If you want the value to be an instance of a template, you should just Set the value to the template itself rather than the result of instantiating the template. (So drop GetFunction())
Regards, Toon On Mon, Jun 6, 2016, 02:13 Mark Logan <m...@artillery.com> wrote: > This is a very similar (perhaps identical) question to: > https://groups.google.com/forum/#!searchin/v8-users/SetAccessorProperty/v8-users/_u6dmOLAEnY/p3ErLIpoAAAJ, > but unfortunately I couldn't learn enough from that thread. (Also: The v8 > embedder's guide is out of date, and I read all the uses of > Template::SetAccessorProperty in the v8 tests but found no help there.) > > One used to be able to do the following: > > Local<FunctionTemplate> ctor = FunctionTemplate::New(...); // make a > constructor > auto prototype = ctor->PrototypeTemplate(); > prototype->Set(String::NewFromUtf8("functionName"), > FunctionTemplate::New(...)->GetFunction()); > > Now that Set is banned from accepting non-primitive values, we're directed > to use SetAccessorProperty for this sort of thing. My reading of the thread > that I linked above suggests that I should write the following: > > Local<FunctionTemplate> ctor = FunctionTemplate::New(...); // make a > constructor > auto prototype = ctor->PrototypeTemplate(); > prototype->SetAccessorProperty(String::NewFromUtf8("functionName"), > FunctionTemplate::New(...)); > > However, according to my reading of the API, this shouldn't work, because > we'd need to pass in a FunctionTemplate for a getter function that returns > the function I actually want to install. And indeed, this code doesn't seem > to work - the handler I provide for the FunctionTemplate is called with 0 > arguments, just as if a getter were expected here. > > Creating a FunctionTemplate for a getter that returns a function is, as > far as I can tell, impossible to do easily and efficiently in the v8 API > (how do you create the function in advance and make it available to the > getter? A lambda won't work.) > > What's the right way to do this? > > Thanks, > Mark > > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
