Provide DartDomNameOfAttribute

client/dom/scripts/generator.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 systems to generate
 Dart APIs from the IDL database."""
 
 import re
 
@@ skipping 60 matching lines @@
 def IsPureInterface(interface_name):
   return interface_name in _pure_interfaces
 
 #
 # Identifiers that are used in the IDL than need to be treated specially because
 # *some* JavaScript processors forbid them as properties.
 #
 _javascript_keywords = ['delete', 'continue']
 
 #
+# Renames for attributes that have names that are not legal Dart names.
+#
+_dart_attribute_renames = {
+    'default': 'defaultValue'
+}
+
+#
 # Interface version of the DOM needs to delegate typed array constructors to a
 # factory provider.
 #
 interface_factories = {
     'Float32Array': '_TypedArrayFactoryProvider',
     'Float64Array': '_TypedArrayFactoryProvider',
     'Int8Array': '_TypedArrayFactoryProvider',
     'Int16Array': '_TypedArrayFactoryProvider',
     'Int32Array': '_TypedArrayFactoryProvider',
     'Uint8Array': '_TypedArrayFactoryProvider',
@@ skipping 243 matching lines @@
   matches = [attr2 for attr2 in interface.attributes
              if attr1.id == attr2.id
              and attr1.is_fc_getter == attr2.is_fc_getter
              and attr1.is_fc_setter == attr2.is_fc_setter]
   if matches:
     assert len(matches) == 1
     return matches[0]
   return None
 
 
+def DartDomNameOfAttribute(attr):
+  """Returns the Dart name for an IDLAttribute.
+
+  attr.id is the 'native' or JavaScript name.
+
+  To ensure uniformity, work with the true IDL name until as late a possible,
+  e.g. translate to the Dart name when generating Dart code.
+  """
+  name = attr.id
+  name = _dart_attribute_renames.get(name, name)
+  name = attr.ext_attrs.get('DartName', None) or name

[Anton Muhin, 2012/03/13 12:53:47]

nit: attr.ext_attrs.get('DartName', name)

+  return name
+
 class OperationInfo(object):
   """Holder for various derived information from a set of overloaded operations.
 
   Attributes:
     overloads: A list of IDL operation overloads with the same name.
     name: A string, the simple name of the operation.
     type_name: A string, the name of the return type of the operation.
     arg_infos: A list of (name, type, default_value) tuples.
         default_value is None for mandatory arguments.
   """
@@ skipping 284 matching lines @@
     'SVGAnimatedPropertyTearOff',
     'SVGAnimatedListPropertyTearOff',
     'SVGStaticListPropertyTearOff',
     'SVGAnimatedListPropertyTearOff',
     'SVGTransformListPropertyTearOff',
     'SVGPathSegListPropertyTearOff',
 ]
 
 def GetIDLTypeInfo(idl_type_name):
   return _idl_type_registry.get(idl_type_name, IDLTypeInfo(idl_type_name))