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From Lua 5.2: Add table.pack(). Needs -DLUAJIT_ENABLE_LUA52COMPAT.

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Mike Pall 2012-09-28 17:29:17 +02:00
parent e013206dd8
commit 26841296ab
1 changed files with 18 additions and 0 deletions
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18
src/lib_table.c
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@ -266,6 +266,24 @@ LJLIB_CF(table_sort)
return 0;
}
#if LJ_52
LJLIB_PUSH("n")
LJLIB_CF(table_pack)
{
TValue *array, *base = L->base;
MSize i, n = (uint32_t)(L->top - base);
GCtab *t = lj_tab_new(L, n ? n+1 : 0, 1);
/* NOBARRIER: The table is new (marked white). */
setintV(lj_tab_setstr(L, t, strV(lj_lib_upvalue(L, 1))), (int32_t)n);
for (array = tvref(t->array) + 1, i = 0; i < n; i++)
copyTV(L, &array[i], &base[i]);
settabV(L, base, t);
L->top = base+1;
lj_gc_check(L);
return 1;
}
#endif
/* ------------------------------------------------------------------------ */
#include "lj_libdef.h"