50 lines
1.6 KiB
OCaml
50 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_log_rules
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* Copyright (C) 2010 Jérémie Dimino <jeremie@dimino.org>
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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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{
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let invalid () =
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Printf.eprintf "%s: invalid contents of the LWT_LOG variable\n%!" (Filename.basename Sys.argv.(0))
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}
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let space = [' ' '\t' '\n']
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let pattern = [^ ' ' '\t' '\n']+
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let level = ['a'-'z' 'A'-'Z']+
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rule rules = parse
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| space* (pattern as pattern) space* "->" space* (level as level)
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{ (pattern, level) :: semi_colon_and_rules lexbuf }
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| space* (level as level)
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{ ("*", level) :: semi_colon_and_rules lexbuf }
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| space* eof
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{ [] }
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| ""
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{ invalid (); [] }
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and semi_colon_and_rules = parse
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| space* ";"
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{ rules lexbuf }
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| space* eof
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{ [] }
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| ""
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{ invalid (); [] }
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