Function luaF_close

third-party/lua-5.5.0/src/lfunc.c:230–240

** Close all upvalues and to-be-closed variables up to the given stack ** level. Return restored 'level'. */

** level. Return restored 'level'.
*/
StkId luaF_close (lua_State *L, StkId level, TStatus status, int yy) {
  ptrdiff_t levelrel = savestack(L, level);
  luaF_closeupval(L, level);  /* first, close the upvalues */
  while (L->tbclist.p >= level) {  /* traverse tbc's down to that level */
    StkId tbc = L->tbclist.p;  /* get variable index */
    poptbclist(L);  /* remove it from list */
    prepcallclosemth(L, tbc, status, yy);  /* close variable */
    level = restorestack(L, levelrel);
  }
  return level;
}


Proto *luaF_newproto (lua_State *L) {