def main(argv: typing.List[str]) -> int:
parser = Parser()
groups = parser.parse()
generator = Generator(groups)
generator.generate(out_dir)
return 0
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='AST optimizer')
parser.add_argument('input',
type=str,
metavar='Input_File',
help='Input .c file path')
parser.add_argument('output',
type=str,
metavar='Output_File',
help='Output .c file path')
parser.add_argument('--debug', action='store_true')
args = parser.parse_args()
src_path = args.input
target_path = args.output
parser = Parser(debug=args.debug)
ast = parser.run(src_path)
if args.debug:
printVisitor = PrintVisitor()
ast.accept(printVisitor)
print(printVisitor)
constantFoldingVisitor = ConstantFoldingVisitor(debug=args.debug,
mark_used=True)
ast.accept(constantFoldingVisitor)
ast.accept(constantFoldingVisitor)
writeVisitor = WriteVisitor(dead_code_elimination=True)
s = ast.accept(writeVisitor)
f = open(target_path, 'w')
f.write(s)
f.close()