IDL compiler: [SetReference]

Source/bindings/scripts/unstable/v8_interface.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 56 matching lines @@
     if parent_interface:
         header_includes.update(v8_types.includes_for_type(parent_interface))
     extended_attributes = interface.extended_attributes
 
     # [CheckSecurity]
     is_check_security = 'CheckSecurity' in extended_attributes
     if is_check_security:
         includes.add('bindings/v8/BindingSecurity.h')
 
     # [GenerateVisitDOMWrapper]
-    generate_visit_dom_wrapper_function = extended_attributes.get('GenerateVisitDOMWrapper')
-    if generate_visit_dom_wrapper_function:
+    check_reachable_method = extended_attributes.get('GenerateVisitDOMWrapper')
+    if check_reachable_method:
         includes.update(['bindings/v8/V8GCController.h',
                          'core/dom/Element.h'])
 
     # [MeasureAs]
     is_measure_as = 'MeasureAs' in extended_attributes
     if is_measure_as:
         includes.add('core/frame/UseCounter.h')
 
+    # [SetReference]
+    set_reference_list = [{
+        'name': argument.name,
+        'idl_type': argument.idl_type,
+        'v8_type': v8_types.v8_type(argument.idl_type),
+    } for argument in extended_attributes.get('SetReference', [])]
+    for set_reference in set_reference_list:
+        v8_types.add_includes_for_type(set_reference['idl_type'])
+
     # [SpecialWrapFor]
     if 'SpecialWrapFor' in extended_attributes:
         special_wrap_for = extended_attributes['SpecialWrapFor'].split('|')
     else:
         special_wrap_for = []
     for special_wrap_interface in special_wrap_for:
         v8_types.add_includes_for_type(special_wrap_interface)
 
     # Constructors
     constructors = [generate_constructor(interface, constructor)
@@ skipping 28 matching lines @@
         named_constructor = {'name': extended_attributes['NamedConstructor']}
     else:
         named_constructor = None
 
     if (constructors or custom_constructors or has_event_constructor or
         named_constructor):
         includes.add('bindings/v8/V8ObjectConstructor.h')
 
     template_contents = {
         'any_type_attributes': any_type_attributes,
+        'check_reachable_method': check_reachable_method,
         'conditional_string': conditional_string(interface),  # [Conditional]
         'constructors': constructors,
         'cpp_class': cpp_name(interface),
-        'generate_visit_dom_wrapper_function': generate_visit_dom_wrapper_function,
         'has_custom_constructor': bool(custom_constructors),
         'has_custom_legacy_call_as_function': has_extended_attribute_value(interface, 'Custom', 'LegacyCallAsFunction'),  # [Custom=LegacyCallAsFunction]
         'has_custom_to_v8': has_extended_attribute_value(interface, 'Custom', 'ToV8'),  # [Custom=ToV8]
         'has_custom_wrap': has_extended_attribute_value(interface, 'Custom', 'Wrap'),  # [Custom=Wrap]
         'has_event_constructor': has_event_constructor,
         'has_visit_dom_wrapper': (
             # [Custom=Wrap], [GenerateVisitDOMWrapper]
             has_extended_attribute_value(interface, 'Custom', 'VisitDOMWrapper') or
-            'GenerateVisitDOMWrapper' in extended_attributes),
+            check_reachable_method or set_reference_list),
         'header_includes': header_includes,
         'interface_length':
             interface_length(interface, constructors + custom_constructors),
         'interface_name': interface.name,
         'is_active_dom_object': 'ActiveDOMObject' in extended_attributes,  # [ActiveDOMObject]
         'is_check_security': is_check_security,
         'is_constructor_call_with_document': has_extended_attribute_value(
             interface, 'ConstructorCallWith', 'Document'),  # [ConstructorCallWith=Document]
         'is_constructor_call_with_execution_context': has_extended_attribute_value(
             interface, 'ConstructorCallWith', 'ExecutionContext'),  # [ConstructorCallWith=ExeuctionContext]
         'is_constructor_raises_exception': extended_attributes.get('RaisesException') == 'Constructor',  # [RaisesException=Constructor]
         'is_dependent_lifetime': 'DependentLifetime' in extended_attributes,  # [DependentLifetime]
         'is_event_target': inherits_interface(interface, 'EventTarget'),
         'is_node': inherits_interface(interface, 'Node'),
         'measure_as': v8_utilities.measure_as(interface),  # [MeasureAs]
         'named_constructor': named_constructor,
         'parent_interface': parent_interface,
         'runtime_enabled_function': runtime_enabled_function_name(interface),  # [RuntimeEnabled]
+        'set_reference_list': set_reference_list,
         'special_wrap_for': special_wrap_for,
         'v8_class': v8_utilities.v8_class_name(interface),
     }
 
     template_contents.update({
         'constants': [generate_constant(constant) for constant in interface.constants],
         'do_not_check_constants': 'DoNotCheckConstants' in extended_attributes,
     })
 
     attributes = [v8_attributes.generate_attribute(interface, attribute)
@@ skipping 226 matching lines @@
     return min(constructor['number_of_required_arguments']
                for constructor in constructors)
 
 
 # Interface dependencies
 
 def inherits_interface(interface, ancestor):
     # FIXME: support distant ancestors (but don't parse all ancestors!)
     # Do by computing ancestor chain in compute_dependencies.py
     return ancestor in [interface.name, interface.parent]