text: import ast
  import sys
  import time
  
  from tests.utils import print_memstats
  
  
  def main() -> None:
      t0 = time.time()
      for filename in sys.argv[1:]:
          print(filename, end="\r")
          try:
              with open(filename) as file:
                  source = file.read()
              tree = ast.parse(source, filename)
          except Exception as err:
              print(f"{filename}: {err.__class__.__name__}: {err}", file=sys.stderr)
      tok = None
      t1 = time.time()
      dt = t1 - t0
      print(f"Parsed in {dt:.3f} secs", file=sys.stderr)
      print_memstats()
  
  
  if __name__ == "__main__":
      main()
  