1323 * Set the __proto__ of an object from an object literal.
1324 * See ES6 draft spec: B.3.1 __proto__ Property Names in
1325 * Object Initializers. Step 6 handling of "__proto__".
1326 *
1327 * @param newProto Prototype to set.
1328 */
1329 public final void setProtoFromLiteral(final Object newProto) {
1330 if (newProto == null || newProto instanceof ScriptObject) {
1331 setPrototypeOf(newProto);
1332 } else {
1333 // Some non-object, non-null. Then, we need to set
1334 // Object.prototype as the new __proto__
1335 //
1336 // var obj = { __proto__ : 34 };
1337 // print(obj.__proto__ === Object.prototype); // => true
1338 setPrototypeOf(Global.objectPrototype());
1339 }
1340 }
1341
1342 /**
1343 * return an array of own property keys associated with the object.
1344 *
1345 * @param all True if to include non-enumerable keys.
1346 * @return Array of keys.
1347 */
1348 public final String[] getOwnKeys(final boolean all) {
1349 return getOwnKeys(all, null);
1350 }
1351
1352 /**
1353 * return an array of own property keys associated with the object.
1354 *
1355 * @param all True if to include non-enumerable keys.
1356 * @param nonEnumerable set of non-enumerable properties seen already.Used
1357 to filter out shadowed, but enumerable properties from proto children.
1358 * @return Array of keys.
1359 */
1360 protected String[] getOwnKeys(final boolean all, final Set<String> nonEnumerable) {
1361 final List<Object> keys = new ArrayList<>();
1362 final PropertyMap selfMap = this.getMap();
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1323 * Set the __proto__ of an object from an object literal.
1324 * See ES6 draft spec: B.3.1 __proto__ Property Names in
1325 * Object Initializers. Step 6 handling of "__proto__".
1326 *
1327 * @param newProto Prototype to set.
1328 */
1329 public final void setProtoFromLiteral(final Object newProto) {
1330 if (newProto == null || newProto instanceof ScriptObject) {
1331 setPrototypeOf(newProto);
1332 } else {
1333 // Some non-object, non-null. Then, we need to set
1334 // Object.prototype as the new __proto__
1335 //
1336 // var obj = { __proto__ : 34 };
1337 // print(obj.__proto__ === Object.prototype); // => true
1338 setPrototypeOf(Global.objectPrototype());
1339 }
1340 }
1341
1342 /**
1343 * return an array of all property keys - all inherited, non-enumerable included.
1344 * This is meant for source code completion by interactive shells or editors.
1345 *
1346 * @return Array of keys, order of properties is undefined.
1347 */
1348 public String[] getAllKeys() {
1349 final Set<String> keys = new HashSet<>();
1350 final Set<String> nonEnumerable = new HashSet<>();
1351 for (ScriptObject self = this; self != null; self = self.getProto()) {
1352 keys.addAll(Arrays.asList(self.getOwnKeys(true, nonEnumerable)));
1353 }
1354 return keys.toArray(new String[keys.size()]);
1355 }
1356
1357 /**
1358 * return an array of own property keys associated with the object.
1359 *
1360 * @param all True if to include non-enumerable keys.
1361 * @return Array of keys.
1362 */
1363 public final String[] getOwnKeys(final boolean all) {
1364 return getOwnKeys(all, null);
1365 }
1366
1367 /**
1368 * return an array of own property keys associated with the object.
1369 *
1370 * @param all True if to include non-enumerable keys.
1371 * @param nonEnumerable set of non-enumerable properties seen already.Used
1372 to filter out shadowed, but enumerable properties from proto children.
1373 * @return Array of keys.
1374 */
1375 protected String[] getOwnKeys(final boolean all, final Set<String> nonEnumerable) {
1376 final List<Object> keys = new ArrayList<>();
1377 final PropertyMap selfMap = this.getMap();
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