Support V8EnabledAtRuntime in constructors.

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
@@ skipping 567 matching lines @@
           'HTMLOptionElementConstructor' ]:
         type = type[:-len('Constructor')]
 
       # 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']
+        def normalize_name(name):
+          # Python variant of WK_lcfirst from
+          # WebKit/Source/WebCore/bindings/scripts/CodeGenerator.pm.
+          def pair(s): return (s, s.lower())

[podivilov, 2012/06/26 10:51:13]

Please move this logic to generation phase. And we already have WK_lcfirst
implemented, see systemnative.py:600.

[Anton Muhin, 2012/06/26 12:16:35]

Done.

+          mapping = [
+              pair('hTML'), pair('uRL'), pair('jS'), pair('xML'), pair('xSLT'),
+              ('create', 'isCreate'), ('exclusive', 'isExclusive'),
+          ]
+          name = name[0].lower() + name[1:]
+          for prefix, subst in mapping:
+            if name.startswith(prefix):
+              return subst + name[len(prefix):]
+          return name
+
+        interface.ext_attrs['synthesizedV8EnabledAtRuntime'] = normalize_name(
+            attr.ext_attrs['V8EnabledAtRuntime'] or attr.id)