Drop raises annotations support.

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 147 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)
 
-    # TODO(sra): Use this list of exception names to generate information to
-    # tell dart2js which exceptions can be passed from JS to Dart code.
-    exceptions = self._CollectExceptions(interfaces)
-
     # Render all interfaces into Dart and save them in files.
     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)
@@ skipping 12 matching lines @@
           continue
         if self._database.HasInterface(parent.type.id):
           parent_interface = self._database.GetInterface(parent.type.id)
           visit(parent_interface)
       ordered.append(interface)
 
     for interface in interfaces:
       visit(interface)
     return ordered
 
-  def _CollectExceptions(self, interfaces):
-    """Returns the names of all exception classes raised."""
-    exceptions = set()
-    for interface in interfaces:
-      for attribute in interface.attributes:
-        if attribute.get_raises:
-          exceptions.add(attribute.get_raises.id)
-        if attribute.set_raises:
-          exceptions.add(attribute.set_raises.id)
-      for operation in interface.operations:
-        if operation.raises:
-          exceptions.add(operation.raises.id)
-    return exceptions
-
-
   def FixEventTargets(self, database):
     for interface in database.GetInterfaces():
       # Create fake EventTarget parent interface for interfaces that have
       # 'EventTarget' extended attribute.
       if 'EventTarget' in interface.ext_attrs and interface.id != 'EventTarget':
         ast = [('Annotation', [('Id', 'WebKit')]),
                ('InterfaceType', ('ScopedName', 'EventTarget'))]
         interface.parents.append(idlnode.IDLParentInterface(ast))
 
   def AddMissingArguments(self, database):
     ARG = idlnode.IDLArgument([('Type', ('ScopedName', 'object')), ('Id', 'arg')])
     for interface in database.GetInterfaces():
       for operation in interface.operations:
         if operation.ext_attrs.get('CallWith') == 'ScriptArguments|ScriptState':
           operation.arguments.append(ARG)