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comparison: media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py
media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py
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| 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. | |
| 9 | |
| 10 """ | |
| 11 Copied from Chrome's src/tools/valgrind/memcheck/PRESUBMIT.py | |
| 12 | |
| 13 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts | |
| 14 for more details on the presubmit API built into gcl. | |
| 15 """ | |
| 16 | |
| 17 import os | |
| 18 import re | |
| 19 import sys | |
| 20 | |
| 21 def CheckChange(input_api, output_api): | |
| 22 """Checks the memcheck suppressions files for bad data.""" | |
| 23 | |
| 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 | |
| 29 | |
| 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 | |
| 46 | |
| 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 | |
| 79 | |
| 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 [] | |
| 89 | |
| 90 def CheckChangeOnUpload(input_api, output_api): | |
| 91 return CheckChange(input_api, output_api) | |
| 92 | |
| 93 def CheckChangeOnCommit(input_api, output_api): | |
| 94 return CheckChange(input_api, output_api) | |
| 95 | |
| 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 [] |
