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'unpack' moved to table library (and therefore "renamed" to

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'table.unpack'.
This commit is contained in:
Roberto Ierusalimschy 2009-12-28 14:30:31 -02:00
parent cc1cbd19a0
commit 0dc09cb42e
3 changed files with 33 additions and 21 deletions
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19
lbaselib.c
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@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.233 2009/12/17 16:20:01 roberto Exp roberto $
** $Id: lbaselib.c,v 1.234 2009/12/22 15:32:50 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@ -412,22 +412,6 @@ static int luaB_assert (lua_State *L) {
}
static int luaB_unpack (lua_State *L) {
int i, e, n;
luaL_checktype(L, 1, LUA_TTABLE);
i = luaL_optint(L, 2, 1);
e = luaL_opt(L, luaL_checkint, 3, (int)lua_rawlen(L, 1));
if (i > e) return 0; /* empty range */
n = e - i + 1; /* number of elements */
if (n <= 0 || !lua_checkstack(L, n)) /* n <= 0 means arith. overflow */
return luaL_error(L, "too many results to unpack");
lua_rawgeti(L, 1, i); /* push arg[i] (avoiding overflow problems) */
while (i++ < e) /* push arg[i + 1...e] */
lua_rawgeti(L, 1, i);
return n;
}
static int luaB_select (lua_State *L) {
int n = lua_gettop(L);
if (lua_type(L, 1) == LUA_TSTRING && *lua_tostring(L, 1) == '#') {
@ -542,7 +526,6 @@ static const luaL_Reg base_funcs[] = {
{"tonumber", luaB_tonumber},
{"tostring", luaB_tostring},
{"type", luaB_type},
{"unpack", luaB_unpack},
{"xpcall", luaB_xpcall},
{NULL, NULL}
};