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(* Js_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open! Stdlib
let find_pkg_dir_ref = ref (fun _ -> None)
let set_find_pkg_dir f = find_pkg_dir_ref := f
let find_pkg_dir pkg = !find_pkg_dir_ref pkg
let path_require_findlib path =
match String.drop_prefix path ~prefix:"+" with
| None -> None
| Some suffix -> (
match String.lsplit2 ~on:'/' suffix with
| None -> Some ("stdlib", suffix)
| Some (pkg, suffix) -> Some (pkg, suffix))
let find paths name =
match path_require_findlib name with
| Some (pkg, suffix) -> (
match find_pkg_dir pkg with
| None -> None
| Some dir -> Fs.find_in_path [] (Filename.concat dir suffix))
| None -> Fs.find_in_path paths name
|
