2 * Copyright (C) 2003-2004:
3 * Stefano Zacchiroli <zack@cs.unibo.it>
4 * for the HELM Team http://helm.cs.unibo.it/
6 * This file is part of HELM, an Hypertextual, Electronic
7 * Library of Mathematics, developed at the Computer Science
8 * Department, University of Bologna, Italy.
10 * HELM is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * HELM is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with HELM; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
25 * For details, see the HELM World-Wide-Web page,
26 * http://helm.cs.unibo.it/
29 (** {2 Debugger and logger} *)
32 * 0 -> logging disabled
33 * 1 -> standard logging
34 * >=2 -> verbose logging
36 val get_log_level: unit -> int
37 val set_log_level: int -> unit
39 (** log a message through the logger with a given log level
40 * level defaults to 1, higher level denotes more verbose messages which are
41 * ignored with the default log_level *)
42 val log: ?level: int -> string -> unit
44 (** if set to Some fname, fname will be used as a logfile, otherwise stderr
46 val get_log_file: unit -> string option
47 val set_log_file: string option -> unit
48 val close_log_file: unit -> unit