Remove ParameterAdapters for bindings classes.

lib/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 430 matching lines @@
 
   def idl_type(self):
     return self._idl_type
 
   def dart_type(self):
     return self._dart_type or self._idl_type
 
   def native_type(self):
     return self._native_type or self._idl_type
 
-  def parameter_adapter_info(self):
-    adapter_type = 'ParameterAdapter<Dart%s>' % self._idl_type
-    include = '"Dart%s.h"' % self._idl_type
-    return (adapter_type, include)
+  def emit_to_native(self, emitter, idl_node, name, handle, interface_name):
+    if 'Callback' in idl_node.ext_attrs:
+      if 'RequiredCppParameter' in idl_node.ext_attrs:
+        flag = 'DartUtilities::ConvertNullToDefaultValue'
+      else:
+        flag = 'DartUtilities::ConvertNone'
+      emitter.Emit(
+        '\n'
+        '        RefPtr<$TYPE> $NAME = Dart$IDL_TYPE::create($HANDLE, $FLAG, exception);\n'
+        '        if (exception)\n'
+        '            goto fail;\n',
+        TYPE=self.native_type(),
+        NAME=name,
+        IDL_TYPE=self.idl_type(),
+        HANDLE=handle,
+        FLAG=flag)
+      return name
+
+    argument = name
+    if self.custom_to_native():
+      type = 'RefPtr<%s>' % self.native_type()
+      argument = '%s.get()' % name
+    else:
+      type = '%s*' % self.native_type()
+      if isinstance(self, SVGTearOffIDLTypeInfo) and not interface_name.endswith('List'):
+        argument = '%s->propertyReference()' % name
+    emitter.Emit(
+        '\n'
+        '        $TYPE $NAME = Dart$IDL_TYPE::toNative($HANDLE, exception);\n'
+        '        if (exception)\n'
+        '            goto fail;\n',
+        TYPE=type,
+        NAME=name,
+        IDL_TYPE=self.idl_type(),
+        HANDLE=handle)
+    return argument
 
   def custom_to_native(self):
     return self._custom_to_native
 
   def parameter_type(self):
     return '%s*' % self.native_type()
 
   def webcore_includes(self):
     WTF_INCLUDES = [
         'ArrayBuffer',
@@ skipping 53 matching lines @@
 
 class PrimitiveIDLTypeInfo(IDLTypeInfo):
   def __init__(self, idl_type, dart_type, native_type=None,
                webcore_getter_name='getAttribute',
                webcore_setter_name='setAttribute'):
     super(PrimitiveIDLTypeInfo, self).__init__(idl_type, dart_type=dart_type,
         native_type=native_type)
     self._webcore_getter_name = webcore_getter_name
     self._webcore_setter_name = webcore_setter_name
 
-  def parameter_adapter_info(self):
-    adapter_type = 'ParameterAdapter<%s>' % self.native_type()
-    return (adapter_type, None)
+  def emit_to_native(self, emitter, idl_node, name, handle, interface_name):
+    arguments = [handle]
+    if idl_node.ext_attrs.get('Optional') == 'DefaultIsNullString' or 'RequiredCppParameter' in idl_node.ext_attrs:
+      arguments.append('DartUtilities::ConvertNullToDefaultValue')
+    emitter.Emit(
+        '\n'
+        '        const ParameterAdapter<$TYPE> $NAME($ARGUMENTS);\n'
+        '        if (!$NAME.conversionSuccessful()) {\n'
+        '            exception = $NAME.exception();\n'
+        '            goto fail;\n'
+        '        }\n',
+        TYPE=self.native_type(),
+        NAME=name,
+        ARGUMENTS=', '.join(arguments))
+    return name
 
   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):
@@ skipping 98 matching lines @@
     'DOMException': IDLTypeInfo('DOMException', native_type='DOMCoreException'),
     'DOMStringList': IDLTypeInfo('DOMStringList', dart_type='List<String>', custom_to_native=True),
     'DOMStringMap': IDLTypeInfo('DOMStringMap', dart_type='Map<String, String>'),
     'DOMWindow': IDLTypeInfo('DOMWindow', custom_to_dart=True),
     'Element': IDLTypeInfo('Element', custom_to_dart=True),
     'EventListener': IDLTypeInfo('EventListener', custom_to_native=True),
     'EventTarget': IDLTypeInfo('EventTarget', custom_to_native=True),
     'HTMLElement': IDLTypeInfo('HTMLElement', custom_to_dart=True),
     'IDBAny': IDLTypeInfo('IDBAny', dart_type='Dynamic', custom_to_native=True),
     'IDBKey': IDLTypeInfo('IDBKey', dart_type='Dynamic', custom_to_native=True),
-    'MediaQueryListListener': IDLTypeInfo('MediaQueryListListener', custom_to_native=True),
     'StyleSheet': IDLTypeInfo('StyleSheet', conversion_includes=['CSSStyleSheet']),
     'SVGElement': IDLTypeInfo('SVGElement', custom_to_dart=True),
 
     'SVGAngle': SVGTearOffIDLTypeInfo('SVGAngle'),
     'SVGLength': SVGTearOffIDLTypeInfo('SVGLength'),
     'SVGLengthList': SVGTearOffIDLTypeInfo('SVGLengthList'),
     'SVGMatrix': SVGTearOffIDLTypeInfo('SVGMatrix'),
     'SVGNumber': SVGTearOffIDLTypeInfo('SVGNumber', native_type='SVGPropertyTearOff<float>'),
     'SVGNumberList': SVGTearOffIDLTypeInfo('SVGNumberList'),
     'SVGPathSegList': SVGTearOffIDLTypeInfo('SVGPathSegList', native_type='SVGPathSegListPropertyTearOff'),
@@ skipping 13 matching lines @@
     '"SVGAnimatedListPropertyTearOff.h"',
     '"SVGTransformListPropertyTearOff.h"',
     '"SVGPathSegListPropertyTearOff.h"',
 ]
 
 def GetIDLTypeInfo(idl_type_name):
   match = re.match(r'sequence<(\w+)>$', idl_type_name)
   if match:
     return SequenceIDLTypeInfo(idl_type_name, GetIDLTypeInfo(match.group(1)))
   return _idl_type_registry.get(idl_type_name, IDLTypeInfo(idl_type_name))