#!/usr/bin/env python
"""
Reads a list of Z3 API header files and
generate a ``.def`` file to define the
exported symbols of a dll. This file
can be passed to the ``/DEF`` to the
linker used by MSVC.
"""
import mk_util
import argparse
import logging
import os
import sys

def main(args):
  logging.basicConfig(level=logging.INFO)
  parser = argparse.ArgumentParser(description=__doc__)
  parser.add_argument("output_file", help="output def file path")
  parser.add_argument("dllname", help="dllname to use in def file")
  parser.add_argument("api_files", nargs="+")
  pargs = parser.parse_args(args)

  for api_file in pargs.api_files:
    if not os.path.exists(api_file):
      logging.error('"{}" does not exist'.format(api_file))
      return 1

  mk_util.mk_def_file_internal(
    pargs.output_file,
    pargs.dllname,
    pargs.api_files)
  return 0

if __name__ == '__main__':
  sys.exit(main(sys.argv[1:]))