Cleanup the code.

lib/dom/scripts/databasebuilder.py

 #!/usr/bin/python
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 import copy
 import database
 import idlparser
 import logging
 import os
 import os.path
+import re
 
 from idlnode import *
 
 _logger = logging.getLogger('databasebuilder')
 
 # Used in source annotations to specify the parent interface declaring
 # a displaced declaration. The 'via' attribute specifies the parent interface
 # which implements a displaced declaration.
 _VIA_ANNOTATION_ATTR_NAME = 'via'
 
@@ skipping 541 matching lines @@
         map(normalize, interface.operations)
 
   def fetch_constructor_data(self, options):
     window_interface = self._database.GetInterface('Window')
     for attr in window_interface.attributes:
       if not attr.is_fc_getter:
         continue
       type = attr.type.id
       if not type.endswith('Constructor'):
         continue
-      type = type[:-len('Constructor')]
-      # TODO: typos in WebKit IDL: HTMLImageElementConstructorConstructor...
-      if type in [
-          'HTMLAudioElementConstructor',
-          'HTMLImageElementConstructor',
-          'HTMLOptionElementConstructor' ]:
-        type = type[:-len('Constructor')]
-
+      type = re.sub('(Constructor)+$', '', type)
       # TODO(antonm): Ideally we'd like to have pristine copy of WebKit IDLs and fetch
       # this information directly from it.  Unfortunately right now database is massaged
       # a lot so it's difficult to maintain necessary information on DOMWindow itself.
       interface = self._database.GetInterface(options.type_rename_map.get(type, type))
       if 'V8EnabledPerContext' in attr.ext_attrs:
         interface.ext_attrs['synthesizedV8EnabledPerContext'] = \
             attr.ext_attrs['V8EnabledPerContext']
       if 'V8EnabledAtRuntime' in attr.ext_attrs:
         interface.ext_attrs['synthesizedV8EnabledAtRuntime'] = \
             attr.ext_attrs['V8EnabledAtRuntime'] or attr.id