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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. *)
let append_string r =
Arg.String (fun v -> r := !r @ [v])
let set_string_option r =
Arg.String (fun v -> r := Some v)
(** Common options *)
let npar j =
"-j",Arg.Int (fun i -> j := Some (max i 1)),
"<n> concurrent run with at most <n> instances"
let nohash b =
"-nohash",Arg.Unit (fun () -> b := true),
"do not check hashes"
(** Validators. *)
let validate check msg (key, spec, doc) =
let check_value v =
if not (check v) then
raise (Arg.Bad (Printf.sprintf "Invalid %s: %s" key msg))
in
let spec =
match spec with
| Arg.String f ->
Arg.String (fun v -> check_value v ; f v)
| Arg.Set_string r ->
Arg.String (fun v -> check_value v ; r := v)
| _ ->
failwith "Args.validate only accepts Arg.String or Arg.Set_string"
in
key, spec, doc
let is_file =
validate (fun v -> Sys.file_exists v && not (Sys.is_directory v)) "Must be a path to a file"
let is_dir =
validate Sys.is_directory "Must be a path to a directory"
|
