Re: linking tables to C++ objects?

[Graham Wakefield <lists@...>]

This works for getting from a userdata (on the stack) to a table.

This doesn't help in getting from a C++ pointer to the table, since I  
can't get a userdata on the stack from a C++ pointer; or can I?

On Feb 26, 2007, at 6:29 AM, David Burgess wrote:

> Answering one of your questions:
>
> Use LUA_ENVIRONINDEX rather than the LUA_REGISTRYINDEX,
> see liolib.c for an example of its usage.
>
> And I think this recent quote from Rici Lake applies:
>
> > The simplest way is to keep a weak-valued table whose keys are
> > lightuserdata (the pointer to the c structure) and whose values  
> > are the
> > equivalent userdata object (containing the boxed pointer).
>
> db