standalone.py 文件源码

def parseArguments():
    "Argument parser for standalone hdlcc"

    if ('--version' in sys.argv[1:]) or ('-V' in sys.argv[1:]):  # pragma: no cover
        print(hdlcc.__version__)
        sys.exit(0)

    parser = argparse.ArgumentParser()

    # Options
    parser.add_argument('--version', action='store_true',
                        help="Shows hdlcc version and exit")

    parser.add_argument('--verbose', '-v', action='append_const', const=1,
                        help="""Increases verbose level. Use multiple times to
                                increase more""")

    parser.add_argument('--clean', '-c', action='store_true',
                        help="Cleans the project before building")

    parser.add_argument('--sources', '-s', action='append', nargs='*', default=[],
                        help="""Source(s) file(s) to build individually""") \
                            .completer = _fileExtentensionCompleter('vhd')

    parser.add_argument('--debug-print-sources', action='store_true')
    parser.add_argument('--debug-parse-source-file', action='store_true')
    parser.add_argument('--debug-run-static-check', action='store_true')
    parser.add_argument('--debug-profiling', action='store', nargs='?',
                        metavar='OUTPUT_FILENAME', const='hdlcc.pstats')

    # Mandatory arguments
    parser.add_argument('project_file', action='store', nargs=1,
                        help="""Configuration file that defines what should be
                        built (lists sources, libraries, build flags and so on""")


    if _HAS_ARGCOMPLETE: # pragma: no cover
        argcomplete.autocomplete(parser)

    args = parser.parse_args()

    # PYTHON_ARGCOMPLETE_OK

    args.project_file = args.project_file[0]

    args.log_level = logging.FATAL
    if args.verbose:
        if len(args.verbose) == 1:
            args.log_level = logging.WARNING
        elif len(args.verbose) == 2:
            args.log_level = logging.INFO
        else:
            args.log_level = logging.DEBUG

    # Planify source list if supplied
    if args.sources:
        args.sources = [source for sublist in args.sources for source in sublist]

    return args