Added enum checks since enums are now supported in the IDL

Source/bindings/dart/scripts/dart_utilities.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 26 matching lines @@
 ################################################################################
 # Utility function exposed for Dart CodeGenerator. Only 6 methods are special
 # to Dart the rest delegate to the v8_utilities functions.
 ################################################################################
 
 
 import v8_types  # Required
 import v8_utilities
 
 
+def _enum_validation_expression(idl_type):
+    # FIXME: Add IdlEnumType, move property to derived type, and remove this check
+    if not idl_type.is_enum:
+        return None
+    return ' || '.join(['((String){param_name}) == "%s"' % enum_value
+                        for enum_value in idl_type.enum_values])
+
+
 def _scoped_name(interface, definition, base_name):
     # partial interfaces are implemented as separate classes, with their members
     # implemented as static member functions
     partial_interface_implemented_as = definition.extended_attributes.get('PartialInterfaceImplementedAs')
     if partial_interface_implemented_as:
         return '%s::%s' % (partial_interface_implemented_as, base_name)
     if (definition.is_static or
         definition.name in ('Constructor', 'NamedConstructor')):
         return '%s::%s' % (v8_utilities.cpp_name(interface), base_name)
     return 'receiver->%s' % base_name
@@ skipping 120 matching lines @@
 DartUtilities = dart_utilities_monkey()
 
 DartUtilities.activity_logging_world_list = _activity_logging_world_list
 DartUtilities.bool_to_cpp = _bool_to_cpp
 DartUtilities.call_with_arguments = _call_with_arguments
 DartUtilities.capitalize = v8_utilities.capitalize
 DartUtilities.conditional_string = v8_utilities.conditional_string
 DartUtilities.cpp_name = v8_utilities.cpp_name
 DartUtilities.deprecate_as = _deprecate_as
 DartUtilities.extended_attribute_value_contains = v8_utilities.extended_attribute_value_contains
-DartUtilities.enum_validation_expression = v8_utilities.enum_validation_expression
+DartUtilities.enum_validation_expression = _enum_validation_expression
 DartUtilities.gc_type = v8_utilities.gc_type
 DartUtilities.generate_native_entry = _generate_native_entry
 DartUtilities.has_extended_attribute = v8_utilities.has_extended_attribute
 DartUtilities.has_extended_attribute_value = v8_utilities.has_extended_attribute_value
 DartUtilities.measure_as = _measure_as
 DartUtilities.per_context_enabled_function_name = v8_utilities.per_context_enabled_function_name
 DartUtilities.runtime_enabled_function_name = v8_utilities.runtime_enabled_function_name
 DartUtilities.scoped_name = _scoped_name
 DartUtilities.strip_suffix = v8_utilities.strip_suffix
 DartUtilities.uncapitalize = v8_utilities.uncapitalize
 DartUtilities.v8_class_name = v8_utilities.v8_class_name