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new module policy: C modules do not create globals and do not register

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themselves with 'require' (let 'require' do its work); new auxiliary
functions luaL_newlib/luaL_newlibtable/luaL_setfuncs/luaL_requiref.
Old luaL_register will be deprecated.
This commit is contained in:
Roberto Ierusalimschy
2010-07-02 08:38:13 -03:00
parent a139e2e003
commit 7192afafee
14 changed files with 104 additions and 55 deletions
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7
liolib.c
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@@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.87 2010/03/17 21:37:37 roberto Exp roberto $
** $Id: liolib.c,v 2.88 2010/03/26 20:58:11 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -615,8 +615,9 @@ LUAMOD_API int luaopen_io (lua_State *L) {
createmeta(L);
/* create (private) environment (with fields IO_INPUT, IO_OUTPUT, __close) */
newenv(L, io_fclose); /* upvalue for all io functions at index 1 */
lua_pushvalue(L, -1); /* copy to be consumed by 'openlib' */
luaL_openlib(L, LUA_IOLIBNAME, iolib, 1); /* new module at index 2 */
luaL_newlibtable(L, iolib); /* new module at index 2 */
lua_pushvalue(L, 1); /* copy of env to be consumed by 'setfuncs' */
luaL_setfuncs(L, iolib, 1);
/* create (and set) default files */
newenv(L, io_noclose); /* environment for default files at index 3 */
createstdfile(L, stdin, IO_INPUT, "stdin");