source: trunk/src/lua/linit.c @ 2540

Last change on this file since 2540 was 2540, checked in by sam, 10 years ago

core: import pristine lua 5.2.1 in the engine code.

File size: 1.6 KB
Line 
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*/
29static 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*/
47static const luaL_Reg preloadedlibs[] = {
48  {NULL, NULL}
49};
50
51
52LUALIB_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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