static void resize (lua_State *L, Table *t, int nasize, int nhsize) {
  

  int i;
  

  int oldasize = t->sizearray;
  

  int oldhsize = t->lsizenode;
  

  Node *nold = t->node;  /* save old hash ... */
  

  if (nasize > oldasize)  /* array part must grow? */
  

  setarrayvector(L, t, nasize);
  

  /* create new hash part with appropriate size */
  

  setnodevector(L, t, nhsize);
  

  if (nasize < oldasize) {  /* array part must shrink? */
  

  t->sizearray = nasize;
  

  /* re-insert elements from vanishing slice */
  

  for (i=nasize; i<oldasize; i++) {
  

  if (!ttisnil(&t->array[i]))
  

  setobjt2t(L, luaH_setnum(L, t, i+1), &t->array[i]);
  

  }
  

  /* shrink array */
  

  luaM_reallocvector(L, t->array, oldasize, nasize, TValue);
  

  }
  

  /* re-insert elements from hash part */
  

  for (i = twoto(oldhsize) - 1; i >= 0; i--) { //这里重新对nodehash表进行赋值
  

  Node *old = nold+i;
  

  if (!ttisnil(gval(old)))
  

  setobjt2t(L, luaH_set(L, t, key2tval(old)), gval(old));
  

  }
  

  if (nold != dummynode)
  

  luaM_freearray(L, nold, twoto(oldhsize), Node);  /* free old array */
  

  }