mirror of
https://github.com/c-cube/ocaml-containers.git
synced 2026-01-27 11:24:50 -05:00
54 lines
1.7 KiB
OCaml
54 lines
1.7 KiB
OCaml
|
|
(*
|
|
copyright (c) 2014, simon cruanes
|
|
all rights reserved.
|
|
|
|
redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
|
|
redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer. redistributions in binary
|
|
form must reproduce the above copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other materials provided with
|
|
the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*)
|
|
|
|
(** {1 Hierarchic logging} *)
|
|
|
|
type t = {
|
|
name : string;
|
|
out : out_channel;
|
|
cleanup : bool;
|
|
mutable context : string list;
|
|
}
|
|
|
|
let __new_name =
|
|
let r = ref 0 in
|
|
fun () ->
|
|
let name = Printf.sprintf "Tell.log_%d" !r in
|
|
incr r;
|
|
name
|
|
|
|
let to_chan ?(cleanup=false) o = {
|
|
name = __new_name ();
|
|
out = o;
|
|
cleanup;
|
|
context = [];
|
|
}
|
|
|
|
let to_file filename =
|
|
let o = open_out filename in
|
|
to_chan ~cleanup:true o
|
|
|
|
let step
|