Support V8EnabledAtRuntime in constructors.

lib/dom/scripts/systemnative.py

 #!/usr/bin/python
 # Copyright (c) 2012, 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.
 
 """This module provides shared functionality for the systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 297 matching lines @@
     if 'synthesizedV8EnabledPerContext' in self._interface.ext_attrs:
       raises_exceptions = True
       self._cpp_impl_includes.add('"ContextFeatures.h"')
       runtime_check = emitter.Format(
           '        if (!ContextFeatures::$(FEATURE)Enabled(DartUtilities::domWindowForCurrentIsolate()->document())) {\n'
           '            exception = Dart_NewString("Feature $FEATURE is not enabled");\n'
           '            goto fail;\n'
           '        }',
           FEATURE=self._interface.ext_attrs['synthesizedV8EnabledPerContext'])
 
+    if 'synthesizedV8EnabledAtRuntime' in self._interface.ext_attrs:

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

Shouldn't that be elif?

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

Added assert instead

On 2012/06/26 10:51:13, podivilov wrote:

+      raises_exceptions = True
+      self._cpp_impl_includes.add('"RuntimeEnabledFeatures.h"')
+      runtime_check = emitter.Format(
+          '        if (!RuntimeEnabledFeatures::$(FEATURE)Enabled()) {\n'
+          '            exception = Dart_NewString("Feature $FEATURE is not enabled");\n'
+          '            goto fail;\n'
+          '        }',
+          FEATURE=self._interface.ext_attrs['synthesizedV8EnabledAtRuntime'])
+
     self._GenerateNativeCallback(callback_name='constructorCallback',
         parameter_definitions=parameter_definitions_emitter.Fragments(),
         needs_receiver=False, invocation=invocation,
         raises_exceptions=raises_exceptions,
         runtime_check=runtime_check)
 
   def _EmitHtmlElementFactoryConstructors(self, infos, html_interface_name):
     EmitHtmlElementFactoryConstructors(
         self._system._EmitterForFactoryProviderBody(
             infos[0].factory_provider_name),
@@ skipping 744 matching lines @@
       continue
     parent_interface = database.GetInterface(parent.type.id)
     if callback(parent_interface):
       return parent_interface
     parent_interface = _FindParent(parent_interface, database, callback)
     if parent_interface:
       return parent_interface
 
 def _IsArgumentOptionalInWebCore(argument):
   return IsOptional(argument) and not 'Callback' in argument.ext_attrs