ocaml/typing/datarepr.mli

45 lines
1.9 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, 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. *)
(* *)
(**************************************************************************)
(* Compute constructor and label descriptions from type declarations,
determining their representation. *)
open Types
val extension_descr:
Path.t -> extension_constructor -> constructor_description
val labels_of_type:
Path.t -> type_declaration ->
(Ident.t * label_description) list
val constructors_of_type:
Path.t -> type_declaration ->
(Ident.t * constructor_description) list
exception Constr_not_found
val find_constr_by_tag:
constructor_tag -> constructor_declaration list ->
constructor_declaration
val constructor_existentials :
constructor_arguments -> type_expr option -> type_expr list * type_expr list
(** Takes [cd_args] and [cd_res] from a [constructor_declaration] and
returns:
- the types of the constructor's arguments
- the existential variables introduced by the constructor
*)