IDL compiler: [Constructor] w/o arguments

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 54 matching lines @@
     includes.update(INTERFACE_CPP_INCLUDES)
     extended_attributes = interface.extended_attributes
 
     # [CheckSecurity]
     is_check_security = 'CheckSecurity' in extended_attributes
     if is_check_security:
         includes.update(['bindings/v8/BindingSecurity.h',
                          'bindings/v8/ExceptionMessages.h',
                          'bindings/v8/ExceptionState.h'])
 
+    # [Constructor]
+    has_constructor = 'Constructor' in extended_attributes
+    if has_constructor:
+        includes.update(['bindings/v8/ExceptionMessages.h',

[haraken, 2013/12/05 05:54:16]

How about including ExceptionMessages.h always? It looks like we're including it
in most cases.

[Nils Barth (inactive), 2013/12/05 06:09:20]

We include it about 45% of the time (~300/680),
so seems reasonable; will do in followup.

+                         'bindings/v8/V8ObjectConstructor.h'])
+
     # [GenerateVisitDOMWrapper]
     generate_visit_dom_wrapper_function = extended_attributes.get('GenerateVisitDOMWrapper')
     if generate_visit_dom_wrapper_function:
         includes.update(['bindings/v8/V8GCController.h',
                          'core/dom/Element.h'])
 
     # [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)
 
     template_contents = {
         'conditional_string': conditional_string(interface),  # [Conditional]
         'cpp_class': cpp_name(interface),
         'generate_visit_dom_wrapper_function': generate_visit_dom_wrapper_function,
+        'has_constructor': has_constructor,
         'has_custom_legacy_call': 'CustomLegacyCall' in extended_attributes,  # [CustomLegacyCall]
         'has_custom_to_v8': 'CustomToV8' in extended_attributes,  # [CustomToV8]
         'has_custom_wrap': 'CustomWrap' in extended_attributes,  # [CustomWrap]
         'has_visit_dom_wrapper': has_extended_attribute(interface,
             ['CustomVisitDOMWrapper', 'GenerateVisitDOMWrapper']),
         'header_includes': INTERFACE_H_INCLUDES,
         'interface_name': interface.name,
         'is_active_dom_object': 'ActiveDOMObject' in extended_attributes,  # [ActiveDOMObject]
         'is_check_security': is_check_security,
         'is_dependent_lifetime': 'DependentLifetime' in extended_attributes,  # [DependentLifetime]
@@ skipping 158 matching lines @@
                             '%s->IsString()' % cpp_value,
                             '%s->IsObject()' % cpp_value])
     if v8_types.array_or_sequence_type(idl_type):
         return '%s->IsArray()' % cpp_value
     if v8_types.is_wrapper_type(idl_type):
         type_check = 'V8{idl_type}::hasInstance({cpp_value}, info.GetIsolate(), worldType(info.GetIsolate()))'.format(idl_type=idl_type, cpp_value=cpp_value)
         if argument['is_nullable']:
             type_check = ' || '.join(['%s->IsNull()' % cpp_value, type_check])
         return type_check
     return None