#!/usr/bin/env escript
%% -*- erlang -*-

%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2013-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%

-mode(compile).

-export([main/1]).

main([BeamFile,AbstrFile]) ->
    {ok,_,Chunks0} = beam_lib:all_chunks(BeamFile),
    {ok,Abstr} = file:consult(AbstrFile),
    {"CInf",CInf0} = lists:keyfind("CInf", 1, Chunks0),
    {CInf, COpts} = fix_options(CInf0),
    Chunks1 = lists:keyreplace("CInf", 1, Chunks0, {"CInf",CInf}),
    Chunks2 = lists:keyreplace("Dbgi", 1, Chunks1,
                   {"Dbgi",term_to_binary({debug_info_v1,erl_abstract_code,{Abstr, COpts}})}),
    {ok,Module} = beam_lib:build_module(Chunks2),
    ok = file:write_file(BeamFile, Module),
    init:stop().

fix_options(CInf0) ->
    CInf1 = binary_to_term(CInf0),
    {options,Opts0} = lists:keyfind(options, 1, CInf1),
    Opts = Opts0 -- [from_asm],
    CInf = lists:keyreplace(options, 1, CInf1, {options,Opts}),
    {term_to_binary(CInf), Opts}.