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| 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 |
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