[v8-users] Why this doesn't work?

[vlad]

Hi
A little artificial example but illustrates a problem I'm having:

static v8::Handle<v8::Value> func(const v8::Arguments& args) {
    if (args.IsConstructCall())
        return v8::Undefined();

    v8::Local<v8::Object> obj = args[0]->ToObject();
    int* pThis = static_cast<int*>(v8::Local<v8::External>::Cast(obj-
>GetInternalField(0))->Value()); <-- CRASH
    return v8::Undefined();
}

        int a = 5;
        v8::Handle<v8::ObjectTemplate> pt = v8::ObjectTemplate::New();
        pt->SetCallAsFunctionHandler(func);
        pt->SetInternalFieldCount(1);
        v8::Handle<v8::Object> obj = pt->NewInstance();
        obj->SetInternalField(0, v8::External::Wrap(&a));
        g->Set(v8::String::New("myfunc"), obj);
        V8RUN("myfunc(myfunc);");

I'm expecting to get in args[0] myfunc v8 object, but it is not the
case....

Thanks
Vlad

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