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ba8b5c17 | 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 |