72 lines
2.7 KiB
OCaml
72 lines
2.7 KiB
OCaml
(****************************************************************************)
|
|
(* *)
|
|
(* Objective Caml *)
|
|
(* *)
|
|
(* INRIA Rocquencourt *)
|
|
(* *)
|
|
(* Copyright 2006 Institut National de Recherche en Informatique et *)
|
|
(* en Automatique. All rights reserved. This file is distributed under *)
|
|
(* the terms of the GNU Library General Public License, with the special *)
|
|
(* exception on linking described in LICENSE at the top of the Objective *)
|
|
(* Caml source tree. *)
|
|
(* *)
|
|
(****************************************************************************)
|
|
|
|
(* Authors:
|
|
* - Daniel de Rauglaudre: initial version
|
|
* - Nicolas Pouillard: refactoring
|
|
*)
|
|
(* camlp4r *)
|
|
open Format;
|
|
|
|
type section = string;
|
|
|
|
value out_channel =
|
|
try
|
|
let f = Sys.getenv "CAMLP4_DEBUG_FILE" in
|
|
open_out_gen [Open_wronly; Open_creat; Open_append; Open_text]
|
|
0o666 f
|
|
with
|
|
[ Not_found -> stderr ];
|
|
|
|
module StringSet = Set.Make String;
|
|
|
|
value mode =
|
|
try
|
|
let str = Sys.getenv "CAMLP4_DEBUG" in
|
|
let rec loop acc i =
|
|
try
|
|
let pos = String.index_from str i ':' in
|
|
loop (StringSet.add (String.sub str i (pos - i)) acc) (pos + 1)
|
|
with
|
|
[ Not_found ->
|
|
StringSet.add (String.sub str i (String.length str - i)) acc ] in
|
|
let sections = loop StringSet.empty 0 in
|
|
if StringSet.mem "*" sections then fun _ -> True
|
|
else fun x -> StringSet.mem x sections
|
|
with [ Not_found -> fun _ -> False ];
|
|
|
|
value formatter =
|
|
let header = "camlp4-debug: " in
|
|
let normal s =
|
|
let rec self from accu =
|
|
try
|
|
let i = String.index_from s from '\n'
|
|
in self (i + 1) [String.sub s from (i - from + 1) :: accu]
|
|
with
|
|
[ Not_found -> [ String.sub s from (String.length s - from) :: accu ] ]
|
|
in String.concat header (List.rev (self 0 [])) in
|
|
let after_new_line str = header ^ normal str in
|
|
let f = ref after_new_line in
|
|
let output str chr = do {
|
|
output_string out_channel (f.val str);
|
|
output_char out_channel chr;
|
|
f.val := if chr = '\n' then after_new_line else normal;
|
|
} in
|
|
(make_formatter
|
|
(fun buf pos len ->
|
|
let p = pred len in output (String.sub buf pos p) buf.[pos + p])
|
|
(fun () -> flush out_channel));
|
|
|
|
value printf section fmt = fprintf formatter ("%s: " ^^ fmt) section;
|