src/Tools/code/code_target.ML
author haftmann
Thu, 04 Oct 2007 19:41:55 +0200
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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 -> string -> string -> string -> string
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    -> string -> string -> theory -> theory;
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  val add_pretty_ml_string: string -> string -> string list -> string
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    -> string -> string -> theory -> theory;
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  val add_pretty_imperative_monad_bind: 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 get_serializer: theory -> string -> bool -> string option -> string option -> Args.T list
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    -> (theory -> string -> string) -> string list option
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    -> CodeThingol.code -> unit;
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  val assert_serializer: theory -> string -> string;
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  val eval_verbose: bool ref;
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  val eval_invoke: theory -> (theory -> string -> string)
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    -> (string * (unit -> 'a) option ref) -> CodeThingol.code
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    -> 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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(** 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 eval_lrx L L = false
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  | eval_lrx R R = false
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  | eval_lrx _ _ = true;
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fun eval_fxy NOBR NOBR = false
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  | eval_fxy BR NOBR = false
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  | eval_fxy NOBR BR = false
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  | eval_fxy (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 eval_lrx lr lr_ctxt
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      orelse pr_ctxt = ~1
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  | eval_fxy _ (INFX _) = false
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  | eval_fxy (INFX _) NOBR = false
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  | eval_fxy _ _ = 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 (eval_fxy BR fxy_ctxt) (Pretty.breaks ps);
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fun brackify_infix infx fxy_ctxt ps =
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  gen_brackify (eval_fxy (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 (eval_fxy 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), [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.!! (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 c_bit0 c_bit1 c_pls c_min c_bit =
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  let
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    fun dest_bit (IConst (c, _)) = if c = c_bit0 then SOME 0
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          else if c = c_bit1 then SOME 1
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          else NONE
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      | dest_bit _ = NONE;
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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 SOME ~1
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          else NONE
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      | dest_numeral (IConst (c, _) `$ t1 `$ t2) =
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          if c = c_bit then case (dest_numeral t1, dest_bit t2)
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           of (SOME n, SOME b) => SOME (2 * n + b)
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            | _ => NONE
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          else NONE
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      | dest_numeral _ = NONE;
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  in dest_numeral end;
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fun implode_monad c_mbind c_kbind t =
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  let
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    fun dest_monad (IConst (c, _) `$ t1 `$ t2) =
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          if c = c_mbind
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            then case CodeThingol.split_abs t2
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             of SOME (((v, pat), ty), t') => SOME ((SOME (((SOME v, pat), ty), true), t1), t')
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              | NONE => NONE
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          else if c = c_kbind
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            then SOME ((NONE, t1), t2)
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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') => 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) 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 =
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              brackets [Pretty.enum " o" "(" ")" ps, p];
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        fun pr_dictc fxy (DictConst (inst, dss)) =
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              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
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          | pr_dictc fxy (DictVar (classrels, v)) =
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              pr_proj (map (str o deresolv) classrels) ((str o pr_dictvar) v)
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      in case ds
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       of [] => str "()"
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        | [d] => pr_dictc fxy d
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        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
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      end;
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    fun pr_tyvars vs =
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      vs
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      |> map (fn (v, sort) => map_index (fn (i, _) => DictVar ([], (v, (i, length sort)))) sort)
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      |> map (pr_dicts BR);
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    fun pr_tycoexpr fxy (tyco, tys) =
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      let
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        val tyco' = (str o deresolv) tyco
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      in case map (pr_typ BR) tys
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       of [] => tyco'
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        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
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        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
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      end
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    and pr_typ fxy (tyco `%% tys) =
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          (case tyco_syntax tyco
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           of NONE => pr_tycoexpr fxy (tyco, tys)
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            | SOME (i, pr) =>
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                if not (i = length tys)
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                then error ("Number of argument mismatch in customary serialization: "
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                  ^ (string_of_int o length) tys ^ " given, "
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                  ^ string_of_int i ^ " expected")
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                else pr pr_typ fxy tys)
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      | pr_typ fxy (ITyVar v) =
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          str ("'" ^ v);
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    fun pr_term lhs vars fxy (IConst c) =
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          pr_app lhs vars fxy (c, [])
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      | pr_term lhs vars fxy (IVar v) =
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          str (CodeName.lookup_var vars v)
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      | pr_term lhs vars fxy (t as t1 `$ t2) =
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          (case CodeThingol.unfold_const_app t
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           of SOME c_ts => pr_app lhs vars fxy c_ts
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            | NONE =>
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                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
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      | pr_term lhs vars fxy (t as _ `|-> _) =
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   363
          let
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diff changeset
   364
            val (binds, t') = CodeThingol.unfold_abs t;
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diff changeset
   365
            fun pr ((v, pat), ty) =
e558fe311376 new structure for code generator modules
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   366
              pr_bind NOBR ((SOME v, pat), ty)
e558fe311376 new structure for code generator modules
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   367
              #>> (fn p => concat [str "fn", p, str "=>"]);
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haftmann
parents:
diff changeset
   368
            val (ps, vars') = fold_map pr binds vars;
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parents:
diff changeset
   369
          in brackets (ps @ [pr_term lhs vars' NOBR t']) end
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parents:
diff changeset
   370
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
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   371
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
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diff changeset
   372
                then pr_case vars fxy cases
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parents:
diff changeset
   373
                else pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
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   374
            | NONE => pr_case vars fxy cases)
e558fe311376 new structure for code generator modules
haftmann
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   375
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
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   376
      if is_cons c then let
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diff changeset
   377
        val k = length tys
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   378
      in if k < 2 then 
e558fe311376 new structure for code generator modules
haftmann
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   379
        (str o deresolv) c :: map (pr_term lhs vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   380
      else if k = length ts then
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haftmann
parents:
diff changeset
   381
        [(str o deresolv) c, Pretty.enum "," "(" ")" (map (pr_term lhs vars NOBR) ts)]
e558fe311376 new structure for code generator modules
haftmann
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diff changeset
   382
      else [pr_term lhs vars BR (CodeThingol.eta_expand app k)] end else
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haftmann
parents:
diff changeset
   383
        (str o deresolv) c
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diff changeset
   384
          :: (map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts
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haftmann
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diff changeset
   385
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax labelled_name is_cons lhs vars
e558fe311376 new structure for code generator modules
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parents:
diff changeset
   386
    and pr_bind' ((NONE, NONE), _) = str "_"
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   387
      | pr_bind' ((SOME v, NONE), _) = str v
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haftmann
parents:
diff changeset
   388
      | pr_bind' ((NONE, SOME p), _) = p
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   389
      | pr_bind' ((SOME v, SOME p), _) = concat [str v, str "as", p]
24284
f5afd33f5d02 fixed OCaml bug
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   390
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
24219
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   391
    and pr_case vars fxy (cases as ((_, [_]), _)) =
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   392
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   393
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
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haftmann
parents:
diff changeset
   394
            fun pr ((pat, ty), t) vars =
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haftmann
parents:
diff changeset
   395
              vars
e558fe311376 new structure for code generator modules
haftmann
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   396
              |> pr_bind NOBR ((NONE, SOME pat), ty)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   397
              |>> (fn p => semicolon [str "val", p, str "=", pr_term false vars NOBR t])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   398
            val (ps, vars') = fold_map pr binds vars;
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haftmann
parents:
diff changeset
   399
          in
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diff changeset
   400
            Pretty.chunks [
e558fe311376 new structure for code generator modules
haftmann
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diff changeset
   401
              [str ("let"), Pretty.fbrk, Pretty.chunks ps] |> Pretty.block,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   402
              [str ("in"), Pretty.fbrk, pr_term false vars' NOBR t'] |> Pretty.block,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   403
              str ("end")
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haftmann
parents:
diff changeset
   404
            ]
e558fe311376 new structure for code generator modules
haftmann
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   405
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   406
      | pr_case vars fxy (((td, ty), b::bs), _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   407
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   408
            fun pr delim (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   409
              let
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haftmann
parents:
diff changeset
   410
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   411
              in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   412
                concat [str delim, p, str "=>", pr_term false vars' NOBR t]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   413
              end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   414
          in
e558fe311376 new structure for code generator modules
haftmann
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diff changeset
   415
            (Pretty.enclose "(" ")" o single o brackify fxy) (
e558fe311376 new structure for code generator modules
haftmann
parents:
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   416
              str "case"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   417
              :: pr_term false vars NOBR td
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haftmann
parents:
diff changeset
   418
              :: pr "of" b
e558fe311376 new structure for code generator modules
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   419
              :: map (pr "|") bs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   420
            )
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haftmann
parents:
diff changeset
   421
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   422
      | pr_case vars fxy ((_, []), _) = str "raise Fail \"empty case\""
e558fe311376 new structure for code generator modules
haftmann
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diff changeset
   423
    fun pr_def (MLFuns (funns as (funn :: funns'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   424
          let
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haftmann
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diff changeset
   425
            val definer =
e558fe311376 new structure for code generator modules
haftmann
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diff changeset
   426
              let
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   427
                fun no_args _ ((ts, _) :: _) = length ts
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   428
                  | no_args ty [] = (length o fst o CodeThingol.unfold_fun) ty;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   429
                fun mk 0 [] = "val"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   430
                  | mk 0 vs = if (null o filter_out (null o snd)) vs then "val" else "fun"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   431
                  | mk k _ = "fun";
df8448bc7a8b concept for exceptions
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diff changeset
   432
                fun chk (_, ((vs, ty), eqs)) NONE = SOME (mk (no_args ty eqs) vs)
df8448bc7a8b concept for exceptions
haftmann
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diff changeset
   433
                  | chk (_, ((vs, ty), eqs)) (SOME defi) =
df8448bc7a8b concept for exceptions
haftmann
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diff changeset
   434
                      if defi = mk (no_args ty eqs) vs then SOME defi
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   435
                      else error ("Mixing simultaneous vals and funs not implemented: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   436
                        ^ commas (map (labelled_name o fst) funns));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   437
              in the (fold chk funns NONE) end;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   438
            fun pr_funn definer (name, ((raw_vs, ty), [])) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   439
                  let
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   440
                    val vs = filter_out (null o snd) raw_vs;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   441
                    val n = length vs + (length o fst o CodeThingol.unfold_fun) ty;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   442
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   443
                    concat (
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   444
                      str definer
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   445
                      :: (str o deresolv) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   446
                      :: map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   447
                      @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   448
                      :: str "raise"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   449
                      :: str "(Fail"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   450
                      :: (str o ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   451
                      @@ str ")"
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   452
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   453
                  end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   454
              | pr_funn definer (name, ((raw_vs, ty), eqs as eq :: eqs')) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   455
                  let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   456
                    val vs = filter_out (null o snd) raw_vs;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   457
                    val shift = if null eqs' then I else
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   458
                      map (Pretty.block o single o Pretty.block o single);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   459
                    fun pr_eq definer (ts, t) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   460
                      let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   461
                        val consts = map_filter
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   462
                          (fn c => if (is_some o const_syntax) c
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   463
                            then NONE else (SOME o NameSpace.base o deresolv) c)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   464
                            ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   465
                        val vars = init_syms
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   466
                          |> CodeName.intro_vars consts
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   467
                          |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   468
                               (insert (op =)) ts []);
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   469
                      in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   470
                        concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   471
                          [str definer, (str o deresolv) name]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   472
                          @ (if null ts andalso null vs
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   473
                             then [str ":", pr_typ NOBR ty]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   474
                             else
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   475
                               pr_tyvars vs
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   476
                               @ map (pr_term true vars BR) ts)
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   477
                       @ [str "=", pr_term false vars NOBR t]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   478
                        )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   479
                      end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   480
                  in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   481
                    (Pretty.block o Pretty.fbreaks o shift) (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   482
                      pr_eq definer eq
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   483
                      :: map (pr_eq "|") eqs'
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   484
                    )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   485
                  end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   486
            val (ps, p) = split_last (pr_funn definer funn :: map (pr_funn "and") funns');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   487
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   488
     | pr_def (MLDatas (datas as (data :: datas'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   489
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   490
            fun pr_co (co, []) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   491
                  str (deresolv co)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   492
              | pr_co (co, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   493
                  concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   494
                    str (deresolv co),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   495
                    str "of",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   496
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   497
                  ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   498
            fun pr_data definer (tyco, (vs, [])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   499
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   500
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   501
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   502
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   503
                    @@ str "EMPTY__" 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   504
                  )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   505
              | pr_data definer (tyco, (vs, cos)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   506
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   507
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   508
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   509
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   510
                    :: separate (str "|") (map pr_co cos)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   511
                  );
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   512
            val (ps, p) = split_last (pr_data "datatype" data :: map (pr_data "and") datas');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   513
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";"])]) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   514
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   515
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   516
            val w = first_upper v ^ "_";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   517
            fun pr_superclass_field (class, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   518
              (concat o map str) [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   519
                pr_label_classrel classrel, ":", "'" ^ v, deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   520
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   521
            fun pr_classparam_field (classparam, ty) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   522
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   523
                (str o pr_label_classparam) classparam, str ":", pr_typ NOBR ty
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   524
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   525
            fun pr_classparam_proj (classparam, _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   526
              semicolon [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   527
                str "fun",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   528
                (str o deresolv) classparam,
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   529
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   530
                str "=",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   531
                str ("#" ^ pr_label_classparam classparam),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   532
                str w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   533
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   534
            fun pr_superclass_proj (_, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   535
              semicolon [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   536
                str "fun",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   537
                (str o deresolv) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   538
                Pretty.enclose "(" ")" [str (w ^ ":'" ^ v ^ " " ^ deresolv class)],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   539
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   540
                str ("#" ^ pr_label_classrel classrel),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   541
                str w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   542
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   543
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   544
            Pretty.chunks (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   545
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   546
                str ("type '" ^ v),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   547
                (str o deresolv) class,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   548
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   549
                Pretty.enum "," "{" "};" (
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   550
                  map pr_superclass_field superclasses @ map pr_classparam_field classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   551
                )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   552
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   553
              :: map pr_superclass_proj superclasses
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   554
              @ map pr_classparam_proj classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   555
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   556
          end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   557
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   558
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   559
            fun pr_superclass (_, (classrel, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   560
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   561
                (str o pr_label_classrel) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   562
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   563
                pr_dicts NOBR [DictConst dss]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   564
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   565
            fun pr_classparam (classparam, c_inst) =
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   566
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   567
                (str o pr_label_classparam) classparam,
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   568
                str "=",
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   569
                pr_app false init_syms NOBR (c_inst, [])
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   570
              ];
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   571
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   572
            semicolon ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   573
              str (if null arity then "val" else "fun"),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   574
              (str o deresolv) inst ] @
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   575
              pr_tyvars arity @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   576
              str "=",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   577
              Pretty.enum "," "{" "}" (map pr_superclass superarities @ map pr_classparam classparam_insts),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   578
              str ":",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   579
              pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   580
            ])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   581
          end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   582
  in pr_def ml_def end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   583
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   584
fun pr_sml_modl name content =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   585
  Pretty.chunks ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   586
    str ("structure " ^ name ^ " = "),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   587
    str "struct",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   588
    str ""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   589
  ] @ content @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   590
    str "",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   591
    str ("end; (*struct " ^ name ^ "*)")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   592
  ]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   593
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   594
fun pr_ocaml tyco_syntax const_syntax labelled_name
24621
97d403d9ab54 clarified evaluation code
haftmann
parents: 24591
diff changeset
   595
    init_syms deresolv is_cons ml_def =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   596
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   597
    fun pr_dicts fxy ds =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   598
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   599
        fun pr_dictvar (v, (_, 1)) = "_" ^ first_upper v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   600
          | pr_dictvar (v, (i, _)) = "_" ^ first_upper v ^ string_of_int (i+1);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   601
        fun pr_proj ps p =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   602
          fold_rev (fn p2 => fn p1 => Pretty.block [p1, str ".", str p2]) ps p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   603
        fun pr_dictc fxy (DictConst (inst, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   604
              brackify fxy ((str o deresolv) inst :: map (pr_dicts BR) dss)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   605
          | pr_dictc fxy (DictVar (classrels, v)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   606
              pr_proj (map deresolv classrels) ((str o pr_dictvar) v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   607
      in case ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   608
       of [] => str "()"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   609
        | [d] => pr_dictc fxy d
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   610
        | _ :: _ => (Pretty.list "(" ")" o map (pr_dictc NOBR)) ds
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   611
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   612
    fun pr_tyvars vs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   613
      vs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   614
      |> map (fn (v, sort) => map_index (fn (i, _) => DictVar ([], (v, (i, length sort)))) sort)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   615
      |> map (pr_dicts BR);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   616
    fun pr_tycoexpr fxy (tyco, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   617
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   618
        val tyco' = (str o deresolv) tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   619
      in case map (pr_typ BR) tys
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   620
       of [] => tyco'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   621
        | [p] => Pretty.block [p, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   622
        | (ps as _::_) => Pretty.block [Pretty.list "(" ")" ps, Pretty.brk 1, tyco']
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   623
      end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   624
    and pr_typ fxy (tyco `%% tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   625
          (case tyco_syntax tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   626
           of NONE => pr_tycoexpr fxy (tyco, tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   627
            | SOME (i, pr) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   628
                if not (i = length tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   629
                then error ("Number of argument mismatch in customary serialization: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   630
                  ^ (string_of_int o length) tys ^ " given, "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   631
                  ^ string_of_int i ^ " expected")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   632
                else pr pr_typ fxy tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   633
      | pr_typ fxy (ITyVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   634
          str ("'" ^ v);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   635
    fun pr_term lhs vars fxy (IConst c) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   636
          pr_app lhs vars fxy (c, [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   637
      | pr_term lhs vars fxy (IVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   638
          str (CodeName.lookup_var vars v)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   639
      | pr_term lhs vars fxy (t as t1 `$ t2) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   640
          (case CodeThingol.unfold_const_app t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   641
           of SOME c_ts => pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   642
            | NONE =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   643
                brackify fxy [pr_term lhs vars NOBR t1, pr_term lhs vars BR t2])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   644
      | pr_term lhs vars fxy (t as _ `|-> _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   645
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   646
            val (binds, t') = CodeThingol.unfold_abs t;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   647
            fun pr ((v, pat), ty) = pr_bind BR ((SOME v, pat), ty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   648
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   649
          in brackets (str "fun" :: ps @ str "->" @@ pr_term lhs vars' NOBR t') end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   650
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   651
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   652
                then pr_case vars fxy cases
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   653
                else pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   654
            | NONE => pr_case vars fxy cases)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   655
    and pr_app' lhs vars (app as ((c, (iss, tys)), ts)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   656
      if is_cons c then
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   657
        if length tys = length ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   658
        then case ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   659
         of [] => [(str o deresolv) c]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   660
          | [t] => [(str o deresolv) c, pr_term lhs vars BR t]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   661
          | _ => [(str o deresolv) c, Pretty.enum "," "(" ")" (map (pr_term lhs vars NOBR) ts)]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   662
        else [pr_term lhs vars BR (CodeThingol.eta_expand app (length tys))]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   663
      else (str o deresolv) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   664
        :: ((map (pr_dicts BR) o filter_out null) iss @ map (pr_term lhs vars BR) ts)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   665
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax labelled_name is_cons lhs vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   666
    and pr_bind' ((NONE, NONE), _) = str "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   667
      | pr_bind' ((SOME v, NONE), _) = str v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   668
      | pr_bind' ((NONE, SOME p), _) = p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   669
      | pr_bind' ((SOME v, SOME p), _) = brackets [p, str "as", str v]
24284
f5afd33f5d02 fixed OCaml bug
haftmann
parents: 24251
diff changeset
   670
    and pr_bind fxy = gen_pr_bind pr_bind' pr_term fxy
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   671
    and pr_case vars fxy (cases as ((_, [_]), _)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   672
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   673
            val (binds, t') = CodeThingol.unfold_let (ICase cases);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   674
            fun pr ((pat, ty), t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   675
              vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   676
              |> pr_bind NOBR ((NONE, SOME pat), ty)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   677
              |>> (fn p => concat [str "let", p, str "=", pr_term false vars NOBR t, str "in"])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   678
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   679
          in Pretty.chunks (ps @| pr_term false vars' NOBR t') end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   680
      | pr_case vars fxy (((td, ty), b::bs), _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   681
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   682
            fun pr delim (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   683
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   684
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   685
              in concat [str delim, p, str "->", pr_term false vars' NOBR t] end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   686
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   687
            (Pretty.enclose "(" ")" o single o brackify fxy) (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   688
              str "match"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   689
              :: pr_term false vars NOBR td
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   690
              :: pr "with" b
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   691
              :: map (pr "|") bs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   692
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   693
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   694
      | pr_case vars fxy ((_, []), _) = str "failwith \"empty case\"";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   695
    fun pr_def (MLFuns (funns as funn :: funns')) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   696
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   697
            fun fish_parm _ (w as SOME _) = w
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   698
              | fish_parm (IVar v) NONE = SOME v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   699
              | fish_parm _ NONE = NONE;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   700
            fun fillup_parm _ (_, SOME v) = v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   701
              | fillup_parm x (i, NONE) = x ^ string_of_int i;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   702
            fun fish_parms vars eqs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   703
              let
24294
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   704
                val fished1 = fold (map2 fish_parm) eqs (replicate (length (hd eqs)) NONE);
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   705
                val x = Name.variant (map_filter I fished1) "x";
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   706
                val fished2 = map_index (fillup_parm x) fished1;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   707
                val (fished3, _) = Name.variants fished2 Name.context;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   708
                val vars' = CodeName.intro_vars fished3 vars;
edfe16773fd4 fixed OCaml bug
haftmann
parents: 24284
diff changeset
   709
              in map (CodeName.lookup_var vars') fished3 end;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   710
            fun pr_eq (ts, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   711
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   712
                val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   713
                  (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   714
                    then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   715
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   716
                val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   717
                  |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   718
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   719
                      (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   720
              in concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   721
                (Pretty.block o Pretty.commas) (map (pr_term true vars NOBR) ts),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   722
                str "->",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   723
                pr_term false vars NOBR t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   724
              ] end;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   725
            fun pr_eqs name ty [] =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   726
                  let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   727
                    val n = (length o fst o CodeThingol.unfold_fun) ty;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   728
                  in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   729
                    concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   730
                      map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   731
                      @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   732
                      :: str "failwith"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   733
                      @@ (str o ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   734
                    )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   735
                  end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   736
              | pr_eqs _ _ [(ts, t)] =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   737
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   738
                    val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   739
                      (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   740
                        then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   741
                        ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   742
                    val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   743
                      |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   744
                      |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   745
                          (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   746
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   747
                    concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   748
                      map (pr_term true vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   749
                      @ str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   750
                      @@ pr_term false vars NOBR t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   751
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   752
                  end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   753
              | pr_eqs _ _ (eqs as (eq as ([_], _)) :: eqs') =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   754
                  Pretty.block (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   755
                    str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   756
                    :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   757
                    :: str "function"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   758
                    :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   759
                    :: pr_eq eq
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   760
                    :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1] o single o pr_eq) eqs'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   761
                  )
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   762
              | pr_eqs _ _ (eqs as eq :: eqs') =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   763
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   764
                    val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   765
                      (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   766
                        then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   767
                        ((fold o CodeThingol.fold_constnames) (insert (op =)) (map snd eqs) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   768
                    val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   769
                      |> CodeName.intro_vars consts;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   770
                    val dummy_parms = (map str o fish_parms vars o map fst) eqs;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   771
                  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   772
                    Pretty.block (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   773
                      Pretty.breaks dummy_parms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   774
                      @ Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   775
                      :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   776
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   777
                      :: str "match"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   778
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   779
                      :: (Pretty.block o Pretty.commas) dummy_parms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   780
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   781
                      :: str "with"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   782
                      :: Pretty.brk 1
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   783
                      :: pr_eq eq
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   784
                      :: maps (append [Pretty.fbrk, str "|", Pretty.brk 1] o single o pr_eq) eqs'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   785
                    )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   786
                  end;
24381
560e8ecdf633 improved evaluation interface
haftmann
parents: 24294
diff changeset
   787
            fun pr_funn definer (name, ((vs, ty), eqs)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   788
              concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   789
                str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   790
                :: (str o deresolv) name
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   791
                :: pr_tyvars (filter_out (null o snd) vs)
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   792
                @| pr_eqs name ty eqs
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   793
              );
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   794
            val (ps, p) = split_last (pr_funn "let rec" funn :: map (pr_funn "and") funns');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   795
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   796
     | pr_def (MLDatas (datas as (data :: datas'))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   797
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   798
            fun pr_co (co, []) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   799
                  str (deresolv co)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   800
              | pr_co (co, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   801
                  concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   802
                    str (deresolv co),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   803
                    str "of",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   804
                    Pretty.enum " *" "" "" (map (pr_typ (INFX (2, X))) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   805
                  ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   806
            fun pr_data definer (tyco, (vs, [])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   807
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   808
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   809
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   810
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   811
                    @@ str "EMPTY_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   812
                  )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   813
              | pr_data definer (tyco, (vs, cos)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   814
                  concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   815
                    str definer
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   816
                    :: pr_tycoexpr NOBR (tyco, map (ITyVar o fst) vs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   817
                    :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   818
                    :: separate (str "|") (map pr_co cos)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   819
                  );
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   820
            val (ps, p) = split_last (pr_data "type" data :: map (pr_data "and") datas');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   821
          in Pretty.chunks (ps @ [Pretty.block ([p, str ";;"])]) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   822
     | pr_def (MLClass (class, (v, (superclasses, classparams)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   823
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   824
            val w = "_" ^ first_upper v;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   825
            fun pr_superclass_field (class, classrel) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   826
              (concat o map str) [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   827
                deresolv classrel, ":", "'" ^ v, deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   828
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   829
            fun pr_classparam_field (classparam, ty) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   830
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   831
                (str o deresolv) classparam, str ":", pr_typ NOBR ty
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   832
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   833
            fun pr_classparam_proj (classparam, _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   834
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   835
                str "let",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   836
                (str o deresolv) classparam,
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   837
                str w,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   838
                str "=",
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   839
                str (w ^ "." ^ deresolv classparam ^ ";;")
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   840
              ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   841
          in Pretty.chunks (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   842
            concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   843
              str ("type '" ^ v),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   844
              (str o deresolv) class,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   845
              str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   846
              Pretty.enum ";" "{" "};;" (
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   847
                map pr_superclass_field superclasses @ map pr_classparam_field classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   848
              )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   849
            ]
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   850
            :: map pr_classparam_proj classparams
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   851
          ) end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   852
     | pr_def (MLClassinst (inst, ((class, (tyco, arity)), (superarities, classparam_insts)))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   853
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   854
            fun pr_superclass (_, (classrel, dss)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   855
              concat [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   856
                (str o deresolv) classrel,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   857
                str "=",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   858
                pr_dicts NOBR [DictConst dss]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   859
              ];
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   860
            fun pr_classparam_inst (classparam, c_inst) =
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   861
              concat [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   862
                (str o deresolv) classparam,
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   863
                str "=",
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   864
                pr_app false init_syms NOBR (c_inst, [])
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   865
              ];
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   866
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   867
            concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   868
              str "let"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   869
              :: (str o deresolv) inst
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   870
              :: pr_tyvars arity
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   871
              @ str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   872
              @@ (Pretty.enclose "(" ");;" o Pretty.breaks) [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   873
                Pretty.enum ";" "{" "}" (map pr_superclass superarities @ map pr_classparam_inst classparam_insts),
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   874
                str ":",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   875
                pr_tycoexpr NOBR (class, [tyco `%% map (ITyVar o fst) arity])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   876
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   877
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   878
          end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   879
  in pr_def ml_def end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   880
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   881
fun pr_ocaml_modl name content =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   882
  Pretty.chunks ([
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   883
    str ("module " ^ name ^ " = "),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   884
    str "struct",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   885
    str ""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   886
  ] @ content @ [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   887
    str "",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   888
    str ("end;; (*struct " ^ name ^ "*)")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   889
  ]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   890
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   891
val code_width = ref 80;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   892
fun code_output p = Pretty.setmp_margin (!code_width) Pretty.output p ^ "\n";
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   893
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   894
fun seri_ml pr_def pr_modl module output labelled_name reserved_syms raw_module_alias module_prolog
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   895
  (_ : string -> class_syntax option) tyco_syntax const_syntax code =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   896
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   897
    val module_alias = if is_some module then K module else raw_module_alias;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   898
    val is_cons = CodeThingol.is_cons code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   899
    datatype node =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   900
        Def of string * ml_def option
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   901
      | Module of string * ((Name.context * Name.context) * node Graph.T);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   902
    val init_names = Name.make_context reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   903
    val init_module = ((init_names, init_names), Graph.empty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   904
    fun map_node [] f = f
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   905
      | map_node (m::ms) f =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   906
          Graph.default_node (m, Module (m, init_module))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   907
          #> Graph.map_node m (fn (Module (dmodlname, (nsp, nodes))) => Module (dmodlname, (nsp, map_node ms f nodes)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   908
    fun map_nsp_yield [] f (nsp, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   909
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   910
            val (x, nsp') = f nsp
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   911
          in (x, (nsp', nodes)) end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   912
      | map_nsp_yield (m::ms) f (nsp, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   913
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   914
            val (x, nodes') =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   915
              nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   916
              |> Graph.default_node (m, Module (m, init_module))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   917
              |> Graph.map_node_yield m (fn Module (dmodlname, nsp_nodes) => 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   918
                  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   919
                    val (x, nsp_nodes') = map_nsp_yield ms f nsp_nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   920
                  in (x, Module (dmodlname, nsp_nodes')) end)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   921
          in (x, (nsp, nodes')) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   922
    val init_syms = CodeName.make_vars reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   923
    val name_modl = mk_modl_name_tab init_names NONE module_alias code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   924
    fun name_def upper name nsp =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   925
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   926
        val (_, base) = dest_name name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   927
        val base' = if upper then first_upper base else base;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   928
        val ([base''], nsp') = Name.variants [base'] nsp;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   929
      in (base'', nsp') end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   930
    fun map_nsp_fun f (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   931
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   932
        val (x, nsp_fun') = f nsp_fun
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   933
      in (x, (nsp_fun', nsp_typ)) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   934
    fun map_nsp_typ f (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   935
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   936
        val (x, nsp_typ') = f nsp_typ
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   937
      in (x, (nsp_fun, nsp_typ')) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   938
    fun mk_funs defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   939
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   940
        (fn (name, CodeThingol.Fun info) =>
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   941
              map_nsp_fun (name_def false name) >> (fn base => (base, (name, (apsnd o map) fst info)))
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   942
          | (name, def) => error ("Function block containing illegal definition: " ^ labelled_name name)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   943
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   944
      >> (split_list #> apsnd MLFuns);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   945
    fun mk_datatype defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   946
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   947
        (fn (name, CodeThingol.Datatype info) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   948
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   949
          | (name, CodeThingol.Datatypecons _) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   950
              map_nsp_fun (name_def true name) >> (fn base => (base, NONE))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   951
          | (name, def) => error ("Datatype block containing illegal definition: " ^ labelled_name name)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   952
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   953
      >> (split_list #> apsnd (map_filter I
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   954
        #> (fn [] => error ("Datatype block without data definition: " ^ (commas o map (labelled_name o fst)) defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   955
             | infos => MLDatas infos)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   956
    fun mk_class defs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   957
      fold_map
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   958
        (fn (name, CodeThingol.Class info) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   959
              map_nsp_typ (name_def false name) >> (fn base => (base, SOME (name, info)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   960
          | (name, CodeThingol.Classrel _) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   961
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
   962
          | (name, CodeThingol.Classparam _) =>
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   963
              map_nsp_fun (name_def false name) >> (fn base => (base, NONE))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   964
          | (name, def) => error ("Class block containing illegal definition: " ^ labelled_name name)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   965
        ) defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   966
      >> (split_list #> apsnd (map_filter I
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   967
        #> (fn [] => error ("Class block without class definition: " ^ (commas o map (labelled_name o fst)) defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   968
             | [info] => MLClass info)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   969
    fun mk_inst [(name, CodeThingol.Classinst info)] =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   970
      map_nsp_fun (name_def false name)
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
   971
      >> (fn base => ([base], MLClassinst (name, (apsnd o apsnd o map) fst info)));
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   972
    fun add_group mk defs nsp_nodes =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   973
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   974
        val names as (name :: names') = map fst defs;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   975
        val deps =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   976
          []
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   977
          |> fold (fold (insert (op =)) o Graph.imm_succs code) names
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   978
          |> subtract (op =) names;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   979
        val (modls, _) = (split_list o map dest_name) names;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   980
        val modl' = (the_single o distinct (op =) o map name_modl) modls
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   981
          handle Empty =>
24811
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
   982
            error ("Different namespace prefixes for mutual dependencies:\n"
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
   983
              ^ commas (map labelled_name names)
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
   984
              ^ "\n"
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
   985
              ^ commas (map (NameSpace.qualifier o NameSpace.qualifier) names));
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   986
        val modl_explode = NameSpace.explode modl';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   987
        fun add_dep name name'' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   988
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   989
            val modl'' = (name_modl o fst o dest_name) name'';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   990
          in if modl' = modl'' then
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   991
            map_node modl_explode
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   992
              (Graph.add_edge (name, name''))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   993
          else let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   994
            val (common, (diff1::_, diff2::_)) = chop_prefix (op =)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   995
              (modl_explode, NameSpace.explode modl'');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   996
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   997
            map_node common
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   998
              (fn gr => Graph.add_edge_acyclic (diff1, diff2) gr
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
   999
                handle Graph.CYCLES _ => error ("Dependency "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1000
                  ^ quote name ^ " -> " ^ quote name''
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1001
                  ^ " would result in module dependency cycle"))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1002
          end end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1003
      in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1004
        nsp_nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1005
        |> map_nsp_yield modl_explode (mk defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1006
        |-> (fn (base' :: bases', def') =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1007
           apsnd (map_node modl_explode (Graph.new_node (name, (Def (base', SOME def')))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1008
              #> fold2 (fn name' => fn base' => Graph.new_node (name', (Def (base', NONE)))) names' bases')))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1009
        |> apsnd (fold (fn name => fold (add_dep name) deps) names)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1010
        |> apsnd (fold (map_node modl_explode o Graph.add_edge) (product names names))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1011
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1012
    fun group_defs [(_, CodeThingol.Bot)] =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1013
          I
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1014
      | group_defs ((defs as (_, CodeThingol.Fun _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1015
          add_group mk_funs defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1016
      | group_defs ((defs as (_, CodeThingol.Datatypecons _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1017
          add_group mk_datatype defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1018
      | group_defs ((defs as (_, CodeThingol.Datatype _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1019
          add_group mk_datatype defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1020
      | group_defs ((defs as (_, CodeThingol.Class _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1021
          add_group mk_class defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1022
      | group_defs ((defs as (_, CodeThingol.Classrel _)::_)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1023
          add_group mk_class defs
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1024
      | group_defs ((defs as (_, CodeThingol.Classparam _)::_)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1025
          add_group mk_class defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1026
      | group_defs ((defs as [(_, CodeThingol.Classinst _)])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1027
          add_group mk_inst defs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1028
      | group_defs defs = error ("Illegal mutual dependencies: " ^
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1029
          (commas o map (labelled_name o fst)) defs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1030
    val (_, nodes) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1031
      init_module
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1032
      |> fold group_defs (map (AList.make (Graph.get_node code))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1033
          (rev (Graph.strong_conn code)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1034
    fun deresolver prefix name = 
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1035
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1036
        val modl = (fst o dest_name) name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1037
        val modl' = (NameSpace.explode o name_modl) modl;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1038
        val (_, (_, remainder)) = chop_prefix (op =) (prefix, modl');
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1039
        val defname' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1040
          nodes
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1041
          |> fold (fn m => fn g => case Graph.get_node g m
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1042
              of Module (_, (_, g)) => g) modl'
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1043
          |> (fn g => case Graph.get_node g name of Def (defname, _) => defname);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1044
      in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1045
        NameSpace.implode (remainder @ [defname'])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1046
      end handle Graph.UNDEF _ =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1047
        error ("Unknown definition name: " ^ labelled_name name);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1048
    fun the_prolog modlname = case module_prolog modlname
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1049
     of NONE => []
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1050
      | SOME p => [p, str ""];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1051
    fun pr_node prefix (Def (_, NONE)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1052
          NONE
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1053
      | pr_node prefix (Def (_, SOME def)) =
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1054
          SOME (pr_def tyco_syntax const_syntax labelled_name init_syms
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1055
            (deresolver prefix) is_cons def)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1056
      | pr_node prefix (Module (dmodlname, (_, nodes))) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1057
          SOME (pr_modl dmodlname (the_prolog (NameSpace.implode (prefix @ [dmodlname]))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1058
            @ separate (str "") ((map_filter (pr_node (prefix @ [dmodlname]) o Graph.get_node nodes)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1059
                o rev o flat o Graph.strong_conn) nodes)));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1060
    val p = Pretty.chunks (the_prolog "" @ separate (str "") ((map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1061
      (pr_node [] o Graph.get_node nodes) o rev o flat o Graph.strong_conn) nodes))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1062
  in output p end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1063
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1064
val eval_verbose = ref false;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1065
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1066
fun isar_seri_sml module file =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1067
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1068
    val output = case file
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1069
     of NONE => use_text "generated code" Output.ml_output (!eval_verbose) o code_output
24634
38db11874724 simplified PrintMode interfaces;
wenzelm
parents: 24630
diff changeset
  1070
      | SOME "-" => PrintMode.setmp [] writeln o code_output
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1071
      | SOME file => File.write (Path.explode file) o code_output;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1072
  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1073
    parse_args (Scan.succeed ())
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1074
    #> (fn () => seri_ml pr_sml pr_sml_modl module output)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1075
  end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1076
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1077
fun isar_seri_ocaml module file =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1078
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1079
    val output = case file
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1080
     of NONE => error "OCaml: no internal compilation"
24634
38db11874724 simplified PrintMode interfaces;
wenzelm
parents: 24630
diff changeset
  1081
      | SOME "-" => PrintMode.setmp [] writeln o code_output
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1082
      | SOME file => File.write (Path.explode file) o code_output;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1083
    fun output_file file = File.write (Path.explode file) o code_output;
24634
38db11874724 simplified PrintMode interfaces;
wenzelm
parents: 24630
diff changeset
  1084
    val output_diag = PrintMode.setmp [] writeln o code_output;
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1085
  in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1086
    parse_args (Scan.succeed ())
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1087
    #> (fn () => seri_ml pr_ocaml pr_ocaml_modl module output)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1088
  end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1089
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1090
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1091
(** Haskell serializer **)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1092
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1093
local
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1094
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1095
fun pr_bind' ((NONE, NONE), _) = str "_"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1096
  | pr_bind' ((SOME v, NONE), _) = str v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1097
  | pr_bind' ((NONE, SOME p), _) = p
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1098
  | pr_bind' ((SOME v, SOME p), _) = brackets [str v, str "@", p]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1099
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1100
val pr_bind_haskell = gen_pr_bind pr_bind';
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1101
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1102
in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1103
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1104
fun pr_haskell class_syntax tyco_syntax const_syntax labelled_name
24621
97d403d9ab54 clarified evaluation code
haftmann
parents: 24591
diff changeset
  1105
    init_syms deresolv_here deresolv is_cons deriving_show def =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1106
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1107
    fun class_name class = case class_syntax class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1108
     of NONE => deresolv class
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1109
      | SOME (class, _) => class;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1110
    fun classparam_name class classparam = case class_syntax class
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1111
     of NONE => deresolv_here classparam
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1112
      | SOME (_, classparam_syntax) => case classparam_syntax classparam
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1113
         of NONE => (snd o dest_name) classparam
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1114
          | SOME classparam => classparam
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1115
    fun pr_typparms tyvars vs =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1116
      case maps (fn (v, sort) => map (pair v) sort) vs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1117
       of [] => str ""
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1118
        | xs => Pretty.block [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1119
            Pretty.enum "," "(" ")" (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1120
              map (fn (v, class) => str
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1121
                (class_name class ^ " " ^ CodeName.lookup_var tyvars v)) xs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1122
            ),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1123
            str " => "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1124
          ];
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1125
    fun pr_tycoexpr tyvars fxy (tyco, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1126
      brackify fxy (str tyco :: map (pr_typ tyvars BR) tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1127
    and pr_typ tyvars fxy (tycoexpr as tyco `%% tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1128
          (case tyco_syntax tyco
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1129
           of NONE =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1130
                pr_tycoexpr tyvars fxy (deresolv tyco, tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1131
            | SOME (i, pr) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1132
                if not (i = length tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1133
                then error ("Number of argument mismatch in customary serialization: "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1134
                  ^ (string_of_int o length) tys ^ " given, "
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1135
                  ^ string_of_int i ^ " expected")
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1136
                else pr (pr_typ tyvars) fxy tys)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1137
      | pr_typ tyvars fxy (ITyVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1138
          (str o CodeName.lookup_var tyvars) v;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1139
    fun pr_typscheme_expr tyvars (vs, tycoexpr) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1140
      Pretty.block (pr_typparms tyvars vs @@ pr_tycoexpr tyvars NOBR tycoexpr);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1141
    fun pr_typscheme tyvars (vs, ty) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1142
      Pretty.block (pr_typparms tyvars vs @@ pr_typ tyvars NOBR ty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1143
    fun pr_term lhs vars fxy (IConst c) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1144
          pr_app lhs vars fxy (c, [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1145
      | pr_term lhs vars fxy (t as (t1 `$ t2)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1146
          (case CodeThingol.unfold_const_app t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1147
           of SOME app => pr_app lhs vars fxy app
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1148
            | _ =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1149
                brackify fxy [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1150
                  pr_term lhs vars NOBR t1,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1151
                  pr_term lhs vars BR t2
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1152
                ])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1153
      | pr_term lhs vars fxy (IVar v) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1154
          (str o CodeName.lookup_var vars) v
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1155
      | pr_term lhs vars fxy (t as _ `|-> _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1156
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1157
            val (binds, t') = CodeThingol.unfold_abs t;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1158
            fun pr ((v, pat), ty) = pr_bind BR ((SOME v, pat), ty);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1159
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1160
          in brackets (str "\\" :: ps @ str "->" @@ pr_term lhs vars' NOBR t') end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1161
      | pr_term lhs vars fxy (ICase (cases as (_, t0))) = (case CodeThingol.unfold_const_app t0
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1162
           of SOME (c_ts as ((c, _), _)) => if is_none (const_syntax c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1163
                then pr_case vars fxy cases
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1164
                else pr_app lhs vars fxy c_ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1165
            | NONE => pr_case vars fxy cases)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1166
    and pr_app' lhs vars ((c, _), ts) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1167
      (str o deresolv) c :: map (pr_term lhs vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1168
    and pr_app lhs vars = gen_pr_app pr_app' pr_term const_syntax labelled_name is_cons lhs vars
24284
f5afd33f5d02 fixed OCaml bug
haftmann
parents: 24251
diff changeset
  1169
    and pr_bind fxy = pr_bind_haskell pr_term fxy
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1170
    and pr_case vars fxy (cases as ((_, [_]), _)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1171
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1172
            val (binds, t) = CodeThingol.unfold_let (ICase cases);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1173
            fun pr ((pat, ty), t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1174
              vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1175
              |> pr_bind BR ((NONE, SOME pat), ty)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1176
              |>> (fn p => semicolon [p, str "=", pr_term false vars NOBR t])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1177
            val (ps, vars') = fold_map pr binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1178
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1179
            Pretty.block_enclose (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1180
              str "let {",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1181
              concat [str "}", str "in", pr_term false vars' NOBR t]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1182
            ) ps
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1183
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1184
      | pr_case vars fxy (((td, ty), bs as _ :: _), _) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1185
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1186
            fun pr (pat, t) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1187
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1188
                val (p, vars') = pr_bind NOBR ((NONE, SOME pat), ty) vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1189
              in semicolon [p, str "->", pr_term false vars' NOBR t] end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1190
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1191
            Pretty.block_enclose (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1192
              concat [str "(case", pr_term false vars NOBR td, str "of", str "{"],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1193
              str "})"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1194
            ) (map pr bs)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1195
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1196
      | pr_case vars fxy ((_, []), _) = str "error \"empty case\"";
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1197
    fun pr_def (name, CodeThingol.Fun ((vs, ty), [])) =
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1198
          let
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1199
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1200
            val n = (length o fst o CodeThingol.unfold_fun) ty;
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1201
          in
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1202
            Pretty.chunks [
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1203
              Pretty.block [
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1204
                (str o suffix " ::" o deresolv_here) name,
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1205
                Pretty.brk 1,
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1206
                pr_typscheme tyvars (vs, ty),
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1207
                str ";"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1208
              ],
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1209
              concat (
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1210
                (str o deresolv_here) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1211
                :: map str (replicate n "_")
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1212
                @ str "="
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1213
                :: str "error"
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1214
                @@ (str o (fn s => s ^ ";") o ML_Syntax.print_string o NameSpace.base o NameSpace.qualifier) name
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1215
              )
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1216
            ]
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1217
          end
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1218
      | pr_def (name, CodeThingol.Fun ((vs, ty), eqs)) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1219
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1220
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1221
            fun pr_eq ((ts, t), _) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1222
              let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1223
                val consts = map_filter
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1224
                  (fn c => if (is_some o const_syntax) c
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1225
                    then NONE else (SOME o NameSpace.base o deresolv) c)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1226
                    ((fold o CodeThingol.fold_constnames) (insert (op =)) (t :: ts) []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1227
                val vars = init_syms
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1228
                  |> CodeName.intro_vars consts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1229
                  |> CodeName.intro_vars ((fold o CodeThingol.fold_unbound_varnames)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1230
                       (insert (op =)) ts []);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1231
              in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1232
                semicolon (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1233
                  (str o deresolv_here) name
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1234
                  :: map (pr_term true vars BR) ts
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1235
                  @ str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1236
                  @@ pr_term false vars NOBR t
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1237
                )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1238
              end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1239
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1240
            Pretty.chunks (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1241
              Pretty.block [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1242
                (str o suffix " ::" o deresolv_here) name,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1243
                Pretty.brk 1,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1244
                pr_typscheme tyvars (vs, ty),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1245
                str ";"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1246
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1247
              :: map pr_eq eqs
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1248
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1249
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1250
      | pr_def (name, CodeThingol.Datatype (vs, [])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1251
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1252
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1253
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1254
            semicolon [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1255
              str "data",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1256
              pr_typscheme_expr tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1257
            ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1258
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1259
      | pr_def (name, CodeThingol.Datatype (vs, [(co, [ty])])) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1260
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1261
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1262
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1263
            semicolon (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1264
              str "newtype"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1265
              :: pr_typscheme_expr tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1266
              :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1267
              :: (str o deresolv_here) co
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1268
              :: pr_typ tyvars BR ty
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1269
              :: (if deriving_show name then [str "deriving (Read, Show)"] else [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1270
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1271
          end
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1272
      | pr_def (name, CodeThingol.Datatype (vs, co :: cos)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1273
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1274
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1275
            fun pr_co (co, tys) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1276
              concat (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1277
                (str o deresolv_here) co
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1278
                :: map (pr_typ tyvars BR) tys
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1279
              )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1280
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1281
            semicolon (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1282
              str "data"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1283
              :: pr_typscheme_expr tyvars (vs, (deresolv_here name, map (ITyVar o fst) vs))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1284
              :: str "="
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1285
              :: pr_co co
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1286
              :: map ((fn p => Pretty.block [str "| ", p]) o pr_co) cos
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1287
              @ (if deriving_show name then [str "deriving (Read, Show)"] else [])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1288
            )
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1289
          end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1290
      | pr_def (name, CodeThingol.Class (v, (superclasses, classparams))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1291
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1292
            val tyvars = CodeName.intro_vars [v] init_syms;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1293
            fun pr_classparam (classparam, ty) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1294
              semicolon [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1295
                (str o classparam_name name) classparam,
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1296
                str "::",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1297
                pr_typ tyvars NOBR ty
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1298
              ]
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1299
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1300
            Pretty.block_enclose (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1301
              Pretty.block [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1302
                str "class ",
24811
3bf788a0c49a clarified role of class relations
haftmann
parents: 24750
diff changeset
  1303
                pr_typparms tyvars [(v, map fst superclasses)],
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1304
                str (deresolv_here name ^ " " ^ CodeName.lookup_var tyvars v),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1305
                str " where {"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1306
              ],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1307
              str "};"
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1308
            ) (map pr_classparam classparams)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1309
          end
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1310
      | pr_def (_, CodeThingol.Classinst ((class, (tyco, vs)), (_, classparam_insts))) =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1311
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1312
            val tyvars = CodeName.intro_vars (map fst vs) init_syms;
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1313
            fun pr_instdef ((classparam, c_inst), _) =
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1314
              semicolon [
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1315
                (str o classparam_name class) classparam,
24591
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1316
                str "=",
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1317
                pr_app false init_syms NOBR (c_inst, [])
6509626eb2c9 added explicit theorems
haftmann
parents: 24423
diff changeset
  1318
              ];
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1319
          in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1320
            Pretty.block_enclose (
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1321
              Pretty.block [
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1322
                str "instance ",
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1323
                pr_typparms tyvars vs,
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1324
                str (class_name class ^ " "),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1325
                pr_typ tyvars BR (tyco `%% map (ITyVar o fst) vs),
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1326
                str " where {"
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1327
              ],
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1328
              str "};"
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1329
            ) (map pr_instdef classparam_insts)
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1330
          end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1331
  in pr_def def end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1332
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1333
fun pretty_haskell_monad c_mbind c_kbind =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1334
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1335
    fun pretty pr vars fxy [(t, _)] =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1336
      let
24284
f5afd33f5d02 fixed OCaml bug
haftmann
parents: 24251
diff changeset
  1337
        val pr_bind = pr_bind_haskell (K pr);
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1338
        fun pr_mbind (NONE, t) vars =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1339
              (semicolon [pr vars NOBR t], vars)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1340
          | pr_mbind (SOME (bind, true), t) vars = vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1341
              |> pr_bind NOBR bind
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1342
              |>> (fn p => semicolon [p, str "<-", pr vars NOBR t])
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1343
          | pr_mbind (SOME (bind, false), t) vars = vars
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1344
              |> pr_bind NOBR bind
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1345
              |>> (fn p => semicolon [str "let", p, str "=", pr vars NOBR t]);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1346
        val (binds, t) = implode_monad c_mbind c_kbind t;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1347
        val (ps, vars') = fold_map pr_mbind binds vars;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1348
        fun brack p = if eval_fxy BR fxy then Pretty.block [str "(", p, str ")"] else p;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1349
      in (brack o Pretty.block_enclose (str "do {", str "}")) (ps @| pr vars' NOBR t) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1350
  in (1, pretty) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1351
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1352
end; (*local*)
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1353
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1354
fun seri_haskell module_prefix module destination string_classes labelled_name
24621
97d403d9ab54 clarified evaluation code
haftmann
parents: 24591
diff changeset
  1355
    reserved_syms raw_module_alias module_prolog
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1356
    class_syntax tyco_syntax const_syntax code =
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1357
  let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1358
    val _ = Option.map File.check destination;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1359
    val is_cons = CodeThingol.is_cons code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1360
    val module_alias = if is_some module then K module else raw_module_alias;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1361
    val init_names = Name.make_context reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1362
    val name_modl = mk_modl_name_tab init_names module_prefix module_alias code;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1363
    fun add_def (name, (def, deps)) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1364
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1365
        val (modl, base) = dest_name name;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1366
        fun name_def base = Name.variants [base] #>> the_single;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1367
        fun add_fun upper (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1368
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1369
            val (base', nsp_fun') = name_def (if upper then first_upper base else base) nsp_fun
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1370
          in (base', (nsp_fun', nsp_typ)) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1371
        fun add_typ (nsp_fun, nsp_typ) =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1372
          let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1373
            val (base', nsp_typ') = name_def (first_upper base) nsp_typ
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1374
          in (base', (nsp_fun, nsp_typ')) end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1375
        val add_name =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1376
          case def
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1377
           of CodeThingol.Bot => pair base
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1378
            | CodeThingol.Fun _ => add_fun false
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1379
            | CodeThingol.Datatype _ => add_typ
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1380
            | CodeThingol.Datatypecons _ => add_fun true
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1381
            | CodeThingol.Class _ => add_typ
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1382
            | CodeThingol.Classrel _ => pair base
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1383
            | CodeThingol.Classparam _ => add_fun false
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1384
            | CodeThingol.Classinst _ => pair base;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1385
        val modlname' = name_modl modl;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1386
        fun add_def base' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1387
          case def
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1388
           of CodeThingol.Bot => I
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1389
            | CodeThingol.Datatypecons _ =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1390
                cons (name, ((NameSpace.append modlname' base', base'), NONE))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1391
            | CodeThingol.Classrel _ => I
24841
df8448bc7a8b concept for exceptions
haftmann
parents: 24811
diff changeset
  1392
            | CodeThingol.Classparam _ =>
24219
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1393
                cons (name, ((NameSpace.append modlname' base', base'), NONE))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1394
            | _ => cons (name, ((NameSpace.append modlname' base', base'), SOME def));
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1395
      in
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1396
        Symtab.map_default (modlname', ([], ([], (init_names, init_names))))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1397
              (apfst (fold (insert (op = : string * string -> bool)) deps))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1398
        #> `(fn code => add_name ((snd o snd o the o Symtab.lookup code) modlname'))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1399
        #-> (fn (base', names) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1400
              (Symtab.map_entry modlname' o apsnd) (fn (defs, _) =>
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1401
              (add_def base' defs, names)))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1402
      end;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1403
    val code' =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1404
      fold add_def (AList.make (fn name => (Graph.get_node code name, Graph.imm_succs code name))
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1405
        (Graph.strong_conn code |> flat)) Symtab.empty;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1406
    val init_syms = CodeName.make_vars reserved_syms;
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1407
    fun deresolv name =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1408
      (fst o fst o the o AList.lookup (op =) ((fst o snd o the
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1409
        o Symtab.lookup code') ((name_modl o fst o dest_name) name))) name
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1410
        handle Option => error ("Unknown definition name: " ^ labelled_name name);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1411
    fun deresolv_here name =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1412
      (snd o fst o the o AList.lookup (op =) ((fst o snd o the
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1413
        o Symtab.lookup code') ((name_modl o fst o dest_name) name))) name
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1414
        handle Option => error ("Unknown definition name: " ^ labelled_name name);
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1415
    fun deriving_show tyco =
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1416
      let
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1417
        fun deriv _ "fun" = false
e558fe311376 new structure for code generator modules
haftmann
parents:
diff changeset
  1418
          | deriv tycos tyco = member (op =) tycos tyco orelse
e558fe311376 new structure for code generator modules
haft