src/Tools/Code/code_target.ML
author haftmann
Thu Jul 08 16:19:24 2010 +0200 (2010-07-08)
changeset 37745 6315b6426200
parent 37528 42804fb5dd92
child 37748 0af0d45257be
permissions -rw-r--r--
checking generated code for various target languages
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(*  Title:      Tools/Code/code_target.ML
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    Author:     Florian Haftmann, TU Muenchen
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Serializer from intermediate language ("Thin-gol") to target languages.
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*)
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signature CODE_TARGET =
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sig
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  val cert_tyco: theory -> string -> string
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  val read_tyco: theory -> string -> string
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  type serializer
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  type literals = Code_Printer.literals
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  val add_target: string * (serializer * literals) -> theory -> theory
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  val extend_target: string *
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      (string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program))
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    -> theory -> theory
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  val assert_target: theory -> string -> string
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  type destination
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  type serialization
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  val parse_args: 'a parser -> Token.T list -> 'a
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  val stmt_names_of_destination: destination -> string list
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  val mk_serialization: string -> ('a -> unit) option
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    -> (Path.T option -> 'a -> unit)
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    -> ('a -> string * string option list)
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    -> 'a -> serialization
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  val serialize: theory -> string -> int option -> string option -> Token.T list
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> serialization
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  val serialize_custom: theory -> string * (serializer * literals)
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
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  val the_literals: theory -> string -> literals
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  val compile: serialization -> unit
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  val export: serialization -> unit
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  val file: Path.T -> serialization -> unit
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  val string: string list -> serialization -> string
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  val code_of: theory -> string -> int option -> string
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    -> string list -> (Code_Thingol.naming -> string list) -> string
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  val external_check: theory -> string -> string
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    -> (Path.T -> Path.T) -> (string -> Path.T -> string -> string) -> Path.T -> unit
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  val set_default_code_width: int -> theory -> theory
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  val shell_command: string (*theory name*) -> string (*export_code expr*) -> unit
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  val allow_abort: string -> theory -> theory
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  type tyco_syntax = Code_Printer.tyco_syntax
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  type proto_const_syntax = Code_Printer.proto_const_syntax
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  val add_syntax_class: string -> class -> string option -> theory -> theory
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  val add_syntax_inst: string -> class * string -> unit option -> theory -> theory
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  val add_syntax_tyco: string -> string -> tyco_syntax option -> theory -> theory
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  val add_syntax_const: string -> string -> proto_const_syntax option -> theory -> theory
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  val add_reserved: string -> string -> theory -> theory
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  val add_include: string -> string * (string * string list) option -> theory -> theory
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end;
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structure Code_Target : CODE_TARGET =
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struct
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open Basic_Code_Thingol;
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type literals = Code_Printer.literals;
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type tyco_syntax = Code_Printer.tyco_syntax;
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type proto_const_syntax = Code_Printer.proto_const_syntax;
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(** basics **)
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datatype destination = Compile | Export | File of Path.T | String of string list;
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type serialization = destination -> (string * string option list) option;
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fun compile f = (f Compile; ());
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fun export f = (f Export; ());
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fun file p f = (f (File p); ());
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fun string stmts f = fst (the (f (String stmts)));
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fun stmt_names_of_destination (String stmts) = stmts
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  | stmt_names_of_destination _ = [];
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fun mk_serialization target (SOME comp) _ _ code Compile = (comp code; NONE)
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  | mk_serialization target NONE _ _ _ Compile = error (target ^ ": no internal compilation")
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  | mk_serialization target _ output _ code Export = (output NONE code ; NONE)
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  | mk_serialization target _ output _ code (File file) = (output (SOME file) code; NONE)
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  | mk_serialization target _ _ string code (String _) = SOME (string code);
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(** theory data **)
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datatype name_syntax_table = NameSyntaxTable of {
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  class: string Symtab.table,
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  instance: unit Symreltab.table,
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  tyco: Code_Printer.tyco_syntax Symtab.table,
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  const: Code_Printer.proto_const_syntax Symtab.table
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};
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fun mk_name_syntax_table ((class, instance), (tyco, const)) =
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  NameSyntaxTable { class = class, instance = instance, tyco = tyco, const = const };
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fun map_name_syntax_table f (NameSyntaxTable { class, instance, tyco, const }) =
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  mk_name_syntax_table (f ((class, instance), (tyco, const)));
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fun merge_name_syntax_table (NameSyntaxTable { class = class1, instance = instance1, tyco = tyco1, const = const1 },
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    NameSyntaxTable { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
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  mk_name_syntax_table (
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    (Symtab.join (K snd) (class1, class2),
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       Symreltab.join (K snd) (instance1, instance2)),
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    (Symtab.join (K snd) (tyco1, tyco2),
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       Symtab.join (K snd) (const1, const2))
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  );
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type serializer =
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  string option                         (*module name*)
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  -> Token.T list                       (*arguments*)
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  -> (string -> string)                 (*labelled_name*)
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  -> string list                        (*reserved symbols*)
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  -> (string * Pretty.T) list           (*includes*)
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  -> (string -> string option)          (*module aliasses*)
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  -> (string -> string option)          (*class syntax*)
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  -> (string -> Code_Printer.tyco_syntax option)
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  -> (string -> Code_Printer.const_syntax option)
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  -> ((Pretty.T -> string) * (Pretty.T -> unit))
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  -> Code_Thingol.program
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  -> string list                        (*selected statements*)
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  -> serialization;
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datatype serializer_entry = Serializer of serializer * Code_Printer.literals
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  | Extends of string * (Code_Thingol.naming -> Code_Thingol.program -> Code_Thingol.program);
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datatype target = Target of {
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  serial: serial,
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  serializer: serializer_entry,
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  reserved: string list,
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  includes: (Pretty.T * string list) Symtab.table,
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  name_syntax_table: name_syntax_table,
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  module_alias: string Symtab.table
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};
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fun make_target ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))) =
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  Target { serial = serial, serializer = serializer, reserved = reserved, 
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    includes = includes, name_syntax_table = name_syntax_table, module_alias = module_alias };
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fun map_target f ( Target { serial, serializer, reserved, includes, name_syntax_table, module_alias } ) =
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  make_target (f ((serial, serializer), ((reserved, includes), (name_syntax_table, module_alias))));
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fun merge_target strict target (Target { serial = serial1, serializer = serializer,
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  reserved = reserved1, includes = includes1,
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  name_syntax_table = name_syntax_table1, module_alias = module_alias1 },
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    Target { serial = serial2, serializer = _,
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      reserved = reserved2, includes = includes2,
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      name_syntax_table = name_syntax_table2, module_alias = module_alias2 }) =
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  if serial1 = serial2 orelse not strict then
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    make_target ((serial1, serializer),
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      ((merge (op =) (reserved1, reserved2), Symtab.merge (K true) (includes1, includes2)),
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        (merge_name_syntax_table (name_syntax_table1, name_syntax_table2),
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          Symtab.join (K fst) (module_alias1, module_alias2))
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    ))
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  else
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    error ("Incompatible serializers: " ^ quote target);
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fun the_serializer (Target { serializer, ... }) = serializer;
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fun the_reserved (Target { reserved, ... }) = reserved;
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fun the_includes (Target { includes, ... }) = includes;
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fun the_name_syntax (Target { name_syntax_table = NameSyntaxTable x, ... }) = x;
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fun the_module_alias (Target { module_alias , ... }) = module_alias;
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structure Targets = Theory_Data
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(
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  type T = (target Symtab.table * string list) * int;
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  val empty = ((Symtab.empty, []), 80);
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  val extend = I;
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  fun merge (((target1, exc1), width1), ((target2, exc2), width2)) : T =
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    ((Symtab.join (merge_target true) (target1, target2),
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      Library.merge (op =) (exc1, exc2)), Int.max (width1, width2));
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);
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val abort_allowed = snd o fst o Targets.get;
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fun assert_target thy target = if Symtab.defined ((fst o fst) (Targets.get thy)) target
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  then target
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  else error ("Unknown code target language: " ^ quote target);
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fun put_target (target, seri) thy =
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  let
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    val lookup_target = Symtab.lookup ((fst o fst) (Targets.get thy));
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    val _ = case seri
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     of Extends (super, _) => if is_some (lookup_target super) then ()
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          else error ("Unknown code target language: " ^ quote super)
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      | _ => ();
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    val overwriting = case (Option.map the_serializer o lookup_target) target
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     of NONE => false
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      | SOME (Extends _) => true
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      | SOME (Serializer _) => (case seri
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         of Extends _ => error ("Will not overwrite existing target " ^ quote target)
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          | _ => true);
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    val _ = if overwriting
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      then warning ("Overwriting existing target " ^ quote target)
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      else (); 
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  in
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    thy
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    |> (Targets.map o apfst o apfst o Symtab.update)
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          (target, make_target ((serial (), seri), (([], Symtab.empty),
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            (mk_name_syntax_table ((Symtab.empty, Symreltab.empty), (Symtab.empty, Symtab.empty)),
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              Symtab.empty))))
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  end;
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fun add_target (target, seri) = put_target (target, Serializer seri);
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fun extend_target (target, (super, modify)) =
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  put_target (target, Extends (super, modify));
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fun map_target_data target f thy =
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  let
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    val _ = assert_target thy target;
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  in
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    thy
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    |> (Targets.map o apfst o apfst o Symtab.map_entry target o map_target) f
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  end;
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fun map_reserved target =
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  map_target_data target o apsnd o apfst o apfst;
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fun map_includes target =
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  map_target_data target o apsnd o apfst o apsnd;
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fun map_name_syntax target =
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  map_target_data target o apsnd o apsnd o apfst o map_name_syntax_table;
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fun map_module_alias target =
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  map_target_data target o apsnd o apsnd o apsnd;
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fun set_default_code_width k = (Targets.map o apsnd) (K k);
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(** serializer usage **)
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(* montage *)
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fun the_literals thy =
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  let
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    val ((targets, _), _) = Targets.get thy;
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    fun literals target = case Symtab.lookup targets target
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     of SOME data => (case the_serializer data
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         of Serializer (_, literals) => literals
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          | Extends (super, _) => literals super)
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      | NONE => error ("Unknown code target language: " ^ quote target);
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  in literals end;
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local
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fun activate_syntax lookup_name src_tab = Symtab.empty
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  |> fold_map (fn thing_identifier => fn tab => case lookup_name thing_identifier
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       of SOME name => (SOME name,
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            Symtab.update_new (name, the (Symtab.lookup src_tab thing_identifier)) tab)
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        | NONE => (NONE, tab)) (Symtab.keys src_tab)
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  |>> map_filter I;
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fun activate_const_syntax thy literals src_tab naming = (Symtab.empty, naming)
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  |> fold_map (fn thing_identifier => fn (tab, naming) =>
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      case Code_Thingol.lookup_const naming thing_identifier
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       of SOME name => let
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              val (syn, naming') = Code_Printer.activate_const_syntax thy
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                literals (the (Symtab.lookup src_tab thing_identifier)) naming
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            in (SOME name, (Symtab.update_new (name, syn) tab, naming')) end
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        | NONE => (NONE, (tab, naming))) (Symtab.keys src_tab)
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  |>> map_filter I;
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fun invoke_serializer thy abortable serializer literals reserved abs_includes 
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    module_alias class instance tyco const module width args naming program2 names1 =
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  let
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    val (names_class, class') =
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      activate_syntax (Code_Thingol.lookup_class naming) class;
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    val names_inst = map_filter (Code_Thingol.lookup_instance naming)
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      (Symreltab.keys instance);
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    val (names_tyco, tyco') =
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      activate_syntax (Code_Thingol.lookup_tyco naming) tyco;
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    val (names_const, (const', _)) =
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      activate_const_syntax thy literals const naming;
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    val names_hidden = names_class @ names_inst @ names_tyco @ names_const;
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    val names2 = subtract (op =) names_hidden names1;
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    val program3 = Graph.subgraph (not o member (op =) names_hidden) program2;
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    val names_all = Graph.all_succs program3 names2;
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    val includes = abs_includes names_all;
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    val program4 = Graph.subgraph (member (op =) names_all) program3;
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    val empty_funs = filter_out (member (op =) abortable)
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      (Code_Thingol.empty_funs program3);
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    val _ = if null empty_funs then () else error ("No code equations for "
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      ^ commas (map (Sign.extern_const thy) empty_funs));
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  in
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    serializer module args (Code_Thingol.labelled_name thy program2) reserved includes
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      (Symtab.lookup module_alias) (Symtab.lookup class')
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      (Symtab.lookup tyco') (Symtab.lookup const')
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      (Code_Printer.string_of_pretty width, Code_Printer.writeln_pretty width)
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      program4 names1
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  end;
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fun mount_serializer thy alt_serializer target some_width module args naming program names =
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  let
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    val ((targets, abortable), default_width) = Targets.get thy;
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    fun collapse_hierarchy target =
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      let
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        val data = case Symtab.lookup targets target
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         of SOME data => data
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          | NONE => error ("Unknown code target language: " ^ quote target);
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      in case the_serializer data
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       of Serializer _ => (I, data)
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        | Extends (super, modify) => let
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            val (modify', data') = collapse_hierarchy super
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          in (modify' #> modify naming, merge_target false target (data', data)) end
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      end;
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    val (modify, data) = collapse_hierarchy target;
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    val (serializer, _) = the_default (case the_serializer data
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     of Serializer seri => seri) alt_serializer;
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    val reserved = the_reserved data;
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    fun select_include names_all (name, (content, cs)) =
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      if null cs then SOME (name, content)
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      else if exists (fn c => case Code_Thingol.lookup_const naming c
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       of SOME name => member (op =) names_all name
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        | NONE => false) cs
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      then SOME (name, content) else NONE;
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    fun includes names_all = map_filter (select_include names_all)
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      ((Symtab.dest o the_includes) data);
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    val module_alias = the_module_alias data;
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   313
    val { class, instance, tyco, const } = the_name_syntax data;
haftmann@34021
   314
    val literals = the_literals thy target;
haftmann@34071
   315
    val width = the_default default_width some_width;
haftmann@34021
   316
  in
haftmann@34021
   317
    invoke_serializer thy abortable serializer literals reserved
haftmann@34071
   318
      includes module_alias class instance tyco const module width args naming (modify program) names
haftmann@34021
   319
  end;
haftmann@34021
   320
haftmann@34021
   321
in
haftmann@34021
   322
haftmann@34021
   323
fun serialize thy = mount_serializer thy NONE;
haftmann@34021
   324
haftmann@34021
   325
fun serialize_custom thy (target_name, seri) naming program names =
haftmann@34071
   326
  mount_serializer thy (SOME seri) target_name NONE NONE [] naming program names (String [])
haftmann@34021
   327
  |> the;
haftmann@34021
   328
haftmann@34021
   329
end; (* local *)
haftmann@34021
   330
haftmann@34021
   331
haftmann@34021
   332
(* code presentation *)
haftmann@34021
   333
haftmann@34071
   334
fun code_of thy target some_width module_name cs names_stmt =
haftmann@34021
   335
  let
haftmann@36271
   336
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@34021
   337
  in
haftmann@34071
   338
    string (names_stmt naming)
haftmann@34071
   339
      (serialize thy target some_width (SOME module_name) [] naming program names_cs)
haftmann@34021
   340
  end;
haftmann@34021
   341
haftmann@34021
   342
haftmann@34021
   343
(* code generation *)
haftmann@34021
   344
haftmann@34021
   345
fun transitivly_non_empty_funs thy naming program =
haftmann@34021
   346
  let
haftmann@34021
   347
    val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021
   348
    val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021
   349
  in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021
   350
haftmann@34021
   351
fun read_const_exprs thy cs =
haftmann@34021
   352
  let
haftmann@34021
   353
    val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@36271
   354
    val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
haftmann@36271
   355
    val names3 = transitivly_non_empty_funs thy naming program;
haftmann@36271
   356
    val cs3 = map_filter (fn (c, name) =>
haftmann@36271
   357
      if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
haftmann@36271
   358
  in union (op =) cs3 cs1 end;
haftmann@34021
   359
haftmann@37745
   360
fun external_check thy target env_var make_destination make_command p =
haftmann@37745
   361
  let
haftmann@37745
   362
    val env_param = getenv env_var;
haftmann@37745
   363
    fun ext_check env_param =
haftmann@37745
   364
      let 
haftmann@37745
   365
        val module_name = "Code_Test";
haftmann@37745
   366
        val (cs, (naming, program)) =
haftmann@37745
   367
          Code_Thingol.consts_program thy false (read_const_exprs thy ["*"]);
haftmann@37745
   368
        val destination = make_destination p;
haftmann@37745
   369
        val _ = file destination (serialize thy target (SOME 80)
haftmann@37745
   370
          (SOME module_name) [] naming program cs);
haftmann@37745
   371
        val cmd = make_command env_param destination module_name;
haftmann@37745
   372
      in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd) <> 0
haftmann@37745
   373
        then error ("Code check failed for " ^ target ^ ": " ^ cmd)
haftmann@37745
   374
        else ()
haftmann@37745
   375
      end;
haftmann@37745
   376
  in if env_param = ""
haftmann@37745
   377
    then warning (env_var ^ " not set; skipped code check for " ^ target)
haftmann@37745
   378
    else ext_check env_param
haftmann@37745
   379
  end;
haftmann@37745
   380
haftmann@34021
   381
fun export_code thy cs seris =
haftmann@34021
   382
  let
haftmann@36271
   383
    val (cs', (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@34021
   384
    fun mk_seri_dest dest = case dest
haftmann@34021
   385
     of NONE => compile
haftmann@34021
   386
      | SOME "-" => export
haftmann@34021
   387
      | SOME f => file (Path.explode f)
haftmann@34021
   388
    val _ = map (fn (((target, module), dest), args) =>
haftmann@34071
   389
      (mk_seri_dest dest (serialize thy target NONE module args naming program cs'))) seris;
haftmann@34021
   390
  in () end;
haftmann@34021
   391
haftmann@34021
   392
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs) seris;
haftmann@34021
   393
haftmann@34021
   394
haftmann@28054
   395
(** serializer configuration **)
haftmann@27000
   396
haftmann@27000
   397
(* data access *)
haftmann@24219
   398
haftmann@24992
   399
fun cert_class thy class =
haftmann@24992
   400
  let
haftmann@24992
   401
    val _ = AxClass.get_info thy class;
haftmann@24992
   402
  in class end;
haftmann@24992
   403
haftmann@27103
   404
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
   405
haftmann@24992
   406
fun cert_tyco thy tyco =
haftmann@24992
   407
  let
haftmann@24992
   408
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
   409
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
   410
  in tyco end;
haftmann@24992
   411
haftmann@27103
   412
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
   413
haftmann@34071
   414
fun cert_inst thy (class, tyco) =
haftmann@34071
   415
  (cert_class thy class, cert_tyco thy tyco);
haftmann@34071
   416
haftmann@34071
   417
fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071
   418
  (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071
   419
haftmann@34152
   420
fun gen_add_syntax upd del mapp check_x check_raw_syn prep_syn prep_x target raw_x some_raw_syn thy =
haftmann@24219
   421
  let
haftmann@34152
   422
    val x = prep_x thy raw_x |> tap (check_x thy);
haftmann@34152
   423
    fun prep_check raw_syn = prep_syn (raw_syn |> tap (check_raw_syn thy target));
haftmann@34152
   424
  in case some_raw_syn
haftmann@34152
   425
   of SOME raw_syn => (map_name_syntax target o mapp) (upd (x, prep_check raw_syn)) thy
haftmann@34071
   426
    | NONE => (map_name_syntax target o mapp) (del x) thy
haftmann@24219
   427
  end;
haftmann@24219
   428
haftmann@34152
   429
fun gen_add_syntax_class prep_class =
haftmann@34152
   430
  gen_add_syntax Symtab.update Symtab.delete_safe (apfst o apfst) (K I) ((K o K o K) ()) I prep_class;
haftmann@34071
   431
haftmann@34152
   432
fun gen_add_syntax_inst prep_inst =
haftmann@34152
   433
  gen_add_syntax Symreltab.update Symreltab.delete_safe (apfst o apsnd) (K I) ((K o K o K) ()) I prep_inst;
haftmann@24219
   434
haftmann@34152
   435
fun gen_add_syntax_tyco prep_tyco =
haftmann@34071
   436
  gen_add_syntax Symtab.update Symtab.delete_safe (apsnd o apfst)
haftmann@34071
   437
    (fn thy => fn tyco => fn (n, _) => if n <> Sign.arity_number thy tyco
haftmann@34071
   438
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@34152
   439
      else ()) ((K o K o K) ()) I prep_tyco;
haftmann@34071
   440
haftmann@34152
   441
fun gen_add_syntax_const prep_const check_raw_syn prep_syn =
haftmann@34071
   442
  gen_add_syntax Symtab.update Symtab.delete_safe (apsnd o apsnd)
haftmann@34071
   443
    (fn thy => fn c => fn (n, _) => if n > Code.args_number thy c
haftmann@24423
   444
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@34152
   445
      else ()) check_raw_syn prep_syn prep_const;
haftmann@24219
   446
haftmann@24219
   447
fun add_reserved target =
haftmann@24219
   448
  let
haftmann@24219
   449
    fun add sym syms = if member (op =) syms sym
haftmann@24219
   450
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@24219
   451
      else insert (op =) sym syms
haftmann@27103
   452
  in map_reserved target o add end;
haftmann@24992
   453
haftmann@28926
   454
fun gen_add_include read_const target args thy =
haftmann@24992
   455
  let
haftmann@28926
   456
    fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992
   457
          let
haftmann@24992
   458
            val _ = if Symtab.defined incls name
haftmann@24992
   459
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
   460
              else ();
haftmann@28926
   461
            val cs = map (read_const thy) raw_cs;
haftmann@34152
   462
          in Symtab.update (name, (Code_Printer.str content, cs)) incls end
haftmann@28926
   463
      | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926
   464
  in map_includes target (add args) thy end;
haftmann@28926
   465
haftmann@33969
   466
val add_include = gen_add_include (K I);
haftmann@31156
   467
val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219
   468
haftmann@31013
   469
fun add_module_alias target (thyname, modlname) =
haftmann@31013
   470
  let
haftmann@31013
   471
    val xs = Long_Name.explode modlname;
haftmann@31036
   472
    val xs' = map (Name.desymbolize true) xs;
haftmann@31013
   473
  in if xs' = xs
haftmann@31013
   474
    then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@31013
   475
    else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@31013
   476
      ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@31013
   477
  end;
haftmann@24219
   478
haftmann@28663
   479
fun gen_allow_abort prep_const raw_c thy =
haftmann@24841
   480
  let
haftmann@28663
   481
    val c = prep_const thy raw_c;
haftmann@34248
   482
  in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841
   483
haftmann@27000
   484
haftmann@27103
   485
(* concrete syntax *)
haftmann@27000
   486
haftmann@34021
   487
local
haftmann@34021
   488
haftmann@34152
   489
fun zip_list (x::xs) f g =
haftmann@34152
   490
  f
haftmann@34152
   491
  #-> (fn y =>
haftmann@34152
   492
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@34152
   493
    #-> (fn xys => pair ((x, y) :: xys)));
haftmann@34152
   494
haftmann@24219
   495
fun parse_multi_syntax parse_thing parse_syntax =
wenzelm@36960
   496
  Parse.and_list1 parse_thing
wenzelm@36960
   497
  #-> (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
wenzelm@36960
   498
        (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")"));
haftmann@24219
   499
haftmann@24219
   500
in
haftmann@24219
   501
haftmann@33969
   502
val add_syntax_class = gen_add_syntax_class cert_class;
haftmann@34071
   503
val add_syntax_inst = gen_add_syntax_inst cert_inst;
haftmann@24219
   504
val add_syntax_tyco = gen_add_syntax_tyco cert_tyco;
haftmann@34152
   505
val add_syntax_const_simple = gen_add_syntax_const (K I) ((K o K o K) ()) Code_Printer.simple_const_syntax;
haftmann@34152
   506
val add_syntax_const = gen_add_syntax_const (K I) ((K o K o K) ()) I;
haftmann@27103
   507
val allow_abort = gen_allow_abort (K I);
haftmann@28054
   508
val add_reserved = add_reserved;
haftmann@33969
   509
val add_include = add_include;
haftmann@24219
   510
haftmann@33969
   511
val add_syntax_class_cmd = gen_add_syntax_class read_class;
haftmann@34071
   512
val add_syntax_inst_cmd = gen_add_syntax_inst read_inst;
haftmann@24219
   513
val add_syntax_tyco_cmd = gen_add_syntax_tyco read_tyco;
haftmann@34152
   514
val add_syntax_const_simple_cmd = gen_add_syntax_const Code.read_const ((K o K o K) ()) Code_Printer.simple_const_syntax;
haftmann@34152
   515
val add_syntax_const_cmd = gen_add_syntax_const Code.read_const ((K o K o K) ()) I;
haftmann@34152
   516
haftmann@31156
   517
val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219
   518
haftmann@28054
   519
fun parse_args f args =
wenzelm@36959
   520
  case Scan.read Token.stopper f args
haftmann@28054
   521
   of SOME x => x
haftmann@28054
   522
    | NONE => error "Bad serializer arguments";
haftmann@28054
   523
haftmann@28054
   524
haftmann@27304
   525
(** Isar setup **)
haftmann@27103
   526
haftmann@27103
   527
val (inK, module_nameK, fileK) = ("in", "module_name", "file");
haftmann@27103
   528
haftmann@30494
   529
val code_exprP =
wenzelm@36960
   530
  (Scan.repeat1 Parse.term_group
wenzelm@36960
   531
  -- Scan.repeat (Parse.$$$ inK |-- Parse.name
wenzelm@36960
   532
     -- Scan.option (Parse.$$$ module_nameK |-- Parse.name)
wenzelm@36960
   533
     -- Scan.option (Parse.$$$ fileK |-- Parse.name)
wenzelm@36960
   534
     -- Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") []
haftmann@30494
   535
  ) >> (fn (raw_cs, seris) => export_code_cmd raw_cs seris));
haftmann@27103
   536
wenzelm@36960
   537
val _ = List.app Keyword.keyword [inK, module_nameK, fileK];
wenzelm@24867
   538
wenzelm@24867
   539
val _ =
wenzelm@36960
   540
  Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
wenzelm@36960
   541
    parse_multi_syntax Parse.xname (Scan.option Parse.string)
haftmann@24219
   542
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   543
          fold (fn (raw_class, syn) => add_syntax_class_cmd target raw_class syn) syns)
haftmann@24219
   544
  );
haftmann@24219
   545
wenzelm@24867
   546
val _ =
wenzelm@36960
   547
  Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
wenzelm@36960
   548
    parse_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
wenzelm@36960
   549
      (Scan.option (Parse.minus >> K ()))
haftmann@24219
   550
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   551
          fold (fn (raw_inst, add_del) => add_syntax_inst_cmd target raw_inst add_del) syns)
haftmann@24219
   552
  );
haftmann@24219
   553
wenzelm@24867
   554
val _ =
wenzelm@36960
   555
  Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
wenzelm@36960
   556
    parse_multi_syntax Parse.xname (Code_Printer.parse_syntax I)
haftmann@24219
   557
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   558
          fold (fn (raw_tyco, syn) => add_syntax_tyco_cmd target raw_tyco syn) syns)
haftmann@24219
   559
  );
haftmann@24219
   560
wenzelm@24867
   561
val _ =
wenzelm@36960
   562
  Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
wenzelm@36960
   563
    parse_multi_syntax Parse.term_group (Code_Printer.parse_syntax fst)
haftmann@24219
   564
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@34152
   565
      fold (fn (raw_const, syn) => add_syntax_const_simple_cmd target raw_const syn) syns)
haftmann@24219
   566
  );
haftmann@24219
   567
wenzelm@24867
   568
val _ =
wenzelm@36960
   569
  Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
wenzelm@36960
   570
    Keyword.thy_decl (
wenzelm@36960
   571
    Parse.name -- Scan.repeat1 Parse.name
haftmann@24219
   572
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
   573
  );
haftmann@24219
   574
wenzelm@24867
   575
val _ =
wenzelm@36960
   576
  Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
wenzelm@36960
   577
    Keyword.thy_decl (
wenzelm@36960
   578
    Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
wenzelm@36960
   579
      | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
haftmann@28926
   580
    >> (fn ((target, name), content_consts) =>
haftmann@28926
   581
        (Toplevel.theory o add_include_cmd target) (name, content_consts))
haftmann@24992
   582
  );
haftmann@24992
   583
haftmann@24992
   584
val _ =
wenzelm@36960
   585
  Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
wenzelm@36960
   586
    Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
haftmann@27103
   587
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103
   588
  );
haftmann@27103
   589
haftmann@27103
   590
val _ =
wenzelm@36960
   591
  Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
wenzelm@36960
   592
    Keyword.thy_decl (
wenzelm@36960
   593
    Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841
   594
  );
haftmann@24219
   595
wenzelm@24867
   596
val _ =
wenzelm@36960
   597
  Outer_Syntax.command "export_code" "generate executable code for constants"
wenzelm@36960
   598
    Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494
   599
haftmann@30494
   600
fun shell_command thyname cmd = Toplevel.program (fn _ =>
wenzelm@36960
   601
  (use_thy thyname; case Scan.read Token.stopper (Parse.!!! code_exprP)
wenzelm@36960
   602
    ((filter Token.is_proper o Outer_Syntax.scan Position.none) cmd)
haftmann@30494
   603
   of SOME f => (writeln "Now generating code..."; f (theory thyname))
haftmann@30494
   604
    | NONE => error ("Bad directive " ^ quote cmd)))
haftmann@33969
   605
  handle Runtime.TOPLEVEL_ERROR => OS.Process.exit OS.Process.failure;
haftmann@27103
   606
haftmann@24219
   607
end; (*local*)
haftmann@24219
   608
haftmann@24219
   609
end; (*struct*)