luaConfig.h

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/************************************************************************
**
** Copyright (C) 2009 K2FS Sistemas e Projetos Ltd.
** All rights reserved.
**
************************************************************************/

#ifndef _LUACONFIG_H_
#define _LUACONFIG_H_

// Control exporting (when compiling the DLL) or importing symbols from 
// the shared library
#include <QtCore/QtGlobal>
#include <lua.hpp>

#ifdef LUAUTILS_LIB
#define LUAUTILS_API_EXPORT Q_DECL_EXPORT
#else
#define LUAUTILS_API_EXPORT Q_DECL_IMPORT
#endif


// Some compatibility definitions to allow compiling the library 
// with Lua 5.1 or Lua 5.3

#if LUA_VERSION_NUM == 503

#define luacompat_len(L, pos)        ((int)luaL_len((L), (pos)))
#define luacompat_register(L, tab)   luaL_setfuncs(L, tab, 0)
#define luacompat_pushglobaltable(L) lua_pushglobaltable(L)

#define luacompat_setfenv(L, pos)    lua_setupvalue(L, pos, 1)

#define luaL_checkint(L, pos)        (int)luaL_checkinteger(L, pos)
#define luaL_optint(L, pos, d)       (int)luaL_optinteger(L, pos, d)

#define luaL_typerror(L, narg, msg) luaL_argerror(L, narg, lua_pushfstring(L, "%s expected, got %s", msg, luaL_typename(L, narg)))

#elif LUA_VERSION_NUM == 502 

#define luacompat_len(L, pos)        ((int)luaL_len((L), (pos)))
#define luacompat_register(L, tab)   luaL_setfuncs(L, tab, 0)
#define luacompat_pushglobaltable(L) lua_pushglobaltable(L)

#define luacompat_setfenv(L, pos)    lua_setupvalue(L, pos, 1)

#define luaL_typerror(L, narg, msg) luaL_argerror(L, narg, lua_pushfstring(L, "%s expected, got %s", msg, luaL_typename(L, narg)))

#elif LUA_VERSION_NUM == 501 

#define luacompat_len(L, pos)        ((int)lua_objlen(L, pos))
#define luacompat_register(L, tab)   luaL_register(L, NULL, tab)
#define luacompat_pushglobaltable(L) lua_pushvalue(L, LUA_GLOBALSINDEX)
#define luacompat_setfenv(L, pos)    lua_setfenv(L, pos)

#else
#error "Unknown Lua version" 
#endif


#endif