Comment #1 on issue 162 by matt.seeg: Internal field count of global
template ignored during context creation
http://code.google.com/p/v8/issues/detail?id=162
It appears that this isn't actually broken. The confusing thing seems to
be that the
object created by the passed in global template is actually the prototype
of the
global object of the context.
In code:
// define a scope
HandleScope scope_temp;
// the global object template
Handle<ObjectTemplate> template_global = ObjectTemplate::New();
template_global->SetInternalFieldCount(1);
// create the context using our template
Handle<Context> context = Context::New(0, template_global);
// this is 0
cout << "global object internal field count: " << context->Global()-
> InternalFieldCount() << endl;
// but this is 1
cout << "global object prototype internal field count: " <<
Handle<Object>::Cast(context->Global()->GetPrototype())->InternalFieldCount()
<<
endl;
The other thing that happens is that the prototype object of the global
object is
what gets passed to any interceptor or accessor functions you attach to the
object
template. So even if one does the workaround suggested by kuesters, the
object
passed to any callbacks won't have the data that you added to the global.
You have
to add the data to the prototype anyway.
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