Function luaD_poscall

third-party/lua-5.5.0/src/ldo.c:605–615

** Finishes a function call: calls hook if necessary, moves current ** number of results to proper place, and returns to previous call ** info. If function has to close variables, hook must be called after ** that. */

** that.
*/
void luaD_poscall (lua_State *L, CallInfo *ci, int nres) {
  l_uint32 fwanted = ci->callstatus & (CIST_TBC | CIST_NRESULTS);
  if (l_unlikely(L->hookmask) && !(fwanted & CIST_TBC))
    rethook(L, ci, nres);
  /* move results to proper place */
  moveresults(L, ci->func.p, nres, fwanted);
  /* function cannot be in any of these cases when returning */
  lua_assert(!(ci->callstatus &
        (CIST_HOOKED | CIST_YPCALL | CIST_FIN | CIST_CLSRET)));
  L->ci = ci->previous;  /* back to caller (after closing variables) */
}