src/Tools/code/code_target.ML
author haftmann
Mon May 26 17:55:39 2008 +0200 (2008-05-26)
changeset 26998 2c4032d59586
parent 26753 094d70c81243
child 27000 e8a40d8b7897
permissions -rw-r--r--
proper use of the Pretty module
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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 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 get_serializer: theory -> string -> bool -> string option
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    -> string option -> Args.T list
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    -> string list option -> CodeThingol.code -> unit;
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  val sml_of: theory -> string list -> CodeThingol.code -> 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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fun code_writeln p = Pretty.setmp_margin (!code_width) Pretty.writeln p;
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(** 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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(* user-defined syntax *)
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datatype 'a mixfix =
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    Arg of fixity
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  | Pretty of Pretty.T;
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fun mk_mixfix prep_arg (fixity_this, mfx) =
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  let
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    fun is_arg (Arg _) = true
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      | is_arg _ = false;
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    val i = (length o filter is_arg) mfx;
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    fun fillin _ [] [] =
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          []
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      | fillin pr (Arg fxy :: mfx) (a :: args) =
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          (pr fxy o prep_arg) a :: fillin pr mfx args
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      | fillin pr (Pretty p :: mfx) args =
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          p :: fillin pr mfx args
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      | fillin _ [] _ =
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          error ("Inconsistent mixfix: too many arguments")
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      | fillin _ _ [] =
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          error ("Inconsistent mixfix: too less arguments");
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  in
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    (i, fn pr => fn fixity_ctxt => fn args =>
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      gen_brackify (fixity fixity_this fixity_ctxt) (fillin pr mfx args))
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  end;
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fun parse_infix prep_arg (x, i) s =
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  let
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    val l = case x of L => INFX (i, L) | _ => INFX (i, X);
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    val r = case x of R => INFX (i, R) | _ => INFX (i, X);
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  in
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    mk_mixfix prep_arg (INFX (i, x),
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      [Arg l, (Pretty o Pretty.brk) 1, (Pretty o str) s, (Pretty o Pretty.brk) 1, Arg r])
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  end;
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fun parse_mixfix prep_arg s =
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  let
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    val sym_any = Scan.one Symbol.is_regular;
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    val parse = Scan.optional ($$ "!" >> K true) false -- Scan.repeat (
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         ($$ "(" -- $$ "_" -- $$ ")" >> K (Arg NOBR))
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      || ($$ "_" >> K (Arg BR))
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      || ($$ "/" |-- Scan.repeat ($$ " ") >> (Pretty o Pretty.brk o length))
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      || (Scan.repeat1
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           (   $$ "'" |-- sym_any
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            || Scan.unless ($$ "_" || $$ "/" || $$ "(" |-- $$ "_" |-- $$ ")")
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                 sym_any) >> (Pretty o str o implode)));
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  in case Scan.finite Symbol.stopper parse (Symbol.explode s)
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   of ((_, p as [_]), []) => mk_mixfix prep_arg (NOBR, p)
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    | ((b, p as _ :: _ :: _), []) => mk_mixfix prep_arg (if b then NOBR else BR, p)
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    | _ => Scan.!!
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        (the_default ("malformed mixfix annotation: " ^ quote s) o snd) Scan.fail ()
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  end;
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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 serializer combinators *)
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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
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          else if c = c_min then
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            if negative then SOME ~1 else NONE
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          else error "Illegal numeral expression: illegal leading digit"
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      | dest_numeral (t1 `$ t2) =
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          let val (n, b) = (dest_numeral t2, dest_bit t1)
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          in case n of SOME n => SOME (2 * n + b) | NONE => NONE end
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      | dest_numeral _ = error "Illegal numeral expression: illegal constant";
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  in dest_numeral #> the_default 0 end;
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fun implode_monad c_bind t =
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  let
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    fun dest_monad (IConst (c, _) `$ t1 `$ t2) =
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          if c = c_bind
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            then case CodeThingol.split_abs t2
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             of SOME (((v, pat), ty), t') =>
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                  SOME ((SOME (((SOME v, pat), ty), true), t1), t')
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              | NONE => NONE
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            else NONE
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      | dest_monad t = case CodeThingol.split_let t
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           of SOME (((pat, ty), tbind), t') =>
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                SOME ((SOME (((NONE, SOME pat), ty), false), tbind), t')
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            | NONE => NONE;
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  in CodeThingol.unfoldr dest_monad t end;
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(** name auxiliary **)
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val first_upper = implode o nth_map 0 Symbol.to_ascii_upper o explode;
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val first_lower = implode o nth_map 0 Symbol.to_ascii_lower o explode;
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val dest_name =
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  apfst NameSpace.implode o split_last o fst o split_last o NameSpace.explode;
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fun mk_modl_name_tab init_names prefix module_alias code =
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  let
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    fun nsp_map f = NameSpace.explode #> map f #> NameSpace.implode;
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    fun mk_alias name =
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     case module_alias name
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      of SOME name' => name'
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       | NONE => nsp_map (fn name => (the_single o fst)
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            (Name.variants [name] init_names)) name;
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    fun mk_prefix name =
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      case prefix
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       of SOME prefix => NameSpace.append prefix name
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        | NONE => name;
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    val tab =
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      Symtab.empty
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      |> Graph.fold ((fn name => Symtab.default (name, (mk_alias #> mk_prefix) name))
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           o fst o dest_name o fst)
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             code
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  in fn name => (the o Symtab.lookup tab) name end;
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(** SML/OCaml serializer **)
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datatype ml_def =
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    MLFuns of (string * (typscheme * (iterm list * iterm) list)) list
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  | MLDatas of (string * ((vname * sort) list * (string * itype list) list)) list
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  | MLClass of string * (vname * ((class * string) list * (string * itype) list))
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  | MLClassinst of string * ((class * (string * (vname * sort) list))
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        * ((class * (string * (string * dict list list))) list
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      * (string * const) list));
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fun pr_sml tyco_syntax const_syntax labelled_name init_syms deresolv is_cons ml_def =
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  let
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    val pr_label_classrel = translate_string (fn "." => "__" | c => c)
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      o NameSpace.qualifier;
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    val pr_label_classparam = NameSpace.base o NameSpace.qualifier;
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    fun pr_dicts fxy ds =
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      let
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        fun pr_dictvar (v, (_, 1)) = first_upper v ^ "_"
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          | pr_dictvar (v, (i, _)) = first_upper v ^ string_of_int (i+1) ^ "_";
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        fun pr_proj [] p =
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              p
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          | pr_proj [p'] p =
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              brackets [p', p]
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          | pr_proj (ps as _ :: _) p =
haftmann@24219
   325
              brackets [Pretty.enum " o" "(" ")" ps, p];
haftmann@24219
   326
        fun pr_dictc fxy (DictConst (inst, dss)) =
haftmann@24219
   327
              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
haftmann@24219
   328
          | pr_dictc fxy (DictVar (classrels, v)) =
haftmann@24219
   329
              pr_proj (map (str o deresolv) classrels) ((str o pr_dictvar) v)
haftmann@24219
   330
      in case ds
haftmann@24219
   331
       of [] => str "()"
haftmann@24219
   332
        | [d] => pr_dictc fxy d
haftmann@24219
   333
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
haftmann@24219
   334
      end;
haftmann@24219
   335
    fun pr_tyvars vs =
haftmann@24219
   336
      vs
haftmann@24992
   337
      |> map (fn (v, sort) => map_index (fn (i, _) =>
haftmann@24992
   338
           DictVar ([], (v, (i, length sort)))) sort)
haftmann@24219
   339
      |> map (pr_dicts BR);
haftmann@24219
   340
    fun pr_tycoexpr fxy (tyco, tys) =
haftmann@24219
   341
      let
haftmann@24219
   342
        val tyco' = (str o deresolv) tyco
haftmann@24219
   343
      in case map (pr_typ BR) tys
haftmann@24219
   344
       of [] => tyco'
haftmann@24219
   345
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
haftmann@24219
   346
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
haftmann@24219
   347
      end
haftmann@24219
   348
    and pr_typ fxy (tyco `%% tys) =
haftmann@24219
   349
          (case tyco_syntax tyco
haftmann@24219
   350
           of NONE => pr_tycoexpr fxy (tyco, tys)
haftmann@24219
   351
            | SOME (i, pr) =>
haftmann@24219
   352
                if not (i = length tys)
haftmann@24219
   353
                then error ("Number of argument mismatch in customary serialization: "
haftmann@24219
   354
                  ^ (string_of_int o length) tys ^ " given, "
haftmann@24219
   355
                  ^ string_of_int i ^ " expected")
haftmann@24219
   356
                else pr pr_typ fxy tys)
haftmann@24219
   357
      | pr_typ fxy (ITyVar v) =
haftmann@24219
   358
          str ("'" ^ v);
haftmann@24219
   359
    fun pr_term lhs vars fxy (IConst c) =
haftmann@24219
   360
          pr_app lhs vars fxy (c, [])
haftmann@24219
   361
      | pr_term lhs vars fxy (IVar v) =
haftmann@24219
   362
          str (CodeName.lookup_var vars v)
haftmann@24219
   363
      | pr_term lhs vars fxy (t as t1 `$ t2) =
haftmann@24219
   364
          (case CodeThingol.unfold_const_app t
haftmann@24219
   365
           of SOME c_ts => pr_app lhs vars fxy c_ts
haftmann@24219
   366
            | NONE =>
haftmann@24219
   367
                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
haftmann@24219
   368
      | pr_term lhs vars fxy (t as _ `|-> _) =
haftmann@24219
   369
          let
haftmann@24219
   370
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@24219
   371
            fun pr ((v, pat), ty) =
haftmann@24219
   372
              pr_bind NOBR ((SOME v, pat), ty)
haftmann@24219
   373
              #>> (fn p => concat [str "fn", p, str "=>"]);
haftmann@24219
   374
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
   375
          in brackets (ps @ [pr_term lhs vars' NOBR t']) end
haftmann@24992
   376
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) =
haftmann@24992
   377
          (case CodeThingol.unfold_const_app t0
haftmann@24219
   378
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
haftmann@24219
   379
                then pr_case vars fxy cases
haftmann@24219
   380
                else pr_app lhs vars fxy c_ts
haftmann@24219
   381
            | NONE => pr_case vars fxy cases)
haftmann@24219
   382
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
haftmann@24219
   383
      if is_cons c then let
haftmann@24219
   384
        val k = length tys
haftmann@24219
   385
      in if k < 2 then 
haftmann@24219
   386
        (str o deresolv) c :: map (pr_term lhs vars BR) ts
haftmann@24219
   387
      else if k = length ts then
haftmann@24219
   388
        [(str o deresolv) c, Pretty.enum "," "(" ")" (map (pr_term lhs vars NOBR) ts)]
haftmann@24219
   389
      else [pr_term lhs vars BR (CodeThingol.eta_expand app k)] end else
haftmann@24219
   390
        (str o deresolv) c
haftmann@24219
   391
          :: (map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts
haftmann@24992
   392
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax
haftmann@24992
   393
      labelled_name is_cons lhs vars
haftmann@24219
   394
    and pr_bind' ((NONE, NONE), _) = str "_"
haftmann@24219
   395
      | pr_bind' ((SOME v, NONE), _) = str v
haftmann@24219
   396
      | pr_bind' ((NONE, SOME p), _) = p
haftmann@24219
   397
      | pr_bind' ((SOME v, SOME p), _) = concat [str v, str "as", p]
haftmann@24284
   398
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
haftmann@24219
   399
    and pr_case vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
   400
          let
haftmann@24219
   401
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
haftmann@24219
   402
            fun pr ((pat, ty), t) vars =
haftmann@24219
   403
              vars
haftmann@24219
   404
              |> pr_bind NOBR ((NONE, SOME pat), ty)
haftmann@24219
   405
              |>> (fn p => semicolon [str "val", p, str "=", pr_term false vars NOBR t])
haftmann@24219
   406
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
   407
          in
haftmann@24219
   408
            Pretty.chunks [
haftmann@24219
   409
              [str ("let"), Pretty.fbrk, Pretty.chunks ps] |> Pretty.block,
haftmann@24219
   410
              [str ("in"), Pretty.fbrk, pr_term false vars' NOBR t'] |> Pretty.block,
haftmann@24219
   411
              str ("end")
haftmann@24219
   412
            ]
haftmann@24219
   413
          end
haftmann@24219
   414
      | pr_case vars fxy (((td, ty), b::bs), _) =
haftmann@24219
   415
          let
haftmann@24219
   416
            fun pr delim (pat, t) =
haftmann@24219
   417
              let
haftmann@24219
   418
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
haftmann@24219
   419
              in
haftmann@24219
   420
                concat [str delim, p, str "=>", pr_term false vars' NOBR t]
haftmann@24219
   421
              end;
haftmann@24219
   422
          in
haftmann@24219
   423
            (Pretty.enclose "(" ")" o single o brackify fxy) (
haftmann@24219
   424
              str "case"
haftmann@24219
   425
              :: pr_term false vars NOBR td
haftmann@24219
   426
              :: pr "of" b
haftmann@24219
   427
              :: map (pr "|") bs
haftmann@24219
   428
            )
haftmann@24219
   429
          end
haftmann@24219
   430
      | pr_case vars fxy ((_, []), _) = str "raise Fail \"empty case\""
haftmann@24219
   431
    fun pr_def (MLFuns (funns as (funn :: funns'))) =
haftmann@24219
   432
          let
haftmann@24219
   433
            val definer =
haftmann@24219
   434
              let
haftmann@24841
   435
                fun no_args _ ((ts, _) :: _) = length ts
haftmann@24841
   436
                  | no_args ty [] = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24841
   437
                fun mk 0 [] = "val"
haftmann@24992
   438
                  | mk 0 vs = if (null o filter_out (null o snd)) vs
haftmann@24992
   439
                      then "val" else "fun"
haftmann@24841
   440
                  | mk k _ = "fun";
haftmann@24841
   441
                fun chk (_, ((vs, ty), eqs)) NONE = SOME (mk (no_args ty eqs) vs)
haftmann@24841
   442
                  | chk (_, ((vs, ty), eqs)) (SOME defi) =
haftmann@24841
   443
                      if defi = mk (no_args ty eqs) vs then SOME defi
haftmann@24219
   444
                      else error ("Mixing simultaneous vals and funs not implemented: "
haftmann@24219
   445
                        ^ commas (map (labelled_name o fst) funns));
haftmann@24219
   446
              in the (fold chk funns NONE) end;
haftmann@24841
   447
            fun pr_funn definer (name, ((raw_vs, ty), [])) =
haftmann@24219
   448
                  let
haftmann@24841
   449
                    val vs = filter_out (null o snd) raw_vs;
haftmann@24841
   450
                    val n = length vs + (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24992
   451
                    val exc_str =
haftmann@24992
   452
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
haftmann@24219
   453
                  in
haftmann@24219
   454
                    concat (
haftmann@24841
   455
                      str definer
haftmann@24841
   456
                      :: (str o deresolv) name
haftmann@24841
   457
                      :: map str (replicate n "_")
haftmann@24841
   458
                      @ str "="
haftmann@24841
   459
                      :: str "raise"
haftmann@24841
   460
                      :: str "(Fail"
haftmann@24992
   461
                      :: str exc_str
haftmann@24841
   462
                      @@ str ")"
haftmann@24219
   463
                    )
haftmann@24219
   464
                  end
haftmann@24841
   465
              | pr_funn definer (name, ((raw_vs, ty), eqs as eq :: eqs')) =
haftmann@24841
   466
                  let
haftmann@24841
   467
                    val vs = filter_out (null o snd) raw_vs;
haftmann@24841
   468
                    val shift = if null eqs' then I else
haftmann@24841
   469
                      map (Pretty.block o single o Pretty.block o single);
haftmann@24841
   470
                    fun pr_eq definer (ts, t) =
haftmann@24841
   471
                      let
haftmann@24841
   472
                        val consts = map_filter
haftmann@24841
   473
                          (fn c => if (is_some o const_syntax) c
haftmann@24841
   474
                            then NONE else (SOME o NameSpace.base o deresolv) c)
haftmann@24841
   475
                            ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@24841
   476
                        val vars = init_syms
haftmann@24841
   477
                          |> CodeName.intro_vars consts
haftmann@24841
   478
                          |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24841
   479
                               (insert (op =)) ts []);
haftmann@24841
   480
                      in
haftmann@24841
   481
                        concat (
haftmann@24841
   482
                          [str definer, (str o deresolv) name]
haftmann@24841
   483
                          @ (if null ts andalso null vs
haftmann@24841
   484
                             then [str ":", pr_typ NOBR ty]
haftmann@24841
   485
                             else
haftmann@24841
   486
                               pr_tyvars vs
haftmann@24841
   487
                               @ map (pr_term true vars BR) ts)
haftmann@24841
   488
                       @ [str "=", pr_term false vars NOBR t]
haftmann@24841
   489
                        )
haftmann@24841
   490
                      end
haftmann@24841
   491
                  in
haftmann@24841
   492
                    (Pretty.block o Pretty.fbreaks o shift) (
haftmann@24841
   493
                      pr_eq definer eq
haftmann@24841
   494
                      :: map (pr_eq "|") eqs'
haftmann@24841
   495
                    )
haftmann@24841
   496
                  end;
haftmann@24219
   497
            val (ps, p) = split_last (pr_funn definer funn :: map (pr_funn "and") funns');
haftmann@24219
   498
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
haftmann@24219
   499
     | pr_def (MLDatas (datas as (data :: datas'))) =
haftmann@24219
   500
          let
haftmann@24219
   501
            fun pr_co (co, []) =
haftmann@24219
   502
                  str (deresolv co)
haftmann@24219
   503
              | pr_co (co, tys) =
haftmann@24219
   504
                  concat [
haftmann@24219
   505
                    str (deresolv co),
haftmann@24219
   506
                    str "of",
haftmann@24219
   507
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
haftmann@24219
   508
                  ];
haftmann@24219
   509
            fun pr_data definer (tyco, (vs, [])) =
haftmann@24219
   510
                  concat (
haftmann@24219
   511
                    str definer
haftmann@24219
   512
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   513
                    :: str "="
haftmann@24219
   514
                    @@ str "EMPTY__" 
haftmann@24219
   515
                  )
haftmann@24219
   516
              | pr_data definer (tyco, (vs, cos)) =
haftmann@24219
   517
                  concat (
haftmann@24219
   518
                    str definer
haftmann@24219
   519
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   520
                    :: str "="
haftmann@24219
   521
                    :: separate (str "|") (map pr_co cos)
haftmann@24219
   522
                  );
haftmann@24992
   523
            val (ps, p) = split_last
haftmann@24992
   524
              (pr_data "datatype" data :: map (pr_data "and") datas');
haftmann@24219
   525
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
haftmann@24841
   526
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
haftmann@24219
   527
          let
haftmann@24219
   528
            val w = first_upper v ^ "_";
haftmann@24219
   529
            fun pr_superclass_field (class, classrel) =
haftmann@24219
   530
              (concat o map str) [
haftmann@24219
   531
                pr_label_classrel classrel, ":", "'" ^ v, deresolv class
haftmann@24219
   532
              ];
haftmann@24841
   533
            fun pr_classparam_field (classparam, ty) =
haftmann@24219
   534
              concat [
haftmann@24841
   535
                (str o pr_label_classparam) classparam, str ":", pr_typ NOBR ty
haftmann@24219
   536
              ];
haftmann@24841
   537
            fun pr_classparam_proj (classparam, _) =
haftmann@24219
   538
              semicolon [
haftmann@24219
   539
                str "fun",
haftmann@24841
   540
                (str o deresolv) classparam,
haftmann@24219
   541
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
haftmann@24219
   542
                str "=",
haftmann@24841
   543
                str ("#" ^ pr_label_classparam classparam),
haftmann@24219
   544
                str w
haftmann@24219
   545
              ];
haftmann@24219
   546
            fun pr_superclass_proj (_, classrel) =
haftmann@24219
   547
              semicolon [
haftmann@24219
   548
                str "fun",
haftmann@24219
   549
                (str o deresolv) classrel,
haftmann@24219
   550
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
haftmann@24219
   551
                str "=",
haftmann@24219
   552
                str ("#" ^ pr_label_classrel classrel),
haftmann@24219
   553
                str w
haftmann@24219
   554
              ];
haftmann@24219
   555
          in
haftmann@24219
   556
            Pretty.chunks (
haftmann@24219
   557
              concat [
haftmann@24219
   558
                str ("type '" ^ v),
haftmann@24219
   559
                (str o deresolv) class,
haftmann@24219
   560
                str "=",
haftmann@24219
   561
                Pretty.enum "," "{" "};" (
haftmann@24841
   562
                  map pr_superclass_field superclasses @ map pr_classparam_field classparams
haftmann@24219
   563
                )
haftmann@24219
   564
              ]
haftmann@24219
   565
              :: map pr_superclass_proj superclasses
haftmann@24841
   566
              @ map pr_classparam_proj classparams
haftmann@24219
   567
            )
haftmann@24219
   568
          end
haftmann@24841
   569
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
haftmann@24219
   570
          let
haftmann@24219
   571
            fun pr_superclass (_, (classrel, dss)) =
haftmann@24219
   572
              concat [
haftmann@24219
   573
                (str o pr_label_classrel) classrel,
haftmann@24219
   574
                str "=",
haftmann@24219
   575
                pr_dicts NOBR [DictConst dss]
haftmann@24219
   576
              ];
haftmann@24841
   577
            fun pr_classparam (classparam, c_inst) =
haftmann@24591
   578
              concat [
haftmann@24841
   579
                (str o pr_label_classparam) classparam,
haftmann@24591
   580
                str "=",
haftmann@24591
   581
                pr_app false init_syms NOBR (c_inst, [])
haftmann@24591
   582
              ];
haftmann@24219
   583
          in
haftmann@24219
   584
            semicolon ([
haftmann@24219
   585
              str (if null arity then "val" else "fun"),
haftmann@24219
   586
              (str o deresolv) inst ] @
haftmann@24219
   587
              pr_tyvars arity @ [
haftmann@24219
   588
              str "=",
haftmann@24992
   589
              Pretty.enum "," "{" "}"
haftmann@24992
   590
                (map pr_superclass superarities @ map pr_classparam classparam_insts),
haftmann@24219
   591
              str ":",
haftmann@24219
   592
              pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
haftmann@24219
   593
            ])
haftmann@24219
   594
          end;
haftmann@24219
   595
  in pr_def ml_def end;
haftmann@24219
   596
haftmann@24219
   597
fun pr_sml_modl name content =
haftmann@24219
   598
  Pretty.chunks ([
haftmann@24219
   599
    str ("structure " ^ name ^ " = "),
haftmann@24219
   600
    str "struct",
haftmann@24219
   601
    str ""
haftmann@24219
   602
  ] @ content @ [
haftmann@24219
   603
    str "",
haftmann@24219
   604
    str ("end; (*struct " ^ name ^ "*)")
haftmann@24219
   605
  ]);
haftmann@24219
   606
haftmann@24841
   607
fun pr_ocaml tyco_syntax const_syntax labelled_name
haftmann@24621
   608
    init_syms deresolv is_cons ml_def =
haftmann@24219
   609
  let
haftmann@24219
   610
    fun pr_dicts fxy ds =
haftmann@24219
   611
      let
haftmann@24219
   612
        fun pr_dictvar (v, (_, 1)) = "_" ^ first_upper v
haftmann@24219
   613
          | pr_dictvar (v, (i, _)) = "_" ^ first_upper v ^ string_of_int (i+1);
haftmann@24219
   614
        fun pr_proj ps p =
haftmann@24219
   615
          fold_rev (fn p2 => fn p1 => Pretty.block [p1, str ".", str p2]) ps p
haftmann@24219
   616
        fun pr_dictc fxy (DictConst (inst, dss)) =
haftmann@24219
   617
              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
haftmann@24219
   618
          | pr_dictc fxy (DictVar (classrels, v)) =
haftmann@24219
   619
              pr_proj (map deresolv classrels) ((str o pr_dictvar) v)
haftmann@24219
   620
      in case ds
haftmann@24219
   621
       of [] => str "()"
haftmann@24219
   622
        | [d] => pr_dictc fxy d
haftmann@24219
   623
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
haftmann@24219
   624
      end;
haftmann@24219
   625
    fun pr_tyvars vs =
haftmann@24219
   626
      vs
haftmann@24992
   627
      |> map (fn (v, sort) => map_index (fn (i, _) =>
haftmann@24992
   628
           DictVar ([], (v, (i, length sort)))) sort)
haftmann@24219
   629
      |> map (pr_dicts BR);
haftmann@24219
   630
    fun pr_tycoexpr fxy (tyco, tys) =
haftmann@24219
   631
      let
haftmann@24219
   632
        val tyco' = (str o deresolv) tyco
haftmann@24219
   633
      in case map (pr_typ BR) tys
haftmann@24219
   634
       of [] => tyco'
haftmann@24219
   635
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
haftmann@24219
   636
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
haftmann@24219
   637
      end
haftmann@24219
   638
    and pr_typ fxy (tyco `%% tys) =
haftmann@24219
   639
          (case tyco_syntax tyco
haftmann@24219
   640
           of NONE => pr_tycoexpr fxy (tyco, tys)
haftmann@24219
   641
            | SOME (i, pr) =>
haftmann@24219
   642
                if not (i = length tys)
haftmann@24219
   643
                then error ("Number of argument mismatch in customary serialization: "
haftmann@24219
   644
                  ^ (string_of_int o length) tys ^ " given, "
haftmann@24219
   645
                  ^ string_of_int i ^ " expected")
haftmann@24219
   646
                else pr pr_typ fxy tys)
haftmann@24219
   647
      | pr_typ fxy (ITyVar v) =
haftmann@24219
   648
          str ("'" ^ v);
haftmann@24219
   649
    fun pr_term lhs vars fxy (IConst c) =
haftmann@24219
   650
          pr_app lhs vars fxy (c, [])
haftmann@24219
   651
      | pr_term lhs vars fxy (IVar v) =
haftmann@24219
   652
          str (CodeName.lookup_var vars v)
haftmann@24219
   653
      | pr_term lhs vars fxy (t as t1 `$ t2) =
haftmann@24219
   654
          (case CodeThingol.unfold_const_app t
haftmann@24219
   655
           of SOME c_ts => pr_app lhs vars fxy c_ts
haftmann@24219
   656
            | NONE =>
haftmann@24219
   657
                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
haftmann@24219
   658
      | pr_term lhs vars fxy (t as _ `|-> _) =
haftmann@24219
   659
          let
haftmann@24219
   660
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@24219
   661
            fun pr ((v, pat), ty) = pr_bind BR ((SOME v, pat), ty);
haftmann@24219
   662
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
   663
          in brackets (str "fun" :: ps @ str "->" @@ pr_term lhs vars' NOBR t') end
haftmann@24219
   664
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
haftmann@24219
   665
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
haftmann@24219
   666
                then pr_case vars fxy cases
haftmann@24219
   667
                else pr_app lhs vars fxy c_ts
haftmann@24219
   668
            | NONE => pr_case vars fxy cases)
haftmann@24219
   669
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
haftmann@24219
   670
      if is_cons c then
haftmann@24219
   671
        if length tys = length ts
haftmann@24219
   672
        then case ts
haftmann@24219
   673
         of [] => [(str o deresolv) c]
haftmann@24219
   674
          | [t] => [(str o deresolv) c, pr_term lhs vars BR t]
haftmann@24992
   675
          | _ => [(str o deresolv) c, Pretty.enum "," "(" ")"
haftmann@24992
   676
                    (map (pr_term lhs vars NOBR) ts)]
haftmann@24219
   677
        else [pr_term lhs vars BR (CodeThingol.eta_expand app (length tys))]
haftmann@24219
   678
      else (str o deresolv) c
haftmann@24219
   679
        :: ((map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts)
haftmann@24992
   680
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax
haftmann@24992
   681
      labelled_name is_cons lhs vars
haftmann@24219
   682
    and pr_bind' ((NONE, NONE), _) = str "_"
haftmann@24219
   683
      | pr_bind' ((SOME v, NONE), _) = str v
haftmann@24219
   684
      | pr_bind' ((NONE, SOME p), _) = p
haftmann@24219
   685
      | pr_bind' ((SOME v, SOME p), _) = brackets [p, str "as", str v]
haftmann@24284
   686
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
haftmann@24219
   687
    and pr_case vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
   688
          let
haftmann@24219
   689
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
haftmann@24219
   690
            fun pr ((pat, ty), t) vars =
haftmann@24219
   691
              vars
haftmann@24219
   692
              |> pr_bind NOBR ((NONE, SOME pat), ty)
haftmann@24992
   693
              |>> (fn p => concat
haftmann@24992
   694
                  [str "let", p, str "=", pr_term false vars NOBR t, str "in"])
haftmann@24219
   695
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
   696
          in Pretty.chunks (ps @| pr_term false vars' NOBR t') end
haftmann@24219
   697
      | pr_case vars fxy (((td, ty), b::bs), _) =
haftmann@24219
   698
          let
haftmann@24219
   699
            fun pr delim (pat, t) =
haftmann@24219
   700
              let
haftmann@24219
   701
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
haftmann@24219
   702
              in concat [str delim, p, str "->", pr_term false vars' NOBR t] end;
haftmann@24219
   703
          in
haftmann@24219
   704
            (Pretty.enclose "(" ")" o single o brackify fxy) (
haftmann@24219
   705
              str "match"
haftmann@24219
   706
              :: pr_term false vars NOBR td
haftmann@24219
   707
              :: pr "with" b
haftmann@24219
   708
              :: map (pr "|") bs
haftmann@24219
   709
            )
haftmann@24219
   710
          end
haftmann@24219
   711
      | pr_case vars fxy ((_, []), _) = str "failwith \"empty case\"";
haftmann@24219
   712
    fun pr_def (MLFuns (funns as funn :: funns')) =
haftmann@24219
   713
          let
haftmann@24219
   714
            fun fish_parm _ (w as SOME _) = w
haftmann@24219
   715
              | fish_parm (IVar v) NONE = SOME v
haftmann@24219
   716
              | fish_parm _ NONE = NONE;
haftmann@24219
   717
            fun fillup_parm _ (_, SOME v) = v
haftmann@24219
   718
              | fillup_parm x (i, NONE) = x ^ string_of_int i;
haftmann@24219
   719
            fun fish_parms vars eqs =
haftmann@24219
   720
              let
haftmann@24294
   721
                val fished1 = fold (map2 fish_parm) eqs (replicate (length (hd eqs)) NONE);
haftmann@24294
   722
                val x = Name.variant (map_filter I fished1) "x";
haftmann@24294
   723
                val fished2 = map_index (fillup_parm x) fished1;
haftmann@24294
   724
                val (fished3, _) = Name.variants fished2 Name.context;
haftmann@24294
   725
                val vars' = CodeName.intro_vars fished3 vars;
haftmann@24294
   726
              in map (CodeName.lookup_var vars') fished3 end;
haftmann@24219
   727
            fun pr_eq (ts, t) =
haftmann@24219
   728
              let
haftmann@24219
   729
                val consts = map_filter
haftmann@24219
   730
                  (fn c => if (is_some o const_syntax) c
haftmann@24219
   731
                    then NONE else (SOME o NameSpace.base o deresolv) c)
haftmann@24219
   732
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@24219
   733
                val vars = init_syms
haftmann@24219
   734
                  |> CodeName.intro_vars consts
haftmann@24219
   735
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
   736
                      (insert (op =)) ts []);
haftmann@24219
   737
              in concat [
haftmann@24219
   738
                (Pretty.block o Pretty.commas) (map (pr_term true vars NOBR) ts),
haftmann@24219
   739
                str "->",
haftmann@24219
   740
                pr_term false vars NOBR t
haftmann@24219
   741
              ] end;
haftmann@24841
   742
            fun pr_eqs name ty [] =
haftmann@24841
   743
                  let
haftmann@24841
   744
                    val n = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24992
   745
                    val exc_str =
haftmann@24992
   746
                      (ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name;
haftmann@24841
   747
                  in
haftmann@24841
   748
                    concat (
haftmann@24841
   749
                      map str (replicate n "_")
haftmann@24841
   750
                      @ str "="
haftmann@24841
   751
                      :: str "failwith"
haftmann@24992
   752
                      @@ str exc_str
haftmann@24841
   753
                    )
haftmann@24841
   754
                  end
haftmann@24841
   755
              | pr_eqs _ _ [(ts, t)] =
haftmann@24219
   756
                  let
haftmann@24219
   757
                    val consts = map_filter
haftmann@24219
   758
                      (fn c => if (is_some o const_syntax) c
haftmann@24219
   759
                        then NONE else (SOME o NameSpace.base o deresolv) c)
haftmann@24219
   760
                        ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@24219
   761
                    val vars = init_syms
haftmann@24219
   762
                      |> CodeName.intro_vars consts
haftmann@24219
   763
                      |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
   764
                          (insert (op =)) ts []);
haftmann@24219
   765
                  in
haftmann@24219
   766
                    concat (
haftmann@24219
   767
                      map (pr_term true vars BR) ts
haftmann@24219
   768
                      @ str "="
haftmann@24219
   769
                      @@ pr_term false vars NOBR t
haftmann@24219
   770
                    )
haftmann@24219
   771
                  end
haftmann@24841
   772
              | pr_eqs _ _ (eqs as (eq as ([_], _)) :: eqs') =
haftmann@24219
   773
                  Pretty.block (
haftmann@24219
   774
                    str "="
haftmann@24219
   775
                    :: Pretty.brk 1
haftmann@24219
   776
                    :: str "function"
haftmann@24219
   777
                    :: Pretty.brk 1
haftmann@24219
   778
                    :: pr_eq eq
haftmann@24992
   779
                    :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@24992
   780
                          o single o pr_eq) eqs'
haftmann@24219
   781
                  )
haftmann@24841
   782
              | pr_eqs _ _ (eqs as eq :: eqs') =
haftmann@24219
   783
                  let
haftmann@24219
   784
                    val consts = map_filter
haftmann@24219
   785
                      (fn c => if (is_some o const_syntax) c
haftmann@24219
   786
                        then NONE else (SOME o NameSpace.base o deresolv) c)
haftmann@24992
   787
                        ((fold o CodeThingol.fold_constnames)
haftmann@24992
   788
                          (insert (op =)) (map snd eqs) []);
haftmann@24219
   789
                    val vars = init_syms
haftmann@24219
   790
                      |> CodeName.intro_vars consts;
haftmann@24219
   791
                    val dummy_parms = (map str o fish_parms vars o map fst) eqs;
haftmann@24219
   792
                  in
haftmann@24219
   793
                    Pretty.block (
haftmann@24219
   794
                      Pretty.breaks dummy_parms
haftmann@24219
   795
                      @ Pretty.brk 1
haftmann@24219
   796
                      :: str "="
haftmann@24219
   797
                      :: Pretty.brk 1
haftmann@24219
   798
                      :: str "match"
haftmann@24219
   799
                      :: Pretty.brk 1
haftmann@24219
   800
                      :: (Pretty.block o Pretty.commas) dummy_parms
haftmann@24219
   801
                      :: Pretty.brk 1
haftmann@24219
   802
                      :: str "with"
haftmann@24219
   803
                      :: Pretty.brk 1
haftmann@24219
   804
                      :: pr_eq eq
haftmann@24992
   805
                      :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1]
haftmann@24992
   806
                           o single o pr_eq) eqs'
haftmann@24219
   807
                    )
haftmann@24219
   808
                  end;
haftmann@24381
   809
            fun pr_funn definer (name, ((vs, ty), eqs)) =
haftmann@24219
   810
              concat (
haftmann@24219
   811
                str definer
haftmann@24219
   812
                :: (str o deresolv) name
haftmann@24219
   813
                :: pr_tyvars (filter_out (null o snd) vs)
haftmann@24841
   814
                @| pr_eqs name ty eqs
haftmann@24219
   815
              );
haftmann@24992
   816
            val (ps, p) = split_last
haftmann@24992
   817
              (pr_funn "let rec" funn :: map (pr_funn "and") funns');
haftmann@24219
   818
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
haftmann@24219
   819
     | pr_def (MLDatas (datas as (data :: datas'))) =
haftmann@24219
   820
          let
haftmann@24219
   821
            fun pr_co (co, []) =
haftmann@24219
   822
                  str (deresolv co)
haftmann@24219
   823
              | pr_co (co, tys) =
haftmann@24219
   824
                  concat [
haftmann@24219
   825
                    str (deresolv co),
haftmann@24219
   826
                    str "of",
haftmann@24219
   827
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
haftmann@24219
   828
                  ];
haftmann@24219
   829
            fun pr_data definer (tyco, (vs, [])) =
haftmann@24219
   830
                  concat (
haftmann@24219
   831
                    str definer
haftmann@24219
   832
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   833
                    :: str "="
haftmann@24219
   834
                    @@ str "EMPTY_"
haftmann@24219
   835
                  )
haftmann@24219
   836
              | pr_data definer (tyco, (vs, cos)) =
haftmann@24219
   837
                  concat (
haftmann@24219
   838
                    str definer
haftmann@24219
   839
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
haftmann@24219
   840
                    :: str "="
haftmann@24219
   841
                    :: separate (str "|") (map pr_co cos)
haftmann@24219
   842
                  );
haftmann@24992
   843
            val (ps, p) = split_last
haftmann@24992
   844
              (pr_data "type" data :: map (pr_data "and") datas');
haftmann@24219
   845
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
haftmann@24841
   846
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
haftmann@24219
   847
          let
haftmann@24219
   848
            val w = "_" ^ first_upper v;
haftmann@24219
   849
            fun pr_superclass_field (class, classrel) =
haftmann@24219
   850
              (concat o map str) [
haftmann@24219
   851
                deresolv classrel, ":", "'" ^ v, deresolv class
haftmann@24219
   852
              ];
haftmann@24841
   853
            fun pr_classparam_field (classparam, ty) =
haftmann@24219
   854
              concat [
haftmann@24841
   855
                (str o deresolv) classparam, str ":", pr_typ NOBR ty
haftmann@24219
   856
              ];
haftmann@24841
   857
            fun pr_classparam_proj (classparam, _) =
haftmann@24219
   858
              concat [
haftmann@24219
   859
                str "let",
haftmann@24841
   860
                (str o deresolv) classparam,
haftmann@24219
   861
                str w,
haftmann@24219
   862
                str "=",
haftmann@24841
   863
                str (w ^ "." ^ deresolv classparam ^ ";;")
haftmann@24219
   864
              ];
haftmann@24219
   865
          in Pretty.chunks (
haftmann@24219
   866
            concat [
haftmann@24219
   867
              str ("type '" ^ v),
haftmann@24219
   868
              (str o deresolv) class,
haftmann@24219
   869
              str "=",
haftmann@25771
   870
              enum_default "();;" ";" "{" "};;" (
haftmann@24992
   871
                map pr_superclass_field superclasses
haftmann@24992
   872
                @ map pr_classparam_field classparams
haftmann@24219
   873
              )
haftmann@24219
   874
            ]
haftmann@24841
   875
            :: map pr_classparam_proj classparams
haftmann@24219
   876
          ) end
haftmann@24841
   877
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
haftmann@24219
   878
          let
haftmann@24219
   879
            fun pr_superclass (_, (classrel, dss)) =
haftmann@24219
   880
              concat [
haftmann@24219
   881
                (str o deresolv) classrel,
haftmann@24219
   882
                str "=",
haftmann@24219
   883
                pr_dicts NOBR [DictConst dss]
haftmann@24219
   884
              ];
haftmann@24841
   885
            fun pr_classparam_inst (classparam, c_inst) =
haftmann@24591
   886
              concat [
haftmann@24841
   887
                (str o deresolv) classparam,
haftmann@24591
   888
                str "=",
haftmann@24591
   889
                pr_app false init_syms NOBR (c_inst, [])
haftmann@24591
   890
              ];
haftmann@24219
   891
          in
haftmann@24219
   892
            concat (
haftmann@24219
   893
              str "let"
haftmann@24219
   894
              :: (str o deresolv) inst
haftmann@24219
   895
              :: pr_tyvars arity
haftmann@24219
   896
              @ str "="
haftmann@24219
   897
              @@ (Pretty.enclose "(" ");;" o Pretty.breaks) [
haftmann@25771
   898
                enum_default "()" ";" "{" "}" (map pr_superclass superarities
haftmann@24992
   899
                  @ map pr_classparam_inst classparam_insts),
haftmann@24219
   900
                str ":",
haftmann@24219
   901
                pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
haftmann@24219
   902
              ]
haftmann@24219
   903
            )
haftmann@24219
   904
          end;
haftmann@24219
   905
  in pr_def ml_def end;
haftmann@24219
   906
haftmann@24219
   907
fun pr_ocaml_modl name content =
haftmann@24219
   908
  Pretty.chunks ([
haftmann@24219
   909
    str ("module " ^ name ^ " = "),
haftmann@24219
   910
    str "struct",
haftmann@24219
   911
    str ""
haftmann@24219
   912
  ] @ content @ [
haftmann@24219
   913
    str "",
haftmann@24219
   914
    str ("end;; (*struct " ^ name ^ "*)")
haftmann@24219
   915
  ]);
haftmann@24219
   916
haftmann@24992
   917
fun seri_ml pr_def pr_modl module output labelled_name reserved_syms includes raw_module_alias
haftmann@26113
   918
  (_ : string -> class_syntax option) tyco_syntax const_syntax cs code =
haftmann@24219
   919
  let
haftmann@24219
   920
    val module_alias = if is_some module then K module else raw_module_alias;
haftmann@24219
   921
    val is_cons = CodeThingol.is_cons code;
haftmann@24219
   922
    datatype node =
haftmann@24219
   923
        Def of string * ml_def option
haftmann@24219
   924
      | Module of string * ((Name.context * Name.context) * node Graph.T);
haftmann@24219
   925
    val init_names = Name.make_context reserved_syms;
haftmann@24219
   926
    val init_module = ((init_names, init_names), Graph.empty);
haftmann@24219
   927
    fun map_node [] f = f
haftmann@24219
   928
      | map_node (m::ms) f =
haftmann@24219
   929
          Graph.default_node (m, Module (m, init_module))
haftmann@24992
   930
          #> Graph.map_node m (fn (Module (dmodlname, (nsp, nodes))) =>
haftmann@24992
   931
               Module (dmodlname, (nsp, map_node ms f nodes)));
haftmann@24219
   932
    fun map_nsp_yield [] f (nsp, nodes) =
haftmann@24219
   933
          let
haftmann@24219
   934
            val (x, nsp') = f nsp
haftmann@24219
   935
          in (x, (nsp', nodes)) end
haftmann@24219
   936
      | map_nsp_yield (m::ms) f (nsp, nodes) =
haftmann@24219
   937
          let
haftmann@24219
   938
            val (x, nodes') =
haftmann@24219
   939
              nodes
haftmann@24219
   940
              |> Graph.default_node (m, Module (m, init_module))
haftmann@24219
   941
              |> Graph.map_node_yield m (fn Module (dmodlname, nsp_nodes) => 
haftmann@24219
   942
                  let
haftmann@24219
   943
                    val (x, nsp_nodes') = map_nsp_yield ms f nsp_nodes
haftmann@24219
   944
                  in (x, Module (dmodlname, nsp_nodes')) end)
haftmann@24219
   945
          in (x, (nsp, nodes')) end;
haftmann@24219
   946
    val init_syms = CodeName.make_vars reserved_syms;
haftmann@24219
   947
    val name_modl = mk_modl_name_tab init_names NONE module_alias code;
haftmann@24219
   948
    fun name_def upper name nsp =
haftmann@24219
   949
      let
haftmann@24219
   950
        val (_, base) = dest_name name;
haftmann@24219
   951
        val base' = if upper then first_upper base else base;
haftmann@24219
   952
        val ([base''], nsp') = Name.variants [base'] nsp;
haftmann@24219
   953
      in (base'', nsp') end;
haftmann@24219
   954
    fun map_nsp_fun f (nsp_fun, nsp_typ) =
haftmann@24219
   955
      let
haftmann@24219
   956
        val (x, nsp_fun') = f nsp_fun
haftmann@24219
   957
      in (x, (nsp_fun', nsp_typ)) end;
haftmann@24219
   958
    fun map_nsp_typ f (nsp_fun, nsp_typ) =
haftmann@24219
   959
      let
haftmann@24219
   960
        val (x, nsp_typ') = f nsp_typ
haftmann@24219
   961
      in (x, (nsp_fun, nsp_typ')) end;
haftmann@24219
   962
    fun mk_funs defs =
haftmann@24219
   963
      fold_map
haftmann@24219
   964
        (fn (name, CodeThingol.Fun info) =>
haftmann@24992
   965
              map_nsp_fun (name_def false name) >>
haftmann@24992
   966
                (fn base => (base, (name, (apsnd o map) fst info)))
haftmann@24992
   967
          | (name, def) =>
haftmann@24992
   968
              error ("Function block containing illegal definition: " ^ labelled_name name)
haftmann@24219
   969
        ) defs
haftmann@24219
   970
      >> (split_list #> apsnd MLFuns);
haftmann@24219
   971
    fun mk_datatype defs =
haftmann@24219
   972
      fold_map
haftmann@24219
   973
        (fn (name, CodeThingol.Datatype info) =>
haftmann@24219
   974
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
haftmann@24219
   975
          | (name, CodeThingol.Datatypecons _) =>
haftmann@24219
   976
              map_nsp_fun (name_def true name) >> (fn base => (base, NONE))
haftmann@24992
   977
          | (name, def) =>
haftmann@24992
   978
              error ("Datatype block containing illegal definition: " ^ labelled_name name)
haftmann@24219
   979
        ) defs
haftmann@24219
   980
      >> (split_list #> apsnd (map_filter I
haftmann@24992
   981
        #> (fn [] => error ("Datatype block without data definition: "
haftmann@24992
   982
                  ^ (commas o map (labelled_name o fst)) defs)
haftmann@24219
   983
             | infos => MLDatas infos)));
haftmann@24219
   984
    fun mk_class defs =
haftmann@24219
   985
      fold_map
haftmann@24219
   986
        (fn (name, CodeThingol.Class info) =>
haftmann@24219
   987
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
haftmann@24219
   988
          | (name, CodeThingol.Classrel _) =>
haftmann@24219
   989
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
haftmann@24841
   990
          | (name, CodeThingol.Classparam _) =>
haftmann@24219
   991
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
haftmann@24992
   992
          | (name, def) =>
haftmann@24992
   993
              error ("Class block containing illegal definition: " ^ labelled_name name)
haftmann@24219
   994
        ) defs
haftmann@24219
   995
      >> (split_list #> apsnd (map_filter I
haftmann@24992
   996
        #> (fn [] => error ("Class block without class definition: "
haftmann@24992
   997
                  ^ (commas o map (labelled_name o fst)) defs)
haftmann@24219
   998
             | [info] => MLClass info)));
haftmann@24219
   999
    fun mk_inst [(name, CodeThingol.Classinst info)] =
haftmann@24219
  1000
      map_nsp_fun (name_def false name)
haftmann@24591
  1001
      >> (fn base => ([base], MLClassinst (name, (apsnd o apsnd o map) fst info)));
haftmann@24219
  1002
    fun add_group mk defs nsp_nodes =
haftmann@24219
  1003
      let
haftmann@24219
  1004
        val names as (name :: names') = map fst defs;
haftmann@24219
  1005
        val deps =
haftmann@24219
  1006
          []
haftmann@24219
  1007
          |> fold (fold (insert (op =)) o Graph.imm_succs code) names
haftmann@24219
  1008
          |> subtract (op =) names;
haftmann@24219
  1009
        val (modls, _) = (split_list o map dest_name) names;
haftmann@24219
  1010
        val modl' = (the_single o distinct (op =) o map name_modl) modls
haftmann@24219
  1011
          handle Empty =>
haftmann@24811
  1012
            error ("Different namespace prefixes for mutual dependencies:\n"
haftmann@24811
  1013
              ^ commas (map labelled_name names)
haftmann@24811
  1014
              ^ "\n"
haftmann@24811
  1015
              ^ commas (map (NameSpace.qualifier o NameSpace.qualifier) names));
haftmann@24219
  1016
        val modl_explode = NameSpace.explode modl';
haftmann@24219
  1017
        fun add_dep name name'' =
haftmann@24219
  1018
          let
haftmann@24219
  1019
            val modl'' = (name_modl o fst o dest_name) name'';
haftmann@24219
  1020
          in if modl' = modl'' then
haftmann@24219
  1021
            map_node modl_explode
haftmann@24219
  1022
              (Graph.add_edge (name, name''))
haftmann@24219
  1023
          else let
haftmann@24219
  1024
            val (common, (diff1::_, diff2::_)) = chop_prefix (op =)
haftmann@24219
  1025
              (modl_explode, NameSpace.explode modl'');
haftmann@24219
  1026
          in
haftmann@24219
  1027
            map_node common
haftmann@24219
  1028
              (fn gr => Graph.add_edge_acyclic (diff1, diff2) gr
haftmann@24219
  1029
                handle Graph.CYCLES _ => error ("Dependency "
haftmann@24219
  1030
                  ^ quote name ^ " -> " ^ quote name''
haftmann@24219
  1031
                  ^ " would result in module dependency cycle"))
haftmann@24219
  1032
          end end;
haftmann@24219
  1033
      in
haftmann@24219
  1034
        nsp_nodes
haftmann@24219
  1035
        |> map_nsp_yield modl_explode (mk defs)
haftmann@24219
  1036
        |-> (fn (base' :: bases', def') =>
haftmann@24219
  1037
           apsnd (map_node modl_explode (Graph.new_node (name, (Def (base', SOME def')))
haftmann@24992
  1038
              #> fold2 (fn name' => fn base' =>
haftmann@24992
  1039
                   Graph.new_node (name', (Def (base', NONE)))) names' bases')))
haftmann@24219
  1040
        |> apsnd (fold (fn name => fold (add_dep name) deps) names)
haftmann@25538
  1041
        |> apsnd (fold_product (curry (map_node modl_explode o Graph.add_edge)) names names)
haftmann@24219
  1042
      end;
haftmann@24219
  1043
    fun group_defs [(_, CodeThingol.Bot)] =
haftmann@24219
  1044
          I
haftmann@24219
  1045
      | group_defs ((defs as (_, CodeThingol.Fun _)::_)) =
haftmann@24219
  1046
          add_group mk_funs defs
haftmann@24219
  1047
      | group_defs ((defs as (_, CodeThingol.Datatypecons _)::_)) =
haftmann@24219
  1048
          add_group mk_datatype defs
haftmann@24219
  1049
      | group_defs ((defs as (_, CodeThingol.Datatype _)::_)) =
haftmann@24219
  1050
          add_group mk_datatype defs
haftmann@24219
  1051
      | group_defs ((defs as (_, CodeThingol.Class _)::_)) =
haftmann@24219
  1052
          add_group mk_class defs
haftmann@24219
  1053
      | group_defs ((defs as (_, CodeThingol.Classrel _)::_)) =
haftmann@24219
  1054
          add_group mk_class defs
haftmann@24841
  1055
      | group_defs ((defs as (_, CodeThingol.Classparam _)::_)) =
haftmann@24219
  1056
          add_group mk_class defs
haftmann@24219
  1057
      | group_defs ((defs as [(_, CodeThingol.Classinst _)])) =
haftmann@24219
  1058
          add_group mk_inst defs
haftmann@24219
  1059
      | group_defs defs = error ("Illegal mutual dependencies: " ^
haftmann@24219
  1060
          (commas o map (labelled_name o fst)) defs)
haftmann@24219
  1061
    val (_, nodes) =
haftmann@24219
  1062
      init_module
haftmann@24219
  1063
      |> fold group_defs (map (AList.make (Graph.get_node code))
haftmann@24219
  1064
          (rev (Graph.strong_conn code)))
haftmann@24219
  1065
    fun deresolver prefix name = 
haftmann@24219
  1066
      let
haftmann@24219
  1067
        val modl = (fst o dest_name) name;
haftmann@24219
  1068
        val modl' = (NameSpace.explode o name_modl) modl;
haftmann@24219
  1069
        val (_, (_, remainder)) = chop_prefix (op =) (prefix, modl');
haftmann@24219
  1070
        val defname' =
haftmann@24219
  1071
          nodes
haftmann@24219
  1072
          |> fold (fn m => fn g => case Graph.get_node g m
haftmann@24219
  1073
              of Module (_, (_, g)) => g) modl'
haftmann@24219
  1074
          |> (fn g => case Graph.get_node g name of Def (defname, _) => defname);
haftmann@24219
  1075
      in
haftmann@24219
  1076
        NameSpace.implode (remainder @ [defname'])
haftmann@24219
  1077
      end handle Graph.UNDEF _ =>
haftmann@24219
  1078
        error ("Unknown definition name: " ^ labelled_name name);
haftmann@24219
  1079
    fun pr_node prefix (Def (_, NONE)) =
haftmann@24219
  1080
          NONE
haftmann@24219
  1081
      | pr_node prefix (Def (_, SOME def)) =
haftmann@24841
  1082
          SOME (pr_def tyco_syntax const_syntax labelled_name init_syms
haftmann@24219
  1083
            (deresolver prefix) is_cons def)
haftmann@24219
  1084
      | pr_node prefix (Module (dmodlname, (_, nodes))) =
haftmann@24992
  1085
          SOME (pr_modl dmodlname (
haftmann@24992
  1086
            separate (str "")
haftmann@24992
  1087
                ((map_filter (pr_node (prefix @ [dmodlname]) o Graph.get_node nodes)
haftmann@24219
  1088
                o rev o flat o Graph.strong_conn) nodes)));
haftmann@24992
  1089
    val p = Pretty.chunks (separate (str "") (map snd includes @ (map_filter
haftmann@26113
  1090
      (pr_node [] o Graph.get_node nodes) o rev o flat o Graph.strong_conn) nodes));
haftmann@26113
  1091
    val deresolv = try (deresolver (if is_some module then the_list module else []));
haftmann@26113
  1092
  in output (map_filter deresolv cs, p) end;
haftmann@24219
  1093
haftmann@24219
  1094
fun isar_seri_sml module file =
haftmann@24219
  1095
  let
haftmann@24219
  1096
    val output = case file
haftmann@26998
  1097
     of NONE => use_text (1, "generated code") Output.ml_output false o code_source
haftmann@26998
  1098
      | SOME "-" => code_writeln
haftmann@26998
  1099
      | SOME file => File.write (Path.explode file) o code_source;
haftmann@24219
  1100
  in
haftmann@24219
  1101
    parse_args (Scan.succeed ())
haftmann@26113
  1102
    #> (fn () => seri_ml pr_sml pr_sml_modl module (output o snd))
haftmann@24219
  1103
  end;
haftmann@24219
  1104
haftmann@26113
  1105
fun eval_seri module file args =
haftmann@26113
  1106
  seri_ml pr_sml (K Pretty.chunks) (SOME "Isabelle_Eval")
haftmann@26998
  1107
    (fn (cs, p) => "let\n" ^ code_source p ^ "\nin fn () => " ^ enclose "(" ")" (commas cs) ^ " end");
haftmann@26113
  1108
haftmann@24219
  1109
fun isar_seri_ocaml module file =
haftmann@24219
  1110
  let
haftmann@24219
  1111
    val output = case file
haftmann@24219
  1112
     of NONE => error "OCaml: no internal compilation"
haftmann@26998
  1113
      | SOME "-" => code_writeln
haftmann@26998
  1114
      | SOME file => File.write (Path.explode file) o code_source;
haftmann@24219
  1115
  in
haftmann@24219
  1116
    parse_args (Scan.succeed ())
haftmann@26113
  1117
    #> (fn () => seri_ml pr_ocaml pr_ocaml_modl module (output o snd))
haftmann@24219
  1118
  end;
haftmann@24219
  1119
haftmann@24219
  1120
haftmann@24219
  1121
(** Haskell serializer **)
haftmann@24219
  1122
haftmann@24219
  1123
local
haftmann@24219
  1124
haftmann@24219
  1125
fun pr_bind' ((NONE, NONE), _) = str "_"
haftmann@24219
  1126
  | pr_bind' ((SOME v, NONE), _) = str v
haftmann@24219
  1127
  | pr_bind' ((NONE, SOME p), _) = p
haftmann@24219
  1128
  | pr_bind' ((SOME v, SOME p), _) = brackets [str v, str "@", p]
haftmann@24219
  1129
haftmann@24219
  1130
val pr_bind_haskell = gen_pr_bind pr_bind';
haftmann@24219
  1131
haftmann@24219
  1132
in
haftmann@24219
  1133
haftmann@24841
  1134
fun pr_haskell class_syntax tyco_syntax const_syntax labelled_name
haftmann@25621
  1135
    init_syms deresolv_here deresolv is_cons contr_classparam_typs deriving_show def =
haftmann@24219
  1136
  let
haftmann@24219
  1137
    fun class_name class = case class_syntax class
haftmann@24219
  1138
     of NONE => deresolv class
haftmann@24219
  1139
      | SOME (class, _) => class;
haftmann@24841
  1140
    fun classparam_name class classparam = case class_syntax class
haftmann@24841
  1141
     of NONE => deresolv_here classparam
haftmann@24841
  1142
      | SOME (_, classparam_syntax) => case classparam_syntax classparam
haftmann@24841
  1143
         of NONE => (snd o dest_name) classparam
haftmann@25621
  1144
          | SOME classparam => classparam;
haftmann@25621
  1145
    fun pr_typcontext tyvars vs = case maps (fn (v, sort) => map (pair v) sort) vs
haftmann@25621
  1146
     of [] => []
haftmann@25621
  1147
      | classbinds => Pretty.enum "," "(" ")" (
haftmann@25621
  1148
          map (fn (v, class) =>
haftmann@25621
  1149
            str (class_name class ^ " " ^ CodeName.lookup_var tyvars v)) classbinds)
haftmann@25621
  1150
          @@ str " => ";
haftmann@25621
  1151
    fun pr_typforall tyvars vs = case map fst vs
haftmann@25621
  1152
     of [] => []
haftmann@25621
  1153
      | vnames => str "forall " :: Pretty.breaks
haftmann@25621
  1154
          (map (str o CodeName.lookup_var tyvars) vnames) @ str "." @@ Pretty.brk 1;
haftmann@24219
  1155
    fun pr_tycoexpr tyvars fxy (tyco, tys) =
haftmann@24219
  1156
      brackify fxy (str tyco :: map (pr_typ tyvars BR) tys)
haftmann@24219
  1157
    and pr_typ tyvars fxy (tycoexpr as tyco `%% tys) =
haftmann@24219
  1158
          (case tyco_syntax tyco
haftmann@24219
  1159
           of NONE =>
haftmann@24219
  1160
                pr_tycoexpr tyvars fxy (deresolv tyco, tys)
haftmann@24219
  1161
            | SOME (i, pr) =>
haftmann@24219
  1162
                if not (i = length tys)
haftmann@24219
  1163
                then error ("Number of argument mismatch in customary serialization: "
haftmann@24219
  1164
                  ^ (string_of_int o length) tys ^ " given, "
haftmann@24219
  1165
                  ^ string_of_int i ^ " expected")
haftmann@24219
  1166
                else pr (pr_typ tyvars) fxy tys)
haftmann@24219
  1167
      | pr_typ tyvars fxy (ITyVar v) =
haftmann@24219
  1168
          (str o CodeName.lookup_var tyvars) v;
haftmann@25621
  1169
    fun pr_typdecl tyvars (vs, tycoexpr) =
haftmann@25621
  1170
      Pretty.block (pr_typcontext tyvars vs @| pr_tycoexpr tyvars NOBR tycoexpr);
haftmann@24219
  1171
    fun pr_typscheme tyvars (vs, ty) =
haftmann@25621
  1172
      Pretty.block (pr_typforall tyvars vs @ pr_typcontext tyvars vs @| pr_typ tyvars NOBR ty);
haftmann@25621
  1173
    fun pr_term tyvars lhs vars fxy (IConst c) =
haftmann@25621
  1174
          pr_app tyvars lhs vars fxy (c, [])
haftmann@25621
  1175
      | pr_term tyvars lhs vars fxy (t as (t1 `$ t2)) =
haftmann@24219
  1176
          (case CodeThingol.unfold_const_app t
haftmann@25621
  1177
           of SOME app => pr_app tyvars lhs vars fxy app
haftmann@24219
  1178
            | _ =>
haftmann@24219
  1179
                brackify fxy [
haftmann@25621
  1180
                  pr_term tyvars lhs vars NOBR t1,
haftmann@25621
  1181
                  pr_term tyvars lhs vars BR t2
haftmann@24219
  1182
                ])
haftmann@25621
  1183
      | pr_term tyvars lhs vars fxy (IVar v) =
haftmann@24219
  1184
          (str o CodeName.lookup_var vars) v
haftmann@25621
  1185
      | pr_term tyvars lhs vars fxy (t as _ `|-> _) =
haftmann@24219
  1186
          let
haftmann@24219
  1187
            val (binds, t') = CodeThingol.unfold_abs t;
haftmann@25621
  1188
            fun pr ((v, pat), ty) = pr_bind tyvars BR ((SOME v, pat), ty);
haftmann@24219
  1189
            val (ps, vars') = fold_map pr binds vars;
haftmann@25621
  1190
          in brackets (str "\\" :: ps @ str "->" @@ pr_term tyvars lhs vars' NOBR t') end
haftmann@25621
  1191
      | pr_term tyvars lhs vars fxy (ICase (cases as (_, t0))) =
haftmann@24992
  1192
          (case CodeThingol.unfold_const_app t0
haftmann@24219
  1193
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
haftmann@25621
  1194
                then pr_case tyvars vars fxy cases
haftmann@25621
  1195
                else pr_app tyvars lhs vars fxy c_ts
haftmann@25621
  1196
            | NONE => pr_case tyvars vars fxy cases)
haftmann@25621
  1197
    and pr_app' tyvars lhs vars ((c, (_, tys)), ts) = case contr_classparam_typs c
haftmann@25621
  1198
     of [] => (str o deresolv) c :: map (pr_term tyvars lhs vars BR) ts
haftmann@25621
  1199
      | fingerprint => let
haftmann@25621
  1200
          val ts_fingerprint = ts ~~ curry Library.take (length ts) fingerprint;
haftmann@25621
  1201
          val needs_annotation = forall (fn (_, NONE) => true | (t, SOME _) =>
haftmann@25621
  1202
            (not o CodeThingol.locally_monomorphic) t) ts_fingerprint;
haftmann@25621
  1203
          fun pr_term_anno (t, NONE) _ = pr_term tyvars lhs vars BR t
haftmann@25621
  1204
            | pr_term_anno (t, SOME _) ty =
haftmann@25621
  1205
                brackets [pr_term tyvars lhs vars NOBR t, str "::", pr_typ tyvars NOBR ty];
haftmann@25621
  1206
        in
haftmann@25621
  1207
          if needs_annotation then
haftmann@25621
  1208
            (str o deresolv) c :: map2 pr_term_anno ts_fingerprint (curry Library.take (length ts) tys)
haftmann@25621
  1209
          else (str o deresolv) c :: map (pr_term tyvars lhs vars BR) ts
haftmann@25621
  1210
        end
haftmann@25621
  1211
    and pr_app tyvars lhs vars  = gen_pr_app (pr_app' tyvars) (pr_term tyvars) const_syntax
haftmann@24992
  1212
      labelled_name is_cons lhs vars
haftmann@25621
  1213
    and pr_bind tyvars = pr_bind_haskell (pr_term tyvars)
haftmann@25621
  1214
    and pr_case tyvars vars fxy (cases as ((_, [_]), _)) =
haftmann@24219
  1215
          let
haftmann@24219
  1216
            val (binds, t) = CodeThingol.unfold_let (ICase cases);
haftmann@24219
  1217
            fun pr ((pat, ty), t) vars =
haftmann@24219
  1218
              vars
haftmann@25621
  1219
              |> pr_bind tyvars BR ((NONE, SOME pat), ty)
haftmann@25621
  1220
              |>> (fn p => semicolon [p, str "=", pr_term tyvars false vars NOBR t])
haftmann@24219
  1221
            val (ps, vars') = fold_map pr binds vars;
haftmann@24219
  1222
          in
haftmann@24219
  1223
            Pretty.block_enclose (
haftmann@24219
  1224
              str "let {",
haftmann@25621
  1225
              concat [str "}", str "in", pr_term tyvars false vars' NOBR t]
haftmann@24219
  1226
            ) ps
haftmann@24219
  1227
          end
haftmann@25621
  1228
      | pr_case tyvars vars fxy (((td, ty), bs as _ :: _), _) =
haftmann@24219
  1229
          let
haftmann@24219
  1230
            fun pr (pat, t) =
haftmann@24219
  1231
              let
haftmann@25621
  1232
                val (p, vars') = pr_bind tyvars NOBR ((NONE, SOME pat), ty) vars;
haftmann@25621
  1233
              in semicolon [p, str "->", pr_term tyvars false vars' NOBR t] end;
haftmann@24219
  1234
          in
haftmann@24219
  1235
            Pretty.block_enclose (
haftmann@25621
  1236
              concat [str "(case", pr_term tyvars false vars NOBR td, str "of", str "{"],
haftmann@24219
  1237
              str "})"
haftmann@24219
  1238
            ) (map pr bs)
haftmann@24219
  1239
          end
haftmann@25621
  1240
      | pr_case tyvars vars fxy ((_, []), _) = str "error \"empty case\"";
haftmann@24841
  1241
    fun pr_def (name, CodeThingol.Fun ((vs, ty), [])) =
haftmann@24841
  1242
          let
haftmann@24841
  1243
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24841
  1244
            val n = (length o fst o CodeThingol.unfold_fun) ty;
haftmann@24841
  1245
          in
haftmann@24841
  1246
            Pretty.chunks [
haftmann@24841
  1247
              Pretty.block [
haftmann@24841
  1248
                (str o suffix " ::" o deresolv_here) name,
haftmann@24841
  1249
                Pretty.brk 1,
haftmann@24841
  1250
                pr_typscheme tyvars (vs, ty),
haftmann@24841
  1251
                str ";"
haftmann@24841
  1252
              ],
haftmann@24841
  1253
              concat (
haftmann@24841
  1254
                (str o deresolv_here) name
haftmann@24841
  1255
                :: map str (replicate n "_")
haftmann@24841
  1256
                @ str "="
haftmann@24841
  1257
                :: str "error"
haftmann@24992
  1258
                @@ (str o (fn s => s ^ ";") o ML_Syntax.print_string
haftmann@24992
  1259
                    o NameSpace.base o NameSpace.qualifier) name
haftmann@24841
  1260
              )
haftmann@24841
  1261
            ]
haftmann@24841
  1262
          end
haftmann@24841
  1263
      | pr_def (name, CodeThingol.Fun ((vs, ty), eqs)) =
haftmann@24219
  1264
          let
haftmann@24219
  1265
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24591
  1266
            fun pr_eq ((ts, t), _) =
haftmann@24219
  1267
              let
haftmann@24219
  1268
                val consts = map_filter
haftmann@24219
  1269
                  (fn c => if (is_some o const_syntax) c
haftmann@24219
  1270
                    then NONE else (SOME o NameSpace.base o deresolv) c)
haftmann@24219
  1271
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
haftmann@24219
  1272
                val vars = init_syms
haftmann@24219
  1273
                  |> CodeName.intro_vars consts
haftmann@24219
  1274
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
haftmann@24219
  1275
                       (insert (op =)) ts []);
haftmann@24219
  1276
              in
haftmann@24219
  1277
                semicolon (
haftmann@24219
  1278
                  (str o deresolv_here) name
haftmann@25621
  1279
                  :: map (pr_term tyvars true vars BR) ts
haftmann@24219
  1280
                  @ str "="
haftmann@25621
  1281
                  @@ pr_term tyvars false vars NOBR t
haftmann@24219
  1282
                )
haftmann@24219
  1283
              end;
haftmann@24219
  1284
          in
haftmann@24219
  1285
            Pretty.chunks (
haftmann@24219
  1286
              Pretty.block [
haftmann@24219
  1287
                (str o suffix " ::" o deresolv_here) name,
haftmann@24219
  1288
                Pretty.brk 1,
haftmann@24219
  1289
                pr_typscheme tyvars (vs, ty),
haftmann@24219
  1290
                str ";"
haftmann@24219
  1291
              ]
haftmann@24219
  1292
              :: map pr_eq eqs
haftmann@24219
  1293
            )
haftmann@24219
  1294
          end
haftmann@24219
  1295
      | pr_def (name, CodeThingol.Datatype (vs, [])) =
haftmann@24219
  1296
          let
haftmann@24219
  1297
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1298
          in
haftmann@24219
  1299
            semicolon [
haftmann@24219
  1300
              str "data",
haftmann@25621
  1301
              pr_typdecl tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
haftmann@24219
  1302
            ]
haftmann@24219
  1303
          end
haftmann@24219
  1304
      | pr_def (name, CodeThingol.Datatype (vs, [(co, [ty])])) =
haftmann@24219
  1305
          let
haftmann@24219
  1306
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1307
          in
haftmann@24219
  1308
            semicolon (
haftmann@24219
  1309
              str "newtype"
haftmann@25621
  1310
              :: pr_typdecl tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
haftmann@24219
  1311
              :: str "="
haftmann@24219
  1312
              :: (str o deresolv_here) co
haftmann@24219
  1313
              :: pr_typ tyvars BR ty
haftmann@24219
  1314
              :: (if deriving_show name then [str "deriving (Read, Show)"] else [])
haftmann@24219
  1315
            )
haftmann@24219
  1316
          end
haftmann@24219
  1317
      | pr_def (name, CodeThingol.Datatype (vs, co :: cos)) =
haftmann@24219
  1318
          let
haftmann@24219
  1319
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24219
  1320
            fun pr_co (co, tys) =
haftmann@24219
  1321
              concat (
haftmann@24219
  1322
                (str o deresolv_here) co
haftmann@24219
  1323
                :: map (pr_typ tyvars BR) tys
haftmann@24219
  1324
              )
haftmann@24219
  1325
          in
haftmann@24219
  1326
            semicolon (
haftmann@24219
  1327
              str "data"
haftmann@25621
  1328
              :: pr_typdecl tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
haftmann@24219
  1329
              :: str "="
haftmann@24219
  1330
              :: pr_co co
haftmann@24219
  1331
              :: map ((fn p => Pretty.block [str "| ", p]) o pr_co) cos
haftmann@24219
  1332
              @ (if deriving_show name then [str "deriving (Read, Show)"] else [])
haftmann@24219
  1333
            )
haftmann@24219
  1334
          end
haftmann@24841
  1335
      | pr_def (name, CodeThingol.Class (v, (superclasses, classparams))) =
haftmann@24219
  1336
          let
haftmann@24219
  1337
            val tyvars = CodeName.intro_vars [v] init_syms;
haftmann@24841
  1338
            fun pr_classparam (classparam, ty) =
haftmann@24219
  1339
              semicolon [
haftmann@24841
  1340
                (str o classparam_name name) classparam,
haftmann@24219
  1341
                str "::",
haftmann@24219
  1342
                pr_typ tyvars NOBR ty
haftmann@24219
  1343
              ]
haftmann@24219
  1344
          in
haftmann@24219
  1345
            Pretty.block_enclose (
haftmann@24219
  1346
              Pretty.block [
haftmann@24219
  1347
                str "class ",
haftmann@25621
  1348
                Pretty.block (pr_typcontext tyvars [(v, map fst superclasses)]),
haftmann@24219
  1349
                str (deresolv_here name ^ " " ^ CodeName.lookup_var tyvars v),
haftmann@24219
  1350
                str " where {"
haftmann@24219
  1351
              ],
haftmann@24219
  1352
              str "};"
haftmann@24841
  1353
            ) (map pr_classparam classparams)
haftmann@24219
  1354
          end
haftmann@24841
  1355
      | pr_def (_, CodeThingol.Classinst ((class, (tyco, vs)), (_, classparam_insts))) =
haftmann@24219
  1356
          let
haftmann@24219
  1357
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
haftmann@24841
  1358
            fun pr_instdef ((classparam, c_inst), _) =
haftmann@24591
  1359
              semicolon [
haftmann@24841
  1360
                (str o classparam_name class) classparam,
haftmann@24591
  1361
                str "=",
haftmann@25621
  1362
                pr_app tyvars false init_syms NOBR (c_inst, [])
haftmann@24591
  1363
              ];
haftmann@24219
  1364
          in
haftmann@24219
  1365
            Pretty.block_enclose (
haftmann@24219
  1366
              Pretty.block [
haftmann@24219
  1367
                str "instance ",
haftmann@25621
  1368
                Pretty.block (pr_typcontext tyvars vs),
haftmann@24219
  1369
                str (class_name class ^ " "),
haftmann@24219
  1370
                pr_typ tyvars BR (tyco `%% map (ITyVar o fst) vs),
haftmann@24219
  1371
                str " where {"
haftmann@24219
  1372
              ],
haftmann@24219
  1373
              str "};"
haftmann@24841
  1374
            ) (map pr_instdef classparam_insts)
haftmann@24219
  1375
          end;
haftmann@24219
  1376
  in pr_def def end;
haftmann@24219
  1377
haftmann@24992
  1378
fun pretty_haskell_monad c_bind =
haftmann@24219
  1379
  let
haftmann@24219
  1380
    fun pretty pr vars fxy [(t, _)] =
haftmann@24219
  1381
      let
haftmann@24284
  1382
        val pr_bind = pr_bind_haskell (K pr);
haftmann@24992
  1383
        fun pr_monad (NONE, t) vars =
haftmann@24219
  1384
              (semicolon [pr vars NOBR t], vars)
haftmann@24992
  1385
          | pr_monad (SOME (bind, true), t) vars = vars
haftmann@24219
  1386
              |> pr_bind NOBR bind
haftmann@24219
  1387
              |>> (fn p => semicolon [p, str "<-", pr vars NOBR t])
haftmann@24992
  1388
          | pr_monad (SOME (bind, false), t) vars = vars
haftmann@24219
  1389
              |> pr_bind NOBR bind
haftmann@24219
  1390
              |>> (fn p => semicolon [str "let", p, str "=", pr vars NOBR t]);
haftmann@24992
  1391
        val (binds, t) = implode_monad c_bind t;
haftmann@24992
  1392
        val (ps, vars') = fold_map pr_monad binds vars;
haftmann@26010
  1393
        fun brack p = if fixity BR fxy then Pretty.block [str "(", p, str ")"] else p;
haftmann@24219
  1394
      in (brack o Pretty.block_enclose (str "do {", str "}")) (ps @| pr vars' NOBR t) end;
haftmann@24219
  1395
  in (1, pretty) end;
haftmann@24219
  1396
haftmann@24219
  1397
end; (*local*)
haftmann@24219
  1398
haftmann@24219
  1399
fun seri_haskell module_prefix module destination string_classes labelled_name
haftmann@24992
  1400
    reserved_syms includes raw_module_alias
haftmann@26113
  1401
    class_syntax tyco_syntax const_syntax cs code =
haftmann@24219
  1402
  let
haftmann@24219
  1403
    val _ = Option.map File.check destination;
haftmann@24219
  1404
    val is_cons = CodeThingol.is_cons code;
haftmann@25621
  1405
    val contr_classparam_typs = CodeThingol.contr_classparam_typs code;
haftmann@24219
  1406
    val module_alias = if is_some module then K module else raw_module_alias;
haftmann@24219
  1407
    val init_names = Name.make_context reserved_syms;
haftmann@24219
  1408
    val name_modl = mk_modl_name_tab init_names module_prefix module_alias code;
haftmann@24219
  1409
    fun add_def (name, (def, deps)) =
haftmann@24219
  1410
      let
haftmann@24219
  1411
        val (modl, base) = dest_name name;
haftmann@25147
  1412
        val name_def = yield_singleton Name.variants;
haftmann@24219
  1413
        fun add_fun upper (nsp_fun, nsp_typ) =
haftmann@24219
  1414
          let
haftmann@24992
  1415
            val (base', nsp_fun') =
haftmann@24992
  1416
              name_def (if upper then first_upper base else base) nsp_fun
haftmann@24219
  1417
          in (base', (nsp_fun', nsp_typ)) end;
haftmann@24219
  1418
        fun add_typ (nsp_fun, nsp_typ) =
haftmann@24219
  1419
          let
haftmann@24219
  1420
            val (base', nsp_typ') = name_def (first_upper base) nsp_typ
haftmann@24219
  1421
          in (base', (nsp_fun, nsp_typ')) end;
haftmann@24219
  1422
        val add_name =
haftmann@24219
  1423
          case def
haftmann@24219
  1424
           of CodeThingol.Bot => pair base
haftmann@24219
  1425
            | CodeThingol.Fun _ => add_fun false
haftmann@24219
  1426
            | CodeThingol.Datatype _ => add_typ
haftmann@24219
  1427
            | CodeThingol.Datatypecons _ => add_fun true
haftmann@24219
  1428
            | CodeThingol.Class _ => add_typ
haftmann@24219
  1429
            | CodeThingol.Classrel _ => pair base
haftmann@24841
  1430
            | CodeThingol.Classparam _ => add_fun false
haftmann@24219
  1431
            | CodeThingol.Classinst _ => pair base;
haftmann@24219
  1432
        val modlname' = name_modl modl;
haftmann@24219
  1433
        fun add_def base' =
haftmann@24219
  1434
          case def
haftmann@24219
  1435
           of CodeThingol.Bot => I
haftmann@24219
  1436
            | CodeThingol.Datatypecons _ =>
haftmann@24219
  1437
                cons (name, ((NameSpace.append modlname' base', base'), NONE))
haftmann@24219
  1438
            | CodeThingol.Classrel _ => I
haftmann@24841
  1439
            | CodeThingol.Classparam _ =>
haftmann@24219
  1440
                cons (name, ((NameSpace.append modlname' base', base'), NONE))
haftmann@24219
  1441
            | _ => cons (name, ((NameSpace.append modlname' base', base'), SOME def));
haftmann@24219
  1442
      in
haftmann@24219
  1443
        Symtab.map_default (modlname', ([], ([], (init_names, init_names))))
haftmann@24219
  1444
              (apfst (fold (insert (op = : string * string -> bool)) deps))
haftmann@24219
  1445
        #> `(fn code => add_name ((snd o snd o the o Symtab.lookup code) modlname'))
haftmann@24219
  1446
        #-> (fn (base', names) =>
haftmann@24219
  1447
              (Symtab.map_entry modlname' o apsnd) (fn (defs, _) =>
haftmann@24219
  1448
              (add_def base' defs, names)))
haftmann@24219
  1449
      end;
haftmann@24219
  1450
    val code' =
haftmann@24992
  1451
      fold add_def (AList.make (fn name =>
haftmann@24992
  1452
        (Graph.get_node code name, Graph.imm_succs code name))
haftmann@24219
  1453
        (Graph.strong_conn code |> flat)) Symtab.empty;
haftmann@24219
  1454
    val init_syms = CodeName.make_vars reserved_syms;
haftmann@24219
  1455
    fun deresolv name =
haftmann@24219
  1456
      (fst o fst o the o AList.lookup (op =) ((fst o snd o the
haftmann@24219
  1457
        o Symtab.lookup code') ((name_modl o fst o dest_name) name))) name
haftmann@24219
  1458
        handle Option => error ("Unknown definition name: " ^ labelled_name name);
haftmann@24219
  1459
    fun deresolv_here name =
haftmann@24219
  1460
      (snd o fst o the o AList.lookup (op =) ((fst o snd o the
haftmann@24219
  1461
        o Symtab.lookup code') ((name_modl o fst o dest_name) name))) name
haftmann@24219
  1462
        handle Option => error ("Unknown definition name: " ^ labelled_name name);
haftmann@24219
  1463
    fun deriving_show tyco =
haftmann@24219
  1464
      let
haftmann@24219
  1465
        fun deriv _ "fun" = false
haftmann@24219
  1466
          | deriv tycos tyco = member (op =) tycos tyco orelse
haftmann@24219
  1467
              case the_default CodeThingol.Bot (try (Graph.get_node code) tyco)
haftmann@24219
  1468
               of CodeThingol.Bot => true
haftmann@24219
  1469
                | CodeThingol.Datatype (_, cs) => forall (deriv' (tyco :: tycos))
haftmann@24219
  1470
                    (maps snd cs)
haftmann@24219
  1471
        and deriv' tycos (tyco `%% tys) = deriv tycos tyco
haftmann@24219
  1472
              andalso forall (deriv' tycos) tys
haftmann@24219
  1473
          | deriv' _ (ITyVar _) = true
haftmann@24219
  1474
      in deriv [] tyco end;
haftmann@24841
  1475
    fun seri_def qualified = pr_haskell class_syntax tyco_syntax
haftmann@24621
  1476
      const_syntax labelled_name init_syms
haftmann@24219
  1477
      deresolv_here (if qualified then deresolv else deresolv_here) is_cons
haftmann@25621
  1478
      contr_classparam_typs
haftmann@24219
  1479
      (if string_classes then deriving_show else K false);
haftmann@24992
  1480
    fun write_modulefile (SOME destination) modlname =
haftmann@24219
  1481
          let
haftmann@24219
  1482
            val filename = case modlname
haftmann@24219
  1483
             of "" => Path.explode "Main.hs"
haftmann@24992
  1484
              | _ => (Path.ext "hs" o Path.explode o implode o separate "/"
haftmann@24992
  1485
                    o NameSpace.explode) modlname;
haftmann@24219
  1486
            val pathname = Path.append destination filename;
haftmann@24219
  1487
            val _ = File.mkdir (Path.dir pathname);
haftmann@26998
  1488
          in File.write pathname o code_source end
haftmann@26998
  1489
      | write_modulefile NONE _ = code_writeln;
haftmann@24992
  1490
    fun write_module destination (modulename, content) =
haftmann@24992
  1491
      Pretty.chunks [
haftmann@24992
  1492
        str ("module " ^ modulename ^ " where {"),
haftmann@24992
  1493
        str "",
haftmann@24992
  1494
        content,
haftmann@24992
  1495
        str "",
haftmann@24992
  1496
        str "}"
haftmann@24992
  1497
      ]
haftmann@24992
  1498
      |> write_modulefile destination modulename;
haftmann@24219
  1499
    fun seri_module (modlname', (imports, (defs, _))) =
haftmann@24219
  1500
      let
haftmann@24219
  1501
        val imports' =
haftmann@24219
  1502
          imports
haftmann@24219
  1503
          |> map (name_modl o fst o dest_name)
haftmann@24219
  1504
          |> distinct (op =)
haftmann@24219
  1505
          |> remove (op =) modlname';
haftmann@24219
  1506
        val qualified =
haftmann@24423
  1507
          imports @ map fst defs
haftmann@25147
  1508
          |> distinct (op =)
haftmann@24219
  1509
          |> map_filter (try deresolv)
haftmann@24219
  1510
          |> map NameSpace.base
haftmann@24219
  1511
          |> has_duplicates (op =);
haftmann@24219
  1512
        val mk_import = str o (if qualified
haftmann@24219
  1513
          then prefix "import qualified "
haftmann@24219
  1514
          else prefix "import ") o suffix ";";
haftmann@24992
  1515
        fun import_include (name, _) = str ("import " ^ name ^ ";");
haftmann@24992
  1516
        val content = Pretty.chunks (
haftmann@24992
  1517
            map mk_import imports'
haftmann@24992
  1518
            @ map import_include includes
haftmann@24992
  1519
            @ str ""
haftmann@24992
  1520
            :: separate (str "") (map_filter
haftmann@24992
  1521
              (fn (name, (_, SOME def)) => SOME (seri_def qualified (name, def))
haftmann@24992
  1522
                | (_, (_, NONE)) => NONE) defs)
haftmann@24992
  1523
          )
haftmann@24219
  1524
      in
haftmann@24992
  1525
        write_module destination (modlname', content)
haftmann@24219
  1526
      end;
haftmann@24992
  1527
  in (
haftmann@24992
  1528
    map (write_module destination) includes;
haftmann@24992
  1529
    Symtab.fold (fn modl => fn () => seri_module modl) code' ()
haftmann@24992
  1530
  ) end;
haftmann@24219
  1531
haftmann@24219
  1532
fun isar_seri_haskell module file =
haftmann@24219
  1533
  let
haftmann@24219
  1534
    val destination = case file
haftmann@24219
  1535
     of NONE => error ("Haskell: no internal compilation")
haftmann@24219
  1536
      | SOME "-" => NONE
haftmann@24219
  1537
      | SOME file => SOME (Path.explode file)
haftmann@24219
  1538
  in
haftmann@24219
  1539
    parse_args (Scan.option (Args.$$$ "root" -- Args.colon |-- Args.name)
haftmann@24219
  1540
      -- Scan.optional (Args.$$$ "string_classes" >> K true) false
haftmann@24219
  1541
      >> (fn (module_prefix, string_classes) =>
haftmann@24219
  1542
        seri_haskell module_prefix module destination string_classes))
haftmann@24219
  1543
  end;
haftmann@24219
  1544
haftmann@24219
  1545
haftmann@24219
  1546
(** diagnosis serializer **)
haftmann@24219
  1547
haftmann@26113
  1548
fun seri_diagnosis labelled_name _ _ _ _ _ _ _ code =
haftmann@24219
  1549
  let
haftmann@24219
  1550
    val init_names = CodeName.make_vars [];
haftmann@24219
  1551
    fun pr_fun "fun" = SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@24219
  1552
          brackify_infix (1, R) fxy [
haftmann@24219
  1553
            pr_typ (INFX (1, X)) ty1,
haftmann@24219
  1554
            str "->",
haftmann@24219
  1555
            pr_typ (INFX (1, R)) ty2
haftmann@24219
  1556
          ])
haftmann@24219
  1557
      | pr_fun _ = NONE
haftmann@24992
  1558
    val pr = pr_haskell (K NONE) pr_fun (K NONE) labelled_name init_names
haftmann@25621
  1559
      I I (K false) (K []) (K false);
haftmann@24219
  1560
  in
haftmann@24219
  1561
    []
haftmann@24992
  1562
    |> Graph.fold (fn (name, (def, _)) =>
haftmann@24992
  1563
          case try pr (name, def) of SOME p => cons p | NONE => I) code
haftmann@24219
  1564
    |> Pretty.chunks2
haftmann@26998
  1565
    |> code_writeln
haftmann@24219
  1566
  end;
haftmann@24219
  1567
haftmann@24219
  1568
haftmann@24219
  1569
haftmann@24219
  1570
(** theory data **)
haftmann@24219
  1571
haftmann@24219
  1572
datatype syntax_expr = SyntaxExpr of {
haftmann@24219
  1573
  class: (string * (string -> string option)) Symtab.table,
haftmann@24219
  1574
  inst: unit Symtab.table,
haftmann@24219
  1575
  tyco: typ_syntax Symtab.table,
haftmann@24219
  1576
  const: term_syntax Symtab.table
haftmann@24219
  1577
};
haftmann@24219
  1578
haftmann@24219
  1579
fun mk_syntax_expr ((class, inst), (tyco, const)) =
haftmann@24219
  1580
  SyntaxExpr { class = class, inst = inst, tyco = tyco, const = const };
haftmann@24219
  1581
fun map_syntax_expr f (SyntaxExpr { class, inst, tyco, const }) =
haftmann@24219
  1582
  mk_syntax_expr (f ((class, inst), (tyco, const)));
haftmann@24219
  1583
fun merge_syntax_expr (SyntaxExpr { class = class1, inst = inst1, tyco = tyco1, const = const1 },
haftmann@24219
  1584
    SyntaxExpr { class = class2, inst = inst2, tyco = tyco2, const = const2 }) =
haftmann@24219
  1585
  mk_syntax_expr (
haftmann@24219
  1586
    (Symtab.join (K snd) (class1, class2),
haftmann@24219
  1587
       Symtab.join (K snd) (inst1, inst2)),
haftmann@24219
  1588
    (Symtab.join (K snd) (tyco1, tyco2),
haftmann@24219
  1589
       Symtab.join (K snd) (const1, const2))
haftmann@24219
  1590
  );
haftmann@24219
  1591
haftmann@26113
  1592
type 'a gen_serializer =
haftmann@24219
  1593
  string option
haftmann@24219
  1594
  -> string option
haftmann@24219
  1595
  -> Args.T list
haftmann@24219
  1596
  -> (string -> string)
haftmann@24219
  1597
  -> string list
haftmann@24992
  1598
  -> (string * Pretty.T) list
haftmann@24219
  1599
  -> (string -> string option)
haftmann@24219
  1600
  -> (string -> class_syntax option)
haftmann@24219
  1601
  -> (string -> typ_syntax option)
haftmann@24219
  1602
  -> (string -> term_syntax option)
haftmann@26113
  1603
  -> string list -> CodeThingol.code -> 'a;
haftmann@26113
  1604
haftmann@26113
  1605
type serializer = unit gen_serializer;
haftmann@24219
  1606
haftmann@24219
  1607
datatype target = Target of {
haftmann@24219
  1608
  serial: serial,
haftmann@24219
  1609
  serializer: serializer,
haftmann@24841
  1610
  reserved: string list,
haftmann@24992
  1611
  includes: Pretty.T Symtab.table,
haftmann@24219
  1612
  syntax_expr: syntax_expr,
haftmann@24992
  1613
  module_alias: string Symtab.table
haftmann@24219
  1614
};
haftmann@24219
  1615
haftmann@24992
  1616
fun mk_target ((serial, serializer), ((reserved, includes), (syntax_expr, module_alias))) =
haftmann@24992
  1617
  Target { serial = serial, serializer = serializer, reserved = reserved, 
haftmann@24992
  1618
    includes = includes, syntax_expr = syntax_expr, module_alias = module_alias };
haftmann@24992
  1619
fun map_target f ( Target { serial, serializer, reserved, includes, syntax_expr, module_alias } ) =
haftmann@24992
  1620
  mk_target (f ((serial, serializer), ((reserved, includes), (syntax_expr, module_alias))));
haftmann@24992
  1621
fun merge_target target (Target { serial = serial1, serializer = serializer,
haftmann@24992
  1622
  reserved = reserved1, includes = includes1,
haftmann@24992
  1623
  syntax_expr = syntax_expr1, module_alias = module_alias1 },
haftmann@24992
  1624
    Target { serial = serial2, serializer = _,
haftmann@24992
  1625
      reserved = reserved2, includes = includes2,
haftmann@24992
  1626
      syntax_expr = syntax_expr2, module_alias = module_alias2 }) =
haftmann@24219
  1627
  if serial1 = serial2 then
haftmann@24992
  1628
    mk_target ((serial1, serializer),
haftmann@24992
  1629
      ((merge (op =) (reserved1, reserved2), Symtab.merge (op =) (includes1, includes2)),
haftmann@24992
  1630
        (merge_syntax_expr (syntax_expr1, syntax_expr2),
haftmann@24992
  1631
          Symtab.join (K snd) (module_alias1, module_alias2))
haftmann@24219
  1632
    ))
haftmann@24219
  1633
  else
haftmann@24219
  1634
    error ("Incompatible serializers: " ^ quote target);
haftmann@24219
  1635
haftmann@24219
  1636
structure CodeTargetData = TheoryDataFun
haftmann@24219
  1637
(
haftmann@24841
  1638
  type T = target Symtab.table * string list;
haftmann@24841
  1639
  val empty = (Symtab.empty, []);
haftmann@24219
  1640
  val copy = I;
haftmann@24219
  1641
  val extend = I;
haftmann@24992
  1642
  fun merge _ ((target1, exc1) : T, (target2, exc2)) =
haftmann@24841
  1643
    (Symtab.join merge_target (target1, target2), Library.merge (op =) (exc1, exc2));
haftmann@24219
  1644
);
haftmann@24219
  1645
haftmann@24992
  1646
val target_SML = "SML";
haftmann@24992
  1647
val target_OCaml = "OCaml";
haftmann@24992
  1648
val target_Haskell = "Haskell";
haftmann@24992
  1649
val target_diag = "diag";
haftmann@24992
  1650
haftmann@24219
  1651
fun the_serializer (Target { serializer, ... }) = serializer;
haftmann@24219
  1652
fun the_reserved (Target { reserved, ... }) = reserved;
haftmann@24992
  1653
fun the_includes (Target { includes, ... }) = includes;
haftmann@24219
  1654
fun the_syntax_expr (Target { syntax_expr = SyntaxExpr x, ... }) = x;
haftmann@24992
  1655
fun the_module_alias (Target { module_alias , ... }) = module_alias;
haftmann@24219
  1656
haftmann@24219
  1657
fun assert_serializer thy target =
haftmann@24841
  1658
  case Symtab.lookup (fst (CodeTargetData.get thy)) target
haftmann@24219
  1659
   of SOME data => target
haftmann@24219
  1660
    | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@24219
  1661
haftmann@24219
  1662
fun add_serializer (target, seri) thy =
haftmann@24219
  1663
  let
haftmann@24841
  1664
    val _ = case Symtab.lookup (fst (CodeTargetData.get thy)) target
haftmann@24219
  1665
     of SOME _ => warning ("overwriting existing serializer " ^ quote target)
haftmann@24219
  1666
      | NONE => ();
haftmann@24219
  1667
  in
haftmann@24219
  1668
    thy
haftmann@24841
  1669
    |> (CodeTargetData.map o apfst oo Symtab.map_default)
haftmann@24992
  1670
          (target, mk_target ((serial (), seri), (([], Symtab.empty),
haftmann@24219
  1671
            (mk_syntax_expr ((Symtab.empty, Symtab.empty), (Symtab.empty, Symtab.empty)),
haftmann@24992
  1672
              Symtab.empty))))
haftmann@24992
  1673
          ((map_target o apfst o apsnd o K) seri)
haftmann@24219
  1674
  end;
haftmann@24219
  1675
haftmann@24219
  1676
fun map_seri_data target f thy =
haftmann@24219
  1677
  let
haftmann@24219
  1678
    val _ = assert_serializer thy target;
haftmann@24219
  1679
  in
haftmann@24219
  1680
    thy
haftmann@24841
  1681
    |> (CodeTargetData.map o apfst o Symtab.map_entry target o map_target) f
haftmann@24219
  1682
  end;
haftmann@24219
  1683
haftmann@24992
  1684
fun map_adaptions target =
haftmann@24992
  1685
  map_seri_data target o apsnd o apfst;
haftmann@24992
  1686
fun map_syntax_exprs target =
haftmann@24992
  1687
  map_seri_data target o apsnd o apsnd o apfst o map_syntax_expr;
haftmann@24992
  1688
fun map_module_alias target =
haftmann@24992
  1689
  map_seri_data target o apsnd o apsnd o apsnd;
haftmann@24219
  1690
haftmann@26113
  1691
fun gen_get_serializer get_seri thy target permissive =
haftmann@24219
  1692
  let
haftmann@24841
  1693
    val (seris, exc) = CodeTargetData.get thy;
haftmann@24841
  1694
    val data = case Symtab.lookup seris target
haftmann@24219
  1695
     of SOME data => data
haftmann@24219
  1696
      | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@26113
  1697
    val seri = get_seri data;
haftmann@24219
  1698
    val reserved = the_reserved data;
haftmann@24992
  1699
    val includes = Symtab.dest (the_includes data);
haftmann@24992
  1700
    val alias = the_module_alias data;
haftmann@24219
  1701
    val { class, inst, tyco, const } = the_syntax_expr data;
haftmann@26113
  1702
    val project = if target = target_diag then K I
haftmann@24219
  1703
      else CodeThingol.project_code permissive
haftmann@26113
  1704
        (Symtab.keys class @ Symtab.keys inst @ Symtab.keys tyco @ Symtab.keys const);
haftmann@26113
  1705
    fun check_empty_funs code = case filter_out (member (op =) exc)
haftmann@26113
  1706
        (CodeThingol.empty_funs code)
haftmann@24219
  1707
     of [] => code
haftmann@24992
  1708
      | names => error ("No defining equations for "
haftmann@24992
  1709
          ^ commas (map (CodeName.labelled_name thy) names));
haftmann@26113
  1710
  in fn module => fn file => fn args => fn cs => fn code =>
haftmann@26113
  1711
    code
haftmann@26113
  1712
    |> project cs
haftmann@26113
  1713
    |> check_empty_funs
haftmann@26113
  1714
    |> seri module file args (CodeName.labelled_name thy) reserved includes
haftmann@26113
  1715
        (Symtab.lookup alias) (Symtab.lookup class)
haftmann@26113
  1716
        (Symtab.lookup tyco) (Symtab.lookup const) (these cs)
haftmann@24219
  1717
  end;
haftmann@24219
  1718
haftmann@26113
  1719
val get_serializer = gen_get_serializer the_serializer;
haftmann@26113
  1720
fun sml_of thy cs = gen_get_serializer (K eval_seri) thy target_SML false NONE NONE [] (SOME cs);
haftmann@26113
  1721
haftmann@26010
  1722
fun eval thy (ref_name, reff) code (t, ty) args =
haftmann@24219
  1723
  let
haftmann@24662
  1724
    val _ = if CodeThingol.contains_dictvar t then
haftmann@24662
  1725
      error "Term to be evaluated constains free dictionaries" else ();
haftmann@26010
  1726
    val code' = CodeThingol.add_value_stmt (t, ty) code;
haftmann@26113
  1727
    val value_code = sml_of thy [CodeName.value_name] code';
haftmann@26113
  1728
    val sml_code = space_implode " " (value_code :: "()" :: map (enclose "(" ")") args);
haftmann@26113
  1729
  in ML_Context.evaluate Output.ml_output false (ref_name, reff) sml_code end;
haftmann@24219
  1730
haftmann@24219
  1731
haftmann@24219
  1732
haftmann@24219
  1733
(** optional pretty serialization **)
haftmann@24219
  1734
haftmann@24219
  1735
local
haftmann@24219
  1736
haftmann@26448
  1737
fun ocaml_char c =
haftmann@26448
  1738
  let
haftmann@26448
  1739
    fun chr i =
haftmann@26448
  1740
      let
haftmann@26448
  1741
        val xs = string_of_int i;
haftmann@26448
  1742
        val ys = replicate_string (3 - length (explode xs)) "0";
haftmann@26448
  1743
      in "\\" ^ ys ^ xs end;
haftmann@26448
  1744
    val i = ord c;
haftmann@26448
  1745
    val s = if i < 32 orelse i = 34 orelse i = 39 orelse i = 92 orelse i > 126
haftmann@26448
  1746
      then chr i else c
haftmann@26448
  1747
  in s end;
haftmann@26448
  1748
haftmann@26448
  1749
fun haskell_char c =
haftmann@26448
  1750
  let
haftmann@26448
  1751
    val s = ML_Syntax.print_char c;
haftmann@26448
  1752
  in if s = "'" then "\\'" else s end;
haftmann@26448
  1753
haftmann@24219
  1754
val pretty : (string * {
haftmann@24219
  1755
    pretty_char: string -> string,
haftmann@24219
  1756
    pretty_string: string -> string,
wenzelm@24630
  1757
    pretty_numeral: bool -> int -> string,
haftmann@24219
  1758
    pretty_list: Pretty.T list -> Pretty.T,
haftmann@24219
  1759
    infix_cons: int * string
haftmann@24219
  1760
  }) list = [
haftmann@24219
  1761
  ("SML", { pretty_char = prefix "#" o quote o ML_Syntax.print_char,
haftmann@26448
  1762
      pretty_string = quote o translate_string ML_Syntax.print_char,
haftmann@24219
  1763
      pretty_numeral = fn unbounded => fn k =>
haftmann@24750
  1764
        if unbounded then "(" ^ string_of_int k ^ " : IntInf.int)"
wenzelm@24630
  1765
        else string_of_int k,
haftmann@24219
  1766
      pretty_list = Pretty.enum "," "[" "]",
haftmann@24219
  1767
      infix_cons = (7, "::")}),
haftmann@26448
  1768
  ("OCaml", { pretty_char = enclose "'" "'" o ocaml_char,
haftmann@26448
  1769
      pretty_string = quote o translate_string ocaml_char,
wenzelm@24630
  1770
      pretty_numeral = fn unbounded => fn k => if k >= 0 then
haftmann@24219
  1771
            if unbounded then
wenzelm@24630
  1772
              "(Big_int.big_int_of_int " ^ string_of_int k ^ ")"
wenzelm@24630
  1773
            else string_of_int k
haftmann@24219
  1774
          else
haftmann@24219
  1775
            if unbounded then
haftmann@24219
  1776
              "(Big_int.big_int_of_int " ^ (enclose "(" ")" o prefix "-"
wenzelm@24630
  1777
                o string_of_int o op ~) k ^ ")"
wenzelm@24630
  1778
            else (enclose "(" ")" o prefix "-" o string_of_int o op ~) k,
haftmann@24219
  1779
      pretty_list = Pretty.enum ";" "[" "]",
haftmann@24219
  1780
      infix_cons = (6, "::")}),
haftmann@26448
  1781
  ("Haskell", { pretty_char = enclose "'" "'" o haskell_char,
haftmann@26448
  1782
      pretty_string = quote o translate_string haskell_char,
wenzelm@24630
  1783
      pretty_numeral = fn unbounded => fn k => if k >= 0 then string_of_int k
wenzelm@24630
  1784
          else enclose "(" ")" (signed_string_of_int k),
haftmann@24219
  1785
      pretty_list = Pretty.enum "," "[" "]",
haftmann@24219
  1786
      infix_cons = (5, ":")})
haftmann@24219
  1787
];
haftmann@24219
  1788
haftmann@24219
  1789
in
haftmann@24219
  1790
haftmann@24219
  1791
fun pr_pretty target = case AList.lookup (op =) pretty target
haftmann@24219
  1792
 of SOME x => x
haftmann@24219
  1793
  | NONE => error ("Unknown code target language: " ^ quote target);
haftmann@24219
  1794
haftmann@24219
  1795
fun default_list (target_fxy, target_cons) pr fxy t1 t2 =
haftmann@24219
  1796
  brackify_infix (target_fxy, R) fxy [
haftmann@24219
  1797
    pr (INFX (target_fxy, X)) t1,
haftmann@24219
  1798
    str target_cons,
haftmann@24219
  1799
    pr (INFX (target_fxy, R)) t2
haftmann@24219
  1800
  ];
haftmann@24219
  1801
haftmann@24219
  1802
fun pretty_list c_nil c_cons target =
haftmann@24219
  1803
  let
haftmann@24219
  1804
    val pretty_ops = pr_pretty target;
haftmann@24219
  1805
    val mk_list = #pretty_list pretty_ops;
haftmann@24219
  1806
    fun pretty pr vars fxy [(t1, _), (t2, _)] =
haftmann@24219
  1807
      case Option.map (cons t1) (implode_list c_nil c_cons t2)
haftmann@24219
  1808
       of SOME ts => mk_list (map (pr vars NOBR) ts)
haftmann@24219
  1809
        | NONE => default_list (#infix_cons pretty_ops) (pr vars) fxy t1 t2;
haftmann@24219
  1810
  in (2, pretty) end;
haftmann@24219
  1811
haftmann@24219
  1812
fun pretty_list_string c_nil c_cons c_char c_nibbles target =
haftmann@24219
  1813
  let
haftmann@24219
  1814
    val pretty_ops = pr_pretty target;
haftmann@24219
  1815
    val mk_list = #pretty_list pretty_ops;
haftmann@24219
  1816
    val mk_char = #pretty_char pretty_ops;
haftmann@24219
  1817
    val mk_string = #pretty_string pretty_ops;
haftmann@24219
  1818
    fun pretty pr vars fxy [(t1, _), (t2, _)] =
haftmann@24219
  1819
      case Option.map (cons t1) (implode_list c_nil c_cons t2)
haftmann@26448
  1820
       of SOME ts => (case implode_string c_char c_nibbles mk_char mk_string ts
haftmann@24219
  1821
           of SOME p => p
haftmann@26448
  1822
            | NONE => mk_list (map (pr vars NOBR) ts))
haftmann@24219
  1823
        | NONE => default_list (#infix_cons pretty_ops) (pr vars) fxy t1 t2;
haftmann@24219
  1824
  in (2, pretty) end;
haftmann@24219
  1825
haftmann@24219
  1826
fun pretty_char c_char c_nibbles target =
haftmann@24219
  1827
  let
haftmann@24219
  1828
    val mk_char = #pretty_char (pr_pretty target);
haftmann@24219
  1829
    fun pretty _ _ _ [(t1, _), (t2, _)] =
haftmann@24219
  1830
      case decode_char c_nibbles (t1, t2)
haftmann@24219
  1831
       of SOME c => (str o mk_char) c
haftmann@24219
  1832
        | NONE => error "Illegal character expression";
haftmann@24219
  1833
  in (2, pretty) end;
haftmann@24219
  1834
huffman@26086
  1835
fun pretty_numeral unbounded negative c_pls c_min c_bit0 c_bit1 target =
haftmann@24219
  1836
  let
haftmann@24219
  1837
    val mk_numeral = #pretty_numeral (pr_pretty target);
haftmann@24219
  1838
    fun pretty _ _ _ [(t, _)] =
huffman@26086
  1839
      (str o mk_numeral unbounded o implode_numeral negative c_pls c_min c_bit0 c_bit1) t;
haftmann@24219
  1840
  in (1, pretty) end;
haftmann@24219
  1841
haftmann@24992
  1842
fun pretty_message c_char c_nibbles c_nil c_cons target =
haftmann@24219
  1843
  let
haftmann@24219
  1844
    val pretty_ops = pr_pretty target;
haftmann@24219
  1845
    val mk_char = #pretty_char pretty_ops;
haftmann@24219
  1846
    val mk_string = #pretty_string pretty_ops;
haftmann@24219
  1847
    fun pretty pr vars fxy [(t, _)] =
haftmann@24219
  1848
      case implode_list c_nil c_cons t
haftmann@24219
  1849
       of SOME ts => (case implode_string c_char c_nibbles mk_char mk_string ts
haftmann@24219
  1850
           of SOME p => p
haftmann@24992
  1851
            | NONE => error "Illegal message expression")
haftmann@24992
  1852
        | NONE => error "Illegal message expression";
haftmann@24219
  1853
  in (1, pretty) end;
haftmann@24219
  1854
haftmann@26753
  1855
fun pretty_imperative_monad_bind bind' return' unit' =
haftmann@24219
  1856
  let
haftmann@26752
  1857
    val dummy_name = "";
haftmann@26752
  1858
    val dummy_type = ITyVar dummy_name;
haftmann@26752
  1859
    val dummy_case_term = IVar dummy_name;
haftmann@26752
  1860
    (*assumption: dummy values are not relevant for serialization*)
haftmann@26752
  1861
    val unitt = IConst (unit', ([], []));
haftmann@24702
  1862
    fun dest_abs ((v, ty) `|-> t, _) = ((v, ty), t)
haftmann@24702
  1863
      | dest_abs (t, ty) =
haftmann@24219
  1864
          let
haftmann@24702
  1865
            val vs = CodeThingol.fold_varnames cons t [];
haftmann@24219
  1866
            val v = Name.variant vs "x";
haftmann@24702
  1867
            val ty' = (hd o fst o CodeThingol.unfold_fun) ty;
haftmann@24702
  1868
          in ((v, ty'), t `$ IVar v) end;
haftmann@26753
  1869
    fun force (t as IConst (c, _) `$ t') = if c = return'
haftmann@26753
  1870
          then t' else t `$ unitt
haftmann@26753
  1871
      | force t = t `$ unitt;
haftmann@26752
  1872
    fun tr_bind' [(t1, _), (t2, ty2)] =
haftmann@24702
  1873
      let
haftmann@24702
  1874
        val ((v, ty), t) = dest_abs (t2, ty2);
haftmann@26753
  1875
      in ICase (((force t1, ty), [(IVar v, tr_bind'' t)]), dummy_case_term) end
haftmann@26753
  1876
    and tr_bind'' t = case CodeThingol.unfold_app t
haftmann@24702
  1877
         of (IConst (c, (_, ty1 :: ty2 :: _)), [x1, x2]) => if c = bind'
haftmann@26752
  1878
              then tr_bind' [(x1, ty1), (x2, ty2)]
haftmann@26753
  1879
              else force t
haftmann@26753
  1880
          | _ => force t;
haftmann@26752
  1881
    fun tr_bind ts = (dummy_name, dummy_type)
haftmann@26752
  1882
      `|-> ICase (((IVar dummy_name, dummy_type), [(unitt, tr_bind' ts)]), dummy_case_term);
haftmann@24702
  1883
    fun pretty pr vars fxy ts = pr vars fxy (tr_bind ts);
haftmann@24219
  1884
  in (2, pretty) end;
haftmann@24219
  1885
haftmann@24992
  1886
fun no_bindings x = (Option.map o apsnd)
haftmann@24992
  1887
  (fn pretty => fn pr => fn vars => pretty (pr vars)) x;
haftmann@24992
  1888
haftmann@24219
  1889
end; (*local*)
haftmann@24219
  1890
haftmann@24219
  1891
(** ML and Isar interface **)
haftmann@24219
  1892
haftmann@24219
  1893
local
haftmann@24219
  1894
haftmann@24992
  1895
fun cert_class thy class =
haftmann@24992
  1896
  let
haftmann@24992
  1897
    val _ = AxClass.get_info thy class;
haftmann@24992
  1898
  in class end;
haftmann@24992
  1899
haftmann@24992
  1900
fun read_class thy raw_class =
haftmann@24992
  1901
  let
haftmann@24992
  1902
    val class = Sign.intern_class thy raw_class;
haftmann@24992
  1903
    val _ = AxClass.get_info thy class;
haftmann@24992
  1904
  in class end;
haftmann@24992
  1905
haftmann@24992
  1906
fun cert_tyco thy tyco =
haftmann@24992
  1907
  let
haftmann@24992
  1908
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
  1909
      else error ("No such type constructor: " ^ quote tyco);
haftmann@24992
  1910
  in tyco end;
haftmann@24992
  1911
haftmann@24992
  1912
fun read_tyco thy raw_tyco =
haftmann@24992
  1913
  let
haftmann@24992
  1914
    val tyco = Sign.intern_type thy raw_tyco;
haftmann@24992
  1915
    val _ = if Sign.declared_tyname thy tyco then ()
haftmann@24992
  1916
      else error ("No such type constructor: " ^ quote raw_tyco);
haftmann@24992
  1917
  in tyco end;
haftmann@24219
  1918
haftmann@24219
  1919
fun gen_add_syntax_class prep_class prep_const target raw_class raw_syn thy =
haftmann@24219
  1920
  let
haftmann@24841
  1921
    val class = prep_class thy raw_class;
haftmann@24841
  1922
    val class' = CodeName.class thy class;
haftmann@24841
  1923
    fun mk_classparam c = case AxClass.class_of_param thy c
haftmann@24841
  1924
     of SOME class'' => if class = class'' then CodeName.const thy c
haftmann@24219
  1925
          else error ("Not a class operation for class " ^ quote class ^ ": " ^ quote c)
haftmann@24219
  1926
      | NONE => error ("Not a class operation: " ^ quote c);
haftmann@24841
  1927
    fun mk_syntax_params raw_params = AList.lookup (op =)
haftmann@24841
  1928
      ((map o apfst) (mk_classparam o prep_const thy) raw_params);
haftmann@24219
  1929
  in case raw_syn
haftmann@24841
  1930
   of SOME (syntax, raw_params) =>
haftmann@24219
  1931
      thy
haftmann@24219
  1932
      |> (map_syntax_exprs target o apfst o apfst)
haftmann@24841
  1933
           (Symtab.update (class', (syntax, mk_syntax_params raw_params)))
haftmann@24219
  1934
    | NONE =>
haftmann@24219
  1935
      thy
haftmann@24219
  1936
      |> (map_syntax_exprs target o apfst o apfst)
haftmann@24841
  1937
           (Symtab.delete_safe class')
haftmann@24219
  1938
  end;
haftmann@24219
  1939
haftmann@24219
  1940
fun gen_add_syntax_inst prep_class prep_tyco target (raw_tyco, raw_class) add_del thy =
haftmann@24219
  1941
  let
haftmann@24219
  1942
    val inst = CodeName.instance thy (prep_class thy raw_class, prep_tyco thy raw_tyco);
haftmann@24219
  1943
  in if add_del then
haftmann@24219
  1944
    thy
haftmann@24219
  1945
    |> (map_syntax_exprs target o apfst o apsnd)
haftmann@24219
  1946
        (Symtab.update (inst, ()))
haftmann@24219
  1947
  else
haftmann@24219
  1948
    thy
haftmann@24219
  1949
    |> (map_syntax_exprs target o apfst o apsnd)
haftmann@24219
  1950
        (Symtab.delete_safe inst)
haftmann@24219
  1951
  end;
haftmann@24219
  1952
haftmann@24219
  1953
fun gen_add_syntax_tyco prep_tyco target raw_tyco raw_syn thy =
haftmann@24219
  1954
  let
haftmann@24219
  1955
    val tyco = prep_tyco thy raw_tyco;
haftmann@24219
  1956
    val tyco' = if tyco = "fun" then "fun" else CodeName.tyco thy tyco;
haftmann@24219
  1957
    fun check_args (syntax as (n, _)) = if n <> Sign.arity_number thy tyco
haftmann@24219
  1958
      then error ("Number of arguments mismatch in syntax for type constructor " ^ quote tyco)
haftmann@24219
  1959
      else syntax
haftmann@24219
  1960
  in case raw_syn
haftmann@24219
  1961
   of SOME syntax =>
haftmann@24219
  1962
      thy
haftmann@24219
  1963
      |> (map_syntax_exprs target o apsnd o apfst)
haftmann@24219
  1964
           (Symtab.update (tyco', check_args syntax))
haftmann@24219
  1965
   | NONE =>
haftmann@24219
  1966
      thy
haftmann@24219
  1967
      |> (map_syntax_exprs target o apsnd o apfst)
haftmann@24219
  1968
           (Symtab.delete_safe tyco')
haftmann@24219
  1969
  end;
haftmann@24219
  1970
haftmann@24219
  1971
fun gen_add_syntax_const prep_const target raw_c raw_syn thy =
haftmann@24219
  1972
  let
haftmann@24219
  1973
    val c = prep_const thy raw_c;
haftmann@24219
  1974
    val c' = CodeName.const thy c;
haftmann@24423
  1975
    fun check_args (syntax as (n, _)) = if n > CodeUnit.no_args thy c
haftmann@24423
  1976
      then error ("Too many arguments in syntax for constant " ^ quote c)
haftmann@24219
  1977
      else syntax;
haftmann@24219
  1978
  in case raw_syn
haftmann@24219
  1979
   of SOME syntax =>
haftmann@24219
  1980
      thy
haftmann@24219
  1981
      |> (map_syntax_exprs target o apsnd o apsnd)
haftmann@24219
  1982
           (Symtab.update (c', check_args syntax))
haftmann@24219
  1983
   | NONE =>
haftmann@24219
  1984
      thy
haftmann@24219
  1985
      |> (map_syntax_exprs target o apsnd o apsnd)
haftmann@24219
  1986
           (Symtab.delete_safe c')
haftmann@24219
  1987
  end;
haftmann@24219
  1988
haftmann@24219
  1989
fun add_reserved target =
haftmann@24219
  1990
  let
haftmann@24219
  1991
    fun add sym syms = if member (op =) syms sym
haftmann@24219
  1992
      then error ("Reserved symbol " ^ quote sym ^ " already declared")
haftmann@24219
  1993
      else insert (op =) sym syms
haftmann@24992
  1994
  in map_adaptions target o apfst o add end;
haftmann@24992
  1995
haftmann@24992
  1996
fun add_include target =
haftmann@24992
  1997
  let
haftmann@24992
  1998
    fun add (name, SOME content) incls =
haftmann@24992
  1999
          let
haftmann@24992
  2000
            val _ = if Symtab.defined incls name
haftmann@24992
  2001
              then warning ("Overwriting existing include " ^ name)
haftmann@24992
  2002
              else ();
haftmann@24992
  2003
          in Symtab.update (name, str content) incls end
haftmann@24992
  2004
      | add (name, NONE) incls =
haftmann@24992
  2005
          Symtab.delete name incls;
haftmann@24992
  2006
  in map_adaptions target o apsnd o add end;
haftmann@24219
  2007
haftmann@24219
  2008
fun add_modl_alias target =
haftmann@24992
  2009
  map_module_alias target o Symtab.update o apsnd CodeName.check_modulename;
haftmann@24219
  2010
haftmann@26753
  2011
fun add_monad target c_run c_bind c_return_unit thy =
haftmann@24992
  2012
  let
haftmann@24992
  2013
    val c_run' = CodeUnit.read_const thy c_run;
haftmann@24992
  2014
    val c_bind' = CodeUnit.read_const thy c_bind;
haftmann@24992
  2015
    val c_bind'' = CodeName.const thy c_bind';
haftmann@26753
  2016
    val c_return_unit'' = (Option.map o pairself)
haftmann@26753
  2017
      (CodeName.const thy o CodeUnit.read_const thy) c_return_unit;
haftmann@26752
  2018
    val is_haskell = target = target_Haskell;
haftmann@26753
  2019
    val _ = if is_haskell andalso is_some c_return_unit''
haftmann@26752
  2020
      then error ("No unit entry may be given for Haskell monad")
haftmann@26752
  2021
      else ();
haftmann@26753
  2022
    val _ = if not is_haskell andalso is_none c_return_unit''
haftmann@26752
  2023
      then error ("Unit entry must be given for SML/OCaml monad")
haftmann@26752
  2024
      else ();
haftmann@24992
  2025
  in if target = target_Haskell then
haftmann@24992
  2026
    thy
haftmann@24992
  2027
    |> gen_add_syntax_const (K I) target_Haskell c_run'
haftmann@24992
  2028
          (SOME (pretty_haskell_monad c_bind''))
haftmann@24992
  2029
    |> gen_add_syntax_const (K I) target_Haskell c_bind'
haftmann@24992
  2030
          (no_bindings (SOME (parse_infix fst (L, 1) ">>=")))
haftmann@24992
  2031
  else
haftmann@24992
  2032
    thy
haftmann@24992
  2033
    |> gen_add_syntax_const (K I) target c_bind'
haftmann@26753
  2034
          (SOME (pretty_imperative_monad_bind c_bind''
haftmann@26753
  2035
            ((fst o the) c_return_unit'') ((snd o the) c_return_unit'')))
haftmann@24992
  2036
  end;
haftmann@24219
  2037
haftmann@24841
  2038
fun gen_allow_exception prep_cs raw_c thy =
haftmann@24841
  2039
  let
haftmann@24841
  2040
    val c = prep_cs thy raw_c;
haftmann@24841
  2041
    val c' = CodeName.const thy c;
haftmann@24841
  2042
  in thy |> (CodeTargetData.map o apsnd) (insert (op =) c') end;
haftmann@24841
  2043
haftmann@24219
  2044
fun zip_list (x::xs) f g =
haftmann@24219
  2045
  f
haftmann@24219
  2046
  #-> (fn y =>
haftmann@24219
  2047
    fold_map (fn x => g |-- f >> pair x) xs
haftmann@24219
  2048
    #-> (fn xys => pair ((x, y) :: xys)));
haftmann@24219
  2049
haftmann@24219
  2050
structure P = OuterParse
haftmann@24219
  2051
and K = OuterKeyword
haftmann@24219
  2052
haftmann@24219
  2053
fun parse_multi_syntax parse_thing parse_syntax =
haftmann@24219
  2054
  P.and_list1 parse_thing
haftmann@24219
  2055
  #-> (fn things => Scan.repeat1 (P.$$$ "(" |-- P.name --
haftmann@24219
  2056
        (zip_list things parse_syntax (P.$$$ "and")) --| P.$$$ ")"));
haftmann@24219
  2057
haftmann@24219
  2058
val (infixK, infixlK, infixrK) = ("infix", "infixl", "infixr");
haftmann@24219
  2059
haftmann@24219
  2060
fun parse_syntax prep_arg xs =
haftmann@24219
  2061
  Scan.option ((
haftmann@24219
  2062
      ((P.$$$ infixK  >> K X)
haftmann@24219
  2063
        || (P.$$$ infixlK >> K L)
haftmann@24219
  2064
        || (P.$$$ infixrK >> K R))
haftmann@24219
  2065
        -- P.nat >> parse_infix prep_arg
haftmann@24219
  2066
      || Scan.succeed (parse_mixfix prep_arg))
haftmann@24219
  2067
      -- P.string
haftmann@24219
  2068
      >> (fn (parse, s) => parse s)) xs;
haftmann@24219
  2069
haftmann@24219
  2070
in
haftmann@24219
  2071
haftmann@24219
  2072
val parse_syntax = parse_syntax;
haftmann@24219
  2073
haftmann@24219
  2074
val add_syntax_class = gen_add_syntax_class cert_class (K I);
haftmann@24219
  2075
val add_syntax_inst = gen_add_syntax_inst cert_class cert_tyco;
haftmann@24219
  2076
val add_syntax_tyco = gen_add_syntax_tyco cert_tyco;
haftmann@24219
  2077
val add_syntax_const = gen_add_syntax_const (K I);
haftmann@24841
  2078
val allow_exception = gen_allow_exception (K I);
haftmann@24219
  2079
haftmann@24219
  2080
val add_syntax_class_cmd = gen_add_syntax_class read_class CodeUnit.read_const;
haftmann@24219
  2081
val add_syntax_inst_cmd = gen_add_syntax_inst read_class read_tyco;
haftmann@24219
  2082
val add_syntax_tyco_cmd = gen_add_syntax_tyco read_tyco;
haftmann@24219
  2083
val add_syntax_const_cmd = gen_add_syntax_const CodeUnit.read_const;
haftmann@24841
  2084
val allow_exception_cmd = gen_allow_exception CodeUnit.read_const;
haftmann@24219
  2085
haftmann@24219
  2086
fun add_syntax_tycoP target tyco = parse_syntax I >> add_syntax_tyco_cmd target tyco;
haftmann@24219
  2087
fun add_syntax_constP target c = parse_syntax fst >> (add_syntax_const_cmd target c o no_bindings);
haftmann@24219
  2088
haftmann@24219
  2089
fun add_undefined target undef target_undefined thy =
haftmann@24219
  2090
  let
haftmann@24219
  2091
    fun pr _ _ _ _ = str target_undefined;
haftmann@24219
  2092
  in
haftmann@24219
  2093
    thy
haftmann@24423
  2094
    |> add_syntax_const target undef (SOME (~1, pr))
haftmann@24219
  2095
  end;
haftmann@24219
  2096
haftmann@24219
  2097
fun add_pretty_list target nill cons thy =
haftmann@24219
  2098
  let
haftmann@24423
  2099
    val nil' = CodeName.const thy nill;
haftmann@24423
  2100
    val cons' = CodeName.const thy cons;
haftmann@24423
  2101
    val pr = pretty_list nil' cons' target;
haftmann@24219
  2102
  in
haftmann@24219
  2103
    thy
haftmann@24423
  2104
    |> add_syntax_const target cons (SOME pr)
haftmann@24219
  2105
  end;
haftmann@24219
  2106
haftmann@24219
  2107
fun add_pretty_list_string target nill cons charr nibbles thy =
haftmann@24219
  2108
  let
haftmann@24423
  2109
    val nil' = CodeName.const thy nill;
haftmann@24423
  2110
    val cons' = CodeName.const thy cons;
haftmann@24423
  2111
    val charr' = CodeName.const thy charr;
haftmann@24423
  2112
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2113
    val pr = pretty_list_string nil' cons' charr' nibbles' target;
haftmann@24219
  2114
  in
haftmann@24219
  2115
    thy
haftmann@24423
  2116
    |> add_syntax_const target cons (SOME pr)
haftmann@24219
  2117
  end;
haftmann@24219
  2118
haftmann@24219
  2119
fun add_pretty_char target charr nibbles thy =
haftmann@24219
  2120
  let
haftmann@24423
  2121
    val charr' = CodeName.const thy charr;
haftmann@24423
  2122
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2123
    val pr = pretty_char charr' nibbles' target;
haftmann@24219
  2124
  in
haftmann@24219
  2125
    thy
haftmann@24423
  2126
    |> add_syntax_const target charr (SOME pr)
haftmann@24219
  2127
  end;
haftmann@24219
  2128
huffman@26086
  2129
fun add_pretty_numeral target unbounded negative number_of pls min bit0 bit1 thy =
haftmann@24219
  2130
  let
haftmann@24423
  2131
    val pls' = CodeName.const thy pls;
haftmann@24423
  2132
    val min' = CodeName.const thy min;
huffman@26086
  2133
    val bit0' = CodeName.const thy bit0;
huffman@26086
  2134
    val bit1' = CodeName.const thy bit1;
huffman@26086
  2135
    val pr = pretty_numeral unbounded negative pls' min' bit0' bit1' target;
haftmann@24219
  2136
  in
haftmann@24219
  2137
    thy
haftmann@24423
  2138
    |> add_syntax_const target number_of (SOME pr)
haftmann@24219
  2139
  end;
haftmann@24219
  2140
haftmann@24992
  2141
fun add_pretty_message target charr nibbles nill cons str thy =
haftmann@24219
  2142
  let
haftmann@24423
  2143
    val charr' = CodeName.const thy charr;
haftmann@24423
  2144
    val nibbles' = map (CodeName.const thy) nibbles;
haftmann@24423
  2145
    val nil' = CodeName.const thy nill;
haftmann@24423
  2146
    val cons' = CodeName.const thy cons;
haftmann@24992
  2147
    val pr = pretty_message charr' nibbles' nil' cons' target;
haftmann@24219
  2148
  in
haftmann@24219
  2149
    thy
haftmann@24423
  2150
    |> add_syntax_const target str (SOME pr)
haftmann@24219
  2151
  end;
haftmann@24219
  2152
wenzelm@24867
  2153
wenzelm@24867
  2154
val _ = OuterSyntax.keywords [infixK, infixlK, infixrK];
wenzelm@24867
  2155
wenzelm@24867
  2156
val _ =
haftmann@24992
  2157
  OuterSyntax.command "code_class" "define code syntax for class" K.thy_decl (
haftmann@24219
  2158
    parse_multi_syntax P.xname
haftmann@24219
  2159
      (Scan.option (P.string -- Scan.optional (P.$$$ "where" |-- Scan.repeat1
wenzelm@25985
  2160
        (P.term --| (P.$$$ "\<equiv>" || P.$$$ "==") -- P.string)) []))
haftmann@24219
  2161
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2162
          fold (fn (raw_class, syn) => add_syntax_class_cmd target raw_class syn) syns)
haftmann@24219
  2163
  );
haftmann@24219
  2164
wenzelm@24867
  2165
val _ =
haftmann@24992
  2166
  OuterSyntax.command "code_instance" "define code syntax for instance" K.thy_decl (
haftmann@24219
  2167
    parse_multi_syntax (P.xname --| P.$$$ "::" -- P.xname)
haftmann@24219
  2168
      ((P.minus >> K true) || Scan.succeed false)
haftmann@24219
  2169
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2170
          fold (fn (raw_inst, add_del) => add_syntax_inst_cmd target raw_inst add_del) syns)
haftmann@24219
  2171
  );
haftmann@24219
  2172
wenzelm@24867
  2173
val _ =
haftmann@24992
  2174
  OuterSyntax.command "code_type" "define code syntax for type constructor" K.thy_decl (
haftmann@24219
  2175
    parse_multi_syntax P.xname (parse_syntax I)
haftmann@24219
  2176
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2177
          fold (fn (raw_tyco, syn) => add_syntax_tyco_cmd target raw_tyco syn) syns)
haftmann@24219
  2178
  );
haftmann@24219
  2179
wenzelm@24867
  2180
val _ =
haftmann@24992
  2181
  OuterSyntax.command "code_const" "define code syntax for constant" K.thy_decl (
haftmann@24219
  2182
    parse_multi_syntax P.term (parse_syntax fst)
haftmann@24219
  2183
    >> (Toplevel.theory oo fold) (fn (target, syns) =>
haftmann@24219
  2184
          fold (fn (raw_const, syn) => add_syntax_const_cmd target raw_const (no_bindings syn)) syns)
haftmann@24219
  2185
  );
haftmann@24219
  2186
wenzelm@24867
  2187
val _ =
haftmann@24992
  2188
  OuterSyntax.command "code_monad" "define code syntax for monads" K.thy_decl (
haftmann@26753
  2189
    P.term -- P.term -- ((P.term -- P.term >> SOME) -- Scan.repeat1 P.name
haftmann@26752
  2190
      || Scan.succeed NONE -- Scan.repeat1 P.name)
haftmann@26753
  2191
    >> (fn ((raw_run, raw_bind), (raw_unit_return, targets)) => Toplevel.theory 
haftmann@26753
  2192
          (fold (fn target => add_monad target raw_run raw_bind raw_unit_return) targets))
haftmann@24219
  2193
  );
haftmann@24219
  2194
wenzelm@24867
  2195
val _ =
haftmann@24992
  2196
  OuterSyntax.command "code_reserved" "declare words as reserved for target language" K.thy_decl (
haftmann@24219
  2197
    P.name -- Scan.repeat1 P.name
haftmann@24219
  2198
    >> (fn (target, reserveds) => (Toplevel.theory o fold (add_reserved target)) reserveds)
haftmann@24841
  2199
  );
haftmann@24219
  2200
wenzelm@24867
  2201
val _ =
haftmann@24992
  2202
  OuterSyntax.command "code_include" "declare piece of code to be included in generated code" K.thy_decl (
haftmann@24992
  2203
    P.name -- P.name -- (P.text >> (fn "-" => NONE | s => SOME s))
haftmann@24992
  2204
    >> (fn ((target, name), content) => (Toplevel.theory o add_include target)
haftmann@24992
  2205
      (name, content))
haftmann@24992
  2206
  );
haftmann@24992
  2207
haftmann@24992
  2208
val _ =
haftmann@24992
  2209
  OuterSyntax.command "code_modulename" "alias module to other name" K.thy_decl (
haftmann@24219
  2210
    P.name -- Scan.repeat1 (P.name -- P.name)
haftmann@24219
  2211
    >> (fn (target, modlnames) => (Toplevel.theory o fold (add_modl_alias target)) modlnames)
haftmann@24841
  2212
  );
haftmann@24219
  2213
wenzelm@24867
  2214
val _ =
haftmann@24992
  2215
  OuterSyntax.command "code_exception" "permit exceptions for constant" K.thy_decl (
haftmann@24841
  2216
    Scan.repeat1 P.term >> (Toplevel.theory o fold allow_exception_cmd)
haftmann@24841
  2217
  );
haftmann@24219
  2218
haftmann@24219
  2219
haftmann@24219
  2220
(*including serializer defaults*)
haftmann@24219
  2221
val setup =
haftmann@24219
  2222
  add_serializer (target_SML, isar_seri_sml)
haftmann@24219
  2223
  #> add_serializer (target_OCaml, isar_seri_ocaml)
haftmann@24219
  2224
  #> add_serializer (target_Haskell, isar_seri_haskell)
haftmann@24992
  2225
  #> add_serializer (target_diag, fn _ => fn _=> fn _ => seri_diagnosis)
haftmann@24219
  2226
  #> add_syntax_tyco "SML" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@26010
  2227
      (gen_brackify (case fxy of NOBR => false | _ => fixity (INFX (1, R)) fxy) o Pretty.breaks) [
haftmann@24219
  2228
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2229
        str "->",
haftmann@24219
  2230
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2231
      ]))
haftmann@24219
  2232
  #> add_syntax_tyco "OCaml" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@26010
  2233
      (gen_brackify (case fxy of NOBR => false | _ => fixity (INFX (1, R)) fxy) o Pretty.breaks) [
haftmann@24219
  2234
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2235
        str "->",
haftmann@24219
  2236
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2237
      ]))
haftmann@24219
  2238
  #> add_syntax_tyco "Haskell" "fun" (SOME (2, fn pr_typ => fn fxy => fn [ty1, ty2] =>
haftmann@24219
  2239
      brackify_infix (1, R) fxy [
haftmann@24219
  2240
        pr_typ (INFX (1, X)) ty1,
haftmann@24219
  2241
        str "->",
haftmann@24219
  2242
        pr_typ (INFX (1, R)) ty2
haftmann@24219
  2243
      ]))
haftmann@24219
  2244
  #> fold (add_reserved "SML") ML_Syntax.reserved_names
haftmann@24219
  2245
  #> fold (add_reserved "SML")
haftmann@24219
  2246
      ["o" (*dictionary projections use it already*), "Fail", "div", "mod" (*standard infixes*)]
haftmann@24219
  2247
  #> fold (add_reserved "OCaml") [
haftmann@24219
  2248
      "and", "as", "assert", "begin", "class",
haftmann@24219
  2249
      "constraint", "do", "done", "downto", "else", "end", "exception",
haftmann@24219
  2250
      "external", "false", "for", "fun", "function", "functor", "if",
haftmann@24219
  2251
      "in", "include", "inherit", "initializer", "lazy", "let", "match", "method",
haftmann@24219
  2252
      "module", "mutable", "new", "object", "of", "open", "or", "private", "rec",
haftmann@24219
  2253
      "sig", "struct", "then", "to", "true", "try", "type", "val",
haftmann@24219
  2254
      "virtual", "when", "while", "with"
haftmann@24219
  2255
    ]
haftmann@24219
  2256
  #> fold (add_reserved "OCaml") ["failwith", "mod"]
haftmann@24219
  2257
  #> fold (add_reserved "Haskell") [
haftmann@24219
  2258
      "hiding", "deriving", "where", "case", "of", "infix", "infixl", "infixr",
haftmann@24219
  2259
      "import", "default", "forall", "let", "in", "class", "qualified", "data",
haftmann@24219
  2260
      "newtype", "instance", "if", "then", "else", "type", "as", "do", "module"
haftmann@24219
  2261
    ]
haftmann@24219
  2262
  #> fold (add_reserved "Haskell") [
haftmann@24219
  2263
      "Prelude", "Main", "Bool", "Maybe", "Either", "Ordering", "Char", "String", "Int",
haftmann@24219
  2264
      "Integer", "Float", "Double", "Rational", "IO", "Eq", "Ord", "Enum", "Bounded",
haftmann@24219
  2265
      "Num", "Real", "Integral", "Fractional", "Floating", "RealFloat", "Monad", "Functor",
haftmann@24219
  2266
      "AlreadyExists", "ArithException", "ArrayException", "AssertionFailed", "AsyncException",
haftmann@24219
  2267
      "BlockedOnDeadMVar", "Deadlock", "Denormal", "DivideByZero", "DotNetException", "DynException",
haftmann@24219
  2268
      "Dynamic", "EOF", "EQ", "EmptyRec", "ErrorCall", "ExitException", "ExitFailure",
haftmann@24219
  2269
      "ExitSuccess", "False", "GT", "HeapOverflow",
haftmann@24219
  2270
      "IOError", "IOException", "IllegalOperation",
haftmann@24219
  2271
      "IndexOutOfBounds", "Just", "Key", "LT", "Left", "LossOfPrecision", "NoMethodError",
haftmann@24219
  2272
      "NoSuchThing", "NonTermination", "Nothing", "Obj", "OtherError", "Overflow",
haftmann@24219
  2273
      "PatternMatchFail", "PermissionDenied", "ProtocolError", "RecConError", "RecSelError",
haftmann@24219
  2274
      "RecUpdError", "ResourceBusy", "ResourceExhausted", "Right", "StackOverflow",
haftmann@24219
  2275
      "ThreadKilled", "True", "TyCon", "TypeRep", "UndefinedElement", "Underflow",
haftmann@24219
  2276
      "UnsupportedOperation", "UserError", "abs", "absReal", "acos", "acosh", "all",
haftmann@24219
  2277
      "and", "any", "appendFile", "asTypeOf", "asciiTab", "asin", "asinh", "atan",
haftmann@24219
  2278
      "atan2", "atanh", "basicIORun", "blockIO", "boundedEnumFrom", "boundedEnumFromThen",
haftmann@24219
  2279
      "boundedEnumFromThenTo", "boundedEnumFromTo", "boundedPred", "boundedSucc", "break",
haftmann@24219
  2280
      "catch", "catchException", "ceiling", "compare", "concat", "concatMap", "const",
haftmann@24219
  2281
      "cos", "cosh", "curry", "cycle", "decodeFloat", "denominator", "div", "divMod",
haftmann@24219
  2282
      "doubleToRatio", "doubleToRational", "drop", "dropWhile", "either", "elem",
haftmann@24219
  2283
      "emptyRec", "encodeFloat", "enumFrom", "enumFromThen", "enumFromThenTo",
haftmann@24219
  2284
      "enumFromTo", "error", "even", "exp", "exponent", "fail", "filter", "flip",
haftmann@24219
  2285
      "floatDigits", "floatProperFraction", "floatRadix", "floatRange", "floatToRational",
haftmann@24219
  2286
      "floor", "fmap", "foldl", "foldl'", "foldl1", "foldr", "foldr1", "fromDouble",
haftmann@24219
  2287
      "fromEnum", "fromEnum_0", "fromInt", "fromInteger", "fromIntegral", "fromObj",
haftmann@24219
  2288
      "fromRational", "fst", "gcd", "getChar", "getContents", "getLine", "head",
haftmann@24219
  2289
      "id", "inRange", "index", "init", "intToRatio", "interact", "ioError", "isAlpha",
haftmann@24219
  2290
      "isAlphaNum", "isDenormalized", "isDigit", "isHexDigit", "isIEEE", "isInfinite",
haftmann@24219
  2291
      "isLower", "isNaN", "isNegativeZero", "isOctDigit", "isSpace", "isUpper", "iterate", "iterate'",
haftmann@24219
  2292
      "last", "lcm", "length", "lex", "lexDigits", "lexLitChar", "lexmatch", "lines", "log",
haftmann@24219
  2293
      "logBase", "lookup", "loop", "map", "mapM", "mapM_", "max", "maxBound", "maximum",
haftmann@24219
  2294
      "maybe", "min", "minBound", "minimum", "mod", "negate", "nonnull", "not", "notElem",
haftmann@24219
  2295
      "null", "numerator", "numericEnumFrom", "numericEnumFromThen", "numericEnumFromThenTo",
haftmann@24219
  2296
      "numericEnumFromTo", "odd", "or", "otherwise", "pi", "pred", 
haftmann@24219
  2297
      "print", "product", "properFraction", "protectEsc", "putChar", "putStr", "putStrLn",
haftmann@24219
  2298
      "quot", "quotRem", "range", "rangeSize", "rationalToDouble", "rationalToFloat",
haftmann@24219
  2299
      "rationalToRealFloat", "read", "readDec", "readField", "readFieldName", "readFile",
haftmann@24219
  2300
      "readFloat", "readHex", "readIO", "readInt", "readList", "readLitChar", "readLn",
haftmann@24219
  2301
      "readOct", "readParen", "readSigned", "reads", "readsPrec", "realFloatToRational",
haftmann@24219
  2302
      "realToFrac", "recip", "reduce", "rem", "repeat", "replicate", "return", "reverse",
haftmann@24219
  2303
      "round", "scaleFloat", "scanl", "scanl1", "scanr", "scanr1", "seq", "sequence",
haftmann@24219
  2304
      "sequence_", "show", "showChar", "showException", "showField", "showList",
haftmann@24219
  2305
      "showLitChar", "showParen", "showString", "shows", "showsPrec", "significand",
haftmann@24219
  2306
      "signum", "signumReal", "sin", "sinh", "snd", "span", "splitAt", "sqrt", "subtract",
haftmann@24219
  2307
      "succ", "sum", "tail", "take", "takeWhile", "takeWhile1", "tan", "tanh", "threadToIOResult",
haftmann@24219
  2308
      "throw", "toEnum", "toInt", "toInteger", "toObj", "toRational", "truncate", "uncurry",
haftmann@24219
  2309
      "undefined", "unlines", "unsafeCoerce", "unsafeIndex", "unsafeRangeSize", "until", "unwords",
haftmann@24219
  2310
      "unzip", "unzip3", "userError", "words", "writeFile", "zip", "zip3", "zipWith", "zipWith3"
haftmann@24219
  2311
    ] (*due to weird handling of ':', we can't do anything else than to import *all* prelude symbols*);
haftmann@24219
  2312
haftmann@24219
  2313
end; (*local*)
haftmann@24219
  2314
haftmann@24219
  2315
end; (*struct*)