#!/usr/bin/env python
#*****************************************************************************
# Copyright (c) 2019-2023, NVIDIA CORPORATION. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#  * Neither the name of NVIDIA CORPORATION nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#*****************************************************************************

# This script generates libmdlrt_bitcode.h from libmdlrt.bc

import sys
import os

copyright_str = """
/******************************************************************************
 * Copyright 2023 NVIDIA Corporation. All rights reserved.
 *****************************************************************************/
"""

def xxd(filename, fout):
    f = open(filename, "rb")
    bytes = f.read()

    i = 0
    fout.write("\t")
    for byte in bytes:
        if isinstance(byte, str):
            byte = ord(byte)
        fout.write("0x%02x, " % byte)
        if i == 7:
            fout.write("\n\t")
            i = 0
        else:
            i += 1


def usage():
    print("Usage: %s <inputfile> <output directory>" % sys.argv[0])
    return 1


def main(args):
    if len(args) != 3:
        return usage()

    bc_name        = args[1]
    IntDir         = args[2]

    out_name = "libmdlrt_bitcode.h"

    print("Generating %s ..." % out_name)
    with open(os.path.join(IntDir, out_name), "w") as f:
        f.write(copyright_str)
        f.write("\n// Automatically generated from libmdlrt.bc\n\n"
            "static unsigned char const libmdlrt_bitcode[] = {\n")
        xxd(bc_name, f)
        f.write("};\n")

    return 0

if __name__ == "__main__":
    sys.exit(main(sys.argv))
