IDL compiler: [RaisesException] for non-void methods

Source/bindings/scripts/unstable/v8_methods.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 158 matching lines @@
     cpp_arguments.extend(cpp_argument(argument) for argument in arguments)
     if 'RaisesException' in method.extended_attributes:
         cpp_arguments.append('exceptionState')
 
     cpp_method_name = v8_utilities.scoped_name(interface, method, v8_utilities.cpp_name(method))
     return '%s(%s)' % (cpp_method_name, ', '.join(cpp_arguments))
 
 
 def v8_set_return_value(interface_name, method, cpp_value):
     idl_type = method.idl_type
+    extended_attributes = method.extended_attributes
     if idl_type == 'void':
         return None
-    # [CallWith=ScriptState]
-    if has_extended_attribute_value(method, 'CallWith', 'ScriptState'):
+    # [CallWith=ScriptState], [RaisesException]
+    if (has_extended_attribute_value(method, 'CallWith', 'ScriptState') or
+        'RaisesException' in extended_attributes):
         cpp_value = 'result'  # use local variable for value
     script_wrappable = 'imp' if v8_types.inherits_interface(interface_name, 'Node') else ''
-    return v8_types.v8_set_return_value(idl_type, cpp_value, method.extended_attributes, script_wrappable=script_wrappable)
+    return v8_types.v8_set_return_value(idl_type, cpp_value, extended_attributes, script_wrappable=script_wrappable)
 
 
 # [NotEnumerable]
 def property_attributes(method):
     extended_attributes = method.extended_attributes
     property_attributes_list = []
     if 'NotEnumerable' in extended_attributes:
         property_attributes_list.append('v8::DontEnum')
     if 'ReadOnly' in extended_attributes:
         property_attributes_list.append('v8::ReadOnly')
@@ skipping 10 matching lines @@
         return 'V8TRYCATCH_VOID(Vector<{cpp_type}>, {name}, toNativeArguments<{cpp_type}>(info, {index}))'.format(
                 cpp_type=v8_types.cpp_type(idl_type), name=name, index=index)
     # [Default=NullString]
     if (argument.is_optional and idl_type == 'DOMString' and
         extended_attributes.get('Default') == 'NullString'):
         v8_value = 'argumentOrNull(info, %s)' % index
     else:
         v8_value = 'info[%s]' % index
     return v8_types.v8_value_to_local_cpp_value(
         idl_type, argument.extended_attributes, v8_value, name, index=index)