tools/heapcheck/PRESUBMIT.py

   1 # Copyright (c) 2011 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 """
   6 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
   7 for more details on the presubmit API built into gcl.
   8 """
   9
  10 import re
  11
  12 def CheckChange(input_api, output_api):
  13   """Checks the heapcheck suppressions files for bad data."""
  14   sup_regex = re.compile('suppressions.*\.txt$')
  15   suppressions = {}
  16   errors = []
  17   check_for_heapcheck = False
  18   skip_next_line = False
  19   for f in filter(lambda x: sup_regex.search(x.LocalPath()),
  20                   input_api.AffectedFiles()):
  21     for line, line_num in zip(f.NewContents(),
  22                               xrange(1, len(f.NewContents()) + 1)):
  23       line = line.lstrip()
  24       if line.startswith('#') or not line:
  25         continue
  26
  27       if skip_next_line:
  28         if 'insert_a_suppression_name_here' in line:
  29           errors.append('"insert_a_suppression_name_here" is not a valid '
  30                         'suppression name')
  31         if suppressions.has_key(line):
  32           errors.append('suppression with name "%s" at %s line %s has already '
  33                         'been defined at line %s' % (line, f.LocalPath(),
  34                                                      line_num,
  35                                                      suppressions[line][1]))
  36         else:
  37           suppressions[line] = (f, line_num)
  38           check_for_heapcheck = True
  39         skip_next_line = False
  40         continue
  41       if check_for_heapcheck:
  42         if not line == 'Heapcheck:Leak':
  43           errors.append('"%s" should be "Heapcheck:Leak" in %s line %s' %
  44                         (line, f.LocalPath(), line_num))
  45         check_for_heapcheck = False;
  46       if line == '{':
  47         skip_next_line = True
  48         continue
  49       if (line.startswith('fun:') or line.startswith('obj:') or
  50           line == 'Heapcheck:Leak' or line == '}' or
  51           line == '...'):
  52         continue
  53       errors.append('"%s" is probably wrong: %s line %s' % (line, f.LocalPath(),
  54                                                             line_num))
  55   if errors:
  56     return [output_api.PresubmitError('\n'.join(errors))]
  57   return []
  58
  59 def CheckChangeOnUpload(input_api, output_api):
  60   return CheckChange(input_api, output_api)
  61
  62 def CheckChangeOnCommit(input_api, output_api):
  63   return CheckChange(input_api, output_api)