48 lines
1.6 KiB
OCaml
48 lines
1.6 KiB
OCaml
(* Lightweight thread library for Objective Caml
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* http://www.ocsigen.org/lwt
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* Module Lwt_simple_top
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* Copyright (C) 2009 Jérémie Dimino
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, with linking exceptions;
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* either version 2.1 of the License, or (at your option) any later
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* version. See COPYING file for details.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*)
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(* Integration with the toplevel for people who do not have the
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enhanced toplevel (package lwt.top, which require ocaml-text). *)
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open Lwt
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open Lwt_io
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let read_input_non_interactive prompt buffer len =
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let rec loop i =
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if i = len then
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return (i, false)
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else
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read_char_opt stdin >>= function
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| Some c ->
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buffer.[i] <- c;
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if c = '\n' then
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return (i + 1, false)
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else
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loop (i + 1)
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| None ->
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return (i, true)
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in
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Lwt_main.run (write stdout prompt >> loop 0)
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let _ =
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Toploop.read_interactive_input := read_input_non_interactive
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