As you mention, Lua is a C library, so it's not unreasonable that
C++-specific code is left out of the Lua headers.
I've been cleanly including Lua in C++ headers by wrapping the include
directives as follows:
extern "C" {
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
} // extern "C"
I guess if you wanted to be even cleaner you could put these contents
into
a "lua.hpp" file and include that in your project.
Simon Brown
Sony Computer Entertainment Europe
http://www.scee.com
lua-bounces@bazar2.conectiva.com.br wrote on 27/09/2004 16:41:04:
I love the language, but whenever I install Lua on a
machine I need to make an alteration to the header file.
The following section allows C programs to use Lua
functions if the Lua libraries are compiled in C.
/* mark for all API functions */
#ifndef LUA_API
#define LUA_API extern
#endif
It works for C++ only if the libraries are compiled in C++.
To get both C and C++ programs working with the C library,
I change that section of the lua.h header to the following:
/* mark for all API functions */
#ifndef LUA_API
#ifdef __cplusplus
#define LUA_API extern "C"
#else
#define LUA_API extern
#endif
#endif
Now it works beautifully and transparently, but isn't quite
standard. I wonder... could this possibly be made the
standard for lua.h in future releases of lua?
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