js_cmj_load.ml

(* Copyright (C) Hongbo Zhang, Authors of ReScript
 * 
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition to the permissions granted to you by the LGPL, you may combine
 * or link a "work that uses the Library" with a publicly distributed version
 * of this file to produce a combined library or application, then distribute
 * that combined work under the terms of your choosing, with no requirement
 * to comply with the obligations normally placed on you by section 4 of the
 * LGPL version 3 (or the corresponding section of a later version of the LGPL
 * should you choose to use a 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. *)

(* strategy:
   If not installed, use the distributed [cmj] files,
   make sure that the distributed files are platform independent
*)

(*
   let load_unit_no_file unit_name : Js_cmj_format.cmj_load_info =
     let file = unit_name ^ Literals.suffix_cmj in
     match Config_util.find_opt file with
     | Some f
       ->
       {package_path =
          (** hacking relying on the convention of pkg/lib/ocaml/xx.cmj*)
          Filename.dirname (Filename.dirname (Filename.dirname f));
        cmj_table =  Js_cmj_format.from_file f}
     | None ->
       Bs_exception.error (Cmj_not_found unit_name) *)

let load_unit_with_file unit_name : Js_cmj_format.cmj_load_info =
  let file = unit_name ^ Literals.suffix_cmj in
  match Config_util.find_opt file with
  | Some f ->
    {
      package_path =
        (* hacking relying on the convention of pkg/lib/ocaml/xx.cmj*)
        Filename.dirname (Filename.dirname (Filename.dirname f));
      cmj_table = Js_cmj_format.from_file f;
    }
  | None -> Bs_exception.error (Cmj_not_found unit_name)

(* we can disable loading from file for troubleshooting
   Note in dev mode we still allow loading from file is to
   make the dev build still function correct
*)
let load_unit = ref load_unit_with_file