Function luaD_poscall

src/Chain/libraries/glua/ldo.cpp:484–499

** Finishes a function call: calls hook if necessary, removes CallInfo, ** moves current number of results to proper place; returns 0 iff call ** wanted multiple (variable number of) results. */

** wanted multiple (variable number of) results.
*/
int luaD_poscall(lua_State *L, CallInfo *ci, StkId firstResult, int nres) {
    StkId res;
    int wanted = ci->nresults;
    if (L->hookmask & (LUA_MASKRET | LUA_MASKLINE)) {
        if (L->hookmask & LUA_MASKRET) {
            ptrdiff_t fr = savestack(L, firstResult);  /* hook may change stack */
            luaD_hook(L, LUA_HOOKRET, -1);
            firstResult = restorestack(L, fr);
        }
        L->oldpc = ci->previous->u.l.savedpc;  /* 'oldpc' for caller function */
    }
    res = ci->func;  /* res == final position of 1st result */
    L->ci = ci->previous;  /* back to caller */
    /* move results to proper place */
    return moveresults(L, firstResult, res, nres, wanted);
}


/*