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(****************************************************************************)
(* the diy toolsuite *)
(* *)
(* Jade Alglave, University College London, UK. *)
(* Luc Maranget, INRIA Paris-Rocquencourt, France. *)
(* *)
(* Copyright 2013-present Institut National de Recherche en Informatique et *)
(* en Automatique, ARM Ltd and the authors. All rights reserved. *)
(* *)
(* This software is governed by the CeCILL-B license under French law and *)
(* abiding by the rules of distribution of free software. You can use, *)
(* modify and/ or redistribute the software under the terms of the CeCILL-B *)
(* license as circulated by CEA, CNRS and INRIA at the following URL *)
(* "http://www.cecill.info". We also give a copy in LICENSE.txt. *)
(****************************************************************************)
(** Utilities for using the built-in Arg module. *)
type spec = Arg.key * Arg.spec * Arg.doc
(* Specs. *)
(** [append_string r] builds an Arg.spec that appends to the string list
* referenced by [r]. *)
val append_string : string list ref -> Arg.spec
(** [set_string_option r] builds an Arg.spec that, for argument value [v], sets
* the string option referenced by [r] to [Some v]. *)
val set_string_option : string option ref -> Arg.spec
(** Common options *)
(** [npar j] Build an Arg.spec for setting j, with documentation as
* setting the parallelism level. *)
val npar : int option ref -> spec
(** [nohash b] Build an Arg.spec for setting b to true, with documentation
as not checking hashes *)
val nohash : bool ref -> spec
(** Validators. *)
(** [is_file (k, s, d)] returns [k, s', d], where [s'] wraps [s] with an
* Arg.spec that raises Arg.Bad if the argument is not a valid path to a file. *)
val is_file : spec -> spec
(** [is_dir (k, s, d)] returns [k, s', d], where [s'] wraps [s] with an
* Arg.spec that raises Arg.Bad if the argument is not a valid path to a
* directory. *)
val is_dir : spec -> spec
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