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- Subject: Re: Conversion Lua function to C function
- From: Patrick Donnelly <batrick@...>
- Date: Sat, 17 Oct 2009 11:39:21 -0400
On Sat, Oct 17, 2009 at 4:47 AM, Jiří Prymus <email@example.com> wrote:
> I would like to know if there is any chance to convert lua function to
> c function. I program a small opencv wrapper and there is one wrapping
> function where I need pointer to function. And that's a problem
> because I can get only pointer to Lua function and when I convert it
> to C function then it does nothing. I know that lua functions are
> stored in tables and that's probably why it doesn't work.
> In fact my problem is function gtk_signal_connect(...) where slot
> function is my lua function.
If you are manually calling the C function using its pointer, your
design is wrong. Learn how to use upvalues and hook functions.
"Let all men know thee, but no man know thee thoroughly: Men freely
ford that see the shallows."
- Benjamin Franklin