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- Subject: Lua, ToLua and object instances
- From: Mike Stoddart <stodge@...>
- Date: Wed, 11 Jun 2003 12:03:35 -0600
I'm using Lua 4 and ToLua to embed Lua in my C++ application.
I'm a little confused about something relating to objects and instances
of objects. I'd appreciate it if you could just point out whether my
assumptions are correct.
I use ToLua to create the bindings for my C++ class A.
I create an instance of this class in my C++ code.
That instance is now visible to C++ but not to Lua.
I then expose the instance to Lua; the instance is visible to both C++
Is the variable in Lua a reference to the C++ instance, or is it a
completely separate entity (instance)?
I delete the instance in C++. The variable still exists in Lua, but
what value does it have? I presume that the deletion doesn't
automatically get filtered to Lua. How would I deal with this?
I create an instance of an object in Lua. The instance is only visible
to Lua and not C++.
I delete the instance in Lua, and the C++ code is none the wiser that a
new instance ever existed.
Thanks, appreciate it.