1 files changed, 99 insertions, 0 deletions
diff --git a/media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py b/media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py
new file mode 100644
index 000000000..46ff4cfcf
--- /dev/null
+++ b/media/libyuv/tools/valgrind-libyuv/memcheck/PRESUBMIT.py
@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+# Copyright (c) 2012 The LibYuv Project Authors. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+"""
+Copied from Chrome's src/tools/valgrind/memcheck/PRESUBMIT.py
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details on the presubmit API built into gcl.
+"""
+
+import os
+import re
+import sys
+
+def CheckChange(input_api, output_api):
+  """Checks the memcheck suppressions files for bad data."""
+
+  # Add the path to the Chrome valgrind dir to the import path:
+  tools_vg_path = os.path.join(input_api.PresubmitLocalPath(), '..', '..',
+                               'valgrind')
+  sys.path.append(tools_vg_path)
+  import suppressions
+
+  sup_regex = re.compile('suppressions.*\.txt$')
+  suppressions = {}
+  errors = []
+  check_for_memcheck = False
+  # skip_next_line has 3 possible values:
+  # - False: don't skip the next line.
+  # - 'skip_suppression_name': the next line is a suppression name, skip.
+  # - 'skip_param': the next line is a system call parameter error, skip.
+  skip_next_line = False
+  for f in filter(lambda x: sup_regex.search(x.LocalPath()),
+                  input_api.AffectedFiles()):
+    for line, line_num in zip(f.NewContents(),
+                              xrange(1, len(f.NewContents()) + 1)):
+      line = line.lstrip()
+      if line.startswith('#') or not line:
+        continue
+
+      if skip_next_line:
+        if skip_next_line == 'skip_suppression_name':
+          if 'insert_a_suppression_name_here' in line:
+            errors.append('"insert_a_suppression_name_here" is not a valid '
+                          'suppression name')
+          if suppressions.has_key(line):
+            if f.LocalPath() == suppressions[line][1]:
+              errors.append('suppression with name "%s" at %s line %s '
+                            'has already been defined at line %s' %
+                            (line, f.LocalPath(), line_num,
+                             suppressions[line][1]))
+            else:
+              errors.append('suppression with name "%s" at %s line %s '
+                            'has already been defined at %s line %s' %
+                            (line, f.LocalPath(), line_num,
+                             suppressions[line][0], suppressions[line][1]))
+          else:
+            suppressions[line] = (f, line_num)
+            check_for_memcheck = True;
+        skip_next_line = False
+        continue
+      if check_for_memcheck:
+        if not line.startswith('Memcheck:'):
+          errors.append('"%s" should be "Memcheck:..." in %s line %s' %
+                        (line, f.LocalPath(), line_num))
+        check_for_memcheck = False;
+      if line == '{':
+        skip_next_line = 'skip_suppression_name'
+        continue
+      if line == "Memcheck:Param":
+        skip_next_line = 'skip_param'
+        continue
+
+      if (line.startswith('fun:') or line.startswith('obj:') or
+          line.startswith('Memcheck:') or line == '}' or
+          line == '...'):
+        continue
+      errors.append('"%s" is probably wrong: %s line %s' % (line, f.LocalPath(),
+                                                            line_num))
+  if errors:
+    return [output_api.PresubmitError('\n'.join(errors))]
+  return []
+
+def CheckChangeOnUpload(input_api, output_api):
+  return CheckChange(input_api, output_api)
+
+def CheckChangeOnCommit(input_api, output_api):
+  return CheckChange(input_api, output_api)
+
+def GetPreferredTrySlaves():
+  # We don't have any memcheck slaves yet, so there's no use for this method.
+  # When we have, the slave name(s) should be put into this list.
+  return []