Support DateTime conversions.

tools/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 copy
 import json
@@ skipping 1193 matching lines @@
     # sequence<float> should map to Vector<float>
     if self.idl_type() == 'float': return 'float'
     return self.native_type()
 
   def to_native_info(self, idl_node, interface_name):
     type = self.native_type()
     if type == 'SerializedScriptValue':
       type = 'RefPtr<%s>' % type
     if type == 'String':
       type = 'DartStringAdapter'
-    return '%s', type, 'DartUtilities', 'dartTo%s' % self._capitalized_native_type()
+    target_type = self._capitalized_native_type()
+    if self.idl_type() == 'Date':
+      target_type = 'Date'
+    return '%s', type, 'DartUtilities', 'dartTo%s' % target_type
 
   def parameter_type(self):
     if self.native_type() == 'String':
       return 'const String&'
     return self.native_type()
 
   def conversion_includes(self):
     return []
 
   def to_dart_conversion(self, value, interface_name=None, attributes=None):
-    function_name = self._capitalized_native_type()
-    function_name = function_name[0].lower() + function_name[1:]
+    # TODO(antonm): if there are more instances of the case
+    # when conversion depends on both Dart type and C++ type,
+    # consider introducing a corresponding argument/class.
+    if self.idl_type() == 'Date':
+      function_name = 'date'
+    else:
+      function_name = self._capitalized_native_type()
+      function_name = function_name[0].lower() + function_name[1:]
     function_name = 'DartUtilities::%sToDart' % function_name
     if attributes and 'TreatReturnedNullStringAs' in attributes:
       function_name += 'WithNullCheck'
     return '%s(%s)' % (function_name, value)
 
   def webcore_getter_name(self):
     return self._data.webcore_getter_name
 
   def webcore_setter_name(self):
     return self._data.webcore_setter_name
@@ skipping 88 matching lines @@
                               webcore_getter_name='getUnsignedIntegralAttribute',
                               webcore_setter_name='setUnsignedIntegralAttribute'),
     'long long': TypeData(clazz='Primitive', dart_type='int'),
     'unsigned long long': TypeData(clazz='Primitive', dart_type='int'),
     'float': TypeData(clazz='Primitive', dart_type='num', native_type='double'),
     'double': TypeData(clazz='Primitive', dart_type='num'),
 
     'any': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue'),
     'Array': TypeData(clazz='Primitive', dart_type='List'),
     'custom': TypeData(clazz='Primitive', dart_type='dynamic'),
-    'Date': TypeData(clazz='Primitive', dart_type='Date', native_type='double'),
+    'Date': TypeData(clazz='Primitive', dart_type='DateTime', native_type='double'),
     'DOMObject': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue'),
     'DOMString': TypeData(clazz='Primitive', dart_type='String', native_type='String'),
     # TODO(vsm): This won't actually work until we convert the Map to
     # a native JS Map for JS DOM.
     'Dictionary': TypeData(clazz='Primitive', dart_type='Map'),
     'DOMTimeStamp': TypeData(clazz='Primitive', dart_type='int', native_type='unsigned long long'),
     'object': TypeData(clazz='Primitive', dart_type='Object', native_type='ScriptValue'),
     'ObjectArray': TypeData(clazz='Primitive', dart_type='List'),
     'PositionOptions': TypeData(clazz='Primitive', dart_type='Object'),
     # TODO(sra): Come up with some meaningful name so that where this appears in
@@ skipping 142 matching lines @@
                                   self)
 
     if type_data.clazz == 'SVGTearOff':
       dart_interface_name = self._renamer.RenameInterface(
           self._database.GetInterface(type_name))
       return SVGTearOffIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)