src/Tools/Code/code_target.ML
author haftmann
Mon Dec 21 08:32:04 2009 +0100 (2009-12-21)
changeset 34152 8e5b596d8c73
parent 34081 bb01fd325c6b
child 34173 458ced35abb8
permissions -rw-r--r--
clarified various user-defined syntax issues
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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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  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: (OuterLex.token list -> 'a * OuterLex.token list)
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    -> OuterLex.token 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 -> OuterLex.token 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 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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  -> OuterLex.token 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 (op =) (includes1, includes2)),
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        (merge_name_syntax_table (name_syntax_table1, name_syntax_table2),
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          Symtab.join (K snd) (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 CodeTargetData = 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 CodeTargetData.get;
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val the_default_width = snd o CodeTargetData.get;
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fun assert_target thy target = if Symtab.defined ((fst o fst) (CodeTargetData.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) (CodeTargetData.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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    |> (CodeTargetData.map o apfst o apfst oo Symtab.map_default)
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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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          ((map_target o apfst o apsnd o K) seri)
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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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    |> (CodeTargetData.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 = (CodeTargetData.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, _), _) = CodeTargetData.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 names2
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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) = CodeTargetData.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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    val { class, instance, tyco, const } = the_name_syntax data;
haftmann@34021
   313
    val literals = the_literals thy target;
haftmann@34071
   314
    val width = the_default default_width some_width;
haftmann@34021
   315
  in
haftmann@34021
   316
    invoke_serializer thy abortable serializer literals reserved
haftmann@34071
   317
      includes module_alias class instance tyco const module width args naming (modify program) names
haftmann@34021
   318
  end;
haftmann@34021
   319
haftmann@34021
   320
in
haftmann@34021
   321
haftmann@34021
   322
fun serialize thy = mount_serializer thy NONE;
haftmann@34021
   323
haftmann@34021
   324
fun serialize_custom thy (target_name, seri) naming program names =
haftmann@34071
   325
  mount_serializer thy (SOME seri) target_name NONE NONE [] naming program names (String [])
haftmann@34021
   326
  |> the;
haftmann@34021
   327
haftmann@34021
   328
end; (* local *)
haftmann@34021
   329
haftmann@34021
   330
haftmann@34021
   331
(* code presentation *)
haftmann@34021
   332
haftmann@34071
   333
fun code_of thy target some_width module_name cs names_stmt =
haftmann@34021
   334
  let
haftmann@34021
   335
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy cs;
haftmann@34021
   336
  in
haftmann@34071
   337
    string (names_stmt naming)
haftmann@34071
   338
      (serialize thy target some_width (SOME module_name) [] naming program names_cs)
haftmann@34021
   339
  end;
haftmann@34021
   340
haftmann@34021
   341
haftmann@34021
   342
(* code generation *)
haftmann@34021
   343
haftmann@34021
   344
fun transitivly_non_empty_funs thy naming program =
haftmann@34021
   345
  let
haftmann@34021
   346
    val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021
   347
    val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021
   348
  in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021
   349
haftmann@34021
   350
fun read_const_exprs thy cs =
haftmann@34021
   351
  let
haftmann@34021
   352
    val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@34021
   353
    val (names3, (naming, program)) = Code_Thingol.consts_program thy cs2;
haftmann@34021
   354
    val names4 = transitivly_non_empty_funs thy naming program;
haftmann@34021
   355
    val cs5 = map_filter
haftmann@34021
   356
      (fn (c, name) => if member (op =) names4 name then SOME c else NONE) (cs2 ~~ names3);
haftmann@34021
   357
  in fold (insert (op =)) cs5 cs1 end;
haftmann@34021
   358
haftmann@34021
   359
fun cached_program thy = 
haftmann@34021
   360
  let
haftmann@34021
   361
    val (naming, program) = Code_Thingol.cached_program thy;
haftmann@34021
   362
  in (transitivly_non_empty_funs thy naming program, (naming, program)) end
haftmann@34021
   363
haftmann@34021
   364
fun export_code thy cs seris =
haftmann@34021
   365
  let
haftmann@34021
   366
    val (cs', (naming, program)) = if null cs then cached_program thy
haftmann@34021
   367
      else Code_Thingol.consts_program thy cs;
haftmann@34021
   368
    fun mk_seri_dest dest = case dest
haftmann@34021
   369
     of NONE => compile
haftmann@34021
   370
      | SOME "-" => export
haftmann@34021
   371
      | SOME f => file (Path.explode f)
haftmann@34021
   372
    val _ = map (fn (((target, module), dest), args) =>
haftmann@34071
   373
      (mk_seri_dest dest (serialize thy target NONE module args naming program cs'))) seris;
haftmann@34021
   374
  in () end;
haftmann@34021
   375
haftmann@34021
   376
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs) seris;
haftmann@34021
   377
haftmann@34021
   378
haftmann@28054
   379
(** serializer configuration **)
haftmann@27000
   380
haftmann@27000
   381
(* data access *)
haftmann@24219
   382
haftmann@24992
   383
fun cert_class thy class =
haftmann@24992
   384
  let
haftmann@24992
   385
    val _ = AxClass.get_info thy class;
haftmann@24992
   386
  in class end;
haftmann@24992
   387
haftmann@27103
   388
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
   389
haftmann@24992
   390
fun cert_tyco thy tyco =
haftmann@24992
   391
  let
haftmann@24992
   392
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
   393
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
   394
  in tyco end;
haftmann@24992
   395
haftmann@27103
   396
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
   397
haftmann@34071
   398
fun cert_inst thy (class, tyco) =
haftmann@34071
   399
  (cert_class thy class, cert_tyco thy tyco);
haftmann@34071
   400
haftmann@34071
   401
fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071
   402
  (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071
   403
haftmann@34152
   404
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
   405
  let
haftmann@34152
   406
    val x = prep_x thy raw_x |> tap (check_x thy);
haftmann@34152
   407
    fun prep_check raw_syn = prep_syn (raw_syn |> tap (check_raw_syn thy target));
haftmann@34152
   408
  in case some_raw_syn
haftmann@34152
   409
   of SOME raw_syn => (map_name_syntax target o mapp) (upd (x, prep_check raw_syn)) thy
haftmann@34071
   410
    | NONE => (map_name_syntax target o mapp) (del x) thy
haftmann@24219
   411
  end;
haftmann@24219
   412
haftmann@34152
   413
fun gen_add_syntax_class prep_class =
haftmann@34152
   414
  gen_add_syntax Symtab.update Symtab.delete_safe (apfst o apfst) (K I) ((K o K o K) ()) I prep_class;
haftmann@34071
   415
haftmann@34152
   416
fun gen_add_syntax_inst prep_inst =
haftmann@34152
   417
  gen_add_syntax Symreltab.update Symreltab.delete_safe (apfst o apsnd) (K I) ((K o K o K) ()) I prep_inst;
haftmann@24219
   418
haftmann@34152
   419
fun gen_add_syntax_tyco prep_tyco =
haftmann@34071
   420
  gen_add_syntax Symtab.update Symtab.delete_safe (apsnd o apfst)
haftmann@34071
   421
    (fn thy => fn tyco => fn (n, _) => if n <> Sign.arity_number thy tyco
haftmann@34071
   422
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@34152
   423
      else ()) ((K o K o K) ()) I prep_tyco;
haftmann@34071
   424
haftmann@34152
   425
fun gen_add_syntax_const prep_const check_raw_syn prep_syn =
haftmann@34071
   426
  gen_add_syntax Symtab.update Symtab.delete_safe (apsnd o apsnd)
haftmann@34071
   427
    (fn thy => fn c => fn (n, _) => if n > Code.args_number thy c
haftmann@24423
   428
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@34152
   429
      else ()) check_raw_syn prep_syn prep_const;
haftmann@24219
   430
haftmann@24219
   431
fun add_reserved target =
haftmann@24219
   432
  let
haftmann@24219
   433
    fun add sym syms = if member (op =) syms sym
haftmann@24219
   434
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@24219
   435
      else insert (op =) sym syms
haftmann@27103
   436
  in map_reserved target o add end;
haftmann@24992
   437
haftmann@28926
   438
fun gen_add_include read_const target args thy =
haftmann@24992
   439
  let
haftmann@28926
   440
    fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992
   441
          let
haftmann@24992
   442
            val _ = if Symtab.defined incls name
haftmann@24992
   443
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
   444
              else ();
haftmann@28926
   445
            val cs = map (read_const thy) raw_cs;
haftmann@34152
   446
          in Symtab.update (name, (Code_Printer.str content, cs)) incls end
haftmann@28926
   447
      | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926
   448
  in map_includes target (add args) thy end;
haftmann@28926
   449
haftmann@33969
   450
val add_include = gen_add_include (K I);
haftmann@31156
   451
val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219
   452
haftmann@31013
   453
fun add_module_alias target (thyname, modlname) =
haftmann@31013
   454
  let
haftmann@31013
   455
    val xs = Long_Name.explode modlname;
haftmann@31036
   456
    val xs' = map (Name.desymbolize true) xs;
haftmann@31013
   457
  in if xs' = xs
haftmann@31013
   458
    then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@31013
   459
    else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@31013
   460
      ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@31013
   461
  end;
haftmann@24219
   462
haftmann@28663
   463
fun gen_allow_abort prep_const raw_c thy =
haftmann@24841
   464
  let
haftmann@28663
   465
    val c = prep_const thy raw_c;
haftmann@34071
   466
  in thy |> (CodeTargetData.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841
   467
haftmann@27000
   468
haftmann@27103
   469
(* concrete syntax *)
haftmann@27000
   470
haftmann@34021
   471
local
haftmann@34021
   472
haftmann@24219
   473
structure P = OuterParse
haftmann@24219
   474
and K = OuterKeyword
haftmann@24219
   475
haftmann@34152
   476
fun zip_list (x::xs) f g =
haftmann@34152
   477
  f
haftmann@34152
   478
  #-> (fn y =>
haftmann@34152
   479
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@34152
   480
    #-> (fn xys => pair ((x, y) :: xys)));
haftmann@34152
   481
haftmann@24219
   482
fun parse_multi_syntax parse_thing parse_syntax =
haftmann@24219
   483
  P.and_list1 parse_thing
haftmann@24219
   484
  #-> (fn things => Scan.repeat1 (P.$$$ "(" |-- P.name --
haftmann@24219
   485
        (zip_list things parse_syntax (P.$$$ "and")) --| P.$$$ ")"));
haftmann@24219
   486
haftmann@24219
   487
in
haftmann@24219
   488
haftmann@33969
   489
val add_syntax_class = gen_add_syntax_class cert_class;
haftmann@34071
   490
val add_syntax_inst = gen_add_syntax_inst cert_inst;
haftmann@24219
   491
val add_syntax_tyco = gen_add_syntax_tyco cert_tyco;
haftmann@34152
   492
val add_syntax_const_simple = gen_add_syntax_const (K I) ((K o K o K) ()) Code_Printer.simple_const_syntax;
haftmann@34152
   493
val add_syntax_const = gen_add_syntax_const (K I) ((K o K o K) ()) I;
haftmann@27103
   494
val allow_abort = gen_allow_abort (K I);
haftmann@28054
   495
val add_reserved = add_reserved;
haftmann@33969
   496
val add_include = add_include;
haftmann@24219
   497
haftmann@33969
   498
val add_syntax_class_cmd = gen_add_syntax_class read_class;
haftmann@34071
   499
val add_syntax_inst_cmd = gen_add_syntax_inst read_inst;
haftmann@24219
   500
val add_syntax_tyco_cmd = gen_add_syntax_tyco read_tyco;
haftmann@34152
   501
val add_syntax_const_simple_cmd = gen_add_syntax_const Code.read_const ((K o K o K) ()) Code_Printer.simple_const_syntax;
haftmann@34152
   502
val add_syntax_const_cmd = gen_add_syntax_const Code.read_const ((K o K o K) ()) I;
haftmann@34152
   503
haftmann@31156
   504
val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219
   505
haftmann@28054
   506
fun parse_args f args =
haftmann@28054
   507
  case Scan.read OuterLex.stopper f args
haftmann@28054
   508
   of SOME x => x
haftmann@28054
   509
    | NONE => error "Bad serializer arguments";
haftmann@28054
   510
haftmann@28054
   511
haftmann@27304
   512
(** Isar setup **)
haftmann@27103
   513
haftmann@27103
   514
val (inK, module_nameK, fileK) = ("in", "module_name", "file");
haftmann@27103
   515
haftmann@30494
   516
val code_exprP =
wenzelm@27757
   517
  (Scan.repeat P.term_group
haftmann@27103
   518
  -- Scan.repeat (P.$$$ inK |-- P.name
haftmann@27103
   519
     -- Scan.option (P.$$$ module_nameK |-- P.name)
haftmann@27103
   520
     -- Scan.option (P.$$$ fileK |-- P.name)
wenzelm@27809
   521
     -- Scan.optional (P.$$$ "(" |-- Args.parse --| P.$$$ ")") []
haftmann@30494
   522
  ) >> (fn (raw_cs, seris) => export_code_cmd raw_cs seris));
haftmann@27103
   523
haftmann@28054
   524
val _ = List.app OuterKeyword.keyword [inK, module_nameK, fileK];
wenzelm@24867
   525
wenzelm@24867
   526
val _ =
haftmann@24992
   527
  OuterSyntax.command "code_class" "define code syntax for class" K.thy_decl (
haftmann@28690
   528
    parse_multi_syntax P.xname (Scan.option P.string)
haftmann@24219
   529
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   530
          fold (fn (raw_class, syn) => add_syntax_class_cmd target raw_class syn) syns)
haftmann@24219
   531
  );
haftmann@24219
   532
wenzelm@24867
   533
val _ =
haftmann@24992
   534
  OuterSyntax.command "code_instance" "define code syntax for instance" K.thy_decl (
haftmann@34152
   535
    parse_multi_syntax (P.xname --| P.$$$ "::" -- P.xname) (Scan.option (P.minus >> K ()))
haftmann@24219
   536
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   537
          fold (fn (raw_inst, add_del) => add_syntax_inst_cmd target raw_inst add_del) syns)
haftmann@24219
   538
  );
haftmann@24219
   539
wenzelm@24867
   540
val _ =
haftmann@24992
   541
  OuterSyntax.command "code_type" "define code syntax for type constructor" K.thy_decl (
haftmann@34152
   542
    parse_multi_syntax P.xname (Code_Printer.parse_syntax I)
haftmann@24219
   543
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
   544
          fold (fn (raw_tyco, syn) => add_syntax_tyco_cmd target raw_tyco syn) syns)
haftmann@24219
   545
  );
haftmann@24219
   546
wenzelm@24867
   547
val _ =
haftmann@24992
   548
  OuterSyntax.command "code_const" "define code syntax for constant" K.thy_decl (
haftmann@34152
   549
    parse_multi_syntax P.term_group (Code_Printer.parse_syntax fst)
haftmann@24219
   550
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@34152
   551
      fold (fn (raw_const, syn) => add_syntax_const_simple_cmd target raw_const syn) syns)
haftmann@24219
   552
  );
haftmann@24219
   553
wenzelm@24867
   554
val _ =
haftmann@24992
   555
  OuterSyntax.command "code_reserved" "declare words as reserved for target language" K.thy_decl (
haftmann@24219
   556
    P.name -- Scan.repeat1 P.name
haftmann@24219
   557
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
   558
  );
haftmann@24219
   559
wenzelm@24867
   560
val _ =
haftmann@24992
   561
  OuterSyntax.command "code_include" "declare piece of code to be included in generated code" K.thy_decl (
haftmann@28926
   562
    P.name -- P.name -- (P.text :|-- (fn "-" => Scan.succeed NONE
haftmann@28926
   563
      | s => Scan.optional (P.$$$ "attach" |-- Scan.repeat1 P.term) [] >> pair s >> SOME))
haftmann@28926
   564
    >> (fn ((target, name), content_consts) =>
haftmann@28926
   565
        (Toplevel.theory o add_include_cmd target) (name, content_consts))
haftmann@24992
   566
  );
haftmann@24992
   567
haftmann@24992
   568
val _ =
haftmann@24992
   569
  OuterSyntax.command "code_modulename" "alias module to other name" K.thy_decl (
haftmann@24219
   570
    P.name -- Scan.repeat1 (P.name -- P.name)
haftmann@27103
   571
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103
   572
  );
haftmann@27103
   573
haftmann@27103
   574
val _ =
haftmann@27103
   575
  OuterSyntax.command "code_abort" "permit constant to be implemented as program abort" K.thy_decl (
wenzelm@27757
   576
    Scan.repeat1 P.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841
   577
  );
haftmann@24219
   578
wenzelm@24867
   579
val _ =
haftmann@27103
   580
  OuterSyntax.command "export_code" "generate executable code for constants"
haftmann@30494
   581
    K.diag (P.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494
   582
haftmann@30494
   583
fun shell_command thyname cmd = Toplevel.program (fn _ =>
haftmann@30494
   584
  (use_thy thyname; case Scan.read OuterLex.stopper (P.!!! code_exprP)
haftmann@30494
   585
    ((filter OuterLex.is_proper o OuterSyntax.scan Position.none) cmd)
haftmann@30494
   586
   of SOME f => (writeln "Now generating code..."; f (theory thyname))
haftmann@30494
   587
    | NONE => error ("Bad directive " ^ quote cmd)))
haftmann@33969
   588
  handle Runtime.TOPLEVEL_ERROR => OS.Process.exit OS.Process.failure;
haftmann@27103
   589
haftmann@24219
   590
end; (*local*)
haftmann@24219
   591
haftmann@24219
   592
end; (*struct*)