513 function DefineProxyProperty(obj, p, attributes, should_throw) {  argument
520     if (should_throw) {
531 function DefineObjectProperty(obj, p, desc, should_throw) {  argument
537     if (should_throw) {
566         if (should_throw) {
576           if (should_throw) {
587               if (should_throw) {
598             if (should_throw) {
609             if (should_throw) {
616             if (should_throw) {
699 function DefineArrayProperty(obj, p, desc, should_throw) {  argument
716         if (should_throw) {
734   return DefineObjectProperty(obj, p, desc, should_throw);
739 function DefineOwnProperty(obj, p, desc, should_throw) {  argument
745     return DefineProxyProperty(obj, p, attributes, should_throw);
747     return DefineArrayProperty(obj, p, desc, should_throw);
749     return DefineObjectProperty(obj, p, desc, should_throw);