src/Tools/Code/code_target.ML
author traytel
Thu Sep 29 09:37:59 2011 +0200 (2011-09-29)
changeset 45102 7bb89635eb51
parent 44751 f523923d8182
child 46614 165886a4fe64
permissions -rw-r--r--
correct coercion generation in case of unknown map functions
haftmann@37745
     1
(*  Title:      Tools/Code/code_target.ML
haftmann@24219
     2
    Author:     Florian Haftmann, TU Muenchen
haftmann@24219
     3
haftmann@38910
     4
Generic infrastructure for target language data.
haftmann@24219
     5
*)
haftmann@24219
     6
haftmann@24219
     7
signature CODE_TARGET =
haftmann@24219
     8
sig
haftmann@36471
     9
  val cert_tyco: theory -> string -> string
haftmann@36471
    10
  val read_tyco: theory -> string -> string
haftmann@39057
    11
  val read_const_exprs: theory -> string list -> string list
haftmann@36471
    12
haftmann@38933
    13
  val export_code_for: theory -> Path.T option -> string -> int option -> string -> Token.T list
haftmann@38918
    14
    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
haftmann@38933
    15
  val produce_code_for: theory -> string -> int option -> string -> Token.T list
haftmann@38929
    16
    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
haftmann@38933
    17
  val present_code_for: theory -> string -> int option -> string -> Token.T list
haftmann@38929
    18
    -> Code_Thingol.naming -> Code_Thingol.program -> string list * string list -> string
haftmann@38918
    19
  val check_code_for: theory -> string -> bool -> Token.T list
haftmann@38918
    20
    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
haftmann@38918
    21
haftmann@38918
    22
  val export_code: theory -> string list
haftmann@38933
    23
    -> (((string * string) * Path.T option) * Token.T list) list -> unit
haftmann@38929
    24
  val produce_code: theory -> string list
haftmann@38933
    25
    -> string -> int option -> string -> Token.T list -> string * string option list
haftmann@38929
    26
  val present_code: theory -> string list -> (Code_Thingol.naming -> string list)
haftmann@38933
    27
    -> string -> int option -> string -> Token.T list -> string
haftmann@38918
    28
  val check_code: theory -> string list
haftmann@38918
    29
    -> ((string * bool) * Token.T list) list -> unit
haftmann@38918
    30
haftmann@41344
    31
  val evaluator: theory -> string -> Code_Thingol.naming -> Code_Thingol.program
haftmann@41344
    32
    -> string list -> ((string * class list) list * Code_Thingol.itype) * Code_Thingol.iterm
haftmann@41344
    33
    -> string * string
haftmann@41344
    34
haftmann@28054
    35
  type serializer
haftmann@34152
    36
  type literals = Code_Printer.literals
haftmann@37822
    37
  val add_target: string * { serializer: serializer, literals: literals,
wenzelm@41940
    38
    check: { env_var: string, make_destination: Path.T -> Path.T, make_command: string -> string } }
wenzelm@41940
    39
    -> theory -> theory
haftmann@28663
    40
  val extend_target: string *
haftmann@28663
    41
      (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
haftmann@28054
    42
    -> theory -> theory
haftmann@28054
    43
  val assert_target: theory -> string -> string
haftmann@38918
    44
  val the_literals: theory -> string -> literals
haftmann@28054
    45
  type serialization
wenzelm@36959
    46
  val parse_args: 'a parser -> Token.T list -> 'a
haftmann@38916
    47
  val serialization: (int -> Path.T option -> 'a -> unit)
haftmann@39102
    48
    -> (string list -> int -> 'a -> string * (string -> string option))
haftmann@38925
    49
    -> 'a -> serialization
haftmann@38918
    50
  val set_default_code_width: int -> theory -> theory
haftmann@38917
    51
haftmann@28054
    52
  val allow_abort: string -> theory -> theory
haftmann@34152
    53
  type tyco_syntax = Code_Printer.tyco_syntax
haftmann@37876
    54
  type const_syntax = Code_Printer.const_syntax
haftmann@38923
    55
  val add_class_syntax: string -> class -> string option -> theory -> theory
haftmann@38923
    56
  val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
haftmann@38923
    57
  val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
haftmann@38923
    58
  val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
haftmann@28054
    59
  val add_reserved: string -> string -> theory -> theory
haftmann@33969
    60
  val add_include: string -> string * (string * string list) option -> theory -> theory
haftmann@39646
    61
haftmann@39750
    62
  val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
wenzelm@43564
    63
wenzelm@43564
    64
  val setup: theory -> theory
haftmann@24219
    65
end;
haftmann@24219
    66
haftmann@28054
    67
structure Code_Target : CODE_TARGET =
haftmann@24219
    68
struct
haftmann@24219
    69
haftmann@28054
    70
open Basic_Code_Thingol;
haftmann@34152
    71
haftmann@34152
    72
type literals = Code_Printer.literals;
haftmann@34152
    73
type tyco_syntax = Code_Printer.tyco_syntax;
haftmann@37876
    74
type const_syntax = Code_Printer.const_syntax;
haftmann@34152
    75
haftmann@24219
    76
haftmann@38923
    77
(** abstract nonsense **)
haftmann@24219
    78
haftmann@38929
    79
datatype destination = Export of Path.T option | Produce | Present of string list;
haftmann@39102
    80
type serialization = int -> destination -> (string * (string -> string option)) option;
haftmann@27014
    81
haftmann@39659
    82
fun serialization output _ content width (Export some_path) =
haftmann@39661
    83
      (output width some_path content; NONE)
haftmann@39661
    84
  | serialization _ string content width Produce =
haftmann@39661
    85
      string [] width content |> SOME
haftmann@39659
    86
  | serialization _ string content width (Present stmt_names) =
haftmann@39661
    87
     string stmt_names width content
haftmann@39661
    88
     |> apfst (Pretty.output (SOME width) o Pretty.str)
haftmann@39661
    89
     |> SOME;
haftmann@39659
    90
haftmann@39661
    91
fun export some_path f = (f (Export some_path); ());
haftmann@39661
    92
fun produce f = the (f Produce);
haftmann@39661
    93
fun present stmt_names f = fst (the (f (Present stmt_names)));
haftmann@38917
    94
haftmann@24219
    95
haftmann@28054
    96
(** theory data **)
haftmann@28054
    97
haftmann@38923
    98
datatype symbol_syntax_data = Symbol_Syntax_Data of {
haftmann@28690
    99
  class: string Symtab.table,
haftmann@30648
   100
  instance: unit Symreltab.table,
haftmann@34152
   101
  tyco: Code_Printer.tyco_syntax Symtab.table,
haftmann@37876
   102
  const: Code_Printer.const_syntax Symtab.table
haftmann@28054
   103
};
haftmann@27000
   104
haftmann@38923
   105
fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
haftmann@38923
   106
  Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
haftmann@38923
   107
fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
haftmann@38923
   108
  make_symbol_syntax_data (f ((class, instance), (tyco, const)));
haftmann@38923
   109
fun merge_symbol_syntax_data
haftmann@38923
   110
  (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
haftmann@38923
   111
    Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
haftmann@38923
   112
  make_symbol_syntax_data (
haftmann@28054
   113
    (Symtab.join (K snd) (class1, class2),
haftmann@30648
   114
       Symreltab.join (K snd) (instance1, instance2)),
haftmann@28054
   115
    (Symtab.join (K snd) (tyco1, tyco2),
haftmann@28054
   116
       Symtab.join (K snd) (const1, const2))
haftmann@28054
   117
  );
haftmann@28054
   118
haftmann@39142
   119
type serializer = Token.T list
haftmann@39142
   120
  -> {
haftmann@38926
   121
    labelled_name: string -> string,
haftmann@38926
   122
    reserved_syms: string list,
haftmann@38926
   123
    includes: (string * Pretty.T) list,
haftmann@38926
   124
    module_alias: string -> string option,
haftmann@38926
   125
    class_syntax: string -> string option,
haftmann@38926
   126
    tyco_syntax: string -> Code_Printer.tyco_syntax option,
haftmann@41342
   127
    const_syntax: string -> Code_Printer.activated_const_syntax option }
haftmann@41342
   128
  -> Code_Thingol.program
haftmann@28054
   129
  -> serialization;
haftmann@27000
   130
haftmann@38909
   131
datatype description = Fundamental of { serializer: serializer,
haftmann@38910
   132
      literals: literals,
haftmann@37822
   133
      check: { env_var: string, make_destination: Path.T -> Path.T,
wenzelm@41940
   134
        make_command: string -> string } }
haftmann@38909
   135
  | Extension of string *
haftmann@38909
   136
      (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
haftmann@28054
   137
haftmann@28054
   138
datatype target = Target of {
haftmann@28054
   139
  serial: serial,
haftmann@37821
   140
  description: description,
haftmann@28054
   141
  reserved: string list,
haftmann@28926
   142
  includes: (Pretty.T * string list) Symtab.table,
haftmann@38925
   143
  module_alias: string Symtab.table,
haftmann@38925
   144
  symbol_syntax: symbol_syntax_data
haftmann@28054
   145
};
haftmann@27103
   146
haftmann@38925
   147
fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
wenzelm@43564
   148
  Target { serial = serial, description = description, reserved = reserved,
haftmann@38925
   149
    includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
haftmann@38925
   150
fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
haftmann@38925
   151
  make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
haftmann@37821
   152
fun merge_target strict target (Target { serial = serial1, description = description,
haftmann@28054
   153
  reserved = reserved1, includes = includes1,
haftmann@38925
   154
  module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
haftmann@37821
   155
    Target { serial = serial2, description = _,
haftmann@28054
   156
      reserved = reserved2, includes = includes2,
haftmann@38925
   157
      module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
haftmann@28054
   158
  if serial1 = serial2 orelse not strict then
haftmann@37821
   159
    make_target ((serial1, description),
haftmann@37972
   160
      ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
haftmann@38925
   161
        (Symtab.join (K snd) (module_alias1, module_alias2),
haftmann@38925
   162
          merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
haftmann@28054
   163
    ))
haftmann@28054
   164
  else
haftmann@37821
   165
    error ("Incompatible targets: " ^ quote target);
haftmann@27103
   166
haftmann@37821
   167
fun the_description (Target { description, ... }) = description;
haftmann@28054
   168
fun the_reserved (Target { reserved, ... }) = reserved;
haftmann@28054
   169
fun the_includes (Target { includes, ... }) = includes;
haftmann@28054
   170
fun the_module_alias (Target { module_alias , ... }) = module_alias;
haftmann@38925
   171
fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
haftmann@27437
   172
haftmann@34248
   173
structure Targets = Theory_Data
haftmann@34071
   174
(
haftmann@34071
   175
  type T = (target Symtab.table * string list) * int;
haftmann@34071
   176
  val empty = ((Symtab.empty, []), 80);
haftmann@34071
   177
  val extend = I;
haftmann@34071
   178
  fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
haftmann@34071
   179
    ((Symtab.join (merge_target true) (target1, target2),
haftmann@34071
   180
      Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
haftmann@34071
   181
);
haftmann@27436
   182
haftmann@34248
   183
val abort_allowed = snd o fst o Targets.get;
haftmann@34071
   184
haftmann@34248
   185
fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
haftmann@33969
   186
  then target
haftmann@33969
   187
  else error ("Unknown code target language: " ^ quote target);
haftmann@28054
   188
haftmann@28054
   189
fun put_target (target, seri) thy =
haftmann@27304
   190
  let
haftmann@34248
   191
    val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
haftmann@28054
   192
    val _ = case seri
haftmann@37821
   193
     of Extension (super, _) => if is_some (lookup_target super) then ()
haftmann@28054
   194
          else error ("Unknown code target language: " ^ quote super)
haftmann@28054
   195
      | _ => ();
haftmann@37821
   196
    val overwriting = case (Option.map the_description o lookup_target) target
haftmann@28663
   197
     of NONE => false
haftmann@37821
   198
      | SOME (Extension _) => true
haftmann@37821
   199
      | SOME (Fundamental _) => (case seri
haftmann@37821
   200
         of Extension _ => error ("Will not overwrite existing target " ^ quote target)
haftmann@28663
   201
          | _ => true);
haftmann@28663
   202
    val _ = if overwriting
haftmann@28054
   203
      then warning ("Overwriting existing target " ^ quote target)
wenzelm@43564
   204
      else ();
haftmann@28054
   205
  in
haftmann@28054
   206
    thy
haftmann@34248
   207
    |> (Targets.map o apfst o apfst o Symtab.update)
haftmann@31599
   208
          (target, make_target ((serial (), seri), (([], Symtab.empty),
haftmann@38925
   209
            (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
haftmann@38925
   210
              (Symtab.empty, Symtab.empty))))))
haftmann@28054
   211
  end;
haftmann@27436
   212
haftmann@37821
   213
fun add_target (target, seri) = put_target (target, Fundamental seri);
haftmann@28054
   214
fun extend_target (target, (super, modify)) =
haftmann@37821
   215
  put_target (target, Extension (super, modify));
haftmann@27436
   216
haftmann@28054
   217
fun map_target_data target f thy =
haftmann@27436
   218
  let
haftmann@28054
   219
    val _ = assert_target thy target;
haftmann@28054
   220
  in
haftmann@28054
   221
    thy
haftmann@34248
   222
    |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
haftmann@28054
   223
  end;
haftmann@27304
   224
haftmann@28054
   225
fun map_reserved target =
haftmann@28054
   226
  map_target_data target o apsnd o apfst o apfst;
haftmann@28054
   227
fun map_includes target =
haftmann@28054
   228
  map_target_data target o apsnd o apfst o apsnd;
haftmann@28054
   229
fun map_module_alias target =
haftmann@38925
   230
  map_target_data target o apsnd o apsnd o apfst;
haftmann@38925
   231
fun map_symbol_syntax target =
haftmann@38925
   232
  map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
haftmann@27000
   233
haftmann@34248
   234
fun set_default_code_width k = (Targets.map o apsnd) (K k);
haftmann@34071
   235
haftmann@27000
   236
haftmann@34021
   237
(** serializer usage **)
haftmann@34021
   238
haftmann@34021
   239
(* montage *)
haftmann@34021
   240
haftmann@37822
   241
fun the_fundamental thy =
haftmann@34021
   242
  let
haftmann@34248
   243
    val ((targets, _), _) = Targets.get thy;
haftmann@37822
   244
    fun fundamental target = case Symtab.lookup targets target
haftmann@37821
   245
     of SOME data => (case the_description data
haftmann@37822
   246
         of Fundamental data => data
haftmann@37822
   247
          | Extension (super, _) => fundamental super)
haftmann@34021
   248
      | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@37822
   249
  in fundamental end;
haftmann@37822
   250
haftmann@37822
   251
fun the_literals thy = #literals o the_fundamental thy;
haftmann@34021
   252
haftmann@39817
   253
fun collapse_hierarchy thy =
haftmann@38927
   254
  let
haftmann@39817
   255
    val ((targets, _), _) = Targets.get thy;
wenzelm@43564
   256
    fun collapse target =
haftmann@38927
   257
      let
haftmann@38927
   258
        val data = case Symtab.lookup targets target
haftmann@38927
   259
         of SOME data => data
haftmann@38927
   260
          | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@38927
   261
      in case the_description data
haftmann@39484
   262
       of Fundamental _ => (K I, data)
haftmann@38927
   263
        | Extension (super, modify) => let
haftmann@39817
   264
            val (modify', data') = collapse super
haftmann@39484
   265
          in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
haftmann@38927
   266
      end;
haftmann@39817
   267
  in collapse end;
haftmann@39817
   268
haftmann@39817
   269
local
haftmann@39817
   270
haftmann@39817
   271
fun activate_target thy target =
haftmann@39817
   272
  let
haftmann@39817
   273
    val ((targets, abortable), default_width) = Targets.get thy;
haftmann@39817
   274
    val (modify, data) = collapse_hierarchy thy target;
haftmann@39484
   275
  in (default_width, abortable, data, modify) end;
haftmann@38927
   276
haftmann@34021
   277
fun activate_syntax lookup_name src_tab = Symtab.empty
haftmann@34021
   278
  |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
haftmann@34021
   279
       of SOME name => (SOME name,
haftmann@34021
   280
            Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
haftmann@34021
   281
        | NONE => (NONE, tab)) (Symtab.keys src_tab)
haftmann@34021
   282
  |>> map_filter I;
haftmann@34021
   283
haftmann@34021
   284
fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
haftmann@37881
   285
  |> fold_map (fn c => fn (tab, naming) =>
haftmann@37881
   286
      case Code_Thingol.lookup_const naming c
haftmann@34021
   287
       of SOME name => let
haftmann@34021
   288
              val (syn, naming') = Code_Printer.activate_const_syntax thy
haftmann@37881
   289
                literals c (the (Symtab.lookup src_tab c)) naming
haftmann@34021
   290
            in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
haftmann@34021
   291
        | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
haftmann@34021
   292
  |>> map_filter I;
haftmann@34021
   293
haftmann@38927
   294
fun activate_symbol_syntax thy literals naming
haftmann@38927
   295
    class_syntax instance_syntax tyco_syntax const_syntax =
haftmann@34021
   296
  let
haftmann@38927
   297
    val (names_class, class_syntax') =
haftmann@38927
   298
      activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
haftmann@34021
   299
    val names_inst = map_filter (Code_Thingol.lookup_instance naming)
haftmann@38927
   300
      (Symreltab.keys instance_syntax);
haftmann@38927
   301
    val (names_tyco, tyco_syntax') =
haftmann@38927
   302
      activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
haftmann@38927
   303
    val (names_const, (const_syntax', _)) =
haftmann@38927
   304
      activate_const_syntax thy literals const_syntax naming;
haftmann@38927
   305
  in
haftmann@38927
   306
    (names_class @ names_inst @ names_tyco @ names_const,
haftmann@38927
   307
      (class_syntax', tyco_syntax', const_syntax'))
haftmann@38927
   308
  end;
haftmann@38927
   309
haftmann@38927
   310
fun project_program thy abortable names_hidden names1 program2 =
haftmann@38927
   311
  let
wenzelm@42361
   312
    val ctxt = Proof_Context.init_global thy;
haftmann@34021
   313
    val names2 = subtract (op =) names_hidden names1;
haftmann@34021
   314
    val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
haftmann@38936
   315
    val names4 = Graph.all_succs program3 names2;
haftmann@34021
   316
    val empty_funs = filter_out (member (op =) abortable)
haftmann@34021
   317
      (Code_Thingol.empty_funs program3);
wenzelm@42359
   318
    val _ =
wenzelm@42359
   319
      if null empty_funs then ()
wenzelm@42359
   320
      else error ("No code equations for " ^
wenzelm@42361
   321
        commas (map (Proof_Context.extern_const ctxt) empty_funs));
haftmann@38936
   322
    val program4 = Graph.subgraph (member (op =) names4) program3;
haftmann@38936
   323
  in (names4, program4) end;
haftmann@38927
   324
haftmann@41342
   325
fun prepare_serializer thy abortable serializer literals reserved all_includes
haftmann@38927
   326
    module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
haftmann@39058
   327
    module_name args naming proto_program names =
haftmann@38927
   328
  let
haftmann@38927
   329
    val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
haftmann@38927
   330
      activate_symbol_syntax thy literals naming
haftmann@38927
   331
        proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
haftmann@38927
   332
    val (names_all, program) = project_program thy abortable names_hidden names proto_program;
haftmann@39484
   333
    fun select_include (name, (content, cs)) =
haftmann@39484
   334
      if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
haftmann@39484
   335
       of SOME name => member (op =) names_all name
haftmann@39484
   336
        | NONE => false) cs
haftmann@39484
   337
      then SOME (name, content) else NONE;
haftmann@39484
   338
    val includes = map_filter select_include (Symtab.dest all_includes);
haftmann@34021
   339
  in
haftmann@41342
   340
    (serializer args {
haftmann@38927
   341
      labelled_name = Code_Thingol.labelled_name thy proto_program,
haftmann@38926
   342
      reserved_syms = reserved,
haftmann@38926
   343
      includes = includes,
haftmann@38933
   344
      module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
haftmann@38927
   345
      class_syntax = Symtab.lookup class_syntax,
haftmann@38927
   346
      tyco_syntax = Symtab.lookup tyco_syntax,
haftmann@41342
   347
      const_syntax = Symtab.lookup const_syntax },
haftmann@41342
   348
      program)
haftmann@34021
   349
  end;
haftmann@34021
   350
haftmann@41342
   351
fun mount_serializer thy target some_width module_name args naming program names =
haftmann@34021
   352
  let
haftmann@39484
   353
    val (default_width, abortable, data, modify) = activate_target thy target;
haftmann@38921
   354
    val serializer = case the_description data
haftmann@38927
   355
     of Fundamental seri => #serializer seri;
haftmann@34021
   356
    val reserved = the_reserved data;
wenzelm@43564
   357
    val module_alias = the_module_alias data
haftmann@38925
   358
    val { class, instance, tyco, const } = the_symbol_syntax data;
haftmann@34021
   359
    val literals = the_literals thy target;
haftmann@41342
   360
    val (prepared_serializer, prepared_program) = prepare_serializer thy
haftmann@41342
   361
      abortable serializer literals reserved (the_includes data) module_alias
haftmann@41342
   362
        class instance tyco const module_name args
haftmann@41342
   363
          naming (modify naming program) names
haftmann@34071
   364
    val width = the_default default_width some_width;
haftmann@41344
   365
  in (fn program => prepared_serializer program width, prepared_program) end;
haftmann@41344
   366
haftmann@41344
   367
fun invoke_serializer thy target some_width module_name args naming program names =
haftmann@41344
   368
  let
haftmann@41344
   369
    val (mounted_serializer, prepared_program) = mount_serializer thy
haftmann@41344
   370
      target some_width module_name args naming program names;
haftmann@41344
   371
  in mounted_serializer prepared_program end;
haftmann@34021
   372
haftmann@38933
   373
fun assert_module_name "" = error ("Empty module name not allowed.")
haftmann@38933
   374
  | assert_module_name module_name = module_name;
haftmann@38933
   375
haftmann@34021
   376
in
haftmann@34021
   377
haftmann@39484
   378
fun export_code_for thy some_path target some_width module_name args =
haftmann@41344
   379
  export some_path ooo invoke_serializer thy target some_width module_name args;
haftmann@38918
   380
haftmann@39484
   381
fun produce_code_for thy target some_width module_name args =
haftmann@39102
   382
  let
haftmann@41344
   383
    val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   384
  in fn naming => fn program => fn names =>
haftmann@39661
   385
    produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
haftmann@39484
   386
  end;
haftmann@38929
   387
haftmann@39484
   388
fun present_code_for thy target some_width module_name args =
haftmann@39484
   389
  let
haftmann@41344
   390
    val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   391
  in fn naming => fn program => fn (names, selects) =>
haftmann@39661
   392
    present selects (serializer naming program names)
haftmann@39484
   393
  end;
haftmann@38918
   394
haftmann@38918
   395
fun check_code_for thy target strict args naming program names_cs =
haftmann@37824
   396
  let
bulwahn@44751
   397
    val module_name = "Generated_Code";
haftmann@37824
   398
    val { env_var, make_destination, make_command } =
haftmann@37824
   399
      (#check o the_fundamental thy) target;
wenzelm@41939
   400
    fun ext_check p =
wenzelm@43564
   401
      let
haftmann@37824
   402
        val destination = make_destination p;
haftmann@41344
   403
        val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
haftmann@39661
   404
          module_name args naming program names_cs);
wenzelm@41940
   405
        val cmd = make_command module_name;
wenzelm@43850
   406
      in
wenzelm@43850
   407
        if Isabelle_System.bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
haftmann@37824
   408
        then error ("Code check failed for " ^ target ^ ": " ^ cmd)
haftmann@37824
   409
        else ()
haftmann@37824
   410
      end;
wenzelm@43850
   411
  in
wenzelm@43850
   412
    if getenv env_var = ""
haftmann@37825
   413
    then if strict
haftmann@37825
   414
      then error (env_var ^ " not set; cannot check code for " ^ target)
haftmann@37825
   415
      else warning (env_var ^ " not set; skipped checking code for " ^ target)
wenzelm@41939
   416
    else Isabelle_System.with_tmp_dir "Code_Test" ext_check
haftmann@37824
   417
  end;
haftmann@37824
   418
haftmann@41364
   419
fun evaluation mounted_serializer prepared_program consts ((vs, ty), t) =
haftmann@41344
   420
  let
haftmann@41344
   421
    val _ = if Code_Thingol.contains_dict_var t then
haftmann@41344
   422
      error "Term to be evaluated contains free dictionaries" else ();
wenzelm@43324
   423
    val v' = singleton (Name.variant_list (map fst vs)) "a";
haftmann@41344
   424
    val vs' = (v', []) :: vs;
haftmann@41344
   425
    val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty];
haftmann@41344
   426
    val value_name = "Value.value.value"
haftmann@41344
   427
    val program = prepared_program
haftmann@41344
   428
      |> Graph.new_node (value_name,
haftmann@41344
   429
          Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE)))
haftmann@41364
   430
      |> fold (curry (perhaps o try o Graph.add_edge) value_name) consts;
haftmann@41344
   431
    val (program_code, deresolve) = produce (mounted_serializer program);
haftmann@41344
   432
    val value_name' = the (deresolve value_name);
haftmann@41344
   433
  in (program_code, value_name') end;
haftmann@41344
   434
haftmann@41364
   435
fun evaluator thy target naming program consts =
haftmann@41344
   436
  let
haftmann@41344
   437
    val (mounted_serializer, prepared_program) = mount_serializer thy
bulwahn@44751
   438
      target NONE "Generated_Code" [] naming program consts;
haftmann@41364
   439
  in evaluation mounted_serializer prepared_program consts end;
haftmann@41344
   440
haftmann@34021
   441
end; (* local *)
haftmann@34021
   442
haftmann@34021
   443
haftmann@34021
   444
(* code generation *)
haftmann@34021
   445
haftmann@34021
   446
fun transitivly_non_empty_funs thy naming program =
haftmann@34021
   447
  let
haftmann@34021
   448
    val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021
   449
    val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021
   450
  in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021
   451
haftmann@34021
   452
fun read_const_exprs thy cs =
haftmann@34021
   453
  let
haftmann@34021
   454
    val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@36271
   455
    val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
haftmann@36271
   456
    val names3 = transitivly_non_empty_funs thy naming program;
haftmann@36271
   457
    val cs3 = map_filter (fn (c, name) =>
haftmann@36271
   458
      if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
haftmann@36271
   459
  in union (op =) cs3 cs1 end;
haftmann@34021
   460
haftmann@38918
   461
fun prep_destination "" = NONE
haftmann@38918
   462
  | prep_destination "-" = NONE
haftmann@38918
   463
  | prep_destination s = SOME (Path.explode s);
haftmann@38918
   464
haftmann@34021
   465
fun export_code thy cs seris =
haftmann@34021
   466
  let
haftmann@37824
   467
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   468
    val _ = map (fn (((target, module_name), some_path), args) =>
haftmann@38918
   469
      export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
haftmann@34021
   470
  in () end;
haftmann@34021
   471
haftmann@38918
   472
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
haftmann@38918
   473
  ((map o apfst o apsnd) prep_destination seris);
haftmann@38918
   474
haftmann@38929
   475
fun produce_code thy cs target some_width some_module_name args =
haftmann@38918
   476
  let
haftmann@38918
   477
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   478
  in produce_code_for thy target some_width some_module_name args naming program names_cs end;
haftmann@38929
   479
haftmann@38929
   480
fun present_code thy cs names_stmt target some_width some_module_name args =
haftmann@38929
   481
  let
haftmann@38929
   482
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   483
  in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
haftmann@34021
   484
haftmann@37824
   485
fun check_code thy cs seris =
haftmann@37824
   486
  let
haftmann@37824
   487
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   488
    val _ = map (fn ((target, strict), args) =>
haftmann@38918
   489
      check_code_for thy target strict args naming program names_cs) seris;
haftmann@37824
   490
  in () end;
haftmann@37824
   491
haftmann@37824
   492
fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
haftmann@37824
   493
haftmann@39480
   494
local
haftmann@39480
   495
haftmann@39480
   496
val parse_const_terms = Scan.repeat1 Args.term
haftmann@39480
   497
  >> (fn ts => fn thy => map (Code.check_const thy) ts);
haftmann@39480
   498
haftmann@39480
   499
fun parse_names category parse internalize lookup =
haftmann@39480
   500
  Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
haftmann@39480
   501
  >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
wenzelm@43564
   502
haftmann@39480
   503
val parse_consts = parse_names "consts" Args.term
haftmann@39480
   504
  Code.check_const Code_Thingol.lookup_const ;
haftmann@39480
   505
haftmann@39480
   506
val parse_types = parse_names "types" (Scan.lift Args.name)
haftmann@39480
   507
  Sign.intern_type Code_Thingol.lookup_tyco;
haftmann@39480
   508
haftmann@39480
   509
val parse_classes = parse_names "classes" (Scan.lift Args.name)
haftmann@39480
   510
  Sign.intern_class Code_Thingol.lookup_class;
haftmann@39480
   511
haftmann@39480
   512
val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
haftmann@39480
   513
  (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
haftmann@39480
   514
    Code_Thingol.lookup_instance;
haftmann@39480
   515
haftmann@39480
   516
in
haftmann@39480
   517
wenzelm@43564
   518
val antiq_setup =
wenzelm@43564
   519
  Thy_Output.antiquotation @{binding code_stmts}
wenzelm@43564
   520
    (parse_const_terms --
wenzelm@43564
   521
      Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
wenzelm@43564
   522
      -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
wenzelm@43564
   523
    (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
wenzelm@43564
   524
      let val thy = Proof_Context.theory_of ctxt in
wenzelm@43564
   525
        present_code thy (mk_cs thy)
wenzelm@43564
   526
          (fn naming => maps (fn f => f thy naming) mk_stmtss)
wenzelm@43564
   527
          target some_width "Example" []
wenzelm@43564
   528
      end);
haftmann@39480
   529
haftmann@39480
   530
end;
haftmann@39480
   531
haftmann@34021
   532
haftmann@28054
   533
(** serializer configuration **)
haftmann@27000
   534
haftmann@27000
   535
(* data access *)
haftmann@24219
   536
haftmann@24992
   537
fun cert_class thy class =
haftmann@24992
   538
  let
haftmann@24992
   539
    val _ = AxClass.get_info thy class;
haftmann@24992
   540
  in class end;
haftmann@24992
   541
haftmann@27103
   542
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
   543
haftmann@24992
   544
fun cert_tyco thy tyco =
haftmann@24992
   545
  let
haftmann@24992
   546
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
   547
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
   548
  in tyco end;
haftmann@24992
   549
haftmann@27103
   550
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
   551
haftmann@34071
   552
fun cert_inst thy (class, tyco) =
haftmann@34071
   553
  (cert_class thy class, cert_tyco thy tyco);
haftmann@34071
   554
haftmann@34071
   555
fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071
   556
  (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071
   557
haftmann@37844
   558
fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
haftmann@24219
   559
  let
haftmann@37840
   560
    val x = prep_x thy raw_x;
haftmann@37844
   561
    val change = case some_raw_syn
haftmann@37844
   562
     of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
haftmann@37844
   563
      | NONE => del x;
haftmann@38925
   564
  in (map_symbol_syntax target o mapp) change thy end;
haftmann@24219
   565
haftmann@38923
   566
fun gen_add_class_syntax prep_class =
haftmann@37844
   567
  gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
haftmann@34071
   568
haftmann@38923
   569
fun gen_add_instance_syntax prep_inst =
haftmann@37844
   570
  gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
haftmann@24219
   571
haftmann@38923
   572
fun gen_add_tyco_syntax prep_tyco =
haftmann@37844
   573
  gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
haftmann@37844
   574
    (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
haftmann@34071
   575
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@37844
   576
      else syn);
haftmann@34071
   577
haftmann@38923
   578
fun gen_add_const_syntax prep_const =
haftmann@37844
   579
  gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
haftmann@37881
   580
    (fn thy => fn c => fn syn =>
haftmann@37881
   581
      if Code_Printer.requires_args syn > Code.args_number thy c
haftmann@24423
   582
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@37881
   583
      else syn);
haftmann@24219
   584
haftmann@39817
   585
fun add_reserved target sym thy =
haftmann@24219
   586
  let
haftmann@39817
   587
    val (_, data) = collapse_hierarchy thy target;
haftmann@39817
   588
    val _ = if member (op =) (the_reserved data) sym
haftmann@24219
   589
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@39817
   590
      else ();
haftmann@39817
   591
  in
haftmann@39817
   592
    thy
haftmann@39817
   593
    |> map_reserved target (insert (op =) sym)
haftmann@39817
   594
  end;
haftmann@24992
   595
haftmann@28926
   596
fun gen_add_include read_const target args thy =
haftmann@24992
   597
  let
haftmann@28926
   598
    fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992
   599
          let
haftmann@24992
   600
            val _ = if Symtab.defined incls name
haftmann@24992
   601
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
   602
              else ();
haftmann@28926
   603
            val cs = map (read_const thy) raw_cs;
haftmann@34152
   604
          in Symtab.update (name, (Code_Printer.str content, cs)) incls end
haftmann@28926
   605
      | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926
   606
  in map_includes target (add args) thy end;
haftmann@28926
   607
haftmann@33969
   608
val add_include = gen_add_include (K I);
haftmann@31156
   609
val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219
   610
haftmann@38933
   611
fun add_module_alias target (thyname, "") =
haftmann@38933
   612
      map_module_alias target (Symtab.delete thyname)
haftmann@38933
   613
  | add_module_alias target (thyname, modlname) =
haftmann@38933
   614
      let
haftmann@38933
   615
        val xs = Long_Name.explode modlname;
haftmann@38933
   616
        val xs' = map (Name.desymbolize true) xs;
haftmann@38933
   617
      in if xs' = xs
haftmann@38933
   618
        then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@38933
   619
        else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@38933
   620
          ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@38933
   621
      end;
haftmann@24219
   622
haftmann@28663
   623
fun gen_allow_abort prep_const raw_c thy =
haftmann@24841
   624
  let
haftmann@28663
   625
    val c = prep_const thy raw_c;
haftmann@34248
   626
  in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841
   627
haftmann@27000
   628
haftmann@27103
   629
(* concrete syntax *)
haftmann@27000
   630
haftmann@34021
   631
local
haftmann@34021
   632
haftmann@34152
   633
fun zip_list (x::xs) f g =
haftmann@34152
   634
  f
haftmann@37881
   635
  :|-- (fn y =>
haftmann@34152
   636
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@37881
   637
    :|-- (fn xys => pair ((x, y) :: xys)));
haftmann@34152
   638
haftmann@37881
   639
fun process_multi_syntax parse_thing parse_syntax change =
haftmann@37881
   640
  (Parse.and_list1 parse_thing
haftmann@37881
   641
  :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
haftmann@37881
   642
        (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
haftmann@37881
   643
  >> (Toplevel.theory oo fold)
haftmann@37881
   644
    (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
haftmann@24219
   645
haftmann@24219
   646
in
haftmann@24219
   647
haftmann@38923
   648
val add_class_syntax = gen_add_class_syntax cert_class;
haftmann@38923
   649
val add_instance_syntax = gen_add_instance_syntax cert_inst;
haftmann@38923
   650
val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
haftmann@38923
   651
val add_const_syntax = gen_add_const_syntax (K I);
haftmann@27103
   652
val allow_abort = gen_allow_abort (K I);
haftmann@28054
   653
val add_reserved = add_reserved;
haftmann@33969
   654
val add_include = add_include;
haftmann@24219
   655
haftmann@38923
   656
val add_class_syntax_cmd = gen_add_class_syntax read_class;
haftmann@38923
   657
val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
haftmann@38923
   658
val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
haftmann@38923
   659
val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
haftmann@31156
   660
val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219
   661
haftmann@28054
   662
fun parse_args f args =
wenzelm@36959
   663
  case Scan.read Token.stopper f args
haftmann@28054
   664
   of SOME x => x
haftmann@28054
   665
    | NONE => error "Bad serializer arguments";
haftmann@28054
   666
haftmann@28054
   667
haftmann@27304
   668
(** Isar setup **)
haftmann@27103
   669
haftmann@37824
   670
val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
haftmann@37824
   671
haftmann@37824
   672
val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
haftmann@27103
   673
haftmann@30494
   674
val code_exprP =
haftmann@37824
   675
  Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
haftmann@37825
   676
    ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
haftmann@37825
   677
      -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
haftmann@37824
   678
      >> (fn seris => check_code_cmd raw_cs seris)
haftmann@37824
   679
    || Scan.repeat (Parse.$$$ inK |-- Parse.name
haftmann@38933
   680
       -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
haftmann@37824
   681
       -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
haftmann@37824
   682
       -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
haftmann@27103
   683
haftmann@37824
   684
val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
wenzelm@24867
   685
wenzelm@24867
   686
val _ =
wenzelm@36960
   687
  Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
haftmann@37881
   688
    process_multi_syntax Parse.xname (Scan.option Parse.string)
haftmann@38923
   689
    add_class_syntax_cmd);
haftmann@24219
   690
wenzelm@24867
   691
val _ =
wenzelm@36960
   692
  Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
haftmann@37881
   693
    process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
wenzelm@36960
   694
      (Scan.option (Parse.minus >> K ()))
haftmann@38923
   695
    add_instance_syntax_cmd);
haftmann@24219
   696
wenzelm@24867
   697
val _ =
wenzelm@36960
   698
  Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
haftmann@37881
   699
    process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
haftmann@38923
   700
    add_tyco_syntax_cmd);
haftmann@24219
   701
wenzelm@24867
   702
val _ =
wenzelm@36960
   703
  Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
haftmann@37881
   704
    process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
haftmann@38923
   705
    add_const_syntax_cmd);
haftmann@24219
   706
wenzelm@24867
   707
val _ =
wenzelm@36960
   708
  Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
wenzelm@36960
   709
    Keyword.thy_decl (
wenzelm@36960
   710
    Parse.name -- Scan.repeat1 Parse.name
haftmann@24219
   711
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
   712
  );
haftmann@24219
   713
wenzelm@24867
   714
val _ =
wenzelm@36960
   715
  Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
wenzelm@36960
   716
    Keyword.thy_decl (
wenzelm@36960
   717
    Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
wenzelm@36960
   718
      | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
haftmann@28926
   719
    >> (fn ((target, name), content_consts) =>
haftmann@28926
   720
        (Toplevel.theory o add_include_cmd target) (name, content_consts))
haftmann@24992
   721
  );
haftmann@24992
   722
haftmann@24992
   723
val _ =
wenzelm@36960
   724
  Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
wenzelm@36960
   725
    Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
haftmann@27103
   726
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103
   727
  );
haftmann@27103
   728
haftmann@27103
   729
val _ =
wenzelm@36960
   730
  Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
wenzelm@36960
   731
    Keyword.thy_decl (
wenzelm@36960
   732
    Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841
   733
  );
haftmann@24219
   734
wenzelm@24867
   735
val _ =
wenzelm@36960
   736
  Outer_Syntax.command "export_code" "generate executable code for constants"
wenzelm@36960
   737
    Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494
   738
haftmann@24219
   739
end; (*local*)
haftmann@24219
   740
haftmann@39646
   741
haftmann@39646
   742
(** external entrance point -- for codegen tool **)
haftmann@39646
   743
haftmann@39750
   744
fun codegen_tool thyname cmd_expr =
haftmann@39646
   745
  let
haftmann@39646
   746
    val thy = Thy_Info.get_theory thyname;
haftmann@39646
   747
    val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
haftmann@39646
   748
      (filter Token.is_proper o Outer_Syntax.scan Position.none);
haftmann@39646
   749
  in case parse cmd_expr
haftmann@39646
   750
   of SOME f => (writeln "Now generating code..."; f thy)
haftmann@39646
   751
    | NONE => error ("Bad directive " ^ quote cmd_expr)
haftmann@39646
   752
  end;
haftmann@39646
   753
wenzelm@43564
   754
wenzelm@43564
   755
(** theory setup **)
wenzelm@43564
   756
wenzelm@43564
   757
val setup = antiq_setup;
wenzelm@43564
   758
haftmann@24219
   759
end; (*struct*)