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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 | |