mirror of
https://github.com/lua/lua
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76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/*
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** $Id: linit.c,v 1.22 2009/12/17 12:26:09 roberto Exp roberto $
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** Initialization of libraries for lua.c and other clients
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** See Copyright Notice in lua.h
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*/
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/*
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** If you embed Lua in your program and need to open the standard
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** libraries, call luaL_openlibs in your program. If you need a
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** different set of libraries, copy this file to your project and edit
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** it to suit your needs.
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*/
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#define linit_c
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#define LUA_LIB
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#include "lua.h"
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#include "lualib.h"
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#include "lauxlib.h"
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/*
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** these libs are loaded by lua.c and are readily available to any Lua
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** program
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*/
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static const luaL_Reg loadedlibs[] = {
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{"_G", luaopen_base},
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{LUA_LOADLIBNAME, luaopen_package},
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{LUA_TABLIBNAME, luaopen_table},
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{LUA_IOLIBNAME, luaopen_io},
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{LUA_OSLIBNAME, luaopen_os},
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{LUA_STRLIBNAME, luaopen_string},
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{LUA_BITLIBNAME, luaopen_bit},
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{LUA_MATHLIBNAME, luaopen_math},
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{NULL, NULL}
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};
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/*
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** these libs are preloaded and must be required before used
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*/
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static const luaL_Reg preloadedlibs[] = {
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{LUA_DBLIBNAME, luaopen_debug},
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{NULL, NULL}
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};
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LUALIB_API void luaL_openlibs (lua_State *L) {
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const luaL_Reg *lib;
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/* call open functions from 'loadedlibs' */
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for (lib = loadedlibs; lib->func; lib++) {
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lua_pushcfunction(L, lib->func);
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lua_pushstring(L, lib->name);
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lua_call(L, 1, 0);
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}
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/* add open functions from 'preloadedlibs' into 'package.preload' table */
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lua_pushglobaltable(L);
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luaL_findtable(L, 0, "package.preload", 0);
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for (lib = preloadedlibs; lib->func; lib++) {
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lua_pushcfunction(L, lib->func);
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lua_setfield(L, -2, lib->name);
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}
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lua_pop(L, 1); /* remove package.preload table */
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#if defined(LUA_COMPAT_DEBUGLIB)
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lua_pushglobaltable(L);
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lua_getfield(L, -1, "require");
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lua_pushliteral(L, LUA_DBLIBNAME);
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lua_call(L, 1, 0); /* call 'require"debug"' */
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lua_pop(L, 1); /* remove global table */
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#endif
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}
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