Give generatored bindings classes a field remembering an index into a cache of handles on the corre…

tools/dom/scripts/dartdomgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, 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 is the entry point to create Dart APIs from the IDL database."""
 
 import dartgenerator
 import database
 import fremontcutbuilder
@@ skipping 67 matching lines @@
   def RunGenerator(dart_libraries, dart_output_dir,
                    template_loader, backend_factory):
     options = GeneratorOptions(
         template_loader, webkit_database, type_registry, renamer,
         metadata)
     dart_library_emitter = DartLibraryEmitter(
         emitters, dart_output_dir, dart_libraries)
     event_generator = HtmlEventGenerator(webkit_database, renamer, metadata,
         template_loader)
 
-    def generate_interface(interface):
-      backend = backend_factory(interface)
+    def generate_interface(interface, cid):
+      backend = backend_factory(interface, cid)
       interface_generator = HtmlDartInterfaceGenerator(
           options, dart_library_emitter, event_generator, interface, backend)
       interface_generator.Generate()
 
     generator.Generate(webkit_database, common_database, generate_interface)
 
     dart_library_emitter.EmitLibraries(auxiliary_dir)
 
   if dart2js_output_dir:
     template_paths = ['html/dart2js', 'html/impl', 'html/interface', '']
     template_loader = TemplateLoader(template_dir,
                                      template_paths,
                                      {'DARTIUM': False, 'DART2JS': True})
     backend_options = GeneratorOptions(
         template_loader, webkit_database, type_registry, renamer,
         metadata)
-    backend_factory = lambda interface:\
+    backend_factory = lambda interface, cid:\
         Dart2JSBackend(interface, backend_options)
 
     dart_output_dir = os.path.join(dart2js_output_dir, 'dart')
     dart_libraries = DartLibraries(
         HTML_LIBRARY_NAMES, template_loader, 'dart2js', dart2js_output_dir)
 
     RunGenerator(dart_libraries, dart_output_dir,
         template_loader, backend_factory)
 
   if dartium_output_dir:
     template_paths = ['html/dartium', 'html/impl', 'html/interface', '']
     template_loader = TemplateLoader(template_dir,
                                      template_paths,
                                      {'DARTIUM': True, 'DART2JS': False})
     backend_options = GeneratorOptions(
         template_loader, webkit_database, type_registry, renamer,
         metadata)
     cpp_output_dir = os.path.join(dartium_output_dir, 'cpp')
     cpp_library_emitter = CPPLibraryEmitter(emitters, cpp_output_dir)
-    backend_factory = lambda interface:\
-        DartiumBackend(interface, cpp_library_emitter, backend_options)
+    backend_factory = lambda interface, cid:\
+        DartiumBackend(interface, cid, cpp_library_emitter, backend_options)
 
     dart_output_dir = os.path.join(dartium_output_dir, 'dart')
     dart_libraries = DartLibraries(
         HTML_LIBRARY_NAMES, template_loader, 'dartium', dartium_output_dir)
 
     RunGenerator(dart_libraries, dart_output_dir,
                  template_loader, backend_factory)
     cpp_library_emitter.EmitDerivedSources(
         template_loader.Load('cpp_derived_sources.template'),
         dartium_output_dir)
@@ skipping 78 matching lines @@
           os.path.join('..', '..', '..', 'sdk', 'lib', library_name, 'dart2js'))
   if 'htmldartium' in systems:
     _logger.info('Generating dartium single files.')
     for library_name in HTML_LIBRARY_NAMES:
       GenerateSingleFile(
           os.path.join(dartium_output_dir, '%s_dartium.dart' % library_name),
           os.path.join('..', '..', '..', 'sdk', 'lib', library_name, 'dartium'))
 
 if __name__ == '__main__':
   sys.exit(main())