src/Tools/code/code_target.ML
author haftmann
Wed, 28 May 2008 12:06:49 +0200
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new serializer interface
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(*  Title:      Tools/code/code_target.ML
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    ID:         $Id$
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    Author:     Florian Haftmann, TU Muenchen
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Serializer from intermediate language ("Thin-gol")
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to target languages (like SML or Haskell).
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*)
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signature CODE_TARGET =
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sig
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  include BASIC_CODE_THINGOL;
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  val add_syntax_class: string -> class
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    -> (string * (string * string) list) option -> theory -> theory;
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  val add_syntax_inst: string -> string * class -> bool -> theory -> theory;
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  val add_syntax_tycoP: string -> string -> OuterParse.token list
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    -> (theory -> theory) * OuterParse.token list;
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  val add_syntax_constP: string -> string -> OuterParse.token list
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    -> (theory -> theory) * OuterParse.token list;
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  val add_undefined: string -> string -> string -> theory -> theory;
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  val add_pretty_list: string -> string -> string -> theory -> theory;
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  val add_pretty_list_string: string -> string -> string
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    -> string -> string list -> theory -> theory;
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  val add_pretty_char: string -> string -> string list -> theory -> theory
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  val add_pretty_numeral: string -> bool -> bool -> string -> string -> string
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    -> string -> string -> theory -> theory;
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  val add_pretty_message: string -> string -> string list -> string
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    -> string -> string -> theory -> theory;
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  val allow_exception: string -> theory -> theory;
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  type serialization;
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  type serializer;
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  val add_serializer: string * serializer -> theory -> theory;
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  val assert_serializer: theory -> string -> string;
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  val serialize: theory -> string -> bool -> string option -> Args.T list
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    -> CodeThingol.code -> string list option -> serialization;
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  val compile: serialization -> unit;
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  val file: Path.T -> serialization -> unit;
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  val string: serialization -> string;
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  val sml_of: theory -> CodeThingol.code -> string list -> string;
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  val eval: theory -> (string * (unit -> 'a) option ref)
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    -> CodeThingol.code -> CodeThingol.iterm * CodeThingol.itype -> string list -> 'a;
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  val code_width: int ref;
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  val setup: theory -> theory;
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end;
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structure CodeTarget : CODE_TARGET =
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struct
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open BasicCodeThingol;
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(** basics **)
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infixr 5 @@;
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infixr 5 @|;
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fun x @@ y = [x, y];
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fun xs @| y = xs @ [y];
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val str = PrintMode.setmp [] Pretty.str;
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val concat = Pretty.block o Pretty.breaks;
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val brackets = Pretty.enclose "(" ")" o Pretty.breaks;
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fun semicolon ps = Pretty.block [concat ps, str ";"];
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fun enum_default default sep opn cls [] = str default
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  | enum_default default sep opn cls xs = Pretty.enum sep opn cls xs;
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val code_width = ref 80;
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fun code_source p = Pretty.setmp_margin (!code_width) Pretty.string_of p ^ "\n";
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(** generic syntax **)
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datatype lrx = L | R | X;
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datatype fixity =
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    BR
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  | NOBR
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  | INFX of (int * lrx);
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val APP = INFX (~1, L);
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fun fixity_lrx L L = false
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  | fixity_lrx R R = false
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  | fixity_lrx _ _ = true;
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fun fixity NOBR NOBR = false
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  | fixity BR NOBR = false
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  | fixity NOBR BR = false
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  | fixity (INFX (pr, lr)) (INFX (pr_ctxt, lr_ctxt)) =
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      pr < pr_ctxt
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      orelse pr = pr_ctxt
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        andalso fixity_lrx lr lr_ctxt
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      orelse pr_ctxt = ~1
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  | fixity _ (INFX _) = false
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  | fixity (INFX _) NOBR = false
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  | fixity _ _ = true;
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fun gen_brackify _ [p] = p
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  | gen_brackify true (ps as _::_) = Pretty.enclose "(" ")" ps
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  | gen_brackify false (ps as _::_) = Pretty.block ps;
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fun brackify fxy_ctxt ps =
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  gen_brackify (fixity BR fxy_ctxt) (Pretty.breaks ps);
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fun brackify_infix infx fxy_ctxt ps =
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  gen_brackify (fixity (INFX infx) fxy_ctxt) (Pretty.breaks ps);
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type class_syntax = string * (string -> string option);
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type typ_syntax = int * ((fixity -> itype -> Pretty.T)
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  -> fixity -> itype list -> Pretty.T);
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type term_syntax = int * ((CodeName.var_ctxt -> fixity -> iterm -> Pretty.T)
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  -> CodeName.var_ctxt -> fixity -> (iterm * itype) list -> Pretty.T);
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(** theory data **)
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val target_diag = "diag";
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val target_SML = "SML";
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val target_OCaml = "OCaml";
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val target_Haskell = "Haskell";
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datatype syntax_expr = SyntaxExpr of {
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  class: (string * (string -> string option)) Symtab.table,
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  inst: unit Symtab.table,
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  tyco: typ_syntax Symtab.table,
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  const: term_syntax Symtab.table
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};
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fun mk_syntax_expr ((class, inst), (tyco, const)) =
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  SyntaxExpr { class = class, inst = inst, tyco = tyco, const = const };
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fun map_syntax_expr f (SyntaxExpr { class, inst, tyco, const }) =
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  mk_syntax_expr (f ((class, inst), (tyco, const)));
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fun merge_syntax_expr (SyntaxExpr { class = class1, inst = inst1, tyco = tyco1, const = const1 },
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    SyntaxExpr { class = class2, inst = inst2, tyco = tyco2, const = const2 }) =
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  mk_syntax_expr (
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    (Symtab.join (K snd) (class1, class2),
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       Symtab.join (K snd) (inst1, inst2)),
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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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datatype serialization_dest = Compile | File of Path.T | String;
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type serialization = serialization_dest -> string option;
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fun compile f = (f Compile; ());
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fun file p f = (f (File p); ());
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fun string f = the (f String);
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type serializer =
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  string option
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  -> Args.T list
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  -> (string -> string)
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  -> string list
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  -> (string * Pretty.T) list
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  -> (string -> string option)
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  -> (string -> class_syntax option)
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  -> (string -> typ_syntax option)
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  -> (string -> term_syntax option)
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  -> CodeThingol.code -> string list -> serialization;
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datatype target = Target of {
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  serial: serial,
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  serializer: serializer,
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  reserved: string list,
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  includes: Pretty.T Symtab.table,
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  syntax_expr: syntax_expr,
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  module_alias: string Symtab.table
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};
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fun mk_target ((serial, serializer), ((reserved, includes), (syntax_expr, module_alias))) =
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  Target { serial = serial, serializer = serializer, reserved = reserved, 
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    includes = includes, syntax_expr = syntax_expr, module_alias = module_alias };
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fun map_target f ( Target { serial, serializer, reserved, includes, syntax_expr, module_alias } ) =
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  mk_target (f ((serial, serializer), ((reserved, includes), (syntax_expr, module_alias))));
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fun merge_target target (Target { serial = serial1, serializer = serializer,
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  reserved = reserved1, includes = includes1,
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  syntax_expr = syntax_expr1, module_alias = module_alias1 },
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    Target { serial = serial2, serializer = _,
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      reserved = reserved2, includes = includes2,
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      syntax_expr = syntax_expr2, module_alias = module_alias2 }) =
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  if serial1 = serial2 then
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    mk_target ((serial1, serializer),
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      ((merge (op =) (reserved1, reserved2), Symtab.merge (op =) (includes1, includes2)),
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        (merge_syntax_expr (syntax_expr1, syntax_expr2),
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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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structure CodeTargetData = TheoryDataFun
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(
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  type T = target Symtab.table * string list;
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  val empty = (Symtab.empty, []);
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  val copy = I;
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  val extend = I;
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  fun merge _ ((target1, exc1) : T, (target2, exc2)) =
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    (Symtab.join merge_target (target1, target2), Library.merge (op =) (exc1, exc2));
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);
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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_syntax_expr (Target { syntax_expr = SyntaxExpr x, ... }) = x;
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fun the_module_alias (Target { module_alias , ... }) = module_alias;
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fun assert_serializer thy target =
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  case Symtab.lookup (fst (CodeTargetData.get thy)) target
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   of SOME data => target
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    | NONE => error ("Unknown code target language: " ^ quote target);
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fun add_serializer (target, seri) thy =
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  let
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    val _ = case Symtab.lookup (fst (CodeTargetData.get thy)) target
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     of SOME _ => warning ("overwriting existing serializer " ^ quote target)
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      | NONE => ();
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  in
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    thy
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    |> (CodeTargetData.map o apfst oo Symtab.map_default)
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          (target, mk_target ((serial (), seri), (([], Symtab.empty),
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            (mk_syntax_expr ((Symtab.empty, Symtab.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 map_seri_data target f thy =
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  let
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    val _ = assert_serializer thy target;
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  in
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    thy
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    |> (CodeTargetData.map o apfst o Symtab.map_entry target o map_target) f
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  end;
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fun map_adaptions target =
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  map_seri_data target o apsnd o apfst;
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fun map_syntax_exprs target =
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  map_seri_data target o apsnd o apsnd o apfst o map_syntax_expr;
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fun map_module_alias target =
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  map_seri_data target o apsnd o apsnd o apsnd;
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fun get_serializer get_seri thy target permissive =
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  let
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    val (seris, exc) = CodeTargetData.get thy;
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    val data = case Symtab.lookup seris 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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    val seri = get_seri data;
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    val reserved = the_reserved data;
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    val includes = Symtab.dest (the_includes data);
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    val alias = the_module_alias data;
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    val { class, inst, tyco, const } = the_syntax_expr data;
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    val project = if target = target_diag then K I
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      else CodeThingol.project_code permissive
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        (Symtab.keys class @ Symtab.keys inst @ Symtab.keys tyco @ Symtab.keys const);
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    fun check_empty_funs code = case filter_out (member (op =) exc)
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        (CodeThingol.empty_funs code)
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     of [] => code
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      | names => error ("No defining equations for "
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          ^ commas (map (CodeName.labelled_name thy) names));
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  in fn module => fn args => fn code => fn cs =>
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    seri module args (CodeName.labelled_name thy) reserved includes
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      (Symtab.lookup alias) (Symtab.lookup class)
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      (Symtab.lookup tyco) (Symtab.lookup const)
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        ((check_empty_funs o project cs) code) (these cs)
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  end;
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val serialize = get_serializer the_serializer;
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fun parse_args f args =
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  case Scan.read Args.stopper f args
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   of SOME x => x
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    | NONE => error "Bad serializer arguments";
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(** generic output combinators **)
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(* applications and bindings *)
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fun gen_pr_app pr_app' pr_term const_syntax labelled_name is_cons
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      lhs vars fxy (app as ((c, (_, tys)), ts)) =
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  case const_syntax c
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   of NONE => if lhs andalso not (is_cons c) then
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          error ("non-constructor on left hand side of equation: " ^ labelled_name c)
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        else brackify fxy (pr_app' lhs vars app)
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    | SOME (i, pr) =>
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        let
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          val k = if i < 0 then length tys else i;
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          fun pr' fxy ts = pr (pr_term lhs) vars fxy (ts ~~ curry Library.take k tys);
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        in if k = length ts
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          then pr' fxy ts
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        else if k < length ts
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          then case chop k ts of (ts1, ts2) =>
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            brackify fxy (pr' APP ts1 :: map (pr_term lhs vars BR) ts2)
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          else pr_term lhs vars fxy (CodeThingol.eta_expand app k)
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        end;
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fun gen_pr_bind pr_bind' pr_term fxy ((v, pat), ty) vars =
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  let
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    val vs = case pat
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     of SOME pat => CodeThingol.fold_varnames (insert (op =)) pat []
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      | NONE => [];
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    val vars' = CodeName.intro_vars (the_list v) vars;
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    val vars'' = CodeName.intro_vars vs vars';
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    val v' = Option.map (CodeName.lookup_var vars') v;
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    val pat' = Option.map (pr_term true vars'' fxy) pat;
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  in (pr_bind' ((v', pat'), ty), vars'') end;
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(* list, char, string, numeral and monad abstract syntax transformations *)
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fun implode_list c_nil c_cons t =
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  let
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    fun dest_cons (IConst (c, _) `$ t1 `$ t2) =
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          if c = c_cons
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          then SOME (t1, t2)
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          else NONE
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      | dest_cons _ = NONE;
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    val (ts, t') = CodeThingol.unfoldr dest_cons t;
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  in case t'
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   of IConst (c, _) => if c = c_nil then SOME ts else NONE
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    | _ => NONE
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  end;
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fun decode_char c_nibbles (IConst (c1, _), IConst (c2, _)) =
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      let
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        fun idx c = find_index (curry (op =) c) c_nibbles;
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        fun decode ~1 _ = NONE
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          | decode _ ~1 = NONE
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          | decode n m = SOME (chr (n * 16 + m));
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      in decode (idx c1) (idx c2) end
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  | decode_char _ _ = NONE;
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fun implode_string c_char c_nibbles mk_char mk_string ts =
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  let
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    fun implode_char (IConst (c, _) `$ t1 `$ t2) =
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          if c = c_char then decode_char c_nibbles (t1, t2) else NONE
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      | implode_char _ = NONE;
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    val ts' = map implode_char ts;
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  in if forall is_some ts'
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    then (SOME o str o mk_string o implode o map_filter I) ts'
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    else NONE
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  end;
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fun implode_numeral negative c_pls c_min c_bit0 c_bit1 =
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  let
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    fun dest_bit (IConst (c, _)) = if c = c_bit0 then 0
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          else if c = c_bit1 then 1
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          else error "Illegal numeral expression: illegal bit"
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      | dest_bit _ = error "Illegal numeral expression: illegal bit";
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    fun dest_numeral (IConst (c, _)) = if c = c_pls then SOME 0
25936
f43bac9def6e non-negative numerals
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parents: 25771
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   351
          else if c = c_min then
f43bac9def6e non-negative numerals
haftmann
parents: 25771
diff changeset
   352
            if negative then SOME ~1 else NONE
25969
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parents: 25936
diff changeset
   353
          else error "Illegal numeral expression: illegal leading digit"
26086
3c243098b64a New simpler representation of numerals, using Bit0 and Bit1 instead of BIT, B0, and B1
huffman
parents: 26010
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   354
      | dest_numeral (t1 `$ t2) =
3c243098b64a New simpler representation of numerals, using Bit0 and Bit1 instead of BIT, B0, and B1
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parents: 26010
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   355
          let val (n, b) = (dest_numeral t2, dest_bit t1)
3c243098b64a New simpler representation of numerals, using Bit0 and Bit1 instead of BIT, B0, and B1
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parents: 26010
diff changeset
   356
          in case n of SOME n => SOME (2 * n + b) | NONE => NONE end
25969
haftmann
parents: 25936
diff changeset
   357
      | dest_numeral _ = error "Illegal numeral expression: illegal constant";
25936
f43bac9def6e non-negative numerals
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parents: 25771
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   358
  in dest_numeral #> the_default 0 end;
24219
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parents:
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   359
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d33713284207 code_include replaces code_moduleprolog
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   360
fun implode_monad c_bind t =
24219
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parents:
diff changeset
   361
  let
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parents:
diff changeset
   362
    fun dest_monad (IConst (c, _) `$ t1 `$ t2) =
24992
d33713284207 code_include replaces code_moduleprolog
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parents: 24928
diff changeset
   363
          if c = c_bind
24219
e558fe311376 new structure for code generator modules
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parents:
diff changeset
   364
            then case CodeThingol.split_abs t2
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   365
             of SOME (((v, pat), ty), t') =>
d33713284207 code_include replaces code_moduleprolog
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parents: 24928
diff changeset
   366
                  SOME ((SOME (((SOME v, pat), ty), true), t1), t')
24219
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parents:
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   367
              | NONE => NONE
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haftmann
parents:
diff changeset
   368
            else NONE
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   369
      | dest_monad t = case CodeThingol.split_let t
24992
d33713284207 code_include replaces code_moduleprolog
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parents: 24928
diff changeset
   370
           of SOME (((pat, ty), tbind), t') =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   371
                SOME ((SOME (((NONE, SOME pat), ty), false), tbind), t')
24219
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parents:
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   372
            | NONE => NONE;
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haftmann
parents:
diff changeset
   373
  in CodeThingol.unfoldr dest_monad t end;
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haftmann
parents:
diff changeset
   374
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haftmann
parents:
diff changeset
   375
27000
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
   376
(* name auxiliary *)
24219
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parents:
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   377
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parents:
diff changeset
   378
val first_upper = implode o nth_map 0 Symbol.to_ascii_upper o explode;
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haftmann
parents:
diff changeset
   379
val first_lower = implode o nth_map 0 Symbol.to_ascii_lower o explode;
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haftmann
parents:
diff changeset
   380
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haftmann
parents:
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   381
val dest_name =
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haftmann
parents:
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   382
  apfst NameSpace.implode o split_last o fst o split_last o NameSpace.explode;
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haftmann
parents:
diff changeset
   383
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haftmann
parents:
diff changeset
   384
fun mk_modl_name_tab init_names prefix module_alias code =
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haftmann
parents:
diff changeset
   385
  let
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haftmann
parents:
diff changeset
   386
    fun nsp_map f = NameSpace.explode #> map f #> NameSpace.implode;
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haftmann
parents:
diff changeset
   387
    fun mk_alias name =
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haftmann
parents:
diff changeset
   388
     case module_alias name
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haftmann
parents:
diff changeset
   389
      of SOME name' => name'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   390
       | NONE => nsp_map (fn name => (the_single o fst)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   391
            (Name.variants [name] init_names)) name;
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haftmann
parents:
diff changeset
   392
    fun mk_prefix name =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   393
      case prefix
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haftmann
parents:
diff changeset
   394
       of SOME prefix => NameSpace.append prefix name
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haftmann
parents:
diff changeset
   395
        | NONE => name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   396
    val tab =
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haftmann
parents:
diff changeset
   397
      Symtab.empty
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haftmann
parents:
diff changeset
   398
      |> Graph.fold ((fn name => Symtab.default (name, (mk_alias #> mk_prefix) name))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   399
           o fst o dest_name o fst)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   400
             code
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   401
  in fn name => (the o Symtab.lookup tab) name end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   402
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   403
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   404
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   405
(** SML/OCaml serializer **)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   406
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   407
datatype ml_def =
24381
560e8ecdf633 improved evaluation interface
haftmann
parents: 24294
diff changeset
   408
    MLFuns of (string * (typscheme * (iterm list * iterm) list)) list
24219
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haftmann
parents:
diff changeset
   409
  | MLDatas of (string * ((vname * sort) list * (string * itype list) list)) list
24811
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
   410
  | MLClass of string * (vname * ((class * string) list * (string * itype) list))
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   411
  | MLClassinst of string * ((class * (string * (vname * sort) list))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   412
        * ((class * (string * (string * dict list list))) list
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   413
      * (string * const) list));
24219
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haftmann
parents:
diff changeset
   414
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   415
fun pr_sml tyco_syntax const_syntax labelled_name init_syms deresolv is_cons ml_def =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   416
  let
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   417
    val pr_label_classrel = translate_string (fn "." => "__" | c => c)
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   418
      o NameSpace.qualifier;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   419
    val pr_label_classparam = NameSpace.base o NameSpace.qualifier;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   420
    fun pr_dicts fxy ds =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   421
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   422
        fun pr_dictvar (v, (_, 1)) = first_upper v ^ "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   423
          | pr_dictvar (v, (i, _)) = first_upper v ^ string_of_int (i+1) ^ "_";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   424
        fun pr_proj [] p =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   425
              p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   426
          | pr_proj [p'] p =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   427
              brackets [p', p]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   428
          | pr_proj (ps as _ :: _) p =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   429
              brackets [Pretty.enum " o" "(" ")" ps, p];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   430
        fun pr_dictc fxy (DictConst (inst, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   431
              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   432
          | pr_dictc fxy (DictVar (classrels, v)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   433
              pr_proj (map (str o deresolv) classrels) ((str o pr_dictvar) v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   434
      in case ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   435
       of [] => str "()"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   436
        | [d] => pr_dictc fxy d
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   437
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   438
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   439
    fun pr_tyvars vs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   440
      vs
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   441
      |> map (fn (v, sort) => map_index (fn (i, _) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   442
           DictVar ([], (v, (i, length sort)))) sort)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   443
      |> map (pr_dicts BR);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   444
    fun pr_tycoexpr fxy (tyco, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   445
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   446
        val tyco' = (str o deresolv) tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   447
      in case map (pr_typ BR) tys
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   448
       of [] => tyco'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   449
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   450
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   451
      end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   452
    and pr_typ fxy (tyco `%% tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   453
          (case tyco_syntax tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   454
           of NONE => pr_tycoexpr fxy (tyco, tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   455
            | SOME (i, pr) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   456
                if not (i = length tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   457
                then error ("Number of argument mismatch in customary serialization: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   458
                  ^ (string_of_int o length) tys ^ " given, "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   459
                  ^ string_of_int i ^ " expected")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   460
                else pr pr_typ fxy tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   461
      | pr_typ fxy (ITyVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   462
          str ("'" ^ v);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   463
    fun pr_term lhs vars fxy (IConst c) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   464
          pr_app lhs vars fxy (c, [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   465
      | pr_term lhs vars fxy (IVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   466
          str (CodeName.lookup_var vars v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   467
      | pr_term lhs vars fxy (t as t1 `$ t2) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   468
          (case CodeThingol.unfold_const_app t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   469
           of SOME c_ts => pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   470
            | NONE =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   471
                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   472
      | pr_term lhs vars fxy (t as _ `|-> _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   473
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   474
            val (binds, t') = CodeThingol.unfold_abs t;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   475
            fun pr ((v, pat), ty) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   476
              pr_bind NOBR ((SOME v, pat), ty)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   477
              #>> (fn p => concat [str "fn", p, str "=>"]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   478
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   479
          in brackets (ps @ [pr_term lhs vars' NOBR t']) end
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   480
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) =
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   481
          (case CodeThingol.unfold_const_app t0
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   482
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   483
                then pr_case vars fxy cases
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   484
                else pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   485
            | NONE => pr_case vars fxy cases)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   486
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   487
      if is_cons c then let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   488
        val k = length tys
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   489
      in if k < 2 then 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   490
        (str o deresolv) c :: map (pr_term lhs vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   491
      else if k = length ts then
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   492
        [(str o deresolv) c, Pretty.enum "," "(" ")" (map (pr_term lhs vars NOBR) ts)]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   493
      else [pr_term lhs vars BR (CodeThingol.eta_expand app k)] end else
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   494
        (str o deresolv) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   495
          :: (map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   496
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   497
      labelled_name is_cons lhs vars
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   498
    and pr_bind' ((NONE, NONE), _) = str "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   499
      | pr_bind' ((SOME v, NONE), _) = str v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   500
      | pr_bind' ((NONE, SOME p), _) = p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   501
      | pr_bind' ((SOME v, SOME p), _) = concat [str v, str "as", p]
24284
f5afd33f5d02 fixed OCaml bug
haftmann
parents: 24251
diff changeset
   502
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   503
    and pr_case vars fxy (cases as ((_, [_]), _)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   504
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   505
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   506
            fun pr ((pat, ty), t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   507
              vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   508
              |> pr_bind NOBR ((NONE, SOME pat), ty)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   509
              |>> (fn p => semicolon [str "val", p, str "=", pr_term false vars NOBR t])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   510
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   511
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   512
            Pretty.chunks [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   513
              [str ("let"), Pretty.fbrk, Pretty.chunks ps] |> Pretty.block,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   514
              [str ("in"), Pretty.fbrk, pr_term false vars' NOBR t'] |> Pretty.block,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   515
              str ("end")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   516
            ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   517
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   518
      | pr_case vars fxy (((td, ty), b::bs), _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   519
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   520
            fun pr delim (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   521
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   522
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   523
              in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   524
                concat [str delim, p, str "=>", pr_term false vars' NOBR t]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   525
              end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   526
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   527
            (Pretty.enclose "(" ")" o single o brackify fxy) (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   528
              str "case"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   529
              :: pr_term false vars NOBR td
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   530
              :: pr "of" b
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   531
              :: map (pr "|") bs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   532
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   533
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   534
      | pr_case vars fxy ((_, []), _) = str "raise Fail \"empty case\""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   535
    fun pr_def (MLFuns (funns as (funn :: funns'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   536
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   537
            val definer =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   538
              let
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   539
                fun no_args _ ((ts, _) :: _) = length ts
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   540
                  | no_args ty [] = (length o fst o CodeThingol.unfold_fun) ty;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   541
                fun mk 0 [] = "val"
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   542
                  | mk 0 vs = if (null o filter_out (null o snd)) vs
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   543
                      then "val" else "fun"
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   544
                  | mk k _ = "fun";
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   545
                fun chk (_, ((vs, ty), eqs)) NONE = SOME (mk (no_args ty eqs) vs)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   546
                  | chk (_, ((vs, ty), eqs)) (SOME defi) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   547
                      if defi = mk (no_args ty eqs) vs then SOME defi
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   548
                      else error ("Mixing simultaneous vals and funs not implemented: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   549
                        ^ commas (map (labelled_name o fst) funns));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   550
              in the (fold chk funns NONE) end;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   551
            fun pr_funn definer (name, ((raw_vs, ty), [])) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   552
                  let
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   553
                    val vs = filter_out (null o snd) raw_vs;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   554
                    val n = length vs + (length o fst o CodeThingol.unfold_fun) ty;
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   555
                    val exc_str =
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   556
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   557
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   558
                    concat (
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   559
                      str definer
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   560
                      :: (str o deresolv) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   561
                      :: map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   562
                      @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   563
                      :: str "raise"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   564
                      :: str "(Fail"
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   565
                      :: str exc_str
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   566
                      @@ str ")"
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   567
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   568
                  end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   569
              | pr_funn definer (name, ((raw_vs, ty), eqs as eq :: eqs')) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   570
                  let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   571
                    val vs = filter_out (null o snd) raw_vs;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   572
                    val shift = if null eqs' then I else
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   573
                      map (Pretty.block o single o Pretty.block o single);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   574
                    fun pr_eq definer (ts, t) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   575
                      let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   576
                        val consts = map_filter
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   577
                          (fn c => if (is_some o const_syntax) c
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   578
                            then NONE else (SOME o NameSpace.base o deresolv) c)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   579
                            ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   580
                        val vars = init_syms
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   581
                          |> CodeName.intro_vars consts
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   582
                          |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   583
                               (insert (op =)) ts []);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   584
                      in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   585
                        concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   586
                          [str definer, (str o deresolv) name]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   587
                          @ (if null ts andalso null vs
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   588
                             then [str ":", pr_typ NOBR ty]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   589
                             else
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   590
                               pr_tyvars vs
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   591
                               @ map (pr_term true vars BR) ts)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   592
                       @ [str "=", pr_term false vars NOBR t]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   593
                        )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   594
                      end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   595
                  in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   596
                    (Pretty.block o Pretty.fbreaks o shift) (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   597
                      pr_eq definer eq
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   598
                      :: map (pr_eq "|") eqs'
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   599
                    )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   600
                  end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   601
            val (ps, p) = split_last (pr_funn definer funn :: map (pr_funn "and") funns');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   602
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   603
     | pr_def (MLDatas (datas as (data :: datas'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   604
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   605
            fun pr_co (co, []) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   606
                  str (deresolv co)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   607
              | pr_co (co, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   608
                  concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   609
                    str (deresolv co),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   610
                    str "of",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   611
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   612
                  ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   613
            fun pr_data definer (tyco, (vs, [])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   614
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   615
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   616
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   617
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   618
                    @@ str "EMPTY__" 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   619
                  )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   620
              | pr_data definer (tyco, (vs, cos)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   621
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   622
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   623
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   624
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   625
                    :: separate (str "|") (map pr_co cos)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   626
                  );
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   627
            val (ps, p) = split_last
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   628
              (pr_data "datatype" data :: map (pr_data "and") datas');
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   629
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   630
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   631
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   632
            val w = first_upper v ^ "_";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   633
            fun pr_superclass_field (class, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   634
              (concat o map str) [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   635
                pr_label_classrel classrel, ":", "'" ^ v, deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   636
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   637
            fun pr_classparam_field (classparam, ty) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   638
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   639
                (str o pr_label_classparam) classparam, str ":", pr_typ NOBR ty
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   640
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   641
            fun pr_classparam_proj (classparam, _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   642
              semicolon [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   643
                str "fun",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   644
                (str o deresolv) classparam,
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   645
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   646
                str "=",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   647
                str ("#" ^ pr_label_classparam classparam),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   648
                str w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   649
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   650
            fun pr_superclass_proj (_, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   651
              semicolon [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   652
                str "fun",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   653
                (str o deresolv) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   654
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   655
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   656
                str ("#" ^ pr_label_classrel classrel),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   657
                str w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   658
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   659
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   660
            Pretty.chunks (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   661
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   662
                str ("type '" ^ v),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   663
                (str o deresolv) class,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   664
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   665
                Pretty.enum "," "{" "};" (
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   666
                  map pr_superclass_field superclasses @ map pr_classparam_field classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   667
                )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   668
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   669
              :: map pr_superclass_proj superclasses
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   670
              @ map pr_classparam_proj classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   671
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   672
          end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   673
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   674
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   675
            fun pr_superclass (_, (classrel, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   676
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   677
                (str o pr_label_classrel) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   678
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   679
                pr_dicts NOBR [DictConst dss]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   680
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   681
            fun pr_classparam (classparam, c_inst) =
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   682
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   683
                (str o pr_label_classparam) classparam,
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   684
                str "=",
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   685
                pr_app false init_syms NOBR (c_inst, [])
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   686
              ];
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   687
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   688
            semicolon ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   689
              str (if null arity then "val" else "fun"),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   690
              (str o deresolv) inst ] @
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   691
              pr_tyvars arity @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   692
              str "=",
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   693
              Pretty.enum "," "{" "}"
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   694
                (map pr_superclass superarities @ map pr_classparam classparam_insts),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   695
              str ":",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   696
              pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   697
            ])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   698
          end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   699
  in pr_def ml_def end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   700
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   701
fun pr_sml_modl name content =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   702
  Pretty.chunks ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   703
    str ("structure " ^ name ^ " = "),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   704
    str "struct",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   705
    str ""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   706
  ] @ content @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   707
    str "",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   708
    str ("end; (*struct " ^ name ^ "*)")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   709
  ]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   710
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   711
fun pr_ocaml tyco_syntax const_syntax labelled_name
24621
97d403d9ab54 clarified evaluation code
haftmann
parents: 24591
diff changeset
   712
    init_syms deresolv is_cons ml_def =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   713
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   714
    fun pr_dicts fxy ds =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   715
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   716
        fun pr_dictvar (v, (_, 1)) = "_" ^ first_upper v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   717
          | pr_dictvar (v, (i, _)) = "_" ^ first_upper v ^ string_of_int (i+1);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   718
        fun pr_proj ps p =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   719
          fold_rev (fn p2 => fn p1 => Pretty.block [p1, str ".", str p2]) ps p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   720
        fun pr_dictc fxy (DictConst (inst, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   721
              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   722
          | pr_dictc fxy (DictVar (classrels, v)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   723
              pr_proj (map deresolv classrels) ((str o pr_dictvar) v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   724
      in case ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   725
       of [] => str "()"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   726
        | [d] => pr_dictc fxy d
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   727
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   728
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   729
    fun pr_tyvars vs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   730
      vs
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   731
      |> map (fn (v, sort) => map_index (fn (i, _) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   732
           DictVar ([], (v, (i, length sort)))) sort)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   733
      |> map (pr_dicts BR);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   734
    fun pr_tycoexpr fxy (tyco, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   735
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   736
        val tyco' = (str o deresolv) tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   737
      in case map (pr_typ BR) tys
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   738
       of [] => tyco'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   739
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   740
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   741
      end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   742
    and pr_typ fxy (tyco `%% tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   743
          (case tyco_syntax tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   744
           of NONE => pr_tycoexpr fxy (tyco, tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   745
            | SOME (i, pr) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   746
                if not (i = length tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   747
                then error ("Number of argument mismatch in customary serialization: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   748
                  ^ (string_of_int o length) tys ^ " given, "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   749
                  ^ string_of_int i ^ " expected")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   750
                else pr pr_typ fxy tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   751
      | pr_typ fxy (ITyVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   752
          str ("'" ^ v);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   753
    fun pr_term lhs vars fxy (IConst c) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   754
          pr_app lhs vars fxy (c, [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   755
      | pr_term lhs vars fxy (IVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   756
          str (CodeName.lookup_var vars v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   757
      | pr_term lhs vars fxy (t as t1 `$ t2) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   758
          (case CodeThingol.unfold_const_app t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   759
           of SOME c_ts => pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   760
            | NONE =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   761
                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   762
      | pr_term lhs vars fxy (t as _ `|-> _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   763
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   764
            val (binds, t') = CodeThingol.unfold_abs t;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   765
            fun pr ((v, pat), ty) = pr_bind BR ((SOME v, pat), ty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   766
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   767
          in brackets (str "fun" :: ps @ str "->" @@ pr_term lhs vars' NOBR t') end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   768
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   769
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   770
                then pr_case vars fxy cases
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   771
                else pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   772
            | NONE => pr_case vars fxy cases)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   773
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   774
      if is_cons c then
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   775
        if length tys = length ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   776
        then case ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   777
         of [] => [(str o deresolv) c]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   778
          | [t] => [(str o deresolv) c, pr_term lhs vars BR t]
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   779
          | _ => [(str o deresolv) c, Pretty.enum "," "(" ")"
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   780
                    (map (pr_term lhs vars NOBR) ts)]
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   781
        else [pr_term lhs vars BR (CodeThingol.eta_expand app (length tys))]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   782
      else (str o deresolv) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   783
        :: ((map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts)
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   784
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   785
      labelled_name is_cons lhs vars
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   786
    and pr_bind' ((NONE, NONE), _) = str "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   787
      | pr_bind' ((SOME v, NONE), _) = str v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   788
      | pr_bind' ((NONE, SOME p), _) = p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   789
      | pr_bind' ((SOME v, SOME p), _) = brackets [p, str "as", str v]
24284
f5afd33f5d02 fixed OCaml bug
haftmann
parents: 24251
diff changeset
   790
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   791
    and pr_case vars fxy (cases as ((_, [_]), _)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   792
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   793
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   794
            fun pr ((pat, ty), t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   795
              vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   796
              |> pr_bind NOBR ((NONE, SOME pat), ty)
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   797
              |>> (fn p => concat
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   798
                  [str "let", p, str "=", pr_term false vars NOBR t, str "in"])
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   799
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   800
          in Pretty.chunks (ps @| pr_term false vars' NOBR t') end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   801
      | pr_case vars fxy (((td, ty), b::bs), _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   802
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   803
            fun pr delim (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   804
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   805
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   806
              in concat [str delim, p, str "->", pr_term false vars' NOBR t] end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   807
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   808
            (Pretty.enclose "(" ")" o single o brackify fxy) (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   809
              str "match"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   810
              :: pr_term false vars NOBR td
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   811
              :: pr "with" b
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   812
              :: map (pr "|") bs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   813
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   814
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   815
      | pr_case vars fxy ((_, []), _) = str "failwith \"empty case\"";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   816
    fun pr_def (MLFuns (funns as funn :: funns')) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   817
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   818
            fun fish_parm _ (w as SOME _) = w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   819
              | fish_parm (IVar v) NONE = SOME v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   820
              | fish_parm _ NONE = NONE;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   821
            fun fillup_parm _ (_, SOME v) = v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   822
              | fillup_parm x (i, NONE) = x ^ string_of_int i;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   823
            fun fish_parms vars eqs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   824
              let
24294
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   825
                val fished1 = fold (map2 fish_parm) eqs (replicate (length (hd eqs)) NONE);
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   826
                val x = Name.variant (map_filter I fished1) "x";
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   827
                val fished2 = map_index (fillup_parm x) fished1;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   828
                val (fished3, _) = Name.variants fished2 Name.context;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   829
                val vars' = CodeName.intro_vars fished3 vars;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   830
              in map (CodeName.lookup_var vars') fished3 end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   831
            fun pr_eq (ts, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   832
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   833
                val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   834
                  (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   835
                    then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   836
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   837
                val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   838
                  |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   839
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   840
                      (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   841
              in concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   842
                (Pretty.block o Pretty.commas) (map (pr_term true vars NOBR) ts),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   843
                str "->",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   844
                pr_term false vars NOBR t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   845
              ] end;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   846
            fun pr_eqs name ty [] =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   847
                  let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   848
                    val n = (length o fst o CodeThingol.unfold_fun) ty;
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   849
                    val exc_str =
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   850
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   851
                  in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   852
                    concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   853
                      map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   854
                      @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   855
                      :: str "failwith"
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   856
                      @@ str exc_str
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   857
                    )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   858
                  end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   859
              | pr_eqs _ _ [(ts, t)] =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   860
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   861
                    val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   862
                      (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   863
                        then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   864
                        ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   865
                    val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   866
                      |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   867
                      |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   868
                          (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   869
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   870
                    concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   871
                      map (pr_term true vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   872
                      @ str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   873
                      @@ pr_term false vars NOBR t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   874
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   875
                  end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   876
              | pr_eqs _ _ (eqs as (eq as ([_], _)) :: eqs') =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   877
                  Pretty.block (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   878
                    str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   879
                    :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   880
                    :: str "function"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   881
                    :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   882
                    :: pr_eq eq
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   883
                    :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   884
                          o single o pr_eq) eqs'
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   885
                  )
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   886
              | pr_eqs _ _ (eqs as eq :: eqs') =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   887
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   888
                    val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   889
                      (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   890
                        then NONE else (SOME o NameSpace.base o deresolv) c)
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   891
                        ((fold o CodeThingol.fold_constnames)
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   892
                          (insert (op =)) (map snd eqs) []);
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   893
                    val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   894
                      |> CodeName.intro_vars consts;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   895
                    val dummy_parms = (map str o fish_parms vars o map fst) eqs;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   896
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   897
                    Pretty.block (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   898
                      Pretty.breaks dummy_parms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   899
                      @ Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   900
                      :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   901
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   902
                      :: str "match"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   903
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   904
                      :: (Pretty.block o Pretty.commas) dummy_parms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   905
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   906
                      :: str "with"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   907
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   908
                      :: pr_eq eq
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   909
                      :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   910
                           o single o pr_eq) eqs'
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   911
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   912
                  end;
24381
560e8ecdf633 improved evaluation interface
haftmann
parents: 24294
diff changeset
   913
            fun pr_funn definer (name, ((vs, ty), eqs)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   914
              concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   915
                str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   916
                :: (str o deresolv) name
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   917
                :: pr_tyvars (filter_out (null o snd) vs)
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   918
                @| pr_eqs name ty eqs
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   919
              );
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   920
            val (ps, p) = split_last
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   921
              (pr_funn "let rec" funn :: map (pr_funn "and") funns');
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   922
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   923
     | pr_def (MLDatas (datas as (data :: datas'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   924
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   925
            fun pr_co (co, []) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   926
                  str (deresolv co)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   927
              | pr_co (co, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   928
                  concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   929
                    str (deresolv co),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   930
                    str "of",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   931
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   932
                  ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   933
            fun pr_data definer (tyco, (vs, [])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   934
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   935
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   936
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   937
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   938
                    @@ str "EMPTY_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   939
                  )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   940
              | pr_data definer (tyco, (vs, cos)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   941
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   942
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   943
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   944
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   945
                    :: separate (str "|") (map pr_co cos)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   946
                  );
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   947
            val (ps, p) = split_last
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   948
              (pr_data "type" data :: map (pr_data "and") datas');
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   949
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   950
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   951
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   952
            val w = "_" ^ first_upper v;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   953
            fun pr_superclass_field (class, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   954
              (concat o map str) [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   955
                deresolv classrel, ":", "'" ^ v, deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   956
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   957
            fun pr_classparam_field (classparam, ty) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   958
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   959
                (str o deresolv) classparam, str ":", pr_typ NOBR ty
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   960
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   961
            fun pr_classparam_proj (classparam, _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   962
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   963
                str "let",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   964
                (str o deresolv) classparam,
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   965
                str w,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   966
                str "=",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   967
                str (w ^ "." ^ deresolv classparam ^ ";;")
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   968
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   969
          in Pretty.chunks (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   970
            concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   971
              str ("type '" ^ v),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   972
              (str o deresolv) class,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   973
              str "=",
25771
a81c0ad97133 empty dictionaries for OCaml
haftmann
parents: 25621
diff changeset
   974
              enum_default "();;" ";" "{" "};;" (
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   975
                map pr_superclass_field superclasses
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
   976
                @ map pr_classparam_field classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   977
              )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   978
            ]
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   979
            :: map pr_classparam_proj classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   980
          ) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   981
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   982
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   983
            fun pr_superclass (_, (classrel, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   984
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   985
                (str o deresolv) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   986
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   987
                pr_dicts NOBR [DictConst dss]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   988
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   989
            fun pr_classparam_inst (classparam, c_inst) =
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   990
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   991
                (str o deresolv) classparam,
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   992
                str "=",
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   993
                pr_app false init_syms NOBR (c_inst, [])
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   994
              ];
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   995
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   996
            concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   997
              str "let"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   998
              :: (str o deresolv) inst
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   999
              :: pr_tyvars arity
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1000
              @ str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1001
              @@ (Pretty.enclose "(" ");;" o Pretty.breaks) [
25771
a81c0ad97133 empty dictionaries for OCaml
haftmann
parents: 25621
diff changeset
  1002
                enum_default "()" ";" "{" "}" (map pr_superclass superarities
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1003
                  @ map pr_classparam_inst classparam_insts),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1004
                str ":",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1005
                pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1006
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1007
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1008
          end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1009
  in pr_def ml_def end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1010
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1011
fun pr_ocaml_modl name content =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1012
  Pretty.chunks ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1013
    str ("module " ^ name ^ " = "),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1014
    str "struct",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1015
    str ""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1016
  ] @ content @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1017
    str "",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1018
    str ("end;; (*struct " ^ name ^ "*)")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1019
  ]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1020
27000
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1021
fun seri_ml internal output_cont pr_def pr_modl module labelled_name reserved_syms includes raw_module_alias
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1022
  (_ : string -> class_syntax option) tyco_syntax const_syntax code cs seri_dest =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1023
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1024
    val module_alias = if is_some module then K module else raw_module_alias;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1025
    val is_cons = CodeThingol.is_cons code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1026
    datatype node =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1027
        Def of string * ml_def option
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1028
      | Module of string * ((Name.context * Name.context) * node Graph.T);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1029
    val init_names = Name.make_context reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1030
    val init_module = ((init_names, init_names), Graph.empty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1031
    fun map_node [] f = f
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1032
      | map_node (m::ms) f =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1033
          Graph.default_node (m, Module (m, init_module))
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1034
          #> Graph.map_node m (fn (Module (dmodlname, (nsp, nodes))) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1035
               Module (dmodlname, (nsp, map_node ms f nodes)));
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1036
    fun map_nsp_yield [] f (nsp, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1037
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1038
            val (x, nsp') = f nsp
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1039
          in (x, (nsp', nodes)) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1040
      | map_nsp_yield (m::ms) f (nsp, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1041
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1042
            val (x, nodes') =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1043
              nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1044
              |> Graph.default_node (m, Module (m, init_module))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1045
              |> Graph.map_node_yield m (fn Module (dmodlname, nsp_nodes) => 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1046
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1047
                    val (x, nsp_nodes') = map_nsp_yield ms f nsp_nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1048
                  in (x, Module (dmodlname, nsp_nodes')) end)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1049
          in (x, (nsp, nodes')) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1050
    val init_syms = CodeName.make_vars reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1051
    val name_modl = mk_modl_name_tab init_names NONE module_alias code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1052
    fun name_def upper name nsp =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1053
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1054
        val (_, base) = dest_name name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1055
        val base' = if upper then first_upper base else base;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1056
        val ([base''], nsp') = Name.variants [base'] nsp;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1057
      in (base'', nsp') end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1058
    fun map_nsp_fun f (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1059
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1060
        val (x, nsp_fun') = f nsp_fun
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1061
      in (x, (nsp_fun', nsp_typ)) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1062
    fun map_nsp_typ f (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1063
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1064
        val (x, nsp_typ') = f nsp_typ
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1065
      in (x, (nsp_fun, nsp_typ')) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1066
    fun mk_funs defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1067
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1068
        (fn (name, CodeThingol.Fun info) =>
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1069
              map_nsp_fun (name_def false name) >>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1070
                (fn base => (base, (name, (apsnd o map) fst info)))
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1071
          | (name, def) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1072
              error ("Function block containing illegal definition: " ^ labelled_name name)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1073
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1074
      >> (split_list #> apsnd MLFuns);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1075
    fun mk_datatype defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1076
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1077
        (fn (name, CodeThingol.Datatype info) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1078
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1079
          | (name, CodeThingol.Datatypecons _) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1080
              map_nsp_fun (name_def true name) >> (fn base => (base, NONE))
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1081
          | (name, def) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1082
              error ("Datatype block containing illegal definition: " ^ labelled_name name)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1083
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1084
      >> (split_list #> apsnd (map_filter I
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1085
        #> (fn [] => error ("Datatype block without data definition: "
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1086
                  ^ (commas o map (labelled_name o fst)) defs)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1087
             | infos => MLDatas infos)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1088
    fun mk_class defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1089
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1090
        (fn (name, CodeThingol.Class info) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1091
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1092
          | (name, CodeThingol.Classrel _) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1093
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1094
          | (name, CodeThingol.Classparam _) =>
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1095
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1096
          | (name, def) =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1097
              error ("Class block containing illegal definition: " ^ labelled_name name)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1098
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1099
      >> (split_list #> apsnd (map_filter I
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1100
        #> (fn [] => error ("Class block without class definition: "
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1101
                  ^ (commas o map (labelled_name o fst)) defs)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1102
             | [info] => MLClass info)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1103
    fun mk_inst [(name, CodeThingol.Classinst info)] =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1104
      map_nsp_fun (name_def false name)
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1105
      >> (fn base => ([base], MLClassinst (name, (apsnd o apsnd o map) fst info)));
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1106
    fun add_group mk defs nsp_nodes =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1107
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1108
        val names as (name :: names') = map fst defs;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1109
        val deps =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1110
          []
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1111
          |> fold (fold (insert (op =)) o Graph.imm_succs code) names
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1112
          |> subtract (op =) names;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1113
        val (modls, _) = (split_list o map dest_name) names;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1114
        val modl' = (the_single o distinct (op =) o map name_modl) modls
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1115
          handle Empty =>
24811
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
  1116
            error ("Different namespace prefixes for mutual dependencies:\n"
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
  1117
              ^ commas (map labelled_name names)
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
  1118
              ^ "\n"
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
  1119
              ^ commas (map (NameSpace.qualifier o NameSpace.qualifier) names));
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1120
        val modl_explode = NameSpace.explode modl';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1121
        fun add_dep name name'' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1122
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1123
            val modl'' = (name_modl o fst o dest_name) name'';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1124
          in if modl' = modl'' then
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1125
            map_node modl_explode
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1126
              (Graph.add_edge (name, name''))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1127
          else let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1128
            val (common, (diff1::_, diff2::_)) = chop_prefix (op =)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1129
              (modl_explode, NameSpace.explode modl'');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1130
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1131
            map_node common
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1132
              (fn gr => Graph.add_edge_acyclic (diff1, diff2) gr
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1133
                handle Graph.CYCLES _ => error ("Dependency "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1134
                  ^ quote name ^ " -> " ^ quote name''
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1135
                  ^ " would result in module dependency cycle"))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1136
          end end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1137
      in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1138
        nsp_nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1139
        |> map_nsp_yield modl_explode (mk defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1140
        |-> (fn (base' :: bases', def') =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1141
           apsnd (map_node modl_explode (Graph.new_node (name, (Def (base', SOME def')))
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1142
              #> fold2 (fn name' => fn base' =>
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1143
                   Graph.new_node (name', (Def (base', NONE)))) names' bases')))
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1144
        |> apsnd (fold (fn name => fold (add_dep name) deps) names)
25538
58e8ba3b792b map_product and fold_product
haftmann
parents: 25204
diff changeset
  1145
        |> apsnd (fold_product (curry (map_node modl_explode o Graph.add_edge)) names names)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1146
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1147
    fun group_defs [(_, CodeThingol.Bot)] =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1148
          I
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1149
      | group_defs ((defs as (_, CodeThingol.Fun _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1150
          add_group mk_funs defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1151
      | group_defs ((defs as (_, CodeThingol.Datatypecons _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1152
          add_group mk_datatype defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1153
      | group_defs ((defs as (_, CodeThingol.Datatype _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1154
          add_group mk_datatype defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1155
      | group_defs ((defs as (_, CodeThingol.Class _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1156
          add_group mk_class defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1157
      | group_defs ((defs as (_, CodeThingol.Classrel _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1158
          add_group mk_class defs
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1159
      | group_defs ((defs as (_, CodeThingol.Classparam _)::_)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1160
          add_group mk_class defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1161
      | group_defs ((defs as [(_, CodeThingol.Classinst _)])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1162
          add_group mk_inst defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1163
      | group_defs defs = error ("Illegal mutual dependencies: " ^
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1164
          (commas o map (labelled_name o fst)) defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1165
    val (_, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1166
      init_module
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1167
      |> fold group_defs (map (AList.make (Graph.get_node code))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1168
          (rev (Graph.strong_conn code)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1169
    fun deresolver prefix name = 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1170
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1171
        val modl = (fst o dest_name) name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1172
        val modl' = (NameSpace.explode o name_modl) modl;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1173
        val (_, (_, remainder)) = chop_prefix (op =) (prefix, modl');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1174
        val defname' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1175
          nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1176
          |> fold (fn m => fn g => case Graph.get_node g m
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1177
              of Module (_, (_, g)) => g) modl'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1178
          |> (fn g => case Graph.get_node g name of Def (defname, _) => defname);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1179
      in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1180
        NameSpace.implode (remainder @ [defname'])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1181
      end handle Graph.UNDEF _ =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1182
        error ("Unknown definition name: " ^ labelled_name name);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1183
    fun pr_node prefix (Def (_, NONE)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1184
          NONE
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1185
      | pr_node prefix (Def (_, SOME def)) =
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1186
          SOME (pr_def tyco_syntax const_syntax labelled_name init_syms
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1187
            (deresolver prefix) is_cons def)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1188
      | pr_node prefix (Module (dmodlname, (_, nodes))) =
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1189
          SOME (pr_modl dmodlname (
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1190
            separate (str "")
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1191
                ((map_filter (pr_node (prefix @ [dmodlname]) o Graph.get_node nodes)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1192
                o rev o flat o Graph.strong_conn) nodes)));
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1193
    val p = Pretty.chunks (separate (str "") (map snd includes @ (map_filter
26113
ba5909699cc3 non-operative code antiquotation
haftmann
parents: 26086
diff changeset
  1194
      (pr_node [] o Graph.get_node nodes) o rev o flat o Graph.strong_conn) nodes));
ba5909699cc3 non-operative code antiquotation
haftmann
parents: 26086
diff changeset
  1195
    val deresolv = try (deresolver (if is_some module then the_list module else []));
27000
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1196
    val output = case seri_dest
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1197
     of Compile => K NONE o internal o code_source
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1198
      | File file => K NONE o File.write file o code_source
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1199
      | String => SOME o code_source;
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1200
  in output_cont (map_filter deresolv cs, output p) end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1201
27000
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1202
fun isar_seri_sml module =
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1203
  parse_args (Scan.succeed ())
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1204
  #> (fn () => seri_ml (use_text (1, "generated code") Output.ml_output false) snd pr_sml pr_sml_modl module);
26113
ba5909699cc3 non-operative code antiquotation
haftmann
parents: 26086
diff changeset
  1205
27000
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1206
fun isar_seri_ocaml module =
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1207
  parse_args (Scan.succeed ())
e8a40d8b7897 new serializer interface
haftmann
parents: 26998
diff changeset
  1208
  #> (fn () => seri_ml (fn _ => error "OCaml: no internal compilation") snd pr_ocaml pr_ocaml_modl module)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1209
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1210
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1211
(** Haskell serializer **)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1212
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1213
local
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1214
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1215
fun pr_bind' ((NONE, NONE), _) = str "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1216
  | pr_bind' ((SOME v, NONE), _) = str v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1217
  | pr_bind' ((NONE, SOME p), _) = p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1218
  | pr_bind' ((SOME v, SOME p), _) = brackets [str v, str "@", p]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1220
val pr_bind_haskell = gen_pr_bind pr_bind';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1221
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1222
in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1223
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1224
fun pr_haskell class_syntax tyco_syntax const_syntax labelled_name
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1225
    init_syms deresolv_here deresolv is_cons contr_classparam_typs deriving_show def =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1226
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1227
    fun class_name class = case class_syntax class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1228
     of NONE => deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1229
      | SOME (class, _) => class;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1230
    fun classparam_name class classparam = case class_syntax class
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1231
     of NONE => deresolv_here classparam
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1232
      | SOME (_, classparam_syntax) => case classparam_syntax classparam
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1233
         of NONE => (snd o dest_name) classparam
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1234
          | SOME classparam => classparam;
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1235
    fun pr_typcontext tyvars vs = case maps (fn (v, sort) => map (pair v) sort) vs
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1236
     of [] => []
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1237
      | classbinds => Pretty.enum "," "(" ")" (
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1238
          map (fn (v, class) =>
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1239
            str (class_name class ^ " " ^ CodeName.lookup_var tyvars v)) classbinds)
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1240
          @@ str " => ";
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1241
    fun pr_typforall tyvars vs = case map fst vs
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1242
     of [] => []
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1243
      | vnames => str "forall " :: Pretty.breaks
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1244
          (map (str o CodeName.lookup_var tyvars) vnames) @ str "." @@ Pretty.brk 1;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1245
    fun pr_tycoexpr tyvars fxy (tyco, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1246
      brackify fxy (str tyco :: map (pr_typ tyvars BR) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1247
    and pr_typ tyvars fxy (tycoexpr as tyco `%% tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1248
          (case tyco_syntax tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1249
           of NONE =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1250
                pr_tycoexpr tyvars fxy (deresolv tyco, tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1251
            | SOME (i, pr) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1252
                if not (i = length tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1253
                then error ("Number of argument mismatch in customary serialization: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1254
                  ^ (string_of_int o length) tys ^ " given, "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1255
                  ^ string_of_int i ^ " expected")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1256
                else pr (pr_typ tyvars) fxy tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1257
      | pr_typ tyvars fxy (ITyVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1258
          (str o CodeName.lookup_var tyvars) v;
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1259
    fun pr_typdecl tyvars (vs, tycoexpr) =
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1260
      Pretty.block (pr_typcontext tyvars vs @| pr_tycoexpr tyvars NOBR tycoexpr);
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1261
    fun pr_typscheme tyvars (vs, ty) =
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1262
      Pretty.block (pr_typforall tyvars vs @ pr_typcontext tyvars vs @| pr_typ tyvars NOBR ty);
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1263
    fun pr_term tyvars lhs vars fxy (IConst c) =
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1264
          pr_app tyvars lhs vars fxy (c, [])
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1265
      | pr_term tyvars lhs vars fxy (t as (t1 `$ t2)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1266
          (case CodeThingol.unfold_const_app t
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1267
           of SOME app => pr_app tyvars lhs vars fxy app
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1268
            | _ =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1269
                brackify fxy [
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1270
                  pr_term tyvars lhs vars NOBR t1,
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1271
                  pr_term tyvars lhs vars BR t2
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1272
                ])
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1273
      | pr_term tyvars lhs vars fxy (IVar v) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1274
          (str o CodeName.lookup_var vars) v
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1275
      | pr_term tyvars lhs vars fxy (t as _ `|-> _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1276
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1277
            val (binds, t') = CodeThingol.unfold_abs t;
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1278
            fun pr ((v, pat), ty) = pr_bind tyvars BR ((SOME v, pat), ty);
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1279
            val (ps, vars') = fold_map pr binds vars;
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1280
          in brackets (str "\\" :: ps @ str "->" @@ pr_term tyvars lhs vars' NOBR t') end
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1281
      | pr_term tyvars lhs vars fxy (ICase (cases as (_, t0))) =
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1282
          (case CodeThingol.unfold_const_app t0
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1283
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1284
                then pr_case tyvars vars fxy cases
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1285
                else pr_app tyvars lhs vars fxy c_ts
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1286
            | NONE => pr_case tyvars vars fxy cases)
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1287
    and pr_app' tyvars lhs vars ((c, (_, tys)), ts) = case contr_classparam_typs c
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1288
     of [] => (str o deresolv) c :: map (pr_term tyvars lhs vars BR) ts
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1289
      | fingerprint => let
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1290
          val ts_fingerprint = ts ~~ curry Library.take (length ts) fingerprint;
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1291
          val needs_annotation = forall (fn (_, NONE) => true | (t, SOME _) =>
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1292
            (not o CodeThingol.locally_monomorphic) t) ts_fingerprint;
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1293
          fun pr_term_anno (t, NONE) _ = pr_term tyvars lhs vars BR t
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1294
            | pr_term_anno (t, SOME _) ty =
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1295
                brackets [pr_term tyvars lhs vars NOBR t, str "::", pr_typ tyvars NOBR ty];
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1296
        in
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1297
          if needs_annotation then
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1298
            (str o deresolv) c :: map2 pr_term_anno ts_fingerprint (curry Library.take (length ts) tys)
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1299
          else (str o deresolv) c :: map (pr_term tyvars lhs vars BR) ts
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1300
        end
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1301
    and pr_app tyvars lhs vars  = gen_pr_app (pr_app' tyvars) (pr_term tyvars) const_syntax
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1302
      labelled_name is_cons lhs vars
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1303
    and pr_bind tyvars = pr_bind_haskell (pr_term tyvars)
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1304
    and pr_case tyvars vars fxy (cases as ((_, [_]), _)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1305
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1306
            val (binds, t) = CodeThingol.unfold_let (ICase cases);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1307
            fun pr ((pat, ty), t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1308
              vars
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1309
              |> pr_bind tyvars BR ((NONE, SOME pat), ty)
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1310
              |>> (fn p => semicolon [p, str "=", pr_term tyvars false vars NOBR t])
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1311
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1312
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1313
            Pretty.block_enclose (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1314
              str "let {",
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1315
              concat [str "}", str "in", pr_term tyvars false vars' NOBR t]
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1316
            ) ps
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1317
          end
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1318
      | pr_case tyvars vars fxy (((td, ty), bs as _ :: _), _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1319
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1320
            fun pr (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1321
              let
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1322
                val (p, vars') = pr_bind tyvars NOBR ((NONE, SOME pat), ty) vars;
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1323
              in semicolon [p, str "->", pr_term tyvars false vars' NOBR t] end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1324
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1325
            Pretty.block_enclose (
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1326
              concat [str "(case", pr_term tyvars false vars NOBR td, str "of", str "{"],
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1327
              str "})"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1328
            ) (map pr bs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1329
          end
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1330
      | pr_case tyvars vars fxy ((_, []), _) = str "error \"empty case\"";
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1331
    fun pr_def (name, CodeThingol.Fun ((vs, ty), [])) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1332
          let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1333
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1334
            val n = (length o fst o CodeThingol.unfold_fun) ty;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1335
          in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1336
            Pretty.chunks [
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1337
              Pretty.block [
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1338
                (str o suffix " ::" o deresolv_here) name,
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1339
                Pretty.brk 1,
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1340
                pr_typscheme tyvars (vs, ty),
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1341
                str ";"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1342
              ],
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1343
              concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1344
                (str o deresolv_here) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1345
                :: map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1346
                @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1347
                :: str "error"
24992
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1348
                @@ (str o (fn s => s ^ ";") o ML_Syntax.print_string
d33713284207 code_include replaces code_moduleprolog
haftmann
parents: 24928
diff changeset
  1349
                    o NameSpace.base o NameSpace.qualifier) name
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1350
              )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1351
            ]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1352
          end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1353
      | pr_def (name, CodeThingol.Fun ((vs, ty), eqs)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1354
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1355
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1356
            fun pr_eq ((ts, t), _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1357
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1358
                val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1359
                  (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1360
                    then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1361
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1362
                val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1363
                  |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1364
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1365
                       (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1366
              in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1367
                semicolon (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1368
                  (str o deresolv_here) name
25621
97ebdbdb0299 heutistics for type annotations in Haskell
haftmann
parents: 25538
diff changeset
  1369
                  :: map (pr_term tyvars true vars BR) ts
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1370
                  @ str "="
25621