Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / tools / valgrind / asan / asan_symbolize.py
1 #!/usr/bin/env python
2
3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
4 # Use of this source code is governed by a BSD-style license that can be
5 # found in the LICENSE file.
6
7 from third_party import asan_symbolize
8
9 import os
10 import re
11 import sys
12
13 def fix_filename(file_name):
14   for path_to_cut in sys.argv[1:]:
15     file_name = re.sub(".*" + path_to_cut, "", file_name)
16   file_name = re.sub(".*asan_[a-z_]*.cc:[0-9]*", "_asan_rtl_", file_name)
17   file_name = re.sub(".*crtstuff.c:0", "???:0", file_name)
18   return file_name
19
20 class LineBuffered(object):
21   """Disable buffering on a file object."""
22   def __init__(self, stream):
23     self.stream = stream
24
25   def write(self, data):
26     self.stream.write(data)
27     if '\n' in data:
28       self.stream.flush()
29
30   def __getattr__(self, attr):
31     return getattr(self.stream, attr)
32
33
34 def disable_buffering():
35   """Makes this process and child processes stdout unbuffered."""
36   if not os.environ.get('PYTHONUNBUFFERED'):
37     # Since sys.stdout is a C++ object, it's impossible to do
38     # sys.stdout.write = lambda...
39     sys.stdout = LineBuffered(sys.stdout)
40     os.environ['PYTHONUNBUFFERED'] = 'x'
41
42
43 def main():
44   disable_buffering()
45   loop = asan_symbolize.SymbolizationLoop(binary_name_filter=fix_filename)
46   loop.process_stdin()
47
48 if __name__ == '__main__':
49   main()