lua/linit.c

62 lines
1.3 KiB
C

/*
** $Id: linit.c,v 1.15 2007/06/22 16:59:11 roberto Exp roberto $
** Initialization of libraries for lua.c
** See Copyright Notice in lua.h
*/
#define linit_c
#define LUA_LIB
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
/*
** these libs are preloaded in Lua and are readily available to any program
*/
static const luaL_Reg lualibs[] = {
{"_G", luaopen_base},
{LUA_LOADLIBNAME, luaopen_package},
{LUA_TABLIBNAME, luaopen_table},
{LUA_IOLIBNAME, luaopen_io},
{LUA_OSLIBNAME, luaopen_os},
{LUA_STRLIBNAME, luaopen_string},
{LUA_MATHLIBNAME, luaopen_math},
{NULL, NULL}
};
/*
** these libs must be required before used
*/
static const luaL_Reg luareqlibs[] = {
{LUA_DBLIBNAME, luaopen_debug},
{NULL, NULL}
};
LUALIB_API void luaL_openlibs (lua_State *L) {
const luaL_Reg *lib = lualibs;
for (; lib->func; lib++) {
lua_pushcfunction(L, lib->func);
lua_pushstring(L, lib->name);
lua_call(L, 1, 0);
}
lib = luareqlibs;
luaL_findtable(L, LUA_GLOBALSINDEX, "package.preload", 0);
for (; lib->func; lib++) {
lua_pushcfunction(L, lib->func);
lua_setfield(L, -2, lib->name);
}
lua_pop(L, 1); /* remove package.preload table */
#ifdef LUA_COMPAT_DEBUGLIB
lua_getglobal(L, "require");
lua_pushliteral(L, LUA_DBLIBNAME);
lua_call(L, 1, 0); /* call 'require"debug"' */
#endif
}