toplevel/genprintval.mli

   1 (***********************************************************************)
   2 (*                                                                     *)
   3 (*                           Objective Caml                            *)
   4 (*                                                                     *)
   5 (*          Jerome Vouillon, projet Cristal, INRIA Rocquencourt        *)
   6 (*                                                                     *)
   7 (*  Copyright 1996 Institut National de Recherche en Informatique et   *)
   8 (*  en Automatique.  All rights reserved.  This file is distributed    *)
   9 (*  under the terms of the Q Public License version 1.0.               *)
  10 (*                                                                     *)
  11 (***********************************************************************)
  12
  13 (* $Id$ *)
  14
  15 (* Printing of values *)
  16
  17 open Types
  18 open Format
  19
  20 module type OBJ =
  21   sig
  22     type t
  23     val obj : t -> 'a
  24     val is_block : t -> bool
  25     val tag : t -> int
  26     val size : t -> int
  27     val field : t -> int -> t
  28   end
  29
  30 module type EVALPATH =
  31   sig
  32     type value
  33     val eval_path: Path.t -> value
  34     exception Error
  35     val same_value: value -> value -> bool
  36   end
  37
  38 module type S =
  39   sig
  40     type t
  41     val install_printer :
  42           Path.t -> Types.type_expr -> (formatter -> t -> unit) -> unit
  43     val remove_printer : Path.t -> unit
  44     val outval_of_untyped_exception : t -> Outcometree.out_value
  45     val outval_of_value :
  46           int -> int ->
  47           (int -> t -> Types.type_expr -> Outcometree.out_value option) ->
  48           Env.t -> t -> type_expr -> Outcometree.out_value
  49   end
  50
  51 module Make(O : OBJ)(EVP : EVALPATH with type value = O.t) :
  52          (S with type t = O.t)