tools/metrics/histograms/update_bad_message_reasons.py

   1 # Copyright 2015 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Updates the various BadMessage enums in histograms.xml file with values read
   6 from the corresponding bad_message.h files.
   7
   8 If the file was pretty-printed, the updated version is pretty-printed too.
   9 """
  10
  11 import sys
  12
  13 from update_histogram_enum import UpdateHistogramEnum
  14
  15 if __name__ == '__main__':
  16   if len(sys.argv) > 1:
  17     print >>sys.stderr, 'No arguments expected!'
  18     sys.stderr.write(__doc__)
  19     sys.exit(1)
  20
  21   histograms = {
  22     'chrome/browser/bad_message.h': 'BadMessageReasonChrome',
  23     'content/browser/bad_message.h': 'BadMessageReasonContent',
  24     'components/nacl/browser/bad_message.h': 'BadMessageReasonNaCl',
  25     'components/password_manager/content/browser/bad_message.h':
  26       'BadMessageReasonPasswordManager',
  27     'extensions/browser/bad_message.h': 'BadMessageReasonExtensions',
  28   }
  29
  30   for header_file, histogram_name in histograms.items():
  31     UpdateHistogramEnum(histogram_enum_name=histogram_name,
  32                         source_enum_path=header_file,
  33                         start_marker='^enum (class )?BadMessageReason {',
  34                         end_marker='^BAD_MESSAGE_MAX')