| 1 | /* |
| 2 | ** $Id: linit.c,v 1.32 2011/04/08 19:17:36 roberto Exp $ |
| 3 | ** Initialization of libraries for lua.c and other clients |
| 4 | ** See Copyright Notice in lua.h |
| 5 | */ |
| 6 | |
| 7 | |
| 8 | /* |
| 9 | ** If you embed Lua in your program and need to open the standard |
| 10 | ** libraries, call luaL_openlibs in your program. If you need a |
| 11 | ** different set of libraries, copy this file to your project and edit |
| 12 | ** it to suit your needs. |
| 13 | */ |
| 14 | |
| 15 | |
| 16 | #define linit_c |
| 17 | #define LUA_LIB |
| 18 | |
| 19 | #include "lua.h" |
| 20 | |
| 21 | #include "lualib.h" |
| 22 | #include "lauxlib.h" |
| 23 | |
| 24 | |
| 25 | /* |
| 26 | ** these libs are loaded by lua.c and are readily available to any Lua |
| 27 | ** program |
| 28 | */ |
| 29 | static const luaL_Reg loadedlibs[] = { |
| 30 | {"_G", luaopen_base}, |
| 31 | {LUA_LOADLIBNAME, luaopen_package}, |
| 32 | {LUA_COLIBNAME, luaopen_coroutine}, |
| 33 | {LUA_TABLIBNAME, luaopen_table}, |
| 34 | {LUA_IOLIBNAME, luaopen_io}, |
| 35 | {LUA_OSLIBNAME, luaopen_os}, |
| 36 | {LUA_STRLIBNAME, luaopen_string}, |
| 37 | {LUA_BITLIBNAME, luaopen_bit32}, |
| 38 | {LUA_MATHLIBNAME, luaopen_math}, |
| 39 | {LUA_DBLIBNAME, luaopen_debug}, |
| 40 | {NULL, NULL} |
| 41 | }; |
| 42 | |
| 43 | |
| 44 | /* |
| 45 | ** these libs are preloaded and must be required before used |
| 46 | */ |
| 47 | static const luaL_Reg preloadedlibs[] = { |
| 48 | {NULL, NULL} |
| 49 | }; |
| 50 | |
| 51 | |
| 52 | LUALIB_API void luaL_openlibs (lua_State *L) { |
| 53 | const luaL_Reg *lib; |
| 54 | /* call open functions from 'loadedlibs' and set results to global table */ |
| 55 | for (lib = loadedlibs; lib->func; lib++) { |
| 56 | luaL_requiref(L, lib->name, lib->func, 1); |
| 57 | lua_pop(L, 1); /* remove lib */ |
| 58 | } |
| 59 | /* add open functions from 'preloadedlibs' into 'package.preload' table */ |
| 60 | luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD"); |
| 61 | for (lib = preloadedlibs; lib->func; lib++) { |
| 62 | lua_pushcfunction(L, lib->func); |
| 63 | lua_setfield(L, -2, lib->name); |
| 64 | } |
| 65 | lua_pop(L, 1); /* remove _PRELOAD table */ |
| 66 | } |
| 67 | |