astdump_main.ml

(* Copyright (C) 2017 Authors of BuckleScript
 * 
 * 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. *)

let p = Format.fprintf 

let () = 
  match Sys.argv with 
  | [|_; file|]
    -> 
    let ic = open_in_bin file in 

    let arrs = 
      Bsb_helper_depfile_gen.deps_of_channel ic 
    in
    p Format.std_formatter "@[Dependent modules: @[%a@]@]@."
      (Format.pp_print_list ~pp_sep:(fun fmt () ->
           p fmt "@ ;"
         ) Format.pp_print_string) 
      (Array.to_list arrs);
    p Format.std_formatter "@.==============================@.";
    if Ext_path.check_suffix_case file ".mlast" then 
      begin
        Pprintast.structure Format.std_formatter
          (Ml_binary.read_ast Ml_binary.Ml ic );
        close_in ic 
      end
    else if Ext_path.check_suffix_case file ".mliast" then 
      begin
        Pprintast.signature Format.std_formatter
          (Ml_binary.read_ast Ml_binary.Mli ic);
        close_in ic
      end
    else assert false

  | _ -> failwith "expect one argument"