src/Tools/Code/code_target.ML
author haftmann
Tue Dec 21 07:45:04 2010 +0100 (2010-12-21)
changeset 41342 3519e0dd8f75
parent 41307 bb8468ae414e
child 41344 d990badc97a3
permissions -rw-r--r--
more explicit structure for serializer invocation
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(*  Title:      Tools/Code/code_target.ML
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    Author:     Florian Haftmann, TU Muenchen
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Generic infrastructure for target language data.
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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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  val read_const_exprs: theory -> string list -> string list
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  val export_code_for: theory -> Path.T option -> string -> int option -> string -> Token.T list
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
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  val produce_code_for: theory -> string -> int option -> string -> Token.T list
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> string * string option list
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  val present_code_for: theory -> string -> int option -> string -> Token.T list
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list * string list -> string
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  val check_code_for: theory -> string -> bool -> Token.T list
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    -> Code_Thingol.naming -> Code_Thingol.program -> string list -> unit
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  val export_code: theory -> string list
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    -> (((string * string) * Path.T option) * Token.T list) list -> unit
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  val produce_code: theory -> string list
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    -> string -> int option -> string -> Token.T list -> string * string option list
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  val present_code: theory -> string list -> (Code_Thingol.naming -> string list)
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    -> string -> int option -> string -> Token.T list -> string
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  val check_code: theory -> string list
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    -> ((string * bool) * Token.T list) list -> unit
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  type serializer
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  type literals = Code_Printer.literals
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  val add_target: string * { serializer: serializer, literals: literals,
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    check: { env_var: string, make_destination: Path.T -> Path.T,
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      make_command: string -> string -> string } } -> 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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  val the_literals: theory -> string -> literals
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  type serialization
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  val parse_args: 'a parser -> Token.T list -> 'a
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  val serialization: (int -> Path.T option -> 'a -> unit)
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    -> (string list -> int -> 'a -> string * (string -> string option))
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    -> 'a -> serialization
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  val set_default_code_width: int -> theory -> theory
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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 const_syntax = Code_Printer.const_syntax
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  val add_class_syntax: string -> class -> string option -> theory -> theory
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  val add_instance_syntax: string -> class * string -> unit option -> theory -> theory
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  val add_tyco_syntax: string -> string -> tyco_syntax option -> theory -> theory
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  val add_const_syntax: string -> string -> 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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  val codegen_tool: string (*theory name*) -> string (*export_code expr*) -> unit
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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 const_syntax = Code_Printer.const_syntax;
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(** abstract nonsense **)
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datatype destination = Export of Path.T option | Produce | Present of string list;
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type serialization = int -> destination -> (string * (string -> string option)) option;
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fun serialization output _ content width (Export some_path) =
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      (output width some_path content; NONE)
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  | serialization _ string content width Produce =
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      string [] width content |> SOME
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  | serialization _ string content width (Present stmt_names) =
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     string stmt_names width content
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     |> apfst (Pretty.output (SOME width) o Pretty.str)
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     |> SOME;
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fun export some_path f = (f (Export some_path); ());
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fun produce f = the (f Produce);
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fun present stmt_names f = fst (the (f (Present stmt_names)));
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(** theory data **)
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datatype symbol_syntax_data = Symbol_Syntax_Data 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.const_syntax Symtab.table
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};
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fun make_symbol_syntax_data ((class, instance), (tyco, const)) =
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  Symbol_Syntax_Data { class = class, instance = instance, tyco = tyco, const = const };
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fun map_symbol_syntax_data f (Symbol_Syntax_Data { class, instance, tyco, const }) =
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  make_symbol_syntax_data (f ((class, instance), (tyco, const)));
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fun merge_symbol_syntax_data
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  (Symbol_Syntax_Data { class = class1, instance = instance1, tyco = tyco1, const = const1 },
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    Symbol_Syntax_Data { class = class2, instance = instance2, tyco = tyco2, const = const2 }) =
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  make_symbol_syntax_data (
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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 = Token.T list
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  -> {
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    labelled_name: string -> string,
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    reserved_syms: string list,
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    includes: (string * Pretty.T) list,
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    module_alias: string -> string option,
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    class_syntax: string -> string option,
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    tyco_syntax: string -> Code_Printer.tyco_syntax option,
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    const_syntax: string -> Code_Printer.activated_const_syntax option }
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  -> Code_Thingol.program
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  -> serialization;
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datatype description = Fundamental of { serializer: serializer,
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      literals: literals,
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      check: { env_var: string, make_destination: Path.T -> Path.T,
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        make_command: string -> string -> string } }
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  | Extension of string *
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      (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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  description: description,
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  reserved: string list,
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  includes: (Pretty.T * string list) Symtab.table,
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  module_alias: string Symtab.table,
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  symbol_syntax: symbol_syntax_data
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};
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fun make_target ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))) =
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  Target { serial = serial, description = description, reserved = reserved, 
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    includes = includes, module_alias = module_alias, symbol_syntax = symbol_syntax };
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fun map_target f ( Target { serial, description, reserved, includes, module_alias, symbol_syntax } ) =
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  make_target (f ((serial, description), ((reserved, includes), (module_alias, symbol_syntax))));
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fun merge_target strict target (Target { serial = serial1, description = description,
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  reserved = reserved1, includes = includes1,
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  module_alias = module_alias1, symbol_syntax = symbol_syntax1 },
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    Target { serial = serial2, description = _,
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      reserved = reserved2, includes = includes2,
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      module_alias = module_alias2, symbol_syntax = symbol_syntax2 }) =
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  if serial1 = serial2 orelse not strict then
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    make_target ((serial1, description),
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      ((merge (op =) (reserved1, reserved2), Symtab.join (K snd) (includes1, includes2)),
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        (Symtab.join (K snd) (module_alias1, module_alias2),
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          merge_symbol_syntax_data (symbol_syntax1, symbol_syntax2))
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    ))
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  else
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    error ("Incompatible targets: " ^ quote target);
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fun the_description (Target { description, ... }) = description;
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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_module_alias (Target { module_alias , ... }) = module_alias;
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fun the_symbol_syntax (Target { symbol_syntax = Symbol_Syntax_Data x, ... }) = x;
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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 Extension (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_description o lookup_target) target
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     of NONE => false
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      | SOME (Extension _) => true
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      | SOME (Fundamental _) => (case seri
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         of Extension _ => 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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            (Symtab.empty, make_symbol_syntax_data ((Symtab.empty, Symreltab.empty),
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              (Symtab.empty, Symtab.empty))))))
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  end;
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fun add_target (target, seri) = put_target (target, Fundamental seri);
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fun extend_target (target, (super, modify)) =
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  put_target (target, Extension (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_module_alias target =
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  map_target_data target o apsnd o apsnd o apfst;
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fun map_symbol_syntax target =
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  map_target_data target o apsnd o apsnd o apsnd o map_symbol_syntax_data;
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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_fundamental thy =
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  let
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    val ((targets, _), _) = Targets.get thy;
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    fun fundamental target = case Symtab.lookup targets target
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     of SOME data => (case the_description data
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         of Fundamental data => data
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          | Extension (super, _) => fundamental super)
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      | NONE => error ("Unknown code target language: " ^ quote target);
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  in fundamental end;
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fun the_literals thy = #literals o the_fundamental thy;
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fun collapse_hierarchy thy =
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  let
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    val ((targets, _), _) = Targets.get thy;
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    fun collapse 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_description data
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       of Fundamental _ => (K I, data)
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        | Extension (super, modify) => let
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            val (modify', data') = collapse super
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          in (fn naming => modify' naming #> modify naming, merge_target false target (data', data)) end
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      end;
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  in collapse end;
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local
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fun activate_target thy target =
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  let
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    val ((targets, abortable), default_width) = Targets.get thy;
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    val (modify, data) = collapse_hierarchy thy target;
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  in (default_width, abortable, data, modify) end;
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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 c => fn (tab, naming) =>
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      case Code_Thingol.lookup_const naming c
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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 c (the (Symtab.lookup src_tab c)) 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 activate_symbol_syntax thy literals naming
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    class_syntax instance_syntax tyco_syntax const_syntax =
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  let
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    val (names_class, class_syntax') =
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      activate_syntax (Code_Thingol.lookup_class naming) class_syntax;
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    val names_inst = map_filter (Code_Thingol.lookup_instance naming)
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      (Symreltab.keys instance_syntax);
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    val (names_tyco, tyco_syntax') =
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      activate_syntax (Code_Thingol.lookup_tyco naming) tyco_syntax;
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    val (names_const, (const_syntax', _)) =
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      activate_const_syntax thy literals const_syntax naming;
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  in
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    (names_class @ names_inst @ names_tyco @ names_const,
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      (class_syntax', tyco_syntax', const_syntax'))
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  end;
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fun project_program thy abortable names_hidden names1 program2 =
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  let
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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 names4 = Graph.all_succs program3 names2;
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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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    val program4 = Graph.subgraph (member (op =) names4) program3;
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  in (names4, program4) end;
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fun prepare_serializer thy abortable serializer literals reserved all_includes
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    module_alias proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax
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    module_name args naming proto_program names =
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  let
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    val (names_hidden, (class_syntax, tyco_syntax, const_syntax)) =
haftmann@38927
   321
      activate_symbol_syntax thy literals naming
haftmann@38927
   322
        proto_class_syntax proto_instance_syntax proto_tyco_syntax proto_const_syntax;
haftmann@38927
   323
    val (names_all, program) = project_program thy abortable names_hidden names proto_program;
haftmann@39484
   324
    fun select_include (name, (content, cs)) =
haftmann@39484
   325
      if null cs orelse exists (fn c => case Code_Thingol.lookup_const naming c
haftmann@39484
   326
       of SOME name => member (op =) names_all name
haftmann@39484
   327
        | NONE => false) cs
haftmann@39484
   328
      then SOME (name, content) else NONE;
haftmann@39484
   329
    val includes = map_filter select_include (Symtab.dest all_includes);
haftmann@34021
   330
  in
haftmann@41342
   331
    (serializer args {
haftmann@38927
   332
      labelled_name = Code_Thingol.labelled_name thy proto_program,
haftmann@38926
   333
      reserved_syms = reserved,
haftmann@38926
   334
      includes = includes,
haftmann@38933
   335
      module_alias = if module_name = "" then Symtab.lookup module_alias else K (SOME module_name),
haftmann@38927
   336
      class_syntax = Symtab.lookup class_syntax,
haftmann@38927
   337
      tyco_syntax = Symtab.lookup tyco_syntax,
haftmann@41342
   338
      const_syntax = Symtab.lookup const_syntax },
haftmann@41342
   339
      program)
haftmann@34021
   340
  end;
haftmann@34021
   341
haftmann@41342
   342
fun mount_serializer thy target some_width module_name args naming program names =
haftmann@34021
   343
  let
haftmann@39484
   344
    val (default_width, abortable, data, modify) = activate_target thy target;
haftmann@38921
   345
    val serializer = case the_description data
haftmann@38927
   346
     of Fundamental seri => #serializer seri;
haftmann@34021
   347
    val reserved = the_reserved data;
haftmann@38779
   348
    val module_alias = the_module_alias data 
haftmann@38925
   349
    val { class, instance, tyco, const } = the_symbol_syntax data;
haftmann@34021
   350
    val literals = the_literals thy target;
haftmann@41342
   351
    val (prepared_serializer, prepared_program) = prepare_serializer thy
haftmann@41342
   352
      abortable serializer literals reserved (the_includes data) module_alias
haftmann@41342
   353
        class instance tyco const module_name args
haftmann@41342
   354
          naming (modify naming program) names
haftmann@34071
   355
    val width = the_default default_width some_width;
haftmann@41342
   356
  in prepared_serializer prepared_program width end;
haftmann@34021
   357
haftmann@38933
   358
fun assert_module_name "" = error ("Empty module name not allowed.")
haftmann@38933
   359
  | assert_module_name module_name = module_name;
haftmann@38933
   360
haftmann@34021
   361
in
haftmann@34021
   362
haftmann@39484
   363
fun export_code_for thy some_path target some_width module_name args =
haftmann@39661
   364
  export some_path ooo mount_serializer thy target some_width module_name args;
haftmann@38918
   365
haftmann@39484
   366
fun produce_code_for thy target some_width module_name args =
haftmann@39102
   367
  let
haftmann@39484
   368
    val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   369
  in fn naming => fn program => fn names =>
haftmann@39661
   370
    produce (serializer naming program names) |> apsnd (fn deresolve => map deresolve names)
haftmann@39484
   371
  end;
haftmann@38929
   372
haftmann@39484
   373
fun present_code_for thy target some_width module_name args =
haftmann@39484
   374
  let
haftmann@39484
   375
    val serializer = mount_serializer thy target some_width (assert_module_name module_name) args;
haftmann@39484
   376
  in fn naming => fn program => fn (names, selects) =>
haftmann@39661
   377
    present selects (serializer naming program names)
haftmann@39484
   378
  end;
haftmann@38918
   379
haftmann@38918
   380
fun check_code_for thy target strict args naming program names_cs =
haftmann@37824
   381
  let
haftmann@38933
   382
    val module_name = "Code";
haftmann@37824
   383
    val { env_var, make_destination, make_command } =
haftmann@37824
   384
      (#check o the_fundamental thy) target;
haftmann@37824
   385
    val env_param = getenv env_var;
haftmann@37824
   386
    fun ext_check env_param p =
haftmann@37824
   387
      let 
haftmann@37824
   388
        val destination = make_destination p;
haftmann@38929
   389
        val _ = export (SOME destination) (mount_serializer thy target (SOME 80)
haftmann@39661
   390
          module_name args naming program names_cs);
haftmann@38863
   391
        val cmd = make_command env_param module_name;
haftmann@37824
   392
      in if bash ("cd " ^ File.shell_path p ^ " && " ^ cmd ^ " 2>&1") <> 0
haftmann@37824
   393
        then error ("Code check failed for " ^ target ^ ": " ^ cmd)
haftmann@37824
   394
        else ()
haftmann@37824
   395
      end;
haftmann@37824
   396
  in if env_param = ""
haftmann@37825
   397
    then if strict
haftmann@37825
   398
      then error (env_var ^ " not set; cannot check code for " ^ target)
haftmann@37825
   399
      else warning (env_var ^ " not set; skipped checking code for " ^ target)
wenzelm@41307
   400
    else Isabelle_System.with_tmp_dir "Code_Test" (ext_check env_param)
haftmann@37824
   401
  end;
haftmann@37824
   402
haftmann@34021
   403
end; (* local *)
haftmann@34021
   404
haftmann@34021
   405
haftmann@34021
   406
(* code generation *)
haftmann@34021
   407
haftmann@34021
   408
fun transitivly_non_empty_funs thy naming program =
haftmann@34021
   409
  let
haftmann@34021
   410
    val cs = subtract (op =) (abort_allowed thy) (Code_Thingol.empty_funs program);
haftmann@34021
   411
    val names = map_filter (Code_Thingol.lookup_const naming) cs;
haftmann@34021
   412
  in subtract (op =) (Graph.all_preds program names) (Graph.keys program) end;
haftmann@34021
   413
haftmann@34021
   414
fun read_const_exprs thy cs =
haftmann@34021
   415
  let
haftmann@34021
   416
    val (cs1, cs2) = Code_Thingol.read_const_exprs thy cs;
haftmann@36271
   417
    val (names2, (naming, program)) = Code_Thingol.consts_program thy true cs2;
haftmann@36271
   418
    val names3 = transitivly_non_empty_funs thy naming program;
haftmann@36271
   419
    val cs3 = map_filter (fn (c, name) =>
haftmann@36271
   420
      if member (op =) names3 name then SOME c else NONE) (cs2 ~~ names2);
haftmann@36271
   421
  in union (op =) cs3 cs1 end;
haftmann@34021
   422
haftmann@38918
   423
fun prep_destination "" = NONE
haftmann@38918
   424
  | prep_destination "-" = NONE
haftmann@38918
   425
  | prep_destination s = SOME (Path.explode s);
haftmann@38918
   426
haftmann@34021
   427
fun export_code thy cs seris =
haftmann@34021
   428
  let
haftmann@37824
   429
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   430
    val _ = map (fn (((target, module_name), some_path), args) =>
haftmann@38918
   431
      export_code_for thy some_path target NONE module_name args naming program names_cs) seris;
haftmann@34021
   432
  in () end;
haftmann@34021
   433
haftmann@38918
   434
fun export_code_cmd raw_cs seris thy = export_code thy (read_const_exprs thy raw_cs)
haftmann@38918
   435
  ((map o apfst o apsnd) prep_destination seris);
haftmann@38918
   436
haftmann@38929
   437
fun produce_code thy cs target some_width some_module_name args =
haftmann@38918
   438
  let
haftmann@38918
   439
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   440
  in produce_code_for thy target some_width some_module_name args naming program names_cs end;
haftmann@38929
   441
haftmann@38929
   442
fun present_code thy cs names_stmt target some_width some_module_name args =
haftmann@38929
   443
  let
haftmann@38929
   444
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38929
   445
  in present_code_for thy target some_width some_module_name args naming program (names_cs, names_stmt naming) end;
haftmann@34021
   446
haftmann@37824
   447
fun check_code thy cs seris =
haftmann@37824
   448
  let
haftmann@37824
   449
    val (names_cs, (naming, program)) = Code_Thingol.consts_program thy false cs;
haftmann@38918
   450
    val _ = map (fn ((target, strict), args) =>
haftmann@38918
   451
      check_code_for thy target strict args naming program names_cs) seris;
haftmann@37824
   452
  in () end;
haftmann@37824
   453
haftmann@37824
   454
fun check_code_cmd raw_cs seris thy = check_code thy (read_const_exprs thy raw_cs) seris;
haftmann@37824
   455
haftmann@39480
   456
local
haftmann@39480
   457
haftmann@39480
   458
val parse_const_terms = Scan.repeat1 Args.term
haftmann@39480
   459
  >> (fn ts => fn thy => map (Code.check_const thy) ts);
haftmann@39480
   460
haftmann@39480
   461
fun parse_names category parse internalize lookup =
haftmann@39480
   462
  Scan.lift (Args.parens (Args.$$$ category)) |-- Scan.repeat1 parse
haftmann@39480
   463
  >> (fn xs => fn thy => fn naming => map_filter (lookup naming o internalize thy) xs);
haftmann@39480
   464
  
haftmann@39480
   465
val parse_consts = parse_names "consts" Args.term
haftmann@39480
   466
  Code.check_const Code_Thingol.lookup_const ;
haftmann@39480
   467
haftmann@39480
   468
val parse_types = parse_names "types" (Scan.lift Args.name)
haftmann@39480
   469
  Sign.intern_type Code_Thingol.lookup_tyco;
haftmann@39480
   470
haftmann@39480
   471
val parse_classes = parse_names "classes" (Scan.lift Args.name)
haftmann@39480
   472
  Sign.intern_class Code_Thingol.lookup_class;
haftmann@39480
   473
haftmann@39480
   474
val parse_instances = parse_names "instances" (Scan.lift (Args.name --| Args.$$$ "::" -- Args.name))
haftmann@39480
   475
  (fn thy => fn (raw_tyco, raw_class) => (Sign.intern_class thy raw_class, Sign.intern_type thy raw_tyco))
haftmann@39480
   476
    Code_Thingol.lookup_instance;
haftmann@39480
   477
haftmann@39480
   478
in
haftmann@39480
   479
haftmann@39480
   480
val _ = Thy_Output.antiquotation "code_stmts"
haftmann@39480
   481
  (parse_const_terms -- Scan.repeat (parse_consts || parse_types || parse_classes || parse_instances)
haftmann@39480
   482
    -- Scan.lift (Args.parens (Args.name -- Scan.option Parse.int)))
haftmann@39480
   483
  (fn {context = ctxt, ...} => fn ((mk_cs, mk_stmtss), (target, some_width)) =>
haftmann@39480
   484
    let val thy = ProofContext.theory_of ctxt in
haftmann@39480
   485
      present_code thy (mk_cs thy)
haftmann@39480
   486
        (fn naming => maps (fn f => f thy naming) mk_stmtss)
haftmann@39480
   487
        target some_width "Example" []
haftmann@39480
   488
    end);
haftmann@39480
   489
haftmann@39480
   490
end;
haftmann@39480
   491
haftmann@34021
   492
haftmann@28054
   493
(** serializer configuration **)
haftmann@27000
   494
haftmann@27000
   495
(* data access *)
haftmann@24219
   496
haftmann@24992
   497
fun cert_class thy class =
haftmann@24992
   498
  let
haftmann@24992
   499
    val _ = AxClass.get_info thy class;
haftmann@24992
   500
  in class end;
haftmann@24992
   501
haftmann@27103
   502
fun read_class thy = cert_class thy o Sign.intern_class thy;
haftmann@24992
   503
haftmann@24992
   504
fun cert_tyco thy tyco =
haftmann@24992
   505
  let
haftmann@24992
   506
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
   507
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
   508
  in tyco end;
haftmann@24992
   509
haftmann@27103
   510
fun read_tyco thy = cert_tyco thy o Sign.intern_type thy;
haftmann@24219
   511
haftmann@34071
   512
fun cert_inst thy (class, tyco) =
haftmann@34071
   513
  (cert_class thy class, cert_tyco thy tyco);
haftmann@34071
   514
haftmann@34071
   515
fun read_inst thy (raw_tyco, raw_class) =
haftmann@34071
   516
  (read_class thy raw_class, read_tyco thy raw_tyco);
haftmann@34071
   517
haftmann@37844
   518
fun gen_add_syntax (mapp, upd, del) prep_x prep_syn target raw_x some_raw_syn thy =
haftmann@24219
   519
  let
haftmann@37840
   520
    val x = prep_x thy raw_x;
haftmann@37844
   521
    val change = case some_raw_syn
haftmann@37844
   522
     of SOME raw_syn => upd (x, prep_syn thy x raw_syn)
haftmann@37844
   523
      | NONE => del x;
haftmann@38925
   524
  in (map_symbol_syntax target o mapp) change thy end;
haftmann@24219
   525
haftmann@38923
   526
fun gen_add_class_syntax prep_class =
haftmann@37844
   527
  gen_add_syntax (apfst o apfst, Symtab.update, Symtab.delete_safe) prep_class ((K o K) I);
haftmann@34071
   528
haftmann@38923
   529
fun gen_add_instance_syntax prep_inst =
haftmann@37844
   530
  gen_add_syntax (apfst o apsnd, Symreltab.update, Symreltab.delete_safe) prep_inst ((K o K) I);
haftmann@24219
   531
haftmann@38923
   532
fun gen_add_tyco_syntax prep_tyco =
haftmann@37844
   533
  gen_add_syntax (apsnd o apfst, Symtab.update, Symtab.delete_safe) prep_tyco
haftmann@37844
   534
    (fn thy => fn tyco => fn syn => if fst syn <> Sign.arity_number thy tyco
haftmann@34071
   535
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@37844
   536
      else syn);
haftmann@34071
   537
haftmann@38923
   538
fun gen_add_const_syntax prep_const =
haftmann@37844
   539
  gen_add_syntax (apsnd o apsnd, Symtab.update, Symtab.delete_safe) prep_const
haftmann@37881
   540
    (fn thy => fn c => fn syn =>
haftmann@37881
   541
      if Code_Printer.requires_args syn > Code.args_number thy c
haftmann@24423
   542
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@37881
   543
      else syn);
haftmann@24219
   544
haftmann@39817
   545
fun add_reserved target sym thy =
haftmann@24219
   546
  let
haftmann@39817
   547
    val (_, data) = collapse_hierarchy thy target;
haftmann@39817
   548
    val _ = if member (op =) (the_reserved data) sym
haftmann@24219
   549
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@39817
   550
      else ();
haftmann@39817
   551
  in
haftmann@39817
   552
    thy
haftmann@39817
   553
    |> map_reserved target (insert (op =) sym)
haftmann@39817
   554
  end;
haftmann@24992
   555
haftmann@28926
   556
fun gen_add_include read_const target args thy =
haftmann@24992
   557
  let
haftmann@28926
   558
    fun add (name, SOME (content, raw_cs)) incls =
haftmann@24992
   559
          let
haftmann@24992
   560
            val _ = if Symtab.defined incls name
haftmann@24992
   561
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
   562
              else ();
haftmann@28926
   563
            val cs = map (read_const thy) raw_cs;
haftmann@34152
   564
          in Symtab.update (name, (Code_Printer.str content, cs)) incls end
haftmann@28926
   565
      | add (name, NONE) incls = Symtab.delete name incls;
haftmann@28926
   566
  in map_includes target (add args) thy end;
haftmann@28926
   567
haftmann@33969
   568
val add_include = gen_add_include (K I);
haftmann@31156
   569
val add_include_cmd = gen_add_include Code.read_const;
haftmann@24219
   570
haftmann@38933
   571
fun add_module_alias target (thyname, "") =
haftmann@38933
   572
      map_module_alias target (Symtab.delete thyname)
haftmann@38933
   573
  | add_module_alias target (thyname, modlname) =
haftmann@38933
   574
      let
haftmann@38933
   575
        val xs = Long_Name.explode modlname;
haftmann@38933
   576
        val xs' = map (Name.desymbolize true) xs;
haftmann@38933
   577
      in if xs' = xs
haftmann@38933
   578
        then map_module_alias target (Symtab.update (thyname, modlname))
haftmann@38933
   579
        else error ("Invalid module name: " ^ quote modlname ^ "\n"
haftmann@38933
   580
          ^ "perhaps try " ^ quote (Long_Name.implode xs'))
haftmann@38933
   581
      end;
haftmann@24219
   582
haftmann@28663
   583
fun gen_allow_abort prep_const raw_c thy =
haftmann@24841
   584
  let
haftmann@28663
   585
    val c = prep_const thy raw_c;
haftmann@34248
   586
  in thy |> (Targets.map o apfst o apsnd) (insert (op =) c) end;
haftmann@24841
   587
haftmann@27000
   588
haftmann@27103
   589
(* concrete syntax *)
haftmann@27000
   590
haftmann@34021
   591
local
haftmann@34021
   592
haftmann@34152
   593
fun zip_list (x::xs) f g =
haftmann@34152
   594
  f
haftmann@37881
   595
  :|-- (fn y =>
haftmann@34152
   596
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@37881
   597
    :|-- (fn xys => pair ((x, y) :: xys)));
haftmann@34152
   598
haftmann@37881
   599
fun process_multi_syntax parse_thing parse_syntax change =
haftmann@37881
   600
  (Parse.and_list1 parse_thing
haftmann@37881
   601
  :|-- (fn things => Scan.repeat1 (Parse.$$$ "(" |-- Parse.name --
haftmann@37881
   602
        (zip_list things parse_syntax (Parse.$$$ "and")) --| Parse.$$$ ")")))
haftmann@37881
   603
  >> (Toplevel.theory oo fold)
haftmann@37881
   604
    (fn (target, syns) => fold (fn (raw_x, syn) => change target raw_x syn) syns);
haftmann@24219
   605
haftmann@24219
   606
in
haftmann@24219
   607
haftmann@38923
   608
val add_class_syntax = gen_add_class_syntax cert_class;
haftmann@38923
   609
val add_instance_syntax = gen_add_instance_syntax cert_inst;
haftmann@38923
   610
val add_tyco_syntax = gen_add_tyco_syntax cert_tyco;
haftmann@38923
   611
val add_const_syntax = gen_add_const_syntax (K I);
haftmann@27103
   612
val allow_abort = gen_allow_abort (K I);
haftmann@28054
   613
val add_reserved = add_reserved;
haftmann@33969
   614
val add_include = add_include;
haftmann@24219
   615
haftmann@38923
   616
val add_class_syntax_cmd = gen_add_class_syntax read_class;
haftmann@38923
   617
val add_instance_syntax_cmd = gen_add_instance_syntax read_inst;
haftmann@38923
   618
val add_tyco_syntax_cmd = gen_add_tyco_syntax read_tyco;
haftmann@38923
   619
val add_const_syntax_cmd = gen_add_const_syntax Code.read_const;
haftmann@31156
   620
val allow_abort_cmd = gen_allow_abort Code.read_const;
haftmann@24219
   621
haftmann@28054
   622
fun parse_args f args =
wenzelm@36959
   623
  case Scan.read Token.stopper f args
haftmann@28054
   624
   of SOME x => x
haftmann@28054
   625
    | NONE => error "Bad serializer arguments";
haftmann@28054
   626
haftmann@28054
   627
haftmann@27304
   628
(** Isar setup **)
haftmann@27103
   629
haftmann@37824
   630
val (inK, module_nameK, fileK, checkingK) = ("in", "module_name", "file", "checking");
haftmann@37824
   631
haftmann@37824
   632
val code_expr_argsP = Scan.optional (Parse.$$$ "(" |-- Args.parse --| Parse.$$$ ")") [];
haftmann@27103
   633
haftmann@30494
   634
val code_exprP =
haftmann@37824
   635
  Scan.repeat1 Parse.term_group :|-- (fn raw_cs =>
haftmann@37825
   636
    ((Parse.$$$ checkingK |-- Scan.repeat (Parse.name
haftmann@37825
   637
      -- ((Parse.$$$ "?" |-- Scan.succeed false) || Scan.succeed true) -- code_expr_argsP))
haftmann@37824
   638
      >> (fn seris => check_code_cmd raw_cs seris)
haftmann@37824
   639
    || Scan.repeat (Parse.$$$ inK |-- Parse.name
haftmann@38933
   640
       -- Scan.optional (Parse.$$$ module_nameK |-- Parse.name) ""
haftmann@37824
   641
       -- Scan.optional (Parse.$$$ fileK |-- Parse.name) ""
haftmann@37824
   642
       -- code_expr_argsP) >> (fn seris => export_code_cmd raw_cs seris)));
haftmann@27103
   643
haftmann@37824
   644
val _ = List.app Keyword.keyword [inK, module_nameK, fileK, checkingK];
wenzelm@24867
   645
wenzelm@24867
   646
val _ =
wenzelm@36960
   647
  Outer_Syntax.command "code_class" "define code syntax for class" Keyword.thy_decl (
haftmann@37881
   648
    process_multi_syntax Parse.xname (Scan.option Parse.string)
haftmann@38923
   649
    add_class_syntax_cmd);
haftmann@24219
   650
wenzelm@24867
   651
val _ =
wenzelm@36960
   652
  Outer_Syntax.command "code_instance" "define code syntax for instance" Keyword.thy_decl (
haftmann@37881
   653
    process_multi_syntax (Parse.xname --| Parse.$$$ "::" -- Parse.xname)
wenzelm@36960
   654
      (Scan.option (Parse.minus >> K ()))
haftmann@38923
   655
    add_instance_syntax_cmd);
haftmann@24219
   656
wenzelm@24867
   657
val _ =
wenzelm@36960
   658
  Outer_Syntax.command "code_type" "define code syntax for type constructor" Keyword.thy_decl (
haftmann@37881
   659
    process_multi_syntax Parse.xname Code_Printer.parse_tyco_syntax
haftmann@38923
   660
    add_tyco_syntax_cmd);
haftmann@24219
   661
wenzelm@24867
   662
val _ =
wenzelm@36960
   663
  Outer_Syntax.command "code_const" "define code syntax for constant" Keyword.thy_decl (
haftmann@37881
   664
    process_multi_syntax Parse.term_group Code_Printer.parse_const_syntax
haftmann@38923
   665
    add_const_syntax_cmd);
haftmann@24219
   666
wenzelm@24867
   667
val _ =
wenzelm@36960
   668
  Outer_Syntax.command "code_reserved" "declare words as reserved for target language"
wenzelm@36960
   669
    Keyword.thy_decl (
wenzelm@36960
   670
    Parse.name -- Scan.repeat1 Parse.name
haftmann@24219
   671
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
   672
  );
haftmann@24219
   673
wenzelm@24867
   674
val _ =
wenzelm@36960
   675
  Outer_Syntax.command "code_include" "declare piece of code to be included in generated code"
wenzelm@36960
   676
    Keyword.thy_decl (
wenzelm@36960
   677
    Parse.name -- Parse.name -- (Parse.text :|-- (fn "-" => Scan.succeed NONE
wenzelm@36960
   678
      | s => Scan.optional (Parse.$$$ "attach" |-- Scan.repeat1 Parse.term) [] >> pair s >> SOME))
haftmann@28926
   679
    >> (fn ((target, name), content_consts) =>
haftmann@28926
   680
        (Toplevel.theory o add_include_cmd target) (name, content_consts))
haftmann@24992
   681
  );
haftmann@24992
   682
haftmann@24992
   683
val _ =
wenzelm@36960
   684
  Outer_Syntax.command "code_modulename" "alias module to other name" Keyword.thy_decl (
wenzelm@36960
   685
    Parse.name -- Scan.repeat1 (Parse.name -- Parse.name)
haftmann@27103
   686
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_module_alias target)) modlnames)
haftmann@27103
   687
  );
haftmann@27103
   688
haftmann@27103
   689
val _ =
wenzelm@36960
   690
  Outer_Syntax.command "code_abort" "permit constant to be implemented as program abort"
wenzelm@36960
   691
    Keyword.thy_decl (
wenzelm@36960
   692
    Scan.repeat1 Parse.term_group >> (Toplevel.theory o fold allow_abort_cmd)
haftmann@24841
   693
  );
haftmann@24219
   694
wenzelm@24867
   695
val _ =
wenzelm@36960
   696
  Outer_Syntax.command "export_code" "generate executable code for constants"
wenzelm@36960
   697
    Keyword.diag (Parse.!!! code_exprP >> (fn f => Toplevel.keep (f o Toplevel.theory_of)));
haftmann@30494
   698
haftmann@24219
   699
end; (*local*)
haftmann@24219
   700
haftmann@39646
   701
haftmann@39646
   702
(** external entrance point -- for codegen tool **)
haftmann@39646
   703
haftmann@39750
   704
fun codegen_tool thyname cmd_expr =
haftmann@39646
   705
  let
haftmann@39646
   706
    val thy = Thy_Info.get_theory thyname;
haftmann@39646
   707
    val parse = Scan.read Token.stopper (Parse.!!! code_exprP) o
haftmann@39646
   708
      (filter Token.is_proper o Outer_Syntax.scan Position.none);
haftmann@39646
   709
  in case parse cmd_expr
haftmann@39646
   710
   of SOME f => (writeln "Now generating code..."; f thy)
haftmann@39646
   711
    | NONE => error ("Bad directive " ^ quote cmd_expr)
haftmann@39646
   712
  end;
haftmann@39646
   713
haftmann@24219
   714
end; (*struct*)