ocaml/toplevel/genprintval.mli

71 lines
2.5 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Printing of values *)
open Types
open Format
module type OBJ =
sig
type t
val obj : t -> 'a
val is_block : t -> bool
val tag : t -> int
val size : t -> int
val field : t -> int -> t
end
module type EVALPATH =
sig
type valu
val eval_path: Env.t -> Path.t -> valu
exception Error
val same_value: valu -> valu -> bool
end
type ('a, 'b) gen_printer =
| Zero of 'b
| Succ of ('a -> ('a, 'b) gen_printer)
module type S =
sig
type t
val install_printer :
Path.t -> Types.type_expr -> (formatter -> t -> unit) -> unit
val install_generic_printer :
Path.t -> Path.t ->
(int -> (int -> t -> Outcometree.out_value,
t -> Outcometree.out_value) gen_printer) ->
unit
val install_generic_printer' :
Path.t -> Path.t ->
(formatter -> t -> unit,
formatter -> t -> unit) gen_printer ->
unit
(** [install_generic_printer' function_path constructor_path printer]
function_path is used to remove the printer. *)
val remove_printer : Path.t -> unit
val outval_of_untyped_exception : t -> Outcometree.out_value
val outval_of_value :
int -> int ->
(int -> t -> Types.type_expr -> Outcometree.out_value option) ->
Env.t -> t -> type_expr -> Outcometree.out_value
end
module Make(O : OBJ)(EVP : EVALPATH with type valu = O.t) :
(S with type t = O.t)