (K (Conv.fconv_rule Drule.eta_long_conversion));
wenzelm@25983
   270
wenzelm@31305
   271
val rotated = Scan.optional P.int 1 >> (fn n => Thm.rule_attribute (K (rotate_prems n)));
berghofe@29690
   272
wenzelm@25983
   273
wenzelm@25983
   274
(* theory setup *)
wenzelm@5823
   275
wenzelm@26463
   276
val _ = Context.>> (Context.map_theory
wenzelm@31305
   277
 (setup (Binding.name "attribute") (Scan.lift Args.internal_attribute >> Morphism.form)
wenzelm@31305
   278
    "internal attribute" #>
wenzelm@31305
   279
  setup (Binding.name "tagged") (Scan.lift (Args.name -- Args.name) >> Thm.tag) "tagged theorem" #>
wenzelm@31305
   280
  setup (Binding.name "untagged") (Scan.lift Args.name >> Thm.untag) "untagged theorem" #>
wenzelm@31305
   281
  setup (Binding.name "kind") (Scan.lift Args.name >> Thm.kind) "theorem kind" #>
wenzelm@31305
   282
  setup (Binding.name "COMP") COMP_att "direct composition with rules (no lifting)" #>
wenzelm@31305
   283
  setup (Binding.name "THEN") THEN_att "resolution with rule" #>
wenzelm@31305
   284
  setup (Binding.name "OF") OF_att "rule applied to facts" #>
wenzelm@31305
   285
  setup (Binding.name "rename_abs") (Scan.lift rename_abs)
wenzelm@31305
   286
    "rename bound variables in abstractions" #>
wenzelm@31305
   287
  setup (Binding.name "unfolded") unfolded "unfolded definitions" #>
wenzelm@31305
   288
  setup (Binding.name "folded") folded "folded definitions" #>
wenzelm@33368
   289
  setup (Binding.name "consumes") (Scan.lift (Scan.optional P.nat 1) >> Rule_Cases.consumes)
wenzelm@31305
   290
    "number of consumed facts" #>
wenzelm@33368
   291
  setup (Binding.name "case_names") (Scan.lift (Scan.repeat1 Args.name) >> Rule_Cases.case_names)
wenzelm@31305
   292
    "named rule cases" #>
wenzelm@31305
   293
  setup (Binding.name "case_conclusion")
wenzelm@33368
   294
    (Scan.lift (Args.name -- Scan.repeat Args.name) >> Rule_Cases.case_conclusion)
wenzelm@31305
   295
    "named conclusion of rule cases" #>
wenzelm@31305
   296
  setup (Binding.name "params")
wenzelm@33368
   297
    (Scan.lift (P.and_list1 (Scan.repeat Args.name)) >> Rule_Cases.params)
wenzelm@31305
   298
    "named rule parameters" #>
wenzelm@31305
   299
  setup (Binding.name "standard") (Scan.succeed (Thm.rule_attribute (K Drule.standard)))
wenzelm@31305
   300
    "result put into standard form (legacy)" #>
wenzelm@31305
   301
  setup (Binding.name "rule_format") rule_format "result put into canonical rule format" #>
wenzelm@31305
   302
  setup (Binding.name "elim_format") (Scan.succeed elim_format)
wenzelm@31305
   303
    "destruct rule turned into elimination rule format" #>
wenzelm@31305
   304
  setup (Binding.name "no_vars") (Scan.succeed no_vars) "frozen schematic vars" #>
wenzelm@31305
   305
  setup (Binding.name "eta_long") (Scan.succeed eta_long)
wenzelm@31305
   306
    "put theorem into eta long beta normal form" #>
wenzelm@31305
   307
  setup (Binding.name "atomize") (Scan.succeed ObjectLogic.declare_atomize)
wenzelm@31305
   308
    "declaration of atomize rule" #>
wenzelm@31305
   309
  setup (Binding.name "rulify") (Scan.succeed ObjectLogic.declare_rulify)
wenzelm@31305
   310
    "declaration of rulify rule" #>
wenzelm@31305
   311
  setup (Binding.name "rotated") (Scan.lift rotated) "rotated theorem premises" #>
wenzelm@31305
   312
  setup (Binding.name "defn") (add_del LocalDefs.defn_add LocalDefs.defn_del)
wenzelm@31305
   313
    "declaration of definitional transformations" #>
wenzelm@31305
   314
  setup (Binding.name "abs_def") (Scan.succeed (Thm.rule_attribute (K Drule.abs_def)))
wenzelm@31305
   315
    "abstract over free variables of a definition"));
wenzelm@8633
   316
wenzelm@5823
   317
wenzelm@5823
   318
wenzelm@24110
   319
(** configuration options **)
wenzelm@24110
   320
wenzelm@24110
   321
(* naming *)
wenzelm@24110
   322
wenzelm@33522
   323
structure Configs = Theory_Data
wenzelm@24713
   324
(
wenzelm@24110
   325
  type T = Config.value Config.T Symtab.table;
wenzelm@24110
   326
  val empty = Symtab.empty;
wenzelm@24110
   327
  val extend = I;
wenzelm@33522
   328
  fun merge data = Symtab.merge (K true) data;
wenzelm@24713
   329
);
wenzelm@5823
   330
wenzelm@24110
   331
fun print_configs ctxt =
wenzelm@24110
   332
  let
wenzelm@24110
   333
    val thy = ProofContext.theory_of ctxt;
wenzelm@24110
   334
    fun prt (name, config) =
wenzelm@24110
   335
      let val value = Config.get ctxt config in
wenzelm@24110
   336
        Pretty.block [Pretty.str (name ^ ": " ^ Config.print_type value ^ " ="), Pretty.brk 1,
wenzelm@24110
   337
          Pretty.str (Config.print_value value)]
wenzelm@24110
   338
      end;
wenzelm@33095
   339
    val configs = Name_Space.extern_table (#1 (Attributes.get thy), Configs.get thy);
wenzelm@24110
   340
  in Pretty.writeln (Pretty.big_list "configuration options" (map prt configs)) end;
wenzelm@24110
   341
wenzelm@24110
   342
wenzelm@24110
   343
(* concrete syntax *)
wenzelm@23988
   344
wenzelm@24003
   345
local
wenzelm@24003
   346
wenzelm@27820
   347
val equals = P.$$$ "=";
wenzelm@24003
   348
wenzelm@24110
   349
fun scan_value (Config.Bool _) =
wenzelm@24110
   350
      equals -- Args.$$$ "false" >> K (Config.Bool false) ||
wenzelm@24110
   351
      equals -- Args.$$$ "true" >> K (Config.Bool true) ||
wenzelm@24110
   352
      Scan.succeed (Config.Bool true)
wenzelm@27812
   353
  | scan_value (Config.Int _) = equals |-- P.int >> Config.Int
wenzelm@24110
   354
  | scan_value (Config.String _) = equals |-- Args.name >> Config.String;
wenzelm@24003
   355
wenzelm@24110
   356
fun scan_config thy config =
wenzelm@24110
   357
  let val config_type = Config.get_thy thy config
wenzelm@24110
   358
  in scan_value config_type >> (K o Thm.declaration_attribute o K o Config.put_generic config) end;
wenzelm@24003
   359
wenzelm@24003
   360
in
wenzelm@24003
   361
wenzelm@24126
   362
fun register_config config thy =
wenzelm@24126
   363
  let
wenzelm@24126
   364
    val bname = Config.name_of config;
haftmann@28965
   365
    val name = Sign.full_bname thy bname;
wenzelm@24126
   366
  in
wenzelm@24126
   367
    thy
wenzelm@31306
   368
    |> setup (Binding.name bname) (Scan.lift (scan_config thy config) >> Morphism.form)
wenzelm@31306
   369
      "configuration option"
wenzelm@24126
   370
    |> Configs.map (Symtab.update (name, config))
wenzelm@24126
   371
  end;
wenzelm@24110
   372
wenzelm@24110
   373
fun declare_config make coerce global name default =
wenzelm@24110
   374
  let
wenzelm@24110
   375
    val config_value = Config.declare global name (make default);
wenzelm@24110
   376
    val config = coerce config_value;
wenzelm@24126
   377
  in (config, register_config config_value) end;
wenzelm@24110
   378
wenzelm@24110
   379
val config_bool   = declare_config Config.Bool Config.bool false;
wenzelm@24110
   380
val config_int    = declare_config Config.Int Config.int false;
wenzelm@24110
   381
val config_string = declare_config Config.String Config.string false;
wenzelm@24110
   382
wenzelm@24110
   383
val config_bool_global   = declare_config Config.Bool Config.bool true;
wenzelm@24110
   384
val config_int_global    = declare_config Config.Int Config.int true;
wenzelm@24110
   385
val config_string_global = declare_config Config.String Config.string true;
wenzelm@24003
   386
wenzelm@24003
   387
end;
wenzelm@23988
   388
wenzelm@23988
   389
wenzelm@18636
   390
(* theory setup *)
wenzelm@5823
   391
wenzelm@26463
   392
val _ = Context.>> (Context.map_theory
wenzelm@24178
   393
 (register_config Unify.trace_bound_value #>
wenzelm@24178
   394
  register_config Unify.search_bound_value #>
wenzelm@24178
   395
  register_config Unify.trace_simp_value #>
wenzelm@24178
   396
  register_config Unify.trace_types_value #>
wenzelm@26463
   397
  register_config MetaSimplifier.simp_depth_limit_value));
wenzelm@5823
   398
wenzelm@5823
   399
end;