The Tor Browser: media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 #!/usr/bin/env python

     2 # Copyright (c) 2012 The LibYuv Project Authors. All rights reserved.

3 #

     4 # Use of this source code is governed by a BSD-style license

     5 # that can be found in the LICENSE file in the root of the source

     6 # tree. An additional intellectual property rights grant can be found

     7 # in the file PATENTS.  All contributing project authors may

     8 # be found in the AUTHORS file in the root of the source tree.

    10 """

    11 Copied from Chrome's src/tools/valgrind/memcheck/PRESUBMIT.py

    13 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts

    14 for more details on the presubmit API built into gcl.

    15 """

    17 import os

    18 import re

    19 import sys

    21 def CheckChange(input_api, output_api):

    22   """Checks the memcheck suppressions files for bad data."""

    24   # Add the path to the Chrome valgrind dir to the import path:

    25   tools_vg_path = os.path.join(input_api.PresubmitLocalPath(), '..', '..',

    26                                'valgrind')

    27   sys.path.append(tools_vg_path)

    28   import suppressions

    30   sup_regex = re.compile('suppressions.*\.txt$')

    31   suppressions = {}

    32   errors = []

    33   check_for_memcheck = False

    34   # skip_next_line has 3 possible values:

    35   # - False: don't skip the next line.

    36   # - 'skip_suppression_name': the next line is a suppression name, skip.

    37   # - 'skip_param': the next line is a system call parameter error, skip.

    38   skip_next_line = False

    39   for f in filter(lambda x: sup_regex.search(x.LocalPath()),

    40                   input_api.AffectedFiles()):

    41     for line, line_num in zip(f.NewContents(),

    42                               xrange(1, len(f.NewContents()) + 1)):

    43       line = line.lstrip()

    44       if line.startswith('#') or not line:

    45         continue

    47       if skip_next_line:

    48         if skip_next_line == 'skip_suppression_name':

    49           if 'insert_a_suppression_name_here' in line:

    50             errors.append('"insert_a_suppression_name_here" is not a valid '

    51                           'suppression name')

    52           if suppressions.has_key(line):

    53             if f.LocalPath() == suppressions[line][1]:

    54               errors.append('suppression with name "%s" at %s line %s '

    55                             'has already been defined at line %s' %

    56                             (line, f.LocalPath(), line_num,

    57                              suppressions[line][1]))

    58             else:

    59               errors.append('suppression with name "%s" at %s line %s '

    60                             'has already been defined at %s line %s' %

    61                             (line, f.LocalPath(), line_num,

    62                              suppressions[line][0], suppressions[line][1]))

    63           else:

    64             suppressions[line] = (f, line_num)

    65             check_for_memcheck = True;

    66         skip_next_line = False

    67         continue

    68       if check_for_memcheck:

    69         if not line.startswith('Memcheck:'):

    70           errors.append('"%s" should be "Memcheck:..." in %s line %s' %

    71                         (line, f.LocalPath(), line_num))

    72         check_for_memcheck = False;

    73       if line == '{':

    74         skip_next_line = 'skip_suppression_name'

    75         continue

    76       if line == "Memcheck:Param":

    77         skip_next_line = 'skip_param'

    78         continue

    80       if (line.startswith('fun:') or line.startswith('obj:') or

    81           line.startswith('Memcheck:') or line == '}' or

    82           line == '...'):

    83         continue

    84       errors.append('"%s" is probably wrong: %s line %s' % (line, f.LocalPath(),

    85                                                             line_num))

    86   if errors:

    87     return [output_api.PresubmitError('\n'.join(errors))]

    88   return []

    90 def CheckChangeOnUpload(input_api, output_api):

    91   return CheckChange(input_api, output_api)

    93 def CheckChangeOnCommit(input_api, output_api):

    94   return CheckChange(input_api, output_api)

    96 def GetPreferredTrySlaves():

    97   # We don't have any memcheck slaves yet, so there's no use for this method.

    98   # When we have, the slave name(s) should be put into this list.

    99   return []

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