utils.py 1.1 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. #!/usr/bin/env python
  2. #
  3. # Copyright 2007 Neal Norwitz
  4. # Portions Copyright 2007 Google Inc.
  5. #
  6. # Licensed under the Apache License, Version 2.0 (the "License");
  7. # you may not use this file except in compliance with the License.
  8. # You may obtain a copy of the License at
  9. #
  10. # http://www.apache.org/licenses/LICENSE-2.0
  11. #
  12. # Unless required by applicable law or agreed to in writing, software
  13. # distributed under the License is distributed on an "AS IS" BASIS,
  14. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. # See the License for the specific language governing permissions and
  16. # limitations under the License.
  17. """Generic utilities for C++ parsing."""
  18. import sys
  19. # Set to True to see the start/end token indices.
  20. DEBUG = True
  21. def ReadFile(filename, print_error=True):
  22. """Returns the contents of a file."""
  23. try:
  24. fp = open(filename)
  25. try:
  26. return fp.read()
  27. finally:
  28. fp.close()
  29. except IOError:
  30. if print_error:
  31. print('Error reading %s: %s' % (filename, sys.exc_info()[1]))
  32. return None