Function callclosemethod

3rd/lua-5.4.3/src/lfunc.c:108–119

** Call closing method for object 'obj' with error message 'err'. The ** boolean 'yy' controls whether the call is yieldable. ** (This function assumes EXTRA_STACK.) */

** (This function assumes EXTRA_STACK.)
*/
static void callclosemethod (lua_State *L, TValue *obj, TValue *err, int yy) {
  StkId top = L->top;
  const TValue *tm = luaT_gettmbyobj(L, obj, TM_CLOSE);
  setobj2s(L, top, tm);  /* will call metamethod... */
  setobj2s(L, top + 1, obj);  /* with 'self' as the 1st argument */
  setobj2s(L, top + 2, err);  /* and error msg. as 2nd argument */
  L->top = top + 3;  /* add function and arguments */
  if (yy)
    luaD_call(L, top, 0);
  else
    luaD_callnoyield(L, top, 0);
}


/*