src/Tools/Code/code_target.ML
author wenzelm
Tue Jan 08 12:39:39 2013 +0100 (2013-01-08)
changeset 50768 2172f82de515
parent 48568 084cd758a8ab
child 51685 385ef6706252
permissions -rw-r--r--
tuned -- prefer high-level Table.merge with its slightly more conservative update;
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@48568
    16
    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> (string * string) list * 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@48568
    25
    -> string -> int option -> string -> Token.T list -> (string * string) list * 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@48568
    31
  val generatedN: string
haftmann@41344
    32
  val evaluator: theory -> string -> Code_Thingol.naming -> Code_Thingol.program
haftmann@41344
    33
    -> string list -> ((string * class list) list * Code_Thingol.itype) * Code_Thingol.iterm
haftmann@48568
    34
    -> (string * string) list * string
haftmann@41344
    35
haftmann@28054
    36
  type serializer
haftmann@34152
    37
  type literals = Code_Printer.literals
haftmann@37822
    38
  val add_target: string * { serializer: serializer, literals: literals,
wenzelm@41940
    39
    check: { env_var: string, make_destination: Path.T -> Path.T, make_command: string -> string } }
wenzelm@41940
    40
    -> theory -> theory
haftmann@28663
    41
  val extend_target: string *
haftmann@28663
    42
      (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
haftmann@28054
    43
    -> theory -> theory
haftmann@28054
    44
  val assert_target: theory -> string -> string
haftmann@38918
    45
  val the_literals: theory -> string -> literals
haftmann@28054
    46
  type serialization
wenzelm@36959
    47
  val parse_args: 'a parser -> Token.T list -> 'a
haftmann@38916
    48
  val serialization: (int -> Path.T option -> 'a -> unit)
haftmann@48568
    49
    -> (string list -> int -> 'a -> (string * string) list * (string -> string option))
haftmann@38925
    50
    -> 'a -> serialization
haftmann@38918
    51
  val set_default_code_width: int -> theory -> theory
haftmann@38917
    52
haftmann@28054
    53
  val allow_abort: string -> theory -> theory
haftmann@34152
    54
  type tyco_syntax = Code_Printer.tyco_syntax
haftmann@37876
    55
  type const_syntax = Code_Printer.const_syntax
haftmann@38923
    56
  val add_class_syntax: string -> class -> string option -> theory -> theory
haftmann@38923
    57
  val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
haftmann@38923
    58
  val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
haftmann@38923
    59
  val add_const_syntax: string -> string -> const_syntax option -> theory -> theory
haftmann@28054
    60
  val add_reserved: string -> string -> theory -> theory
haftmann@33969
    61
  val add_include: string -> string * (string * string list) option -> theory -> theory
haftmann@39646
    62
haftmann@39750
    63
  val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
wenzelm@43564
    64
wenzelm@43564
    65
  val setup: theory -> theory
haftmann@24219
    66
end;
haftmann@24219
    67
haftmann@28054
    68
structure Code_Target : CODE_TARGET =
haftmann@24219
    69
struct
haftmann@24219
    70
haftmann@28054
    71
open Basic_Code_Thingol;
haftmann@34152
    72
haftmann@34152
    73
type literals = Code_Printer.literals;
haftmann@34152
    74
type tyco_syntax = Code_Printer.tyco_syntax;
haftmann@37876
    75
type const_syntax = Code_Printer.const_syntax;
haftmann@34152
    76
haftmann@24219
    77
haftmann@38923
    78
(** abstract nonsense **)
haftmann@24219
    79
haftmann@38929
    80
datatype destination = Export of Path.T option | Produce | Present of string list;
haftmann@48568
    81
type serialization = int -> destination -> ((string * string) list * (string -> string option)) option;
haftmann@27014
    82
haftmann@39659
    83
fun serialization output _ content width (Export some_path) =
haftmann@39661
    84
      (output width some_path content; NONE)
haftmann@39661
    85
  | serialization _ string content width Produce =
haftmann@39661
    86
      string [] width content |> SOME
haftmann@39659
    87
  | serialization _ string content width (Present stmt_names) =
haftmann@39661
    88
     string stmt_names width content
haftmann@48568
    89
     |> (apfst o map o apsnd) (Pretty.output (SOME width) o Pretty.str)
haftmann@39661
    90
     |> SOME;
haftmann@39659
    91
haftmann@39661
    92
fun export some_path f = (f (Export some_path); ());
haftmann@39661
    93
fun produce f = the (f Produce);
haftmann@48568
    94
fun present stmt_names f = space_implode "\n\n" (map snd (fst (the (f (Present stmt_names)))));
haftmann@38917
    95
haftmann@24219
    96
haftmann@28054
    97
(** theory data **)
haftmann@28054
    98
haftmann@38923
    99
datatype symbol_syntax_data = Symbol_Syntax_Data of {
haftmann@28690
   100
  class: string Symtab.table,
haftmann@30648
   101
  instance: unit Symreltab.table,
haftmann@34152
   102
  tyco: Code_Printer.tyco_syntax Symtab.table,
haftmann@37876
   103
  const: Code_Printer.const_syntax Symtab.table
haftmann@28054
   104
};
haftmann@27000
   105
haftmann@38923
   106
fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
haftmann@38923
   107
  Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
haftmann@38923
   108
fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
haftmann@38923
   109
  make_symbol_syntax_data (f ((class, instance), (tyco, const)));
haftmann@38923
   110
fun merge_symbol_syntax_data
haftmann@38923
   111
  (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
haftmann@38923
   112
    Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
wenzelm@50768
   113
  make_symbol_syntax_data ( (* FIXME proper merge order!? prefer fst!? *)
haftmann@28054
   114
    (Symtab.join (K snd) (class1, class2),
haftmann@30648
   115
       Symreltab.join (K snd) (instance1, instance2)),
haftmann@28054
   116
    (Symtab.join (K snd) (tyco1, tyco2),
haftmann@28054
   117
       Symtab.join (K snd) (const1, const2))
haftmann@28054
   118
  );
haftmann@28054
   119
haftmann@39142
   120
type serializer = Token.T list
haftmann@39142
   121
  -> {
haftmann@38926
   122
    labelled_name: string -> string,
haftmann@38926
   123
    reserved_syms: string list,
haftmann@38926
   124
    includes: (string * Pretty.T) list,
haftmann@38926
   125
    module_alias: string -> string option,
haftmann@38926
   126
    class_syntax: string -> string option,
haftmann@38926
   127
    tyco_syntax: string -> Code_Printer.tyco_syntax option,
haftmann@41342
   128
    const_syntax: string -> Code_Printer.activated_const_syntax option }
haftmann@41342
   129
  -> Code_Thingol.program
haftmann@28054
   130
  -> serialization;
haftmann@27000
   131
haftmann@38909
   132
datatype description = Fundamental of { serializer: serializer,
haftmann@38910
   133
      literals: literals,
haftmann@37822
   134
      check: { env_var: string, make_destination: Path.T -> Path.T,
wenzelm@41940
   135
        make_command: string -> string } }
haftmann@38909
   136
  | Extension of string *
haftmann@38909
   137
      (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
haftmann@28054
   138
haftmann@28054
   139
datatype target = Target of {
haftmann@28054
   140
  serial: serial,
haftmann@37821
   141
  description: description,
haftmann@28054
   142
  reserved: string list,
haftmann@28926
   143
  includes: (Pretty.T * string list) Symtab.table,
haftmann@38925
   144
  module_alias: string Symtab.table,
haftmann@38925
   145
  symbol_syntax: symbol_syntax_data
haftmann@28054
   146
};
haftmann@27103
   147
haftmann@38925
   148
fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
wenzelm@43564
   149
  Target { serial = serial, description = description, reserved = reserved,
haftmann@38925
   150
    includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
haftmann@38925
   151
fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
haftmann@38925
   152
  make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
haftmann@37821
   153
fun merge_target strict target (Target { serial = serial1, description = description,
haftmann@28054
   154
  reserved = reserved1, includes = includes1,
haftmann@38925
   155
  module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
haftmann@37821
   156
    Target { serial = serial2, description = _,
haftmann@28054
   157
      reserved = reserved2, includes = includes2,
haftmann@38925
   158
      module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
haftmann@28054
   159
  if serial1 = serial2 orelse not strict then
haftmann@37821
   160
    make_target ((serial1, description),
wenzelm@50768
   161
      ((merge (op =) (reserved1, reserved2),
wenzelm@50768
   162
         (* FIXME proper merge order!? prefer fst!? *)
wenzelm@50768
   163
         Symtab.join (K snd) (includes1, includes2)),
haftmann@38925
   164
        (Symtab.join (K snd) (module_alias1, module_alias2),
haftmann@38925
   165
          merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
haftmann@28054
   166
    ))
haftmann@28054
   167
  else
haftmann@37821
   168
    error ("Incompatible targets: " ^ quote target);
haftmann@27103
   169
haftmann@37821
   170
fun the_description (Target { description, ... }) = description;
haftmann@28054
   171
fun the_reserved (Target { reserved, ... }) = reserved;
haftmann@28054
   172
fun the_includes (Target { includes, ... }) = includes;
haftmann@28054
   173
fun the_module_alias (Target { module_alias , ... }) = module_alias;
haftmann@38925
   174
fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
haftmann@27437
   175
haftmann@34248
   176
structure Targets = Theory_Data
haftmann@34071
   177
(
haftmann@34071
   178
  type T = (target Symtab.table * string list) * int;
haftmann@34071
   179
  val empty = ((Symtab.empty, []), 80);
haftmann@34071
   180
  val extend = I;
haftmann@34071
   181
  fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
haftmann@34071
   182
    ((Symtab.join (merge_target true) (target1, target2),
haftmann@34071
   183
      Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
haftmann@34071
   184
);
haftmann@27436
   185
haftmann@34248
   186
val abort_allowed = snd o fst o Targets.get;
haftmann@34071
   187
haftmann@34248
   188
fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
haftmann@33969
   189
  then target
haftmann@33969
   190
  else error ("Unknown code target language: " ^ quote target);
haftmann@28054
   191
haftmann@28054
   192
fun put_target (target, seri) thy =
haftmann@27304
   193
  let
haftmann@34248
   194
    val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
haftmann@28054
   195
    val _ = case seri
haftmann@37821
   196
     of Extension (super, _) => if is_some (lookup_target super) then ()
haftmann@28054
   197
          else error ("Unknown code target language: " ^ quote super)
haftmann@28054
   198
      | _ => ();
haftmann@37821
   199
    val overwriting = case (Option.map the_description o lookup_target) target
haftmann@28663
   200
     of NONE => false
haftmann@37821
   201
      | SOME (Extension _) => true
haftmann@37821
   202
      | SOME (Fundamental _) => (case seri
haftmann@37821
   203
         of Extension _ => error ("Will not overwrite existing target " ^ quote target)
haftmann@28663
   204
          | _ => true);
haftmann@28663
   205
    val _ = if overwriting
haftmann@28054
   206
      then warning ("Overwriting existing target " ^ quote target)
wenzelm@43564
   207
      else ();
haftmann@28054
   208
  in
haftmann@28054
   209
    thy
haftmann@34248
   210
    |> (Targets.map o apfst o apfst o Symtab.update)
haftmann@31599
   211
          (target, make_target ((serial (), seri), (([], Symtab.empty),
haftmann@38925
   212
            (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
haftmann@38925
   213
              (Symtab.empty, Symtab.empty))))))
haftmann@28054
   214
  end;
haftmann@27436
   215
haftmann@37821
   216
fun add_target (target, seri) = put_target (target, Fundamental seri);
haftmann@28054
   217
fun extend_target (target, (super, modify)) =
haftmann@37821
   218
  put_target (target, Extension (super, modify));
haftmann@27436
   219
haftmann@28054
   220
fun map_target_data target f thy =
haftmann@27436
   221
  let
haftmann@28054
   222
    val _ = assert_target thy target;
haftmann@28054
   223
  in
haftmann@28054
   224
    thy
haftmann@34248
   225
    |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
haftmann@28054
   226
  end;
haftmann@27304
   227
haftmann@28054
   228
fun map_reserved target =
haftmann@28054
   229
  map_target_data target o apsnd o apfst o apfst;
haftmann@28054
   230
fun map_includes target =
haftmann@28054
   231
  map_target_data target o apsnd o apfst o apsnd;
haftmann@28054
   232
fun map_module_alias target =
haftmann@38925
   233
  map_target_data target o apsnd o apsnd o apfst;
haftmann@38925
   234
fun map_symbol_syntax target =
haftmann@38925
   235
  map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
haftmann@27000
   236
haftmann@34248
   237
fun set_default_code_width k = (Targets.map o apsnd) (K k);
haftmann@34071
   238
haftmann@27000
   239
haftmann@34021
   240
(** serializer usage **)
haftmann@34021
   241
haftmann@34021
   242
(* montage *)
haftmann@34021
   243
haftmann@37822
   244
fun the_fundamental thy =
haftmann@34021
   245
  let
haftmann@34248
   246
    val ((targets, _), _) = Targets.get thy;
haftmann@37822
   247
    fun fundamental target = case Symtab.lookup targets target
haftmann@37821
   248
     of SOME data => (case the_description data
haftmann@37822
   249
         of Fundamental data => data
haftmann@37822
   250
          | Extension (super, _) => fundamental super)
haftmann@34021
   251
      | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@37822
   252
  in fundamental end;
haftmann@37822
   253
haftmann@37822
   254
fun the_literals thy = #literals o the_fundamental thy;
haftmann@34021
   255
haftmann@39817
   256
fun collapse_hierarchy thy =
haftmann@38927
   257
  let
haftmann@39817
   258
    val ((targets, _), _) = Targets.get thy;
wenzelm@43564
   259
    fun collapse target =
haftmann@38927
   260
      let
haftmann@38927
   261
        val data = case Symtab.lookup targets target
haftmann@38927
   262
         of SOME data => data
haftmann@38927
   263
          | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@38927
   264
      in case the_description data
haftmann@39484
   265
       of Fundamental _ => (K I, data)
haftmann@38927
   266
        | Extension (super, modify) => let
haftmann@39817
   267
            val (modify', data') = collapse super
haftmann@39484
   268
          in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
haftmann@38927
   269
      end;
haftmann@39817
   270
  in collapse end;
haftmann@39817
   271
haftmann@39817
   272
local
haftmann@39817
   273
haftmann@39817
   274
fun activate_target thy target =
haftmann@39817
   275
  let
haftmann@47576
   276
    val ((_, abortable), default_width) = Targets.get thy;
haftmann@39817
   277
    val (modify, data) = collapse_hierarchy thy target;
haftmann@39484
   278
  in (default_width, abortable, data, modify) end;
haftmann@38927
   279
haftmann@34021
   280
fun activate_syntax lookup_name src_tab = Symtab.empty
haftmann@34021
   281
  |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
haftmann@34021
   282
       of SOME name => (SOME name,
haftmann@34021
   283
            Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
haftmann@34021
   284
        | NONE => (NONE, tab)) (Symtab.keys src_tab)
haftmann@34021
   285
  |>> map_filter I;
haftmann@34021
   286
haftmann@34021
   287
fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
haftmann@37881
   288
  |> fold_map (fn c => fn (tab, naming) =>
haftmann@37881
   289
      case Code_Thingol.lookup_const naming c
haftmann@34021
   290
       of SOME name => let
haftmann@34021
   291
              val (syn, naming') = Code_Printer.activate_const_syntax thy
haftmann@37881
   292
                literals c (the (Symtab.lookup src_tab c)) naming
haftmann@34021
   293
            in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
haftmann@34021
   294
        | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
haftmann@34021
   295
  |>> map_filter I;
haftmann@34021
   296
haftmann@38927
   297
fun activate_symbol_syntax thy literals naming
haftmann@38927
   298
    class_syntax instance_syntax tyco_syntax const_syntax =
haftmann@34021
   299
  let
haftmann@38927
   300
    val (names_class, class_syntax') =
haftmann@38927
   301
      activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
haftmann@34021
   302
    val names_inst = map_filter (Code_Thingol.lookup_instance naming)
haftmann@38927
   303
      (Symreltab.keys instance_syntax);
haftmann@38927
   304
    val (names_tyco, tyco_syntax') =
haftmann@38927
   305
      activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
haftmann@38927
   306
    val (names_const, (const_syntax', _)) =
haftmann@38927
   307
      activate_const_syntax thy literals const_syntax naming;
haftmann@38927
   308
  in
haftmann@38927
   309
    (names_class @ names_inst @ names_tyco @ names_const,
haftmann@38927
   310
      (class_syntax', tyco_syntax', const_syntax'))
haftmann@38927
   311
  end;
haftmann@38927
   312
haftmann@38927
   313
fun project_program thy abortable names_hidden names1 program2 =
haftmann@38927
   314
  let
wenzelm@42361
   315
    val ctxt = Proof_Context.init_global thy;
haftmann@34021
   316
    val names2 = subtract (op =) names_hidden names1;
wenzelm@46614
   317
    val program3 = Graph.restrict (not o member (op =) names_hidden) program2;
haftmann@38936
   318
    val names4 = Graph.all_succs program3 names2;
haftmann@34021
   319
    val empty_funs = filter_out (member (op =) abortable)
haftmann@34021
   320
      (Code_Thingol.empty_funs program3);
wenzelm@42359
   321
    val _ =
wenzelm@42359
   322
      if null empty_funs then ()
wenzelm@42359
   323
      else error ("No code equations for " ^
wenzelm@42361
   324
        commas (map (Proof_Context.extern_const ctxt) empty_funs));
wenzelm@46614
   325
    val program4 = Graph.restrict (member (op =) names4) program3;
haftmann@38936
   326
  in (names4, program4) end;
haftmann@38927
   327
haftmann@41342
   328
fun prepare_serializer thy abortable serializer literals reserved all_includes
haftmann@38927
   329
    module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
haftmann@39058
   330
    module_name args naming proto_program names =
haftmann@38927
   331
  let
haftmann@38927
   332
    val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
haftmann@38927
   333
      activate_symbol_syntax thy literals naming
haftmann@38927
   334
        proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
haftmann@38927
   335
    val (names_all, program) = project_program thy abortable names_hidden names proto_program;
haftmann@39484
   336
    fun select_include (name, (content, cs)) =
haftmann@39484
   337
      if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
haftmann@39484
   338
       of SOME name => member (op =) names_all name
haftmann@39484
   339
        | NONE => false) cs
haftmann@39484
   340
      then SOME (name, content) else NONE;
haftmann@39484
   341
    val includes = map_filter select_include (Symtab.dest all_includes);
haftmann@34021
   342
  in
haftmann@41342
   343
    (serializer args {
haftmann@38927
   344
      labelled_name = Code_Thingol.labelled_name thy proto_program,
haftmann@38926
   345
      reserved_syms = reserved,
haftmann@38926
   346
      includes = includes,
haftmann@38933
   347
      module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
haftmann@38927
   348
      class_syntax = Symtab.lookup class_syntax,
haftmann@38927
   349
      tyco_syntax = Symtab.lookup tyco_syntax,
haftmann@41342
   350
      const_syntax = Symtab.lookup const_syntax },
haftmann@41342
   351
      program)
haftmann@34021
   352
  end;
haftmann@34021
   353
haftmann@41342
   354
fun mount_serializer thy target some_width module_name args naming program names =
haftmann@34021
   355
  let
haftmann@39484
   356
    val (default_width, abortable, data, modify) = activate_target thy target;
haftmann@38921
   357
    val serializer = case the_description data
haftmann@38927
   358
     of Fundamental seri => #serializer seri;
haftmann@34021
   359
    val reserved = the_reserved data;
wenzelm@43564
   360
    val module_alias = the_module_alias data
haftmann@38925
   361
    val { class, instance, tyco, const } = the_symbol_syntax data;
haftmann@34021
   362
    val literals = the_literals thy target;
haftmann@41342
   363
    val (prepared_serializer, prepared_program) = prepare_serializer thy
haftmann@41342
   364
      abortable serializer literals reserved (the_includes data) module_alias
haftmann@41342
   365
        class instance tyco const module_name args
haftmann@41342
   366
          naming (modify naming program) names
haftmann@34071
   367
    val width = the_default default_width some_width;
haftmann@41344
   368
  in (fn program => prepared_serializer program width, prepared_program) end;
haftmann@41344
   369
haftmann@41344
   370
fun invoke_serializer thy target some_width module_name args naming program names =
haftmann@41344
   371
  let
haftmann@41344
   372
    val (mounted_serializer, prepared_program) = mount_serializer thy
haftmann@41344
   373
      target some_width module_name args naming program names;
haftmann@41344
   374
  in mounted_serializer prepared_program end;
haftmann@34021
   375
haftmann@38933
   376
fun assert_module_name "" = error ("Empty module name not allowed.")
haftmann@38933
   377
  | assert_module_name module_name = module_name;
haftmann@38933
   378
haftmann@48426
   379
fun using_master_directory thy =
haftmann@48426
   380
  Option.map (Path.append (File.pwd ()) o Path.append (Thy_Load.master_directory thy));
haftmann@48371
   381
haftmann@34021
   382
in
haftmann@34021
   383
haftmann@48568
   384
val generatedN = "Generated_Code";
haftmann@48568
   385
haftmann@39484
   386
fun export_code_for thy some_path target some_width module_name args =
haftmann@48371
   387
  export (using_master_directory thy some_path)
haftmann@48371
   388
  ooo invoke_serializer thy target some_width module_name args;
haftmann@38918
   389
haftmann@39484
   390
fun produce_code_for thy target some_width module_name args =
haftmann@39102
   391
  let
haftmann@41344
   392
    val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   393
  in fn naming => fn program => fn names =>
haftmann@39661
   394
    produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
haftmann@39484
   395
  end;
haftmann@38929
   396
haftmann@39484
   397
fun present_code_for thy target some_width module_name args =
haftmann@39484
   398
  let
haftmann@41344
   399
    val serializer = invoke_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   400
  in fn naming => fn program => fn (names, selects) =>
haftmann@39661
   401
    present selects (serializer naming program names)
haftmann@39484
   402
  end;
haftmann@38918
   403
haftmann@38918
   404
fun check_code_for thy target strict args naming program names_cs =
haftmann@37824
   405
  let
haftmann@37824
   406
    val { env_var, make_destination, make_command } =
haftmann@37824
   407
      (#check o the_fundamental thy) target;
wenzelm@41939
   408
    fun ext_check p =
wenzelm@43564
   409
      let
haftmann@37824
   410
        val destination = make_destination p;
haftmann@41344
   411
        val _ = export (SOME destination) (invoke_serializer thy target (SOME 80)
haftmann@48568
   412
          generatedN args naming program names_cs);
haftmann@48568
   413
        val cmd = make_command generatedN;
wenzelm@43850
   414
      in
wenzelm@43850
   415
        if Isabelle_System.bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
haftmann@37824
   416
        then error ("Code check failed for " ^ target ^ ": " ^ cmd)
haftmann@37824
   417
        else ()
haftmann@37824
   418
      end;
wenzelm@43850
   419
  in
wenzelm@43850
   420
    if getenv env_var = ""
haftmann@37825
   421
    then if strict
haftmann@37825
   422
      then error (env_var ^ " not set; cannot check code for " ^ target)
haftmann@37825
   423
      else warning (env_var ^ " not set; skipped checking code for " ^ target)
wenzelm@41939
   424
    else Isabelle_System.with_tmp_dir "Code_Test" ext_check
haftmann@37824
   425
  end;
haftmann@37824
   426
haftmann@41364
   427
fun evaluation mounted_serializer prepared_program consts ((vs, ty), t) =
haftmann@41344
   428
  let
haftmann@41344
   429
    val _ = if Code_Thingol.contains_dict_var t then
haftmann@41344
   430
      error "Term to be evaluated contains free dictionaries" else ();
wenzelm@43324
   431
    val v' = singleton (Name.variant_list (map fst vs)) "a";
haftmann@41344
   432
    val vs' = (v', []) :: vs;
haftmann@41344
   433
    val ty' = Code_Thingol.fun_tyco `%% [ITyVar v', ty];
haftmann@41344
   434
    val value_name = "Value.value.value"
haftmann@41344
   435
    val program = prepared_program
haftmann@41344
   436
      |> Graph.new_node (value_name,
haftmann@41344
   437
          Code_Thingol.Fun (Term.dummy_patternN, (((vs', ty'), [(([IVar NONE], t), (NONE, true))]), NONE)))
haftmann@41364
   438
      |> fold (curry (perhaps o try o Graph.add_edge) value_name) consts;
haftmann@41344
   439
    val (program_code, deresolve) = produce (mounted_serializer program);
haftmann@41344
   440
    val value_name' = the (deresolve value_name);
haftmann@41344
   441
  in (program_code, value_name') end;
haftmann@41344
   442
haftmann@41364
   443
fun evaluator thy target naming program consts =
haftmann@41344
   444
  let
haftmann@41344
   445
    val (mounted_serializer, prepared_program) = mount_serializer thy
haftmann@48568
   446
      target NONE generatedN [] naming program consts;
haftmann@41364
   447
  in evaluation mounted_serializer prepared_program consts end;
haftmann@41344
   448
haftmann@34021
   449
end; (* local *)
haftmann@34021
   450
haftmann@34021
   451
haftmann@34021
   452
(* code generation *)
haftmann@34021
   453
haftmann@34021
   454
fun transitivly_non_empty_funs thy naming program =
haftmann@34021
   455
  let
haftmann@34021
   456
    val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021
   457
    val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021
   458
  in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021
   459
haftmann@34021
   460
fun read_const_exprs thy cs =
haftmann@34021
   461
  let
haftmann@34021
   462
    val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@36271
   463
    val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
haftmann@36271
   464
    val names3 = transitivly_non_empty_funs thy naming program;
haftmann@36271
   465
    val cs3 = map_filter (fn (c, name) =>
haftmann@36271
   466
      if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
haftmann@36271
   467
  in union (op =) cs3 cs1 end;
haftmann@34021
   468
haftmann@38918
   469
fun prep_destination "" = NONE
haftmann@38918
   470
  | prep_destination "-" = NONE
haftmann@38918
   471
  | prep_destination s = SOME (Path.explode s);
haftmann@38918
   472
haftmann@34021
   473
fun export_code thy cs seris =
haftmann@34021
   474
  let
haftmann@37824
   475
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   476
    val _ = map (fn (((target, module_name), some_path), args) =>
haftmann@38918
   477
      export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
haftmann@34021
   478
  in () end;
haftmann@34021
   479
haftmann@38918
   480
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
haftmann@38918
   481
  ((map o apfst o apsnd) prep_destination seris);
haftmann@38918
   482
haftmann@38929
   483
fun produce_code thy cs target some_width some_module_name args =
haftmann@38918
   484
  let
haftmann@38918
   485
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   486
  in produce_code_for thy target some_width some_module_name args naming program names_cs end;
haftmann@38929
   487
haftmann@38929
   488
fun present_code thy cs names_stmt target some_width some_module_name args =
haftmann@38929
   489
  let
haftmann@38929
   490
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   491
  in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
haftmann@34021
   492
haftmann@37824
   493
fun check_code thy cs seris =
haftmann@37824
   494
  let
haftmann@37824
   495
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   496
    val _ = map (fn ((target, strict), args) =>
haftmann@38918
   497
      check_code_for thy target strict args naming program names_cs) seris;
haftmann@37824
   498
  in () end;
haftmann@37824
   499
haftmann@37824
   500
fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
haftmann@37824
   501
haftmann@39480
   502
local
haftmann@39480
   503
haftmann@39480
   504
val parse_const_terms = Scan.repeat1 Args.term
haftmann@39480
   505
  >> (fn ts => fn thy => map (Code.check_const thy) ts);
haftmann@39480
   506
haftmann@39480
   507
fun parse_names category parse internalize lookup =
haftmann@39480
   508
  Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
haftmann@39480
   509
  >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
wenzelm@43564
   510
haftmann@39480
   511
val parse_consts = parse_names "consts" Args.term
haftmann@39480
   512
  Code.check_const Code_Thingol.lookup_const ;
haftmann@39480
   513
haftmann@39480
   514
val parse_types = parse_names "types" (Scan.lift Args.name)
haftmann@39480
   515
  Sign.intern_type Code_Thingol.lookup_tyco;
haftmann@39480
   516
haftmann@39480
   517
val parse_classes = parse_names "classes" (Scan.lift Args.name)
haftmann@39480
   518
  Sign.intern_class Code_Thingol.lookup_class;
haftmann@39480
   519
haftmann@39480
   520
val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
haftmann@39480
   521
  (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
haftmann@39480
   522
    Code_Thingol.lookup_instance;
haftmann@39480
   523
haftmann@39480
   524
in
haftmann@39480
   525
wenzelm@43564
   526
val antiq_setup =
wenzelm@43564
   527
  Thy_Output.antiquotation @{binding code_stmts}
wenzelm@43564
   528
    (parse_const_terms --
wenzelm@43564
   529
      Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
wenzelm@43564
   530
      -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
wenzelm@43564
   531
    (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
wenzelm@43564
   532
      let val thy = Proof_Context.theory_of ctxt in
wenzelm@43564
   533
        present_code thy (mk_cs thy)
wenzelm@43564
   534
          (fn naming => maps (fn f => f thy naming) mk_stmtss)
wenzelm@43564
   535
          target some_width "Example" []
wenzelm@43564
   536
      end);
haftmann@39480
   537
haftmann@39480
   538
end;
haftmann@39480
   539
haftmann@34021
   540
haftmann@28054
   541
(** serializer configuration **)
haftmann@27000
   542
haftmann@27000
   543
(* data access *)
haftmann@24219
   544
haftmann@24992
   545
fun cert_class thy class =
haftmann@24992
   546
  let
haftmann@24992
   547
    val _ = AxClass.get_info thy class;
haftmann@24992
   548
  in class end;
haftmann@24992
   549
haftmann@27103
   550
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
   551
haftmann@24992
   552
fun cert_tyco thy tyco =
haftmann@24992
   553
  let
haftmann@24992
   554
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
   555
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
   556
  in tyco end;
haftmann@24992
   557
haftmann@27103
   558
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
   559
haftmann@34071
   560
fun cert_inst thy (class, tyco) =
haftmann@34071
   561
  (cert_class thy class, cert_tyco thy tyco);
haftmann@34071
   562
haftmann@34071
   563
fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071
   564
  (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071
   565
haftmann@37844
   566
fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
haftmann@24219
   567
  let
haftmann@37840
   568
    val x = prep_x thy raw_x;
haftmann@37844
   569
    val change = case some_raw_syn
haftmann@37844
   570
     of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
haftmann@37844
   571
      | NONE => del x;
haftmann@38925
   572
  in (map_symbol_syntax target o mapp) change thy end;
haftmann@24219
   573
haftmann@38923
   574
fun gen_add_class_syntax prep_class =
haftmann@37844
   575
  gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
haftmann@34071
   576
haftmann@38923
   577
fun gen_add_instance_syntax prep_inst =
haftmann@37844
   578
  gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
haftmann@24219
   579
haftmann@38923
   580
fun gen_add_tyco_syntax prep_tyco =
haftmann@37844
   581
  gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
haftmann@37844
   582
    (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
haftmann@34071
   583
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@37844
   584
      else syn);
haftmann@34071
   585
haftmann@38923
   586
fun gen_add_const_syntax prep_const =
haftmann@37844
   587
  gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
haftmann@37881
   588
    (fn thy => fn c => fn syn =>
haftmann@37881
   589
      if Code_Printer.requires_args syn > Code.args_number thy c
haftmann@24423
   590
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@37881
   591
      else syn);
haftmann@24219
   592
haftmann@39817
   593
fun add_reserved target sym thy =
haftmann@24219
   594
  let
haftmann@39817
   595
    val (_, data) = collapse_hierarchy thy target;
haftmann@39817
   596
    val _ = if member (op =) (the_reserved data) sym
haftmann@24219
   597
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@39817
   598
      else ();
haftmann@39817
   599
  in
haftmann@39817
   600
    thy
haftmann@39817
   601
    |> map_reserved target (insert (op =) sym)
haftmann@39817
   602
  end;
haftmann@24992
   603
haftmann@28926
   604
fun gen_add_include read_const target args thy =
haftmann@24992
   605
  let
haftmann@28926
   606
    fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992
   607
          let
haftmann@24992
   608
            val _ = if Symtab.defined incls name
haftmann@24992
   609
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
   610
              else ();
haftmann@28926
   611
            val cs = map (read_const thy) raw_cs;
haftmann@34152
   612
          in Symtab.update (name, (Code_Printer.str content, cs)) incls end
haftmann@28926
   613
      | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926
   614
  in map_includes target (add args) thy end;
haftmann@28926
   615
haftmann@33969
   616
val add_include = gen_add_include (K I);
haftmann@31156
   617
val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219
   618
haftmann@38933
   619
fun add_module_alias target (thyname, "") =
haftmann@38933
   620
      map_module_alias target (Symtab.delete thyname)
haftmann@38933
   621
  | add_module_alias target (thyname, modlname) =
haftmann@38933
   622
      let
haftmann@38933
   623
        val xs = Long_Name.explode modlname;
haftmann@38933
   624
        val xs' = map (Name.desymbolize true) xs;
haftmann@38933
   625
      in if xs' = xs
haftmann@38933
   626
        then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@38933
   627
        else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@38933
   628
          ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@38933
   629
      end;
haftmann@24219
   630
haftmann@28663
   631
fun gen_allow_abort prep_const raw_c thy =
haftmann@24841
   632
  let
haftmann@28663
   633
    val c = prep_const thy raw_c;
haftmann@34248
   634
  in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841
   635
haftmann@27000
   636
haftmann@27103
   637
(* concrete syntax *)
haftmann@27000
   638
haftmann@34021
   639
local
haftmann@34021
   640
haftmann@47576
   641
fun zip_list (x :: xs) f g =
haftmann@34152
   642
  f
haftmann@37881
   643
  :|-- (fn y =>
haftmann@34152
   644
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@37881
   645
    :|-- (fn xys => pair ((x, y) :: xys)));
haftmann@34152
   646
haftmann@37881
   647
fun process_multi_syntax parse_thing parse_syntax change =
haftmann@37881
   648
  (Parse.and_list1 parse_thing
wenzelm@46949
   649
  :|-- (fn things => Scan.repeat1 (@{keyword "("} |-- Parse.name --
wenzelm@47089
   650
        (zip_list things parse_syntax @{keyword "and"}) --| @{keyword ")"})))
haftmann@37881
   651
  >> (Toplevel.theory oo fold)
haftmann@37881
   652
    (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
haftmann@24219
   653
haftmann@24219
   654
in
haftmann@24219
   655
haftmann@38923
   656
val add_class_syntax = gen_add_class_syntax cert_class;
haftmann@38923
   657
val add_instance_syntax = gen_add_instance_syntax cert_inst;
haftmann@38923
   658
val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
haftmann@38923
   659
val add_const_syntax = gen_add_const_syntax (K I);
haftmann@27103
   660
val allow_abort = gen_allow_abort (K I);
haftmann@28054
   661
val add_reserved = add_reserved;
haftmann@33969
   662
val add_include = add_include;
haftmann@24219
   663
haftmann@38923
   664
val add_class_syntax_cmd = gen_add_class_syntax read_class;
haftmann@38923
   665
val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
haftmann@38923
   666
val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
haftmann@38923
   667
val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
haftmann@31156
   668
val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219
   669
haftmann@28054
   670
fun parse_args f args =
wenzelm@36959
   671
  case Scan.read Token.stopper f args
haftmann@28054
   672
   of SOME x => x
haftmann@28054
   673
    | NONE => error "Bad serializer arguments";
haftmann@28054
   674
haftmann@28054
   675
haftmann@27304
   676
(** Isar setup **)
haftmann@27103
   677
wenzelm@46949
   678
val code_expr_argsP = Scan.optional (@{keyword "("} |-- Args.parse --| @{keyword ")"}) [];
haftmann@27103
   679
haftmann@30494
   680
val code_exprP =
haftmann@37824
   681
  Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
wenzelm@46949
   682
    ((@{keyword "checking"} |-- Scan.repeat (Parse.name
wenzelm@46949
   683
      -- ((@{keyword "?"} |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
haftmann@37824
   684
      >> (fn seris => check_code_cmd raw_cs seris)
wenzelm@46949
   685
    || Scan.repeat (@{keyword "in"} |-- Parse.name
wenzelm@46949
   686
       -- Scan.optional (@{keyword "module_name"} |-- Parse.name) ""
wenzelm@46949
   687
       -- Scan.optional (@{keyword "file"} |-- Parse.name) ""
haftmann@37824
   688
       -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
haftmann@27103
   689
wenzelm@24867
   690
val _ =
wenzelm@46961
   691
  Outer_Syntax.command @{command_spec "code_class"} "define code syntax for class"
wenzelm@46961
   692
    (process_multi_syntax Parse.xname (Scan.option Parse.string)
wenzelm@46961
   693
      add_class_syntax_cmd);
haftmann@24219
   694
wenzelm@24867
   695
val _ =
wenzelm@46961
   696
  Outer_Syntax.command @{command_spec "code_instance"} "define code syntax for instance"
wenzelm@46961
   697
    (process_multi_syntax (Parse.xname --| @{keyword "::"} -- Parse.xname)
wenzelm@36960
   698
      (Scan.option (Parse.minus >> K ()))
wenzelm@46961
   699
      add_instance_syntax_cmd);
haftmann@24219
   700
wenzelm@24867
   701
val _ =
wenzelm@46961
   702
  Outer_Syntax.command @{command_spec "code_type"} "define code syntax for type constructor"
wenzelm@46961
   703
    (process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
wenzelm@46961
   704
      add_tyco_syntax_cmd);
haftmann@24219
   705
wenzelm@24867
   706
val _ =
wenzelm@46961
   707
  Outer_Syntax.command @{command_spec "code_const"} "define code syntax for constant"
wenzelm@46961
   708
    (process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
wenzelm@46961
   709
      add_const_syntax_cmd);
haftmann@24219
   710
wenzelm@24867
   711
val _ =
wenzelm@46961
   712
  Outer_Syntax.command @{command_spec "code_reserved"}
wenzelm@46961
   713
    "declare words as reserved for target language"
wenzelm@46961
   714
    (Parse.name -- Scan.repeat1 Parse.name
wenzelm@46961
   715
      >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds));
haftmann@24219
   716
wenzelm@24867
   717
val _ =
wenzelm@46961
   718
  Outer_Syntax.command @{command_spec "code_include"}
wenzelm@46961
   719
    "declare piece of code to be included in generated code"
wenzelm@46961
   720
    (Parse.name -- Parse.name -- (Parse.text :|--
wenzelm@46961
   721
      (fn "-" => Scan.succeed NONE
wenzelm@46961
   722
        | s => Scan.optional (@{keyword "attach"} |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
wenzelm@46961
   723
      >> (fn ((target, name), content_consts) =>
wenzelm@46961
   724
          (Toplevel.theory o add_include_cmd target) (name, content_consts)));
haftmann@24992
   725
haftmann@24992
   726
val _ =
wenzelm@46961
   727
  Outer_Syntax.command @{command_spec "code_modulename"} "alias module to other name"
wenzelm@46961
   728
    (Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
wenzelm@46961
   729
      >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames));
haftmann@27103
   730
haftmann@27103
   731
val _ =
wenzelm@46961
   732
  Outer_Syntax.command @{command_spec "code_abort"}
wenzelm@46961
   733
    "permit constant to be implemented as program abort"
wenzelm@46961
   734
    (Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd));
haftmann@24219
   735
wenzelm@24867
   736
val _ =
wenzelm@46961
   737
  Outer_Syntax.command @{command_spec "export_code"} "generate executable code for constants"
wenzelm@46961
   738
    (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494
   739
haftmann@24219
   740
end; (*local*)
haftmann@24219
   741
haftmann@39646
   742
haftmann@39646
   743
(** external entrance point -- for codegen tool **)
haftmann@39646
   744
haftmann@39750
   745
fun codegen_tool thyname cmd_expr =
haftmann@39646
   746
  let
haftmann@39646
   747
    val thy = Thy_Info.get_theory thyname;
haftmann@39646
   748
    val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
haftmann@39646
   749
      (filter Token.is_proper o Outer_Syntax.scan Position.none);
haftmann@39646
   750
  in case parse cmd_expr
haftmann@39646
   751
   of SOME f => (writeln "Now generating code..."; f thy)
haftmann@39646
   752
    | NONE => error ("Bad directive " ^ quote cmd_expr)
haftmann@39646
   753
  end;
haftmann@39646
   754
wenzelm@43564
   755
wenzelm@43564
   756
(** theory setup **)
wenzelm@43564
   757
wenzelm@43564
   758
val setup = antiq_setup;
wenzelm@43564
   759
haftmann@24219
   760
end; (*struct*)