Re: [luabind] Assert thrown calling basic C++ function

[Daniel W. <da...@bo...>]

On 7/29/09 1:11 AM, Brian Hughes wrote:
> Hello everyone,
> 
> I’m a new user to both Lua and LuaBind, so I’m hoping I’m just making a
> simple mistake in my program! I’m implanting Lua/LuaBind into an
> existing codebase.
>  
> 
> I’m starting by doing a very basic test of calling a global C++ function
> from within a lua script. Nothing fancy, however it is throwing an
> assert trying to call the function.
>  
> 
> I do all of the setup (open lua state, open lua libs, open luabind),
> then define my function as follows:
> 
>       luabind::module(gScriptManager->GetState())
>       [
>             luabind::def("sayhello", &sayhello)
>       ];
> 
>  
> 
> Where sayhello is quite basic:
> 
> 
> void sayhello(void)
> {
>       return;
> }
> 
> However, when I try to run a script that only has: sayhello()  in it,
> luaL_dofile returns a value of 1 (some error, which is supposedly a
> YIELD error?), and when I use Decoda to debug Lua, it is throwing an
> assert when it tries to call the function.

Where does it assert?

> I’m using Lua 5.1.4 with LuaBind 0.8.1 on MS Visual Studio 2005.

How are you building luabind? It can obviously handle this basic usage,
so it doesn't seem very likely it's a bug in the library. Can you supply
the complete failing code (C++ and Lua) please?

-- 
Daniel Wallin
BoostPro Computing
http://www.boostpro.com