Sort GYP files under chrome sub directories using tools/sort_sources.py

tools/sort_sources.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 """Given a GYP/GN filename, sort C-ish source files in that file.
 
 Shows a diff and prompts for confirmation before doing the deed.
 Works great with tools/git/for-all-touched-files.py.
 """
 
 import difflib
 import optparse
 import re
 import sys
 
 from yes_no import YesNo
 
+SUFFIXES = ['c', 'cc', 'cpp', 'h', 'mm', 'rc', 'rc.version', 'ico', 'def',
+            'release']
+PATTERN = re.compile('^\s+[\'"].*\.(%s)[\'"],$' %
+                     '|'.join([re.escape(x) for x in SUFFIXES]))
 
 def SortSources(original_lines):
   """Sort source file names in |original_lines|.
 
   Args:
     original_lines: Lines of the original content as a list of strings.
 
   Returns:
     Lines of the sorted content as a list of strings.
 
   The algorithm is fairly naive. The code tries to find a list of C-ish source
   file names by a simple regex, then sort them. The code does not try to
   understand the syntax of the build files, hence there are many cases that
   the code cannot handle correctly (ex. comments within a list of source file
   names).
   """
 
   output_lines = []
   sources = []
   for line in original_lines:
-    if re.search(r'^\s+[\'"].*\.(c|cc|cpp|h|mm|rc)[\'"],$', line):
+    if re.search(PATTERN, line):
       sources.append(line)
     else:
       if sources:
         output_lines.extend(sorted(sources))
         sources = []
       output_lines.append(line)
   return output_lines
 
 
 def ProcessFile(filename, should_confirm):
@@ skipping 34 matching lines @@
   if len(filenames) < 1:
     parser.print_help()
     return 1
 
   for filename in filenames:
     ProcessFile(filename, opts.should_confirm)
 
 
 if __name__ == '__main__':
   sys.exit(main())