Add style information to the snapshot node

build/android/gyp/java_cpp_enum.py

 #!/usr/bin/env python
 #
 # Copyright 2014 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.
 
 import collections
 import re
 import optparse
 import os
 from string import Template
 import sys
 
 from util import build_utils
 
 # List of C++ types that are compatible with the Java code generated by this
 # script.
+#
+# This script can parse .idl files however, at present it ignores special
+# rules such as [cpp_enum_prefix_override="ax_attr"].
 ENUM_FIXED_TYPE_WHITELIST = ['char', 'unsigned char',
   'short', 'unsigned short',
   'int', 'int8_t', 'int16_t', 'int32_t', 'uint8_t', 'uint16_t']
 
 class EnumDefinition(object):
   def __init__(self, original_enum_name=None, class_name_override=None,
                enum_package=None, entries=None, fixed_type=None):
     self.original_enum_name = original_enum_name
     self.class_name_override = class_name_override
     self.enum_package = enum_package
@@ skipping 99 matching lines @@
   multi_line_generator_directive_start_re = re.compile(
       r'^\s*//\s+GENERATED_JAVA_(\w+)\s*:\s*\(([\.\w]*)$')
   multi_line_directive_continuation_re = re.compile(
       r'^\s*//\s+([\.\w]+)$')
   multi_line_directive_end_re = re.compile(
       r'^\s*//\s+([\.\w]*)\)$')
 
   optional_class_or_struct_re = r'(class|struct)?'
   enum_name_re = r'(\w+)'
   optional_fixed_type_re = r'(\:\s*(\w+\s*\w+?))?'
-  enum_start_re = re.compile(r'^\s*enum\s+' + optional_class_or_struct_re +
-      '\s*' + enum_name_re + '\s*' + optional_fixed_type_re + '\s*{\s*$')
+  enum_start_re = re.compile(r'^\s*(?:\[cpp.*\])?\s*enum\s+' +
+      optional_class_or_struct_re + '\s*' + enum_name_re + '\s*' +
+      optional_fixed_type_re + '\s*{\s*$')
 
   def __init__(self, lines, path=None):
     self._lines = lines
     self._path = path
     self._enum_definitions = []
     self._in_enum = False
     self._current_definition = None
     self._generator_directives = DirectiveSet()
     self._multi_line_generator_directive = None
 
@@ skipping 178 matching lines @@
     AssertFilesList(output_paths, options.assert_files_list)
 
   if options.verbose:
     print 'Output paths:'
     print '\n'.join(output_paths)
 
   return ' '.join(output_paths)
 
 if __name__ == '__main__':
   DoMain(sys.argv[1:])