| #!/usr/bin/env python |
| |
| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from third_party import asan_symbolize |
| |
| import os |
| import re |
| import sys |
| |
| def fix_filename(file_name): |
| for path_to_cut in sys.argv[1:]: |
| file_name = re.sub(".*" + path_to_cut, "", file_name) |
| file_name = re.sub(".*asan_[a-z_]*.cc:[0-9]*", "_asan_rtl_", file_name) |
| file_name = re.sub(".*crtstuff.c:0", "???:0", file_name) |
| return file_name |
| |
| class Unbuffered(object): |
| """Disable buffering on a file object.""" |
| def __init__(self, stream): |
| self.stream = stream |
| |
| def write(self, data): |
| self.stream.write(data) |
| if '\n' in data: |
| self.stream.flush() |
| |
| def __getattr__(self, attr): |
| return getattr(self.stream, attr) |
| |
| |
| def disable_buffering(): |
| """Makes this process and child processes stdout unbuffered.""" |
| if not os.environ.get('PYTHONUNBUFFERED'): |
| # Since sys.stdout is a C++ object, it's impossible to do |
| # sys.stdout.write = lambda... |
| sys.stdout = Unbuffered(sys.stdout) |
| os.environ['PYTHONUNBUFFERED'] = 'x' |
| |
| |
| def main(): |
| disable_buffering() |
| loop = asan_symbolize.SymbolizationLoop(binary_name_filter=fix_filename) |
| loop.process_stdin() |
| |
| if __name__ == '__main__': |
| main() |