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(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Compat (* necessary for camlp4 *)

type extend_token =
| ExtTerminal of string
| ExtNonTerminal of Genarg.argument_type * Extend.user_symbol * string

val mlexpr_of_list :  ('a -> MLast.expr) -> 'a list -> MLast.expr

val mlexpr_of_pair :
  ('a -> MLast.expr) -> ('b -> MLast.expr)
    -> 'a * 'b -> MLast.expr

val mlexpr_of_bool : bool -> MLast.expr

val mlexpr_of_int : int -> MLast.expr

val mlexpr_of_string : string -> MLast.expr

val mlexpr_of_option : ('a -> MLast.expr) -> 'a option -> MLast.expr

val mlexpr_of_ident : string -> MLast.expr

val mlexpr_of_prod_entry_key : (string -> MLast.expr) -> Extend.user_symbol -> MLast.expr

val type_of_user_symbol : Extend.user_symbol -> Genarg.argument_type

val parse_user_entry : string -> string -> Extend.user_symbol