diff options
Diffstat (limited to 'lua/linit.c')
| -rw-r--r-- | lua/linit.c | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/lua/linit.c b/lua/linit.c index c1f90df..8d3aa65 100644 --- a/lua/linit.c +++ b/lua/linit.c @@ -1,10 +1,18 @@ /* -** $Id: linit.c,v 1.14.1.1 2007/12/27 13:02:25 roberto Exp $ -** Initialization of libraries for lua.c +** $Id: linit.c,v 1.32 2011/04/08 19:17:36 roberto Exp $ +** Initialization of libraries for lua.c and other clients ** See Copyright Notice in lua.h */ +/* +** If you embed Lua in your program and need to open the standard +** libraries, call luaL_openlibs in your program. If you need a +** different set of libraries, copy this file to your project and edit +** it to suit your needs. +*/ + + #define linit_c #define LUA_LIB @@ -14,25 +22,46 @@ #include "lauxlib.h" -static const luaL_Reg lualibs[] = { - {"", luaopen_base}, +/* +** these libs are loaded by lua.c and are readily available to any Lua +** program +*/ +static const luaL_Reg loadedlibs[] = { + {"_G", luaopen_base}, {LUA_LOADLIBNAME, luaopen_package}, + {LUA_COLIBNAME, luaopen_coroutine}, {LUA_TABLIBNAME, luaopen_table}, {LUA_IOLIBNAME, luaopen_io}, {LUA_OSLIBNAME, luaopen_os}, {LUA_STRLIBNAME, luaopen_string}, + {LUA_BITLIBNAME, luaopen_bit32}, {LUA_MATHLIBNAME, luaopen_math}, {LUA_DBLIBNAME, luaopen_debug}, {NULL, NULL} }; +/* +** these libs are preloaded and must be required before used +*/ +static const luaL_Reg preloadedlibs[] = { + {NULL, NULL} +}; + + LUALIB_API void luaL_openlibs (lua_State *L) { - const luaL_Reg *lib = lualibs; - for (; lib->func; lib++) { + const luaL_Reg *lib; + /* call open functions from 'loadedlibs' and set results to global table */ + for (lib = loadedlibs; lib->func; lib++) { + luaL_requiref(L, lib->name, lib->func, 1); + lua_pop(L, 1); /* remove lib */ + } + /* add open functions from 'preloadedlibs' into 'package.preload' table */ + luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD"); + for (lib = preloadedlibs; lib->func; lib++) { lua_pushcfunction(L, lib->func); - lua_pushstring(L, lib->name); - lua_call(L, 1, 0); + lua_setfield(L, -2, lib->name); } + lua_pop(L, 1); /* remove _PRELOAD table */ } |