[Qt-interest] QtScript object deletion and popContext

[Dave Ceddia]

I've got a program that's running scripts inside a separate context. The
idea is that the user can load a script from disk, run it, and then load
another and run it, and they'll have their own contexts. Something like:

engine->pushContext();
engine->evaluate( scriptCode );
engine->popContext();

I've noticed that if I create objects inside scriptCode, they will still
exist once the script stops running and the old context is popped. I have a
few QObject-wrapped classes with associated script constructor functions,
and the C++ object's destructor never gets called until I close the entire
application.

Is this a bug? Or maybe I'm missing something that deallocates unused
objects? It seems like variables inside a context should be deallocated when
popContext() is called, since they wouldn't be accessible any more.

Thanks,
Dave
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