Exposing document.createElement

tools/dom/scripts/htmldartgenerator.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 system to generate
 dart:html APIs from the IDL database."""
 
 import emitter
 from generator import AnalyzeOperation, ConstantOutputOrder, \
@@ skipping 148 matching lines @@
     few specific instances."""
     potential_added_operations = set()
     operations_by_name = self._OperationsByName(interface)
     already_renamed = [operation.ext_attrs['DartName'] if 'DartName' in
         operation.ext_attrs else '' for operation in interface.operations]
 
     for operation in interface.operations:
       full_operation_str = self._GetStringRepresentation(interface, operation)
       if (full_operation_str in renamed_overloads and
           renamed_overloads[full_operation_str] not in already_renamed):
-        operation.ext_attrs['DartName'] = renamed_overloads[
-            full_operation_str]
+        dart_name = renamed_overloads[full_operation_str]
+        if not dart_name:
+          continue
+
+        operation.ext_attrs['DartName'] = dart_name
         potential_added_operations.add(operation.id)
       self._EnsureNoMultipleTypeSignatures(interface, operation,
           operations_by_name)
     self._AddDesiredOverloadedOperations(potential_added_operations, interface,
         operations_by_name)
 
   def _AddDesiredOverloadedOperations(self, potential_added_operations,
       interface, original_operations_by_name):
     """For some cases we desire to keep the overloaded version in dart, for
     simplicity of API, and explain the parameters accepted in documentation."""
@@ skipping 510 matching lines @@
 
   def SecureBaseName(self, type_name):
     if type_name in _secure_base_types:
       return _secure_base_types[type_name]
 
   def _DartType(self, type_name):
     return self._type_registry.DartType(type_name)
 
   def _TypeInfo(self, type_name):
     return self._type_registry.TypeInfo(type_name)