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

tools/dom/scripts/dartgenerator.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 generates Dart APIs from the IDL database."""
 
 import emitter
 import idlnode
 import logging
@@ skipping 152 matching lines @@
     # Collect interfaces
     interfaces = []
     for interface in database.GetInterfaces():
       if not MatchSourceFilter(interface):
         # Skip this interface since it's not present in the required source
         _logger.info('Omitting interface - %s' % interface.id)
         continue
       interfaces.append(interface)
 
     # Render all interfaces into Dart and save them in files.
+    cid = 0;
     for interface in self._PreOrderInterfaces(interfaces):
       interface_name = interface.id
       auxiliary_file = self._auxiliary_files.get(interface_name)
       if auxiliary_file is not None:
         _logger.info('Skipping %s because %s exists' % (
             interface_name, auxiliary_file))
         continue
 
       _logger.info('Generating %s' % interface.id)
-      generate_interface(interface)
+      generate_interface(interface, cid)
+      cid = cid + 1
 
   def _PreOrderInterfaces(self, interfaces):
     """Returns the interfaces in pre-order, i.e. parents first."""
     seen = set()
     ordered = []
     def visit(interface):
       if interface.id in seen:
         return
       seen.add(interface.id)
       for parent in interface.parents:
@@ skipping 34 matching lines @@
   def AddMissingArguments(self, database):
     ARG = idlnode.IDLArgument([('Type', ('ScopedName', 'object')), ('Id', 'arg')])
     for interface in database.GetInterfaces():
       for operation in interface.operations:
         call_with = (operation.ext_attrs.get('CallWith', '').split('|') +
                      operation.ext_attrs.get('ConstructorCallWith', '').split('|') +
                      operation.ext_attrs.get('CallWith', '').split('&') +
                      operation.ext_attrs.get('ConstructorCallWith', '').split('&'))
         if 'ScriptArguments' in call_with:
           operation.arguments.append(ARG)