Locally scoped version of persistent is almost equivalent to Local
except that Local can never be weak.
> Local<Context> lcontext = pcontext;
It should be
Local<Context> lcontext = Local<Context>::New(pcontext);
--
Vyacheslav Egorov
On Fri, Apr 6, 2012 at 3:32 AM, Marcel Laverdet <mar...@laverdet.com> wrote:
> Hey I'm wondering why there isn't a helper class for Persistent<T> which
> will Dispose() a handle at the end of scope. It seems like right now v8
> encourages lots of unfriendly cleanup code such as:
>
> void function hello() {
> Persistent<Thing> thing = Persistent<Thing>::New(...);
> ...
> thing.Dispose();
> }
>
> This kind of code is difficult to maintain in many cases, and also
> vulnerable to memory leaks when using C++ exceptions. I'd like to see a
> version of Persistent<T> that behaves similarly to std::unique_ptr<T>. v8
> already has helper classes like this with Isolate::Scope and Context::Scope.
>
> Or perhaps there's a way to get what I want with local handles? I tried
> something like this to no avail:
>
> Persistent<Context> pcontext = Context::New(NULL, global);
> Local<Context> lcontext = pcontext;
> pcontext.Dispose();
>
> Any advise would be appreciated!
>
> --
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> v8-users@googlegroups.com
> http://groups.google.com/group/v8-users
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