

def main():
    INFO = 'Verilog code parser'
    VERSION = pyverilog.utils.version.VERSION
    USAGE = 'Usage: python example_parser.py file ...'

    def showVersion():
        print(INFO)
        print(VERSION)
        print(USAGE)
        sys.exit()
    optparser = OptionParser()
    optparser.add_option('-v', '--version', action='store_true', dest='showversion', default=False, help='Show the version')
    optparser.add_option('-I', '--include', dest='include', action='append', default=[], help='Include path')
    optparser.add_option('-D', dest='define', action='append', default=[], help='Macro Definition')
    (options, args) = optparser.parse_args()
    filelist = args
    if options.showversion:
        showVersion()
    for f in filelist:
        if (not os.path.exists(f)):
            raise IOError(('file not found: ' + f))
    if (len(filelist) == 0):
        showVersion()
    (ast, directives) = parse(filelist, preprocess_include=options.include, preprocess_define=options.define)
    ast.show()
    for (lineno, directive) in directives:
        print(('Line %d : %s' % (USAGE, directive)))

dataset/ETHPy150Open PyHDI/Pyverilog/examples/example_parser.py main/VarMisuse@263/370 `lineno`->`USAGE`