utils.py

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#!/usr/bin/env python
#
# Copyright 2007 Neal Norwitz
# Portions Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Generic utilities for C++ parsing."""

__author__ = 'nnorwitz@google.com (Neal Norwitz)'


import sys


# Set to True to see the start/end token indices.
DEBUG = True


def ReadFile(filename, print_error=True):
    """Returns the contents of a file."""
    try:
        fp = open(filename)
        try:
            return fp.read()
        finally:
            fp.close()
    except IOError:
        if print_error:
            print(('Error reading %s: %s' % (filename, sys.exc_info()[1])))
        return None