Create implementation file emitter in HtmlDartInterfaceGenerator.

lib/dom/scripts/systemnative.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 systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
 import systembase
 from generator import *
 from systemhtml import DomToHtmlEvent, DomToHtmlEvents, HtmlSystemShared
 from systemhtml import HtmlElementConstructorInfos
 from systemhtml import EmitHtmlElementFactoryConstructors
 
 class NativeImplementationSystem(systembase.System):
 
   def __init__(self, templates, database, emitters, output_dir, auxiliary_dir):
     super(NativeImplementationSystem, self).__init__(
         templates, database, emitters, output_dir)
     self._auxiliary_dir = auxiliary_dir
     self._dom_impl_files = []
     self._cpp_header_files = []
     self._cpp_impl_files = []
     self._html_system = HtmlSystemShared(database)
     self._factory_provider_emitters = {}
 
-  def ProcessInterface(self, interface):
+  def ProcessInterface(self, interface, dart_implementation_emitter):
     interface_name = interface.id
 
-    if IsPureInterface(interface_name):
-      return None
-
-    dart_impl_path = self._FilePathForDartImplementation(interface_name)
-    self._dom_impl_files.append(dart_impl_path)
-
     cpp_header_path = self._FilePathForCppHeader(interface_name)
     self._cpp_header_files.append(cpp_header_path)
 
     cpp_impl_path = self._FilePathForCppImplementation(interface_name)
     self._cpp_impl_files.append(cpp_impl_path)
 
     generator = NativeImplementationGenerator(self, interface,
-        self._emitters.FileEmitter(dart_impl_path),
+        dart_implementation_emitter,
         self._emitters.FileEmitter(cpp_header_path),
         self._emitters.FileEmitter(cpp_impl_path),
         self._BaseDefines(interface),
         self._templates)
     generator.Generate()
 
   def ProcessCallback(self, interface, info):
     self._interface = interface
 
     if IsPureInterface(self._interface.id):
@@ skipping 105 matching lines @@
 
     cpp_resolver_emitter = self._emitters.FileEmitter(cpp_resolver_path)
     cpp_resolver_emitter.Emit(
         self._templates.Load('cpp_resolver.template'),
         INCLUDES=includes_emitter.Fragments(),
         RESOLVER_BODY=resolver_body_emitter.Fragments())
 
   def Finish(self):
     pass
 
-  def _FilePathForDartImplementation(self, interface_name):
+  def HasImplementation(self, interface):
+    return not IsPureInterface(interface)
+
+  def FilePathForDartImplementation(self, interface_name):
     return os.path.join(self._output_dir, 'dart',
                         '%sImplementation.dart' % interface_name)
 
   def _FilePathForDartFactoryProviderImplementation(self, interface_name):
     return os.path.join(self._output_dir, 'dart',
                         '%sFactoryProviderImplementation.dart' % interface_name)
 
   def _FilePathForCppHeader(self, interface_name):
     return os.path.join(self._output_dir, 'cpp', 'Dart%s.h' % interface_name)
 
@@ skipping 909 matching lines @@
 
 def _IsArgumentOptionalInWebCore(argument):
   return IsOptional(argument) and not 'Callback' in argument.ext_attrs
 
 def _ToWebKitName(name):
   name = name[0].lower() + name[1:]
   name = re.sub(r'^(hTML|uRL|jS|xML|xSLT)', lambda s: s.group(1).lower(),
                 name)
   return re.sub(r'^(create|exclusive)', lambda s: 'is' + s.group(1).capitalize(),
                 name)